diff --git a/CodingProject.xcodeproj/project.pbxproj b/CodingProject.xcodeproj/project.pbxproj index f0c04eb..b6bd670 100644 --- a/CodingProject.xcodeproj/project.pbxproj +++ b/CodingProject.xcodeproj/project.pbxproj @@ -9,21 +9,35 @@ /* Begin PBXBuildFile section */ 0DA58D4E29CC06D600AFFB8A /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D4D29CC06D600AFFB8A /* AppDelegate.swift */; }; 0DA58D5029CC06D600AFFB8A /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D4F29CC06D600AFFB8A /* SceneDelegate.swift */; }; - 0DA58D5229CC06D600AFFB8A /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D5129CC06D600AFFB8A /* ViewController.swift */; }; - 0DA58D5529CC06D600AFFB8A /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 0DA58D5329CC06D600AFFB8A /* Main.storyboard */; }; + 0DA58D5229CC06D600AFFB8A /* HomeViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D5129CC06D600AFFB8A /* HomeViewController.swift */; }; 0DA58D5729CC06D800AFFB8A /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 0DA58D5629CC06D800AFFB8A /* Assets.xcassets */; }; 0DA58D5A29CC06D800AFFB8A /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 0DA58D5829CC06D800AFFB8A /* LaunchScreen.storyboard */; }; + 0DA58D6329CC347B00AFFB8A /* HomeViewModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D6229CC347B00AFFB8A /* HomeViewModel.swift */; }; + 0DA58D6829CC39BE00AFFB8A /* APIKey.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D6729CC39BE00AFFB8A /* APIKey.swift */; }; + 0DA58D6A29CC39E500AFFB8A /* APIService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D6929CC39E500AFFB8A /* APIService.swift */; }; + 0DA58D6C29CC3E8B00AFFB8A /* MovieResponseModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DA58D6B29CC3E8B00AFFB8A /* MovieResponseModel.swift */; }; + 0DE0712129CD46B600D753A9 /* HomeTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DE0712029CD46B600D753A9 /* HomeTableViewCell.swift */; }; + 0DE0712429CD940000D753A9 /* MovieViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0DE0712329CD940000D753A9 /* MovieViewController.swift */; }; + 71BDE4E9E07AF1AB117B66A2 /* Pods_CodingProject.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EF798B97169E6399A3661E0E /* Pods_CodingProject.framework */; }; /* End PBXBuildFile section */ /* Begin PBXFileReference section */ 0DA58D4A29CC06D600AFFB8A /* CodingProject.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = CodingProject.app; sourceTree = BUILT_PRODUCTS_DIR; }; 0DA58D4D29CC06D600AFFB8A /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = ""; }; 0DA58D4F29CC06D600AFFB8A /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = ""; }; - 0DA58D5129CC06D600AFFB8A /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = ""; }; - 0DA58D5429CC06D600AFFB8A /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = ""; }; + 0DA58D5129CC06D600AFFB8A /* HomeViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomeViewController.swift; sourceTree = ""; }; 0DA58D5629CC06D800AFFB8A /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = ""; }; 0DA58D5929CC06D800AFFB8A /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = ""; }; 0DA58D5B29CC06D800AFFB8A /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = ""; }; + 0DA58D6229CC347B00AFFB8A /* HomeViewModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomeViewModel.swift; sourceTree = ""; }; + 0DA58D6729CC39BE00AFFB8A /* APIKey.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = APIKey.swift; sourceTree = ""; }; + 0DA58D6929CC39E500AFFB8A /* APIService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = APIService.swift; sourceTree = ""; }; + 0DA58D6B29CC3E8B00AFFB8A /* MovieResponseModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MovieResponseModel.swift; sourceTree = ""; }; + 0DE0712029CD46B600D753A9 /* HomeTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomeTableViewCell.swift; sourceTree = ""; }; + 0DE0712329CD940000D753A9 /* MovieViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MovieViewController.swift; sourceTree = ""; }; + 24780FA682D597569F73C174 /* Pods-CodingProject.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-CodingProject.debug.xcconfig"; path = "Target Support Files/Pods-CodingProject/Pods-CodingProject.debug.xcconfig"; sourceTree = ""; }; + 75393BC7754BBA9B3A91D947 /* Pods-CodingProject.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-CodingProject.release.xcconfig"; path = "Target Support Files/Pods-CodingProject/Pods-CodingProject.release.xcconfig"; sourceTree = ""; }; + EF798B97169E6399A3661E0E /* Pods_CodingProject.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_CodingProject.framework; sourceTree = BUILT_PRODUCTS_DIR; }; /* End PBXFileReference section */ /* Begin PBXFrameworksBuildPhase section */ @@ -31,6 +45,7 @@ isa = PBXFrameworksBuildPhase; buildActionMask = 2147483647; files = ( + 71BDE4E9E07AF1AB117B66A2 /* Pods_CodingProject.framework in Frameworks */, ); runOnlyForDeploymentPostprocessing = 0; }; @@ -42,6 +57,8 @@ children = ( 0DA58D4C29CC06D600AFFB8A /* CodingProject */, 0DA58D4B29CC06D600AFFB8A /* Products */, + E3FE4768B8B550EFFFE051C2 /* Pods */, + 18D908302FC11C6C1A1B1B84 /* Frameworks */, ); sourceTree = ""; }; @@ -56,17 +73,79 @@ 0DA58D4C29CC06D600AFFB8A /* CodingProject */ = { isa = PBXGroup; children = ( - 0DA58D4D29CC06D600AFFB8A /* AppDelegate.swift */, - 0DA58D4F29CC06D600AFFB8A /* SceneDelegate.swift */, - 0DA58D5129CC06D600AFFB8A /* ViewController.swift */, - 0DA58D5329CC06D600AFFB8A /* Main.storyboard */, - 0DA58D5629CC06D800AFFB8A /* Assets.xcassets */, + 0DE0712229CD93DE00D753A9 /* MovieView */, + 0DA58D6129CC344B00AFFB8A /* HomeView */, + 0DA58D6429CC396A00AFFB8A /* APIService */, + 0DA58D6529CC398000AFFB8A /* Resource */, 0DA58D5829CC06D800AFFB8A /* LaunchScreen.storyboard */, 0DA58D5B29CC06D800AFFB8A /* Info.plist */, ); path = CodingProject; sourceTree = ""; }; + 0DA58D6129CC344B00AFFB8A /* HomeView */ = { + isa = PBXGroup; + children = ( + 0DA58D5129CC06D600AFFB8A /* HomeViewController.swift */, + 0DA58D6229CC347B00AFFB8A /* HomeViewModel.swift */, + 0DE0712029CD46B600D753A9 /* HomeTableViewCell.swift */, + ); + path = HomeView; + sourceTree = ""; + }; + 0DA58D6429CC396A00AFFB8A /* APIService */ = { + isa = PBXGroup; + children = ( + 0DA58D6729CC39BE00AFFB8A /* APIKey.swift */, + 0DA58D6929CC39E500AFFB8A /* APIService.swift */, + 0DA58D6629CC39A100AFFB8A /* Models */, + ); + path = APIService; + sourceTree = ""; + }; + 0DA58D6529CC398000AFFB8A /* Resource */ = { + isa = PBXGroup; + children = ( + 0DA58D4D29CC06D600AFFB8A /* AppDelegate.swift */, + 0DA58D4F29CC06D600AFFB8A /* SceneDelegate.swift */, + 0DA58D5629CC06D800AFFB8A /* Assets.xcassets */, + ); + path = Resource; + sourceTree = ""; + }; + 0DA58D6629CC39A100AFFB8A /* Models */ = { + isa = PBXGroup; + children = ( + 0DA58D6B29CC3E8B00AFFB8A /* MovieResponseModel.swift */, + ); + path = Models; + sourceTree = ""; + }; + 0DE0712229CD93DE00D753A9 /* MovieView */ = { + isa = PBXGroup; + children = ( + 0DE0712329CD940000D753A9 /* MovieViewController.swift */, + ); + path = MovieView; + sourceTree = ""; + }; + 18D908302FC11C6C1A1B1B84 /* Frameworks */ = { + isa = PBXGroup; + children = ( + EF798B97169E6399A3661E0E /* Pods_CodingProject.framework */, + ); + name = Frameworks; + sourceTree = ""; + }; + E3FE4768B8B550EFFFE051C2 /* Pods */ = { + isa = PBXGroup; + children = ( + 24780FA682D597569F73C174 /* Pods-CodingProject.debug.xcconfig */, + 75393BC7754BBA9B3A91D947 /* Pods-CodingProject.release.xcconfig */, + ); + path = Pods; + sourceTree = ""; + }; /* End PBXGroup section */ /* Begin PBXNativeTarget section */ @@ -74,9 +153,11 @@ isa = PBXNativeTarget; buildConfigurationList = 0DA58D5E29CC06D800AFFB8A /* Build configuration list for PBXNativeTarget "CodingProject" */; buildPhases = ( + 30147021AAADE7A431C2EB03 /* [CP] Check Pods Manifest.lock */, 0DA58D4629CC06D600AFFB8A /* Sources */, 0DA58D4729CC06D600AFFB8A /* Frameworks */, 0DA58D4829CC06D600AFFB8A /* Resources */, + 95A4326359AC16A38DAABA2A /* [CP] Embed Pods Frameworks */, ); buildRules = ( ); @@ -127,34 +208,73 @@ files = ( 0DA58D5A29CC06D800AFFB8A /* LaunchScreen.storyboard in Resources */, 0DA58D5729CC06D800AFFB8A /* Assets.xcassets in Resources */, - 0DA58D5529CC06D600AFFB8A /* Main.storyboard in Resources */, ); runOnlyForDeploymentPostprocessing = 0; }; /* End PBXResourcesBuildPhase section */ +/* Begin PBXShellScriptBuildPhase section */ + 30147021AAADE7A431C2EB03 /* [CP] Check Pods Manifest.lock */ = { + isa = PBXShellScriptBuildPhase; + buildActionMask = 2147483647; + files = ( + ); + inputFileListPaths = ( + ); + inputPaths = ( + "${PODS_PODFILE_DIR_PATH}/Podfile.lock", + "${PODS_ROOT}/Manifest.lock", + ); + name = "[CP] Check Pods Manifest.lock"; + outputFileListPaths = ( + ); + outputPaths = ( + "$(DERIVED_FILE_DIR)/Pods-CodingProject-checkManifestLockResult.txt", + ); + runOnlyForDeploymentPostprocessing = 0; + shellPath = /bin/sh; + shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n # print error to STDERR\n echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n"; + showEnvVarsInLog = 0; + }; + 95A4326359AC16A38DAABA2A /* [CP] Embed Pods Frameworks */ = { + isa = PBXShellScriptBuildPhase; + buildActionMask = 2147483647; + files = ( + ); + inputFileListPaths = ( + "${PODS_ROOT}/Target Support Files/Pods-CodingProject/Pods-CodingProject-frameworks-${CONFIGURATION}-input-files.xcfilelist", + ); + name = "[CP] Embed Pods Frameworks"; + outputFileListPaths = ( + "${PODS_ROOT}/Target Support Files/Pods-CodingProject/Pods-CodingProject-frameworks-${CONFIGURATION}-output-files.xcfilelist", + ); + runOnlyForDeploymentPostprocessing = 0; + shellPath = /bin/sh; + shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-CodingProject/Pods-CodingProject-frameworks.sh\"\n"; + showEnvVarsInLog = 0; + }; +/* End PBXShellScriptBuildPhase section */ + /* Begin PBXSourcesBuildPhase section */ 0DA58D4629CC06D600AFFB8A /* Sources */ = { isa = PBXSourcesBuildPhase; buildActionMask = 2147483647; files = ( - 0DA58D5229CC06D600AFFB8A /* ViewController.swift in Sources */, + 0DA58D5229CC06D600AFFB8A /* HomeViewController.swift in Sources */, + 0DA58D6C29CC3E8B00AFFB8A /* MovieResponseModel.swift in Sources */, 0DA58D4E29CC06D600AFFB8A /* AppDelegate.swift in Sources */, 0DA58D5029CC06D600AFFB8A /* SceneDelegate.swift in Sources */, + 0DA58D6329CC347B00AFFB8A /* HomeViewModel.swift in Sources */, + 0DE0712429CD940000D753A9 /* MovieViewController.swift in Sources */, + 0DA58D6A29CC39E500AFFB8A /* APIService.swift in Sources */, + 0DE0712129CD46B600D753A9 /* HomeTableViewCell.swift in Sources */, + 0DA58D6829CC39BE00AFFB8A /* APIKey.swift in Sources */, ); runOnlyForDeploymentPostprocessing = 0; }; /* End PBXSourcesBuildPhase section */ /* Begin PBXVariantGroup section */ - 0DA58D5329CC06D600AFFB8A /* Main.storyboard */ = { - isa = PBXVariantGroup; - children = ( - 0DA58D5429CC06D600AFFB8A /* Base */, - ); - name = Main.storyboard; - sourceTree = ""; - }; 0DA58D5829CC06D800AFFB8A /* LaunchScreen.storyboard */ = { isa = PBXVariantGroup; children = ( @@ -282,6 +402,7 @@ }; 0DA58D5F29CC06D800AFFB8A /* Debug */ = { isa = XCBuildConfiguration; + baseConfigurationReference = 24780FA682D597569F73C174 /* Pods-CodingProject.debug.xcconfig */; buildSettings = { ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor; @@ -292,7 +413,6 @@ INFOPLIST_FILE = CodingProject/Info.plist; INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES; INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen; - INFOPLIST_KEY_UIMainStoryboardFile = Main; INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight"; INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight"; LD_RUNPATH_SEARCH_PATHS = ( @@ -310,6 +430,7 @@ }; 0DA58D6029CC06D800AFFB8A /* Release */ = { isa = XCBuildConfiguration; + baseConfigurationReference = 75393BC7754BBA9B3A91D947 /* Pods-CodingProject.release.xcconfig */; buildSettings = { ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor; @@ -320,7 +441,6 @@ INFOPLIST_FILE = CodingProject/Info.plist; INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES; INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen; - INFOPLIST_KEY_UIMainStoryboardFile = Main; INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight"; INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight"; LD_RUNPATH_SEARCH_PATHS = ( diff --git a/CodingProject.xcodeproj/xcuserdata/tungtruong.xcuserdatad/xcschemes/xcschememanagement.plist b/CodingProject.xcodeproj/xcuserdata/tungtruong.xcuserdatad/xcschemes/xcschememanagement.plist index c9907d4..6aa9999 100644 --- a/CodingProject.xcodeproj/xcuserdata/tungtruong.xcuserdatad/xcschemes/xcschememanagement.plist +++ b/CodingProject.xcodeproj/xcuserdata/tungtruong.xcuserdatad/xcschemes/xcschememanagement.plist @@ -7,7 +7,7 @@ CodingProject.xcscheme_^#shared#^_ orderHint - 0 + 3 diff --git a/CodingProject.xcworkspace/contents.xcworkspacedata b/CodingProject.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..91d7df2 --- /dev/null +++ b/CodingProject.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,10 @@ + + + + + + + diff --git a/CodingProject.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/CodingProject.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/CodingProject.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/CodingProject/APIService/APIKey.swift b/CodingProject/APIService/APIKey.swift new file mode 100644 index 0000000..ace819b --- /dev/null +++ b/CodingProject/APIService/APIKey.swift @@ -0,0 +1,10 @@ +// +// APIKey.swift +// CodingProject +// +// Created by Tung Truong on 23/03/2023. +// + +import Foundation + +let APIKey = "d69534d3" diff --git a/CodingProject/APIService/APIService.swift b/CodingProject/APIService/APIService.swift new file mode 100644 index 0000000..a1561c7 --- /dev/null +++ b/CodingProject/APIService/APIService.swift @@ -0,0 +1,98 @@ +// +// APIService.swift +// CodingProject +// +// Created by Tung Truong on 23/03/2023. +// + +import Foundation + +public enum NetworkError: Error, LocalizedError { + + case missingRequiredFields(String) + + case invalidParameters(operation: String, parameters: [Any]) + + case badRequest + + case unauthorized + + case paymentRequired + + case forbidden + + case notFound + + case requestEntityTooLarge + + case unprocessableEntity + + case http(httpResponse: HTTPURLResponse, data: Data) + + case invalidResponse(Data) + + case deleteOperationFailed(String) + + case network(URLError) + + case unknown(Error?) + +} + +protocol APIServiceProtocol { + func fetchApi(url: String) async throws -> [Movie] + func getImage(imageString: String) async throws -> Data +} + +class APIService { + static func urlString(keyword: String) -> String { + return "https://www.omdbapi.com/?s=\(keyword)&apikey=\(APIKey)" + } +} + +extension APIService: APIServiceProtocol { + func fetchApi(url: String) async throws -> [Movie] { + let urlString = URL(string: url) + let request = URLRequest(url: urlString!) + let (data, response) = try await URLSession.shared.data(for: request) + let fetchedData = try JSONDecoder().decode(MovieResponseModel.self, from: try mapResponse(response: (data,response))) + + return fetchedData.search ?? [] + } + + func getImage(imageString: String) async throws -> Data { + let imagePath = URL(string: imageString) + let request = URLRequest(url: imagePath!) + let (data, _) = try await URLSession.shared.data(for: request) + + return data + } + + + private func mapResponse(response: (data: Data, response: URLResponse)) throws -> Data { + guard let httpResponse = response.response as? HTTPURLResponse else { + return response.data + } + + switch httpResponse.statusCode { + case 200..<300: + return response.data + case 400: + throw NetworkError.badRequest + case 401: + throw NetworkError.unauthorized + case 402: + throw NetworkError.paymentRequired + case 403: + throw NetworkError.forbidden + case 404: + throw NetworkError.notFound + case 413: + throw NetworkError.requestEntityTooLarge + case 422: + throw NetworkError.unprocessableEntity + default: + throw NetworkError.http(httpResponse: httpResponse, data: response.data) + } + } +} diff --git a/CodingProject/APIService/Models/MovieResponseModel.swift b/CodingProject/APIService/Models/MovieResponseModel.swift new file mode 100644 index 0000000..5c2d799 --- /dev/null +++ b/CodingProject/APIService/Models/MovieResponseModel.swift @@ -0,0 +1,34 @@ +// +// MovieResponseModel.swift +// CodingProject +// +// Created by Tung Truong on 23/03/2023. +// + +import Foundation + +struct MovieResponseModel: Codable { + let search: [Movie]? + let response: String + + enum CodingKeys: String, CodingKey { + case search = "Search" + case response = "Response" + } +} + +struct Movie: Codable { + let title: String + let year: String + let imdbID: String + let type: String + let poster: String + + enum CodingKeys: String, CodingKey { + case title = "Title" + case year = "Year" + case imdbID + case type = "Type" + case poster = "Poster" + } +} diff --git a/CodingProject/Base.lproj/Main.storyboard b/CodingProject/Base.lproj/Main.storyboard deleted file mode 100644 index 25a7638..0000000 --- a/CodingProject/Base.lproj/Main.storyboard +++ /dev/null @@ -1,24 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/CodingProject/HomeView/HomeTableViewCell.swift b/CodingProject/HomeView/HomeTableViewCell.swift new file mode 100644 index 0000000..f6984b9 --- /dev/null +++ b/CodingProject/HomeView/HomeTableViewCell.swift @@ -0,0 +1,73 @@ +// +// HomeTableViewCell.swift +// CodingProject +// +// Created by Tung Truong on 24/03/2023. +// + +import UIKit +import SnapKit + +class HomeTableViewCell: UITableViewCell { + static let identifier = "HomeCollectionViewCell" + let movieImage = UIImageView() + let movieName = UILabel() + + override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) { + super.init(style: style, reuseIdentifier: reuseIdentifier) + setupView() + } + + required init?(coder aDecoder: NSCoder) { + fatalError("init(coder:) has not been implemented") + } + + override func prepareForReuse() { + super.prepareForReuse() + self.movieImage.image = nil + self.movieName.text = nil + } + + private func setupView(){ + let view = UIView() + addSubview(view) + view.snp.makeConstraints { make in + make.edges.equalToSuperview() + } + + view.addSubview(movieImage) + movieImage.snp.makeConstraints { make in + make.left.equalTo(view.snp.left).offset(10) + make.top.bottom.equalToSuperview() + make.width.equalTo(view.snp.width).dividedBy(3) + } + movieImage.contentMode = .scaleAspectFill + movieImage.clipsToBounds = true + self.movieImage.image = UIImage(named: "img_placeholder") + + view.addSubview(movieName) + movieName.snp.makeConstraints { make in + make.top.equalToSuperview().offset(10) + make.left.equalTo(movieImage.snp.right).offset(20) + make.right.equalToSuperview().offset(-10) + make.height.equalTo(35) + } + movieName.numberOfLines = 0 + movieName.font = UIFont.boldSystemFont(ofSize: 18) + } + + func config(model: Movie) { + movieName.text = model.title + guard let imageUrl = URL(string: model.poster) else { return } + + let task = URLSession.shared.dataTask(with: imageUrl) { data, response, error in + guard let data = data, error == nil else { return } + guard let image = UIImage(data: data) else { return } + DispatchQueue.main.async() { [weak self] in + guard let self = self else { return } + self.movieImage.image = image + } + } + task.resume() + } +} diff --git a/CodingProject/HomeView/HomeViewController.swift b/CodingProject/HomeView/HomeViewController.swift new file mode 100644 index 0000000..fc8a6d9 --- /dev/null +++ b/CodingProject/HomeView/HomeViewController.swift @@ -0,0 +1,161 @@ +// +// ViewController.swift +// CodingProject +// +// Created by Tung Truong on 23/03/2023. +// + +import UIKit +import SnapKit + +class HomeViewController: UIViewController { + + private let viewModel = HomeViewModel() + + lazy var indicatorView: UIActivityIndicatorView? = nil + var image: UIImage? + lazy var searchBar: UISearchBar = { + let searchBar = UISearchBar() + + return searchBar + }() + + lazy var tableView: UITableView = { + let tableView = UITableView() + tableView.register(HomeTableViewCell.self, + forCellReuseIdentifier: HomeTableViewCell.identifier) + return tableView + }() + + lazy var label: UILabel = { + let label = UILabel() + label.text = "Sorry, we couldn’t find any movies with this keyword. Please try with another keyword." + label.numberOfLines = 0 + return label + }() + + override func viewDidLoad() { + super.viewDidLoad() + // Do any additional setup after loading the view. + tableView.delegate = self + tableView.dataSource = self + searchBar.delegate = self + setupView() + + } + + private func setupView() { + //setup Loading Indicator + Navigation + + let indicatorView = self.activityIndicator(style: .large, + center: self.view.center) + self.view.addSubview(indicatorView) + self.indicatorView = indicatorView + + self.view.backgroundColor = .white + self.navigationController?.navigationBar.prefersLargeTitles = true + self.title = "Home" + + //setup Search bar + self.view.addSubview(label) + label.snp.makeConstraints { make in + make.centerX.centerY.equalToSuperview() + make.left.equalToSuperview().offset(20) + make.right.equalToSuperview().offset(-20) + } + self.view.addSubview(searchBar) + searchBar.snp.makeConstraints { make in + make.top.left.right.equalTo(self.view.safeAreaLayoutGuide) + make.height.equalTo(40) + } + //setup TableView + self.view.addSubview(tableView) + tableView.snp.makeConstraints { make in + make.left.right.bottom.equalToSuperview() + make.top.equalTo(searchBar.snp.bottom) + } + + view.bringSubviewToFront(indicatorView) + } + + private func pushToMovieVC(image: UIImage) { + DispatchQueue.main.async { + self.indicatorView?.stopAnimating() + let vc = MovieViewController() + vc.image = image + self.navigationController?.pushViewController(vc, animated: true) + } + } +} + +extension HomeViewController: UITableViewDelegate { + func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat { + return view.frame.height / 5 + } + + func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { + indicatorView?.startAnimating() + if let model = viewModel.listMovies { + self.viewModel.fetchImage(imageString:model[indexPath.row].poster) {[weak self] imageData in + switch imageData { + case .success(let data): + guard let self = self else { return } + self.image = UIImage(data: data) + self.pushToMovieVC(image: self.image ?? UIImage(named: "img_placeholder")!) + case .failure(let error): + guard let self = self else { return } + print(error) + self.pushToMovieVC(image: UIImage(named: "img_placeholder")!) + } + } + } + } +} + +extension HomeViewController: UITableViewDataSource { + func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { + return viewModel.listMovies?.count ?? 0 + } + + func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { + guard let cell = tableView.dequeueReusableCell(withIdentifier: HomeTableViewCell.identifier, for: indexPath) as? HomeTableViewCell else {return UITableViewCell()} + guard let model = viewModel.listMovies, model.count != 0 else { return UITableViewCell() } + cell.config(model: model[indexPath.row]) + return cell + } +} + +extension HomeViewController: UISearchBarDelegate { + func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) { + viewModel.fetchMovieResult(urlString: APIService.urlString(keyword: searchText)) + tableView.isHidden = false + } + func searchBarSearchButtonClicked(_ searchBar: UISearchBar){ + if viewModel.listMovies?.count == 0 { + tableView.isHidden = true + searchBar.resignFirstResponder() + } else { + searchBar.resignFirstResponder() + tableView.reloadData() + } + } +} + +extension HomeViewController { + private func activityIndicator(style: UIActivityIndicatorView.Style = .medium, + frame: CGRect? = nil, + center: CGPoint? = nil) -> UIActivityIndicatorView { + + let activityIndicatorView = UIActivityIndicatorView(style: style) + + if let frame = frame { + activityIndicatorView.frame = frame + } + + if let center = center { + activityIndicatorView.center = center + } + activityIndicatorView.color = .black + return activityIndicatorView + } +} diff --git a/CodingProject/HomeView/HomeViewModel.swift b/CodingProject/HomeView/HomeViewModel.swift new file mode 100644 index 0000000..f6426cd --- /dev/null +++ b/CodingProject/HomeView/HomeViewModel.swift @@ -0,0 +1,42 @@ +// +// HomeViewModel.swift +// CodingProject +// +// Created by Tung Truong on 23/03/2023. +// + +import Foundation +public enum DataError: Error { + case noData +} +final class HomeViewModel { + private let apiService: APIServiceProtocol + var listMovies: [Movie]? + var imageData: Data? + init(apiService: APIServiceProtocol = APIService()) { + self.apiService = apiService + } + + func fetchMovieResult(urlString: String) { + Task { + do { + listMovies = try await apiService.fetchApi(url: urlString) + } catch { + print(error) + } + } + } + + func fetchImage(imageString: String, completion: @escaping(Result) -> Void) { + + Task { + do { + imageData = try await apiService.getImage(imageString: imageString) + completion(.success(imageData!)) + } catch { + completion(.failure(.noData)) + } + + } + } +} diff --git a/CodingProject/Info.plist b/CodingProject/Info.plist index dd3c9af..0eb786d 100644 --- a/CodingProject/Info.plist +++ b/CodingProject/Info.plist @@ -15,8 +15,6 @@ Default Configuration UISceneDelegateClassName $(PRODUCT_MODULE_NAME).SceneDelegate - UISceneStoryboardFile - Main diff --git a/CodingProject/MovieView/MovieViewController.swift b/CodingProject/MovieView/MovieViewController.swift new file mode 100644 index 0000000..be4726f --- /dev/null +++ b/CodingProject/MovieView/MovieViewController.swift @@ -0,0 +1,36 @@ +// +// MovieViewController.swift +// CodingProject +// +// Created by Tung Truong on 24/03/2023. +// + +import UIKit + +class MovieViewController: UIViewController { + var image: UIImage = UIImage(named: "img_placeholder")! + lazy var movieImage: UIImageView = { + let movieImage = UIImageView() + movieImage.contentMode = .scaleAspectFill + movieImage.clipsToBounds = true + return movieImage + }() + + override func viewDidLoad() { + super.viewDidLoad() + self.view.backgroundColor = .white + + self.setupView() + + } + + private func setupView() { + self.view.addSubview(movieImage) + movieImage.snp.makeConstraints { make in + make.top.equalTo(self.view.safeAreaLayoutGuide) + make.left.right.bottom.equalToSuperview() + } + movieImage.backgroundColor = .red + movieImage.image = self.image + } +} diff --git a/CodingProject/AppDelegate.swift b/CodingProject/Resource/AppDelegate.swift similarity index 100% rename from CodingProject/AppDelegate.swift rename to CodingProject/Resource/AppDelegate.swift diff --git a/CodingProject/Assets.xcassets/AccentColor.colorset/Contents.json b/CodingProject/Resource/Assets.xcassets/AccentColor.colorset/Contents.json similarity index 100% rename from CodingProject/Assets.xcassets/AccentColor.colorset/Contents.json rename to CodingProject/Resource/Assets.xcassets/AccentColor.colorset/Contents.json diff --git a/CodingProject/Assets.xcassets/AppIcon.appiconset/Contents.json b/CodingProject/Resource/Assets.xcassets/AppIcon.appiconset/Contents.json similarity index 100% rename from CodingProject/Assets.xcassets/AppIcon.appiconset/Contents.json rename to CodingProject/Resource/Assets.xcassets/AppIcon.appiconset/Contents.json diff --git a/CodingProject/Assets.xcassets/Contents.json b/CodingProject/Resource/Assets.xcassets/Contents.json similarity index 100% rename from CodingProject/Assets.xcassets/Contents.json rename to CodingProject/Resource/Assets.xcassets/Contents.json diff --git a/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/Contents.json b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/Contents.json new file mode 100644 index 0000000..72b763c --- /dev/null +++ b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/Contents.json @@ -0,0 +1,23 @@ +{ + "images" : [ + { + "filename" : "img_placeholder.png", + "idiom" : "universal", + "scale" : "1x" + }, + { + "filename" : "img_placeholder@2x.png", + "idiom" : "universal", + "scale" : "2x" + }, + { + "filename" : "img_placeholder@3x.png", + "idiom" : "universal", + "scale" : "3x" + } + ], + "info" : { + "author" : "xcode", + "version" : 1 + } +} diff --git a/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder.png b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder.png new file mode 100644 index 0000000..5acdf46 Binary files /dev/null and b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder.png differ diff --git a/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder@2x.png b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder@2x.png new file mode 100644 index 0000000..af03443 Binary files /dev/null and b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder@2x.png differ diff --git a/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder@3x.png b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder@3x.png new file mode 100644 index 0000000..f30c779 Binary files /dev/null and b/CodingProject/Resource/Assets.xcassets/img_placeholder.imageset/img_placeholder@3x.png differ diff --git a/CodingProject/SceneDelegate.swift b/CodingProject/Resource/SceneDelegate.swift similarity index 86% rename from CodingProject/SceneDelegate.swift rename to CodingProject/Resource/SceneDelegate.swift index 765a729..75825c9 100644 --- a/CodingProject/SceneDelegate.swift +++ b/CodingProject/Resource/SceneDelegate.swift @@ -16,7 +16,12 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate { // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`. // If using a storyboard, the `window` property will automatically be initialized and attached to the scene. // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead). - guard let _ = (scene as? UIWindowScene) else { return } + guard let windowScene = (scene as? UIWindowScene) else { return } + let vc = HomeViewController() + let navigation = UINavigationController(rootViewController: vc) + self.window = UIWindow(windowScene: windowScene) + self.window?.rootViewController = navigation + self.window?.makeKeyAndVisible() } func sceneDidDisconnect(_ scene: UIScene) { diff --git a/CodingProject/ViewController.swift b/CodingProject/ViewController.swift deleted file mode 100644 index 3b2ca76..0000000 --- a/CodingProject/ViewController.swift +++ /dev/null @@ -1,19 +0,0 @@ -// -// ViewController.swift -// CodingProject -// -// Created by Tung Truong on 23/03/2023. -// - -import UIKit - -class ViewController: UIViewController { - - override func viewDidLoad() { - super.viewDidLoad() - // Do any additional setup after loading the view. - } - - -} - diff --git a/Podfile b/Podfile new file mode 100644 index 0000000..b828ec3 --- /dev/null +++ b/Podfile @@ -0,0 +1,11 @@ +# Uncomment the next line to define a global platform for your project +# platform :ios, '9.0' + +target 'CodingProject' do + # Comment the next line if you don't want to use dynamic frameworks + use_frameworks! + + # Pods for CodingProject + pod 'SnapKit' + pod 'RxSwift' +end diff --git a/Podfile.lock b/Podfile.lock new file mode 100644 index 0000000..91959a0 --- /dev/null +++ b/Podfile.lock @@ -0,0 +1,20 @@ +PODS: + - RxSwift (6.5.0) + - SnapKit (5.6.0) + +DEPENDENCIES: + - RxSwift + - SnapKit + +SPEC REPOS: + trunk: + - RxSwift + - SnapKit + +SPEC CHECKSUMS: + RxSwift: 5710a9e6b17f3c3d6e40d6e559b9fa1e813b2ef8 + SnapKit: e01d52ebb8ddbc333eefe2132acf85c8227d9c25 + +PODFILE CHECKSUM: f68552acfa37bf692144315c3bdca84c1366e592 + +COCOAPODS: 1.12.0 diff --git a/Pods/Manifest.lock b/Pods/Manifest.lock new file mode 100644 index 0000000..91959a0 --- /dev/null +++ b/Pods/Manifest.lock @@ -0,0 +1,20 @@ +PODS: + - RxSwift (6.5.0) + - SnapKit (5.6.0) + +DEPENDENCIES: + - RxSwift + - SnapKit + +SPEC REPOS: + trunk: + - RxSwift + - SnapKit + +SPEC CHECKSUMS: + RxSwift: 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--git a/Pods/RxSwift/LICENSE.md b/Pods/RxSwift/LICENSE.md new file mode 100644 index 0000000..e32511b --- /dev/null +++ b/Pods/RxSwift/LICENSE.md @@ -0,0 +1,9 @@ +**The MIT License** +**Copyright © 2015 Krunoslav Zaher, Shai Mishali** +**All rights reserved.** + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/Pods/RxSwift/Platform/AtomicInt.swift b/Pods/RxSwift/Platform/AtomicInt.swift new file mode 100644 index 0000000..98479fd --- /dev/null +++ b/Pods/RxSwift/Platform/AtomicInt.swift @@ -0,0 +1,71 @@ +// +// AtomicInt.swift +// Platform +// +// Created by Krunoslav Zaher on 10/28/18. +// Copyright © 2018 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +final class AtomicInt: NSLock { + fileprivate var value: Int32 + public init(_ value: Int32 = 0) { + self.value = value + } +} + +@discardableResult +@inline(__always) +func add(_ this: AtomicInt, _ value: Int32) -> Int32 { + this.lock() + let oldValue = this.value + this.value += value + this.unlock() + return oldValue +} + +@discardableResult +@inline(__always) +func sub(_ this: AtomicInt, _ value: Int32) -> Int32 { + this.lock() + let oldValue = this.value + this.value -= value + this.unlock() + return oldValue +} + +@discardableResult +@inline(__always) +func fetchOr(_ this: AtomicInt, _ mask: Int32) -> Int32 { + this.lock() + let oldValue = this.value + this.value |= mask + this.unlock() + return oldValue +} + +@inline(__always) +func load(_ this: AtomicInt) -> Int32 { + this.lock() + let oldValue = this.value + this.unlock() + return oldValue +} + +@discardableResult +@inline(__always) +func increment(_ this: AtomicInt) -> Int32 { + add(this, 1) +} + +@discardableResult +@inline(__always) +func decrement(_ this: AtomicInt) -> Int32 { + sub(this, 1) +} + +@inline(__always) +func isFlagSet(_ this: AtomicInt, _ mask: Int32) -> Bool { + (load(this) & mask) != 0 +} diff --git a/Pods/RxSwift/Platform/DataStructures/Bag.swift b/Pods/RxSwift/Platform/DataStructures/Bag.swift new file mode 100644 index 0000000..5720a3b --- /dev/null +++ b/Pods/RxSwift/Platform/DataStructures/Bag.swift @@ -0,0 +1,181 @@ +// +// Bag.swift +// Platform +// +// Created by Krunoslav Zaher on 2/28/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Swift + +let arrayDictionaryMaxSize = 30 + +struct BagKey { + /** + Unique identifier for object added to `Bag`. + + It's underlying type is UInt64. If we assume there in an idealized CPU that works at 4GHz, + it would take ~150 years of continuous running time for it to overflow. + */ + fileprivate let rawValue: UInt64 +} + +/** +Data structure that represents a bag of elements typed `T`. + +Single element can be stored multiple times. + +Time and space complexity of insertion and deletion is O(n). + +It is suitable for storing small number of elements. +*/ +struct Bag : CustomDebugStringConvertible { + /// Type of identifier for inserted elements. + typealias KeyType = BagKey + + typealias Entry = (key: BagKey, value: T) + + private var _nextKey: BagKey = BagKey(rawValue: 0) + + // data + + // first fill inline variables + var _key0: BagKey? + var _value0: T? + + // then fill "array dictionary" + var _pairs = ContiguousArray() + + // last is sparse dictionary + var _dictionary: [BagKey: T]? + + var _onlyFastPath = true + + /// Creates new empty `Bag`. + init() { + } + + /** + Inserts `value` into bag. + + - parameter element: Element to insert. + - returns: Key that can be used to remove element from bag. + */ + mutating func insert(_ element: T) -> BagKey { + let key = _nextKey + + _nextKey = BagKey(rawValue: _nextKey.rawValue &+ 1) + + if _key0 == nil { + _key0 = key + _value0 = element + return key + } + + _onlyFastPath = false + + if _dictionary != nil { + _dictionary![key] = element + return key + } + + if _pairs.count < arrayDictionaryMaxSize { + _pairs.append((key: key, value: element)) + return key + } + + _dictionary = [key: element] + + return key + } + + /// - returns: Number of elements in bag. + var count: Int { + let dictionaryCount: Int = _dictionary?.count ?? 0 + return (_value0 != nil ? 1 : 0) + _pairs.count + dictionaryCount + } + + /// Removes all elements from bag and clears capacity. + mutating func removeAll() { + _key0 = nil + _value0 = nil + + _pairs.removeAll(keepingCapacity: false) + _dictionary?.removeAll(keepingCapacity: false) + } + + /** + Removes element with a specific `key` from bag. + + - parameter key: Key that identifies element to remove from bag. + - returns: Element that bag contained, or nil in case element was already removed. + */ + mutating func removeKey(_ key: BagKey) -> T? { + if _key0 == key { + _key0 = nil + let value = _value0! + _value0 = nil + return value + } + + if let existingObject = _dictionary?.removeValue(forKey: key) { + return existingObject + } + + for i in 0 ..< _pairs.count where _pairs[i].key == key { + let value = _pairs[i].value + _pairs.remove(at: i) + return value + } + + return nil + } +} + +extension Bag { + /// A textual representation of `self`, suitable for debugging. + var debugDescription : String { + "\(self.count) elements in Bag" + } +} + +extension Bag { + /// Enumerates elements inside the bag. + /// + /// - parameter action: Enumeration closure. + func forEach(_ action: (T) -> Void) { + if _onlyFastPath { + if let value0 = _value0 { + action(value0) + } + return + } + + let value0 = _value0 + let dictionary = _dictionary + + if let value0 = value0 { + action(value0) + } + + for i in 0 ..< _pairs.count { + action(_pairs[i].value) + } + + if dictionary?.count ?? 0 > 0 { + for element in dictionary!.values { + action(element) + } + } + } +} + +extension BagKey: Hashable { + func hash(into hasher: inout Hasher) { + hasher.combine(rawValue) + } +} + +func ==(lhs: BagKey, rhs: BagKey) -> Bool { + lhs.rawValue == rhs.rawValue +} diff --git a/Pods/RxSwift/Platform/DataStructures/InfiniteSequence.swift b/Pods/RxSwift/Platform/DataStructures/InfiniteSequence.swift new file mode 100644 index 0000000..75d7bea --- /dev/null +++ b/Pods/RxSwift/Platform/DataStructures/InfiniteSequence.swift @@ -0,0 +1,23 @@ +// +// InfiniteSequence.swift +// Platform +// +// Created by Krunoslav Zaher on 6/13/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Sequence that repeats `repeatedValue` infinite number of times. +struct InfiniteSequence : Sequence { + typealias Iterator = AnyIterator + + private let repeatedValue: Element + + init(repeatedValue: Element) { + self.repeatedValue = repeatedValue + } + + func makeIterator() -> Iterator { + let repeatedValue = self.repeatedValue + return AnyIterator { repeatedValue } + } +} diff --git a/Pods/RxSwift/Platform/DataStructures/PriorityQueue.swift b/Pods/RxSwift/Platform/DataStructures/PriorityQueue.swift new file mode 100644 index 0000000..9ed856b --- /dev/null +++ b/Pods/RxSwift/Platform/DataStructures/PriorityQueue.swift @@ -0,0 +1,111 @@ +// +// PriorityQueue.swift +// Platform +// +// Created by Krunoslav Zaher on 12/27/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +struct PriorityQueue { + private let hasHigherPriority: (Element, Element) -> Bool + private let isEqual: (Element, Element) -> Bool + + private var elements = [Element]() + + init(hasHigherPriority: @escaping (Element, Element) -> Bool, isEqual: @escaping (Element, Element) -> Bool) { + self.hasHigherPriority = hasHigherPriority + self.isEqual = isEqual + } + + mutating func enqueue(_ element: Element) { + elements.append(element) + bubbleToHigherPriority(elements.count - 1) + } + + func peek() -> Element? { + elements.first + } + + var isEmpty: Bool { + elements.count == 0 + } + + mutating func dequeue() -> Element? { + guard let front = peek() else { + return nil + } + + removeAt(0) + + return front + } + + mutating func remove(_ element: Element) { + for i in 0 ..< elements.count { + if self.isEqual(elements[i], element) { + removeAt(i) + return + } + } + } + + private mutating func removeAt(_ index: Int) { + let removingLast = index == elements.count - 1 + if !removingLast { + elements.swapAt(index, elements.count - 1) + } + + _ = elements.popLast() + + if !removingLast { + bubbleToHigherPriority(index) + bubbleToLowerPriority(index) + } + } + + private mutating func bubbleToHigherPriority(_ initialUnbalancedIndex: Int) { + precondition(initialUnbalancedIndex >= 0) + precondition(initialUnbalancedIndex < elements.count) + + var unbalancedIndex = initialUnbalancedIndex + + while unbalancedIndex > 0 { + let parentIndex = (unbalancedIndex - 1) / 2 + guard self.hasHigherPriority(elements[unbalancedIndex], elements[parentIndex]) else { break } + elements.swapAt(unbalancedIndex, parentIndex) + unbalancedIndex = parentIndex + } + } + + private mutating func bubbleToLowerPriority(_ initialUnbalancedIndex: Int) { + precondition(initialUnbalancedIndex >= 0) + precondition(initialUnbalancedIndex < elements.count) + + var unbalancedIndex = initialUnbalancedIndex + while true { + let leftChildIndex = unbalancedIndex * 2 + 1 + let rightChildIndex = unbalancedIndex * 2 + 2 + + var highestPriorityIndex = unbalancedIndex + + if leftChildIndex < elements.count && self.hasHigherPriority(elements[leftChildIndex], elements[highestPriorityIndex]) { + highestPriorityIndex = leftChildIndex + } + + if rightChildIndex < elements.count && self.hasHigherPriority(elements[rightChildIndex], elements[highestPriorityIndex]) { + highestPriorityIndex = rightChildIndex + } + + guard highestPriorityIndex != unbalancedIndex else { break } + elements.swapAt(highestPriorityIndex, unbalancedIndex) + + unbalancedIndex = highestPriorityIndex + } + } +} + +extension PriorityQueue : CustomDebugStringConvertible { + var debugDescription: String { + elements.debugDescription + } +} diff --git a/Pods/RxSwift/Platform/DataStructures/Queue.swift b/Pods/RxSwift/Platform/DataStructures/Queue.swift new file mode 100644 index 0000000..625d473 --- /dev/null +++ b/Pods/RxSwift/Platform/DataStructures/Queue.swift @@ -0,0 +1,148 @@ +// +// Queue.swift +// Platform +// +// Created by Krunoslav Zaher on 3/21/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/** +Data structure that represents queue. + +Complexity of `enqueue`, `dequeue` is O(1) when number of operations is +averaged over N operations. + +Complexity of `peek` is O(1). +*/ +struct Queue: Sequence { + /// Type of generator. + typealias Generator = AnyIterator + + private let resizeFactor = 2 + + private var storage: ContiguousArray + private var innerCount = 0 + private var pushNextIndex = 0 + private let initialCapacity: Int + + /** + Creates new queue. + + - parameter capacity: Capacity of newly created queue. + */ + init(capacity: Int) { + initialCapacity = capacity + + storage = ContiguousArray(repeating: nil, count: capacity) + } + + private var dequeueIndex: Int { + let index = pushNextIndex - count + return index < 0 ? index + storage.count : index + } + + /// - returns: Is queue empty. + var isEmpty: Bool { count == 0 } + + /// - returns: Number of elements inside queue. + var count: Int { innerCount } + + /// - returns: Element in front of a list of elements to `dequeue`. + func peek() -> T { + precondition(count > 0) + + return storage[dequeueIndex]! + } + + mutating private func resizeTo(_ size: Int) { + var newStorage = ContiguousArray(repeating: nil, count: size) + + let count = self.count + + let dequeueIndex = self.dequeueIndex + let spaceToEndOfQueue = storage.count - dequeueIndex + + // first batch is from dequeue index to end of array + let countElementsInFirstBatch = Swift.min(count, spaceToEndOfQueue) + // second batch is wrapped from start of array to end of queue + let numberOfElementsInSecondBatch = count - countElementsInFirstBatch + + newStorage[0 ..< countElementsInFirstBatch] = storage[dequeueIndex ..< (dequeueIndex + countElementsInFirstBatch)] + newStorage[countElementsInFirstBatch ..< (countElementsInFirstBatch + numberOfElementsInSecondBatch)] = storage[0 ..< numberOfElementsInSecondBatch] + + self.innerCount = count + pushNextIndex = count + storage = newStorage + } + + /// Enqueues `element`. + /// + /// - parameter element: Element to enqueue. + mutating func enqueue(_ element: T) { + if count == storage.count { + resizeTo(Swift.max(storage.count, 1) * resizeFactor) + } + + storage[pushNextIndex] = element + pushNextIndex += 1 + innerCount += 1 + + if pushNextIndex >= storage.count { + pushNextIndex -= storage.count + } + } + + private mutating func dequeueElementOnly() -> T { + precondition(count > 0) + + let index = dequeueIndex + + defer { + storage[index] = nil + innerCount -= 1 + } + + return storage[index]! + } + + /// Dequeues element or throws an exception in case queue is empty. + /// + /// - returns: Dequeued element. + mutating func dequeue() -> T? { + if self.count == 0 { + return nil + } + + defer { + let downsizeLimit = storage.count / (resizeFactor * resizeFactor) + if count < downsizeLimit && downsizeLimit >= initialCapacity { + resizeTo(storage.count / resizeFactor) + } + } + + return dequeueElementOnly() + } + + /// - returns: Generator of contained elements. + func makeIterator() -> AnyIterator { + var i = dequeueIndex + var innerCount = count + + return AnyIterator { + if innerCount == 0 { + return nil + } + + defer { + innerCount -= 1 + i += 1 + } + + if i >= self.storage.count { + i -= self.storage.count + } + + return self.storage[i] + } + } +} diff --git a/Pods/RxSwift/Platform/DispatchQueue+Extensions.swift b/Pods/RxSwift/Platform/DispatchQueue+Extensions.swift new file mode 100644 index 0000000..aaf24ca --- /dev/null +++ b/Pods/RxSwift/Platform/DispatchQueue+Extensions.swift @@ -0,0 +1,21 @@ +// +// DispatchQueue+Extensions.swift +// Platform +// +// Created by Krunoslav Zaher on 10/22/16. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +import Dispatch + +extension DispatchQueue { + private static var token: DispatchSpecificKey<()> = { + let key = DispatchSpecificKey<()>() + DispatchQueue.main.setSpecific(key: key, value: ()) + return key + }() + + static var isMain: Bool { + DispatchQueue.getSpecific(key: token) != nil + } +} diff --git a/Pods/RxSwift/Platform/Platform.Darwin.swift b/Pods/RxSwift/Platform/Platform.Darwin.swift new file mode 100644 index 0000000..eacc194 --- /dev/null +++ b/Pods/RxSwift/Platform/Platform.Darwin.swift @@ -0,0 +1,35 @@ +// +// Platform.Darwin.swift +// Platform +// +// Created by Krunoslav Zaher on 12/29/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +#if os(macOS) || os(iOS) || os(tvOS) || os(watchOS) + + import Darwin + import Foundation + + extension Thread { + static func setThreadLocalStorageValue(_ value: T?, forKey key: NSCopying) { + let currentThread = Thread.current + let threadDictionary = currentThread.threadDictionary + + if let newValue = value { + threadDictionary[key] = newValue + } + else { + threadDictionary[key] = nil + } + } + + static func getThreadLocalStorageValueForKey(_ key: NSCopying) -> T? { + let currentThread = Thread.current + let threadDictionary = currentThread.threadDictionary + + return threadDictionary[key] as? T + } + } + +#endif diff --git a/Pods/RxSwift/Platform/Platform.Linux.swift b/Pods/RxSwift/Platform/Platform.Linux.swift new file mode 100644 index 0000000..52a3e3a --- /dev/null +++ b/Pods/RxSwift/Platform/Platform.Linux.swift @@ -0,0 +1,32 @@ +// +// Platform.Linux.swift +// Platform +// +// Created by Krunoslav Zaher on 12/29/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +#if os(Linux) + + import Foundation + + extension Thread { + + static func setThreadLocalStorageValue(_ value: T?, forKey key: String) { + if let newValue = value { + Thread.current.threadDictionary[key] = newValue + } + else { + Thread.current.threadDictionary[key] = nil + } + } + + static func getThreadLocalStorageValueForKey(_ key: String) -> T? { + let currentThread = Thread.current + let threadDictionary = currentThread.threadDictionary + + return threadDictionary[key] as? T + } + } + +#endif diff --git a/Pods/RxSwift/Platform/RecursiveLock.swift b/Pods/RxSwift/Platform/RecursiveLock.swift new file mode 100644 index 0000000..10b9bbb --- /dev/null +++ b/Pods/RxSwift/Platform/RecursiveLock.swift @@ -0,0 +1,34 @@ +// +// RecursiveLock.swift +// Platform +// +// Created by Krunoslav Zaher on 12/18/16. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +#if TRACE_RESOURCES + class RecursiveLock: NSRecursiveLock { + override init() { + _ = Resources.incrementTotal() + super.init() + } + + override func lock() { + super.lock() + _ = Resources.incrementTotal() + } + + override func unlock() { + super.unlock() + _ = Resources.decrementTotal() + } + + deinit { + _ = Resources.decrementTotal() + } + } +#else + typealias RecursiveLock = NSRecursiveLock +#endif diff --git a/Pods/RxSwift/README.md b/Pods/RxSwift/README.md new file mode 100644 index 0000000..a95d9e0 --- /dev/null +++ b/Pods/RxSwift/README.md @@ -0,0 +1,254 @@ +

+RxSwift Logo +
+Build Status +Supported Platforms: iOS, macOS, tvOS, watchOS & Linux +
+ + + +

+ +Rx is a [generic abstraction of computation](https://youtu.be/looJcaeboBY) expressed through `Observable` interface, which lets you broadcast and subscribe to values and other events from an `Observable` stream. + +RxSwift is the Swift-specific implementation of the [Reactive Extensions](http://reactivex.io) standard. + +

RxSwift Observable Example of a price constantly changing and updating the app's UI

+ +While this version aims to stay true to the original spirit and naming conventions of Rx, this projects also aims to provide a true Swift-first API for Rx APIs. + +Cross platform documentation can be found on [ReactiveX.io](http://reactivex.io/). + +Like other Rx implementation, RxSwift's intention is to enable easy composition of asynchronous operations and streams of data in the form of `Observable` objects and a suite of methods to transform and compose these pieces of asynchronous work. + +KVO observation, async operations, UI Events and other streams of data are all unified under [abstraction of sequence](Documentation/GettingStarted.md#observables-aka-sequences). This is the reason why Rx is so simple, elegant and powerful. + +## I came here because I want to ... + +###### ... understand + +* [why use rx?](Documentation/Why.md) +* [the basics, getting started with RxSwift](Documentation/GettingStarted.md) +* [traits](Documentation/Traits.md) - what are `Single`, `Completable`, `Maybe`, `Driver`, and `ControlProperty` ... and why do they exist? +* [testing](Documentation/UnitTests.md) +* [tips and common errors](Documentation/Tips.md) +* [debugging](Documentation/GettingStarted.md#debugging) +* [the math behind Rx](Documentation/MathBehindRx.md) +* [what are hot and cold observable sequences?](Documentation/HotAndColdObservables.md) + +###### ... install + +* Integrate RxSwift/RxCocoa with my app. [Installation Guide](#installation) + +###### ... hack around + +* with the example app. [Running Example App](Documentation/ExampleApp.md) +* with operators in playgrounds. [Playgrounds](Documentation/Playgrounds.md) + +###### ... interact + +* All of this is great, but it would be nice to talk with other people using RxSwift and exchange experiences.
[Join Slack Channel](http://slack.rxswift.org) +* Report a problem using the library. [Open an Issue With Bug Template](.github/ISSUE_TEMPLATE.md) +* Request a new feature. [Open an Issue With Feature Request Template](Documentation/NewFeatureRequestTemplate.md) +* Help out [Check out contribution guide](CONTRIBUTING.md) + +###### ... compare + +* [with Combine and ReactiveSwift](Documentation/ComparisonWithOtherLibraries.md). + +###### ... understand the structure + +RxSwift is as compositional as the asynchronous work it drives. The core unit is RxSwift itself, while other dependencies can be added for UI Work, testing, and more. + +It comprises five separate components depending on each other in the following way: + +```none +┌──────────────┐ ┌──────────────┐ +│ RxCocoa ├────▶ RxRelay │ +└───────┬──────┘ └──────┬───────┘ + │ │ +┌───────▼──────────────────▼───────┐ +│ RxSwift │ +└───────▲──────────────────▲───────┘ + │ │ +┌───────┴──────┐ ┌──────┴───────┐ +│ RxTest │ │ RxBlocking │ +└──────────────┘ └──────────────┘ +``` + +* **RxSwift**: The core of RxSwift, providing the Rx standard as (mostly) defined by [ReactiveX](https://reactivex.io). It has no other dependencies. +* **RxCocoa**: Provides Cocoa-specific capabilities for general iOS/macOS/watchOS & tvOS app development, such as Shared Sequences, Traits, and much more. It depends on both `RxSwift` and `RxRelay`. +* **RxRelay**: Provides `PublishRelay`, `BehaviorRelay` and `ReplayRelay`, three [simple wrappers around Subjects](https://github.com/ReactiveX/RxSwift/blob/main/Documentation/Subjects.md#relays). It depends on `RxSwift`. +* **RxTest** and **RxBlocking**: Provides testing capabilities for Rx-based systems. It depends on `RxSwift`. + +## Usage + + + + + + + + + + + + + + + + + + + +
Here's an exampleIn Action
Define search for GitHub repositories ...
+let searchResults = searchBar.rx.text.orEmpty
+    .throttle(.milliseconds(300), scheduler: MainScheduler.instance)
+    .distinctUntilChanged()
+    .flatMapLatest { query -> Observable<[Repository]> in
+        if query.isEmpty {
+            return .just([])
+        }
+        return searchGitHub(query)
+            .catchAndReturn([])
+    }
+    .observe(on: MainScheduler.instance)
... then bind the results to your tableview
+searchResults
+    .bind(to: tableView.rx.items(cellIdentifier: "Cell")) {
+        (index, repository: Repository, cell) in
+        cell.textLabel?.text = repository.name
+        cell.detailTextLabel?.text = repository.url
+    }
+    .disposed(by: disposeBag)
+ + +## Requirements + +* Xcode 12.x +* Swift 5.x + +For Xcode 11 and below, [use RxSwift 5.x](https://github.com/ReactiveX/RxSwift/releases/tag/5.1.1). + +## Installation + +RxSwift doesn't contain any external dependencies. + +These are currently the supported installation options: + +### Manual + +Open Rx.xcworkspace, choose `RxExample` and hit run. This method will build everything and run the sample app + +### [CocoaPods](https://guides.cocoapods.org/using/using-cocoapods.html) + +```ruby +# Podfile +use_frameworks! + +target 'YOUR_TARGET_NAME' do + pod 'RxSwift', '6.5.0' + pod 'RxCocoa', '6.5.0' +end + +# RxTest and RxBlocking make the most sense in the context of unit/integration tests +target 'YOUR_TESTING_TARGET' do + pod 'RxBlocking', '6.5.0' + pod 'RxTest', '6.5.0' +end +``` + +Replace `YOUR_TARGET_NAME` and then, in the `Podfile` directory, type: + +```bash +$ pod install +``` + +### XCFrameworks + +Each release starting with RxSwift 6 includes `*.xcframework` framework binaries. + +Simply drag the needed framework binaries to your **Frameworks, Libraries, and Embedded Content** section under your target's **General** tab. + +> **Note**: If you're using `RxCocoa`, be sure to also drag **RxCocoaRuntime.xcframework** before importing `RxCocoa`. + +XCFrameworks instructions + +### [Carthage](https://github.com/Carthage/Carthage) + +Add this to `Cartfile` + +``` +github "ReactiveX/RxSwift" "6.5.0" +``` + +```bash +$ carthage update +``` + +#### Carthage as a Static Library + +Carthage defaults to building RxSwift as a Dynamic Library. + +If you wish to build RxSwift as a Static Library using Carthage you may use the script below to manually modify the framework type before building with Carthage: + +```bash +carthage update RxSwift --platform iOS --no-build +sed -i -e 's/MACH_O_TYPE = mh_dylib/MACH_O_TYPE = staticlib/g' Carthage/Checkouts/RxSwift/Rx.xcodeproj/project.pbxproj +carthage build RxSwift --platform iOS +``` + +### [Swift Package Manager](https://github.com/apple/swift-package-manager) + +> **Note**: There is a critical cross-dependency bug affecting many projects including RxSwift in Swift Package Manager. We've [filed a bug (SR-12303)](https://bugs.swift.org/browse/SR-12303) in early 2020 but have no answer yet. Your mileage may vary. A partial workaround can be found [here](https://github.com/ReactiveX/RxSwift/issues/2127#issuecomment-717830502). + +Create a `Package.swift` file. + +```swift +// swift-tools-version:5.0 + +import PackageDescription + +let package = Package( + name: "RxTestProject", + dependencies: [ + .package(url: "https://github.com/ReactiveX/RxSwift.git", .exact("6.5.0")) + ], + targets: [ + .target(name: "RxTestProject", dependencies: ["RxSwift", "RxCocoa"]) + ] +) +``` + +```bash +$ swift build +``` + +To build or test a module with RxTest dependency, set `TEST=1`. + +```bash +$ TEST=1 swift test +``` + +### Manually using git submodules + +* Add RxSwift as a submodule + +```bash +$ git submodule add git@github.com:ReactiveX/RxSwift.git +``` + +* Drag `Rx.xcodeproj` into Project Navigator +* Go to `Project > Targets > Build Phases > Link Binary With Libraries`, click `+` and select `RxSwift`, `RxCocoa` and `RxRelay` targets + +## References + +* [http://reactivex.io/](http://reactivex.io/) +* [Reactive Extensions GitHub (GitHub)](https://github.com/Reactive-Extensions) +* [RxSwift RayWenderlich.com Book](https://store.raywenderlich.com/products/rxswift-reactive-programming-with-swift) +* [RxSwift: Debunking the myth of hard (YouTube)](https://www.youtube.com/watch?v=GdvLP0ZAhhc) +* [Boxue.io RxSwift Online Course](https://boxueio.com/series/rxswift-101) (Chinese 🇨🇳) +* [Expert to Expert: Brian Beckman and Erik Meijer - Inside the .NET Reactive Framework (Rx) (video)](https://youtu.be/looJcaeboBY) +* [Reactive Programming Overview (Jafar Husain from Netflix)](https://youtu.be/-8Y1-lE6NSA) +* [Subject/Observer is Dual to Iterator (paper)](http://csl.stanford.edu/~christos/pldi2010.fit/meijer.duality.pdf) +* [Rx standard sequence operators visualized (visualization tool)](http://rxmarbles.com/) +* [Haskell](https://www.haskell.org/) diff --git a/Pods/RxSwift/RxSwift/AnyObserver.swift b/Pods/RxSwift/RxSwift/AnyObserver.swift new file mode 100644 index 0000000..e92cc81 --- /dev/null +++ b/Pods/RxSwift/RxSwift/AnyObserver.swift @@ -0,0 +1,69 @@ +// +// AnyObserver.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/28/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// A type-erased `ObserverType`. +/// +/// Forwards operations to an arbitrary underlying observer with the same `Element` type, hiding the specifics of the underlying observer type. +public struct AnyObserver : ObserverType { + /// Anonymous event handler type. + public typealias EventHandler = (Event) -> Void + + private let observer: EventHandler + + /// Construct an instance whose `on(event)` calls `eventHandler(event)` + /// + /// - parameter eventHandler: Event handler that observes sequences events. + public init(eventHandler: @escaping EventHandler) { + self.observer = eventHandler + } + + /// Construct an instance whose `on(event)` calls `observer.on(event)` + /// + /// - parameter observer: Observer that receives sequence events. + public init(_ observer: Observer) where Observer.Element == Element { + self.observer = observer.on + } + + /// Send `event` to this observer. + /// + /// - parameter event: Event instance. + public func on(_ event: Event) { + self.observer(event) + } + + /// Erases type of observer and returns canonical observer. + /// + /// - returns: type erased observer. + public func asObserver() -> AnyObserver { + self + } +} + +extension AnyObserver { + /// Collection of `AnyObserver`s + typealias s = Bag<(Event) -> Void> +} + +extension ObserverType { + /// Erases type of observer and returns canonical observer. + /// + /// - returns: type erased observer. + public func asObserver() -> AnyObserver { + AnyObserver(self) + } + + /// Transforms observer of type R to type E using custom transform method. + /// Each event sent to result observer is transformed and sent to `self`. + /// + /// - returns: observer that transforms events. + public func mapObserver(_ transform: @escaping (Result) throws -> Element) -> AnyObserver { + AnyObserver { e in + self.on(e.map(transform)) + } + } +} diff --git a/Pods/RxSwift/RxSwift/Binder.swift b/Pods/RxSwift/RxSwift/Binder.swift new file mode 100644 index 0000000..1aae095 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Binder.swift @@ -0,0 +1,59 @@ +// +// Binder.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/17/17. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +/** + Observer that enforces interface binding rules: + * can't bind errors (in debug builds binding of errors causes `fatalError` in release builds errors are being logged) + * ensures binding is performed on a specific scheduler + + `Binder` doesn't retain target and in case target is released, element isn't bound. + + By default it binds elements on main scheduler. + */ +public struct Binder: ObserverType { + public typealias Element = Value + + private let binding: (Event) -> Void + + /// Initializes `Binder` + /// + /// - parameter target: Target object. + /// - parameter scheduler: Scheduler used to bind the events. + /// - parameter binding: Binding logic. + public init(_ target: Target, scheduler: ImmediateSchedulerType = MainScheduler(), binding: @escaping (Target, Value) -> Void) { + weak var weakTarget = target + + self.binding = { event in + switch event { + case .next(let element): + _ = scheduler.schedule(element) { element in + if let target = weakTarget { + binding(target, element) + } + return Disposables.create() + } + case .error(let error): + rxFatalErrorInDebug("Binding error: \(error)") + case .completed: + break + } + } + } + + /// Binds next element to owner view as described in `binding`. + public func on(_ event: Event) { + self.binding(event) + } + + /// Erases type of observer. + /// + /// - returns: type erased observer. + public func asObserver() -> AnyObserver { + AnyObserver(eventHandler: self.on) + } +} diff --git a/Pods/RxSwift/RxSwift/Cancelable.swift b/Pods/RxSwift/RxSwift/Cancelable.swift new file mode 100644 index 0000000..1fa7a67 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Cancelable.swift @@ -0,0 +1,13 @@ +// +// Cancelable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/12/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents disposable resource with state tracking. +public protocol Cancelable : Disposable { + /// Was resource disposed. + var isDisposed: Bool { get } +} diff --git a/Pods/RxSwift/RxSwift/Concurrency/AsyncLock.swift b/Pods/RxSwift/RxSwift/Concurrency/AsyncLock.swift new file mode 100644 index 0000000..502597e --- /dev/null +++ b/Pods/RxSwift/RxSwift/Concurrency/AsyncLock.swift @@ -0,0 +1,100 @@ +// +// AsyncLock.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/21/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/** +In case nobody holds this lock, the work will be queued and executed immediately +on thread that is requesting lock. + +In case there is somebody currently holding that lock, action will be enqueued. +When owned of the lock finishes with it's processing, it will also execute +and pending work. + +That means that enqueued work could possibly be executed later on a different thread. +*/ +final class AsyncLock + : Disposable + , Lock + , SynchronizedDisposeType { + typealias Action = () -> Void + + private var _lock = SpinLock() + + private var queue: Queue = Queue(capacity: 0) + + private var isExecuting: Bool = false + private var hasFaulted: Bool = false + + // lock { + func lock() { + self._lock.lock() + } + + func unlock() { + self._lock.unlock() + } + // } + + private func enqueue(_ action: I) -> I? { + self.lock(); defer { self.unlock() } + if self.hasFaulted { + return nil + } + + if self.isExecuting { + self.queue.enqueue(action) + return nil + } + + self.isExecuting = true + + return action + } + + private func dequeue() -> I? { + self.lock(); defer { self.unlock() } + if !self.queue.isEmpty { + return self.queue.dequeue() + } + else { + self.isExecuting = false + return nil + } + } + + func invoke(_ action: I) { + let firstEnqueuedAction = self.enqueue(action) + + if let firstEnqueuedAction = firstEnqueuedAction { + firstEnqueuedAction.invoke() + } + else { + // action is enqueued, it's somebody else's concern now + return + } + + while true { + let nextAction = self.dequeue() + + if let nextAction = nextAction { + nextAction.invoke() + } + else { + return + } + } + } + + func dispose() { + self.synchronizedDispose() + } + + func synchronized_dispose() { + self.queue = Queue(capacity: 0) + self.hasFaulted = true + } +} diff --git a/Pods/RxSwift/RxSwift/Concurrency/Lock.swift b/Pods/RxSwift/RxSwift/Concurrency/Lock.swift new file mode 100644 index 0000000..7232f23 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Concurrency/Lock.swift @@ -0,0 +1,23 @@ +// +// Lock.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/31/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol Lock { + func lock() + func unlock() +} + +// https://lists.swift.org/pipermail/swift-dev/Week-of-Mon-20151214/000321.html +typealias SpinLock = RecursiveLock + +extension RecursiveLock : Lock { + @inline(__always) + final func performLocked(_ action: () -> T) -> T { + self.lock(); defer { self.unlock() } + return action() + } +} diff --git a/Pods/RxSwift/RxSwift/Concurrency/LockOwnerType.swift b/Pods/RxSwift/RxSwift/Concurrency/LockOwnerType.swift new file mode 100644 index 0000000..8a98007 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Concurrency/LockOwnerType.swift @@ -0,0 +1,16 @@ +// +// LockOwnerType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 10/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol LockOwnerType: AnyObject, Lock { + var lock: RecursiveLock { get } +} + +extension LockOwnerType { + func lock() { self.lock.lock() } + func unlock() { self.lock.unlock() } +} diff --git a/Pods/RxSwift/RxSwift/Concurrency/SynchronizedDisposeType.swift b/Pods/RxSwift/RxSwift/Concurrency/SynchronizedDisposeType.swift new file mode 100644 index 0000000..527a2fb --- /dev/null +++ b/Pods/RxSwift/RxSwift/Concurrency/SynchronizedDisposeType.swift @@ -0,0 +1,18 @@ +// +// SynchronizedDisposeType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 10/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol SynchronizedDisposeType: AnyObject, Disposable, Lock { + func synchronized_dispose() +} + +extension SynchronizedDisposeType { + func synchronizedDispose() { + self.lock(); defer { self.unlock() } + self.synchronized_dispose() + } +} diff --git a/Pods/RxSwift/RxSwift/Concurrency/SynchronizedOnType.swift b/Pods/RxSwift/RxSwift/Concurrency/SynchronizedOnType.swift new file mode 100644 index 0000000..19168d7 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Concurrency/SynchronizedOnType.swift @@ -0,0 +1,18 @@ +// +// SynchronizedOnType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 10/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol SynchronizedOnType: AnyObject, ObserverType, Lock { + func synchronized_on(_ event: Event) +} + +extension SynchronizedOnType { + func synchronizedOn(_ event: Event) { + self.lock(); defer { self.unlock() } + self.synchronized_on(event) + } +} diff --git a/Pods/RxSwift/RxSwift/Concurrency/SynchronizedUnsubscribeType.swift b/Pods/RxSwift/RxSwift/Concurrency/SynchronizedUnsubscribeType.swift new file mode 100644 index 0000000..988b86f --- /dev/null +++ b/Pods/RxSwift/RxSwift/Concurrency/SynchronizedUnsubscribeType.swift @@ -0,0 +1,13 @@ +// +// SynchronizedUnsubscribeType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 10/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol SynchronizedUnsubscribeType: AnyObject { + associatedtype DisposeKey + + func synchronizedUnsubscribe(_ disposeKey: DisposeKey) +} diff --git a/Pods/RxSwift/RxSwift/ConnectableObservableType.swift b/Pods/RxSwift/RxSwift/ConnectableObservableType.swift new file mode 100644 index 0000000..52bf93c --- /dev/null +++ b/Pods/RxSwift/RxSwift/ConnectableObservableType.swift @@ -0,0 +1,19 @@ +// +// ConnectableObservableType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/1/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/** +Represents an observable sequence wrapper that can be connected and disconnected from its underlying observable sequence. +*/ +public protocol ConnectableObservableType : ObservableType { + /** + Connects the observable wrapper to its source. All subscribed observers will receive values from the underlying observable sequence as long as the connection is established. + + - returns: Disposable used to disconnect the observable wrapper from its source, causing subscribed observer to stop receiving values from the underlying observable sequence. + */ + func connect() -> Disposable +} diff --git a/Pods/RxSwift/RxSwift/Date+Dispatch.swift b/Pods/RxSwift/RxSwift/Date+Dispatch.swift new file mode 100644 index 0000000..90f70c5 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Date+Dispatch.swift @@ -0,0 +1,64 @@ +// +// Date+Dispatch.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/14/19. +// Copyright © 2019 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +extension DispatchTimeInterval { + var convertToSecondsFactor: Double { + switch self { + case .nanoseconds: return 1_000_000_000.0 + case .microseconds: return 1_000_000.0 + case .milliseconds: return 1_000.0 + case .seconds: return 1.0 + case .never: fatalError() + @unknown default: fatalError() + } + } + + func map(_ transform: (Int, Double) -> Int) -> DispatchTimeInterval { + switch self { + case .nanoseconds(let value): return .nanoseconds(transform(value, 1_000_000_000.0)) + case .microseconds(let value): return .microseconds(transform(value, 1_000_000.0)) + case .milliseconds(let value): return .milliseconds(transform(value, 1_000.0)) + case .seconds(let value): return .seconds(transform(value, 1.0)) + case .never: return .never + @unknown default: fatalError() + } + } + + var isNow: Bool { + switch self { + case .nanoseconds(let value), .microseconds(let value), .milliseconds(let value), .seconds(let value): return value == 0 + case .never: return false + @unknown default: fatalError() + } + } + + internal func reduceWithSpanBetween(earlierDate: Date, laterDate: Date) -> DispatchTimeInterval { + return self.map { value, factor in + let interval = laterDate.timeIntervalSince(earlierDate) + let remainder = Double(value) - interval * factor + guard remainder > 0 else { return 0 } + return Int(remainder.rounded(.toNearestOrAwayFromZero)) + } + } +} + +extension Date { + + internal func addingDispatchInterval(_ dispatchInterval: DispatchTimeInterval) -> Date { + switch dispatchInterval { + case .nanoseconds(let value), .microseconds(let value), .milliseconds(let value), .seconds(let value): + return self.addingTimeInterval(TimeInterval(value) / dispatchInterval.convertToSecondsFactor) + case .never: return Date.distantFuture + @unknown default: fatalError() + } + } + +} diff --git a/Pods/RxSwift/RxSwift/Disposable.swift b/Pods/RxSwift/RxSwift/Disposable.swift new file mode 100644 index 0000000..b79c77a --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposable.swift @@ -0,0 +1,13 @@ +// +// Disposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a disposable resource. +public protocol Disposable { + /// Dispose resource. + func dispose() +} diff --git a/Pods/RxSwift/RxSwift/Disposables/AnonymousDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/AnonymousDisposable.swift new file mode 100644 index 0000000..591aafa --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/AnonymousDisposable.swift @@ -0,0 +1,59 @@ +// +// AnonymousDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/15/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents an Action-based disposable. +/// +/// When dispose method is called, disposal action will be dereferenced. +private final class AnonymousDisposable : DisposeBase, Cancelable { + public typealias DisposeAction = () -> Void + + private let disposed = AtomicInt(0) + private var disposeAction: DisposeAction? + + /// - returns: Was resource disposed. + public var isDisposed: Bool { + isFlagSet(self.disposed, 1) + } + + /// Constructs a new disposable with the given action used for disposal. + /// + /// - parameter disposeAction: Disposal action which will be run upon calling `dispose`. + private init(_ disposeAction: @escaping DisposeAction) { + self.disposeAction = disposeAction + super.init() + } + + // Non-deprecated version of the constructor, used by `Disposables.create(with:)` + fileprivate init(disposeAction: @escaping DisposeAction) { + self.disposeAction = disposeAction + super.init() + } + + /// Calls the disposal action if and only if the current instance hasn't been disposed yet. + /// + /// After invoking disposal action, disposal action will be dereferenced. + fileprivate func dispose() { + if fetchOr(self.disposed, 1) == 0 { + if let action = self.disposeAction { + self.disposeAction = nil + action() + } + } + } +} + +extension Disposables { + + /// Constructs a new disposable with the given action used for disposal. + /// + /// - parameter dispose: Disposal action which will be run upon calling `dispose`. + public static func create(with dispose: @escaping () -> Void) -> Cancelable { + AnonymousDisposable(disposeAction: dispose) + } + +} diff --git a/Pods/RxSwift/RxSwift/Disposables/BinaryDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/BinaryDisposable.swift new file mode 100644 index 0000000..a3d4937 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/BinaryDisposable.swift @@ -0,0 +1,53 @@ +// +// BinaryDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/12/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents two disposable resources that are disposed together. +private final class BinaryDisposable : DisposeBase, Cancelable { + + private let disposed = AtomicInt(0) + + // state + private var disposable1: Disposable? + private var disposable2: Disposable? + + /// - returns: Was resource disposed. + var isDisposed: Bool { + isFlagSet(self.disposed, 1) + } + + /// Constructs new binary disposable from two disposables. + /// + /// - parameter disposable1: First disposable + /// - parameter disposable2: Second disposable + init(_ disposable1: Disposable, _ disposable2: Disposable) { + self.disposable1 = disposable1 + self.disposable2 = disposable2 + super.init() + } + + /// Calls the disposal action if and only if the current instance hasn't been disposed yet. + /// + /// After invoking disposal action, disposal action will be dereferenced. + func dispose() { + if fetchOr(self.disposed, 1) == 0 { + self.disposable1?.dispose() + self.disposable2?.dispose() + self.disposable1 = nil + self.disposable2 = nil + } + } +} + +extension Disposables { + + /// Creates a disposable with the given disposables. + public static func create(_ disposable1: Disposable, _ disposable2: Disposable) -> Cancelable { + BinaryDisposable(disposable1, disposable2) + } + +} diff --git a/Pods/RxSwift/RxSwift/Disposables/BooleanDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/BooleanDisposable.swift new file mode 100644 index 0000000..c7d73e9 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/BooleanDisposable.swift @@ -0,0 +1,33 @@ +// +// BooleanDisposable.swift +// RxSwift +// +// Created by Junior B. on 10/29/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a disposable resource that can be checked for disposal status. +public final class BooleanDisposable : Cancelable { + + internal static let BooleanDisposableTrue = BooleanDisposable(isDisposed: true) + private var disposed = false + + /// Initializes a new instance of the `BooleanDisposable` class + public init() { + } + + /// Initializes a new instance of the `BooleanDisposable` class with given value + public init(isDisposed: Bool) { + self.disposed = isDisposed + } + + /// - returns: Was resource disposed. + public var isDisposed: Bool { + self.disposed + } + + /// Sets the status to disposed, which can be observer through the `isDisposed` property. + public func dispose() { + self.disposed = true + } +} diff --git a/Pods/RxSwift/RxSwift/Disposables/CompositeDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/CompositeDisposable.swift new file mode 100644 index 0000000..bb4efe6 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/CompositeDisposable.swift @@ -0,0 +1,147 @@ +// +// CompositeDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/20/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a group of disposable resources that are disposed together. +public final class CompositeDisposable : DisposeBase, Cancelable { + /// Key used to remove disposable from composite disposable + public struct DisposeKey { + fileprivate let key: BagKey + fileprivate init(key: BagKey) { + self.key = key + } + } + + private var lock = SpinLock() + + // state + private var disposables: Bag? = Bag() + + public var isDisposed: Bool { + self.lock.performLocked { self.disposables == nil } + } + + public override init() { + } + + /// Initializes a new instance of composite disposable with the specified number of disposables. + public init(_ disposable1: Disposable, _ disposable2: Disposable) { + // This overload is here to make sure we are using optimized version up to 4 arguments. + _ = self.disposables!.insert(disposable1) + _ = self.disposables!.insert(disposable2) + } + + /// Initializes a new instance of composite disposable with the specified number of disposables. + public init(_ disposable1: Disposable, _ disposable2: Disposable, _ disposable3: Disposable) { + // This overload is here to make sure we are using optimized version up to 4 arguments. + _ = self.disposables!.insert(disposable1) + _ = self.disposables!.insert(disposable2) + _ = self.disposables!.insert(disposable3) + } + + /// Initializes a new instance of composite disposable with the specified number of disposables. + public init(_ disposable1: Disposable, _ disposable2: Disposable, _ disposable3: Disposable, _ disposable4: Disposable, _ disposables: Disposable...) { + // This overload is here to make sure we are using optimized version up to 4 arguments. + _ = self.disposables!.insert(disposable1) + _ = self.disposables!.insert(disposable2) + _ = self.disposables!.insert(disposable3) + _ = self.disposables!.insert(disposable4) + + for disposable in disposables { + _ = self.disposables!.insert(disposable) + } + } + + /// Initializes a new instance of composite disposable with the specified number of disposables. + public init(disposables: [Disposable]) { + for disposable in disposables { + _ = self.disposables!.insert(disposable) + } + } + + /** + Adds a disposable to the CompositeDisposable or disposes the disposable if the CompositeDisposable is disposed. + + - parameter disposable: Disposable to add. + - returns: Key that can be used to remove disposable from composite disposable. In case dispose bag was already + disposed `nil` will be returned. + */ + public func insert(_ disposable: Disposable) -> DisposeKey? { + let key = self._insert(disposable) + + if key == nil { + disposable.dispose() + } + + return key + } + + private func _insert(_ disposable: Disposable) -> DisposeKey? { + self.lock.performLocked { + let bagKey = self.disposables?.insert(disposable) + return bagKey.map(DisposeKey.init) + } + } + + /// - returns: Gets the number of disposables contained in the `CompositeDisposable`. + public var count: Int { + self.lock.performLocked { self.disposables?.count ?? 0 } + } + + /// Removes and disposes the disposable identified by `disposeKey` from the CompositeDisposable. + /// + /// - parameter disposeKey: Key used to identify disposable to be removed. + public func remove(for disposeKey: DisposeKey) { + self._remove(for: disposeKey)?.dispose() + } + + private func _remove(for disposeKey: DisposeKey) -> Disposable? { + self.lock.performLocked { self.disposables?.removeKey(disposeKey.key) } + } + + /// Disposes all disposables in the group and removes them from the group. + public func dispose() { + if let disposables = self._dispose() { + disposeAll(in: disposables) + } + } + + private func _dispose() -> Bag? { + self.lock.performLocked { + let current = self.disposables + self.disposables = nil + return current + } + } +} + +extension Disposables { + + /// Creates a disposable with the given disposables. + public static func create(_ disposable1: Disposable, _ disposable2: Disposable, _ disposable3: Disposable) -> Cancelable { + CompositeDisposable(disposable1, disposable2, disposable3) + } + + /// Creates a disposable with the given disposables. + public static func create(_ disposable1: Disposable, _ disposable2: Disposable, _ disposable3: Disposable, _ disposables: Disposable ...) -> Cancelable { + var disposables = disposables + disposables.append(disposable1) + disposables.append(disposable2) + disposables.append(disposable3) + return CompositeDisposable(disposables: disposables) + } + + /// Creates a disposable with the given disposables. + public static func create(_ disposables: [Disposable]) -> Cancelable { + switch disposables.count { + case 2: + return Disposables.create(disposables[0], disposables[1]) + default: + return CompositeDisposable(disposables: disposables) + } + } +} diff --git a/Pods/RxSwift/RxSwift/Disposables/Disposables.swift b/Pods/RxSwift/RxSwift/Disposables/Disposables.swift new file mode 100644 index 0000000..8cd6e28 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/Disposables.swift @@ -0,0 +1,13 @@ +// +// Disposables.swift +// RxSwift +// +// Created by Mohsen Ramezanpoor on 01/08/2016. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +/// A collection of utility methods for common disposable operations. +public struct Disposables { + private init() {} +} + diff --git a/Pods/RxSwift/RxSwift/Disposables/DisposeBag.swift b/Pods/RxSwift/RxSwift/Disposables/DisposeBag.swift new file mode 100644 index 0000000..1a673bc --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/DisposeBag.swift @@ -0,0 +1,144 @@ +// +// DisposeBag.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension Disposable { + /// Adds `self` to `bag` + /// + /// - parameter bag: `DisposeBag` to add `self` to. + public func disposed(by bag: DisposeBag) { + bag.insert(self) + } +} + +/** +Thread safe bag that disposes added disposables on `deinit`. + +This returns ARC (RAII) like resource management to `RxSwift`. + +In case contained disposables need to be disposed, just put a different dispose bag +or create a new one in its place. + + self.existingDisposeBag = DisposeBag() + +In case explicit disposal is necessary, there is also `CompositeDisposable`. +*/ +public final class DisposeBag: DisposeBase { + + private var lock = SpinLock() + + // state + private var disposables = [Disposable]() + private var isDisposed = false + + /// Constructs new empty dispose bag. + public override init() { + super.init() + } + + /// Adds `disposable` to be disposed when dispose bag is being deinited. + /// + /// - parameter disposable: Disposable to add. + public func insert(_ disposable: Disposable) { + self._insert(disposable)?.dispose() + } + + private func _insert(_ disposable: Disposable) -> Disposable? { + self.lock.performLocked { + if self.isDisposed { + return disposable + } + + self.disposables.append(disposable) + + return nil + } + } + + /// This is internal on purpose, take a look at `CompositeDisposable` instead. + private func dispose() { + let oldDisposables = self._dispose() + + for disposable in oldDisposables { + disposable.dispose() + } + } + + private func _dispose() -> [Disposable] { + self.lock.performLocked { + let disposables = self.disposables + + self.disposables.removeAll(keepingCapacity: false) + self.isDisposed = true + + return disposables + } + } + + deinit { + self.dispose() + } +} + +extension DisposeBag { + /// Convenience init allows a list of disposables to be gathered for disposal. + public convenience init(disposing disposables: Disposable...) { + self.init() + self.disposables += disposables + } + + /// Convenience init which utilizes a function builder to let you pass in a list of + /// disposables to make a DisposeBag of. + public convenience init(@DisposableBuilder builder: () -> [Disposable]) { + self.init(disposing: builder()) + } + + /// Convenience init allows an array of disposables to be gathered for disposal. + public convenience init(disposing disposables: [Disposable]) { + self.init() + self.disposables += disposables + } + + /// Convenience function allows a list of disposables to be gathered for disposal. + public func insert(_ disposables: Disposable...) { + self.insert(disposables) + } + + /// Convenience function allows a list of disposables to be gathered for disposal. + public func insert(@DisposableBuilder builder: () -> [Disposable]) { + self.insert(builder()) + } + + /// Convenience function allows an array of disposables to be gathered for disposal. + public func insert(_ disposables: [Disposable]) { + self.lock.performLocked { + if self.isDisposed { + disposables.forEach { $0.dispose() } + } else { + self.disposables += disposables + } + } + } + + /// A function builder accepting a list of Disposables and returning them as an array. + #if swift(>=5.4) + @resultBuilder + public struct DisposableBuilder { + public static func buildBlock(_ disposables: Disposable...) -> [Disposable] { + return disposables + } + } + #else + @_functionBuilder + public struct DisposableBuilder { + public static func buildBlock(_ disposables: Disposable...) -> [Disposable] { + return disposables + } + } + #endif + +} diff --git a/Pods/RxSwift/RxSwift/Disposables/DisposeBase.swift b/Pods/RxSwift/RxSwift/Disposables/DisposeBase.swift new file mode 100644 index 0000000..0d4b2fb --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/DisposeBase.swift @@ -0,0 +1,22 @@ +// +// DisposeBase.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/4/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Base class for all disposables. +public class DisposeBase { + init() { +#if TRACE_RESOURCES + _ = Resources.incrementTotal() +#endif + } + + deinit { +#if TRACE_RESOURCES + _ = Resources.decrementTotal() +#endif + } +} diff --git a/Pods/RxSwift/RxSwift/Disposables/NopDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/NopDisposable.swift new file mode 100644 index 0000000..dd436ba --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/NopDisposable.swift @@ -0,0 +1,30 @@ +// +// NopDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/15/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a disposable that does nothing on disposal. +/// +/// Nop = No Operation +private struct NopDisposable : Disposable { + + fileprivate static let noOp: Disposable = NopDisposable() + + private init() { + + } + + /// Does nothing. + public func dispose() { + } +} + +extension Disposables { + /** + Creates a disposable that does nothing on disposal. + */ + static public func create() -> Disposable { NopDisposable.noOp } +} diff --git a/Pods/RxSwift/RxSwift/Disposables/RefCountDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/RefCountDisposable.swift new file mode 100644 index 0000000..a59f778 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/RefCountDisposable.swift @@ -0,0 +1,112 @@ +// +// RefCountDisposable.swift +// RxSwift +// +// Created by Junior B. on 10/29/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a disposable resource that only disposes its underlying disposable resource when all dependent disposable objects have been disposed. +public final class RefCountDisposable : DisposeBase, Cancelable { + private var lock = SpinLock() + private var disposable = nil as Disposable? + private var primaryDisposed = false + private var count = 0 + + /// - returns: Was resource disposed. + public var isDisposed: Bool { + self.lock.performLocked { self.disposable == nil } + } + + /// Initializes a new instance of the `RefCountDisposable`. + public init(disposable: Disposable) { + self.disposable = disposable + super.init() + } + + /** + Holds a dependent disposable that when disposed decreases the refcount on the underlying disposable. + + When getter is called, a dependent disposable contributing to the reference count that manages the underlying disposable's lifetime is returned. + */ + public func retain() -> Disposable { + self.lock.performLocked { + if self.disposable != nil { + do { + _ = try incrementChecked(&self.count) + } catch { + rxFatalError("RefCountDisposable increment failed") + } + + return RefCountInnerDisposable(self) + } else { + return Disposables.create() + } + } + } + + /// Disposes the underlying disposable only when all dependent disposables have been disposed. + public func dispose() { + let oldDisposable: Disposable? = self.lock.performLocked { + if let oldDisposable = self.disposable, !self.primaryDisposed { + self.primaryDisposed = true + + if self.count == 0 { + self.disposable = nil + return oldDisposable + } + } + + return nil + } + + if let disposable = oldDisposable { + disposable.dispose() + } + } + + fileprivate func release() { + let oldDisposable: Disposable? = self.lock.performLocked { + if let oldDisposable = self.disposable { + do { + _ = try decrementChecked(&self.count) + } catch { + rxFatalError("RefCountDisposable decrement on release failed") + } + + guard self.count >= 0 else { + rxFatalError("RefCountDisposable counter is lower than 0") + } + + if self.primaryDisposed && self.count == 0 { + self.disposable = nil + return oldDisposable + } + } + + return nil + } + + if let disposable = oldDisposable { + disposable.dispose() + } + } +} + +internal final class RefCountInnerDisposable: DisposeBase, Disposable +{ + private let parent: RefCountDisposable + private let isDisposed = AtomicInt(0) + + init(_ parent: RefCountDisposable) { + self.parent = parent + super.init() + } + + internal func dispose() + { + if fetchOr(self.isDisposed, 1) == 0 { + self.parent.release() + } + } +} diff --git a/Pods/RxSwift/RxSwift/Disposables/ScheduledDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/ScheduledDisposable.swift new file mode 100644 index 0000000..2cf997b --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/ScheduledDisposable.swift @@ -0,0 +1,50 @@ +// +// ScheduledDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/13/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +private let disposeScheduledDisposable: (ScheduledDisposable) -> Disposable = { sd in + sd.disposeInner() + return Disposables.create() +} + +/// Represents a disposable resource whose disposal invocation will be scheduled on the specified scheduler. +public final class ScheduledDisposable : Cancelable { + public let scheduler: ImmediateSchedulerType + + private let disposed = AtomicInt(0) + + // state + private var disposable: Disposable? + + /// - returns: Was resource disposed. + public var isDisposed: Bool { + isFlagSet(self.disposed, 1) + } + + /** + Initializes a new instance of the `ScheduledDisposable` that uses a `scheduler` on which to dispose the `disposable`. + + - parameter scheduler: Scheduler where the disposable resource will be disposed on. + - parameter disposable: Disposable resource to dispose on the given scheduler. + */ + public init(scheduler: ImmediateSchedulerType, disposable: Disposable) { + self.scheduler = scheduler + self.disposable = disposable + } + + /// Disposes the wrapped disposable on the provided scheduler. + public func dispose() { + _ = self.scheduler.schedule(self, action: disposeScheduledDisposable) + } + + func disposeInner() { + if fetchOr(self.disposed, 1) == 0 { + self.disposable!.dispose() + self.disposable = nil + } + } +} diff --git a/Pods/RxSwift/RxSwift/Disposables/SerialDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/SerialDisposable.swift new file mode 100644 index 0000000..ef4690d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/SerialDisposable.swift @@ -0,0 +1,73 @@ +// +// SerialDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/12/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a disposable resource whose underlying disposable resource can be replaced by another disposable resource, causing automatic disposal of the previous underlying disposable resource. +public final class SerialDisposable : DisposeBase, Cancelable { + private var lock = SpinLock() + + // state + private var current = nil as Disposable? + private var disposed = false + + /// - returns: Was resource disposed. + public var isDisposed: Bool { + self.disposed + } + + /// Initializes a new instance of the `SerialDisposable`. + override public init() { + super.init() + } + + /** + Gets or sets the underlying disposable. + + Assigning this property disposes the previous disposable object. + + If the `SerialDisposable` has already been disposed, assignment to this property causes immediate disposal of the given disposable object. + */ + public var disposable: Disposable { + get { + self.lock.performLocked { + self.current ?? Disposables.create() + } + } + set (newDisposable) { + let disposable: Disposable? = self.lock.performLocked { + if self.isDisposed { + return newDisposable + } + else { + let toDispose = self.current + self.current = newDisposable + return toDispose + } + } + + if let disposable = disposable { + disposable.dispose() + } + } + } + + /// Disposes the underlying disposable as well as all future replacements. + public func dispose() { + self._dispose()?.dispose() + } + + private func _dispose() -> Disposable? { + self.lock.performLocked { + guard !self.isDisposed else { return nil } + + self.disposed = true + let current = self.current + self.current = nil + return current + } + } +} diff --git a/Pods/RxSwift/RxSwift/Disposables/SingleAssignmentDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/SingleAssignmentDisposable.swift new file mode 100644 index 0000000..4a5fb86 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/SingleAssignmentDisposable.swift @@ -0,0 +1,72 @@ +// +// SingleAssignmentDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/15/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/** +Represents a disposable resource which only allows a single assignment of its underlying disposable resource. + +If an underlying disposable resource has already been set, future attempts to set the underlying disposable resource will throw an exception. +*/ +public final class SingleAssignmentDisposable : DisposeBase, Cancelable { + + private struct DisposeState: OptionSet { + let rawValue: Int32 + + static let disposed = DisposeState(rawValue: 1 << 0) + static let disposableSet = DisposeState(rawValue: 1 << 1) + } + + // state + private let state = AtomicInt(0) + private var disposable = nil as Disposable? + + /// - returns: A value that indicates whether the object is disposed. + public var isDisposed: Bool { + isFlagSet(self.state, DisposeState.disposed.rawValue) + } + + /// Initializes a new instance of the `SingleAssignmentDisposable`. + public override init() { + super.init() + } + + /// Gets or sets the underlying disposable. After disposal, the result of getting this property is undefined. + /// + /// **Throws exception if the `SingleAssignmentDisposable` has already been assigned to.** + public func setDisposable(_ disposable: Disposable) { + self.disposable = disposable + + let previousState = fetchOr(self.state, DisposeState.disposableSet.rawValue) + + if (previousState & DisposeState.disposableSet.rawValue) != 0 { + rxFatalError("oldState.disposable != nil") + } + + if (previousState & DisposeState.disposed.rawValue) != 0 { + disposable.dispose() + self.disposable = nil + } + } + + /// Disposes the underlying disposable. + public func dispose() { + let previousState = fetchOr(self.state, DisposeState.disposed.rawValue) + + if (previousState & DisposeState.disposed.rawValue) != 0 { + return + } + + if (previousState & DisposeState.disposableSet.rawValue) != 0 { + guard let disposable = self.disposable else { + rxFatalError("Disposable not set") + } + disposable.dispose() + self.disposable = nil + } + } + +} diff --git a/Pods/RxSwift/RxSwift/Disposables/SubscriptionDisposable.swift b/Pods/RxSwift/RxSwift/Disposables/SubscriptionDisposable.swift new file mode 100644 index 0000000..a406c84 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Disposables/SubscriptionDisposable.swift @@ -0,0 +1,21 @@ +// +// SubscriptionDisposable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 10/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +struct SubscriptionDisposable : Disposable { + private let key: T.DisposeKey + private weak var owner: T? + + init(owner: T, key: T.DisposeKey) { + self.owner = owner + self.key = key + } + + func dispose() { + self.owner?.synchronizedUnsubscribe(self.key) + } +} diff --git a/Pods/RxSwift/RxSwift/Errors.swift b/Pods/RxSwift/RxSwift/Errors.swift new file mode 100644 index 0000000..d2d2917 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Errors.swift @@ -0,0 +1,52 @@ +// +// Errors.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/28/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +let RxErrorDomain = "RxErrorDomain" +let RxCompositeFailures = "RxCompositeFailures" + +/// Generic Rx error codes. +public enum RxError + : Swift.Error + , CustomDebugStringConvertible { + /// Unknown error occurred. + case unknown + /// Performing an action on disposed object. + case disposed(object: AnyObject) + /// Arithmetic overflow error. + case overflow + /// Argument out of range error. + case argumentOutOfRange + /// Sequence doesn't contain any elements. + case noElements + /// Sequence contains more than one element. + case moreThanOneElement + /// Timeout error. + case timeout +} + +extension RxError { + /// A textual representation of `self`, suitable for debugging. + public var debugDescription: String { + switch self { + case .unknown: + return "Unknown error occurred." + case .disposed(let object): + return "Object `\(object)` was already disposed." + case .overflow: + return "Arithmetic overflow occurred." + case .argumentOutOfRange: + return "Argument out of range." + case .noElements: + return "Sequence doesn't contain any elements." + case .moreThanOneElement: + return "Sequence contains more than one element." + case .timeout: + return "Sequence timeout." + } + } +} diff --git a/Pods/RxSwift/RxSwift/Event.swift b/Pods/RxSwift/RxSwift/Event.swift new file mode 100644 index 0000000..01861a8 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Event.swift @@ -0,0 +1,104 @@ +// +// Event.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a sequence event. +/// +/// Sequence grammar: +/// **next\* (error | completed)** +@frozen public enum Event { + /// Next element is produced. + case next(Element) + + /// Sequence terminated with an error. + case error(Swift.Error) + + /// Sequence completed successfully. + case completed +} + +extension Event: CustomDebugStringConvertible { + /// Description of event. + public var debugDescription: String { + switch self { + case .next(let value): + return "next(\(value))" + case .error(let error): + return "error(\(error))" + case .completed: + return "completed" + } + } +} + +extension Event { + /// Is `completed` or `error` event. + public var isStopEvent: Bool { + switch self { + case .next: return false + case .error, .completed: return true + } + } + + /// If `next` event, returns element value. + public var element: Element? { + if case .next(let value) = self { + return value + } + return nil + } + + /// If `error` event, returns error. + public var error: Swift.Error? { + if case .error(let error) = self { + return error + } + return nil + } + + /// If `completed` event, returns `true`. + public var isCompleted: Bool { + if case .completed = self { + return true + } + return false + } +} + +extension Event { + /// Maps sequence elements using transform. If error happens during the transform, `.error` + /// will be returned as value. + public func map(_ transform: (Element) throws -> Result) -> Event { + do { + switch self { + case let .next(element): + return .next(try transform(element)) + case let .error(error): + return .error(error) + case .completed: + return .completed + } + } + catch let e { + return .error(e) + } + } +} + +/// A type that can be converted to `Event`. +public protocol EventConvertible { + /// Type of element in event + associatedtype Element + + /// Event representation of this instance + var event: Event { get } +} + +extension Event: EventConvertible { + /// Event representation of this instance + public var event: Event { self } +} diff --git a/Pods/RxSwift/RxSwift/Extensions/Bag+Rx.swift b/Pods/RxSwift/RxSwift/Extensions/Bag+Rx.swift new file mode 100644 index 0000000..9794683 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Extensions/Bag+Rx.swift @@ -0,0 +1,50 @@ +// +// Bag+Rx.swift +// RxSwift +// +// Created by Krunoslav Zaher on 10/19/16. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + + +// MARK: forEach + +@inline(__always) +func dispatch(_ bag: Bag<(Event) -> Void>, _ event: Event) { + bag._value0?(event) + + if bag._onlyFastPath { + return + } + + let pairs = bag._pairs + for i in 0 ..< pairs.count { + pairs[i].value(event) + } + + if let dictionary = bag._dictionary { + for element in dictionary.values { + element(event) + } + } +} + +/// Dispatches `dispose` to all disposables contained inside bag. +func disposeAll(in bag: Bag) { + bag._value0?.dispose() + + if bag._onlyFastPath { + return + } + + let pairs = bag._pairs + for i in 0 ..< pairs.count { + pairs[i].value.dispose() + } + + if let dictionary = bag._dictionary { + for element in dictionary.values { + element.dispose() + } + } +} diff --git a/Pods/RxSwift/RxSwift/GroupedObservable.swift b/Pods/RxSwift/RxSwift/GroupedObservable.swift new file mode 100644 index 0000000..189a8c4 --- /dev/null +++ b/Pods/RxSwift/RxSwift/GroupedObservable.swift @@ -0,0 +1,35 @@ +// +// GroupedObservable.swift +// RxSwift +// +// Created by Tomi Koskinen on 01/12/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents an observable sequence of elements that have a common key. +public struct GroupedObservable : ObservableType { + /// Gets the common key. + public let key: Key + + private let source: Observable + + /// Initializes grouped observable sequence with key and source observable sequence. + /// + /// - parameter key: Grouped observable sequence key + /// - parameter source: Observable sequence that represents sequence of elements for the key + /// - returns: Grouped observable sequence of elements for the specific key + public init(key: Key, source: Observable) { + self.key = key + self.source = source + } + + /// Subscribes `observer` to receive events for this sequence. + public func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + self.source.subscribe(observer) + } + + /// Converts `self` to `Observable` sequence. + public func asObservable() -> Observable { + self.source + } +} diff --git a/Pods/RxSwift/RxSwift/ImmediateSchedulerType.swift b/Pods/RxSwift/RxSwift/ImmediateSchedulerType.swift new file mode 100644 index 0000000..954fbf0 --- /dev/null +++ b/Pods/RxSwift/RxSwift/ImmediateSchedulerType.swift @@ -0,0 +1,36 @@ +// +// ImmediateSchedulerType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 5/31/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents an object that immediately schedules units of work. +public protocol ImmediateSchedulerType { + /** + Schedules an action to be executed immediately. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable +} + +extension ImmediateSchedulerType { + /** + Schedules an action to be executed recursively. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to execute recursively. The last parameter passed to the action is used to trigger recursive scheduling of the action, passing in recursive invocation state. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func scheduleRecursive(_ state: State, action: @escaping (_ state: State, _ recurse: (State) -> Void) -> Void) -> Disposable { + let recursiveScheduler = RecursiveImmediateScheduler(action: action, scheduler: self) + + recursiveScheduler.schedule(state) + + return Disposables.create(with: recursiveScheduler.dispose) + } +} diff --git a/Pods/RxSwift/RxSwift/Observable+Concurrency.swift b/Pods/RxSwift/RxSwift/Observable+Concurrency.swift new file mode 100644 index 0000000..c1df7ee --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observable+Concurrency.swift @@ -0,0 +1,68 @@ +// +// Observable+Concurrency.swift +// RxSwift +// +// Created by Shai Mishali on 22/09/2021. +// Copyright © 2021 Krunoslav Zaher. All rights reserved. +// + +#if swift(>=5.5.2) && canImport(_Concurrency) +import Foundation + +@available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *) +public extension ObservableConvertibleType { + /// Allows iterating over the values of an Observable + /// asynchronously via Swift's concurrency features (`async/await`) + /// + /// A sample usage would look like so: + /// + /// ```swift + /// do { + /// for try await value in observable.values { + /// // Handle emitted values + /// } + /// } catch { + /// // Handle error + /// } + /// ``` + var values: AsyncThrowingStream { + AsyncThrowingStream { continuation in + let disposable = asObservable().subscribe( + onNext: { value in continuation.yield(value) }, + onError: { error in continuation.finish(throwing: error) }, + onCompleted: { continuation.finish() }, + onDisposed: { continuation.onTermination?(.cancelled) } + ) + + continuation.onTermination = { @Sendable _ in + disposable.dispose() + } + } + } +} + +@available(macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0, *) +public extension AsyncSequence { + /// Convert an `AsyncSequence` to an `Observable` emitting + /// values of the asynchronous sequence's type + /// + /// - returns: An `Observable` of the async sequence's type + func asObservable() -> Observable { + Observable.create { observer in + let task = Task { + do { + for try await value in self { + observer.onNext(value) + } + + observer.onCompleted() + } catch { + observer.onError(error) + } + } + + return Disposables.create { task.cancel() } + } + } +} +#endif diff --git a/Pods/RxSwift/RxSwift/Observable.swift b/Pods/RxSwift/RxSwift/Observable.swift new file mode 100644 index 0000000..93a3ed7 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observable.swift @@ -0,0 +1,31 @@ +// +// Observable.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// A type-erased `ObservableType`. +/// +/// It represents a push style sequence. +public class Observable : ObservableType { + init() { +#if TRACE_RESOURCES + _ = Resources.incrementTotal() +#endif + } + + public func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + rxAbstractMethod() + } + + public func asObservable() -> Observable { self } + + deinit { +#if TRACE_RESOURCES + _ = Resources.decrementTotal() +#endif + } +} + diff --git a/Pods/RxSwift/RxSwift/ObservableConvertibleType.swift b/Pods/RxSwift/RxSwift/ObservableConvertibleType.swift new file mode 100644 index 0000000..0f56a81 --- /dev/null +++ b/Pods/RxSwift/RxSwift/ObservableConvertibleType.swift @@ -0,0 +1,18 @@ +// +// ObservableConvertibleType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/17/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Type that can be converted to observable sequence (`Observable`). +public protocol ObservableConvertibleType { + /// Type of elements in sequence. + associatedtype Element + + /// Converts `self` to `Observable` sequence. + /// + /// - returns: Observable sequence that represents `self`. + func asObservable() -> Observable +} diff --git a/Pods/RxSwift/RxSwift/ObservableType+Extensions.swift b/Pods/RxSwift/RxSwift/ObservableType+Extensions.swift new file mode 100644 index 0000000..ac850c3 --- /dev/null +++ b/Pods/RxSwift/RxSwift/ObservableType+Extensions.swift @@ -0,0 +1,174 @@ +// +// ObservableType+Extensions.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/21/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +#if DEBUG + import Foundation +#endif + +extension ObservableType { + /** + Subscribes an event handler to an observable sequence. + + - parameter on: Action to invoke for each event in the observable sequence. + - returns: Subscription object used to unsubscribe from the observable sequence. + */ + public func subscribe(_ on: @escaping (Event) -> Void) -> Disposable { + let observer = AnonymousObserver { e in + on(e) + } + return self.asObservable().subscribe(observer) + } + + /** + Subscribes an element handler, an error handler, a completion handler and disposed handler to an observable sequence. + + Also, take in an object and provide an unretained, safe to use (i.e. not implicitly unwrapped), reference to it along with the events emitted by the sequence. + + - Note: If `object` can't be retained, none of the other closures will be invoked. + + - parameter object: The object to provide an unretained reference on. + - parameter onNext: Action to invoke for each element in the observable sequence. + - parameter onError: Action to invoke upon errored termination of the observable sequence. + - parameter onCompleted: Action to invoke upon graceful termination of the observable sequence. + - parameter onDisposed: Action to invoke upon any type of termination of sequence (if the sequence has + gracefully completed, errored, or if the generation is canceled by disposing subscription). + - returns: Subscription object used to unsubscribe from the observable sequence. + */ + public func subscribe( + with object: Object, + onNext: ((Object, Element) -> Void)? = nil, + onError: ((Object, Swift.Error) -> Void)? = nil, + onCompleted: ((Object) -> Void)? = nil, + onDisposed: ((Object) -> Void)? = nil + ) -> Disposable { + subscribe( + onNext: { [weak object] in + guard let object = object else { return } + onNext?(object, $0) + }, + onError: { [weak object] in + guard let object = object else { return } + onError?(object, $0) + }, + onCompleted: { [weak object] in + guard let object = object else { return } + onCompleted?(object) + }, + onDisposed: { [weak object] in + guard let object = object else { return } + onDisposed?(object) + } + ) + } + + /** + Subscribes an element handler, an error handler, a completion handler and disposed handler to an observable sequence. + + - parameter onNext: Action to invoke for each element in the observable sequence. + - parameter onError: Action to invoke upon errored termination of the observable sequence. + - parameter onCompleted: Action to invoke upon graceful termination of the observable sequence. + - parameter onDisposed: Action to invoke upon any type of termination of sequence (if the sequence has + gracefully completed, errored, or if the generation is canceled by disposing subscription). + - returns: Subscription object used to unsubscribe from the observable sequence. + */ + public func subscribe( + onNext: ((Element) -> Void)? = nil, + onError: ((Swift.Error) -> Void)? = nil, + onCompleted: (() -> Void)? = nil, + onDisposed: (() -> Void)? = nil + ) -> Disposable { + let disposable: Disposable + + if let disposed = onDisposed { + disposable = Disposables.create(with: disposed) + } + else { + disposable = Disposables.create() + } + + #if DEBUG + let synchronizationTracker = SynchronizationTracker() + #endif + + let callStack = Hooks.recordCallStackOnError ? Hooks.customCaptureSubscriptionCallstack() : [] + + let observer = AnonymousObserver { event in + + #if DEBUG + synchronizationTracker.register(synchronizationErrorMessage: .default) + defer { synchronizationTracker.unregister() } + #endif + + switch event { + case .next(let value): + onNext?(value) + case .error(let error): + if let onError = onError { + onError(error) + } + else { + Hooks.defaultErrorHandler(callStack, error) + } + disposable.dispose() + case .completed: + onCompleted?() + disposable.dispose() + } + } + return Disposables.create( + self.asObservable().subscribe(observer), + disposable + ) + } +} + +import Foundation + +extension Hooks { + public typealias DefaultErrorHandler = (_ subscriptionCallStack: [String], _ error: Error) -> Void + public typealias CustomCaptureSubscriptionCallstack = () -> [String] + + private static let lock = RecursiveLock() + private static var _defaultErrorHandler: DefaultErrorHandler = { subscriptionCallStack, error in + #if DEBUG + let serializedCallStack = subscriptionCallStack.joined(separator: "\n") + print("Unhandled error happened: \(error)") + if !serializedCallStack.isEmpty { + print("subscription called from:\n\(serializedCallStack)") + } + #endif + } + private static var _customCaptureSubscriptionCallstack: CustomCaptureSubscriptionCallstack = { + #if DEBUG + return Thread.callStackSymbols + #else + return [] + #endif + } + + /// Error handler called in case onError handler wasn't provided. + public static var defaultErrorHandler: DefaultErrorHandler { + get { + lock.performLocked { _defaultErrorHandler } + } + set { + lock.performLocked { _defaultErrorHandler = newValue } + } + } + + /// Subscription callstack block to fetch custom callstack information. + public static var customCaptureSubscriptionCallstack: CustomCaptureSubscriptionCallstack { + get { + lock.performLocked { _customCaptureSubscriptionCallstack } + } + set { + lock.performLocked { _customCaptureSubscriptionCallstack = newValue } + } + } +} + diff --git a/Pods/RxSwift/RxSwift/ObservableType.swift b/Pods/RxSwift/RxSwift/ObservableType.swift new file mode 100644 index 0000000..279bf7f --- /dev/null +++ b/Pods/RxSwift/RxSwift/ObservableType.swift @@ -0,0 +1,45 @@ +// +// ObservableType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Represents a push style sequence. +public protocol ObservableType: ObservableConvertibleType { + /** + Subscribes `observer` to receive events for this sequence. + + ### Grammar + + **Next\* (Error | Completed)?** + + * sequences can produce zero or more elements so zero or more `Next` events can be sent to `observer` + * once an `Error` or `Completed` event is sent, the sequence terminates and can't produce any other elements + + It is possible that events are sent from different threads, but no two events can be sent concurrently to + `observer`. + + ### Resource Management + + When sequence sends `Complete` or `Error` event all internal resources that compute sequence elements + will be freed. + + To cancel production of sequence elements and free resources immediately, call `dispose` on returned + subscription. + + - returns: Subscription for `observer` that can be used to cancel production of sequence elements and free resources. + */ + func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element +} + +extension ObservableType { + + /// Default implementation of converting `ObservableType` to `Observable`. + public func asObservable() -> Observable { + // temporary workaround + //return Observable.create(subscribe: self.subscribe) + Observable.create { o in self.subscribe(o) } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/AddRef.swift b/Pods/RxSwift/RxSwift/Observables/AddRef.swift new file mode 100644 index 0000000..a96dfcb --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/AddRef.swift @@ -0,0 +1,44 @@ +// +// AddRef.swift +// RxSwift +// +// Created by Junior B. on 30/10/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +final class AddRefSink : Sink, ObserverType { + typealias Element = Observer.Element + + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next: + self.forwardOn(event) + case .completed, .error: + self.forwardOn(event) + self.dispose() + } + } +} + +final class AddRef : Producer { + + private let source: Observable + private let refCount: RefCountDisposable + + init(source: Observable, refCount: RefCountDisposable) { + self.source = source + self.refCount = refCount + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let releaseDisposable = self.refCount.retain() + let sink = AddRefSink(observer: observer, cancel: cancel) + let subscription = Disposables.create(releaseDisposable, self.source.subscribe(sink)) + + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Amb.swift b/Pods/RxSwift/RxSwift/Observables/Amb.swift new file mode 100644 index 0000000..efc17a8 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Amb.swift @@ -0,0 +1,157 @@ +// +// Amb.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/14/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Propagates the observable sequence that reacts first. + + - seealso: [amb operator on reactivex.io](http://reactivex.io/documentation/operators/amb.html) + + - returns: An observable sequence that surfaces any of the given sequences, whichever reacted first. + */ + public static func amb(_ sequence: Sequence) -> Observable + where Sequence.Element == Observable { + sequence.reduce(Observable.never()) { a, o in + a.amb(o.asObservable()) + } + } +} + +extension ObservableType { + + /** + Propagates the observable sequence that reacts first. + + - seealso: [amb operator on reactivex.io](http://reactivex.io/documentation/operators/amb.html) + + - parameter right: Second observable sequence. + - returns: An observable sequence that surfaces either of the given sequences, whichever reacted first. + */ + public func amb + (_ right: O2) + -> Observable where O2.Element == Element { + Amb(left: self.asObservable(), right: right.asObservable()) + } +} + +private enum AmbState { + case neither + case left + case right +} + +final private class AmbObserver: ObserverType { + typealias Element = Observer.Element + typealias Parent = AmbSink + typealias This = AmbObserver + typealias Sink = (This, Event) -> Void + + private let parent: Parent + fileprivate var sink: Sink + fileprivate var cancel: Disposable + + init(parent: Parent, cancel: Disposable, sink: @escaping Sink) { +#if TRACE_RESOURCES + _ = Resources.incrementTotal() +#endif + + self.parent = parent + self.sink = sink + self.cancel = cancel + } + + func on(_ event: Event) { + self.sink(self, event) + if event.isStopEvent { + self.cancel.dispose() + } + } + + deinit { +#if TRACE_RESOURCES + _ = Resources.decrementTotal() +#endif + } +} + +final private class AmbSink: Sink { + typealias Element = Observer.Element + typealias Parent = Amb + typealias AmbObserverType = AmbObserver + + private let parent: Parent + + private let lock = RecursiveLock() + // state + private var choice = AmbState.neither + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let disposeAll = Disposables.create(subscription1, subscription2) + + let forwardEvent = { (o: AmbObserverType, event: Event) -> Void in + self.forwardOn(event) + if event.isStopEvent { + self.dispose() + } + } + + let decide = { (o: AmbObserverType, event: Event, me: AmbState, otherSubscription: Disposable) in + self.lock.performLocked { + if self.choice == .neither { + self.choice = me + o.sink = forwardEvent + o.cancel = disposeAll + otherSubscription.dispose() + } + + if self.choice == me { + self.forwardOn(event) + if event.isStopEvent { + self.dispose() + } + } + } + } + + let sink1 = AmbObserver(parent: self, cancel: subscription1) { o, e in + decide(o, e, .left, subscription2) + } + + let sink2 = AmbObserver(parent: self, cancel: subscription1) { o, e in + decide(o, e, .right, subscription1) + } + + subscription1.setDisposable(self.parent.left.subscribe(sink1)) + subscription2.setDisposable(self.parent.right.subscribe(sink2)) + + return disposeAll + } +} + +final private class Amb: Producer { + fileprivate let left: Observable + fileprivate let right: Observable + + init(left: Observable, right: Observable) { + self.left = left + self.right = right + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = AmbSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/AsMaybe.swift b/Pods/RxSwift/RxSwift/Observables/AsMaybe.swift new file mode 100644 index 0000000..6fa6257 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/AsMaybe.swift @@ -0,0 +1,48 @@ +// +// AsMaybe.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/12/17. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +private final class AsMaybeSink : Sink, ObserverType { + typealias Element = Observer.Element + + private var element: Event? + + func on(_ event: Event) { + switch event { + case .next: + if self.element != nil { + self.forwardOn(.error(RxError.moreThanOneElement)) + self.dispose() + } + + self.element = event + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + if let element = self.element { + self.forwardOn(element) + } + self.forwardOn(.completed) + self.dispose() + } + } +} + +final class AsMaybe: Producer { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = AsMaybeSink(observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/AsSingle.swift b/Pods/RxSwift/RxSwift/Observables/AsSingle.swift new file mode 100644 index 0000000..b39932f --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/AsSingle.swift @@ -0,0 +1,51 @@ +// +// AsSingle.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/12/17. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +private final class AsSingleSink : Sink, ObserverType { + typealias Element = Observer.Element + + private var element: Event? + + func on(_ event: Event) { + switch event { + case .next: + if self.element != nil { + self.forwardOn(.error(RxError.moreThanOneElement)) + self.dispose() + } + + self.element = event + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + if let element = self.element { + self.forwardOn(element) + self.forwardOn(.completed) + } + else { + self.forwardOn(.error(RxError.noElements)) + } + self.dispose() + } + } +} + +final class AsSingle: Producer { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = AsSingleSink(observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Buffer.swift b/Pods/RxSwift/RxSwift/Observables/Buffer.swift new file mode 100644 index 0000000..087c4cf --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Buffer.swift @@ -0,0 +1,138 @@ +// +// Buffer.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/13/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Projects each element of an observable sequence into a buffer that's sent out when either it's full or a given amount of time has elapsed, using the specified scheduler to run timers. + + A useful real-world analogy of this overload is the behavior of a ferry leaving the dock when all seats are taken, or at the scheduled time of departure, whichever event occurs first. + + - seealso: [buffer operator on reactivex.io](http://reactivex.io/documentation/operators/buffer.html) + + - parameter timeSpan: Maximum time length of a buffer. + - parameter count: Maximum element count of a buffer. + - parameter scheduler: Scheduler to run buffering timers on. + - returns: An observable sequence of buffers. + */ + public func buffer(timeSpan: RxTimeInterval, count: Int, scheduler: SchedulerType) + -> Observable<[Element]> { + BufferTimeCount(source: self.asObservable(), timeSpan: timeSpan, count: count, scheduler: scheduler) + } +} + +final private class BufferTimeCount: Producer<[Element]> { + + fileprivate let timeSpan: RxTimeInterval + fileprivate let count: Int + fileprivate let scheduler: SchedulerType + fileprivate let source: Observable + + init(source: Observable, timeSpan: RxTimeInterval, count: Int, scheduler: SchedulerType) { + self.source = source + self.timeSpan = timeSpan + self.count = count + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == [Element] { + let sink = BufferTimeCountSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + +final private class BufferTimeCountSink + : Sink + , LockOwnerType + , ObserverType + , SynchronizedOnType where Observer.Element == [Element] { + typealias Parent = BufferTimeCount + + private let parent: Parent + + let lock = RecursiveLock() + + // state + private let timerD = SerialDisposable() + private var buffer = [Element]() + private var windowID = 0 + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + self.createTimer(self.windowID) + return Disposables.create(timerD, parent.source.subscribe(self)) + } + + func startNewWindowAndSendCurrentOne() { + self.windowID = self.windowID &+ 1 + let windowID = self.windowID + + let buffer = self.buffer + self.buffer = [] + self.forwardOn(.next(buffer)) + + self.createTimer(windowID) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next(let element): + self.buffer.append(element) + + if self.buffer.count == self.parent.count { + self.startNewWindowAndSendCurrentOne() + } + + case .error(let error): + self.buffer = [] + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.forwardOn(.next(self.buffer)) + self.forwardOn(.completed) + self.dispose() + } + } + + func createTimer(_ windowID: Int) { + if self.timerD.isDisposed { + return + } + + if self.windowID != windowID { + return + } + + let nextTimer = SingleAssignmentDisposable() + + self.timerD.disposable = nextTimer + + let disposable = self.parent.scheduler.scheduleRelative(windowID, dueTime: self.parent.timeSpan) { previousWindowID in + self.lock.performLocked { + if previousWindowID != self.windowID { + return + } + + self.startNewWindowAndSendCurrentOne() + } + + return Disposables.create() + } + + nextTimer.setDisposable(disposable) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Catch.swift b/Pods/RxSwift/RxSwift/Observables/Catch.swift new file mode 100644 index 0000000..2efd660 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Catch.swift @@ -0,0 +1,275 @@ +// +// Catch.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/19/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Continues an observable sequence that is terminated by an error with the observable sequence produced by the handler. + + - seealso: [catch operator on reactivex.io](http://reactivex.io/documentation/operators/catch.html) + + - parameter handler: Error handler function, producing another observable sequence. + - returns: An observable sequence containing the source sequence's elements, followed by the elements produced by the handler's resulting observable sequence in case an error occurred. + */ + public func `catch`(_ handler: @escaping (Swift.Error) throws -> Observable) + -> Observable { + Catch(source: self.asObservable(), handler: handler) + } + + /** + Continues an observable sequence that is terminated by an error with the observable sequence produced by the handler. + + - seealso: [catch operator on reactivex.io](http://reactivex.io/documentation/operators/catch.html) + + - parameter handler: Error handler function, producing another observable sequence. + - returns: An observable sequence containing the source sequence's elements, followed by the elements produced by the handler's resulting observable sequence in case an error occurred. + */ + @available(*, deprecated, renamed: "catch(_:)") + public func catchError(_ handler: @escaping (Swift.Error) throws -> Observable) + -> Observable { + `catch`(handler) + } + + /** + Continues an observable sequence that is terminated by an error with a single element. + + - seealso: [catch operator on reactivex.io](http://reactivex.io/documentation/operators/catch.html) + + - parameter element: Last element in an observable sequence in case error occurs. + - returns: An observable sequence containing the source sequence's elements, followed by the `element` in case an error occurred. + */ + public func catchAndReturn(_ element: Element) + -> Observable { + Catch(source: self.asObservable(), handler: { _ in Observable.just(element) }) + } + + /** + Continues an observable sequence that is terminated by an error with a single element. + + - seealso: [catch operator on reactivex.io](http://reactivex.io/documentation/operators/catch.html) + + - parameter element: Last element in an observable sequence in case error occurs. + - returns: An observable sequence containing the source sequence's elements, followed by the `element` in case an error occurred. + */ + @available(*, deprecated, renamed: "catchAndReturn(_:)") + public func catchErrorJustReturn(_ element: Element) + -> Observable { + catchAndReturn(element) + } +} + +extension ObservableType { + /** + Continues an observable sequence that is terminated by an error with the next observable sequence. + + - seealso: [catch operator on reactivex.io](http://reactivex.io/documentation/operators/catch.html) + + - returns: An observable sequence containing elements from consecutive source sequences until a source sequence terminates successfully. + */ + @available(*, deprecated, renamed: "catch(onSuccess:onFailure:onDisposed:)") + public static func catchError(_ sequence: Sequence) -> Observable + where Sequence.Element == Observable { + `catch`(sequence: sequence) + } + + /** + Continues an observable sequence that is terminated by an error with the next observable sequence. + + - seealso: [catch operator on reactivex.io](http://reactivex.io/documentation/operators/catch.html) + + - returns: An observable sequence containing elements from consecutive source sequences until a source sequence terminates successfully. + */ + public static func `catch`(sequence: Sequence) -> Observable + where Sequence.Element == Observable { + CatchSequence(sources: sequence) + } +} + +extension ObservableType { + + /** + Repeats the source observable sequence until it successfully terminates. + + **This could potentially create an infinite sequence.** + + - seealso: [retry operator on reactivex.io](http://reactivex.io/documentation/operators/retry.html) + + - returns: Observable sequence to repeat until it successfully terminates. + */ + public func retry() -> Observable { + CatchSequence(sources: InfiniteSequence(repeatedValue: self.asObservable())) + } + + /** + Repeats the source observable sequence the specified number of times in case of an error or until it successfully terminates. + + If you encounter an error and want it to retry once, then you must use `retry(2)` + + - seealso: [retry operator on reactivex.io](http://reactivex.io/documentation/operators/retry.html) + + - parameter maxAttemptCount: Maximum number of times to repeat the sequence. + - returns: An observable sequence producing the elements of the given sequence repeatedly until it terminates successfully. + */ + public func retry(_ maxAttemptCount: Int) + -> Observable { + CatchSequence(sources: Swift.repeatElement(self.asObservable(), count: maxAttemptCount)) + } +} + +// catch with callback + +final private class CatchSinkProxy: ObserverType { + typealias Element = Observer.Element + typealias Parent = CatchSink + + private let parent: Parent + + init(parent: Parent) { + self.parent = parent + } + + func on(_ event: Event) { + self.parent.forwardOn(event) + + switch event { + case .next: + break + case .error, .completed: + self.parent.dispose() + } + } +} + +final private class CatchSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = Catch + + private let parent: Parent + private let subscription = SerialDisposable() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let d1 = SingleAssignmentDisposable() + self.subscription.disposable = d1 + d1.setDisposable(self.parent.source.subscribe(self)) + + return self.subscription + } + + func on(_ event: Event) { + switch event { + case .next: + self.forwardOn(event) + case .completed: + self.forwardOn(event) + self.dispose() + case .error(let error): + do { + let catchSequence = try self.parent.handler(error) + + let observer = CatchSinkProxy(parent: self) + + self.subscription.disposable = catchSequence.subscribe(observer) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + } + } +} + +final private class Catch: Producer { + typealias Handler = (Swift.Error) throws -> Observable + + fileprivate let source: Observable + fileprivate let handler: Handler + + init(source: Observable, handler: @escaping Handler) { + self.source = source + self.handler = handler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = CatchSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + +// catch enumerable + +final private class CatchSequenceSink + : TailRecursiveSink + , ObserverType where Sequence.Element: ObservableConvertibleType, Sequence.Element.Element == Observer.Element { + typealias Element = Observer.Element + typealias Parent = CatchSequence + + private var lastError: Swift.Error? + + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next: + self.forwardOn(event) + case .error(let error): + self.lastError = error + self.schedule(.moveNext) + case .completed: + self.forwardOn(event) + self.dispose() + } + } + + override func subscribeToNext(_ source: Observable) -> Disposable { + source.subscribe(self) + } + + override func done() { + if let lastError = self.lastError { + self.forwardOn(.error(lastError)) + } + else { + self.forwardOn(.completed) + } + + self.dispose() + } + + override func extract(_ observable: Observable) -> SequenceGenerator? { + if let onError = observable as? CatchSequence { + return (onError.sources.makeIterator(), nil) + } + else { + return nil + } + } +} + +final private class CatchSequence: Producer where Sequence.Element: ObservableConvertibleType { + typealias Element = Sequence.Element.Element + + let sources: Sequence + + init(sources: Sequence) { + self.sources = sources + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = CatchSequenceSink(observer: observer, cancel: cancel) + let subscription = sink.run((self.sources.makeIterator(), nil)) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/CombineLatest+Collection.swift b/Pods/RxSwift/RxSwift/Observables/CombineLatest+Collection.swift new file mode 100644 index 0000000..4350851 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/CombineLatest+Collection.swift @@ -0,0 +1,165 @@ +// +// CombineLatest+Collection.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/29/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combinelatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest(_ collection: Collection, resultSelector: @escaping ([Collection.Element.Element]) throws -> Element) -> Observable + where Collection.Element: ObservableType { + CombineLatestCollectionType(sources: collection, resultSelector: resultSelector) + } + + /** + Merges the specified observable sequences into one observable sequence whenever any of the observable sequences produces an element. + + - seealso: [combinelatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest(_ collection: Collection) -> Observable<[Element]> + where Collection.Element: ObservableType, Collection.Element.Element == Element { + CombineLatestCollectionType(sources: collection, resultSelector: { $0 }) + } +} + +final private class CombineLatestCollectionTypeSink + : Sink where Collection.Element: ObservableConvertibleType { + typealias Result = Observer.Element + typealias Parent = CombineLatestCollectionType + typealias SourceElement = Collection.Element.Element + + let parent: Parent + + let lock = RecursiveLock() + + // state + var numberOfValues = 0 + var values: [SourceElement?] + var isDone: [Bool] + var numberOfDone = 0 + var subscriptions: [SingleAssignmentDisposable] + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.values = [SourceElement?](repeating: nil, count: parent.count) + self.isDone = [Bool](repeating: false, count: parent.count) + self.subscriptions = [SingleAssignmentDisposable]() + self.subscriptions.reserveCapacity(parent.count) + + for _ in 0 ..< parent.count { + self.subscriptions.append(SingleAssignmentDisposable()) + } + + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event, atIndex: Int) { + self.lock.lock(); defer { self.lock.unlock() } + switch event { + case .next(let element): + if self.values[atIndex] == nil { + self.numberOfValues += 1 + } + + self.values[atIndex] = element + + if self.numberOfValues < self.parent.count { + let numberOfOthersThatAreDone = self.numberOfDone - (self.isDone[atIndex] ? 1 : 0) + if numberOfOthersThatAreDone == self.parent.count - 1 { + self.forwardOn(.completed) + self.dispose() + } + return + } + + do { + let result = try self.parent.resultSelector(self.values.map { $0! }) + self.forwardOn(.next(result)) + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + case .completed: + if self.isDone[atIndex] { + return + } + + self.isDone[atIndex] = true + self.numberOfDone += 1 + + if self.numberOfDone == self.parent.count { + self.forwardOn(.completed) + self.dispose() + } + else { + self.subscriptions[atIndex].dispose() + } + } + } + + func run() -> Disposable { + var j = 0 + for i in self.parent.sources { + let index = j + let source = i.asObservable() + let disposable = source.subscribe(AnyObserver { event in + self.on(event, atIndex: index) + }) + + self.subscriptions[j].setDisposable(disposable) + + j += 1 + } + + if self.parent.sources.isEmpty { + do { + let result = try self.parent.resultSelector([]) + self.forwardOn(.next(result)) + self.forwardOn(.completed) + self.dispose() + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + } + + return Disposables.create(subscriptions) + } +} + +final private class CombineLatestCollectionType: Producer where Collection.Element: ObservableConvertibleType { + typealias ResultSelector = ([Collection.Element.Element]) throws -> Result + + let sources: Collection + let resultSelector: ResultSelector + let count: Int + + init(sources: Collection, resultSelector: @escaping ResultSelector) { + self.sources = sources + self.resultSelector = resultSelector + self.count = self.sources.count + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestCollectionTypeSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/CombineLatest+arity.swift b/Pods/RxSwift/RxSwift/Observables/CombineLatest+arity.swift new file mode 100644 index 0000000..e69bbab --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/CombineLatest+arity.swift @@ -0,0 +1,843 @@ +// This file is autogenerated. Take a look at `Preprocessor` target in RxSwift project +// +// CombineLatest+arity.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/22/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + + + +// 2 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, resultSelector: @escaping (O1.Element, O2.Element) throws -> Element) + -> Observable { + return CombineLatest2( + source1: source1.asObservable(), source2: source2.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2) + -> Observable<(O1.Element, O2.Element)> { + return CombineLatest2( + source1: source1.asObservable(), source2: source2.asObservable(), + resultSelector: { ($0, $1) } + ) + } +} + +final class CombineLatestSink2_ : CombineLatestSink { + typealias Result = Observer.Element + typealias Parent = CombineLatest2 + + let parent: Parent + + var latestElement1: E1! = nil + var latestElement2: E2! = nil + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 2, observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + + let observer1 = CombineLatestObserver(lock: self.lock, parent: self, index: 0, setLatestValue: { (e: E1) -> Void in self.latestElement1 = e }, this: subscription1) + let observer2 = CombineLatestObserver(lock: self.lock, parent: self, index: 1, setLatestValue: { (e: E2) -> Void in self.latestElement2 = e }, this: subscription2) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + + return Disposables.create([ + subscription1, + subscription2 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.latestElement1, self.latestElement2) + } +} + +final class CombineLatest2 : Producer { + typealias ResultSelector = (E1, E2) throws -> Result + + let source1: Observable + let source2: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestSink2_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 3 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, resultSelector: @escaping (O1.Element, O2.Element, O3.Element) throws -> Element) + -> Observable { + return CombineLatest3( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3) + -> Observable<(O1.Element, O2.Element, O3.Element)> { + return CombineLatest3( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), + resultSelector: { ($0, $1, $2) } + ) + } +} + +final class CombineLatestSink3_ : CombineLatestSink { + typealias Result = Observer.Element + typealias Parent = CombineLatest3 + + let parent: Parent + + var latestElement1: E1! = nil + var latestElement2: E2! = nil + var latestElement3: E3! = nil + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 3, observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + + let observer1 = CombineLatestObserver(lock: self.lock, parent: self, index: 0, setLatestValue: { (e: E1) -> Void in self.latestElement1 = e }, this: subscription1) + let observer2 = CombineLatestObserver(lock: self.lock, parent: self, index: 1, setLatestValue: { (e: E2) -> Void in self.latestElement2 = e }, this: subscription2) + let observer3 = CombineLatestObserver(lock: self.lock, parent: self, index: 2, setLatestValue: { (e: E3) -> Void in self.latestElement3 = e }, this: subscription3) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.latestElement1, self.latestElement2, self.latestElement3) + } +} + +final class CombineLatest3 : Producer { + typealias ResultSelector = (E1, E2, E3) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestSink3_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 4 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element) throws -> Element) + -> Observable { + return CombineLatest4( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element)> { + return CombineLatest4( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), + resultSelector: { ($0, $1, $2, $3) } + ) + } +} + +final class CombineLatestSink4_ : CombineLatestSink { + typealias Result = Observer.Element + typealias Parent = CombineLatest4 + + let parent: Parent + + var latestElement1: E1! = nil + var latestElement2: E2! = nil + var latestElement3: E3! = nil + var latestElement4: E4! = nil + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 4, observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + + let observer1 = CombineLatestObserver(lock: self.lock, parent: self, index: 0, setLatestValue: { (e: E1) -> Void in self.latestElement1 = e }, this: subscription1) + let observer2 = CombineLatestObserver(lock: self.lock, parent: self, index: 1, setLatestValue: { (e: E2) -> Void in self.latestElement2 = e }, this: subscription2) + let observer3 = CombineLatestObserver(lock: self.lock, parent: self, index: 2, setLatestValue: { (e: E3) -> Void in self.latestElement3 = e }, this: subscription3) + let observer4 = CombineLatestObserver(lock: self.lock, parent: self, index: 3, setLatestValue: { (e: E4) -> Void in self.latestElement4 = e }, this: subscription4) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.latestElement1, self.latestElement2, self.latestElement3, self.latestElement4) + } +} + +final class CombineLatest4 : Producer { + typealias ResultSelector = (E1, E2, E3, E4) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestSink4_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 5 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element) throws -> Element) + -> Observable { + return CombineLatest5( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element)> { + return CombineLatest5( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4) } + ) + } +} + +final class CombineLatestSink5_ : CombineLatestSink { + typealias Result = Observer.Element + typealias Parent = CombineLatest5 + + let parent: Parent + + var latestElement1: E1! = nil + var latestElement2: E2! = nil + var latestElement3: E3! = nil + var latestElement4: E4! = nil + var latestElement5: E5! = nil + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 5, observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + + let observer1 = CombineLatestObserver(lock: self.lock, parent: self, index: 0, setLatestValue: { (e: E1) -> Void in self.latestElement1 = e }, this: subscription1) + let observer2 = CombineLatestObserver(lock: self.lock, parent: self, index: 1, setLatestValue: { (e: E2) -> Void in self.latestElement2 = e }, this: subscription2) + let observer3 = CombineLatestObserver(lock: self.lock, parent: self, index: 2, setLatestValue: { (e: E3) -> Void in self.latestElement3 = e }, this: subscription3) + let observer4 = CombineLatestObserver(lock: self.lock, parent: self, index: 3, setLatestValue: { (e: E4) -> Void in self.latestElement4 = e }, this: subscription4) + let observer5 = CombineLatestObserver(lock: self.lock, parent: self, index: 4, setLatestValue: { (e: E5) -> Void in self.latestElement5 = e }, this: subscription5) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.latestElement1, self.latestElement2, self.latestElement3, self.latestElement4, self.latestElement5) + } +} + +final class CombineLatest5 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestSink5_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 6 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element) throws -> Element) + -> Observable { + return CombineLatest6( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element)> { + return CombineLatest6( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4, $5) } + ) + } +} + +final class CombineLatestSink6_ : CombineLatestSink { + typealias Result = Observer.Element + typealias Parent = CombineLatest6 + + let parent: Parent + + var latestElement1: E1! = nil + var latestElement2: E2! = nil + var latestElement3: E3! = nil + var latestElement4: E4! = nil + var latestElement5: E5! = nil + var latestElement6: E6! = nil + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 6, observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + let subscription6 = SingleAssignmentDisposable() + + let observer1 = CombineLatestObserver(lock: self.lock, parent: self, index: 0, setLatestValue: { (e: E1) -> Void in self.latestElement1 = e }, this: subscription1) + let observer2 = CombineLatestObserver(lock: self.lock, parent: self, index: 1, setLatestValue: { (e: E2) -> Void in self.latestElement2 = e }, this: subscription2) + let observer3 = CombineLatestObserver(lock: self.lock, parent: self, index: 2, setLatestValue: { (e: E3) -> Void in self.latestElement3 = e }, this: subscription3) + let observer4 = CombineLatestObserver(lock: self.lock, parent: self, index: 3, setLatestValue: { (e: E4) -> Void in self.latestElement4 = e }, this: subscription4) + let observer5 = CombineLatestObserver(lock: self.lock, parent: self, index: 4, setLatestValue: { (e: E5) -> Void in self.latestElement5 = e }, this: subscription5) + let observer6 = CombineLatestObserver(lock: self.lock, parent: self, index: 5, setLatestValue: { (e: E6) -> Void in self.latestElement6 = e }, this: subscription6) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + subscription6.setDisposable(self.parent.source6.subscribe(observer6)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5, + subscription6 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.latestElement1, self.latestElement2, self.latestElement3, self.latestElement4, self.latestElement5, self.latestElement6) + } +} + +final class CombineLatest6 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5, E6) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + let source6: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, source6: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + self.source6 = source6 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestSink6_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 7 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element) throws -> Element) + -> Observable { + return CombineLatest7( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element)> { + return CombineLatest7( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4, $5, $6) } + ) + } +} + +final class CombineLatestSink7_ : CombineLatestSink { + typealias Result = Observer.Element + typealias Parent = CombineLatest7 + + let parent: Parent + + var latestElement1: E1! = nil + var latestElement2: E2! = nil + var latestElement3: E3! = nil + var latestElement4: E4! = nil + var latestElement5: E5! = nil + var latestElement6: E6! = nil + var latestElement7: E7! = nil + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 7, observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + let subscription6 = SingleAssignmentDisposable() + let subscription7 = SingleAssignmentDisposable() + + let observer1 = CombineLatestObserver(lock: self.lock, parent: self, index: 0, setLatestValue: { (e: E1) -> Void in self.latestElement1 = e }, this: subscription1) + let observer2 = CombineLatestObserver(lock: self.lock, parent: self, index: 1, setLatestValue: { (e: E2) -> Void in self.latestElement2 = e }, this: subscription2) + let observer3 = CombineLatestObserver(lock: self.lock, parent: self, index: 2, setLatestValue: { (e: E3) -> Void in self.latestElement3 = e }, this: subscription3) + let observer4 = CombineLatestObserver(lock: self.lock, parent: self, index: 3, setLatestValue: { (e: E4) -> Void in self.latestElement4 = e }, this: subscription4) + let observer5 = CombineLatestObserver(lock: self.lock, parent: self, index: 4, setLatestValue: { (e: E5) -> Void in self.latestElement5 = e }, this: subscription5) + let observer6 = CombineLatestObserver(lock: self.lock, parent: self, index: 5, setLatestValue: { (e: E6) -> Void in self.latestElement6 = e }, this: subscription6) + let observer7 = CombineLatestObserver(lock: self.lock, parent: self, index: 6, setLatestValue: { (e: E7) -> Void in self.latestElement7 = e }, this: subscription7) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + subscription6.setDisposable(self.parent.source6.subscribe(observer6)) + subscription7.setDisposable(self.parent.source7.subscribe(observer7)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5, + subscription6, + subscription7 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.latestElement1, self.latestElement2, self.latestElement3, self.latestElement4, self.latestElement5, self.latestElement6, self.latestElement7) + } +} + +final class CombineLatest7 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5, E6, E7) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + let source6: Observable + let source7: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, source6: Observable, source7: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + self.source6 = source6 + self.source7 = source7 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestSink7_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 8 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - parameter resultSelector: Function to invoke whenever any of the sources produces an element. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7, _ source8: O8, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element, O8.Element) throws -> Element) + -> Observable { + return CombineLatest8( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), source8: source8.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever any of the observable sequences produces an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func combineLatest + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7, _ source8: O8) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element, O8.Element)> { + return CombineLatest8( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), source8: source8.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4, $5, $6, $7) } + ) + } +} + +final class CombineLatestSink8_ : CombineLatestSink { + typealias Result = Observer.Element + typealias Parent = CombineLatest8 + + let parent: Parent + + var latestElement1: E1! = nil + var latestElement2: E2! = nil + var latestElement3: E3! = nil + var latestElement4: E4! = nil + var latestElement5: E5! = nil + var latestElement6: E6! = nil + var latestElement7: E7! = nil + var latestElement8: E8! = nil + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 8, observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + let subscription6 = SingleAssignmentDisposable() + let subscription7 = SingleAssignmentDisposable() + let subscription8 = SingleAssignmentDisposable() + + let observer1 = CombineLatestObserver(lock: self.lock, parent: self, index: 0, setLatestValue: { (e: E1) -> Void in self.latestElement1 = e }, this: subscription1) + let observer2 = CombineLatestObserver(lock: self.lock, parent: self, index: 1, setLatestValue: { (e: E2) -> Void in self.latestElement2 = e }, this: subscription2) + let observer3 = CombineLatestObserver(lock: self.lock, parent: self, index: 2, setLatestValue: { (e: E3) -> Void in self.latestElement3 = e }, this: subscription3) + let observer4 = CombineLatestObserver(lock: self.lock, parent: self, index: 3, setLatestValue: { (e: E4) -> Void in self.latestElement4 = e }, this: subscription4) + let observer5 = CombineLatestObserver(lock: self.lock, parent: self, index: 4, setLatestValue: { (e: E5) -> Void in self.latestElement5 = e }, this: subscription5) + let observer6 = CombineLatestObserver(lock: self.lock, parent: self, index: 5, setLatestValue: { (e: E6) -> Void in self.latestElement6 = e }, this: subscription6) + let observer7 = CombineLatestObserver(lock: self.lock, parent: self, index: 6, setLatestValue: { (e: E7) -> Void in self.latestElement7 = e }, this: subscription7) + let observer8 = CombineLatestObserver(lock: self.lock, parent: self, index: 7, setLatestValue: { (e: E8) -> Void in self.latestElement8 = e }, this: subscription8) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + subscription6.setDisposable(self.parent.source6.subscribe(observer6)) + subscription7.setDisposable(self.parent.source7.subscribe(observer7)) + subscription8.setDisposable(self.parent.source8.subscribe(observer8)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5, + subscription6, + subscription7, + subscription8 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.latestElement1, self.latestElement2, self.latestElement3, self.latestElement4, self.latestElement5, self.latestElement6, self.latestElement7, self.latestElement8) + } +} + +final class CombineLatest8 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5, E6, E7, E8) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + let source6: Observable + let source7: Observable + let source8: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, source6: Observable, source7: Observable, source8: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + self.source6 = source6 + self.source7 = source7 + self.source8 = source8 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = CombineLatestSink8_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + diff --git a/Pods/RxSwift/RxSwift/Observables/CombineLatest.swift b/Pods/RxSwift/RxSwift/Observables/CombineLatest.swift new file mode 100644 index 0000000..caa0256 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/CombineLatest.swift @@ -0,0 +1,131 @@ +// +// CombineLatest.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/21/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol CombineLatestProtocol: AnyObject { + func next(_ index: Int) + func fail(_ error: Swift.Error) + func done(_ index: Int) +} + +class CombineLatestSink + : Sink + , CombineLatestProtocol { + typealias Element = Observer.Element + + let lock = RecursiveLock() + + private let arity: Int + private var numberOfValues = 0 + private var numberOfDone = 0 + private var hasValue: [Bool] + private var isDone: [Bool] + + init(arity: Int, observer: Observer, cancel: Cancelable) { + self.arity = arity + self.hasValue = [Bool](repeating: false, count: arity) + self.isDone = [Bool](repeating: false, count: arity) + + super.init(observer: observer, cancel: cancel) + } + + func getResult() throws -> Element { + rxAbstractMethod() + } + + func next(_ index: Int) { + if !self.hasValue[index] { + self.hasValue[index] = true + self.numberOfValues += 1 + } + + if self.numberOfValues == self.arity { + do { + let result = try self.getResult() + self.forwardOn(.next(result)) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + } + else { + var allOthersDone = true + + for i in 0 ..< self.arity { + if i != index && !self.isDone[i] { + allOthersDone = false + break + } + } + + if allOthersDone { + self.forwardOn(.completed) + self.dispose() + } + } + } + + func fail(_ error: Swift.Error) { + self.forwardOn(.error(error)) + self.dispose() + } + + func done(_ index: Int) { + if self.isDone[index] { + return + } + + self.isDone[index] = true + self.numberOfDone += 1 + + if self.numberOfDone == self.arity { + self.forwardOn(.completed) + self.dispose() + } + } +} + +final class CombineLatestObserver + : ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias ValueSetter = (Element) -> Void + + private let parent: CombineLatestProtocol + + let lock: RecursiveLock + private let index: Int + private let this: Disposable + private let setLatestValue: ValueSetter + + init(lock: RecursiveLock, parent: CombineLatestProtocol, index: Int, setLatestValue: @escaping ValueSetter, this: Disposable) { + self.lock = lock + self.parent = parent + self.index = index + self.this = this + self.setLatestValue = setLatestValue + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next(let value): + self.setLatestValue(value) + self.parent.next(self.index) + case .error(let error): + self.this.dispose() + self.parent.fail(error) + case .completed: + self.this.dispose() + self.parent.done(self.index) + } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/CompactMap.swift b/Pods/RxSwift/RxSwift/Observables/CompactMap.swift new file mode 100644 index 0000000..7dbcdfb --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/CompactMap.swift @@ -0,0 +1,76 @@ +// +// CompactMap.swift +// RxSwift +// +// Created by Michael Long on 04/09/2019. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Projects each element of an observable sequence into an optional form and filters all optional results. + + - parameter transform: A transform function to apply to each source element and which returns an element or nil. + - returns: An observable sequence whose elements are the result of filtering the transform function for each element of the source. + + */ + public func compactMap(_ transform: @escaping (Element) throws -> Result?) + -> Observable { + CompactMap(source: self.asObservable(), transform: transform) + } +} + +final private class CompactMapSink: Sink, ObserverType { + typealias Transform = (SourceType) throws -> ResultType? + + typealias ResultType = Observer.Element + typealias Element = SourceType + + private let transform: Transform + + init(transform: @escaping Transform, observer: Observer, cancel: Cancelable) { + self.transform = transform + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let element): + do { + if let mappedElement = try self.transform(element) { + self.forwardOn(.next(mappedElement)) + } + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.forwardOn(.completed) + self.dispose() + } + } +} + +final private class CompactMap: Producer { + typealias Transform = (SourceType) throws -> ResultType? + + private let source: Observable + + private let transform: Transform + + init(source: Observable, transform: @escaping Transform) { + self.source = source + self.transform = transform + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == ResultType { + let sink = CompactMapSink(transform: self.transform, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Concat.swift b/Pods/RxSwift/RxSwift/Observables/Concat.swift new file mode 100644 index 0000000..b2fb1a2 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Concat.swift @@ -0,0 +1,131 @@ +// +// Concat.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/21/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Concatenates the second observable sequence to `self` upon successful termination of `self`. + + - seealso: [concat operator on reactivex.io](http://reactivex.io/documentation/operators/concat.html) + + - parameter second: Second observable sequence. + - returns: An observable sequence that contains the elements of `self`, followed by those of the second sequence. + */ + public func concat(_ second: Source) -> Observable where Source.Element == Element { + Observable.concat([self.asObservable(), second.asObservable()]) + } +} + +extension ObservableType { + /** + Concatenates all observable sequences in the given sequence, as long as the previous observable sequence terminated successfully. + + This operator has tail recursive optimizations that will prevent stack overflow. + + Optimizations will be performed in cases equivalent to following: + + [1, [2, [3, .....].concat()].concat].concat() + + - seealso: [concat operator on reactivex.io](http://reactivex.io/documentation/operators/concat.html) + + - returns: An observable sequence that contains the elements of each given sequence, in sequential order. + */ + public static func concat(_ sequence: Sequence) -> Observable + where Sequence.Element == Observable { + return Concat(sources: sequence, count: nil) + } + + /** + Concatenates all observable sequences in the given collection, as long as the previous observable sequence terminated successfully. + + This operator has tail recursive optimizations that will prevent stack overflow. + + Optimizations will be performed in cases equivalent to following: + + [1, [2, [3, .....].concat()].concat].concat() + + - seealso: [concat operator on reactivex.io](http://reactivex.io/documentation/operators/concat.html) + + - returns: An observable sequence that contains the elements of each given sequence, in sequential order. + */ + public static func concat(_ collection: Collection) -> Observable + where Collection.Element == Observable { + return Concat(sources: collection, count: Int64(collection.count)) + } + + /** + Concatenates all observable sequences in the given collection, as long as the previous observable sequence terminated successfully. + + This operator has tail recursive optimizations that will prevent stack overflow. + + Optimizations will be performed in cases equivalent to following: + + [1, [2, [3, .....].concat()].concat].concat() + + - seealso: [concat operator on reactivex.io](http://reactivex.io/documentation/operators/concat.html) + + - returns: An observable sequence that contains the elements of each given sequence, in sequential order. + */ + public static func concat(_ sources: Observable ...) -> Observable { + Concat(sources: sources, count: Int64(sources.count)) + } +} + +final private class ConcatSink + : TailRecursiveSink + , ObserverType where Sequence.Element: ObservableConvertibleType, Sequence.Element.Element == Observer.Element { + typealias Element = Observer.Element + + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event){ + switch event { + case .next: + self.forwardOn(event) + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + self.schedule(.moveNext) + } + } + + override func subscribeToNext(_ source: Observable) -> Disposable { + source.subscribe(self) + } + + override func extract(_ observable: Observable) -> SequenceGenerator? { + if let source = observable as? Concat { + return (source.sources.makeIterator(), source.count) + } + else { + return nil + } + } +} + +final private class Concat: Producer where Sequence.Element: ObservableConvertibleType { + typealias Element = Sequence.Element.Element + + fileprivate let sources: Sequence + fileprivate let count: IntMax? + + init(sources: Sequence, count: IntMax?) { + self.sources = sources + self.count = count + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = ConcatSink(observer: observer, cancel: cancel) + let subscription = sink.run((self.sources.makeIterator(), self.count)) + return (sink: sink, subscription: subscription) + } +} + diff --git a/Pods/RxSwift/RxSwift/Observables/Create.swift b/Pods/RxSwift/RxSwift/Observables/Create.swift new file mode 100644 index 0000000..ca81442 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Create.swift @@ -0,0 +1,78 @@ +// +// Create.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + // MARK: create + + /** + Creates an observable sequence from a specified subscribe method implementation. + + - seealso: [create operator on reactivex.io](http://reactivex.io/documentation/operators/create.html) + + - parameter subscribe: Implementation of the resulting observable sequence's `subscribe` method. + - returns: The observable sequence with the specified implementation for the `subscribe` method. + */ + public static func create(_ subscribe: @escaping (AnyObserver) -> Disposable) -> Observable { + AnonymousObservable(subscribe) + } +} + +final private class AnonymousObservableSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = AnonymousObservable + + // state + private let isStopped = AtomicInt(0) + + #if DEBUG + private let synchronizationTracker = SynchronizationTracker() + #endif + + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + #if DEBUG + self.synchronizationTracker.register(synchronizationErrorMessage: .default) + defer { self.synchronizationTracker.unregister() } + #endif + switch event { + case .next: + if load(self.isStopped) == 1 { + return + } + self.forwardOn(event) + case .error, .completed: + if fetchOr(self.isStopped, 1) == 0 { + self.forwardOn(event) + self.dispose() + } + } + } + + func run(_ parent: Parent) -> Disposable { + parent.subscribeHandler(AnyObserver(self)) + } +} + +final private class AnonymousObservable: Producer { + typealias SubscribeHandler = (AnyObserver) -> Disposable + + let subscribeHandler: SubscribeHandler + + init(_ subscribeHandler: @escaping SubscribeHandler) { + self.subscribeHandler = subscribeHandler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = AnonymousObservableSink(observer: observer, cancel: cancel) + let subscription = sink.run(self) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Debounce.swift b/Pods/RxSwift/RxSwift/Observables/Debounce.swift new file mode 100644 index 0000000..dfab004 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Debounce.swift @@ -0,0 +1,119 @@ +// +// Debounce.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/11/16. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Ignores elements from an observable sequence which are followed by another element within a specified relative time duration, using the specified scheduler to run throttling timers. + + - seealso: [debounce operator on reactivex.io](http://reactivex.io/documentation/operators/debounce.html) + + - parameter dueTime: Throttling duration for each element. + - parameter scheduler: Scheduler to run the throttle timers on. + - returns: The throttled sequence. + */ + public func debounce(_ dueTime: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + return Debounce(source: self.asObservable(), dueTime: dueTime, scheduler: scheduler) + } +} + +final private class DebounceSink + : Sink + , ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias Element = Observer.Element + typealias ParentType = Debounce + + private let parent: ParentType + + let lock = RecursiveLock() + + // state + private var id = 0 as UInt64 + private var value: Element? + + let cancellable = SerialDisposable() + + init(parent: ParentType, observer: Observer, cancel: Cancelable) { + self.parent = parent + + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription = self.parent.source.subscribe(self) + + return Disposables.create(subscription, cancellable) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next(let element): + self.id = self.id &+ 1 + let currentId = self.id + self.value = element + + + let scheduler = self.parent.scheduler + let dueTime = self.parent.dueTime + + let d = SingleAssignmentDisposable() + self.cancellable.disposable = d + d.setDisposable(scheduler.scheduleRelative(currentId, dueTime: dueTime, action: self.propagate)) + case .error: + self.value = nil + self.forwardOn(event) + self.dispose() + case .completed: + if let value = self.value { + self.value = nil + self.forwardOn(.next(value)) + } + self.forwardOn(.completed) + self.dispose() + } + } + + func propagate(_ currentId: UInt64) -> Disposable { + self.lock.performLocked { + let originalValue = self.value + + if let value = originalValue, self.id == currentId { + self.value = nil + self.forwardOn(.next(value)) + } + + return Disposables.create() + } + } +} + +final private class Debounce: Producer { + fileprivate let source: Observable + fileprivate let dueTime: RxTimeInterval + fileprivate let scheduler: SchedulerType + + init(source: Observable, dueTime: RxTimeInterval, scheduler: SchedulerType) { + self.source = source + self.dueTime = dueTime + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = DebounceSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } + +} diff --git a/Pods/RxSwift/RxSwift/Observables/Debug.swift b/Pods/RxSwift/RxSwift/Observables/Debug.swift new file mode 100644 index 0000000..762e394 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Debug.swift @@ -0,0 +1,102 @@ +// +// Debug.swift +// RxSwift +// +// Created by Krunoslav Zaher on 5/2/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +extension ObservableType { + + /** + Prints received events for all observers on standard output. + + - seealso: [do operator on reactivex.io](http://reactivex.io/documentation/operators/do.html) + + - parameter identifier: Identifier that is printed together with event description to standard output. + - parameter trimOutput: Should output be trimmed to max 40 characters. + - returns: An observable sequence whose events are printed to standard output. + */ + public func debug(_ identifier: String? = nil, trimOutput: Bool = false, file: String = #file, line: UInt = #line, function: String = #function) + -> Observable { + return Debug(source: self, identifier: identifier, trimOutput: trimOutput, file: file, line: line, function: function) + } +} + +private let dateFormat = "yyyy-MM-dd HH:mm:ss.SSS" + +private func logEvent(_ identifier: String, dateFormat: DateFormatter, content: String) { + print("\(dateFormat.string(from: Date())): \(identifier) -> \(content)") +} + +final private class DebugSink: Sink, ObserverType where Observer.Element == Source.Element { + typealias Element = Observer.Element + typealias Parent = Debug + + private let parent: Parent + private let timestampFormatter = DateFormatter() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.timestampFormatter.dateFormat = dateFormat + + logEvent(self.parent.identifier, dateFormat: self.timestampFormatter, content: "subscribed") + + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + let maxEventTextLength = 40 + let eventText = "\(event)" + + let eventNormalized = (eventText.count > maxEventTextLength) && self.parent.trimOutput + ? String(eventText.prefix(maxEventTextLength / 2)) + "..." + String(eventText.suffix(maxEventTextLength / 2)) + : eventText + + logEvent(self.parent.identifier, dateFormat: self.timestampFormatter, content: "Event \(eventNormalized)") + + self.forwardOn(event) + if event.isStopEvent { + self.dispose() + } + } + + override func dispose() { + if !self.isDisposed { + logEvent(self.parent.identifier, dateFormat: self.timestampFormatter, content: "isDisposed") + } + super.dispose() + } +} + +final private class Debug: Producer { + fileprivate let identifier: String + fileprivate let trimOutput: Bool + private let source: Source + + init(source: Source, identifier: String?, trimOutput: Bool, file: String, line: UInt, function: String) { + self.trimOutput = trimOutput + if let identifier = identifier { + self.identifier = identifier + } + else { + let trimmedFile: String + if let lastIndex = file.lastIndex(of: "/") { + trimmedFile = String(file[file.index(after: lastIndex) ..< file.endIndex]) + } + else { + trimmedFile = file + } + self.identifier = "\(trimmedFile):\(line) (\(function))" + } + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Source.Element { + let sink = DebugSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Decode.swift b/Pods/RxSwift/RxSwift/Observables/Decode.swift new file mode 100644 index 0000000..8bc7342 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Decode.swift @@ -0,0 +1,34 @@ +// +// Decode.swift +// RxSwift +// +// Created by Shai Mishali on 24/07/2020. +// Copyright © 2020 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +public extension ObservableType where Element == Data { + /// Attempt to decode the emitted `Data` using a provided decoder. + /// + /// - parameter type: A `Decodable`-conforming type to attempt to decode to + /// - parameter decoder: A capable decoder, e.g. `JSONDecoder` or `PropertyListDecoder` + /// + /// - note: If using a custom decoder, it must conform to the `DataDecoder` protocol. + /// + /// - returns: An `Observable` of the decoded type + func decode(type: Item.Type, + decoder: Decoder) -> Observable { + map { try decoder.decode(type, from: $0) } + } +} + +/// Represents an entity capable of decoding raw `Data` +/// into a concrete `Decodable` type +public protocol DataDecoder { + func decode(_ type: Item.Type, from data: Data) throws -> Item +} + +extension JSONDecoder: DataDecoder {} +extension PropertyListDecoder: DataDecoder {} diff --git a/Pods/RxSwift/RxSwift/Observables/DefaultIfEmpty.swift b/Pods/RxSwift/RxSwift/Observables/DefaultIfEmpty.swift new file mode 100644 index 0000000..8d133d8 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/DefaultIfEmpty.swift @@ -0,0 +1,66 @@ +// +// DefaultIfEmpty.swift +// RxSwift +// +// Created by sergdort on 23/12/2016. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Emits elements from the source observable sequence, or a default element if the source observable sequence is empty. + + - seealso: [DefaultIfEmpty operator on reactivex.io](http://reactivex.io/documentation/operators/defaultifempty.html) + + - parameter default: Default element to be sent if the source does not emit any elements + - returns: An observable sequence which emits default element end completes in case the original sequence is empty + */ + public func ifEmpty(default: Element) -> Observable { + DefaultIfEmpty(source: self.asObservable(), default: `default`) + } +} + +final private class DefaultIfEmptySink: Sink, ObserverType { + typealias Element = Observer.Element + private let `default`: Element + private var isEmpty = true + + init(default: Element, observer: Observer, cancel: Cancelable) { + self.default = `default` + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next: + self.isEmpty = false + self.forwardOn(event) + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + if self.isEmpty { + self.forwardOn(.next(self.default)) + } + self.forwardOn(.completed) + self.dispose() + } + } +} + +final private class DefaultIfEmpty: Producer { + private let source: Observable + private let `default`: SourceType + + init(source: Observable, `default`: SourceType) { + self.source = source + self.default = `default` + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == SourceType { + let sink = DefaultIfEmptySink(default: self.default, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Deferred.swift b/Pods/RxSwift/RxSwift/Observables/Deferred.swift new file mode 100644 index 0000000..b81cb16 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Deferred.swift @@ -0,0 +1,75 @@ +// +// Deferred.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/19/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns an observable sequence that invokes the specified factory function whenever a new observer subscribes. + + - seealso: [defer operator on reactivex.io](http://reactivex.io/documentation/operators/defer.html) + + - parameter observableFactory: Observable factory function to invoke for each observer that subscribes to the resulting sequence. + - returns: An observable sequence whose observers trigger an invocation of the given observable factory function. + */ + public static func deferred(_ observableFactory: @escaping () throws -> Observable) + -> Observable { + Deferred(observableFactory: observableFactory) + } +} + +final private class DeferredSink: Sink, ObserverType where Source.Element == Observer.Element { + typealias Element = Observer.Element + + private let observableFactory: () throws -> Source + + init(observableFactory: @escaping () throws -> Source, observer: Observer, cancel: Cancelable) { + self.observableFactory = observableFactory + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + do { + let result = try self.observableFactory() + return result.subscribe(self) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + return Disposables.create() + } + } + + func on(_ event: Event) { + self.forwardOn(event) + + switch event { + case .next: + break + case .error: + self.dispose() + case .completed: + self.dispose() + } + } +} + +final private class Deferred: Producer { + typealias Factory = () throws -> Source + + private let observableFactory : Factory + + init(observableFactory: @escaping Factory) { + self.observableFactory = observableFactory + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) + where Observer.Element == Source.Element { + let sink = DeferredSink(observableFactory: self.observableFactory, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Delay.swift b/Pods/RxSwift/RxSwift/Observables/Delay.swift new file mode 100644 index 0000000..9f71c32 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Delay.swift @@ -0,0 +1,174 @@ +// +// Delay.swift +// RxSwift +// +// Created by tarunon on 2016/02/09. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +extension ObservableType { + + /** + Returns an observable sequence by the source observable sequence shifted forward in time by a specified delay. Error events from the source observable sequence are not delayed. + + - seealso: [delay operator on reactivex.io](http://reactivex.io/documentation/operators/delay.html) + + - parameter dueTime: Relative time shift of the source by. + - parameter scheduler: Scheduler to run the subscription delay timer on. + - returns: the source Observable shifted in time by the specified delay. + */ + public func delay(_ dueTime: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + return Delay(source: self.asObservable(), dueTime: dueTime, scheduler: scheduler) + } +} + +final private class DelaySink + : Sink + , ObserverType { + typealias Element = Observer.Element + typealias Source = Observable + typealias DisposeKey = Bag.KeyType + + private let lock = RecursiveLock() + + private let dueTime: RxTimeInterval + private let scheduler: SchedulerType + + private let sourceSubscription = SingleAssignmentDisposable() + private let cancelable = SerialDisposable() + + // is scheduled some action + private var active = false + // is "run loop" on different scheduler running + private var running = false + private var errorEvent: Event? + + // state + private var queue = Queue<(eventTime: RxTime, event: Event)>(capacity: 0) + + init(observer: Observer, dueTime: RxTimeInterval, scheduler: SchedulerType, cancel: Cancelable) { + self.dueTime = dueTime + self.scheduler = scheduler + super.init(observer: observer, cancel: cancel) + } + + // All of these complications in this method are caused by the fact that + // error should be propagated immediately. Error can be potentially received on different + // scheduler so this process needs to be synchronized somehow. + // + // Another complication is that scheduler is potentially concurrent so internal queue is used. + func drainQueue(state: (), scheduler: AnyRecursiveScheduler<()>) { + self.lock.lock() + let hasFailed = self.errorEvent != nil + if !hasFailed { + self.running = true + } + self.lock.unlock() + + if hasFailed { + return + } + + var ranAtLeastOnce = false + + while true { + self.lock.lock() + let errorEvent = self.errorEvent + + let eventToForwardImmediately = ranAtLeastOnce ? nil : self.queue.dequeue()?.event + let nextEventToScheduleOriginalTime: Date? = ranAtLeastOnce && !self.queue.isEmpty ? self.queue.peek().eventTime : nil + + if errorEvent == nil { + if eventToForwardImmediately != nil { + } + else if nextEventToScheduleOriginalTime != nil { + self.running = false + } + else { + self.running = false + self.active = false + } + } + self.lock.unlock() + + if let errorEvent = errorEvent { + self.forwardOn(errorEvent) + self.dispose() + return + } + else { + if let eventToForwardImmediately = eventToForwardImmediately { + ranAtLeastOnce = true + self.forwardOn(eventToForwardImmediately) + if case .completed = eventToForwardImmediately { + self.dispose() + return + } + } + else if let nextEventToScheduleOriginalTime = nextEventToScheduleOriginalTime { + scheduler.schedule((), dueTime: self.dueTime.reduceWithSpanBetween(earlierDate: nextEventToScheduleOriginalTime, laterDate: self.scheduler.now)) + return + } + else { + return + } + } + } + } + + func on(_ event: Event) { + if event.isStopEvent { + self.sourceSubscription.dispose() + } + + switch event { + case .error: + self.lock.lock() + let shouldSendImmediately = !self.running + self.queue = Queue(capacity: 0) + self.errorEvent = event + self.lock.unlock() + + if shouldSendImmediately { + self.forwardOn(event) + self.dispose() + } + default: + self.lock.lock() + let shouldSchedule = !self.active + self.active = true + self.queue.enqueue((self.scheduler.now, event)) + self.lock.unlock() + + if shouldSchedule { + self.cancelable.disposable = self.scheduler.scheduleRecursive((), dueTime: self.dueTime, action: self.drainQueue) + } + } + } + + func run(source: Observable) -> Disposable { + self.sourceSubscription.setDisposable(source.subscribe(self)) + return Disposables.create(sourceSubscription, cancelable) + } +} + +final private class Delay: Producer { + private let source: Observable + private let dueTime: RxTimeInterval + private let scheduler: SchedulerType + + init(source: Observable, dueTime: RxTimeInterval, scheduler: SchedulerType) { + self.source = source + self.dueTime = dueTime + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = DelaySink(observer: observer, dueTime: self.dueTime, scheduler: self.scheduler, cancel: cancel) + let subscription = sink.run(source: self.source) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/DelaySubscription.swift b/Pods/RxSwift/RxSwift/Observables/DelaySubscription.swift new file mode 100644 index 0000000..fd8c495 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/DelaySubscription.swift @@ -0,0 +1,58 @@ +// +// DelaySubscription.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/14/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Time shifts the observable sequence by delaying the subscription with the specified relative time duration, using the specified scheduler to run timers. + + - seealso: [delay operator on reactivex.io](http://reactivex.io/documentation/operators/delay.html) + + - parameter dueTime: Relative time shift of the subscription. + - parameter scheduler: Scheduler to run the subscription delay timer on. + - returns: Time-shifted sequence. + */ + public func delaySubscription(_ dueTime: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + DelaySubscription(source: self.asObservable(), dueTime: dueTime, scheduler: scheduler) + } +} + +final private class DelaySubscriptionSink + : Sink, ObserverType { + typealias Element = Observer.Element + + func on(_ event: Event) { + self.forwardOn(event) + if event.isStopEvent { + self.dispose() + } + } + +} + +final private class DelaySubscription: Producer { + private let source: Observable + private let dueTime: RxTimeInterval + private let scheduler: SchedulerType + + init(source: Observable, dueTime: RxTimeInterval, scheduler: SchedulerType) { + self.source = source + self.dueTime = dueTime + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = DelaySubscriptionSink(observer: observer, cancel: cancel) + let subscription = self.scheduler.scheduleRelative((), dueTime: self.dueTime) { _ in + return self.source.subscribe(sink) + } + + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Dematerialize.swift b/Pods/RxSwift/RxSwift/Observables/Dematerialize.swift new file mode 100644 index 0000000..2ccd546 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Dematerialize.swift @@ -0,0 +1,51 @@ +// +// Dematerialize.swift +// RxSwift +// +// Created by Jamie Pinkham on 3/13/17. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType where Element: EventConvertible { + /** + Convert any previously materialized Observable into it's original form. + - seealso: [materialize operator on reactivex.io](http://reactivex.io/documentation/operators/materialize-dematerialize.html) + - returns: The dematerialized observable sequence. + */ + public func dematerialize() -> Observable { + Dematerialize(source: self.asObservable()) + } + +} + +private final class DematerializeSink: Sink, ObserverType where Observer.Element == T.Element { + fileprivate func on(_ event: Event) { + switch event { + case .next(let element): + self.forwardOn(element.event) + if element.event.isStopEvent { + self.dispose() + } + case .completed: + self.forwardOn(.completed) + self.dispose() + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + } + } +} + +final private class Dematerialize: Producer { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == T.Element { + let sink = DematerializeSink(observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/DistinctUntilChanged.swift b/Pods/RxSwift/RxSwift/Observables/DistinctUntilChanged.swift new file mode 100644 index 0000000..c127b5a --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/DistinctUntilChanged.swift @@ -0,0 +1,137 @@ +// +// DistinctUntilChanged.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/15/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType where Element: Equatable { + + /** + Returns an observable sequence that contains only distinct contiguous elements according to equality operator. + + - seealso: [distinct operator on reactivex.io](http://reactivex.io/documentation/operators/distinct.html) + + - returns: An observable sequence only containing the distinct contiguous elements, based on equality operator, from the source sequence. + */ + public func distinctUntilChanged() + -> Observable { + self.distinctUntilChanged({ $0 }, comparer: { ($0 == $1) }) + } +} + +extension ObservableType { + /** + Returns an observable sequence that contains only distinct contiguous elements according to the `keySelector`. + + - seealso: [distinct operator on reactivex.io](http://reactivex.io/documentation/operators/distinct.html) + + - parameter keySelector: A function to compute the comparison key for each element. + - returns: An observable sequence only containing the distinct contiguous elements, based on a computed key value, from the source sequence. + */ + public func distinctUntilChanged(_ keySelector: @escaping (Element) throws -> Key) + -> Observable { + self.distinctUntilChanged(keySelector, comparer: { $0 == $1 }) + } + + /** + Returns an observable sequence that contains only distinct contiguous elements according to the `comparer`. + + - seealso: [distinct operator on reactivex.io](http://reactivex.io/documentation/operators/distinct.html) + + - parameter comparer: Equality comparer for computed key values. + - returns: An observable sequence only containing the distinct contiguous elements, based on `comparer`, from the source sequence. + */ + public func distinctUntilChanged(_ comparer: @escaping (Element, Element) throws -> Bool) + -> Observable { + self.distinctUntilChanged({ $0 }, comparer: comparer) + } + + /** + Returns an observable sequence that contains only distinct contiguous elements according to the keySelector and the comparer. + + - seealso: [distinct operator on reactivex.io](http://reactivex.io/documentation/operators/distinct.html) + + - parameter keySelector: A function to compute the comparison key for each element. + - parameter comparer: Equality comparer for computed key values. + - returns: An observable sequence only containing the distinct contiguous elements, based on a computed key value and the comparer, from the source sequence. + */ + public func distinctUntilChanged(_ keySelector: @escaping (Element) throws -> K, comparer: @escaping (K, K) throws -> Bool) + -> Observable { + return DistinctUntilChanged(source: self.asObservable(), selector: keySelector, comparer: comparer) + } + + /** + Returns an observable sequence that contains only contiguous elements with distinct values in the provided key path on each object. + + - seealso: [distinct operator on reactivex.io](http://reactivex.io/documentation/operators/distinct.html) + + - returns: An observable sequence only containing the distinct contiguous elements, based on equality operator on the provided key path + */ + public func distinctUntilChanged(at keyPath: KeyPath) -> + Observable { + self.distinctUntilChanged { $0[keyPath: keyPath] == $1[keyPath: keyPath] } + } +} + +final private class DistinctUntilChangedSink: Sink, ObserverType { + typealias Element = Observer.Element + + private let parent: DistinctUntilChanged + private var currentKey: Key? + + init(parent: DistinctUntilChanged, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + do { + let key = try self.parent.selector(value) + var areEqual = false + if let currentKey = self.currentKey { + areEqual = try self.parent.comparer(currentKey, key) + } + + if areEqual { + return + } + + self.currentKey = key + + self.forwardOn(event) + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + case .error, .completed: + self.forwardOn(event) + self.dispose() + } + } +} + +final private class DistinctUntilChanged: Producer { + typealias KeySelector = (Element) throws -> Key + typealias EqualityComparer = (Key, Key) throws -> Bool + + private let source: Observable + fileprivate let selector: KeySelector + fileprivate let comparer: EqualityComparer + + init(source: Observable, selector: @escaping KeySelector, comparer: @escaping EqualityComparer) { + self.source = source + self.selector = selector + self.comparer = comparer + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = DistinctUntilChangedSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Do.swift b/Pods/RxSwift/RxSwift/Observables/Do.swift new file mode 100644 index 0000000..3c8c68b --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Do.swift @@ -0,0 +1,112 @@ +// +// Do.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/21/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Invokes an action for each event in the observable sequence, and propagates all observer messages through the result sequence. + + - seealso: [do operator on reactivex.io](http://reactivex.io/documentation/operators/do.html) + + - parameter onNext: Action to invoke for each element in the observable sequence. + - parameter afterNext: Action to invoke for each element after the observable has passed an onNext event along to its downstream. + - parameter onError: Action to invoke upon errored termination of the observable sequence. + - parameter afterError: Action to invoke after errored termination of the observable sequence. + - parameter onCompleted: Action to invoke upon graceful termination of the observable sequence. + - parameter afterCompleted: Action to invoke after graceful termination of the observable sequence. + - parameter onSubscribe: Action to invoke before subscribing to source observable sequence. + - parameter onSubscribed: Action to invoke after subscribing to source observable sequence. + - parameter onDispose: Action to invoke after subscription to source observable has been disposed for any reason. It can be either because sequence terminates for some reason or observer subscription being disposed. + - returns: The source sequence with the side-effecting behavior applied. + */ + public func `do`(onNext: ((Element) throws -> Void)? = nil, afterNext: ((Element) throws -> Void)? = nil, onError: ((Swift.Error) throws -> Void)? = nil, afterError: ((Swift.Error) throws -> Void)? = nil, onCompleted: (() throws -> Void)? = nil, afterCompleted: (() throws -> Void)? = nil, onSubscribe: (() -> Void)? = nil, onSubscribed: (() -> Void)? = nil, onDispose: (() -> Void)? = nil) + -> Observable { + return Do(source: self.asObservable(), eventHandler: { e in + switch e { + case .next(let element): + try onNext?(element) + case .error(let e): + try onError?(e) + case .completed: + try onCompleted?() + } + }, afterEventHandler: { e in + switch e { + case .next(let element): + try afterNext?(element) + case .error(let e): + try afterError?(e) + case .completed: + try afterCompleted?() + } + }, onSubscribe: onSubscribe, onSubscribed: onSubscribed, onDispose: onDispose) + } +} + +final private class DoSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias EventHandler = (Event) throws -> Void + typealias AfterEventHandler = (Event) throws -> Void + + private let eventHandler: EventHandler + private let afterEventHandler: AfterEventHandler + + init(eventHandler: @escaping EventHandler, afterEventHandler: @escaping AfterEventHandler, observer: Observer, cancel: Cancelable) { + self.eventHandler = eventHandler + self.afterEventHandler = afterEventHandler + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + do { + try self.eventHandler(event) + self.forwardOn(event) + try self.afterEventHandler(event) + if event.isStopEvent { + self.dispose() + } + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + } +} + +final private class Do: Producer { + typealias EventHandler = (Event) throws -> Void + typealias AfterEventHandler = (Event) throws -> Void + + private let source: Observable + private let eventHandler: EventHandler + private let afterEventHandler: AfterEventHandler + private let onSubscribe: (() -> Void)? + private let onSubscribed: (() -> Void)? + private let onDispose: (() -> Void)? + + init(source: Observable, eventHandler: @escaping EventHandler, afterEventHandler: @escaping AfterEventHandler, onSubscribe: (() -> Void)?, onSubscribed: (() -> Void)?, onDispose: (() -> Void)?) { + self.source = source + self.eventHandler = eventHandler + self.afterEventHandler = afterEventHandler + self.onSubscribe = onSubscribe + self.onSubscribed = onSubscribed + self.onDispose = onDispose + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + self.onSubscribe?() + let sink = DoSink(eventHandler: self.eventHandler, afterEventHandler: self.afterEventHandler, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + self.onSubscribed?() + let onDispose = self.onDispose + let allSubscriptions = Disposables.create { + subscription.dispose() + onDispose?() + } + return (sink: sink, subscription: allSubscriptions) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/ElementAt.swift b/Pods/RxSwift/RxSwift/Observables/ElementAt.swift new file mode 100644 index 0000000..3f09c70 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/ElementAt.swift @@ -0,0 +1,105 @@ +// +// ElementAt.swift +// RxSwift +// +// Created by Junior B. on 21/10/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns a sequence emitting only element _n_ emitted by an Observable + + - seealso: [elementAt operator on reactivex.io](http://reactivex.io/documentation/operators/elementat.html) + + - parameter index: The index of the required element (starting from 0). + - returns: An observable sequence that emits the desired element as its own sole emission. + */ + @available(*, deprecated, renamed: "element(at:)") + public func elementAt(_ index: Int) + -> Observable { + element(at: index) + } + + /** + Returns a sequence emitting only element _n_ emitted by an Observable + + - seealso: [elementAt operator on reactivex.io](http://reactivex.io/documentation/operators/elementat.html) + + - parameter index: The index of the required element (starting from 0). + - returns: An observable sequence that emits the desired element as its own sole emission. + */ + public func element(at index: Int) + -> Observable { + ElementAt(source: self.asObservable(), index: index, throwOnEmpty: true) + } +} + +final private class ElementAtSink: Sink, ObserverType { + typealias SourceType = Observer.Element + typealias Parent = ElementAt + + let parent: Parent + var i: Int + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.i = parent.index + + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next: + + if self.i == 0 { + self.forwardOn(event) + self.forwardOn(.completed) + self.dispose() + } + + do { + _ = try decrementChecked(&self.i) + } catch let e { + self.forwardOn(.error(e)) + self.dispose() + return + } + + case .error(let e): + self.forwardOn(.error(e)) + self.dispose() + case .completed: + if self.parent.throwOnEmpty { + self.forwardOn(.error(RxError.argumentOutOfRange)) + } else { + self.forwardOn(.completed) + } + + self.dispose() + } + } +} + +final private class ElementAt: Producer { + let source: Observable + let throwOnEmpty: Bool + let index: Int + + init(source: Observable, index: Int, throwOnEmpty: Bool) { + if index < 0 { + rxFatalError("index can't be negative") + } + + self.source = source + self.index = index + self.throwOnEmpty = throwOnEmpty + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == SourceType { + let sink = ElementAtSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Empty.swift b/Pods/RxSwift/RxSwift/Observables/Empty.swift new file mode 100644 index 0000000..9ca5965 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Empty.swift @@ -0,0 +1,27 @@ +// +// Empty.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/30/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns an empty observable sequence, using the specified scheduler to send out the single `Completed` message. + + - seealso: [empty operator on reactivex.io](http://reactivex.io/documentation/operators/empty-never-throw.html) + + - returns: An observable sequence with no elements. + */ + public static func empty() -> Observable { + EmptyProducer() + } +} + +final private class EmptyProducer: Producer { + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + observer.on(.completed) + return Disposables.create() + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Enumerated.swift b/Pods/RxSwift/RxSwift/Observables/Enumerated.swift new file mode 100644 index 0000000..ef8a0ff --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Enumerated.swift @@ -0,0 +1,61 @@ +// +// Enumerated.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/6/17. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Enumerates the elements of an observable sequence. + + - seealso: [map operator on reactivex.io](http://reactivex.io/documentation/operators/map.html) + + - returns: An observable sequence that contains tuples of source sequence elements and their indexes. + */ + public func enumerated() + -> Observable<(index: Int, element: Element)> { + Enumerated(source: self.asObservable()) + } +} + +final private class EnumeratedSink: Sink, ObserverType where Observer.Element == (index: Int, element: Element) { + var index = 0 + + func on(_ event: Event) { + switch event { + case .next(let value): + do { + let nextIndex = try incrementChecked(&self.index) + let next = (index: nextIndex, element: value) + self.forwardOn(.next(next)) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + case .completed: + self.forwardOn(.completed) + self.dispose() + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + } + } +} + +final private class Enumerated: Producer<(index: Int, element: Element)> { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == (index: Int, element: Element) { + let sink = EnumeratedSink(observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Error.swift b/Pods/RxSwift/RxSwift/Observables/Error.swift new file mode 100644 index 0000000..2e722d6 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Error.swift @@ -0,0 +1,33 @@ +// +// Error.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/30/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns an observable sequence that terminates with an `error`. + + - seealso: [throw operator on reactivex.io](http://reactivex.io/documentation/operators/empty-never-throw.html) + + - returns: The observable sequence that terminates with specified error. + */ + public static func error(_ error: Swift.Error) -> Observable { + ErrorProducer(error: error) + } +} + +final private class ErrorProducer: Producer { + private let error: Swift.Error + + init(error: Swift.Error) { + self.error = error + } + + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + observer.on(.error(self.error)) + return Disposables.create() + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Filter.swift b/Pods/RxSwift/RxSwift/Observables/Filter.swift new file mode 100644 index 0000000..61d3ce7 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Filter.swift @@ -0,0 +1,86 @@ +// +// Filter.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/17/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Filters the elements of an observable sequence based on a predicate. + + - seealso: [filter operator on reactivex.io](http://reactivex.io/documentation/operators/filter.html) + + - parameter predicate: A function to test each source element for a condition. + - returns: An observable sequence that contains elements from the input sequence that satisfy the condition. + */ + public func filter(_ predicate: @escaping (Element) throws -> Bool) + -> Observable { + Filter(source: self.asObservable(), predicate: predicate) + } +} + +extension ObservableType { + /** + Skips elements and completes (or errors) when the observable sequence completes (or errors). Equivalent to filter that always returns false. + + - seealso: [ignoreElements operator on reactivex.io](http://reactivex.io/documentation/operators/ignoreelements.html) + + - returns: An observable sequence that skips all elements of the source sequence. + */ + public func ignoreElements() + -> Observable { + self.flatMap { _ in Observable.empty() } + } +} + +final private class FilterSink: Sink, ObserverType { + typealias Predicate = (Element) throws -> Bool + typealias Element = Observer.Element + + private let predicate: Predicate + + init(predicate: @escaping Predicate, observer: Observer, cancel: Cancelable) { + self.predicate = predicate + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + do { + let satisfies = try self.predicate(value) + if satisfies { + self.forwardOn(.next(value)) + } + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + case .completed, .error: + self.forwardOn(event) + self.dispose() + } + } +} + +final private class Filter: Producer { + typealias Predicate = (Element) throws -> Bool + + private let source: Observable + private let predicate: Predicate + + init(source: Observable, predicate: @escaping Predicate) { + self.source = source + self.predicate = predicate + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = FilterSink(predicate: self.predicate, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/First.swift b/Pods/RxSwift/RxSwift/Observables/First.swift new file mode 100644 index 0000000..0014114 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/First.swift @@ -0,0 +1,41 @@ +// +// First.swift +// RxSwift +// +// Created by Krunoslav Zaher on 7/31/17. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +private final class FirstSink : Sink, ObserverType where Observer.Element == Element? { + typealias Parent = First + + func on(_ event: Event) { + switch event { + case .next(let value): + self.forwardOn(.next(value)) + self.forwardOn(.completed) + self.dispose() + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.forwardOn(.next(nil)) + self.forwardOn(.completed) + self.dispose() + } + } +} + +final class First: Producer { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element? { + let sink = FirstSink(observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Generate.swift b/Pods/RxSwift/RxSwift/Observables/Generate.swift new file mode 100644 index 0000000..7b924b3 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Generate.swift @@ -0,0 +1,87 @@ +// +// Generate.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/2/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Generates an observable sequence by running a state-driven loop producing the sequence's elements, using the specified scheduler + to run the loop send out observer messages. + + - seealso: [create operator on reactivex.io](http://reactivex.io/documentation/operators/create.html) + + - parameter initialState: Initial state. + - parameter condition: Condition to terminate generation (upon returning `false`). + - parameter iterate: Iteration step function. + - parameter scheduler: Scheduler on which to run the generator loop. + - returns: The generated sequence. + */ + public static func generate(initialState: Element, condition: @escaping (Element) throws -> Bool, scheduler: ImmediateSchedulerType = CurrentThreadScheduler.instance, iterate: @escaping (Element) throws -> Element) -> Observable { + Generate(initialState: initialState, condition: condition, iterate: iterate, resultSelector: { $0 }, scheduler: scheduler) + } +} + +final private class GenerateSink: Sink { + typealias Parent = Generate + + private let parent: Parent + + private var state: Sequence + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.state = parent.initialState + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + return self.parent.scheduler.scheduleRecursive(true) { isFirst, recurse -> Void in + do { + if !isFirst { + self.state = try self.parent.iterate(self.state) + } + + if try self.parent.condition(self.state) { + let result = try self.parent.resultSelector(self.state) + self.forwardOn(.next(result)) + + recurse(false) + } + else { + self.forwardOn(.completed) + self.dispose() + } + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + } + } +} + +final private class Generate: Producer { + fileprivate let initialState: Sequence + fileprivate let condition: (Sequence) throws -> Bool + fileprivate let iterate: (Sequence) throws -> Sequence + fileprivate let resultSelector: (Sequence) throws -> Element + fileprivate let scheduler: ImmediateSchedulerType + + init(initialState: Sequence, condition: @escaping (Sequence) throws -> Bool, iterate: @escaping (Sequence) throws -> Sequence, resultSelector: @escaping (Sequence) throws -> Element, scheduler: ImmediateSchedulerType) { + self.initialState = initialState + self.condition = condition + self.iterate = iterate + self.resultSelector = resultSelector + self.scheduler = scheduler + super.init() + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = GenerateSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/GroupBy.swift b/Pods/RxSwift/RxSwift/Observables/GroupBy.swift new file mode 100644 index 0000000..88cbda7 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/GroupBy.swift @@ -0,0 +1,133 @@ +// +// GroupBy.swift +// RxSwift +// +// Created by Tomi Koskinen on 01/12/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /* + Groups the elements of an observable sequence according to a specified key selector function. + + - seealso: [groupBy operator on reactivex.io](http://reactivex.io/documentation/operators/groupby.html) + + - parameter keySelector: A function to extract the key for each element. + - returns: A sequence of observable groups, each of which corresponds to a unique key value, containing all elements that share that same key value. + */ + public func groupBy(keySelector: @escaping (Element) throws -> Key) + -> Observable> { + GroupBy(source: self.asObservable(), selector: keySelector) + } +} + +final private class GroupedObservableImpl: Observable { + private var subject: PublishSubject + private var refCount: RefCountDisposable + + init(subject: PublishSubject, refCount: RefCountDisposable) { + self.subject = subject + self.refCount = refCount + } + + override public func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + let release = self.refCount.retain() + let subscription = self.subject.subscribe(observer) + return Disposables.create(release, subscription) + } +} + + +final private class GroupBySink + : Sink + , ObserverType where Observer.Element == GroupedObservable { + typealias ResultType = Observer.Element + typealias Parent = GroupBy + + private let parent: Parent + private let subscription = SingleAssignmentDisposable() + private var refCountDisposable: RefCountDisposable! + private var groupedSubjectTable: [Key: PublishSubject] + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.groupedSubjectTable = [Key: PublishSubject]() + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + self.refCountDisposable = RefCountDisposable(disposable: self.subscription) + + self.subscription.setDisposable(self.parent.source.subscribe(self)) + + return self.refCountDisposable + } + + private func onGroupEvent(key: Key, value: Element) { + if let writer = self.groupedSubjectTable[key] { + writer.on(.next(value)) + } else { + let writer = PublishSubject() + self.groupedSubjectTable[key] = writer + + let group = GroupedObservable( + key: key, + source: GroupedObservableImpl(subject: writer, refCount: refCountDisposable) + ) + + self.forwardOn(.next(group)) + writer.on(.next(value)) + } + } + + final func on(_ event: Event) { + switch event { + case let .next(value): + do { + let groupKey = try self.parent.selector(value) + self.onGroupEvent(key: groupKey, value: value) + } + catch let e { + self.error(e) + return + } + case let .error(e): + self.error(e) + case .completed: + self.forwardOnGroups(event: .completed) + self.forwardOn(.completed) + self.subscription.dispose() + self.dispose() + } + } + + final func error(_ error: Swift.Error) { + self.forwardOnGroups(event: .error(error)) + self.forwardOn(.error(error)) + self.subscription.dispose() + self.dispose() + } + + final func forwardOnGroups(event: Event) { + for writer in self.groupedSubjectTable.values { + writer.on(event) + } + } +} + +final private class GroupBy: Producer> { + typealias KeySelector = (Element) throws -> Key + + fileprivate let source: Observable + fileprivate let selector: KeySelector + + init(source: Observable, selector: @escaping KeySelector) { + self.source = source + self.selector = selector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == GroupedObservable { + let sink = GroupBySink(parent: self, observer: observer, cancel: cancel) + return (sink: sink, subscription: sink.run()) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Just.swift b/Pods/RxSwift/RxSwift/Observables/Just.swift new file mode 100644 index 0000000..9349083 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Just.swift @@ -0,0 +1,87 @@ +// +// Just.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/30/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns an observable sequence that contains a single element. + + - seealso: [just operator on reactivex.io](http://reactivex.io/documentation/operators/just.html) + + - parameter element: Single element in the resulting observable sequence. + - returns: An observable sequence containing the single specified element. + */ + public static func just(_ element: Element) -> Observable { + Just(element: element) + } + + /** + Returns an observable sequence that contains a single element. + + - seealso: [just operator on reactivex.io](http://reactivex.io/documentation/operators/just.html) + + - parameter element: Single element in the resulting observable sequence. + - parameter scheduler: Scheduler to send the single element on. + - returns: An observable sequence containing the single specified element. + */ + public static func just(_ element: Element, scheduler: ImmediateSchedulerType) -> Observable { + JustScheduled(element: element, scheduler: scheduler) + } +} + +final private class JustScheduledSink: Sink { + typealias Parent = JustScheduled + + private let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let scheduler = self.parent.scheduler + return scheduler.schedule(self.parent.element) { element in + self.forwardOn(.next(element)) + return scheduler.schedule(()) { _ in + self.forwardOn(.completed) + self.dispose() + return Disposables.create() + } + } + } +} + +final private class JustScheduled: Producer { + fileprivate let scheduler: ImmediateSchedulerType + fileprivate let element: Element + + init(element: Element, scheduler: ImmediateSchedulerType) { + self.scheduler = scheduler + self.element = element + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = JustScheduledSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + +final private class Just: Producer { + private let element: Element + + init(element: Element) { + self.element = element + } + + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + observer.on(.next(self.element)) + observer.on(.completed) + return Disposables.create() + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Map.swift b/Pods/RxSwift/RxSwift/Observables/Map.swift new file mode 100644 index 0000000..0691273 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Map.swift @@ -0,0 +1,77 @@ +// +// Map.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/15/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Projects each element of an observable sequence into a new form. + + - seealso: [map operator on reactivex.io](http://reactivex.io/documentation/operators/map.html) + + - parameter transform: A transform function to apply to each source element. + - returns: An observable sequence whose elements are the result of invoking the transform function on each element of source. + + */ + public func map(_ transform: @escaping (Element) throws -> Result) + -> Observable { + Map(source: self.asObservable(), transform: transform) + } +} + +final private class MapSink: Sink, ObserverType { + typealias Transform = (SourceType) throws -> ResultType + + typealias ResultType = Observer.Element + typealias Element = SourceType + + private let transform: Transform + + init(transform: @escaping Transform, observer: Observer, cancel: Cancelable) { + self.transform = transform + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let element): + do { + let mappedElement = try self.transform(element) + self.forwardOn(.next(mappedElement)) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.forwardOn(.completed) + self.dispose() + } + } +} + +final private class Map: Producer { + typealias Transform = (SourceType) throws -> ResultType + + private let source: Observable + + private let transform: Transform + + init(source: Observable, transform: @escaping Transform) { + self.source = source + self.transform = transform + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == ResultType { + let sink = MapSink(transform: self.transform, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Materialize.swift b/Pods/RxSwift/RxSwift/Observables/Materialize.swift new file mode 100644 index 0000000..e2577be --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Materialize.swift @@ -0,0 +1,44 @@ +// +// Materialize.swift +// RxSwift +// +// Created by sergdort on 08/03/2017. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Convert any Observable into an Observable of its events. + - seealso: [materialize operator on reactivex.io](http://reactivex.io/documentation/operators/materialize-dematerialize.html) + - returns: An observable sequence that wraps events in an Event. The returned Observable never errors, but it does complete after observing all of the events of the underlying Observable. + */ + public func materialize() -> Observable> { + Materialize(source: self.asObservable()) + } +} + +private final class MaterializeSink: Sink, ObserverType where Observer.Element == Event { + + func on(_ event: Event) { + self.forwardOn(.next(event)) + if event.isStopEvent { + self.forwardOn(.completed) + self.dispose() + } + } +} + +final private class Materialize: Producer> { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = MaterializeSink(observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Merge.swift b/Pods/RxSwift/RxSwift/Observables/Merge.swift new file mode 100644 index 0000000..51a6462 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Merge.swift @@ -0,0 +1,600 @@ +// +// Merge.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/28/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Projects each element of an observable sequence to an observable sequence and merges the resulting observable sequences into one observable sequence. + + - seealso: [flatMap operator on reactivex.io](http://reactivex.io/documentation/operators/flatmap.html) + + - parameter selector: A transform function to apply to each element. + - returns: An observable sequence whose elements are the result of invoking the one-to-many transform function on each element of the input sequence. + */ + public func flatMap(_ selector: @escaping (Element) throws -> Source) + -> Observable { + return FlatMap(source: self.asObservable(), selector: selector) + } + +} + +extension ObservableType { + + /** + Projects each element of an observable sequence to an observable sequence and merges the resulting observable sequences into one observable sequence. + If element is received while there is some projected observable sequence being merged it will simply be ignored. + + - seealso: [flatMapFirst operator on reactivex.io](http://reactivex.io/documentation/operators/flatmap.html) + + - parameter selector: A transform function to apply to element that was observed while no observable is executing in parallel. + - returns: An observable sequence whose elements are the result of invoking the one-to-many transform function on each element of the input sequence that was received while no other sequence was being calculated. + */ + public func flatMapFirst(_ selector: @escaping (Element) throws -> Source) + -> Observable { + return FlatMapFirst(source: self.asObservable(), selector: selector) + } +} + +extension ObservableType where Element: ObservableConvertibleType { + + /** + Merges elements from all observable sequences in the given enumerable sequence into a single observable sequence. + + - seealso: [merge operator on reactivex.io](http://reactivex.io/documentation/operators/merge.html) + + - returns: The observable sequence that merges the elements of the observable sequences. + */ + public func merge() -> Observable { + Merge(source: self.asObservable()) + } + + /** + Merges elements from all inner observable sequences into a single observable sequence, limiting the number of concurrent subscriptions to inner sequences. + + - seealso: [merge operator on reactivex.io](http://reactivex.io/documentation/operators/merge.html) + + - parameter maxConcurrent: Maximum number of inner observable sequences being subscribed to concurrently. + - returns: The observable sequence that merges the elements of the inner sequences. + */ + public func merge(maxConcurrent: Int) + -> Observable { + MergeLimited(source: self.asObservable(), maxConcurrent: maxConcurrent) + } +} + +extension ObservableType where Element: ObservableConvertibleType { + + /** + Concatenates all inner observable sequences, as long as the previous observable sequence terminated successfully. + + - seealso: [concat operator on reactivex.io](http://reactivex.io/documentation/operators/concat.html) + + - returns: An observable sequence that contains the elements of each observed inner sequence, in sequential order. + */ + public func concat() -> Observable { + self.merge(maxConcurrent: 1) + } +} + +extension ObservableType { + /** + Merges elements from all observable sequences from collection into a single observable sequence. + + - seealso: [merge operator on reactivex.io](http://reactivex.io/documentation/operators/merge.html) + + - parameter sources: Collection of observable sequences to merge. + - returns: The observable sequence that merges the elements of the observable sequences. + */ + public static func merge(_ sources: Collection) -> Observable where Collection.Element == Observable { + MergeArray(sources: Array(sources)) + } + + /** + Merges elements from all observable sequences from array into a single observable sequence. + + - seealso: [merge operator on reactivex.io](http://reactivex.io/documentation/operators/merge.html) + + - parameter sources: Array of observable sequences to merge. + - returns: The observable sequence that merges the elements of the observable sequences. + */ + public static func merge(_ sources: [Observable]) -> Observable { + MergeArray(sources: sources) + } + + /** + Merges elements from all observable sequences into a single observable sequence. + + - seealso: [merge operator on reactivex.io](http://reactivex.io/documentation/operators/merge.html) + + - parameter sources: Collection of observable sequences to merge. + - returns: The observable sequence that merges the elements of the observable sequences. + */ + public static func merge(_ sources: Observable...) -> Observable { + MergeArray(sources: sources) + } +} + +// MARK: concatMap + +extension ObservableType { + /** + Projects each element of an observable sequence to an observable sequence and concatenates the resulting observable sequences into one observable sequence. + + - seealso: [concat operator on reactivex.io](http://reactivex.io/documentation/operators/concat.html) + + - returns: An observable sequence that contains the elements of each observed inner sequence, in sequential order. + */ + + public func concatMap(_ selector: @escaping (Element) throws -> Source) + -> Observable { + return ConcatMap(source: self.asObservable(), selector: selector) + } +} + +private final class MergeLimitedSinkIter + : ObserverType + , LockOwnerType + , SynchronizedOnType where SourceSequence.Element == Observer.Element { + typealias Element = Observer.Element + typealias DisposeKey = CompositeDisposable.DisposeKey + typealias Parent = MergeLimitedSink + + private let parent: Parent + private let disposeKey: DisposeKey + + var lock: RecursiveLock { + self.parent.lock + } + + init(parent: Parent, disposeKey: DisposeKey) { + self.parent = parent + self.disposeKey = disposeKey + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next: + self.parent.forwardOn(event) + case .error: + self.parent.forwardOn(event) + self.parent.dispose() + case .completed: + self.parent.group.remove(for: self.disposeKey) + if let next = self.parent.queue.dequeue() { + self.parent.subscribe(next, group: self.parent.group) + } + else { + self.parent.activeCount -= 1 + + if self.parent.stopped && self.parent.activeCount == 0 { + self.parent.forwardOn(.completed) + self.parent.dispose() + } + } + } + } +} + +private final class ConcatMapSink: MergeLimitedSink where Observer.Element == SourceSequence.Element { + typealias Selector = (SourceElement) throws -> SourceSequence + + private let selector: Selector + + init(selector: @escaping Selector, observer: Observer, cancel: Cancelable) { + self.selector = selector + super.init(maxConcurrent: 1, observer: observer, cancel: cancel) + } + + override func performMap(_ element: SourceElement) throws -> SourceSequence { + try self.selector(element) + } +} + +private final class MergeLimitedBasicSink: MergeLimitedSink where Observer.Element == SourceSequence.Element { + + override func performMap(_ element: SourceSequence) throws -> SourceSequence { + element + } +} + +private class MergeLimitedSink + : Sink + , ObserverType where Observer.Element == SourceSequence.Element { + typealias QueueType = Queue + + let maxConcurrent: Int + + let lock = RecursiveLock() + + // state + var stopped = false + var activeCount = 0 + var queue = QueueType(capacity: 2) + + let sourceSubscription = SingleAssignmentDisposable() + let group = CompositeDisposable() + + init(maxConcurrent: Int, observer: Observer, cancel: Cancelable) { + self.maxConcurrent = maxConcurrent + super.init(observer: observer, cancel: cancel) + } + + func run(_ source: Observable) -> Disposable { + _ = self.group.insert(self.sourceSubscription) + + let disposable = source.subscribe(self) + self.sourceSubscription.setDisposable(disposable) + return self.group + } + + func subscribe(_ innerSource: SourceSequence, group: CompositeDisposable) { + let subscription = SingleAssignmentDisposable() + + let key = group.insert(subscription) + + if let key = key { + let observer = MergeLimitedSinkIter(parent: self, disposeKey: key) + + let disposable = innerSource.asObservable().subscribe(observer) + subscription.setDisposable(disposable) + } + } + + func performMap(_ element: SourceElement) throws -> SourceSequence { + rxAbstractMethod() + } + + @inline(__always) + final private func nextElementArrived(element: SourceElement) -> SourceSequence? { + self.lock.performLocked { + let subscribe: Bool + if self.activeCount < self.maxConcurrent { + self.activeCount += 1 + subscribe = true + } + else { + do { + let value = try self.performMap(element) + self.queue.enqueue(value) + } catch { + self.forwardOn(.error(error)) + self.dispose() + } + subscribe = false + } + + if subscribe { + do { + return try self.performMap(element) + } catch { + self.forwardOn(.error(error)) + self.dispose() + } + } + + return nil + } + } + + func on(_ event: Event) { + switch event { + case .next(let element): + if let sequence = self.nextElementArrived(element: element) { + self.subscribe(sequence, group: self.group) + } + case .error(let error): + self.lock.performLocked { + self.forwardOn(.error(error)) + self.dispose() + } + case .completed: + self.lock.performLocked { + if self.activeCount == 0 { + self.forwardOn(.completed) + self.dispose() + } + else { + self.sourceSubscription.dispose() + } + + self.stopped = true + } + } + } +} + +final private class MergeLimited: Producer { + private let source: Observable + private let maxConcurrent: Int + + init(source: Observable, maxConcurrent: Int) { + self.source = source + self.maxConcurrent = maxConcurrent + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == SourceSequence.Element { + let sink = MergeLimitedBasicSink(maxConcurrent: self.maxConcurrent, observer: observer, cancel: cancel) + let subscription = sink.run(self.source) + return (sink: sink, subscription: subscription) + } +} + +// MARK: Merge + +private final class MergeBasicSink : MergeSink where Observer.Element == Source.Element { + override func performMap(_ element: Source) throws -> Source { + element + } +} + +// MARK: flatMap + +private final class FlatMapSink : MergeSink where Observer.Element == SourceSequence.Element { + typealias Selector = (SourceElement) throws -> SourceSequence + + private let selector: Selector + + init(selector: @escaping Selector, observer: Observer, cancel: Cancelable) { + self.selector = selector + super.init(observer: observer, cancel: cancel) + } + + override func performMap(_ element: SourceElement) throws -> SourceSequence { + try self.selector(element) + } +} + +// MARK: FlatMapFirst + +private final class FlatMapFirstSink : MergeSink where Observer.Element == SourceSequence.Element { + typealias Selector = (SourceElement) throws -> SourceSequence + + private let selector: Selector + + override var subscribeNext: Bool { + self.activeCount == 0 + } + + init(selector: @escaping Selector, observer: Observer, cancel: Cancelable) { + self.selector = selector + super.init(observer: observer, cancel: cancel) + } + + override func performMap(_ element: SourceElement) throws -> SourceSequence { + try self.selector(element) + } +} + +private final class MergeSinkIter : ObserverType where Observer.Element == SourceSequence.Element { + typealias Parent = MergeSink + typealias DisposeKey = CompositeDisposable.DisposeKey + typealias Element = Observer.Element + + private let parent: Parent + private let disposeKey: DisposeKey + + init(parent: Parent, disposeKey: DisposeKey) { + self.parent = parent + self.disposeKey = disposeKey + } + + func on(_ event: Event) { + self.parent.lock.performLocked { + switch event { + case .next(let value): + self.parent.forwardOn(.next(value)) + case .error(let error): + self.parent.forwardOn(.error(error)) + self.parent.dispose() + case .completed: + self.parent.group.remove(for: self.disposeKey) + self.parent.activeCount -= 1 + self.parent.checkCompleted() + } + } + } +} + + +private class MergeSink + : Sink + , ObserverType where Observer.Element == SourceSequence.Element { + typealias ResultType = Observer.Element + typealias Element = SourceElement + + let lock = RecursiveLock() + + var subscribeNext: Bool { + true + } + + // state + let group = CompositeDisposable() + let sourceSubscription = SingleAssignmentDisposable() + + var activeCount = 0 + var stopped = false + + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + func performMap(_ element: SourceElement) throws -> SourceSequence { + rxAbstractMethod() + } + + @inline(__always) + final private func nextElementArrived(element: SourceElement) -> SourceSequence? { + self.lock.performLocked { + if !self.subscribeNext { + return nil + } + + do { + let value = try self.performMap(element) + self.activeCount += 1 + return value + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + return nil + } + } + } + + func on(_ event: Event) { + switch event { + case .next(let element): + if let value = self.nextElementArrived(element: element) { + self.subscribeInner(value.asObservable()) + } + case .error(let error): + self.lock.performLocked { + self.forwardOn(.error(error)) + self.dispose() + } + case .completed: + self.lock.performLocked { + self.stopped = true + self.sourceSubscription.dispose() + self.checkCompleted() + } + } + } + + func subscribeInner(_ source: Observable) { + let iterDisposable = SingleAssignmentDisposable() + if let disposeKey = self.group.insert(iterDisposable) { + let iter = MergeSinkIter(parent: self, disposeKey: disposeKey) + let subscription = source.subscribe(iter) + iterDisposable.setDisposable(subscription) + } + } + + func run(_ sources: [Observable]) -> Disposable { + self.activeCount += sources.count + + for source in sources { + self.subscribeInner(source) + } + + self.stopped = true + + self.checkCompleted() + + return self.group + } + + @inline(__always) + func checkCompleted() { + if self.stopped && self.activeCount == 0 { + self.forwardOn(.completed) + self.dispose() + } + } + + func run(_ source: Observable) -> Disposable { + _ = self.group.insert(self.sourceSubscription) + + let subscription = source.subscribe(self) + self.sourceSubscription.setDisposable(subscription) + + return self.group + } +} + +// MARK: Producers + +final private class FlatMap: Producer { + typealias Selector = (SourceElement) throws -> SourceSequence + + private let source: Observable + + private let selector: Selector + + init(source: Observable, selector: @escaping Selector) { + self.source = source + self.selector = selector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == SourceSequence.Element { + let sink = FlatMapSink(selector: self.selector, observer: observer, cancel: cancel) + let subscription = sink.run(self.source) + return (sink: sink, subscription: subscription) + } +} + +final private class FlatMapFirst: Producer { + typealias Selector = (SourceElement) throws -> SourceSequence + + private let source: Observable + + private let selector: Selector + + init(source: Observable, selector: @escaping Selector) { + self.source = source + self.selector = selector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == SourceSequence.Element { + let sink = FlatMapFirstSink(selector: self.selector, observer: observer, cancel: cancel) + let subscription = sink.run(self.source) + return (sink: sink, subscription: subscription) + } +} + +final class ConcatMap: Producer { + typealias Selector = (SourceElement) throws -> SourceSequence + + private let source: Observable + private let selector: Selector + + init(source: Observable, selector: @escaping Selector) { + self.source = source + self.selector = selector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == SourceSequence.Element { + let sink = ConcatMapSink(selector: self.selector, observer: observer, cancel: cancel) + let subscription = sink.run(self.source) + return (sink: sink, subscription: subscription) + } +} + +final class Merge : Producer { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == SourceSequence.Element { + let sink = MergeBasicSink(observer: observer, cancel: cancel) + let subscription = sink.run(self.source) + return (sink: sink, subscription: subscription) + } +} + +final private class MergeArray: Producer { + private let sources: [Observable] + + init(sources: [Observable]) { + self.sources = sources + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = MergeBasicSink, Observer>(observer: observer, cancel: cancel) + let subscription = sink.run(self.sources) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Multicast.swift b/Pods/RxSwift/RxSwift/Observables/Multicast.swift new file mode 100644 index 0000000..1ebcf02 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Multicast.swift @@ -0,0 +1,405 @@ +// +// Multicast.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/27/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/** + Represents an observable wrapper that can be connected and disconnected from its underlying observable sequence. + */ +public class ConnectableObservable + : Observable + , ConnectableObservableType { + + /** + Connects the observable wrapper to its source. All subscribed observers will receive values from the underlying observable sequence as long as the connection is established. + + - returns: Disposable used to disconnect the observable wrapper from its source, causing subscribed observer to stop receiving values from the underlying observable sequence. + */ + public func connect() -> Disposable { + rxAbstractMethod() + } +} + +extension ObservableType { + + /** + Multicasts the source sequence notifications through an instantiated subject into all uses of the sequence within a selector function. + + Each subscription to the resulting sequence causes a separate multicast invocation, exposing the sequence resulting from the selector function's invocation. + + For specializations with fixed subject types, see `publish` and `replay`. + + - seealso: [multicast operator on reactivex.io](http://reactivex.io/documentation/operators/publish.html) + + - parameter subjectSelector: Factory function to create an intermediate subject through which the source sequence's elements will be multicast to the selector function. + - parameter selector: Selector function which can use the multicasted source sequence subject to the policies enforced by the created subject. + - returns: An observable sequence that contains the elements of a sequence produced by multicasting the source sequence within a selector function. + */ + public func multicast(_ subjectSelector: @escaping () throws -> Subject, selector: @escaping (Observable) throws -> Observable) + -> Observable where Subject.Observer.Element == Element { + return Multicast( + source: self.asObservable(), + subjectSelector: subjectSelector, + selector: selector + ) + } +} + +extension ObservableType { + + /** + Returns a connectable observable sequence that shares a single subscription to the underlying sequence. + + This operator is a specialization of `multicast` using a `PublishSubject`. + + - seealso: [publish operator on reactivex.io](http://reactivex.io/documentation/operators/publish.html) + + - returns: A connectable observable sequence that shares a single subscription to the underlying sequence. + */ + public func publish() -> ConnectableObservable { + self.multicast { PublishSubject() } + } +} + +extension ObservableType { + + /** + Returns a connectable observable sequence that shares a single subscription to the underlying sequence replaying bufferSize elements. + + This operator is a specialization of `multicast` using a `ReplaySubject`. + + - seealso: [replay operator on reactivex.io](http://reactivex.io/documentation/operators/replay.html) + + - parameter bufferSize: Maximum element count of the replay buffer. + - returns: A connectable observable sequence that shares a single subscription to the underlying sequence. + */ + public func replay(_ bufferSize: Int) + -> ConnectableObservable { + self.multicast { ReplaySubject.create(bufferSize: bufferSize) } + } + + /** + Returns a connectable observable sequence that shares a single subscription to the underlying sequence replaying all elements. + + This operator is a specialization of `multicast` using a `ReplaySubject`. + + - seealso: [replay operator on reactivex.io](http://reactivex.io/documentation/operators/replay.html) + + - returns: A connectable observable sequence that shares a single subscription to the underlying sequence. + */ + public func replayAll() + -> ConnectableObservable { + self.multicast { ReplaySubject.createUnbounded() } + } +} + +extension ConnectableObservableType { + + /** + Returns an observable sequence that stays connected to the source as long as there is at least one subscription to the observable sequence. + + - seealso: [refCount operator on reactivex.io](http://reactivex.io/documentation/operators/refcount.html) + + - returns: An observable sequence that stays connected to the source as long as there is at least one subscription to the observable sequence. + */ + public func refCount() -> Observable { + RefCount(source: self) + } +} + +extension ObservableType { + + /** + Multicasts the source sequence notifications through the specified subject to the resulting connectable observable. + + Upon connection of the connectable observable, the subject is subscribed to the source exactly one, and messages are forwarded to the observers registered with the connectable observable. + + For specializations with fixed subject types, see `publish` and `replay`. + + - seealso: [multicast operator on reactivex.io](http://reactivex.io/documentation/operators/publish.html) + + - parameter subject: Subject to push source elements into. + - returns: A connectable observable sequence that upon connection causes the source sequence to push results into the specified subject. + */ + public func multicast(_ subject: Subject) + -> ConnectableObservable where Subject.Observer.Element == Element { + ConnectableObservableAdapter(source: self.asObservable(), makeSubject: { subject }) + } + + /** + Multicasts the source sequence notifications through an instantiated subject to the resulting connectable observable. + + Upon connection of the connectable observable, the subject is subscribed to the source exactly one, and messages are forwarded to the observers registered with the connectable observable. + + Subject is cleared on connection disposal or in case source sequence produces terminal event. + + - seealso: [multicast operator on reactivex.io](http://reactivex.io/documentation/operators/publish.html) + + - parameter makeSubject: Factory function used to instantiate a subject for each connection. + - returns: A connectable observable sequence that upon connection causes the source sequence to push results into the specified subject. + */ + public func multicast(makeSubject: @escaping () -> Subject) + -> ConnectableObservable where Subject.Observer.Element == Element { + ConnectableObservableAdapter(source: self.asObservable(), makeSubject: makeSubject) + } +} + +final private class Connection: ObserverType, Disposable { + typealias Element = Subject.Observer.Element + + private var lock: RecursiveLock + // state + private var parent: ConnectableObservableAdapter? + private var subscription : Disposable? + private var subjectObserver: Subject.Observer + + private let disposed = AtomicInt(0) + + init(parent: ConnectableObservableAdapter, subjectObserver: Subject.Observer, lock: RecursiveLock, subscription: Disposable) { + self.parent = parent + self.subscription = subscription + self.lock = lock + self.subjectObserver = subjectObserver + } + + func on(_ event: Event) { + if isFlagSet(self.disposed, 1) { + return + } + if event.isStopEvent { + self.dispose() + } + self.subjectObserver.on(event) + } + + func dispose() { + lock.lock(); defer { lock.unlock() } + fetchOr(self.disposed, 1) + guard let parent = self.parent else { + return + } + + if parent.connection === self { + parent.connection = nil + parent.subject = nil + } + self.parent = nil + + self.subscription?.dispose() + self.subscription = nil + } +} + +final private class ConnectableObservableAdapter + : ConnectableObservable { + typealias ConnectionType = Connection + + private let source: Observable + private let makeSubject: () -> Subject + + fileprivate let lock = RecursiveLock() + fileprivate var subject: Subject? + + // state + fileprivate var connection: ConnectionType? + + init(source: Observable, makeSubject: @escaping () -> Subject) { + self.source = source + self.makeSubject = makeSubject + self.subject = nil + self.connection = nil + } + + override func connect() -> Disposable { + return self.lock.performLocked { + if let connection = self.connection { + return connection + } + + let singleAssignmentDisposable = SingleAssignmentDisposable() + let connection = Connection(parent: self, subjectObserver: self.lazySubject.asObserver(), lock: self.lock, subscription: singleAssignmentDisposable) + self.connection = connection + let subscription = self.source.subscribe(connection) + singleAssignmentDisposable.setDisposable(subscription) + return connection + } + } + + private var lazySubject: Subject { + if let subject = self.subject { + return subject + } + + let subject = self.makeSubject() + self.subject = subject + return subject + } + + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Subject.Element { + self.lazySubject.subscribe(observer) + } +} + +final private class RefCountSink + : Sink + , ObserverType where ConnectableSource.Element == Observer.Element { + typealias Element = Observer.Element + typealias Parent = RefCount + + private let parent: Parent + + private var connectionIdSnapshot: Int64 = -1 + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription = self.parent.source.subscribe(self) + self.parent.lock.lock(); defer { self.parent.lock.unlock() } + + self.connectionIdSnapshot = self.parent.connectionId + + if self.isDisposed { + return Disposables.create() + } + + if self.parent.count == 0 { + self.parent.count = 1 + self.parent.connectableSubscription = self.parent.source.connect() + } + else { + self.parent.count += 1 + } + + return Disposables.create { + subscription.dispose() + self.parent.lock.lock(); defer { self.parent.lock.unlock() } + if self.parent.connectionId != self.connectionIdSnapshot { + return + } + if self.parent.count == 1 { + self.parent.count = 0 + guard let connectableSubscription = self.parent.connectableSubscription else { + return + } + + connectableSubscription.dispose() + self.parent.connectableSubscription = nil + } + else if self.parent.count > 1 { + self.parent.count -= 1 + } + else { + rxFatalError("Something went wrong with RefCount disposing mechanism") + } + } + } + + func on(_ event: Event) { + switch event { + case .next: + self.forwardOn(event) + case .error, .completed: + self.parent.lock.lock() + if self.parent.connectionId == self.connectionIdSnapshot { + let connection = self.parent.connectableSubscription + defer { connection?.dispose() } + self.parent.count = 0 + self.parent.connectionId = self.parent.connectionId &+ 1 + self.parent.connectableSubscription = nil + } + self.parent.lock.unlock() + self.forwardOn(event) + self.dispose() + } + } +} + +final private class RefCount: Producer { + fileprivate let lock = RecursiveLock() + + // state + fileprivate var count = 0 + fileprivate var connectionId: Int64 = 0 + fileprivate var connectableSubscription = nil as Disposable? + + fileprivate let source: ConnectableSource + + init(source: ConnectableSource) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) + where Observer.Element == ConnectableSource.Element { + let sink = RefCountSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + +final private class MulticastSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias ResultType = Element + typealias MutlicastType = Multicast + + private let parent: MutlicastType + + init(parent: MutlicastType, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + do { + let subject = try self.parent.subjectSelector() + let connectable = ConnectableObservableAdapter(source: self.parent.source, makeSubject: { subject }) + + let observable = try self.parent.selector(connectable) + + let subscription = observable.subscribe(self) + let connection = connectable.connect() + + return Disposables.create(subscription, connection) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + return Disposables.create() + } + } + + func on(_ event: Event) { + self.forwardOn(event) + switch event { + case .next: break + case .error, .completed: + self.dispose() + } + } +} + +final private class Multicast: Producer { + typealias SubjectSelectorType = () throws -> Subject + typealias SelectorType = (Observable) throws -> Observable + + fileprivate let source: Observable + fileprivate let subjectSelector: SubjectSelectorType + fileprivate let selector: SelectorType + + init(source: Observable, subjectSelector: @escaping SubjectSelectorType, selector: @escaping SelectorType) { + self.source = source + self.subjectSelector = subjectSelector + self.selector = selector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = MulticastSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Never.swift b/Pods/RxSwift/RxSwift/Observables/Never.swift new file mode 100644 index 0000000..7b456ee --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Never.swift @@ -0,0 +1,27 @@ +// +// Never.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/30/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Returns a non-terminating observable sequence, which can be used to denote an infinite duration. + + - seealso: [never operator on reactivex.io](http://reactivex.io/documentation/operators/empty-never-throw.html) + + - returns: An observable sequence whose observers will never get called. + */ + public static func never() -> Observable { + NeverProducer() + } +} + +final private class NeverProducer: Producer { + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + Disposables.create() + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/ObserveOn.swift b/Pods/RxSwift/RxSwift/Observables/ObserveOn.swift new file mode 100644 index 0000000..6b8689e --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/ObserveOn.swift @@ -0,0 +1,243 @@ +// +// ObserveOn.swift +// RxSwift +// +// Created by Krunoslav Zaher on 7/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Wraps the source sequence in order to run its observer callbacks on the specified scheduler. + + This only invokes observer callbacks on a `scheduler`. In case the subscription and/or unsubscription + actions have side-effects that require to be run on a scheduler, use `subscribeOn`. + + - seealso: [observeOn operator on reactivex.io](http://reactivex.io/documentation/operators/observeon.html) + + - parameter scheduler: Scheduler to notify observers on. + - returns: The source sequence whose observations happen on the specified scheduler. + */ + public func observe(on scheduler: ImmediateSchedulerType) + -> Observable { + guard let serialScheduler = scheduler as? SerialDispatchQueueScheduler else { + return ObserveOn(source: self.asObservable(), scheduler: scheduler) + } + + return ObserveOnSerialDispatchQueue(source: self.asObservable(), + scheduler: serialScheduler) + } + + /** + Wraps the source sequence in order to run its observer callbacks on the specified scheduler. + + This only invokes observer callbacks on a `scheduler`. In case the subscription and/or unsubscription + actions have side-effects that require to be run on a scheduler, use `subscribeOn`. + + - seealso: [observeOn operator on reactivex.io](http://reactivex.io/documentation/operators/observeon.html) + + - parameter scheduler: Scheduler to notify observers on. + - returns: The source sequence whose observations happen on the specified scheduler. + */ + @available(*, deprecated, renamed: "observe(on:)") + public func observeOn(_ scheduler: ImmediateSchedulerType) + -> Observable { + observe(on: scheduler) + } +} + +final private class ObserveOn: Producer { + let scheduler: ImmediateSchedulerType + let source: Observable + + init(source: Observable, scheduler: ImmediateSchedulerType) { + self.scheduler = scheduler + self.source = source + +#if TRACE_RESOURCES + _ = Resources.incrementTotal() +#endif + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = ObserveOnSink(scheduler: self.scheduler, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } + +#if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + } +#endif +} + +enum ObserveOnState : Int32 { + // pump is not running + case stopped = 0 + // pump is running + case running = 1 +} + +final private class ObserveOnSink: ObserverBase { + typealias Element = Observer.Element + + let scheduler: ImmediateSchedulerType + + var lock = SpinLock() + let observer: Observer + + // state + var state = ObserveOnState.stopped + var queue = Queue>(capacity: 10) + + let scheduleDisposable = SerialDisposable() + let cancel: Cancelable + + init(scheduler: ImmediateSchedulerType, observer: Observer, cancel: Cancelable) { + self.scheduler = scheduler + self.observer = observer + self.cancel = cancel + } + + override func onCore(_ event: Event) { + let shouldStart = self.lock.performLocked { () -> Bool in + self.queue.enqueue(event) + + switch self.state { + case .stopped: + self.state = .running + return true + case .running: + return false + } + } + + if shouldStart { + self.scheduleDisposable.disposable = self.scheduler.scheduleRecursive((), action: self.run) + } + } + + func run(_ state: (), _ recurse: (()) -> Void) { + let (nextEvent, observer) = self.lock.performLocked { () -> (Event?, Observer) in + if !self.queue.isEmpty { + return (self.queue.dequeue(), self.observer) + } + else { + self.state = .stopped + return (nil, self.observer) + } + } + + if let nextEvent = nextEvent, !self.cancel.isDisposed { + observer.on(nextEvent) + if nextEvent.isStopEvent { + self.dispose() + } + } + else { + return + } + + let shouldContinue = self.shouldContinue_synchronized() + + if shouldContinue { + recurse(()) + } + } + + func shouldContinue_synchronized() -> Bool { + self.lock.performLocked { + let isEmpty = self.queue.isEmpty + if isEmpty { self.state = .stopped } + return !isEmpty + } + } + + override func dispose() { + super.dispose() + + self.cancel.dispose() + self.scheduleDisposable.dispose() + } +} + +#if TRACE_RESOURCES + private let numberOfSerialDispatchObservables = AtomicInt(0) + extension Resources { + /** + Counts number of `SerialDispatchQueueObservables`. + + Purposed for unit tests. + */ + public static var numberOfSerialDispatchQueueObservables: Int32 { + return load(numberOfSerialDispatchObservables) + } + } +#endif + +final private class ObserveOnSerialDispatchQueueSink: ObserverBase { + let scheduler: SerialDispatchQueueScheduler + let observer: Observer + + let cancel: Cancelable + + var cachedScheduleLambda: (((sink: ObserveOnSerialDispatchQueueSink, event: Event)) -> Disposable)! + + init(scheduler: SerialDispatchQueueScheduler, observer: Observer, cancel: Cancelable) { + self.scheduler = scheduler + self.observer = observer + self.cancel = cancel + super.init() + + self.cachedScheduleLambda = { pair in + guard !cancel.isDisposed else { return Disposables.create() } + + pair.sink.observer.on(pair.event) + + if pair.event.isStopEvent { + pair.sink.dispose() + } + + return Disposables.create() + } + } + + override func onCore(_ event: Event) { + _ = self.scheduler.schedule((self, event), action: self.cachedScheduleLambda!) + } + + override func dispose() { + super.dispose() + + self.cancel.dispose() + } +} + +final private class ObserveOnSerialDispatchQueue: Producer { + let scheduler: SerialDispatchQueueScheduler + let source: Observable + + init(source: Observable, scheduler: SerialDispatchQueueScheduler) { + self.scheduler = scheduler + self.source = source + + #if TRACE_RESOURCES + _ = Resources.incrementTotal() + _ = increment(numberOfSerialDispatchObservables) + #endif + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = ObserveOnSerialDispatchQueueSink(scheduler: self.scheduler, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } + + #if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + _ = decrement(numberOfSerialDispatchObservables) + } + #endif +} diff --git a/Pods/RxSwift/RxSwift/Observables/Optional.swift b/Pods/RxSwift/RxSwift/Observables/Optional.swift new file mode 100644 index 0000000..64f8f1f --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Optional.swift @@ -0,0 +1,95 @@ +// +// Optional.swift +// RxSwift +// +// Created by tarunon on 2016/12/13. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Converts a optional to an observable sequence. + + - seealso: [from operator on reactivex.io](http://reactivex.io/documentation/operators/from.html) + + - parameter optional: Optional element in the resulting observable sequence. + - returns: An observable sequence containing the wrapped value or not from given optional. + */ + public static func from(optional: Element?) -> Observable { + ObservableOptional(optional: optional) + } + + /** + Converts a optional to an observable sequence. + + - seealso: [from operator on reactivex.io](http://reactivex.io/documentation/operators/from.html) + + - parameter optional: Optional element in the resulting observable sequence. + - parameter scheduler: Scheduler to send the optional element on. + - returns: An observable sequence containing the wrapped value or not from given optional. + */ + public static func from(optional: Element?, scheduler: ImmediateSchedulerType) -> Observable { + ObservableOptionalScheduled(optional: optional, scheduler: scheduler) + } +} + +final private class ObservableOptionalScheduledSink: Sink { + typealias Element = Observer.Element + typealias Parent = ObservableOptionalScheduled + + private let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + return self.parent.scheduler.schedule(self.parent.optional) { (optional: Element?) -> Disposable in + if let next = optional { + self.forwardOn(.next(next)) + return self.parent.scheduler.schedule(()) { _ in + self.forwardOn(.completed) + self.dispose() + return Disposables.create() + } + } else { + self.forwardOn(.completed) + self.dispose() + return Disposables.create() + } + } + } +} + +final private class ObservableOptionalScheduled: Producer { + fileprivate let optional: Element? + fileprivate let scheduler: ImmediateSchedulerType + + init(optional: Element?, scheduler: ImmediateSchedulerType) { + self.optional = optional + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = ObservableOptionalScheduledSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + +final private class ObservableOptional: Producer { + private let optional: Element? + + init(optional: Element?) { + self.optional = optional + } + + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + if let element = self.optional { + observer.on(.next(element)) + } + observer.on(.completed) + return Disposables.create() + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Producer.swift b/Pods/RxSwift/RxSwift/Observables/Producer.swift new file mode 100644 index 0000000..e611930 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Producer.swift @@ -0,0 +1,92 @@ +// +// Producer.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/20/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +class Producer: Observable { + override init() { + super.init() + } + + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + if !CurrentThreadScheduler.isScheduleRequired { + // The returned disposable needs to release all references once it was disposed. + let disposer = SinkDisposer() + let sinkAndSubscription = self.run(observer, cancel: disposer) + disposer.setSinkAndSubscription(sink: sinkAndSubscription.sink, subscription: sinkAndSubscription.subscription) + + return disposer + } + else { + return CurrentThreadScheduler.instance.schedule(()) { _ in + let disposer = SinkDisposer() + let sinkAndSubscription = self.run(observer, cancel: disposer) + disposer.setSinkAndSubscription(sink: sinkAndSubscription.sink, subscription: sinkAndSubscription.subscription) + + return disposer + } + } + } + + func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + rxAbstractMethod() + } +} + +private final class SinkDisposer: Cancelable { + private enum DisposeState: Int32 { + case disposed = 1 + case sinkAndSubscriptionSet = 2 + } + + private let state = AtomicInt(0) + private var sink: Disposable? + private var subscription: Disposable? + + var isDisposed: Bool { + isFlagSet(self.state, DisposeState.disposed.rawValue) + } + + func setSinkAndSubscription(sink: Disposable, subscription: Disposable) { + self.sink = sink + self.subscription = subscription + + let previousState = fetchOr(self.state, DisposeState.sinkAndSubscriptionSet.rawValue) + if (previousState & DisposeState.sinkAndSubscriptionSet.rawValue) != 0 { + rxFatalError("Sink and subscription were already set") + } + + if (previousState & DisposeState.disposed.rawValue) != 0 { + sink.dispose() + subscription.dispose() + self.sink = nil + self.subscription = nil + } + } + + func dispose() { + let previousState = fetchOr(self.state, DisposeState.disposed.rawValue) + + if (previousState & DisposeState.disposed.rawValue) != 0 { + return + } + + if (previousState & DisposeState.sinkAndSubscriptionSet.rawValue) != 0 { + guard let sink = self.sink else { + rxFatalError("Sink not set") + } + guard let subscription = self.subscription else { + rxFatalError("Subscription not set") + } + + sink.dispose() + subscription.dispose() + + self.sink = nil + self.subscription = nil + } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Range.swift b/Pods/RxSwift/RxSwift/Observables/Range.swift new file mode 100644 index 0000000..2453532 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Range.swift @@ -0,0 +1,73 @@ +// +// Range.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/13/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType where Element: RxAbstractInteger { + /** + Generates an observable sequence of integral numbers within a specified range, using the specified scheduler to generate and send out observer messages. + + - seealso: [range operator on reactivex.io](http://reactivex.io/documentation/operators/range.html) + + - parameter start: The value of the first integer in the sequence. + - parameter count: The number of sequential integers to generate. + - parameter scheduler: Scheduler to run the generator loop on. + - returns: An observable sequence that contains a range of sequential integral numbers. + */ + public static func range(start: Element, count: Element, scheduler: ImmediateSchedulerType = CurrentThreadScheduler.instance) -> Observable { + RangeProducer(start: start, count: count, scheduler: scheduler) + } +} + +final private class RangeProducer: Producer { + fileprivate let start: Element + fileprivate let count: Element + fileprivate let scheduler: ImmediateSchedulerType + + init(start: Element, count: Element, scheduler: ImmediateSchedulerType) { + guard count >= 0 else { + rxFatalError("count can't be negative") + } + + guard start &+ (count - 1) >= start || count == 0 else { + rxFatalError("overflow of count") + } + + self.start = start + self.count = count + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = RangeSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + +final private class RangeSink: Sink where Observer.Element: RxAbstractInteger { + typealias Parent = RangeProducer + + private let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + return self.parent.scheduler.scheduleRecursive(0 as Observer.Element) { i, recurse in + if i < self.parent.count { + self.forwardOn(.next(self.parent.start + i)) + recurse(i + 1) + } + else { + self.forwardOn(.completed) + self.dispose() + } + } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Reduce.swift b/Pods/RxSwift/RxSwift/Observables/Reduce.swift new file mode 100644 index 0000000..d5fab34 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Reduce.swift @@ -0,0 +1,109 @@ +// +// Reduce.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/1/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + + +extension ObservableType { + /** + Applies an `accumulator` function over an observable sequence, returning the result of the aggregation as a single element in the result sequence. The specified `seed` value is used as the initial accumulator value. + + For aggregation behavior with incremental intermediate results, see `scan`. + + - seealso: [reduce operator on reactivex.io](http://reactivex.io/documentation/operators/reduce.html) + + - parameter seed: The initial accumulator value. + - parameter accumulator: A accumulator function to be invoked on each element. + - parameter mapResult: A function to transform the final accumulator value into the result value. + - returns: An observable sequence containing a single element with the final accumulator value. + */ + public func reduce(_ seed: A, accumulator: @escaping (A, Element) throws -> A, mapResult: @escaping (A) throws -> Result) + -> Observable { + Reduce(source: self.asObservable(), seed: seed, accumulator: accumulator, mapResult: mapResult) + } + + /** + Applies an `accumulator` function over an observable sequence, returning the result of the aggregation as a single element in the result sequence. The specified `seed` value is used as the initial accumulator value. + + For aggregation behavior with incremental intermediate results, see `scan`. + + - seealso: [reduce operator on reactivex.io](http://reactivex.io/documentation/operators/reduce.html) + + - parameter seed: The initial accumulator value. + - parameter accumulator: A accumulator function to be invoked on each element. + - returns: An observable sequence containing a single element with the final accumulator value. + */ + public func reduce(_ seed: A, accumulator: @escaping (A, Element) throws -> A) + -> Observable { + Reduce(source: self.asObservable(), seed: seed, accumulator: accumulator, mapResult: { $0 }) + } +} + +final private class ReduceSink: Sink, ObserverType { + typealias ResultType = Observer.Element + typealias Parent = Reduce + + private let parent: Parent + private var accumulation: AccumulateType + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.accumulation = parent.seed + + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + do { + self.accumulation = try self.parent.accumulator(self.accumulation, value) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + case .error(let e): + self.forwardOn(.error(e)) + self.dispose() + case .completed: + do { + let result = try self.parent.mapResult(self.accumulation) + self.forwardOn(.next(result)) + self.forwardOn(.completed) + self.dispose() + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + } + } +} + +final private class Reduce: Producer { + typealias AccumulatorType = (AccumulateType, SourceType) throws -> AccumulateType + typealias ResultSelectorType = (AccumulateType) throws -> ResultType + + private let source: Observable + fileprivate let seed: AccumulateType + fileprivate let accumulator: AccumulatorType + fileprivate let mapResult: ResultSelectorType + + init(source: Observable, seed: AccumulateType, accumulator: @escaping AccumulatorType, mapResult: @escaping ResultSelectorType) { + self.source = source + self.seed = seed + self.accumulator = accumulator + self.mapResult = mapResult + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == ResultType { + let sink = ReduceSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} + diff --git a/Pods/RxSwift/RxSwift/Observables/Repeat.swift b/Pods/RxSwift/RxSwift/Observables/Repeat.swift new file mode 100644 index 0000000..69a3ba0 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Repeat.swift @@ -0,0 +1,57 @@ +// +// Repeat.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/13/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Generates an observable sequence that repeats the given element infinitely, using the specified scheduler to send out observer messages. + + - seealso: [repeat operator on reactivex.io](http://reactivex.io/documentation/operators/repeat.html) + + - parameter element: Element to repeat. + - parameter scheduler: Scheduler to run the producer loop on. + - returns: An observable sequence that repeats the given element infinitely. + */ + public static func repeatElement(_ element: Element, scheduler: ImmediateSchedulerType = CurrentThreadScheduler.instance) -> Observable { + RepeatElement(element: element, scheduler: scheduler) + } +} + +final private class RepeatElement: Producer { + fileprivate let element: Element + fileprivate let scheduler: ImmediateSchedulerType + + init(element: Element, scheduler: ImmediateSchedulerType) { + self.element = element + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = RepeatElementSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + + return (sink: sink, subscription: subscription) + } +} + +final private class RepeatElementSink: Sink { + typealias Parent = RepeatElement + + private let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + return self.parent.scheduler.scheduleRecursive(self.parent.element) { e, recurse in + self.forwardOn(.next(e)) + recurse(e) + } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/RetryWhen.swift b/Pods/RxSwift/RxSwift/Observables/RetryWhen.swift new file mode 100644 index 0000000..1b2a6f1 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/RetryWhen.swift @@ -0,0 +1,211 @@ +// +// RetryWhen.swift +// RxSwift +// +// Created by Junior B. on 06/10/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Repeats the source observable sequence on error when the notifier emits a next value. + If the source observable errors and the notifier completes, it will complete the source sequence. + + - seealso: [retry operator on reactivex.io](http://reactivex.io/documentation/operators/retry.html) + + - parameter notificationHandler: A handler that is passed an observable sequence of errors raised by the source observable and returns and observable that either continues, completes or errors. This behavior is then applied to the source observable. + - returns: An observable sequence producing the elements of the given sequence repeatedly until it terminates successfully or is notified to error or complete. + */ + public func retry(when notificationHandler: @escaping (Observable) -> TriggerObservable) + -> Observable { + RetryWhenSequence(sources: InfiniteSequence(repeatedValue: self.asObservable()), notificationHandler: notificationHandler) + } + + /** + Repeats the source observable sequence on error when the notifier emits a next value. + If the source observable errors and the notifier completes, it will complete the source sequence. + + - seealso: [retry operator on reactivex.io](http://reactivex.io/documentation/operators/retry.html) + + - parameter notificationHandler: A handler that is passed an observable sequence of errors raised by the source observable and returns and observable that either continues, completes or errors. This behavior is then applied to the source observable. + - returns: An observable sequence producing the elements of the given sequence repeatedly until it terminates successfully or is notified to error or complete. + */ + @available(*, deprecated, renamed: "retry(when:)") + public func retryWhen(_ notificationHandler: @escaping (Observable) -> TriggerObservable) + -> Observable { + retry(when: notificationHandler) + } + + /** + Repeats the source observable sequence on error when the notifier emits a next value. + If the source observable errors and the notifier completes, it will complete the source sequence. + + - seealso: [retry operator on reactivex.io](http://reactivex.io/documentation/operators/retry.html) + + - parameter notificationHandler: A handler that is passed an observable sequence of errors raised by the source observable and returns and observable that either continues, completes or errors. This behavior is then applied to the source observable. + - returns: An observable sequence producing the elements of the given sequence repeatedly until it terminates successfully or is notified to error or complete. + */ + public func retry(when notificationHandler: @escaping (Observable) -> TriggerObservable) + -> Observable { + RetryWhenSequence(sources: InfiniteSequence(repeatedValue: self.asObservable()), notificationHandler: notificationHandler) + } + + /** + Repeats the source observable sequence on error when the notifier emits a next value. + If the source observable errors and the notifier completes, it will complete the source sequence. + + - seealso: [retry operator on reactivex.io](http://reactivex.io/documentation/operators/retry.html) + + - parameter notificationHandler: A handler that is passed an observable sequence of errors raised by the source observable and returns and observable that either continues, completes or errors. This behavior is then applied to the source observable. + - returns: An observable sequence producing the elements of the given sequence repeatedly until it terminates successfully or is notified to error or complete. + */ + @available(*, deprecated, renamed: "retry(when:)") + public func retryWhen(_ notificationHandler: @escaping (Observable) -> TriggerObservable) + -> Observable { + RetryWhenSequence(sources: InfiniteSequence(repeatedValue: self.asObservable()), notificationHandler: notificationHandler) + } +} + +final private class RetryTriggerSink + : ObserverType where Sequence.Element: ObservableType, Sequence.Element.Element == Observer.Element { + typealias Element = TriggerObservable.Element + + typealias Parent = RetryWhenSequenceSinkIter + + private let parent: Parent + + init(parent: Parent) { + self.parent = parent + } + + func on(_ event: Event) { + switch event { + case .next: + self.parent.parent.lastError = nil + self.parent.parent.schedule(.moveNext) + case .error(let e): + self.parent.parent.forwardOn(.error(e)) + self.parent.parent.dispose() + case .completed: + self.parent.parent.forwardOn(.completed) + self.parent.parent.dispose() + } + } +} + +final private class RetryWhenSequenceSinkIter + : ObserverType + , Disposable where Sequence.Element: ObservableType, Sequence.Element.Element == Observer.Element { + typealias Element = Observer.Element + typealias Parent = RetryWhenSequenceSink + + fileprivate let parent: Parent + private let errorHandlerSubscription = SingleAssignmentDisposable() + private let subscription: Disposable + + init(parent: Parent, subscription: Disposable) { + self.parent = parent + self.subscription = subscription + } + + func on(_ event: Event) { + switch event { + case .next: + self.parent.forwardOn(event) + case .error(let error): + self.parent.lastError = error + + if let failedWith = error as? Error { + // dispose current subscription + self.subscription.dispose() + + let errorHandlerSubscription = self.parent.notifier.subscribe(RetryTriggerSink(parent: self)) + self.errorHandlerSubscription.setDisposable(errorHandlerSubscription) + self.parent.errorSubject.on(.next(failedWith)) + } + else { + self.parent.forwardOn(.error(error)) + self.parent.dispose() + } + case .completed: + self.parent.forwardOn(event) + self.parent.dispose() + } + } + + final func dispose() { + self.subscription.dispose() + self.errorHandlerSubscription.dispose() + } +} + +final private class RetryWhenSequenceSink + : TailRecursiveSink where Sequence.Element: ObservableType, Sequence.Element.Element == Observer.Element { + typealias Element = Observer.Element + typealias Parent = RetryWhenSequence + + let lock = RecursiveLock() + + private let parent: Parent + + fileprivate var lastError: Swift.Error? + fileprivate let errorSubject = PublishSubject() + private let handler: Observable + fileprivate let notifier = PublishSubject() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.handler = parent.notificationHandler(self.errorSubject).asObservable() + super.init(observer: observer, cancel: cancel) + } + + override func done() { + if let lastError = self.lastError { + self.forwardOn(.error(lastError)) + self.lastError = nil + } + else { + self.forwardOn(.completed) + } + + self.dispose() + } + + override func extract(_ observable: Observable) -> SequenceGenerator? { + // It is important to always return `nil` here because there are side effects in the `run` method + // that are dependant on particular `retryWhen` operator so single operator stack can't be reused in this + // case. + return nil + } + + override func subscribeToNext(_ source: Observable) -> Disposable { + let subscription = SingleAssignmentDisposable() + let iter = RetryWhenSequenceSinkIter(parent: self, subscription: subscription) + subscription.setDisposable(source.subscribe(iter)) + return iter + } + + override func run(_ sources: SequenceGenerator) -> Disposable { + let triggerSubscription = self.handler.subscribe(self.notifier.asObserver()) + let superSubscription = super.run(sources) + return Disposables.create(superSubscription, triggerSubscription) + } +} + +final private class RetryWhenSequence: Producer where Sequence.Element: ObservableType { + typealias Element = Sequence.Element.Element + + private let sources: Sequence + fileprivate let notificationHandler: (Observable) -> TriggerObservable + + init(sources: Sequence, notificationHandler: @escaping (Observable) -> TriggerObservable) { + self.sources = sources + self.notificationHandler = notificationHandler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = RetryWhenSequenceSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run((self.sources.makeIterator(), nil)) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Sample.swift b/Pods/RxSwift/RxSwift/Observables/Sample.swift new file mode 100644 index 0000000..9301c9a --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Sample.swift @@ -0,0 +1,139 @@ +// +// Sample.swift +// RxSwift +// +// Created by Krunoslav Zaher on 5/1/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Samples the source observable sequence using a sampler observable sequence producing sampling ticks. + + Upon each sampling tick, the latest element (if any) in the source sequence during the last sampling interval is sent to the resulting sequence. + + **In case there were no new elements between sampler ticks, you may provide a default value to be emitted, instead + to the resulting sequence otherwise no element is sent.** + + - seealso: [sample operator on reactivex.io](http://reactivex.io/documentation/operators/sample.html) + + - parameter sampler: Sampling tick sequence. + - parameter defaultValue: a value to return if there are no new elements between sampler ticks + - returns: Sampled observable sequence. + */ + public func sample(_ sampler: Source, defaultValue: Element? = nil) + -> Observable { + return Sample(source: self.asObservable(), sampler: sampler.asObservable(), defaultValue: defaultValue) + } +} + +final private class SamplerSink + : ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias Element = SampleType + + typealias Parent = SampleSequenceSink + + private let parent: Parent + + var lock: RecursiveLock { + self.parent.lock + } + + init(parent: Parent) { + self.parent = parent + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next, .completed: + if let element = parent.element ?? self.parent.defaultValue { + self.parent.element = nil + self.parent.forwardOn(.next(element)) + } + + if self.parent.atEnd { + self.parent.forwardOn(.completed) + self.parent.dispose() + } + case .error(let e): + self.parent.forwardOn(.error(e)) + self.parent.dispose() + } + } +} + +final private class SampleSequenceSink + : Sink + , ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias Element = Observer.Element + typealias Parent = Sample + + fileprivate let parent: Parent + fileprivate let defaultValue: Element? + + let lock = RecursiveLock() + + // state + fileprivate var element = nil as Element? + fileprivate var atEnd = false + + private let sourceSubscription = SingleAssignmentDisposable() + + init(parent: Parent, observer: Observer, cancel: Cancelable, defaultValue: Element? = nil) { + self.parent = parent + self.defaultValue = defaultValue + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + self.sourceSubscription.setDisposable(self.parent.source.subscribe(self)) + let samplerSubscription = self.parent.sampler.subscribe(SamplerSink(parent: self)) + + return Disposables.create(sourceSubscription, samplerSubscription) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next(let element): + self.element = element + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + self.atEnd = true + self.sourceSubscription.dispose() + } + } + +} + +final private class Sample: Producer { + fileprivate let source: Observable + fileprivate let sampler: Observable + fileprivate let defaultValue: Element? + + init(source: Observable, sampler: Observable, defaultValue: Element? = nil) { + self.source = source + self.sampler = sampler + self.defaultValue = defaultValue + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = SampleSequenceSink(parent: self, observer: observer, cancel: cancel, defaultValue: self.defaultValue) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Scan.swift b/Pods/RxSwift/RxSwift/Observables/Scan.swift new file mode 100644 index 0000000..ecf69c8 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Scan.swift @@ -0,0 +1,100 @@ +// +// Scan.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/14/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Applies an accumulator function over an observable sequence and returns each intermediate result. The specified seed value is used as the initial accumulator value. + + For aggregation behavior with no intermediate results, see `reduce`. + + - seealso: [scan operator on reactivex.io](http://reactivex.io/documentation/operators/scan.html) + + - parameter seed: The initial accumulator value. + - parameter accumulator: An accumulator function to be invoked on each element. + - returns: An observable sequence containing the accumulated values. + */ + public func scan(into seed: A, accumulator: @escaping (inout A, Element) throws -> Void) + -> Observable { + Scan(source: self.asObservable(), seed: seed, accumulator: accumulator) + } + + /** + Applies an accumulator function over an observable sequence and returns each intermediate result. The specified seed value is used as the initial accumulator value. + + For aggregation behavior with no intermediate results, see `reduce`. + + - seealso: [scan operator on reactivex.io](http://reactivex.io/documentation/operators/scan.html) + + - parameter seed: The initial accumulator value. + - parameter accumulator: An accumulator function to be invoked on each element. + - returns: An observable sequence containing the accumulated values. + */ + public func scan(_ seed: A, accumulator: @escaping (A, Element) throws -> A) + -> Observable { + return Scan(source: self.asObservable(), seed: seed) { acc, element in + let currentAcc = acc + acc = try accumulator(currentAcc, element) + } + } +} + +final private class ScanSink: Sink, ObserverType { + typealias Accumulate = Observer.Element + typealias Parent = Scan + + private let parent: Parent + private var accumulate: Accumulate + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.accumulate = parent.seed + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let element): + do { + try self.parent.accumulator(&self.accumulate, element) + self.forwardOn(.next(self.accumulate)) + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.forwardOn(.completed) + self.dispose() + } + } + +} + +final private class Scan: Producer { + typealias Accumulator = (inout Accumulate, Element) throws -> Void + + private let source: Observable + fileprivate let seed: Accumulate + fileprivate let accumulator: Accumulator + + init(source: Observable, seed: Accumulate, accumulator: @escaping Accumulator) { + self.source = source + self.seed = seed + self.accumulator = accumulator + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Accumulate { + let sink = ScanSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Sequence.swift b/Pods/RxSwift/RxSwift/Observables/Sequence.swift new file mode 100644 index 0000000..c6d1089 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Sequence.swift @@ -0,0 +1,89 @@ +// +// Sequence.swift +// RxSwift +// +// Created by Krunoslav Zaher on 11/14/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + // MARK: of + + /** + This method creates a new Observable instance with a variable number of elements. + + - seealso: [from operator on reactivex.io](http://reactivex.io/documentation/operators/from.html) + + - parameter elements: Elements to generate. + - parameter scheduler: Scheduler to send elements on. If `nil`, elements are sent immediately on subscription. + - returns: The observable sequence whose elements are pulled from the given arguments. + */ + public static func of(_ elements: Element ..., scheduler: ImmediateSchedulerType = CurrentThreadScheduler.instance) -> Observable { + ObservableSequence(elements: elements, scheduler: scheduler) + } +} + +extension ObservableType { + /** + Converts an array to an observable sequence. + + - seealso: [from operator on reactivex.io](http://reactivex.io/documentation/operators/from.html) + + - returns: The observable sequence whose elements are pulled from the given enumerable sequence. + */ + public static func from(_ array: [Element], scheduler: ImmediateSchedulerType = CurrentThreadScheduler.instance) -> Observable { + ObservableSequence(elements: array, scheduler: scheduler) + } + + /** + Converts a sequence to an observable sequence. + + - seealso: [from operator on reactivex.io](http://reactivex.io/documentation/operators/from.html) + + - returns: The observable sequence whose elements are pulled from the given enumerable sequence. + */ + public static func from(_ sequence: Sequence, scheduler: ImmediateSchedulerType = CurrentThreadScheduler.instance) -> Observable where Sequence.Element == Element { + ObservableSequence(elements: sequence, scheduler: scheduler) + } +} + +final private class ObservableSequenceSink: Sink where Sequence.Element == Observer.Element { + typealias Parent = ObservableSequence + + private let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + return self.parent.scheduler.scheduleRecursive(self.parent.elements.makeIterator()) { iterator, recurse in + var mutableIterator = iterator + if let next = mutableIterator.next() { + self.forwardOn(.next(next)) + recurse(mutableIterator) + } + else { + self.forwardOn(.completed) + self.dispose() + } + } + } +} + +final private class ObservableSequence: Producer { + fileprivate let elements: Sequence + fileprivate let scheduler: ImmediateSchedulerType + + init(elements: Sequence, scheduler: ImmediateSchedulerType) { + self.elements = elements + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = ObservableSequenceSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/ShareReplayScope.swift b/Pods/RxSwift/RxSwift/Observables/ShareReplayScope.swift new file mode 100644 index 0000000..59d440d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/ShareReplayScope.swift @@ -0,0 +1,443 @@ +// +// ShareReplayScope.swift +// RxSwift +// +// Created by Krunoslav Zaher on 5/28/17. +// Copyright © 2017 Krunoslav Zaher. All rights reserved. +// + +/// Subject lifetime scope +public enum SubjectLifetimeScope { + /** + **Each connection will have it's own subject instance to store replay events.** + **Connections will be isolated from each another.** + + Configures the underlying implementation to behave equivalent to. + + ``` + source.multicast(makeSubject: { MySubject() }).refCount() + ``` + + **This is the recommended default.** + + This has the following consequences: + * `retry` or `concat` operators will function as expected because terminating the sequence will clear internal state. + * Each connection to source observable sequence will use it's own subject. + * When the number of subscribers drops from 1 to 0 and connection to source sequence is disposed, subject will be cleared. + + + ``` + let xs = Observable.deferred { () -> Observable in + print("Performing work ...") + return Observable.just(Date().timeIntervalSince1970) + } + .share(replay: 1, scope: .whileConnected) + + _ = xs.subscribe(onNext: { print("next \($0)") }, onCompleted: { print("completed\n") }) + _ = xs.subscribe(onNext: { print("next \($0)") }, onCompleted: { print("completed\n") }) + _ = xs.subscribe(onNext: { print("next \($0)") }, onCompleted: { print("completed\n") }) + + ``` + + Notice how time interval is different and `Performing work ...` is printed each time) + + ``` + Performing work ... + next 1495998900.82141 + completed + + Performing work ... + next 1495998900.82359 + completed + + Performing work ... + next 1495998900.82444 + completed + + + ``` + + */ + case whileConnected + + /** + **One subject will store replay events for all connections to source.** + **Connections won't be isolated from each another.** + + Configures the underlying implementation behave equivalent to. + + ``` + source.multicast(MySubject()).refCount() + ``` + + This has the following consequences: + * Using `retry` or `concat` operators after this operator usually isn't advised. + * Each connection to source observable sequence will share the same subject. + * After number of subscribers drops from 1 to 0 and connection to source observable sequence is dispose, this operator will + continue holding a reference to the same subject. + If at some later moment a new observer initiates a new connection to source it can potentially receive + some of the stale events received during previous connection. + * After source sequence terminates any new observer will always immediately receive replayed elements and terminal event. + No new subscriptions to source observable sequence will be attempted. + + ``` + let xs = Observable.deferred { () -> Observable in + print("Performing work ...") + return Observable.just(Date().timeIntervalSince1970) + } + .share(replay: 1, scope: .forever) + + _ = xs.subscribe(onNext: { print("next \($0)") }, onCompleted: { print("completed\n") }) + _ = xs.subscribe(onNext: { print("next \($0)") }, onCompleted: { print("completed\n") }) + _ = xs.subscribe(onNext: { print("next \($0)") }, onCompleted: { print("completed\n") }) + ``` + + Notice how time interval is the same, replayed, and `Performing work ...` is printed only once + + ``` + Performing work ... + next 1495999013.76356 + completed + + next 1495999013.76356 + completed + + next 1495999013.76356 + completed + ``` + + */ + case forever +} + +extension ObservableType { + + /** + Returns an observable sequence that **shares a single subscription to the underlying sequence**, and immediately upon subscription replays elements in buffer. + + This operator is equivalent to: + * `.whileConnected` + ``` + // Each connection will have it's own subject instance to store replay events. + // Connections will be isolated from each another. + source.multicast(makeSubject: { Replay.create(bufferSize: replay) }).refCount() + ``` + * `.forever` + ``` + // One subject will store replay events for all connections to source. + // Connections won't be isolated from each another. + source.multicast(Replay.create(bufferSize: replay)).refCount() + ``` + + It uses optimized versions of the operators for most common operations. + + - parameter replay: Maximum element count of the replay buffer. + - parameter scope: Lifetime scope of sharing subject. For more information see `SubjectLifetimeScope` enum. + + - seealso: [shareReplay operator on reactivex.io](http://reactivex.io/documentation/operators/replay.html) + + - returns: An observable sequence that contains the elements of a sequence produced by multicasting the source sequence. + */ + public func share(replay: Int = 0, scope: SubjectLifetimeScope = .whileConnected) + -> Observable { + switch scope { + case .forever: + switch replay { + case 0: return self.multicast(PublishSubject()).refCount() + default: return self.multicast(ReplaySubject.create(bufferSize: replay)).refCount() + } + case .whileConnected: + switch replay { + case 0: return ShareWhileConnected(source: self.asObservable()) + case 1: return ShareReplay1WhileConnected(source: self.asObservable()) + default: return self.multicast(makeSubject: { ReplaySubject.create(bufferSize: replay) }).refCount() + } + } + } +} + +private final class ShareReplay1WhileConnectedConnection + : ObserverType + , SynchronizedUnsubscribeType { + typealias Observers = AnyObserver.s + typealias DisposeKey = Observers.KeyType + + typealias Parent = ShareReplay1WhileConnected + private let parent: Parent + private let subscription = SingleAssignmentDisposable() + + private let lock: RecursiveLock + private var disposed: Bool = false + fileprivate var observers = Observers() + private var element: Element? + + init(parent: Parent, lock: RecursiveLock) { + self.parent = parent + self.lock = lock + + #if TRACE_RESOURCES + _ = Resources.incrementTotal() + #endif + } + + final func on(_ event: Event) { + let observers = self.lock.performLocked { self.synchronized_on(event) } + dispatch(observers, event) + } + + final private func synchronized_on(_ event: Event) -> Observers { + if self.disposed { + return Observers() + } + + switch event { + case .next(let element): + self.element = element + return self.observers + case .error, .completed: + let observers = self.observers + self.synchronized_dispose() + return observers + } + } + + final func connect() { + self.subscription.setDisposable(self.parent.source.subscribe(self)) + } + + final func synchronized_subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + self.lock.performLocked { + if let element = self.element { + observer.on(.next(element)) + } + + let disposeKey = self.observers.insert(observer.on) + + return SubscriptionDisposable(owner: self, key: disposeKey) + } + } + + final private func synchronized_dispose() { + self.disposed = true + if self.parent.connection === self { + self.parent.connection = nil + } + self.observers = Observers() + } + + final func synchronizedUnsubscribe(_ disposeKey: DisposeKey) { + if self.lock.performLocked({ self.synchronized_unsubscribe(disposeKey) }) { + self.subscription.dispose() + } + } + + @inline(__always) + final private func synchronized_unsubscribe(_ disposeKey: DisposeKey) -> Bool { + // if already unsubscribed, just return + if self.observers.removeKey(disposeKey) == nil { + return false + } + + if self.observers.count == 0 { + self.synchronized_dispose() + return true + } + + return false + } + + #if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + } + #endif +} + +// optimized version of share replay for most common case +final private class ShareReplay1WhileConnected + : Observable { + + fileprivate typealias Connection = ShareReplay1WhileConnectedConnection + + fileprivate let source: Observable + + private let lock = RecursiveLock() + + fileprivate var connection: Connection? + + init(source: Observable) { + self.source = source + } + + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + self.lock.lock() + let connection = self.synchronized_subscribe(observer) + let count = connection.observers.count + + let disposable = connection.synchronized_subscribe(observer) + self.lock.unlock() + + if count == 0 { + connection.connect() + } + + return disposable + } + + @inline(__always) + private func synchronized_subscribe(_ observer: Observer) -> Connection where Observer.Element == Element { + let connection: Connection + + if let existingConnection = self.connection { + connection = existingConnection + } + else { + connection = ShareReplay1WhileConnectedConnection( + parent: self, + lock: self.lock) + self.connection = connection + } + + return connection + } +} + +private final class ShareWhileConnectedConnection + : ObserverType + , SynchronizedUnsubscribeType { + typealias Observers = AnyObserver.s + typealias DisposeKey = Observers.KeyType + + typealias Parent = ShareWhileConnected + private let parent: Parent + private let subscription = SingleAssignmentDisposable() + + private let lock: RecursiveLock + private var disposed: Bool = false + fileprivate var observers = Observers() + + init(parent: Parent, lock: RecursiveLock) { + self.parent = parent + self.lock = lock + + #if TRACE_RESOURCES + _ = Resources.incrementTotal() + #endif + } + + final func on(_ event: Event) { + let observers = self.lock.performLocked { self.synchronized_on(event) } + dispatch(observers, event) + } + + final private func synchronized_on(_ event: Event) -> Observers { + if self.disposed { + return Observers() + } + + switch event { + case .next: + return self.observers + case .error, .completed: + let observers = self.observers + self.synchronized_dispose() + return observers + } + } + + final func connect() { + self.subscription.setDisposable(self.parent.source.subscribe(self)) + } + + final func synchronized_subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + self.lock.performLocked { + let disposeKey = self.observers.insert(observer.on) + + return SubscriptionDisposable(owner: self, key: disposeKey) + } + } + + final private func synchronized_dispose() { + self.disposed = true + if self.parent.connection === self { + self.parent.connection = nil + } + self.observers = Observers() + } + + final func synchronizedUnsubscribe(_ disposeKey: DisposeKey) { + if self.lock.performLocked({ self.synchronized_unsubscribe(disposeKey) }) { + self.subscription.dispose() + } + } + + @inline(__always) + final private func synchronized_unsubscribe(_ disposeKey: DisposeKey) -> Bool { + // if already unsubscribed, just return + if self.observers.removeKey(disposeKey) == nil { + return false + } + + if self.observers.count == 0 { + self.synchronized_dispose() + return true + } + + return false + } + + #if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + } + #endif +} + +// optimized version of share replay for most common case +final private class ShareWhileConnected + : Observable { + + fileprivate typealias Connection = ShareWhileConnectedConnection + + fileprivate let source: Observable + + private let lock = RecursiveLock() + + fileprivate var connection: Connection? + + init(source: Observable) { + self.source = source + } + + override func subscribe(_ observer: Observer) -> Disposable where Observer.Element == Element { + self.lock.lock() + let connection = self.synchronized_subscribe(observer) + let count = connection.observers.count + + let disposable = connection.synchronized_subscribe(observer) + self.lock.unlock() + + if count == 0 { + connection.connect() + } + + return disposable + } + + @inline(__always) + private func synchronized_subscribe(_ observer: Observer) -> Connection where Observer.Element == Element { + let connection: Connection + + if let existingConnection = self.connection { + connection = existingConnection + } + else { + connection = ShareWhileConnectedConnection( + parent: self, + lock: self.lock) + self.connection = connection + } + + return connection + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/SingleAsync.swift b/Pods/RxSwift/RxSwift/Observables/SingleAsync.swift new file mode 100644 index 0000000..04e2217 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/SingleAsync.swift @@ -0,0 +1,104 @@ +// +// SingleAsync.swift +// RxSwift +// +// Created by Junior B. on 09/11/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + The single operator is similar to first, but throws a `RxError.noElements` or `RxError.moreThanOneElement` + if the source Observable does not emit exactly one element before successfully completing. + + - seealso: [single operator on reactivex.io](http://reactivex.io/documentation/operators/first.html) + + - returns: An observable sequence that emits a single element or throws an exception if more (or none) of them are emitted. + */ + public func single() + -> Observable { + SingleAsync(source: self.asObservable()) + } + + /** + The single operator is similar to first, but throws a `RxError.NoElements` or `RxError.MoreThanOneElement` + if the source Observable does not emit exactly one element before successfully completing. + + - seealso: [single operator on reactivex.io](http://reactivex.io/documentation/operators/first.html) + + - parameter predicate: A function to test each source element for a condition. + - returns: An observable sequence that emits a single element or throws an exception if more (or none) of them are emitted. + */ + public func single(_ predicate: @escaping (Element) throws -> Bool) + -> Observable { + SingleAsync(source: self.asObservable(), predicate: predicate) + } +} + +private final class SingleAsyncSink : Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = SingleAsync + + private let parent: Parent + private var seenValue: Bool = false + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + do { + let forward = try self.parent.predicate?(value) ?? true + if !forward { + return + } + } + catch let error { + self.forwardOn(.error(error as Swift.Error)) + self.dispose() + return + } + + if self.seenValue { + self.forwardOn(.error(RxError.moreThanOneElement)) + self.dispose() + return + } + + self.seenValue = true + self.forwardOn(.next(value)) + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + if self.seenValue { + self.forwardOn(.completed) + } else { + self.forwardOn(.error(RxError.noElements)) + } + self.dispose() + } + } +} + +final class SingleAsync: Producer { + typealias Predicate = (Element) throws -> Bool + + private let source: Observable + fileprivate let predicate: Predicate? + + init(source: Observable, predicate: Predicate? = nil) { + self.source = source + self.predicate = predicate + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = SingleAsyncSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Sink.swift b/Pods/RxSwift/RxSwift/Observables/Sink.swift new file mode 100644 index 0000000..ed4fec0 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Sink.swift @@ -0,0 +1,75 @@ +// +// Sink.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/19/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +class Sink: Disposable { + fileprivate let observer: Observer + fileprivate let cancel: Cancelable + private let disposed = AtomicInt(0) + + #if DEBUG + private let synchronizationTracker = SynchronizationTracker() + #endif + + init(observer: Observer, cancel: Cancelable) { +#if TRACE_RESOURCES + _ = Resources.incrementTotal() +#endif + self.observer = observer + self.cancel = cancel + } + + final func forwardOn(_ event: Event) { + #if DEBUG + self.synchronizationTracker.register(synchronizationErrorMessage: .default) + defer { self.synchronizationTracker.unregister() } + #endif + if isFlagSet(self.disposed, 1) { + return + } + self.observer.on(event) + } + + final func forwarder() -> SinkForward { + SinkForward(forward: self) + } + + final var isDisposed: Bool { + isFlagSet(self.disposed, 1) + } + + func dispose() { + fetchOr(self.disposed, 1) + self.cancel.dispose() + } + + deinit { +#if TRACE_RESOURCES + _ = Resources.decrementTotal() +#endif + } +} + +final class SinkForward: ObserverType { + typealias Element = Observer.Element + + private let forward: Sink + + init(forward: Sink) { + self.forward = forward + } + + final func on(_ event: Event) { + switch event { + case .next: + self.forward.observer.on(event) + case .error, .completed: + self.forward.observer.on(event) + self.forward.cancel.dispose() + } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Skip.swift b/Pods/RxSwift/RxSwift/Observables/Skip.swift new file mode 100644 index 0000000..5856f37 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Skip.swift @@ -0,0 +1,158 @@ +// +// Skip.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/25/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Bypasses a specified number of elements in an observable sequence and then returns the remaining elements. + + - seealso: [skip operator on reactivex.io](http://reactivex.io/documentation/operators/skip.html) + + - parameter count: The number of elements to skip before returning the remaining elements. + - returns: An observable sequence that contains the elements that occur after the specified index in the input sequence. + */ + public func skip(_ count: Int) + -> Observable { + SkipCount(source: self.asObservable(), count: count) + } +} + +extension ObservableType { + + /** + Skips elements for the specified duration from the start of the observable source sequence, using the specified scheduler to run timers. + + - seealso: [skip operator on reactivex.io](http://reactivex.io/documentation/operators/skip.html) + + - parameter duration: Duration for skipping elements from the start of the sequence. + - parameter scheduler: Scheduler to run the timer on. + - returns: An observable sequence with the elements skipped during the specified duration from the start of the source sequence. + */ + public func skip(_ duration: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + SkipTime(source: self.asObservable(), duration: duration, scheduler: scheduler) + } +} + +// count version + +final private class SkipCountSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = SkipCount + + let parent: Parent + + var remaining: Int + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.remaining = parent.count + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + + if self.remaining <= 0 { + self.forwardOn(.next(value)) + } + else { + self.remaining -= 1 + } + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + self.forwardOn(event) + self.dispose() + } + } + +} + +final private class SkipCount: Producer { + let source: Observable + let count: Int + + init(source: Observable, count: Int) { + self.source = source + self.count = count + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = SkipCountSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + + return (sink: sink, subscription: subscription) + } +} + +// time version + +final private class SkipTimeSink: Sink, ObserverType where Observer.Element == Element { + typealias Parent = SkipTime + + let parent: Parent + + // state + var open = false + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + if self.open { + self.forwardOn(.next(value)) + } + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + self.forwardOn(event) + self.dispose() + } + } + + func tick() { + self.open = true + } + + func run() -> Disposable { + let disposeTimer = self.parent.scheduler.scheduleRelative((), dueTime: self.parent.duration) { _ in + self.tick() + return Disposables.create() + } + + let disposeSubscription = self.parent.source.subscribe(self) + + return Disposables.create(disposeTimer, disposeSubscription) + } +} + +final private class SkipTime: Producer { + let source: Observable + let duration: RxTimeInterval + let scheduler: SchedulerType + + init(source: Observable, duration: RxTimeInterval, scheduler: SchedulerType) { + self.source = source + self.scheduler = scheduler + self.duration = duration + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = SkipTimeSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/SkipUntil.swift b/Pods/RxSwift/RxSwift/Observables/SkipUntil.swift new file mode 100644 index 0000000..c8fe193 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/SkipUntil.swift @@ -0,0 +1,152 @@ +// +// SkipUntil.swift +// RxSwift +// +// Created by Yury Korolev on 10/3/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns the elements from the source observable sequence that are emitted after the other observable sequence produces an element. + + - seealso: [skipUntil operator on reactivex.io](http://reactivex.io/documentation/operators/skipuntil.html) + + - parameter other: Observable sequence that starts propagation of elements of the source sequence. + - returns: An observable sequence containing the elements of the source sequence that are emitted after the other sequence emits an item. + */ + public func skip(until other: Source) + -> Observable { + SkipUntil(source: self.asObservable(), other: other.asObservable()) + } + + /** + Returns the elements from the source observable sequence that are emitted after the other observable sequence produces an element. + + - seealso: [skipUntil operator on reactivex.io](http://reactivex.io/documentation/operators/skipuntil.html) + + - parameter other: Observable sequence that starts propagation of elements of the source sequence. + - returns: An observable sequence containing the elements of the source sequence that are emitted after the other sequence emits an item. + */ + @available(*, deprecated, renamed: "skip(until:)") + public func skipUntil(_ other: Source) + -> Observable { + skip(until: other) + } +} + +final private class SkipUntilSinkOther + : ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias Parent = SkipUntilSink + typealias Element = Other + + private let parent: Parent + + var lock: RecursiveLock { + self.parent.lock + } + + let subscription = SingleAssignmentDisposable() + + init(parent: Parent) { + self.parent = parent + #if TRACE_RESOURCES + _ = Resources.incrementTotal() + #endif + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next: + self.parent.forwardElements = true + self.subscription.dispose() + case .error(let e): + self.parent.forwardOn(.error(e)) + self.parent.dispose() + case .completed: + self.subscription.dispose() + } + } + + #if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + } + #endif + +} + + +final private class SkipUntilSink + : Sink + , ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias Element = Observer.Element + typealias Parent = SkipUntil + + let lock = RecursiveLock() + private let parent: Parent + fileprivate var forwardElements = false + + private let sourceSubscription = SingleAssignmentDisposable() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next: + if self.forwardElements { + self.forwardOn(event) + } + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + if self.forwardElements { + self.forwardOn(event) + } + self.dispose() + } + } + + func run() -> Disposable { + let sourceSubscription = self.parent.source.subscribe(self) + let otherObserver = SkipUntilSinkOther(parent: self) + let otherSubscription = self.parent.other.subscribe(otherObserver) + self.sourceSubscription.setDisposable(sourceSubscription) + otherObserver.subscription.setDisposable(otherSubscription) + + return Disposables.create(sourceSubscription, otherObserver.subscription) + } +} + +final private class SkipUntil: Producer { + + fileprivate let source: Observable + fileprivate let other: Observable + + init(source: Observable, other: Observable) { + self.source = source + self.other = other + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = SkipUntilSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/SkipWhile.swift b/Pods/RxSwift/RxSwift/Observables/SkipWhile.swift new file mode 100644 index 0000000..a62f88d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/SkipWhile.swift @@ -0,0 +1,87 @@ +// +// SkipWhile.swift +// RxSwift +// +// Created by Yury Korolev on 10/9/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Bypasses elements in an observable sequence as long as a specified condition is true and then returns the remaining elements. + + - seealso: [skipWhile operator on reactivex.io](http://reactivex.io/documentation/operators/skipwhile.html) + + - parameter predicate: A function to test each element for a condition. + - returns: An observable sequence that contains the elements from the input sequence starting at the first element in the linear series that does not pass the test specified by predicate. + */ + public func skip(while predicate: @escaping (Element) throws -> Bool) -> Observable { + SkipWhile(source: self.asObservable(), predicate: predicate) + } + + /** + Bypasses elements in an observable sequence as long as a specified condition is true and then returns the remaining elements. + + - seealso: [skipWhile operator on reactivex.io](http://reactivex.io/documentation/operators/skipwhile.html) + + - parameter predicate: A function to test each element for a condition. + - returns: An observable sequence that contains the elements from the input sequence starting at the first element in the linear series that does not pass the test specified by predicate. + */ + @available(*, deprecated, renamed: "skip(while:)") + public func skipWhile(_ predicate: @escaping (Element) throws -> Bool) -> Observable { + SkipWhile(source: self.asObservable(), predicate: predicate) + } +} + +final private class SkipWhileSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = SkipWhile + + private let parent: Parent + private var running = false + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + if !self.running { + do { + self.running = try !self.parent.predicate(value) + } catch let e { + self.forwardOn(.error(e)) + self.dispose() + return + } + } + + if self.running { + self.forwardOn(.next(value)) + } + case .error, .completed: + self.forwardOn(event) + self.dispose() + } + } +} + +final private class SkipWhile: Producer { + typealias Predicate = (Element) throws -> Bool + + private let source: Observable + fileprivate let predicate: Predicate + + init(source: Observable, predicate: @escaping Predicate) { + self.source = source + self.predicate = predicate + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = SkipWhileSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/StartWith.swift b/Pods/RxSwift/RxSwift/Observables/StartWith.swift new file mode 100644 index 0000000..13fb31d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/StartWith.swift @@ -0,0 +1,42 @@ +// +// StartWith.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/6/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Prepends a sequence of values to an observable sequence. + + - seealso: [startWith operator on reactivex.io](http://reactivex.io/documentation/operators/startwith.html) + + - parameter elements: Elements to prepend to the specified sequence. + - returns: The source sequence prepended with the specified values. + */ + public func startWith(_ elements: Element ...) + -> Observable { + return StartWith(source: self.asObservable(), elements: elements) + } +} + +final private class StartWith: Producer { + let elements: [Element] + let source: Observable + + init(source: Observable, elements: [Element]) { + self.source = source + self.elements = elements + super.init() + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + for e in self.elements { + observer.on(.next(e)) + } + + return (sink: Disposables.create(), subscription: self.source.subscribe(observer)) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/SubscribeOn.swift b/Pods/RxSwift/RxSwift/Observables/SubscribeOn.swift new file mode 100644 index 0000000..e8e41d9 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/SubscribeOn.swift @@ -0,0 +1,103 @@ +// +// SubscribeOn.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/14/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Wraps the source sequence in order to run its subscription and unsubscription logic on the specified + scheduler. + + This operation is not commonly used. + + This only performs the side-effects of subscription and unsubscription on the specified scheduler. + + In order to invoke observer callbacks on a `scheduler`, use `observeOn`. + + - seealso: [subscribeOn operator on reactivex.io](http://reactivex.io/documentation/operators/subscribeon.html) + + - parameter scheduler: Scheduler to perform subscription and unsubscription actions on. + - returns: The source sequence whose subscriptions and unsubscriptions happen on the specified scheduler. + */ + public func subscribe(on scheduler: ImmediateSchedulerType) + -> Observable { + SubscribeOn(source: self, scheduler: scheduler) + } + + /** + Wraps the source sequence in order to run its subscription and unsubscription logic on the specified + scheduler. + + This operation is not commonly used. + + This only performs the side-effects of subscription and unsubscription on the specified scheduler. + + In order to invoke observer callbacks on a `scheduler`, use `observeOn`. + + - seealso: [subscribeOn operator on reactivex.io](http://reactivex.io/documentation/operators/subscribeon.html) + + - parameter scheduler: Scheduler to perform subscription and unsubscription actions on. + - returns: The source sequence whose subscriptions and unsubscriptions happen on the specified scheduler. + */ + @available(*, deprecated, renamed: "subscribe(on:)") + public func subscribeOn(_ scheduler: ImmediateSchedulerType) + -> Observable { + subscribe(on: scheduler) + } +} + +final private class SubscribeOnSink: Sink, ObserverType where Ob.Element == Observer.Element { + typealias Element = Observer.Element + typealias Parent = SubscribeOn + + let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + self.forwardOn(event) + + if event.isStopEvent { + self.dispose() + } + } + + func run() -> Disposable { + let disposeEverything = SerialDisposable() + let cancelSchedule = SingleAssignmentDisposable() + + disposeEverything.disposable = cancelSchedule + + let disposeSchedule = self.parent.scheduler.schedule(()) { _ -> Disposable in + let subscription = self.parent.source.subscribe(self) + disposeEverything.disposable = ScheduledDisposable(scheduler: self.parent.scheduler, disposable: subscription) + return Disposables.create() + } + + cancelSchedule.setDisposable(disposeSchedule) + + return disposeEverything + } +} + +final private class SubscribeOn: Producer { + let source: Ob + let scheduler: ImmediateSchedulerType + + init(source: Ob, scheduler: ImmediateSchedulerType) { + self.source = source + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Ob.Element { + let sink = SubscribeOnSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Switch.swift b/Pods/RxSwift/RxSwift/Observables/Switch.swift new file mode 100644 index 0000000..5aa60b9 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Switch.swift @@ -0,0 +1,251 @@ +// +// Switch.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/12/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Projects each element of an observable sequence into a new sequence of observable sequences and then + transforms an observable sequence of observable sequences into an observable sequence producing values only from the most recent observable sequence. + + It is a combination of `map` + `switchLatest` operator + + - seealso: [flatMapLatest operator on reactivex.io](http://reactivex.io/documentation/operators/flatmap.html) + + - parameter selector: A transform function to apply to each element. + - returns: An observable sequence whose elements are the result of invoking the transform function on each element of source producing an + Observable of Observable sequences and that at any point in time produces the elements of the most recent inner observable sequence that has been received. + */ + public func flatMapLatest(_ selector: @escaping (Element) throws -> Source) + -> Observable { + return FlatMapLatest(source: self.asObservable(), selector: selector) + } + + /** + Projects each element of an observable sequence into a new sequence of observable sequences and then + transforms an observable sequence of observable sequences into an observable sequence producing values only from the most recent observable sequence. + + It is a combination of `map` + `switchLatest` operator + + - seealso: [flatMapLatest operator on reactivex.io](http://reactivex.io/documentation/operators/flatmap.html) + + - parameter selector: A transform function to apply to each element. + - returns: An observable sequence whose elements are the result of invoking the transform function on each element of source producing an + Observable of Observable sequences and that at any point in time produces the elements of the most recent inner observable sequence that has been received. + */ + public func flatMapLatest(_ selector: @escaping (Element) throws -> Source) + -> Infallible { + return Infallible(flatMapLatest(selector)) + } +} + +extension ObservableType where Element: ObservableConvertibleType { + + /** + Transforms an observable sequence of observable sequences into an observable sequence + producing values only from the most recent observable sequence. + + Each time a new inner observable sequence is received, unsubscribe from the + previous inner observable sequence. + + - seealso: [switch operator on reactivex.io](http://reactivex.io/documentation/operators/switch.html) + + - returns: The observable sequence that at any point in time produces the elements of the most recent inner observable sequence that has been received. + */ + public func switchLatest() -> Observable { + Switch(source: self.asObservable()) + } +} + +private class SwitchSink + : Sink + , ObserverType where Source.Element == Observer.Element { + typealias Element = SourceType + + private let subscriptions: SingleAssignmentDisposable = SingleAssignmentDisposable() + private let innerSubscription: SerialDisposable = SerialDisposable() + + let lock = RecursiveLock() + + // state + fileprivate var stopped = false + fileprivate var latest = 0 + fileprivate var hasLatest = false + + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + func run(_ source: Observable) -> Disposable { + let subscription = source.subscribe(self) + self.subscriptions.setDisposable(subscription) + return Disposables.create(subscriptions, innerSubscription) + } + + func performMap(_ element: SourceType) throws -> Source { + rxAbstractMethod() + } + + @inline(__always) + final private func nextElementArrived(element: Element) -> (Int, Observable)? { + self.lock.lock(); defer { self.lock.unlock() } + + do { + let observable = try self.performMap(element).asObservable() + self.hasLatest = true + self.latest = self.latest &+ 1 + return (self.latest, observable) + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + + return nil + } + + func on(_ event: Event) { + switch event { + case .next(let element): + if let (latest, observable) = self.nextElementArrived(element: element) { + let d = SingleAssignmentDisposable() + self.innerSubscription.disposable = d + + let observer = SwitchSinkIter(parent: self, id: latest, this: d) + let disposable = observable.subscribe(observer) + d.setDisposable(disposable) + } + case .error(let error): + self.lock.lock(); defer { self.lock.unlock() } + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.lock.lock(); defer { self.lock.unlock() } + self.stopped = true + + self.subscriptions.dispose() + + if !self.hasLatest { + self.forwardOn(.completed) + self.dispose() + } + } + } +} + +final private class SwitchSinkIter + : ObserverType + , LockOwnerType + , SynchronizedOnType where Source.Element == Observer.Element { + typealias Element = Source.Element + typealias Parent = SwitchSink + + private let parent: Parent + private let id: Int + private let this: Disposable + + var lock: RecursiveLock { + self.parent.lock + } + + init(parent: Parent, id: Int, this: Disposable) { + self.parent = parent + self.id = id + self.this = this + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next: break + case .error, .completed: + self.this.dispose() + } + + if self.parent.latest != self.id { + return + } + + switch event { + case .next: + self.parent.forwardOn(event) + case .error: + self.parent.forwardOn(event) + self.parent.dispose() + case .completed: + self.parent.hasLatest = false + if self.parent.stopped { + self.parent.forwardOn(event) + self.parent.dispose() + } + } + } +} + +// MARK: Specializations + +final private class SwitchIdentitySink: SwitchSink + where Observer.Element == Source.Element { + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + override func performMap(_ element: Source) throws -> Source { + element + } +} + +final private class MapSwitchSink: SwitchSink where Observer.Element == Source.Element { + typealias Selector = (SourceType) throws -> Source + + private let selector: Selector + + init(selector: @escaping Selector, observer: Observer, cancel: Cancelable) { + self.selector = selector + super.init(observer: observer, cancel: cancel) + } + + override func performMap(_ element: SourceType) throws -> Source { + try self.selector(element) + } +} + +// MARK: Producers + +final private class Switch: Producer { + private let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Source.Element { + let sink = SwitchIdentitySink(observer: observer, cancel: cancel) + let subscription = sink.run(self.source) + return (sink: sink, subscription: subscription) + } +} + +final private class FlatMapLatest: Producer { + typealias Selector = (SourceType) throws -> Source + + private let source: Observable + private let selector: Selector + + init(source: Observable, selector: @escaping Selector) { + self.source = source + self.selector = selector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Source.Element { + let sink = MapSwitchSink(selector: self.selector, observer: observer, cancel: cancel) + let subscription = sink.run(self.source) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/SwitchIfEmpty.swift b/Pods/RxSwift/RxSwift/Observables/SwitchIfEmpty.swift new file mode 100644 index 0000000..037bf69 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/SwitchIfEmpty.swift @@ -0,0 +1,104 @@ +// +// SwitchIfEmpty.swift +// RxSwift +// +// Created by sergdort on 23/12/2016. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns the elements of the specified sequence or `switchTo` sequence if the sequence is empty. + + - seealso: [DefaultIfEmpty operator on reactivex.io](http://reactivex.io/documentation/operators/defaultifempty.html) + + - parameter other: Observable sequence being returned when source sequence is empty. + - returns: Observable sequence that contains elements from switchTo sequence if source is empty, otherwise returns source sequence elements. + */ + public func ifEmpty(switchTo other: Observable) -> Observable { + SwitchIfEmpty(source: self.asObservable(), ifEmpty: other) + } +} + +final private class SwitchIfEmpty: Producer { + + private let source: Observable + private let ifEmpty: Observable + + init(source: Observable, ifEmpty: Observable) { + self.source = source + self.ifEmpty = ifEmpty + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = SwitchIfEmptySink(ifEmpty: self.ifEmpty, + observer: observer, + cancel: cancel) + let subscription = sink.run(self.source.asObservable()) + + return (sink: sink, subscription: subscription) + } +} + +final private class SwitchIfEmptySink: Sink + , ObserverType { + typealias Element = Observer.Element + + private let ifEmpty: Observable + private var isEmpty = true + private let ifEmptySubscription = SingleAssignmentDisposable() + + init(ifEmpty: Observable, observer: Observer, cancel: Cancelable) { + self.ifEmpty = ifEmpty + super.init(observer: observer, cancel: cancel) + } + + func run(_ source: Observable) -> Disposable { + let subscription = source.subscribe(self) + return Disposables.create(subscription, ifEmptySubscription) + } + + func on(_ event: Event) { + switch event { + case .next: + self.isEmpty = false + self.forwardOn(event) + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + guard self.isEmpty else { + self.forwardOn(.completed) + self.dispose() + return + } + let ifEmptySink = SwitchIfEmptySinkIter(parent: self) + self.ifEmptySubscription.setDisposable(self.ifEmpty.subscribe(ifEmptySink)) + } + } +} + +final private class SwitchIfEmptySinkIter + : ObserverType { + typealias Element = Observer.Element + typealias Parent = SwitchIfEmptySink + + private let parent: Parent + + init(parent: Parent) { + self.parent = parent + } + + func on(_ event: Event) { + switch event { + case .next: + self.parent.forwardOn(event) + case .error: + self.parent.forwardOn(event) + self.parent.dispose() + case .completed: + self.parent.forwardOn(event) + self.parent.dispose() + } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Take.swift b/Pods/RxSwift/RxSwift/Observables/Take.swift new file mode 100644 index 0000000..e574688 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Take.swift @@ -0,0 +1,193 @@ +// +// Take.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/12/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Returns a specified number of contiguous elements from the start of an observable sequence. + + - seealso: [take operator on reactivex.io](http://reactivex.io/documentation/operators/take.html) + + - parameter count: The number of elements to return. + - returns: An observable sequence that contains the specified number of elements from the start of the input sequence. + */ + public func take(_ count: Int) + -> Observable { + if count == 0 { + return Observable.empty() + } + else { + return TakeCount(source: self.asObservable(), count: count) + } + } +} + +extension ObservableType { + /** + Takes elements for the specified duration from the start of the observable source sequence, using the specified scheduler to run timers. + + - seealso: [take operator on reactivex.io](http://reactivex.io/documentation/operators/take.html) + + - parameter duration: Duration for taking elements from the start of the sequence. + - parameter scheduler: Scheduler to run the timer on. + - returns: An observable sequence with the elements taken during the specified duration from the start of the source sequence. + */ + public func take(for duration: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + TakeTime(source: self.asObservable(), duration: duration, scheduler: scheduler) + } + + /** + Takes elements for the specified duration from the start of the observable source sequence, using the specified scheduler to run timers. + + - seealso: [take operator on reactivex.io](http://reactivex.io/documentation/operators/take.html) + + - parameter duration: Duration for taking elements from the start of the sequence. + - parameter scheduler: Scheduler to run the timer on. + - returns: An observable sequence with the elements taken during the specified duration from the start of the source sequence. + */ + @available(*, deprecated, renamed: "take(for:scheduler:)") + public func take(_ duration: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + take(for: duration, scheduler: scheduler) + } +} + +// count version + +final private class TakeCountSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = TakeCount + + private let parent: Parent + + private var remaining: Int + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.remaining = parent.count + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + + if self.remaining > 0 { + self.remaining -= 1 + + self.forwardOn(.next(value)) + + if self.remaining == 0 { + self.forwardOn(.completed) + self.dispose() + } + } + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + self.forwardOn(event) + self.dispose() + } + } + +} + +final private class TakeCount: Producer { + private let source: Observable + fileprivate let count: Int + + init(source: Observable, count: Int) { + if count < 0 { + rxFatalError("count can't be negative") + } + self.source = source + self.count = count + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = TakeCountSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} + +// time version + +final private class TakeTimeSink + : Sink + , LockOwnerType + , ObserverType + , SynchronizedOnType where Observer.Element == Element { + typealias Parent = TakeTime + + private let parent: Parent + + let lock = RecursiveLock() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next(let value): + self.forwardOn(.next(value)) + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + self.forwardOn(event) + self.dispose() + } + } + + func tick() { + self.lock.performLocked { + self.forwardOn(.completed) + self.dispose() + } + } + + func run() -> Disposable { + let disposeTimer = self.parent.scheduler.scheduleRelative((), dueTime: self.parent.duration) { _ in + self.tick() + return Disposables.create() + } + + let disposeSubscription = self.parent.source.subscribe(self) + + return Disposables.create(disposeTimer, disposeSubscription) + } +} + +final private class TakeTime: Producer { + typealias TimeInterval = RxTimeInterval + + fileprivate let source: Observable + fileprivate let duration: TimeInterval + fileprivate let scheduler: SchedulerType + + init(source: Observable, duration: TimeInterval, scheduler: SchedulerType) { + self.source = source + self.scheduler = scheduler + self.duration = duration + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = TakeTimeSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/TakeLast.swift b/Pods/RxSwift/RxSwift/Observables/TakeLast.swift new file mode 100644 index 0000000..9183387 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/TakeLast.swift @@ -0,0 +1,78 @@ +// +// TakeLast.swift +// RxSwift +// +// Created by Tomi Koskinen on 25/10/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Returns a specified number of contiguous elements from the end of an observable sequence. + + This operator accumulates a buffer with a length enough to store elements count elements. Upon completion of the source sequence, this buffer is drained on the result sequence. This causes the elements to be delayed. + + - seealso: [takeLast operator on reactivex.io](http://reactivex.io/documentation/operators/takelast.html) + + - parameter count: Number of elements to take from the end of the source sequence. + - returns: An observable sequence containing the specified number of elements from the end of the source sequence. + */ + public func takeLast(_ count: Int) + -> Observable { + TakeLast(source: self.asObservable(), count: count) + } +} + +final private class TakeLastSink: Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = TakeLast + + private let parent: Parent + + private var elements: Queue + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.elements = Queue(capacity: parent.count + 1) + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + self.elements.enqueue(value) + if self.elements.count > self.parent.count { + _ = self.elements.dequeue() + } + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + for e in self.elements { + self.forwardOn(.next(e)) + } + self.forwardOn(.completed) + self.dispose() + } + } +} + +final private class TakeLast: Producer { + private let source: Observable + fileprivate let count: Int + + init(source: Observable, count: Int) { + if count < 0 { + rxFatalError("count can't be negative") + } + self.source = source + self.count = count + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = TakeLastSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/TakeWithPredicate.swift b/Pods/RxSwift/RxSwift/Observables/TakeWithPredicate.swift new file mode 100644 index 0000000..6c28d19 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/TakeWithPredicate.swift @@ -0,0 +1,285 @@ +// +// TakeWithPredicate.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/7/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Returns the elements from the source observable sequence until the other observable sequence produces an element. + + - seealso: [takeUntil operator on reactivex.io](http://reactivex.io/documentation/operators/takeuntil.html) + + - parameter other: Observable sequence that terminates propagation of elements of the source sequence. + - returns: An observable sequence containing the elements of the source sequence up to the point the other sequence interrupted further propagation. + */ + public func take(until other: Source) + -> Observable { + TakeUntil(source: self.asObservable(), other: other.asObservable()) + } + + /** + Returns elements from an observable sequence until the specified condition is true. + + - seealso: [takeUntil operator on reactivex.io](http://reactivex.io/documentation/operators/takeuntil.html) + + - parameter predicate: A function to test each element for a condition. + - parameter behavior: Whether or not to include the last element matching the predicate. Defaults to `exclusive`. + + - returns: An observable sequence that contains the elements from the input sequence that occur before the element at which the test passes. + */ + public func take(until predicate: @escaping (Element) throws -> Bool, + behavior: TakeBehavior = .exclusive) + -> Observable { + TakeUntilPredicate(source: self.asObservable(), + behavior: behavior, + predicate: predicate) + } + + /** + Returns elements from an observable sequence as long as a specified condition is true. + + - seealso: [takeWhile operator on reactivex.io](http://reactivex.io/documentation/operators/takewhile.html) + + - parameter predicate: A function to test each element for a condition. + - returns: An observable sequence that contains the elements from the input sequence that occur before the element at which the test no longer passes. + */ + public func take(while predicate: @escaping (Element) throws -> Bool, + behavior: TakeBehavior = .exclusive) + -> Observable { + take(until: { try !predicate($0) }, behavior: behavior) + } + + /** + Returns the elements from the source observable sequence until the other observable sequence produces an element. + + - seealso: [takeUntil operator on reactivex.io](http://reactivex.io/documentation/operators/takeuntil.html) + + - parameter other: Observable sequence that terminates propagation of elements of the source sequence. + - returns: An observable sequence containing the elements of the source sequence up to the point the other sequence interrupted further propagation. + */ + @available(*, deprecated, renamed: "take(until:)") + public func takeUntil(_ other: Source) + -> Observable { + take(until: other) + } + + /** + Returns elements from an observable sequence until the specified condition is true. + + - seealso: [takeUntil operator on reactivex.io](http://reactivex.io/documentation/operators/takeuntil.html) + + - parameter behavior: Whether or not to include the last element matching the predicate. + - parameter predicate: A function to test each element for a condition. + - returns: An observable sequence that contains the elements from the input sequence that occur before the element at which the test passes. + */ + @available(*, deprecated, renamed: "take(until:behavior:)") + public func takeUntil(_ behavior: TakeBehavior, + predicate: @escaping (Element) throws -> Bool) + -> Observable { + take(until: predicate, behavior: behavior) + } + + /** + Returns elements from an observable sequence as long as a specified condition is true. + + - seealso: [takeWhile operator on reactivex.io](http://reactivex.io/documentation/operators/takewhile.html) + + - parameter predicate: A function to test each element for a condition. + - returns: An observable sequence that contains the elements from the input sequence that occur before the element at which the test no longer passes. + */ + @available(*, deprecated, renamed: "take(while:)") + public func takeWhile(_ predicate: @escaping (Element) throws -> Bool) + -> Observable { + take(until: { try !predicate($0) }, behavior: .exclusive) + } +} + +/// Behaviors for the take operator family. +public enum TakeBehavior { + /// Include the last element matching the predicate. + case inclusive + + /// Exclude the last element matching the predicate. + case exclusive +} + +// MARK: - TakeUntil Observable +final private class TakeUntilSinkOther + : ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias Parent = TakeUntilSink + typealias Element = Other + + private let parent: Parent + + var lock: RecursiveLock { + self.parent.lock + } + + fileprivate let subscription = SingleAssignmentDisposable() + + init(parent: Parent) { + self.parent = parent +#if TRACE_RESOURCES + _ = Resources.incrementTotal() +#endif + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next: + self.parent.forwardOn(.completed) + self.parent.dispose() + case .error(let e): + self.parent.forwardOn(.error(e)) + self.parent.dispose() + case .completed: + self.subscription.dispose() + } + } + +#if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + } +#endif +} + +final private class TakeUntilSink + : Sink + , LockOwnerType + , ObserverType + , SynchronizedOnType { + typealias Element = Observer.Element + typealias Parent = TakeUntil + + private let parent: Parent + + let lock = RecursiveLock() + + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next: + self.forwardOn(event) + case .error: + self.forwardOn(event) + self.dispose() + case .completed: + self.forwardOn(event) + self.dispose() + } + } + + func run() -> Disposable { + let otherObserver = TakeUntilSinkOther(parent: self) + let otherSubscription = self.parent.other.subscribe(otherObserver) + otherObserver.subscription.setDisposable(otherSubscription) + let sourceSubscription = self.parent.source.subscribe(self) + + return Disposables.create(sourceSubscription, otherObserver.subscription) + } +} + +final private class TakeUntil: Producer { + + fileprivate let source: Observable + fileprivate let other: Observable + + init(source: Observable, other: Observable) { + self.source = source + self.other = other + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = TakeUntilSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + +// MARK: - TakeUntil Predicate +final private class TakeUntilPredicateSink + : Sink, ObserverType { + typealias Element = Observer.Element + typealias Parent = TakeUntilPredicate + + private let parent: Parent + private var running = true + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + if !self.running { + return + } + + do { + self.running = try !self.parent.predicate(value) + } catch let e { + self.forwardOn(.error(e)) + self.dispose() + return + } + + if self.running { + self.forwardOn(.next(value)) + } else { + if self.parent.behavior == .inclusive { + self.forwardOn(.next(value)) + } + + self.forwardOn(.completed) + self.dispose() + } + case .error, .completed: + self.forwardOn(event) + self.dispose() + } + } + +} + +final private class TakeUntilPredicate: Producer { + typealias Predicate = (Element) throws -> Bool + + private let source: Observable + fileprivate let predicate: Predicate + fileprivate let behavior: TakeBehavior + + init(source: Observable, + behavior: TakeBehavior, + predicate: @escaping Predicate) { + self.source = source + self.behavior = behavior + self.predicate = predicate + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = TakeUntilPredicateSink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Throttle.swift b/Pods/RxSwift/RxSwift/Observables/Throttle.swift new file mode 100644 index 0000000..86152a8 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Throttle.swift @@ -0,0 +1,160 @@ +// +// Throttle.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/22/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +extension ObservableType { + + /** + Returns an Observable that emits the first and the latest item emitted by the source Observable during sequential time windows of a specified duration. + + This operator makes sure that no two elements are emitted in less then dueTime. + + - seealso: [debounce operator on reactivex.io](http://reactivex.io/documentation/operators/debounce.html) + + - parameter dueTime: Throttling duration for each element. + - parameter latest: Should latest element received in a dueTime wide time window since last element emission be emitted. + - parameter scheduler: Scheduler to run the throttle timers on. + - returns: The throttled sequence. + */ + public func throttle(_ dueTime: RxTimeInterval, latest: Bool = true, scheduler: SchedulerType) + -> Observable { + Throttle(source: self.asObservable(), dueTime: dueTime, latest: latest, scheduler: scheduler) + } +} + +final private class ThrottleSink + : Sink + , ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias Element = Observer.Element + typealias ParentType = Throttle + + private let parent: ParentType + + let lock = RecursiveLock() + + // state + private var lastUnsentElement: Element? + private var lastSentTime: Date? + private var completed: Bool = false + + let cancellable = SerialDisposable() + + init(parent: ParentType, observer: Observer, cancel: Cancelable) { + self.parent = parent + + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let subscription = self.parent.source.subscribe(self) + + return Disposables.create(subscription, cancellable) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case .next(let element): + let now = self.parent.scheduler.now + + let reducedScheduledTime: RxTimeInterval + + if let lastSendingTime = self.lastSentTime { + reducedScheduledTime = self.parent.dueTime.reduceWithSpanBetween(earlierDate: lastSendingTime, laterDate: now) + } + else { + reducedScheduledTime = .nanoseconds(0) + } + + if reducedScheduledTime.isNow { + self.sendNow(element: element) + return + } + + if !self.parent.latest { + return + } + + let isThereAlreadyInFlightRequest = self.lastUnsentElement != nil + + self.lastUnsentElement = element + + if isThereAlreadyInFlightRequest { + return + } + + let scheduler = self.parent.scheduler + + let d = SingleAssignmentDisposable() + self.cancellable.disposable = d + + d.setDisposable(scheduler.scheduleRelative(0, dueTime: reducedScheduledTime, action: self.propagate)) + case .error: + self.lastUnsentElement = nil + self.forwardOn(event) + self.dispose() + case .completed: + if self.lastUnsentElement != nil { + self.completed = true + } + else { + self.forwardOn(.completed) + self.dispose() + } + } + } + + private func sendNow(element: Element) { + self.lastUnsentElement = nil + self.forwardOn(.next(element)) + // in case element processing takes a while, this should give some more room + self.lastSentTime = self.parent.scheduler.now + } + + func propagate(_: Int) -> Disposable { + self.lock.performLocked { + if let lastUnsentElement = self.lastUnsentElement { + self.sendNow(element: lastUnsentElement) + } + + if self.completed { + self.forwardOn(.completed) + self.dispose() + } + } + + return Disposables.create() + } +} + +final private class Throttle: Producer { + fileprivate let source: Observable + fileprivate let dueTime: RxTimeInterval + fileprivate let latest: Bool + fileprivate let scheduler: SchedulerType + + init(source: Observable, dueTime: RxTimeInterval, latest: Bool, scheduler: SchedulerType) { + self.source = source + self.dueTime = dueTime + self.latest = latest + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = ThrottleSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } + +} diff --git a/Pods/RxSwift/RxSwift/Observables/Timeout.swift b/Pods/RxSwift/RxSwift/Observables/Timeout.swift new file mode 100644 index 0000000..efcc791 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Timeout.swift @@ -0,0 +1,151 @@ +// +// Timeout.swift +// RxSwift +// +// Created by Tomi Koskinen on 13/11/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Applies a timeout policy for each element in the observable sequence. If the next element isn't received within the specified timeout duration starting from its predecessor, a TimeoutError is propagated to the observer. + + - seealso: [timeout operator on reactivex.io](http://reactivex.io/documentation/operators/timeout.html) + + - parameter dueTime: Maximum duration between values before a timeout occurs. + - parameter scheduler: Scheduler to run the timeout timer on. + - returns: An observable sequence with a `RxError.timeout` in case of a timeout. + */ + public func timeout(_ dueTime: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + return Timeout(source: self.asObservable(), dueTime: dueTime, other: Observable.error(RxError.timeout), scheduler: scheduler) + } + + /** + Applies a timeout policy for each element in the observable sequence, using the specified scheduler to run timeout timers. If the next element isn't received within the specified timeout duration starting from its predecessor, the other observable sequence is used to produce future messages from that point on. + + - seealso: [timeout operator on reactivex.io](http://reactivex.io/documentation/operators/timeout.html) + + - parameter dueTime: Maximum duration between values before a timeout occurs. + - parameter other: Sequence to return in case of a timeout. + - parameter scheduler: Scheduler to run the timeout timer on. + - returns: The source sequence switching to the other sequence in case of a timeout. + */ + public func timeout(_ dueTime: RxTimeInterval, other: Source, scheduler: SchedulerType) + -> Observable where Element == Source.Element { + return Timeout(source: self.asObservable(), dueTime: dueTime, other: other.asObservable(), scheduler: scheduler) + } +} + +final private class TimeoutSink: Sink, LockOwnerType, ObserverType { + typealias Element = Observer.Element + typealias Parent = Timeout + + private let parent: Parent + + let lock = RecursiveLock() + + private let timerD = SerialDisposable() + private let subscription = SerialDisposable() + + private var id = 0 + private var switched = false + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let original = SingleAssignmentDisposable() + self.subscription.disposable = original + + self.createTimeoutTimer() + + original.setDisposable(self.parent.source.subscribe(self)) + + return Disposables.create(subscription, timerD) + } + + func on(_ event: Event) { + switch event { + case .next: + var onNextWins = false + + self.lock.performLocked { + onNextWins = !self.switched + if onNextWins { + self.id = self.id &+ 1 + } + } + + if onNextWins { + self.forwardOn(event) + self.createTimeoutTimer() + } + case .error, .completed: + var onEventWins = false + + self.lock.performLocked { + onEventWins = !self.switched + if onEventWins { + self.id = self.id &+ 1 + } + } + + if onEventWins { + self.forwardOn(event) + self.dispose() + } + } + } + + private func createTimeoutTimer() { + if self.timerD.isDisposed { + return + } + + let nextTimer = SingleAssignmentDisposable() + self.timerD.disposable = nextTimer + + let disposeSchedule = self.parent.scheduler.scheduleRelative(self.id, dueTime: self.parent.dueTime) { state in + + var timerWins = false + + self.lock.performLocked { + self.switched = (state == self.id) + timerWins = self.switched + } + + if timerWins { + self.subscription.disposable = self.parent.other.subscribe(self.forwarder()) + } + + return Disposables.create() + } + + nextTimer.setDisposable(disposeSchedule) + } +} + + +final private class Timeout: Producer { + fileprivate let source: Observable + fileprivate let dueTime: RxTimeInterval + fileprivate let other: Observable + fileprivate let scheduler: SchedulerType + + init(source: Observable, dueTime: RxTimeInterval, other: Observable, scheduler: SchedulerType) { + self.source = source + self.dueTime = dueTime + self.other = other + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = TimeoutSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Timer.swift b/Pods/RxSwift/RxSwift/Observables/Timer.swift new file mode 100644 index 0000000..30bbdf6 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Timer.swift @@ -0,0 +1,117 @@ +// +// Timer.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/7/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType where Element: RxAbstractInteger { + /** + Returns an observable sequence that produces a value after each period, using the specified scheduler to run timers and to send out observer messages. + + - seealso: [interval operator on reactivex.io](http://reactivex.io/documentation/operators/interval.html) + + - parameter period: Period for producing the values in the resulting sequence. + - parameter scheduler: Scheduler to run the timer on. + - returns: An observable sequence that produces a value after each period. + */ + public static func interval(_ period: RxTimeInterval, scheduler: SchedulerType) + -> Observable { + return Timer( + dueTime: period, + period: period, + scheduler: scheduler + ) + } +} + +extension ObservableType where Element: RxAbstractInteger { + /** + Returns an observable sequence that periodically produces a value after the specified initial relative due time has elapsed, using the specified scheduler to run timers. + + - seealso: [timer operator on reactivex.io](http://reactivex.io/documentation/operators/timer.html) + + - parameter dueTime: Relative time at which to produce the first value. + - parameter period: Period to produce subsequent values. + - parameter scheduler: Scheduler to run timers on. + - returns: An observable sequence that produces a value after due time has elapsed and then each period. + */ + public static func timer(_ dueTime: RxTimeInterval, period: RxTimeInterval? = nil, scheduler: SchedulerType) + -> Observable { + return Timer( + dueTime: dueTime, + period: period, + scheduler: scheduler + ) + } +} + +import Foundation + +final private class TimerSink : Sink where Observer.Element : RxAbstractInteger { + typealias Parent = Timer + + private let parent: Parent + private let lock = RecursiveLock() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + return self.parent.scheduler.schedulePeriodic(0 as Observer.Element, startAfter: self.parent.dueTime, period: self.parent.period!) { state in + self.lock.performLocked { + self.forwardOn(.next(state)) + return state &+ 1 + } + } + } +} + +final private class TimerOneOffSink: Sink where Observer.Element: RxAbstractInteger { + typealias Parent = Timer + + private let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + return self.parent.scheduler.scheduleRelative(self, dueTime: self.parent.dueTime) { [unowned self] _ -> Disposable in + self.forwardOn(.next(0)) + self.forwardOn(.completed) + self.dispose() + + return Disposables.create() + } + } +} + +final private class Timer: Producer { + fileprivate let scheduler: SchedulerType + fileprivate let dueTime: RxTimeInterval + fileprivate let period: RxTimeInterval? + + init(dueTime: RxTimeInterval, period: RxTimeInterval?, scheduler: SchedulerType) { + self.scheduler = scheduler + self.dueTime = dueTime + self.period = period + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + if self.period != nil { + let sink = TimerSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } + else { + let sink = TimerOneOffSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/ToArray.swift b/Pods/RxSwift/RxSwift/Observables/ToArray.swift new file mode 100644 index 0000000..76c7370 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/ToArray.swift @@ -0,0 +1,64 @@ +// +// ToArray.swift +// RxSwift +// +// Created by Junior B. on 20/10/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Converts an Observable into a Single that emits the whole sequence as a single array and then terminates. + + For aggregation behavior see `reduce`. + + - seealso: [toArray operator on reactivex.io](http://reactivex.io/documentation/operators/to.html) + + - returns: A Single sequence containing all the emitted elements as array. + */ + public func toArray() + -> Single<[Element]> { + PrimitiveSequence(raw: ToArray(source: self.asObservable())) + } +} + +final private class ToArraySink: Sink, ObserverType where Observer.Element == [SourceType] { + typealias Parent = ToArray + + let parent: Parent + var list = [SourceType]() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event) { + switch event { + case .next(let value): + self.list.append(value) + case .error(let e): + self.forwardOn(.error(e)) + self.dispose() + case .completed: + self.forwardOn(.next(self.list)) + self.forwardOn(.completed) + self.dispose() + } + } +} + +final private class ToArray: Producer<[SourceType]> { + let source: Observable + + init(source: Observable) { + self.source = source + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == [SourceType] { + let sink = ToArraySink(parent: self, observer: observer, cancel: cancel) + let subscription = self.source.subscribe(sink) + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Using.swift b/Pods/RxSwift/RxSwift/Observables/Using.swift new file mode 100644 index 0000000..ca48d2f --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Using.swift @@ -0,0 +1,90 @@ +// +// Using.swift +// RxSwift +// +// Created by Yury Korolev on 10/15/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Constructs an observable sequence that depends on a resource object, whose lifetime is tied to the resulting observable sequence's lifetime. + + - seealso: [using operator on reactivex.io](http://reactivex.io/documentation/operators/using.html) + + - parameter resourceFactory: Factory function to obtain a resource object. + - parameter observableFactory: Factory function to obtain an observable sequence that depends on the obtained resource. + - returns: An observable sequence whose lifetime controls the lifetime of the dependent resource object. + */ + public static func using(_ resourceFactory: @escaping () throws -> Resource, observableFactory: @escaping (Resource) throws -> Observable) -> Observable { + Using(resourceFactory: resourceFactory, observableFactory: observableFactory) + } +} + +final private class UsingSink: Sink, ObserverType { + typealias SourceType = Observer.Element + typealias Parent = Using + + private let parent: Parent + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + var disposable = Disposables.create() + + do { + let resource = try self.parent.resourceFactory() + disposable = resource + let source = try self.parent.observableFactory(resource) + + return Disposables.create( + source.subscribe(self), + disposable + ) + } catch let error { + return Disposables.create( + Observable.error(error).subscribe(self), + disposable + ) + } + } + + func on(_ event: Event) { + switch event { + case let .next(value): + self.forwardOn(.next(value)) + case let .error(error): + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.forwardOn(.completed) + self.dispose() + } + } +} + +final private class Using: Producer { + + typealias Element = SourceType + + typealias ResourceFactory = () throws -> ResourceType + typealias ObservableFactory = (ResourceType) throws -> Observable + + fileprivate let resourceFactory: ResourceFactory + fileprivate let observableFactory: ObservableFactory + + + init(resourceFactory: @escaping ResourceFactory, observableFactory: @escaping ObservableFactory) { + self.resourceFactory = resourceFactory + self.observableFactory = observableFactory + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Element { + let sink = UsingSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Window.swift b/Pods/RxSwift/RxSwift/Observables/Window.swift new file mode 100644 index 0000000..b2a37a5 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Window.swift @@ -0,0 +1,168 @@ +// +// Window.swift +// RxSwift +// +// Created by Junior B. on 29/10/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Projects each element of an observable sequence into a window that is completed when either it’s full or a given amount of time has elapsed. + + - seealso: [window operator on reactivex.io](http://reactivex.io/documentation/operators/window.html) + + - parameter timeSpan: Maximum time length of a window. + - parameter count: Maximum element count of a window. + - parameter scheduler: Scheduler to run windowing timers on. + - returns: An observable sequence of windows (instances of `Observable`). + */ + public func window(timeSpan: RxTimeInterval, count: Int, scheduler: SchedulerType) + -> Observable> { + return WindowTimeCount(source: self.asObservable(), timeSpan: timeSpan, count: count, scheduler: scheduler) + } +} + +final private class WindowTimeCountSink + : Sink + , ObserverType + , LockOwnerType + , SynchronizedOnType where Observer.Element == Observable { + typealias Parent = WindowTimeCount + + private let parent: Parent + + let lock = RecursiveLock() + + private var subject = PublishSubject() + private var count = 0 + private var windowId = 0 + + private let timerD = SerialDisposable() + private let refCountDisposable: RefCountDisposable + private let groupDisposable = CompositeDisposable() + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + + _ = self.groupDisposable.insert(self.timerD) + + self.refCountDisposable = RefCountDisposable(disposable: self.groupDisposable) + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + + self.forwardOn(.next(AddRef(source: self.subject, refCount: self.refCountDisposable).asObservable())) + self.createTimer(self.windowId) + + _ = self.groupDisposable.insert(self.parent.source.subscribe(self)) + return self.refCountDisposable + } + + func startNewWindowAndCompleteCurrentOne() { + self.subject.on(.completed) + self.subject = PublishSubject() + + self.forwardOn(.next(AddRef(source: self.subject, refCount: self.refCountDisposable).asObservable())) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + var newWindow = false + var newId = 0 + + switch event { + case .next(let element): + self.subject.on(.next(element)) + + do { + _ = try incrementChecked(&self.count) + } catch let e { + self.subject.on(.error(e as Swift.Error)) + self.dispose() + } + + if self.count == self.parent.count { + newWindow = true + self.count = 0 + self.windowId += 1 + newId = self.windowId + self.startNewWindowAndCompleteCurrentOne() + } + + case .error(let error): + self.subject.on(.error(error)) + self.forwardOn(.error(error)) + self.dispose() + case .completed: + self.subject.on(.completed) + self.forwardOn(.completed) + self.dispose() + } + + if newWindow { + self.createTimer(newId) + } + } + + func createTimer(_ windowId: Int) { + if self.timerD.isDisposed { + return + } + + if self.windowId != windowId { + return + } + + let nextTimer = SingleAssignmentDisposable() + + self.timerD.disposable = nextTimer + + let scheduledRelative = self.parent.scheduler.scheduleRelative(windowId, dueTime: self.parent.timeSpan) { previousWindowId in + + var newId = 0 + + self.lock.performLocked { + if previousWindowId != self.windowId { + return + } + + self.count = 0 + self.windowId = self.windowId &+ 1 + newId = self.windowId + self.startNewWindowAndCompleteCurrentOne() + } + + self.createTimer(newId) + + return Disposables.create() + } + + nextTimer.setDisposable(scheduledRelative) + } +} + +final private class WindowTimeCount: Producer> { + fileprivate let timeSpan: RxTimeInterval + fileprivate let count: Int + fileprivate let scheduler: SchedulerType + fileprivate let source: Observable + + init(source: Observable, timeSpan: RxTimeInterval, count: Int, scheduler: SchedulerType) { + self.source = source + self.timeSpan = timeSpan + self.count = count + self.scheduler = scheduler + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Observable { + let sink = WindowTimeCountSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/WithLatestFrom.swift b/Pods/RxSwift/RxSwift/Observables/WithLatestFrom.swift new file mode 100644 index 0000000..d286812 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/WithLatestFrom.swift @@ -0,0 +1,151 @@ +// +// WithLatestFrom.swift +// RxSwift +// +// Created by Yury Korolev on 10/19/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + + /** + Merges two observable sequences into one observable sequence by combining each element from self with the latest element from the second source, if any. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + - note: Elements emitted by self before the second source has emitted any values will be omitted. + + - parameter second: Second observable source. + - parameter resultSelector: Function to invoke for each element from the self combined with the latest element from the second source, if any. + - returns: An observable sequence containing the result of combining each element of the self with the latest element from the second source, if any, using the specified result selector function. + */ + public func withLatestFrom(_ second: Source, resultSelector: @escaping (Element, Source.Element) throws -> ResultType) -> Observable { + WithLatestFrom(first: self.asObservable(), second: second.asObservable(), resultSelector: resultSelector) + } + + /** + Merges two observable sequences into one observable sequence by using latest element from the second sequence every time when `self` emits an element. + + - seealso: [combineLatest operator on reactivex.io](http://reactivex.io/documentation/operators/combinelatest.html) + - note: Elements emitted by self before the second source has emitted any values will be omitted. + + - parameter second: Second observable source. + - returns: An observable sequence containing the result of combining each element of the self with the latest element from the second source, if any, using the specified result selector function. + */ + public func withLatestFrom(_ second: Source) -> Observable { + WithLatestFrom(first: self.asObservable(), second: second.asObservable(), resultSelector: { $1 }) + } +} + +final private class WithLatestFromSink + : Sink + , ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias ResultType = Observer.Element + typealias Parent = WithLatestFrom + typealias Element = FirstType + + private let parent: Parent + + fileprivate var lock = RecursiveLock() + fileprivate var latest: SecondType? + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + + super.init(observer: observer, cancel: cancel) + } + + func run() -> Disposable { + let sndSubscription = SingleAssignmentDisposable() + let sndO = WithLatestFromSecond(parent: self, disposable: sndSubscription) + + sndSubscription.setDisposable(self.parent.second.subscribe(sndO)) + let fstSubscription = self.parent.first.subscribe(self) + + return Disposables.create(fstSubscription, sndSubscription) + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case let .next(value): + guard let latest = self.latest else { return } + do { + let res = try self.parent.resultSelector(value, latest) + + self.forwardOn(.next(res)) + } catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + case .completed: + self.forwardOn(.completed) + self.dispose() + case let .error(error): + self.forwardOn(.error(error)) + self.dispose() + } + } +} + +final private class WithLatestFromSecond + : ObserverType + , LockOwnerType + , SynchronizedOnType { + + typealias ResultType = Observer.Element + typealias Parent = WithLatestFromSink + typealias Element = SecondType + + private let parent: Parent + private let disposable: Disposable + + var lock: RecursiveLock { + self.parent.lock + } + + init(parent: Parent, disposable: Disposable) { + self.parent = parent + self.disposable = disposable + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + switch event { + case let .next(value): + self.parent.latest = value + case .completed: + self.disposable.dispose() + case let .error(error): + self.parent.forwardOn(.error(error)) + self.parent.dispose() + } + } +} + +final private class WithLatestFrom: Producer { + typealias ResultSelector = (FirstType, SecondType) throws -> ResultType + + fileprivate let first: Observable + fileprivate let second: Observable + fileprivate let resultSelector: ResultSelector + + init(first: Observable, second: Observable, resultSelector: @escaping ResultSelector) { + self.first = first + self.second = second + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == ResultType { + let sink = WithLatestFromSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/WithUnretained.swift b/Pods/RxSwift/RxSwift/Observables/WithUnretained.swift new file mode 100644 index 0000000..076f6de --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/WithUnretained.swift @@ -0,0 +1,58 @@ +// +// WithUnretained.swift +// RxSwift +// +// Created by Vincent Pradeilles on 01/01/2021. +// Copyright © 2020 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Provides an unretained, safe to use (i.e. not implicitly unwrapped), reference to an object along with the events emitted by the sequence. + + In the case the provided object cannot be retained successfully, the sequence will complete. + + - note: Be careful when using this operator in a sequence that has a buffer or replay, for example `share(replay: 1)`, as the sharing buffer will also include the provided object, which could potentially cause a retain cycle. + + - parameter obj: The object to provide an unretained reference on. + - parameter resultSelector: A function to combine the unretained referenced on `obj` and the value of the observable sequence. + - returns: An observable sequence that contains the result of `resultSelector` being called with an unretained reference on `obj` and the values of the original sequence. + */ + public func withUnretained( + _ obj: Object, + resultSelector: @escaping (Object, Element) -> Out + ) -> Observable { + map { [weak obj] element -> Out in + guard let obj = obj else { throw UnretainedError.failedRetaining } + + return resultSelector(obj, element) + } + .catch{ error -> Observable in + guard let unretainedError = error as? UnretainedError, + unretainedError == .failedRetaining else { + return .error(error) + } + + return .empty() + } + } + + + /** + Provides an unretained, safe to use (i.e. not implicitly unwrapped), reference to an object along with the events emitted by the sequence. + + In the case the provided object cannot be retained successfully, the sequence will complete. + + - note: Be careful when using this operator in a sequence that has a buffer or replay, for example `share(replay: 1)`, as the sharing buffer will also include the provided object, which could potentially cause a retain cycle. + + - parameter obj: The object to provide an unretained reference on. + - returns: An observable sequence of tuples that contains both an unretained reference on `obj` and the values of the original sequence. + */ + public func withUnretained(_ obj: Object) -> Observable<(Object, Element)> { + return withUnretained(obj) { ($0, $1) } + } +} + +private enum UnretainedError: Swift.Error { + case failedRetaining +} diff --git a/Pods/RxSwift/RxSwift/Observables/Zip+Collection.swift b/Pods/RxSwift/RxSwift/Observables/Zip+Collection.swift new file mode 100644 index 0000000..2d7f887 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Zip+Collection.swift @@ -0,0 +1,168 @@ +// +// Zip+Collection.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/30/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip(_ collection: Collection, resultSelector: @escaping ([Collection.Element.Element]) throws -> Element) -> Observable + where Collection.Element: ObservableType { + ZipCollectionType(sources: collection, resultSelector: resultSelector) + } + + /** + Merges the specified observable sequences into one observable sequence whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip(_ collection: Collection) -> Observable<[Element]> + where Collection.Element: ObservableType, Collection.Element.Element == Element { + ZipCollectionType(sources: collection, resultSelector: { $0 }) + } + +} + +final private class ZipCollectionTypeSink + : Sink where Collection.Element: ObservableConvertibleType { + typealias Result = Observer.Element + typealias Parent = ZipCollectionType + typealias SourceElement = Collection.Element.Element + + private let parent: Parent + + private let lock = RecursiveLock() + + // state + private var numberOfValues = 0 + private var values: [Queue] + private var isDone: [Bool] + private var numberOfDone = 0 + private var subscriptions: [SingleAssignmentDisposable] + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + self.values = [Queue](repeating: Queue(capacity: 4), count: parent.count) + self.isDone = [Bool](repeating: false, count: parent.count) + self.subscriptions = [SingleAssignmentDisposable]() + self.subscriptions.reserveCapacity(parent.count) + + for _ in 0 ..< parent.count { + self.subscriptions.append(SingleAssignmentDisposable()) + } + + super.init(observer: observer, cancel: cancel) + } + + func on(_ event: Event, atIndex: Int) { + self.lock.lock(); defer { self.lock.unlock() } + switch event { + case .next(let element): + self.values[atIndex].enqueue(element) + + if self.values[atIndex].count == 1 { + self.numberOfValues += 1 + } + + if self.numberOfValues < self.parent.count { + if self.numberOfDone == self.parent.count - 1 { + self.forwardOn(.completed) + self.dispose() + } + return + } + + do { + var arguments = [SourceElement]() + arguments.reserveCapacity(self.parent.count) + + // recalculate number of values + self.numberOfValues = 0 + + for i in 0 ..< self.values.count { + arguments.append(self.values[i].dequeue()!) + if !self.values[i].isEmpty { + self.numberOfValues += 1 + } + } + + let result = try self.parent.resultSelector(arguments) + self.forwardOn(.next(result)) + } + catch let error { + self.forwardOn(.error(error)) + self.dispose() + } + + case .error(let error): + self.forwardOn(.error(error)) + self.dispose() + case .completed: + if self.isDone[atIndex] { + return + } + + self.isDone[atIndex] = true + self.numberOfDone += 1 + + if self.numberOfDone == self.parent.count { + self.forwardOn(.completed) + self.dispose() + } + else { + self.subscriptions[atIndex].dispose() + } + } + } + + func run() -> Disposable { + var j = 0 + for i in self.parent.sources { + let index = j + let source = i.asObservable() + + let disposable = source.subscribe(AnyObserver { event in + self.on(event, atIndex: index) + }) + self.subscriptions[j].setDisposable(disposable) + j += 1 + } + + if self.parent.sources.isEmpty { + self.forwardOn(.completed) + } + + return Disposables.create(subscriptions) + } +} + +final private class ZipCollectionType: Producer where Collection.Element: ObservableConvertibleType { + typealias ResultSelector = ([Collection.Element.Element]) throws -> Result + + let sources: Collection + let resultSelector: ResultSelector + let count: Int + + init(sources: Collection, resultSelector: @escaping ResultSelector) { + self.sources = sources + self.resultSelector = resultSelector + self.count = self.sources.count + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipCollectionTypeSink(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} diff --git a/Pods/RxSwift/RxSwift/Observables/Zip+arity.swift b/Pods/RxSwift/RxSwift/Observables/Zip+arity.swift new file mode 100644 index 0000000..b6d876d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Zip+arity.swift @@ -0,0 +1,934 @@ +// This file is autogenerated. Take a look at `Preprocessor` target in RxSwift project +// +// Zip+arity.swift +// RxSwift +// +// Created by Krunoslav Zaher on 5/23/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + + + +// 2 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip + (_ source1: O1, _ source2: O2, resultSelector: @escaping (O1.Element, O2.Element) throws -> Element) + -> Observable { + return Zip2( + source1: source1.asObservable(), source2: source2.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip + (_ source1: O1, _ source2: O2) + -> Observable<(O1.Element, O2.Element)> { + return Zip2( + source1: source1.asObservable(), source2: source2.asObservable(), + resultSelector: { ($0, $1) } + ) + } +} + +final class ZipSink2_ : ZipSink { + typealias Result = Observer.Element + typealias Parent = Zip2 + + let parent: Parent + + var values1: Queue = Queue(capacity: 2) + var values2: Queue = Queue(capacity: 2) + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 2, observer: observer, cancel: cancel) + } + + override func hasElements(_ index: Int) -> Bool { + switch index { + case 0: return !self.values1.isEmpty + case 1: return !self.values2.isEmpty + + default: + rxFatalError("Unhandled case (Function)") + } + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + + let observer1 = ZipObserver(lock: self.lock, parent: self, index: 0, setNextValue: { self.values1.enqueue($0) }, this: subscription1) + let observer2 = ZipObserver(lock: self.lock, parent: self, index: 1, setNextValue: { self.values2.enqueue($0) }, this: subscription2) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + + return Disposables.create([ + subscription1, + subscription2 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.values1.dequeue()!, self.values2.dequeue()!) + } +} + +final class Zip2 : Producer { + typealias ResultSelector = (E1, E2) throws -> Result + + let source1: Observable + let source2: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipSink2_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 3 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, resultSelector: @escaping (O1.Element, O2.Element, O3.Element) throws -> Element) + -> Observable { + return Zip3( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3) + -> Observable<(O1.Element, O2.Element, O3.Element)> { + return Zip3( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), + resultSelector: { ($0, $1, $2) } + ) + } +} + +final class ZipSink3_ : ZipSink { + typealias Result = Observer.Element + typealias Parent = Zip3 + + let parent: Parent + + var values1: Queue = Queue(capacity: 2) + var values2: Queue = Queue(capacity: 2) + var values3: Queue = Queue(capacity: 2) + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 3, observer: observer, cancel: cancel) + } + + override func hasElements(_ index: Int) -> Bool { + switch index { + case 0: return !self.values1.isEmpty + case 1: return !self.values2.isEmpty + case 2: return !self.values3.isEmpty + + default: + rxFatalError("Unhandled case (Function)") + } + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + + let observer1 = ZipObserver(lock: self.lock, parent: self, index: 0, setNextValue: { self.values1.enqueue($0) }, this: subscription1) + let observer2 = ZipObserver(lock: self.lock, parent: self, index: 1, setNextValue: { self.values2.enqueue($0) }, this: subscription2) + let observer3 = ZipObserver(lock: self.lock, parent: self, index: 2, setNextValue: { self.values3.enqueue($0) }, this: subscription3) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.values1.dequeue()!, self.values2.dequeue()!, self.values3.dequeue()!) + } +} + +final class Zip3 : Producer { + typealias ResultSelector = (E1, E2, E3) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipSink3_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 4 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element) throws -> Element) + -> Observable { + return Zip4( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element)> { + return Zip4( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), + resultSelector: { ($0, $1, $2, $3) } + ) + } +} + +final class ZipSink4_ : ZipSink { + typealias Result = Observer.Element + typealias Parent = Zip4 + + let parent: Parent + + var values1: Queue = Queue(capacity: 2) + var values2: Queue = Queue(capacity: 2) + var values3: Queue = Queue(capacity: 2) + var values4: Queue = Queue(capacity: 2) + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 4, observer: observer, cancel: cancel) + } + + override func hasElements(_ index: Int) -> Bool { + switch index { + case 0: return !self.values1.isEmpty + case 1: return !self.values2.isEmpty + case 2: return !self.values3.isEmpty + case 3: return !self.values4.isEmpty + + default: + rxFatalError("Unhandled case (Function)") + } + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + + let observer1 = ZipObserver(lock: self.lock, parent: self, index: 0, setNextValue: { self.values1.enqueue($0) }, this: subscription1) + let observer2 = ZipObserver(lock: self.lock, parent: self, index: 1, setNextValue: { self.values2.enqueue($0) }, this: subscription2) + let observer3 = ZipObserver(lock: self.lock, parent: self, index: 2, setNextValue: { self.values3.enqueue($0) }, this: subscription3) + let observer4 = ZipObserver(lock: self.lock, parent: self, index: 3, setNextValue: { self.values4.enqueue($0) }, this: subscription4) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.values1.dequeue()!, self.values2.dequeue()!, self.values3.dequeue()!, self.values4.dequeue()!) + } +} + +final class Zip4 : Producer { + typealias ResultSelector = (E1, E2, E3, E4) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipSink4_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 5 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element) throws -> Element) + -> Observable { + return Zip5( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element)> { + return Zip5( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4) } + ) + } +} + +final class ZipSink5_ : ZipSink { + typealias Result = Observer.Element + typealias Parent = Zip5 + + let parent: Parent + + var values1: Queue = Queue(capacity: 2) + var values2: Queue = Queue(capacity: 2) + var values3: Queue = Queue(capacity: 2) + var values4: Queue = Queue(capacity: 2) + var values5: Queue = Queue(capacity: 2) + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 5, observer: observer, cancel: cancel) + } + + override func hasElements(_ index: Int) -> Bool { + switch index { + case 0: return !self.values1.isEmpty + case 1: return !self.values2.isEmpty + case 2: return !self.values3.isEmpty + case 3: return !self.values4.isEmpty + case 4: return !self.values5.isEmpty + + default: + rxFatalError("Unhandled case (Function)") + } + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + + let observer1 = ZipObserver(lock: self.lock, parent: self, index: 0, setNextValue: { self.values1.enqueue($0) }, this: subscription1) + let observer2 = ZipObserver(lock: self.lock, parent: self, index: 1, setNextValue: { self.values2.enqueue($0) }, this: subscription2) + let observer3 = ZipObserver(lock: self.lock, parent: self, index: 2, setNextValue: { self.values3.enqueue($0) }, this: subscription3) + let observer4 = ZipObserver(lock: self.lock, parent: self, index: 3, setNextValue: { self.values4.enqueue($0) }, this: subscription4) + let observer5 = ZipObserver(lock: self.lock, parent: self, index: 4, setNextValue: { self.values5.enqueue($0) }, this: subscription5) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.values1.dequeue()!, self.values2.dequeue()!, self.values3.dequeue()!, self.values4.dequeue()!, self.values5.dequeue()!) + } +} + +final class Zip5 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipSink5_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 6 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element) throws -> Element) + -> Observable { + return Zip6( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element)> { + return Zip6( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4, $5) } + ) + } +} + +final class ZipSink6_ : ZipSink { + typealias Result = Observer.Element + typealias Parent = Zip6 + + let parent: Parent + + var values1: Queue = Queue(capacity: 2) + var values2: Queue = Queue(capacity: 2) + var values3: Queue = Queue(capacity: 2) + var values4: Queue = Queue(capacity: 2) + var values5: Queue = Queue(capacity: 2) + var values6: Queue = Queue(capacity: 2) + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 6, observer: observer, cancel: cancel) + } + + override func hasElements(_ index: Int) -> Bool { + switch index { + case 0: return !self.values1.isEmpty + case 1: return !self.values2.isEmpty + case 2: return !self.values3.isEmpty + case 3: return !self.values4.isEmpty + case 4: return !self.values5.isEmpty + case 5: return !self.values6.isEmpty + + default: + rxFatalError("Unhandled case (Function)") + } + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + let subscription6 = SingleAssignmentDisposable() + + let observer1 = ZipObserver(lock: self.lock, parent: self, index: 0, setNextValue: { self.values1.enqueue($0) }, this: subscription1) + let observer2 = ZipObserver(lock: self.lock, parent: self, index: 1, setNextValue: { self.values2.enqueue($0) }, this: subscription2) + let observer3 = ZipObserver(lock: self.lock, parent: self, index: 2, setNextValue: { self.values3.enqueue($0) }, this: subscription3) + let observer4 = ZipObserver(lock: self.lock, parent: self, index: 3, setNextValue: { self.values4.enqueue($0) }, this: subscription4) + let observer5 = ZipObserver(lock: self.lock, parent: self, index: 4, setNextValue: { self.values5.enqueue($0) }, this: subscription5) + let observer6 = ZipObserver(lock: self.lock, parent: self, index: 5, setNextValue: { self.values6.enqueue($0) }, this: subscription6) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + subscription6.setDisposable(self.parent.source6.subscribe(observer6)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5, + subscription6 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.values1.dequeue()!, self.values2.dequeue()!, self.values3.dequeue()!, self.values4.dequeue()!, self.values5.dequeue()!, self.values6.dequeue()!) + } +} + +final class Zip6 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5, E6) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + let source6: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, source6: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + self.source6 = source6 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipSink6_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 7 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element) throws -> Element) + -> Observable { + return Zip7( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element)> { + return Zip7( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4, $5, $6) } + ) + } +} + +final class ZipSink7_ : ZipSink { + typealias Result = Observer.Element + typealias Parent = Zip7 + + let parent: Parent + + var values1: Queue = Queue(capacity: 2) + var values2: Queue = Queue(capacity: 2) + var values3: Queue = Queue(capacity: 2) + var values4: Queue = Queue(capacity: 2) + var values5: Queue = Queue(capacity: 2) + var values6: Queue = Queue(capacity: 2) + var values7: Queue = Queue(capacity: 2) + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 7, observer: observer, cancel: cancel) + } + + override func hasElements(_ index: Int) -> Bool { + switch index { + case 0: return !self.values1.isEmpty + case 1: return !self.values2.isEmpty + case 2: return !self.values3.isEmpty + case 3: return !self.values4.isEmpty + case 4: return !self.values5.isEmpty + case 5: return !self.values6.isEmpty + case 6: return !self.values7.isEmpty + + default: + rxFatalError("Unhandled case (Function)") + } + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + let subscription6 = SingleAssignmentDisposable() + let subscription7 = SingleAssignmentDisposable() + + let observer1 = ZipObserver(lock: self.lock, parent: self, index: 0, setNextValue: { self.values1.enqueue($0) }, this: subscription1) + let observer2 = ZipObserver(lock: self.lock, parent: self, index: 1, setNextValue: { self.values2.enqueue($0) }, this: subscription2) + let observer3 = ZipObserver(lock: self.lock, parent: self, index: 2, setNextValue: { self.values3.enqueue($0) }, this: subscription3) + let observer4 = ZipObserver(lock: self.lock, parent: self, index: 3, setNextValue: { self.values4.enqueue($0) }, this: subscription4) + let observer5 = ZipObserver(lock: self.lock, parent: self, index: 4, setNextValue: { self.values5.enqueue($0) }, this: subscription5) + let observer6 = ZipObserver(lock: self.lock, parent: self, index: 5, setNextValue: { self.values6.enqueue($0) }, this: subscription6) + let observer7 = ZipObserver(lock: self.lock, parent: self, index: 6, setNextValue: { self.values7.enqueue($0) }, this: subscription7) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + subscription6.setDisposable(self.parent.source6.subscribe(observer6)) + subscription7.setDisposable(self.parent.source7.subscribe(observer7)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5, + subscription6, + subscription7 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.values1.dequeue()!, self.values2.dequeue()!, self.values3.dequeue()!, self.values4.dequeue()!, self.values5.dequeue()!, self.values6.dequeue()!, self.values7.dequeue()!) + } +} + +final class Zip7 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5, E6, E7) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + let source6: Observable + let source7: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, source6: Observable, source7: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + self.source6 = source6 + self.source7 = source7 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipSink7_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + + +// 8 + +extension ObservableType { + /** + Merges the specified observable sequences into one observable sequence by using the selector function whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - parameter resultSelector: Function to invoke for each series of elements at corresponding indexes in the sources. + - returns: An observable sequence containing the result of combining elements of the sources using the specified result selector function. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7, _ source8: O8, resultSelector: @escaping (O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element, O8.Element) throws -> Element) + -> Observable { + return Zip8( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), source8: source8.asObservable(), + resultSelector: resultSelector + ) + } +} + +extension ObservableType where Element == Any { + /** + Merges the specified observable sequences into one observable sequence of tuples whenever all of the observable sequences have produced an element at a corresponding index. + + - seealso: [zip operator on reactivex.io](http://reactivex.io/documentation/operators/zip.html) + + - returns: An observable sequence containing the result of combining elements of the sources. + */ + public static func zip + (_ source1: O1, _ source2: O2, _ source3: O3, _ source4: O4, _ source5: O5, _ source6: O6, _ source7: O7, _ source8: O8) + -> Observable<(O1.Element, O2.Element, O3.Element, O4.Element, O5.Element, O6.Element, O7.Element, O8.Element)> { + return Zip8( + source1: source1.asObservable(), source2: source2.asObservable(), source3: source3.asObservable(), source4: source4.asObservable(), source5: source5.asObservable(), source6: source6.asObservable(), source7: source7.asObservable(), source8: source8.asObservable(), + resultSelector: { ($0, $1, $2, $3, $4, $5, $6, $7) } + ) + } +} + +final class ZipSink8_ : ZipSink { + typealias Result = Observer.Element + typealias Parent = Zip8 + + let parent: Parent + + var values1: Queue = Queue(capacity: 2) + var values2: Queue = Queue(capacity: 2) + var values3: Queue = Queue(capacity: 2) + var values4: Queue = Queue(capacity: 2) + var values5: Queue = Queue(capacity: 2) + var values6: Queue = Queue(capacity: 2) + var values7: Queue = Queue(capacity: 2) + var values8: Queue = Queue(capacity: 2) + + init(parent: Parent, observer: Observer, cancel: Cancelable) { + self.parent = parent + super.init(arity: 8, observer: observer, cancel: cancel) + } + + override func hasElements(_ index: Int) -> Bool { + switch index { + case 0: return !self.values1.isEmpty + case 1: return !self.values2.isEmpty + case 2: return !self.values3.isEmpty + case 3: return !self.values4.isEmpty + case 4: return !self.values5.isEmpty + case 5: return !self.values6.isEmpty + case 6: return !self.values7.isEmpty + case 7: return !self.values8.isEmpty + + default: + rxFatalError("Unhandled case (Function)") + } + } + + func run() -> Disposable { + let subscription1 = SingleAssignmentDisposable() + let subscription2 = SingleAssignmentDisposable() + let subscription3 = SingleAssignmentDisposable() + let subscription4 = SingleAssignmentDisposable() + let subscription5 = SingleAssignmentDisposable() + let subscription6 = SingleAssignmentDisposable() + let subscription7 = SingleAssignmentDisposable() + let subscription8 = SingleAssignmentDisposable() + + let observer1 = ZipObserver(lock: self.lock, parent: self, index: 0, setNextValue: { self.values1.enqueue($0) }, this: subscription1) + let observer2 = ZipObserver(lock: self.lock, parent: self, index: 1, setNextValue: { self.values2.enqueue($0) }, this: subscription2) + let observer3 = ZipObserver(lock: self.lock, parent: self, index: 2, setNextValue: { self.values3.enqueue($0) }, this: subscription3) + let observer4 = ZipObserver(lock: self.lock, parent: self, index: 3, setNextValue: { self.values4.enqueue($0) }, this: subscription4) + let observer5 = ZipObserver(lock: self.lock, parent: self, index: 4, setNextValue: { self.values5.enqueue($0) }, this: subscription5) + let observer6 = ZipObserver(lock: self.lock, parent: self, index: 5, setNextValue: { self.values6.enqueue($0) }, this: subscription6) + let observer7 = ZipObserver(lock: self.lock, parent: self, index: 6, setNextValue: { self.values7.enqueue($0) }, this: subscription7) + let observer8 = ZipObserver(lock: self.lock, parent: self, index: 7, setNextValue: { self.values8.enqueue($0) }, this: subscription8) + + subscription1.setDisposable(self.parent.source1.subscribe(observer1)) + subscription2.setDisposable(self.parent.source2.subscribe(observer2)) + subscription3.setDisposable(self.parent.source3.subscribe(observer3)) + subscription4.setDisposable(self.parent.source4.subscribe(observer4)) + subscription5.setDisposable(self.parent.source5.subscribe(observer5)) + subscription6.setDisposable(self.parent.source6.subscribe(observer6)) + subscription7.setDisposable(self.parent.source7.subscribe(observer7)) + subscription8.setDisposable(self.parent.source8.subscribe(observer8)) + + return Disposables.create([ + subscription1, + subscription2, + subscription3, + subscription4, + subscription5, + subscription6, + subscription7, + subscription8 + ]) + } + + override func getResult() throws -> Result { + try self.parent.resultSelector(self.values1.dequeue()!, self.values2.dequeue()!, self.values3.dequeue()!, self.values4.dequeue()!, self.values5.dequeue()!, self.values6.dequeue()!, self.values7.dequeue()!, self.values8.dequeue()!) + } +} + +final class Zip8 : Producer { + typealias ResultSelector = (E1, E2, E3, E4, E5, E6, E7, E8) throws -> Result + + let source1: Observable + let source2: Observable + let source3: Observable + let source4: Observable + let source5: Observable + let source6: Observable + let source7: Observable + let source8: Observable + + let resultSelector: ResultSelector + + init(source1: Observable, source2: Observable, source3: Observable, source4: Observable, source5: Observable, source6: Observable, source7: Observable, source8: Observable, resultSelector: @escaping ResultSelector) { + self.source1 = source1 + self.source2 = source2 + self.source3 = source3 + self.source4 = source4 + self.source5 = source5 + self.source6 = source6 + self.source7 = source7 + self.source8 = source8 + + self.resultSelector = resultSelector + } + + override func run(_ observer: Observer, cancel: Cancelable) -> (sink: Disposable, subscription: Disposable) where Observer.Element == Result { + let sink = ZipSink8_(parent: self, observer: observer, cancel: cancel) + let subscription = sink.run() + return (sink: sink, subscription: subscription) + } +} + + diff --git a/Pods/RxSwift/RxSwift/Observables/Zip.swift b/Pods/RxSwift/RxSwift/Observables/Zip.swift new file mode 100644 index 0000000..328a40e --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observables/Zip.swift @@ -0,0 +1,135 @@ +// +// Zip.swift +// RxSwift +// +// Created by Krunoslav Zaher on 5/23/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol ZipSinkProtocol: AnyObject { + func next(_ index: Int) + func fail(_ error: Swift.Error) + func done(_ index: Int) +} + +class ZipSink : Sink, ZipSinkProtocol { + typealias Element = Observer.Element + + let arity: Int + + let lock = RecursiveLock() + + // state + private var isDone: [Bool] + + init(arity: Int, observer: Observer, cancel: Cancelable) { + self.isDone = [Bool](repeating: false, count: arity) + self.arity = arity + + super.init(observer: observer, cancel: cancel) + } + + func getResult() throws -> Element { + rxAbstractMethod() + } + + func hasElements(_ index: Int) -> Bool { + rxAbstractMethod() + } + + func next(_ index: Int) { + var hasValueAll = true + + for i in 0 ..< self.arity { + if !self.hasElements(i) { + hasValueAll = false + break + } + } + + if hasValueAll { + do { + let result = try self.getResult() + self.forwardOn(.next(result)) + } + catch let e { + self.forwardOn(.error(e)) + self.dispose() + } + } + } + + func fail(_ error: Swift.Error) { + self.forwardOn(.error(error)) + self.dispose() + } + + func done(_ index: Int) { + self.isDone[index] = true + + var allDone = true + + for done in self.isDone where !done { + allDone = false + break + } + + if allDone { + self.forwardOn(.completed) + self.dispose() + } + } +} + +final class ZipObserver + : ObserverType + , LockOwnerType + , SynchronizedOnType { + typealias ValueSetter = (Element) -> Void + + private var parent: ZipSinkProtocol? + + let lock: RecursiveLock + + // state + private let index: Int + private let this: Disposable + private let setNextValue: ValueSetter + + init(lock: RecursiveLock, parent: ZipSinkProtocol, index: Int, setNextValue: @escaping ValueSetter, this: Disposable) { + self.lock = lock + self.parent = parent + self.index = index + self.this = this + self.setNextValue = setNextValue + } + + func on(_ event: Event) { + self.synchronizedOn(event) + } + + func synchronized_on(_ event: Event) { + if self.parent != nil { + switch event { + case .next: + break + case .error: + self.this.dispose() + case .completed: + self.this.dispose() + } + } + + if let parent = self.parent { + switch event { + case .next(let value): + self.setNextValue(value) + parent.next(self.index) + case .error(let error): + parent.fail(error) + case .completed: + parent.done(self.index) + } + } + } +} diff --git a/Pods/RxSwift/RxSwift/ObserverType.swift b/Pods/RxSwift/RxSwift/ObserverType.swift new file mode 100644 index 0000000..b7a6648 --- /dev/null +++ b/Pods/RxSwift/RxSwift/ObserverType.swift @@ -0,0 +1,40 @@ +// +// ObserverType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Supports push-style iteration over an observable sequence. +public protocol ObserverType { + /// The type of elements in sequence that observer can observe. + associatedtype Element + + /// Notify observer about sequence event. + /// + /// - parameter event: Event that occurred. + func on(_ event: Event) +} + +/// Convenience API extensions to provide alternate next, error, completed events +extension ObserverType { + + /// Convenience method equivalent to `on(.next(element: Element))` + /// + /// - parameter element: Next element to send to observer(s) + public func onNext(_ element: Element) { + self.on(.next(element)) + } + + /// Convenience method equivalent to `on(.completed)` + public func onCompleted() { + self.on(.completed) + } + + /// Convenience method equivalent to `on(.error(Swift.Error))` + /// - parameter error: Swift.Error to send to observer(s) + public func onError(_ error: Swift.Error) { + self.on(.error(error)) + } +} diff --git a/Pods/RxSwift/RxSwift/Observers/AnonymousObserver.swift b/Pods/RxSwift/RxSwift/Observers/AnonymousObserver.swift new file mode 100644 index 0000000..cbb42dc --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observers/AnonymousObserver.swift @@ -0,0 +1,30 @@ +// +// AnonymousObserver.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +final class AnonymousObserver: ObserverBase { + typealias EventHandler = (Event) -> Void + + private let eventHandler : EventHandler + + init(_ eventHandler: @escaping EventHandler) { +#if TRACE_RESOURCES + _ = Resources.incrementTotal() +#endif + self.eventHandler = eventHandler + } + + override func onCore(_ event: Event) { + self.eventHandler(event) + } + +#if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + } +#endif +} diff --git a/Pods/RxSwift/RxSwift/Observers/ObserverBase.swift b/Pods/RxSwift/RxSwift/Observers/ObserverBase.swift new file mode 100644 index 0000000..48e0986 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observers/ObserverBase.swift @@ -0,0 +1,32 @@ +// +// ObserverBase.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/15/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +class ObserverBase : Disposable, ObserverType { + private let isStopped = AtomicInt(0) + + func on(_ event: Event) { + switch event { + case .next: + if load(self.isStopped) == 0 { + self.onCore(event) + } + case .error, .completed: + if fetchOr(self.isStopped, 1) == 0 { + self.onCore(event) + } + } + } + + func onCore(_ event: Event) { + rxAbstractMethod() + } + + func dispose() { + fetchOr(self.isStopped, 1) + } +} diff --git a/Pods/RxSwift/RxSwift/Observers/TailRecursiveSink.swift b/Pods/RxSwift/RxSwift/Observers/TailRecursiveSink.swift new file mode 100644 index 0000000..fd52700 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Observers/TailRecursiveSink.swift @@ -0,0 +1,151 @@ +// +// TailRecursiveSink.swift +// RxSwift +// +// Created by Krunoslav Zaher on 3/21/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +enum TailRecursiveSinkCommand { + case moveNext + case dispose +} + +#if DEBUG || TRACE_RESOURCES + public var maxTailRecursiveSinkStackSize = 0 +#endif + +/// This class is usually used with `Generator` version of the operators. +class TailRecursiveSink + : Sink + , InvocableWithValueType where Sequence.Element: ObservableConvertibleType, Sequence.Element.Element == Observer.Element { + typealias Value = TailRecursiveSinkCommand + typealias Element = Observer.Element + typealias SequenceGenerator = (generator: Sequence.Iterator, remaining: IntMax?) + + var generators: [SequenceGenerator] = [] + var disposed = false + var subscription = SerialDisposable() + + // this is thread safe object + var gate = AsyncLock>>() + + override init(observer: Observer, cancel: Cancelable) { + super.init(observer: observer, cancel: cancel) + } + + func run(_ sources: SequenceGenerator) -> Disposable { + self.generators.append(sources) + + self.schedule(.moveNext) + + return self.subscription + } + + func invoke(_ command: TailRecursiveSinkCommand) { + switch command { + case .dispose: + self.disposeCommand() + case .moveNext: + self.moveNextCommand() + } + } + + // simple implementation for now + func schedule(_ command: TailRecursiveSinkCommand) { + self.gate.invoke(InvocableScheduledItem(invocable: self, state: command)) + } + + func done() { + self.forwardOn(.completed) + self.dispose() + } + + func extract(_ observable: Observable) -> SequenceGenerator? { + rxAbstractMethod() + } + + // should be done on gate locked + + private func moveNextCommand() { + var next: Observable? + + repeat { + guard let (g, left) = self.generators.last else { + break + } + + if self.isDisposed { + return + } + + self.generators.removeLast() + + var e = g + + guard let nextCandidate = e.next()?.asObservable() else { + continue + } + + // `left` is a hint of how many elements are left in generator. + // In case this is the last element, then there is no need to push + // that generator on stack. + // + // This is an optimization used to make sure in tail recursive case + // there is no memory leak in case this operator is used to generate non terminating + // sequence. + + if let knownOriginalLeft = left { + // `- 1` because generator.next() has just been called + if knownOriginalLeft - 1 >= 1 { + self.generators.append((e, knownOriginalLeft - 1)) + } + } + else { + self.generators.append((e, nil)) + } + + let nextGenerator = self.extract(nextCandidate) + + if let nextGenerator = nextGenerator { + self.generators.append(nextGenerator) + #if DEBUG || TRACE_RESOURCES + if maxTailRecursiveSinkStackSize < self.generators.count { + maxTailRecursiveSinkStackSize = self.generators.count + } + #endif + } + else { + next = nextCandidate + } + } while next == nil + + guard let existingNext = next else { + self.done() + return + } + + let disposable = SingleAssignmentDisposable() + self.subscription.disposable = disposable + disposable.setDisposable(self.subscribeToNext(existingNext)) + } + + func subscribeToNext(_ source: Observable) -> Disposable { + rxAbstractMethod() + } + + func disposeCommand() { + self.disposed = true + self.generators.removeAll(keepingCapacity: false) + } + + override func dispose() { + super.dispose() + + self.subscription.dispose() + self.gate.dispose() + + self.schedule(.dispose) + } +} + diff --git a/Pods/RxSwift/RxSwift/Reactive.swift b/Pods/RxSwift/RxSwift/Reactive.swift new file mode 100644 index 0000000..1bf390d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Reactive.swift @@ -0,0 +1,80 @@ +// +// Reactive.swift +// RxSwift +// +// Created by Yury Korolev on 5/2/16. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +/** + Use `Reactive` proxy as customization point for constrained protocol extensions. + + General pattern would be: + + // 1. Extend Reactive protocol with constrain on Base + // Read as: Reactive Extension where Base is a SomeType + extension Reactive where Base: SomeType { + // 2. Put any specific reactive extension for SomeType here + } + + With this approach we can have more specialized methods and properties using + `Base` and not just specialized on common base type. + + `Binder`s are also automatically synthesized using `@dynamicMemberLookup` for writable reference properties of the reactive base. + */ + +@dynamicMemberLookup +public struct Reactive { + /// Base object to extend. + public let base: Base + + /// Creates extensions with base object. + /// + /// - parameter base: Base object. + public init(_ base: Base) { + self.base = base + } + + /// Automatically synthesized binder for a key path between the reactive + /// base and one of its properties + public subscript(dynamicMember keyPath: ReferenceWritableKeyPath) -> Binder where Base: AnyObject { + Binder(self.base) { base, value in + base[keyPath: keyPath] = value + } + } +} + +/// A type that has reactive extensions. +public protocol ReactiveCompatible { + /// Extended type + associatedtype ReactiveBase + + /// Reactive extensions. + static var rx: Reactive.Type { get set } + + /// Reactive extensions. + var rx: Reactive { get set } +} + +extension ReactiveCompatible { + /// Reactive extensions. + public static var rx: Reactive.Type { + get { Reactive.self } + // this enables using Reactive to "mutate" base type + // swiftlint:disable:next unused_setter_value + set { } + } + + /// Reactive extensions. + public var rx: Reactive { + get { Reactive(self) } + // this enables using Reactive to "mutate" base object + // swiftlint:disable:next unused_setter_value + set { } + } +} + +import Foundation + +/// Extend NSObject with `rx` proxy. +extension NSObject: ReactiveCompatible { } diff --git a/Pods/RxSwift/RxSwift/Rx.swift b/Pods/RxSwift/RxSwift/Rx.swift new file mode 100644 index 0000000..bcdd279 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Rx.swift @@ -0,0 +1,142 @@ +// +// Rx.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/14/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +#if TRACE_RESOURCES + private let resourceCount = AtomicInt(0) + + /// Resource utilization information + public struct Resources { + /// Counts internal Rx resource allocations (Observables, Observers, Disposables, etc.). This provides a simple way to detect leaks during development. + public static var total: Int32 { + load(resourceCount) + } + + /// Increments `Resources.total` resource count. + /// + /// - returns: New resource count + public static func incrementTotal() -> Int32 { + increment(resourceCount) + } + + /// Decrements `Resources.total` resource count + /// + /// - returns: New resource count + public static func decrementTotal() -> Int32 { + decrement(resourceCount) + } + } +#endif + +/// Swift does not implement abstract methods. This method is used as a runtime check to ensure that methods which intended to be abstract (i.e., they should be implemented in subclasses) are not called directly on the superclass. +func rxAbstractMethod(file: StaticString = #file, line: UInt = #line) -> Swift.Never { + rxFatalError("Abstract method", file: file, line: line) +} + +func rxFatalError(_ lastMessage: @autoclosure () -> String, file: StaticString = #file, line: UInt = #line) -> Swift.Never { + fatalError(lastMessage(), file: file, line: line) +} + +func rxFatalErrorInDebug(_ lastMessage: @autoclosure () -> String, file: StaticString = #file, line: UInt = #line) { + #if DEBUG + fatalError(lastMessage(), file: file, line: line) + #else + print("\(file):\(line): \(lastMessage())") + #endif +} + +func incrementChecked(_ i: inout Int) throws -> Int { + if i == Int.max { + throw RxError.overflow + } + defer { i += 1 } + return i +} + +func decrementChecked(_ i: inout Int) throws -> Int { + if i == Int.min { + throw RxError.overflow + } + defer { i -= 1 } + return i +} + +#if DEBUG + import Foundation + final class SynchronizationTracker { + private let lock = RecursiveLock() + + public enum SynchronizationErrorMessages: String { + case variable = "Two different threads are trying to assign the same `Variable.value` unsynchronized.\n This is undefined behavior because the end result (variable value) is nondeterministic and depends on the \n operating system thread scheduler. This will cause random behavior of your program.\n" + case `default` = "Two different unsynchronized threads are trying to send some event simultaneously.\n This is undefined behavior because the ordering of the effects caused by these events is nondeterministic and depends on the \n operating system thread scheduler. This will result in a random behavior of your program.\n" + } + + private var threads = [UnsafeMutableRawPointer: Int]() + + private func synchronizationError(_ message: String) { + #if FATAL_SYNCHRONIZATION + rxFatalError(message) + #else + print(message) + #endif + } + + func register(synchronizationErrorMessage: SynchronizationErrorMessages) { + self.lock.lock(); defer { self.lock.unlock() } + let pointer = Unmanaged.passUnretained(Thread.current).toOpaque() + let count = (self.threads[pointer] ?? 0) + 1 + + if count > 1 { + self.synchronizationError( + "⚠️ Reentrancy anomaly was detected.\n" + + " > Debugging: To debug this issue you can set a breakpoint in \(#file):\(#line) and observe the call stack.\n" + + " > Problem: This behavior is breaking the observable sequence grammar. `next (error | completed)?`\n" + + " This behavior breaks the grammar because there is overlapping between sequence events.\n" + + " Observable sequence is trying to send an event before sending of previous event has finished.\n" + + " > Interpretation: This could mean that there is some kind of unexpected cyclic dependency in your code,\n" + + " or that the system is not behaving in the expected way.\n" + + " > Remedy: If this is the expected behavior this message can be suppressed by adding `.observe(on:MainScheduler.asyncInstance)`\n" + + " or by enqueuing sequence events in some other way.\n" + ) + } + + self.threads[pointer] = count + + if self.threads.count > 1 { + self.synchronizationError( + "⚠️ Synchronization anomaly was detected.\n" + + " > Debugging: To debug this issue you can set a breakpoint in \(#file):\(#line) and observe the call stack.\n" + + " > Problem: This behavior is breaking the observable sequence grammar. `next (error | completed)?`\n" + + " This behavior breaks the grammar because there is overlapping between sequence events.\n" + + " Observable sequence is trying to send an event before sending of previous event has finished.\n" + + " > Interpretation: " + synchronizationErrorMessage.rawValue + + " > Remedy: If this is the expected behavior this message can be suppressed by adding `.observe(on:MainScheduler.asyncInstance)`\n" + + " or by synchronizing sequence events in some other way.\n" + ) + } + } + + func unregister() { + self.lock.performLocked { + let pointer = Unmanaged.passUnretained(Thread.current).toOpaque() + self.threads[pointer] = (self.threads[pointer] ?? 1) - 1 + if self.threads[pointer] == 0 { + self.threads[pointer] = nil + } + } + } + } + +#endif + +/// RxSwift global hooks +public enum Hooks { + + // Should capture call stack + public static var recordCallStackOnError: Bool = false + +} diff --git a/Pods/RxSwift/RxSwift/RxMutableBox.swift b/Pods/RxSwift/RxSwift/RxMutableBox.swift new file mode 100644 index 0000000..73476c3 --- /dev/null +++ b/Pods/RxSwift/RxSwift/RxMutableBox.swift @@ -0,0 +1,53 @@ +// +// RxMutableBox.swift +// RxSwift +// +// Created by Krunoslav Zaher on 5/22/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +#if os(Linux) +/// As Swift 5 was released, A patch to `Thread` for Linux +/// changed `threadDictionary` to a `NSMutableDictionary` instead of +/// a `Dictionary`: https://github.com/apple/swift-corelibs-foundation/pull/1762/files +/// +/// This means that on Linux specifically, `RxMutableBox` must be a `NSObject` +/// or it won't be possible to store it in `Thread.threadDictionary`. +/// +/// For more information, read the discussion at: +/// https://github.com/ReactiveX/RxSwift/issues/1911#issuecomment-479723298 +import Foundation + +/// Creates mutable reference wrapper for any type. +final class RxMutableBox: NSObject { + /// Wrapped value + var value: T + + /// Creates reference wrapper for `value`. + /// + /// - parameter value: Value to wrap. + init (_ value: T) { + self.value = value + } +} +#else +/// Creates mutable reference wrapper for any type. +final class RxMutableBox: CustomDebugStringConvertible { + /// Wrapped value + var value: T + + /// Creates reference wrapper for `value`. + /// + /// - parameter value: Value to wrap. + init (_ value: T) { + self.value = value + } +} + +extension RxMutableBox { + /// - returns: Box description. + var debugDescription: String { + "MutatingBox(\(self.value))" + } +} +#endif diff --git a/Pods/RxSwift/RxSwift/SchedulerType.swift b/Pods/RxSwift/RxSwift/SchedulerType.swift new file mode 100644 index 0000000..6c8fe4a --- /dev/null +++ b/Pods/RxSwift/RxSwift/SchedulerType.swift @@ -0,0 +1,71 @@ +// +// SchedulerType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +// Type that represents time interval in the context of RxSwift. +public typealias RxTimeInterval = DispatchTimeInterval + +/// Type that represents absolute time in the context of RxSwift. +public typealias RxTime = Date + +/// Represents an object that schedules units of work. +public protocol SchedulerType: ImmediateSchedulerType { + + /// - returns: Current time. + var now : RxTime { + get + } + + /** + Schedules an action to be executed. + + - parameter state: State passed to the action to be executed. + - parameter dueTime: Relative time after which to execute the action. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + func scheduleRelative(_ state: StateType, dueTime: RxTimeInterval, action: @escaping (StateType) -> Disposable) -> Disposable + + /** + Schedules a periodic piece of work. + + - parameter state: State passed to the action to be executed. + - parameter startAfter: Period after which initial work should be run. + - parameter period: Period for running the work periodically. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + func schedulePeriodic(_ state: StateType, startAfter: RxTimeInterval, period: RxTimeInterval, action: @escaping (StateType) -> StateType) -> Disposable +} + +extension SchedulerType { + + /** + Periodic task will be emulated using recursive scheduling. + + - parameter state: Initial state passed to the action upon the first iteration. + - parameter startAfter: Period after which initial work should be run. + - parameter period: Period for running the work periodically. + - returns: The disposable object used to cancel the scheduled recurring action (best effort). + */ + public func schedulePeriodic(_ state: StateType, startAfter: RxTimeInterval, period: RxTimeInterval, action: @escaping (StateType) -> StateType) -> Disposable { + let schedule = SchedulePeriodicRecursive(scheduler: self, startAfter: startAfter, period: period, action: action, state: state) + + return schedule.start() + } + + func scheduleRecursive(_ state: State, dueTime: RxTimeInterval, action: @escaping (State, AnyRecursiveScheduler) -> Void) -> Disposable { + let scheduler = AnyRecursiveScheduler(scheduler: self, action: action) + + scheduler.schedule(state, dueTime: dueTime) + + return Disposables.create(with: scheduler.dispose) + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/ConcurrentDispatchQueueScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/ConcurrentDispatchQueueScheduler.swift new file mode 100644 index 0000000..02c47c9 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/ConcurrentDispatchQueueScheduler.swift @@ -0,0 +1,82 @@ +// +// ConcurrentDispatchQueueScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 7/5/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +/// Abstracts the work that needs to be performed on a specific `dispatch_queue_t`. You can also pass a serial dispatch queue, it shouldn't cause any problems. +/// +/// This scheduler is suitable when some work needs to be performed in background. +public class ConcurrentDispatchQueueScheduler: SchedulerType { + public typealias TimeInterval = Foundation.TimeInterval + public typealias Time = Date + + public var now : Date { + Date() + } + + let configuration: DispatchQueueConfiguration + + /// Constructs new `ConcurrentDispatchQueueScheduler` that wraps `queue`. + /// + /// - parameter queue: Target dispatch queue. + /// - parameter leeway: The amount of time, in nanoseconds, that the system will defer the timer. + public init(queue: DispatchQueue, leeway: DispatchTimeInterval = DispatchTimeInterval.nanoseconds(0)) { + self.configuration = DispatchQueueConfiguration(queue: queue, leeway: leeway) + } + + /// Convenience init for scheduler that wraps one of the global concurrent dispatch queues. + /// + /// - parameter qos: Target global dispatch queue, by quality of service class. + /// - parameter leeway: The amount of time, in nanoseconds, that the system will defer the timer. + public convenience init(qos: DispatchQoS, leeway: DispatchTimeInterval = DispatchTimeInterval.nanoseconds(0)) { + self.init(queue: DispatchQueue( + label: "rxswift.queue.\(qos)", + qos: qos, + attributes: [DispatchQueue.Attributes.concurrent], + target: nil), + leeway: leeway + ) + } + + /** + Schedules an action to be executed immediately. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public final func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + self.configuration.schedule(state, action: action) + } + + /** + Schedules an action to be executed. + + - parameter state: State passed to the action to be executed. + - parameter dueTime: Relative time after which to execute the action. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public final func scheduleRelative(_ state: StateType, dueTime: RxTimeInterval, action: @escaping (StateType) -> Disposable) -> Disposable { + self.configuration.scheduleRelative(state, dueTime: dueTime, action: action) + } + + /** + Schedules a periodic piece of work. + + - parameter state: State passed to the action to be executed. + - parameter startAfter: Period after which initial work should be run. + - parameter period: Period for running the work periodically. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func schedulePeriodic(_ state: StateType, startAfter: RxTimeInterval, period: RxTimeInterval, action: @escaping (StateType) -> StateType) -> Disposable { + self.configuration.schedulePeriodic(state, startAfter: startAfter, period: period, action: action) + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/ConcurrentMainScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/ConcurrentMainScheduler.swift new file mode 100644 index 0000000..c438d7d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/ConcurrentMainScheduler.swift @@ -0,0 +1,87 @@ +// +// ConcurrentMainScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 10/17/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +/** +Abstracts work that needs to be performed on `MainThread`. In case `schedule` methods are called from main thread, it will perform action immediately without scheduling. + +This scheduler is optimized for `subscribeOn` operator. If you want to observe observable sequence elements on main thread using `observeOn` operator, +`MainScheduler` is more suitable for that purpose. +*/ +public final class ConcurrentMainScheduler : SchedulerType { + public typealias TimeInterval = Foundation.TimeInterval + public typealias Time = Date + + private let mainScheduler: MainScheduler + private let mainQueue: DispatchQueue + + /// - returns: Current time. + public var now: Date { + self.mainScheduler.now as Date + } + + private init(mainScheduler: MainScheduler) { + self.mainQueue = DispatchQueue.main + self.mainScheduler = mainScheduler + } + + /// Singleton instance of `ConcurrentMainScheduler` + public static let instance = ConcurrentMainScheduler(mainScheduler: MainScheduler.instance) + + /** + Schedules an action to be executed immediately. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + if DispatchQueue.isMain { + return action(state) + } + + let cancel = SingleAssignmentDisposable() + + self.mainQueue.async { + if cancel.isDisposed { + return + } + + cancel.setDisposable(action(state)) + } + + return cancel + } + + /** + Schedules an action to be executed. + + - parameter state: State passed to the action to be executed. + - parameter dueTime: Relative time after which to execute the action. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public final func scheduleRelative(_ state: StateType, dueTime: RxTimeInterval, action: @escaping (StateType) -> Disposable) -> Disposable { + self.mainScheduler.scheduleRelative(state, dueTime: dueTime, action: action) + } + + /** + Schedules a periodic piece of work. + + - parameter state: State passed to the action to be executed. + - parameter startAfter: Period after which initial work should be run. + - parameter period: Period for running the work periodically. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func schedulePeriodic(_ state: StateType, startAfter: RxTimeInterval, period: RxTimeInterval, action: @escaping (StateType) -> StateType) -> Disposable { + self.mainScheduler.schedulePeriodic(state, startAfter: startAfter, period: period, action: action) + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/CurrentThreadScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/CurrentThreadScheduler.swift new file mode 100644 index 0000000..16a7dd3 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/CurrentThreadScheduler.swift @@ -0,0 +1,131 @@ +// +// CurrentThreadScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 8/30/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +#if os(Linux) + fileprivate enum CurrentThreadSchedulerQueueKey { + fileprivate static let instance = "RxSwift.CurrentThreadScheduler.Queue" + } +#else + private class CurrentThreadSchedulerQueueKey: NSObject, NSCopying { + static let instance = CurrentThreadSchedulerQueueKey() + private override init() { + super.init() + } + + override var hash: Int { + return 0 + } + + public func copy(with zone: NSZone? = nil) -> Any { + return self + } + } +#endif + +/// Represents an object that schedules units of work on the current thread. +/// +/// This is the default scheduler for operators that generate elements. +/// +/// This scheduler is also sometimes called `trampoline scheduler`. +public class CurrentThreadScheduler : ImmediateSchedulerType { + typealias ScheduleQueue = RxMutableBox> + + /// The singleton instance of the current thread scheduler. + public static let instance = CurrentThreadScheduler() + + private static var isScheduleRequiredKey: pthread_key_t = { () -> pthread_key_t in + let key = UnsafeMutablePointer.allocate(capacity: 1) + defer { key.deallocate() } + + guard pthread_key_create(key, nil) == 0 else { + rxFatalError("isScheduleRequired key creation failed") + } + + return key.pointee + }() + + private static var scheduleInProgressSentinel: UnsafeRawPointer = { () -> UnsafeRawPointer in + return UnsafeRawPointer(UnsafeMutablePointer.allocate(capacity: 1)) + }() + + static var queue : ScheduleQueue? { + get { + return Thread.getThreadLocalStorageValueForKey(CurrentThreadSchedulerQueueKey.instance) + } + set { + Thread.setThreadLocalStorageValue(newValue, forKey: CurrentThreadSchedulerQueueKey.instance) + } + } + + /// Gets a value that indicates whether the caller must call a `schedule` method. + public static private(set) var isScheduleRequired: Bool { + get { + return pthread_getspecific(CurrentThreadScheduler.isScheduleRequiredKey) == nil + } + set(isScheduleRequired) { + if pthread_setspecific(CurrentThreadScheduler.isScheduleRequiredKey, isScheduleRequired ? nil : scheduleInProgressSentinel) != 0 { + rxFatalError("pthread_setspecific failed") + } + } + } + + /** + Schedules an action to be executed as soon as possible on current thread. + + If this method is called on some thread that doesn't have `CurrentThreadScheduler` installed, scheduler will be + automatically installed and uninstalled after all work is performed. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + if CurrentThreadScheduler.isScheduleRequired { + CurrentThreadScheduler.isScheduleRequired = false + + let disposable = action(state) + + defer { + CurrentThreadScheduler.isScheduleRequired = true + CurrentThreadScheduler.queue = nil + } + + guard let queue = CurrentThreadScheduler.queue else { + return disposable + } + + while let latest = queue.value.dequeue() { + if latest.isDisposed { + continue + } + latest.invoke() + } + + return disposable + } + + let existingQueue = CurrentThreadScheduler.queue + + let queue: RxMutableBox> + if let existingQueue = existingQueue { + queue = existingQueue + } + else { + queue = RxMutableBox(Queue(capacity: 1)) + CurrentThreadScheduler.queue = queue + } + + let scheduledItem = ScheduledItem(action: action, state: state) + queue.value.enqueue(scheduledItem) + + return scheduledItem + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/HistoricalScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/HistoricalScheduler.swift new file mode 100644 index 0000000..fede60e --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/HistoricalScheduler.swift @@ -0,0 +1,22 @@ +// +// HistoricalScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 12/27/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +/// Provides a virtual time scheduler that uses `Date` for absolute time and `NSTimeInterval` for relative time. +public class HistoricalScheduler : VirtualTimeScheduler { + + /** + Creates a new historical scheduler with initial clock value. + + - parameter initialClock: Initial value for virtual clock. + */ + public init(initialClock: RxTime = Date(timeIntervalSince1970: 0)) { + super.init(initialClock: initialClock, converter: HistoricalSchedulerTimeConverter()) + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/HistoricalSchedulerTimeConverter.swift b/Pods/RxSwift/RxSwift/Schedulers/HistoricalSchedulerTimeConverter.swift new file mode 100644 index 0000000..a8fae8a --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/HistoricalSchedulerTimeConverter.swift @@ -0,0 +1,67 @@ +// +// HistoricalSchedulerTimeConverter.swift +// RxSwift +// +// Created by Krunoslav Zaher on 12/27/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +/// Converts historical virtual time into real time. +/// +/// Since historical virtual time is also measured in `Date`, this converter is identity function. +public struct HistoricalSchedulerTimeConverter : VirtualTimeConverterType { + /// Virtual time unit used that represents ticks of virtual clock. + public typealias VirtualTimeUnit = RxTime + + /// Virtual time unit used to represent differences of virtual times. + public typealias VirtualTimeIntervalUnit = TimeInterval + + /// Returns identical value of argument passed because historical virtual time is equal to real time, just + /// decoupled from local machine clock. + public func convertFromVirtualTime(_ virtualTime: VirtualTimeUnit) -> RxTime { + virtualTime + } + + /// Returns identical value of argument passed because historical virtual time is equal to real time, just + /// decoupled from local machine clock. + public func convertToVirtualTime(_ time: RxTime) -> VirtualTimeUnit { + time + } + + /// Returns identical value of argument passed because historical virtual time is equal to real time, just + /// decoupled from local machine clock. + public func convertFromVirtualTimeInterval(_ virtualTimeInterval: VirtualTimeIntervalUnit) -> TimeInterval { + virtualTimeInterval + } + + /// Returns identical value of argument passed because historical virtual time is equal to real time, just + /// decoupled from local machine clock. + public func convertToVirtualTimeInterval(_ timeInterval: TimeInterval) -> VirtualTimeIntervalUnit { + timeInterval + } + + /** + Offsets `Date` by time interval. + + - parameter time: Time. + - parameter timeInterval: Time interval offset. + - returns: Time offsetted by time interval. + */ + public func offsetVirtualTime(_ time: VirtualTimeUnit, offset: VirtualTimeIntervalUnit) -> VirtualTimeUnit { + time.addingTimeInterval(offset) + } + + /// Compares two `Date`s. + public func compareVirtualTime(_ lhs: VirtualTimeUnit, _ rhs: VirtualTimeUnit) -> VirtualTimeComparison { + switch lhs.compare(rhs as Date) { + case .orderedAscending: + return .lessThan + case .orderedSame: + return .equal + case .orderedDescending: + return .greaterThan + } + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/Internal/DispatchQueueConfiguration.swift b/Pods/RxSwift/RxSwift/Schedulers/Internal/DispatchQueueConfiguration.swift new file mode 100644 index 0000000..53f148d --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/Internal/DispatchQueueConfiguration.swift @@ -0,0 +1,97 @@ +// +// DispatchQueueConfiguration.swift +// RxSwift +// +// Created by Krunoslav Zaher on 7/23/16. +// Copyright © 2016 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +struct DispatchQueueConfiguration { + let queue: DispatchQueue + let leeway: DispatchTimeInterval +} + +extension DispatchQueueConfiguration { + func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + let cancel = SingleAssignmentDisposable() + + self.queue.async { + if cancel.isDisposed { + return + } + + + cancel.setDisposable(action(state)) + } + + return cancel + } + + func scheduleRelative(_ state: StateType, dueTime: RxTimeInterval, action: @escaping (StateType) -> Disposable) -> Disposable { + let deadline = DispatchTime.now() + dueTime + + let compositeDisposable = CompositeDisposable() + + let timer = DispatchSource.makeTimerSource(queue: self.queue) + timer.schedule(deadline: deadline, leeway: self.leeway) + + // TODO: + // This looks horrible, and yes, it is. + // It looks like Apple has made a conceptual change here, and I'm unsure why. + // Need more info on this. + // It looks like just setting timer to fire and not holding a reference to it + // until deadline causes timer cancellation. + var timerReference: DispatchSourceTimer? = timer + let cancelTimer = Disposables.create { + timerReference?.cancel() + timerReference = nil + } + + timer.setEventHandler(handler: { + if compositeDisposable.isDisposed { + return + } + _ = compositeDisposable.insert(action(state)) + cancelTimer.dispose() + }) + timer.resume() + + _ = compositeDisposable.insert(cancelTimer) + + return compositeDisposable + } + + func schedulePeriodic(_ state: StateType, startAfter: RxTimeInterval, period: RxTimeInterval, action: @escaping (StateType) -> StateType) -> Disposable { + let initial = DispatchTime.now() + startAfter + + var timerState = state + + let timer = DispatchSource.makeTimerSource(queue: self.queue) + timer.schedule(deadline: initial, repeating: period, leeway: self.leeway) + + // TODO: + // This looks horrible, and yes, it is. + // It looks like Apple has made a conceptual change here, and I'm unsure why. + // Need more info on this. + // It looks like just setting timer to fire and not holding a reference to it + // until deadline causes timer cancellation. + var timerReference: DispatchSourceTimer? = timer + let cancelTimer = Disposables.create { + timerReference?.cancel() + timerReference = nil + } + + timer.setEventHandler(handler: { + if cancelTimer.isDisposed { + return + } + timerState = action(timerState) + }) + timer.resume() + + return cancelTimer + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/Internal/InvocableScheduledItem.swift b/Pods/RxSwift/RxSwift/Schedulers/Internal/InvocableScheduledItem.swift new file mode 100644 index 0000000..0e15056 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/Internal/InvocableScheduledItem.swift @@ -0,0 +1,22 @@ +// +// InvocableScheduledItem.swift +// RxSwift +// +// Created by Krunoslav Zaher on 11/7/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +struct InvocableScheduledItem : InvocableType { + + let invocable: I + let state: I.Value + + init(invocable: I, state: I.Value) { + self.invocable = invocable + self.state = state + } + + func invoke() { + self.invocable.invoke(self.state) + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/Internal/InvocableType.swift b/Pods/RxSwift/RxSwift/Schedulers/Internal/InvocableType.swift new file mode 100644 index 0000000..0dba433 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/Internal/InvocableType.swift @@ -0,0 +1,17 @@ +// +// InvocableType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 11/7/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol InvocableType { + func invoke() +} + +protocol InvocableWithValueType { + associatedtype Value + + func invoke(_ value: Value) +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/Internal/ScheduledItem.swift b/Pods/RxSwift/RxSwift/Schedulers/Internal/ScheduledItem.swift new file mode 100644 index 0000000..3d790d7 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/Internal/ScheduledItem.swift @@ -0,0 +1,35 @@ +// +// ScheduledItem.swift +// RxSwift +// +// Created by Krunoslav Zaher on 9/2/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +struct ScheduledItem + : ScheduledItemType + , InvocableType { + typealias Action = (T) -> Disposable + + private let action: Action + private let state: T + + private let disposable = SingleAssignmentDisposable() + + var isDisposed: Bool { + self.disposable.isDisposed + } + + init(action: @escaping Action, state: T) { + self.action = action + self.state = state + } + + func invoke() { + self.disposable.setDisposable(self.action(self.state)) + } + + func dispose() { + self.disposable.dispose() + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/Internal/ScheduledItemType.swift b/Pods/RxSwift/RxSwift/Schedulers/Internal/ScheduledItemType.swift new file mode 100644 index 0000000..d2b16ca --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/Internal/ScheduledItemType.swift @@ -0,0 +1,13 @@ +// +// ScheduledItemType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 11/7/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +protocol ScheduledItemType + : Cancelable + , InvocableType { + func invoke() +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/MainScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/MainScheduler.swift new file mode 100644 index 0000000..f6a507f --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/MainScheduler.swift @@ -0,0 +1,80 @@ +// +// MainScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +#if !os(Linux) + import Foundation +#endif + +/** +Abstracts work that needs to be performed on `DispatchQueue.main`. In case `schedule` methods are called from `DispatchQueue.main`, it will perform action immediately without scheduling. + +This scheduler is usually used to perform UI work. + +Main scheduler is a specialization of `SerialDispatchQueueScheduler`. + +This scheduler is optimized for `observeOn` operator. To ensure observable sequence is subscribed on main thread using `subscribeOn` +operator please use `ConcurrentMainScheduler` because it is more optimized for that purpose. +*/ +public final class MainScheduler : SerialDispatchQueueScheduler { + + private let mainQueue: DispatchQueue + + let numberEnqueued = AtomicInt(0) + + /// Initializes new instance of `MainScheduler`. + public init() { + self.mainQueue = DispatchQueue.main + super.init(serialQueue: self.mainQueue) + } + + /// Singleton instance of `MainScheduler` + public static let instance = MainScheduler() + + /// Singleton instance of `MainScheduler` that always schedules work asynchronously + /// and doesn't perform optimizations for calls scheduled from main queue. + public static let asyncInstance = SerialDispatchQueueScheduler(serialQueue: DispatchQueue.main) + + /// In case this method is called on a background thread it will throw an exception. + public static func ensureExecutingOnScheduler(errorMessage: String? = nil) { + if !DispatchQueue.isMain { + rxFatalError(errorMessage ?? "Executing on background thread. Please use `MainScheduler.instance.schedule` to schedule work on main thread.") + } + } + + /// In case this method is running on a background thread it will throw an exception. + public static func ensureRunningOnMainThread(errorMessage: String? = nil) { + #if !os(Linux) // isMainThread is not implemented in Linux Foundation + guard Thread.isMainThread else { + rxFatalError(errorMessage ?? "Running on background thread.") + } + #endif + } + + override func scheduleInternal(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + let previousNumberEnqueued = increment(self.numberEnqueued) + + if DispatchQueue.isMain && previousNumberEnqueued == 0 { + let disposable = action(state) + decrement(self.numberEnqueued) + return disposable + } + + let cancel = SingleAssignmentDisposable() + + self.mainQueue.async { + if !cancel.isDisposed { + cancel.setDisposable(action(state)) + } + + decrement(self.numberEnqueued) + } + + return cancel + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/OperationQueueScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/OperationQueueScheduler.swift new file mode 100644 index 0000000..f0ad3d3 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/OperationQueueScheduler.swift @@ -0,0 +1,54 @@ +// +// OperationQueueScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 4/4/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +/// Abstracts the work that needs to be performed on a specific `NSOperationQueue`. +/// +/// This scheduler is suitable for cases when there is some bigger chunk of work that needs to be performed in background and you want to fine tune concurrent processing using `maxConcurrentOperationCount`. +public class OperationQueueScheduler: ImmediateSchedulerType { + public let operationQueue: OperationQueue + public let queuePriority: Operation.QueuePriority + + /// Constructs new instance of `OperationQueueScheduler` that performs work on `operationQueue`. + /// + /// - parameter operationQueue: Operation queue targeted to perform work on. + /// - parameter queuePriority: Queue priority which will be assigned to new operations. + public init(operationQueue: OperationQueue, queuePriority: Operation.QueuePriority = .normal) { + self.operationQueue = operationQueue + self.queuePriority = queuePriority + } + + /** + Schedules an action to be executed recursively. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to execute recursively. The last parameter passed to the action is used to trigger recursive scheduling of the action, passing in recursive invocation state. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + let cancel = SingleAssignmentDisposable() + + let operation = BlockOperation { + if cancel.isDisposed { + return + } + + + cancel.setDisposable(action(state)) + } + + operation.queuePriority = self.queuePriority + + self.operationQueue.addOperation(operation) + + return cancel + } + +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/RecursiveScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/RecursiveScheduler.swift new file mode 100644 index 0000000..0ee78cd --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/RecursiveScheduler.swift @@ -0,0 +1,220 @@ +// +// RecursiveScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/7/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +private enum ScheduleState { + case initial + case added(CompositeDisposable.DisposeKey) + case done +} + +/// Type erased recursive scheduler. +final class AnyRecursiveScheduler { + + typealias Action = (State, AnyRecursiveScheduler) -> Void + + private let lock = RecursiveLock() + + // state + private let group = CompositeDisposable() + + private var scheduler: SchedulerType + private var action: Action? + + init(scheduler: SchedulerType, action: @escaping Action) { + self.action = action + self.scheduler = scheduler + } + + /** + Schedules an action to be executed recursively. + + - parameter state: State passed to the action to be executed. + - parameter dueTime: Relative time after which to execute the recursive action. + */ + func schedule(_ state: State, dueTime: RxTimeInterval) { + var scheduleState: ScheduleState = .initial + + let d = self.scheduler.scheduleRelative(state, dueTime: dueTime) { state -> Disposable in + // best effort + if self.group.isDisposed { + return Disposables.create() + } + + let action = self.lock.performLocked { () -> Action? in + switch scheduleState { + case let .added(removeKey): + self.group.remove(for: removeKey) + case .initial: + break + case .done: + break + } + + scheduleState = .done + + return self.action + } + + if let action = action { + action(state, self) + } + + return Disposables.create() + } + + self.lock.performLocked { + switch scheduleState { + case .added: + rxFatalError("Invalid state") + case .initial: + if let removeKey = self.group.insert(d) { + scheduleState = .added(removeKey) + } + else { + scheduleState = .done + } + case .done: + break + } + } + } + + /// Schedules an action to be executed recursively. + /// + /// - parameter state: State passed to the action to be executed. + func schedule(_ state: State) { + var scheduleState: ScheduleState = .initial + + let d = self.scheduler.schedule(state) { state -> Disposable in + // best effort + if self.group.isDisposed { + return Disposables.create() + } + + let action = self.lock.performLocked { () -> Action? in + switch scheduleState { + case let .added(removeKey): + self.group.remove(for: removeKey) + case .initial: + break + case .done: + break + } + + scheduleState = .done + + return self.action + } + + if let action = action { + action(state, self) + } + + return Disposables.create() + } + + self.lock.performLocked { + switch scheduleState { + case .added: + rxFatalError("Invalid state") + case .initial: + if let removeKey = self.group.insert(d) { + scheduleState = .added(removeKey) + } + else { + scheduleState = .done + } + case .done: + break + } + } + } + + func dispose() { + self.lock.performLocked { + self.action = nil + } + self.group.dispose() + } +} + +/// Type erased recursive scheduler. +final class RecursiveImmediateScheduler { + typealias Action = (_ state: State, _ recurse: (State) -> Void) -> Void + + private var lock = SpinLock() + private let group = CompositeDisposable() + + private var action: Action? + private let scheduler: ImmediateSchedulerType + + init(action: @escaping Action, scheduler: ImmediateSchedulerType) { + self.action = action + self.scheduler = scheduler + } + + // immediate scheduling + + /// Schedules an action to be executed recursively. + /// + /// - parameter state: State passed to the action to be executed. + func schedule(_ state: State) { + var scheduleState: ScheduleState = .initial + + let d = self.scheduler.schedule(state) { state -> Disposable in + // best effort + if self.group.isDisposed { + return Disposables.create() + } + + let action = self.lock.performLocked { () -> Action? in + switch scheduleState { + case let .added(removeKey): + self.group.remove(for: removeKey) + case .initial: + break + case .done: + break + } + + scheduleState = .done + + return self.action + } + + if let action = action { + action(state, self.schedule) + } + + return Disposables.create() + } + + self.lock.performLocked { + switch scheduleState { + case .added: + rxFatalError("Invalid state") + case .initial: + if let removeKey = self.group.insert(d) { + scheduleState = .added(removeKey) + } + else { + scheduleState = .done + } + case .done: + break + } + } + } + + func dispose() { + self.lock.performLocked { + self.action = nil + } + self.group.dispose() + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/SchedulerServices+Emulation.swift b/Pods/RxSwift/RxSwift/Schedulers/SchedulerServices+Emulation.swift new file mode 100644 index 0000000..cab2bc8 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/SchedulerServices+Emulation.swift @@ -0,0 +1,61 @@ +// +// SchedulerServices+Emulation.swift +// RxSwift +// +// Created by Krunoslav Zaher on 6/6/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +enum SchedulePeriodicRecursiveCommand { + case tick + case dispatchStart +} + +final class SchedulePeriodicRecursive { + typealias RecursiveAction = (State) -> State + typealias RecursiveScheduler = AnyRecursiveScheduler + + private let scheduler: SchedulerType + private let startAfter: RxTimeInterval + private let period: RxTimeInterval + private let action: RecursiveAction + + private var state: State + private let pendingTickCount = AtomicInt(0) + + init(scheduler: SchedulerType, startAfter: RxTimeInterval, period: RxTimeInterval, action: @escaping RecursiveAction, state: State) { + self.scheduler = scheduler + self.startAfter = startAfter + self.period = period + self.action = action + self.state = state + } + + func start() -> Disposable { + self.scheduler.scheduleRecursive(SchedulePeriodicRecursiveCommand.tick, dueTime: self.startAfter, action: self.tick) + } + + func tick(_ command: SchedulePeriodicRecursiveCommand, scheduler: RecursiveScheduler) { + // Tries to emulate periodic scheduling as best as possible. + // The problem that could arise is if handling periodic ticks take too long, or + // tick interval is short. + switch command { + case .tick: + scheduler.schedule(.tick, dueTime: self.period) + + // The idea is that if on tick there wasn't any item enqueued, schedule to perform work immediately. + // Else work will be scheduled after previous enqueued work completes. + if increment(self.pendingTickCount) == 0 { + self.tick(.dispatchStart, scheduler: scheduler) + } + + case .dispatchStart: + self.state = self.action(self.state) + // Start work and schedule check is this last batch of work + if decrement(self.pendingTickCount) > 1 { + // This gives priority to scheduler emulation, it's not perfect, but helps + scheduler.schedule(SchedulePeriodicRecursiveCommand.dispatchStart) + } + } + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/SerialDispatchQueueScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/SerialDispatchQueueScheduler.swift new file mode 100644 index 0000000..bb0013c --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/SerialDispatchQueueScheduler.swift @@ -0,0 +1,131 @@ +// +// SerialDispatchQueueScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/8/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Dispatch +import Foundation + +/** +Abstracts the work that needs to be performed on a specific `dispatch_queue_t`. It will make sure +that even if concurrent dispatch queue is passed, it's transformed into a serial one. + +It is extremely important that this scheduler is serial, because +certain operator perform optimizations that rely on that property. + +Because there is no way of detecting is passed dispatch queue serial or +concurrent, for every queue that is being passed, worst case (concurrent) +will be assumed, and internal serial proxy dispatch queue will be created. + +This scheduler can also be used with internal serial queue alone. + +In case some customization need to be made on it before usage, +internal serial queue can be customized using `serialQueueConfiguration` +callback. +*/ +public class SerialDispatchQueueScheduler : SchedulerType { + public typealias TimeInterval = Foundation.TimeInterval + public typealias Time = Date + + /// - returns: Current time. + public var now : Date { + Date() + } + + let configuration: DispatchQueueConfiguration + + /** + Constructs new `SerialDispatchQueueScheduler` that wraps `serialQueue`. + + - parameter serialQueue: Target dispatch queue. + - parameter leeway: The amount of time, in nanoseconds, that the system will defer the timer. + */ + init(serialQueue: DispatchQueue, leeway: DispatchTimeInterval = DispatchTimeInterval.nanoseconds(0)) { + self.configuration = DispatchQueueConfiguration(queue: serialQueue, leeway: leeway) + } + + /** + Constructs new `SerialDispatchQueueScheduler` with internal serial queue named `internalSerialQueueName`. + + Additional dispatch queue properties can be set after dispatch queue is created using `serialQueueConfiguration`. + + - parameter internalSerialQueueName: Name of internal serial dispatch queue. + - parameter serialQueueConfiguration: Additional configuration of internal serial dispatch queue. + - parameter leeway: The amount of time, in nanoseconds, that the system will defer the timer. + */ + public convenience init(internalSerialQueueName: String, serialQueueConfiguration: ((DispatchQueue) -> Void)? = nil, leeway: DispatchTimeInterval = DispatchTimeInterval.nanoseconds(0)) { + let queue = DispatchQueue(label: internalSerialQueueName, attributes: []) + serialQueueConfiguration?(queue) + self.init(serialQueue: queue, leeway: leeway) + } + + /** + Constructs new `SerialDispatchQueueScheduler` named `internalSerialQueueName` that wraps `queue`. + + - parameter queue: Possibly concurrent dispatch queue used to perform work. + - parameter internalSerialQueueName: Name of internal serial dispatch queue proxy. + - parameter leeway: The amount of time, in nanoseconds, that the system will defer the timer. + */ + public convenience init(queue: DispatchQueue, internalSerialQueueName: String, leeway: DispatchTimeInterval = DispatchTimeInterval.nanoseconds(0)) { + // Swift 3.0 IUO + let serialQueue = DispatchQueue(label: internalSerialQueueName, + attributes: [], + target: queue) + self.init(serialQueue: serialQueue, leeway: leeway) + } + + /** + Constructs new `SerialDispatchQueueScheduler` that wraps one of the global concurrent dispatch queues. + + - parameter qos: Identifier for global dispatch queue with specified quality of service class. + - parameter internalSerialQueueName: Custom name for internal serial dispatch queue proxy. + - parameter leeway: The amount of time, in nanoseconds, that the system will defer the timer. + */ + @available(macOS 10.10, *) + public convenience init(qos: DispatchQoS, internalSerialQueueName: String = "rx.global_dispatch_queue.serial", leeway: DispatchTimeInterval = DispatchTimeInterval.nanoseconds(0)) { + self.init(queue: DispatchQueue.global(qos: qos.qosClass), internalSerialQueueName: internalSerialQueueName, leeway: leeway) + } + + /** + Schedules an action to be executed immediately. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public final func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + self.scheduleInternal(state, action: action) + } + + func scheduleInternal(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + self.configuration.schedule(state, action: action) + } + + /** + Schedules an action to be executed. + + - parameter state: State passed to the action to be executed. + - parameter dueTime: Relative time after which to execute the action. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public final func scheduleRelative(_ state: StateType, dueTime: RxTimeInterval, action: @escaping (StateType) -> Disposable) -> Disposable { + self.configuration.scheduleRelative(state, dueTime: dueTime, action: action) + } + + /** + Schedules a periodic piece of work. + + - parameter state: State passed to the action to be executed. + - parameter startAfter: Period after which initial work should be run. + - parameter period: Period for running the work periodically. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func schedulePeriodic(_ state: StateType, startAfter: RxTimeInterval, period: RxTimeInterval, action: @escaping (StateType) -> StateType) -> Disposable { + self.configuration.schedulePeriodic(state, startAfter: startAfter, period: period, action: action) + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/VirtualTimeConverterType.swift b/Pods/RxSwift/RxSwift/Schedulers/VirtualTimeConverterType.swift new file mode 100644 index 0000000..34151f7 --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/VirtualTimeConverterType.swift @@ -0,0 +1,97 @@ +// +// VirtualTimeConverterType.swift +// RxSwift +// +// Created by Krunoslav Zaher on 12/23/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +import Foundation + +/// Parametrization for virtual time used by `VirtualTimeScheduler`s. +public protocol VirtualTimeConverterType { + /// Virtual time unit used that represents ticks of virtual clock. + associatedtype VirtualTimeUnit + + /// Virtual time unit used to represent differences of virtual times. + associatedtype VirtualTimeIntervalUnit + + /** + Converts virtual time to real time. + + - parameter virtualTime: Virtual time to convert to `Date`. + - returns: `Date` corresponding to virtual time. + */ + func convertFromVirtualTime(_ virtualTime: VirtualTimeUnit) -> RxTime + + /** + Converts real time to virtual time. + + - parameter time: `Date` to convert to virtual time. + - returns: Virtual time corresponding to `Date`. + */ + func convertToVirtualTime(_ time: RxTime) -> VirtualTimeUnit + + /** + Converts from virtual time interval to `NSTimeInterval`. + + - parameter virtualTimeInterval: Virtual time interval to convert to `NSTimeInterval`. + - returns: `NSTimeInterval` corresponding to virtual time interval. + */ + func convertFromVirtualTimeInterval(_ virtualTimeInterval: VirtualTimeIntervalUnit) -> TimeInterval + + /** + Converts from `NSTimeInterval` to virtual time interval. + + - parameter timeInterval: `NSTimeInterval` to convert to virtual time interval. + - returns: Virtual time interval corresponding to time interval. + */ + func convertToVirtualTimeInterval(_ timeInterval: TimeInterval) -> VirtualTimeIntervalUnit + + /** + Offsets virtual time by virtual time interval. + + - parameter time: Virtual time. + - parameter offset: Virtual time interval. + - returns: Time corresponding to time offsetted by virtual time interval. + */ + func offsetVirtualTime(_ time: VirtualTimeUnit, offset: VirtualTimeIntervalUnit) -> VirtualTimeUnit + + /** + This is additional abstraction because `Date` is unfortunately not comparable. + Extending `Date` with `Comparable` would be too risky because of possible collisions with other libraries. + */ + func compareVirtualTime(_ lhs: VirtualTimeUnit, _ rhs: VirtualTimeUnit) -> VirtualTimeComparison +} + +/** + Virtual time comparison result. + + This is additional abstraction because `Date` is unfortunately not comparable. + Extending `Date` with `Comparable` would be too risky because of possible collisions with other libraries. +*/ +public enum VirtualTimeComparison { + /// lhs < rhs. + case lessThan + /// lhs == rhs. + case equal + /// lhs > rhs. + case greaterThan +} + +extension VirtualTimeComparison { + /// lhs < rhs. + var lessThen: Bool { + self == .lessThan + } + + /// lhs > rhs + var greaterThan: Bool { + self == .greaterThan + } + + /// lhs == rhs + var equal: Bool { + self == .equal + } +} diff --git a/Pods/RxSwift/RxSwift/Schedulers/VirtualTimeScheduler.swift b/Pods/RxSwift/RxSwift/Schedulers/VirtualTimeScheduler.swift new file mode 100644 index 0000000..e74d5be --- /dev/null +++ b/Pods/RxSwift/RxSwift/Schedulers/VirtualTimeScheduler.swift @@ -0,0 +1,267 @@ +// +// VirtualTimeScheduler.swift +// RxSwift +// +// Created by Krunoslav Zaher on 2/14/15. +// Copyright © 2015 Krunoslav Zaher. All rights reserved. +// + +/// Base class for virtual time schedulers using a priority queue for scheduled items. +open class VirtualTimeScheduler + : SchedulerType { + + public typealias VirtualTime = Converter.VirtualTimeUnit + public typealias VirtualTimeInterval = Converter.VirtualTimeIntervalUnit + + private var running : Bool + + private var currentClock: VirtualTime + + private var schedulerQueue : PriorityQueue> + private var converter: Converter + + private var nextId = 0 + + /// - returns: Current time. + public var now: RxTime { + self.converter.convertFromVirtualTime(self.clock) + } + + /// - returns: Scheduler's absolute time clock value. + public var clock: VirtualTime { + self.currentClock + } + + /// Creates a new virtual time scheduler. + /// + /// - parameter initialClock: Initial value for the clock. + public init(initialClock: VirtualTime, converter: Converter) { + self.currentClock = initialClock + self.running = false + self.converter = converter + self.schedulerQueue = PriorityQueue(hasHigherPriority: { + switch converter.compareVirtualTime($0.time, $1.time) { + case .lessThan: + return true + case .equal: + return $0.id < $1.id + case .greaterThan: + return false + } + }, isEqual: { $0 === $1 }) + #if TRACE_RESOURCES + _ = Resources.incrementTotal() + #endif + } + + /** + Schedules an action to be executed immediately. + + - parameter state: State passed to the action to be executed. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func schedule(_ state: StateType, action: @escaping (StateType) -> Disposable) -> Disposable { + return self.scheduleRelative(state, dueTime: .microseconds(0)) { a in + return action(a) + } + } + + /** + Schedules an action to be executed. + + - parameter state: State passed to the action to be executed. + - parameter dueTime: Relative time after which to execute the action. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func scheduleRelative(_ state: StateType, dueTime: RxTimeInterval, action: @escaping (StateType) -> Disposable) -> Disposable { + let time = self.now.addingDispatchInterval(dueTime) + let absoluteTime = self.converter.convertToVirtualTime(time) + let adjustedTime = self.adjustScheduledTime(absoluteTime) + return self.scheduleAbsoluteVirtual(state, time: adjustedTime, action: action) + } + + /** + Schedules an action to be executed after relative time has passed. + + - parameter state: State passed to the action to be executed. + - parameter time: Absolute time when to execute the action. If this is less or equal then `now`, `now + 1` will be used. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func scheduleRelativeVirtual(_ state: StateType, dueTime: VirtualTimeInterval, action: @escaping (StateType) -> Disposable) -> Disposable { + let time = self.converter.offsetVirtualTime(self.clock, offset: dueTime) + return self.scheduleAbsoluteVirtual(state, time: time, action: action) + } + + /** + Schedules an action to be executed at absolute virtual time. + + - parameter state: State passed to the action to be executed. + - parameter time: Absolute time when to execute the action. + - parameter action: Action to be executed. + - returns: The disposable object used to cancel the scheduled action (best effort). + */ + public func scheduleAbsoluteVirtual(_ state: StateType, time: VirtualTime, action: @escaping (StateType) -> Disposable) -> Disposable { + MainScheduler.ensureExecutingOnScheduler() + + let compositeDisposable = CompositeDisposable() + + let item = VirtualSchedulerItem(action: { + return action(state) + }, time: time, id: self.nextId) + + self.nextId += 1 + + self.schedulerQueue.enqueue(item) + + _ = compositeDisposable.insert(item) + + return compositeDisposable + } + + /// Adjusts time of scheduling before adding item to schedule queue. + open func adjustScheduledTime(_ time: VirtualTime) -> VirtualTime { + time + } + + /// Starts the virtual time scheduler. + public func start() { + MainScheduler.ensureExecutingOnScheduler() + + if self.running { + return + } + + self.running = true + repeat { + guard let next = self.findNext() else { + break + } + + if self.converter.compareVirtualTime(next.time, self.clock).greaterThan { + self.currentClock = next.time + } + + next.invoke() + self.schedulerQueue.remove(next) + } while self.running + + self.running = false + } + + func findNext() -> VirtualSchedulerItem? { + while let front = self.schedulerQueue.peek() { + if front.isDisposed { + self.schedulerQueue.remove(front) + continue + } + + return front + } + + return nil + } + + /// Advances the scheduler's clock to the specified time, running all work till that point. + /// + /// - parameter virtualTime: Absolute time to advance the scheduler's clock to. + public func advanceTo(_ virtualTime: VirtualTime) { + MainScheduler.ensureExecutingOnScheduler() + + if self.running { + fatalError("Scheduler is already running") + } + + self.running = true + repeat { + guard let next = self.findNext() else { + break + } + + if self.converter.compareVirtualTime(next.time, virtualTime).greaterThan { + break + } + + if self.converter.compareVirtualTime(next.time, self.clock).greaterThan { + self.currentClock = next.time + } + next.invoke() + self.schedulerQueue.remove(next) + } while self.running + + self.currentClock = virtualTime + self.running = false + } + + /// Advances the scheduler's clock by the specified relative time. + public func sleep(_ virtualInterval: VirtualTimeInterval) { + MainScheduler.ensureExecutingOnScheduler() + + let sleepTo = self.converter.offsetVirtualTime(self.clock, offset: virtualInterval) + if self.converter.compareVirtualTime(sleepTo, self.clock).lessThen { + fatalError("Can't sleep to past.") + } + + self.currentClock = sleepTo + } + + /// Stops the virtual time scheduler. + public func stop() { + MainScheduler.ensureExecutingOnScheduler() + + self.running = false + } + + #if TRACE_RESOURCES + deinit { + _ = Resources.decrementTotal() + } + #endif +} + +// MARK: description + +extension VirtualTimeScheduler: CustomDebugStringConvertible { + /// A textual representation of `self`, suitable for debugging. + public var debugDescription: String { + self.schedulerQueue.debugDescription + } +} + +final class VirtualSchedulerItem