diff --git a/assets/scss/_variables_project.scss b/assets/scss/_variables_project.scss
index 4b7cd5d6..94a8dd37 100644
--- a/assets/scss/_variables_project.scss
+++ b/assets/scss/_variables_project.scss
@@ -4,4 +4,7 @@ Add styles or override variables from the theme here.
 
 */
 
-$primary: #56a4ed
+$primary: #56a4ed;
+
+// Disable Google Fonts to comply with apache.org Content Security Policy
+$td-enable-google-fonts: false;
diff --git a/hugo.toml b/hugo.toml
index ae94c744..99383135 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -103,18 +103,15 @@ github_branch = "production"
 # gcs_engine_id = "7e3f91e3eadecceaa"
 
 # Enable Lunr.js offline search
-offlineSearch = false
+offlineSearch = true
+offlineSearchMaxResults = 25
+offlineSearchSummaryLength = 200
 
 # Enable syntax highlighting and copy buttons on code blocks with Prism
 prism_syntax_highlighting = false
 
 # User interface configuration
 
-[params.search.algolia]
-appId = '399WOPSE6Q'
-apiKey = '437a8e172549357b6ca768248caecff9'
-indexName = 'parquet-apache'
-
 [params.ui]
 #  Set to true to disable breadcrumb navigation.
 breadcrumb_disable = false
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
new file mode 100644
index 00000000..ca7039d9
--- /dev/null
+++ b/layouts/partials/head.html
@@ -0,0 +1,55 @@
+{{/*
+  Project-level override of Docsy's layouts/_partials/head.html
+
+  Why this file exists:
+  Apache's Content Security Policy (CSP) blocks resources from external CDNs.
+  The upstream Docsy theme loads jQuery from code.jquery.com and Lunr from
+  unpkg.com, both of which are blocked on parquet.apache.org. This override
+  loads vendored copies from static/js/ instead. It also removes the Algolia
+  DocSearch CSS block since we use Lunr offline search.
+
+  See: https://github.com/apache/parquet-site/issues/163
+*/ -}}
+{{/* cSpell:ignore docsearch opengraph outputformat */ -}}
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+{{ range .AlternativeOutputFormats -}}
+<link rel="{{ .Rel }}" type="{{ .MediaType.Type }}" href="{{ .Permalink | safeURL }}">
+{{ end -}}
+
+{{ $outputFormat := partial "outputformat.html" . -}}
+{{ if and hugo.IsProduction (ne $outputFormat "print") -}}
+<meta name="robots" content="index, follow">
+{{ else -}}
+<meta name="robots" content="noindex, nofollow">
+{{ end -}}
+
+{{ partialCached "favicons.html" . }}
+<title>
+  {{- if .IsHome -}}
+    {{ .Site.Title -}}
+  {{ else -}}
+    {{ with .Title }}{{ . }} | {{ end -}}
+    {{ .Site.Title -}}
+  {{ end -}}
+</title>
+<meta name="description" content="{{ partial "page-description.html" . }}">
+{{ partial "opengraph.html" . -}}
+{{ partial "schema.html" . -}}
+{{ partial "twitter_cards.html" . -}}
+{{ partialCached "head-css.html" . "head-css-cache-key" -}}
+<script src="{{ "js/jquery-3.7.1.min.js" | relURL }}"></script>
+{{ if .Site.Params.offlineSearch -}}
+<script defer src="{{ "js/lunr-2.3.9.min.js" | relURL }}"></script>
+{{ end -}}
+
+{{ if .Site.Params.prism_syntax_highlighting -}}
+<link rel="stylesheet" href="{{ "css/prism.css" | relURL }}"/>
+{{ end -}}
+
+{{ partial "hooks/head-end.html" . -}}
+
+{{/* To comply with GDPR, cookie consent scripts places in head-end must execute before Google Analytics is enabled */ -}}
+{{ if hugo.IsProduction -}}
+  {{ partial "google_analytics.html" . -}}
+{{ end -}}
diff --git a/layouts/partials/hooks/body-end.html b/layouts/partials/hooks/body-end.html
index 7eaec5e1..e69de29b 100644
--- a/layouts/partials/hooks/body-end.html
+++ b/layouts/partials/hooks/body-end.html
@@ -1,10 +0,0 @@
-{{ with .Site.Params.algolia_docsearch }}
-<script src="https://cdn.jsdelivr.net/npm/@docsearch/js@3"></script>
-
-<script type="text/javascript">
-  docsearch({
-    container: '#search_box',
-    debug: false // Set debug to true if you want to inspect the modal
-  });
-</script>
-{{ end }}
diff --git a/layouts/partials/hooks/head-end.html b/layouts/partials/hooks/head-end.html
index f038c1e4..e69de29b 100644
--- a/layouts/partials/hooks/head-end.html
+++ b/layouts/partials/hooks/head-end.html
@@ -1,3 +0,0 @@
-{{ with .Site.Params.algolia_docsearch }}
-<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@docsearch/css@3"/></pre></li>
-{{ end }}
diff --git a/layouts/partials/scripts.html b/layouts/partials/scripts.html
new file mode 100644
index 00000000..ebcb5ef5
--- /dev/null
+++ b/layouts/partials/scripts.html
@@ -0,0 +1,58 @@
+{{/* Project-level override of Docsy's layouts/_partials/scripts.html Why this
+file exists: Removes the Algolia DocSearch JS block (cdn.jsdelivr.net) which is
+blocked by Apache's CSP. Also removes the markmap-autoloader CDN reference since
+markmap is not enabled on this site. See:
+https://github.com/apache/parquet-site/issues/163 */ -}} {{ $needKaTeX := or
+.Params.math .Site.Params.katex.enable .Params.chem .Site.Params.chem
+(.Page.Store.Get "hasKaTeX") (.Page.Store.Get "hasmhchem") -}} {{ $needmhchem :=
+or .Params.chem .Site.Params.katex.mhchem.enable (.Page.Store.Get "hasmhchem")
+-}} {{/* markmap block removed — it loads from cdn.jsdelivr.net which is blocked
+by Apache's CSP, and markmap is not enabled on this site anyway. */ -}} {{ if
+.Site.Params.plantuml.enable -}}
+<script src='{{ "js/deflate.js" | relURL }}'></script>
+{{ end -}} {{ if $needKaTeX -}} {{ partial "scripts/katex.html" (dict "mhchem"
+$needmhchem) -}} {{ end -}} {{ $jsBs := resources.Get
+"vendor/bootstrap/dist/js/bootstrap.bundle.js" -}} {{ $jsBase := resources.Get
+"js/base.js" -}} {{ $jsSearch := resources.Get "js/search.js" |
+resources.ExecuteAsTemplate "js/search.js" .Site.Home -}} {{ $jsMarkmap :=
+resources.Get "js/markmap.js" | resources.ExecuteAsTemplate "js/markmap.js" .
+-}} {{ $jsPlantuml := resources.Get "js/plantuml.js" |
+resources.ExecuteAsTemplate "js/plantuml.js" . -}} {{ $jsDrawio := resources.Get
+"js/drawio.js" | resources.ExecuteAsTemplate "js/drawio.js" . -}} {{ if
+.Site.Params.offlineSearch -}} {{ $jsSearch = resources.Get
+"js/offline-search.js" -}} {{ end -}} {{ $jsArray := slice $jsBs $jsBase
+$jsSearch $jsPlantuml $jsMarkmap $jsDrawio -}} {{ if .Page.Store.Get
+"hasmermaid" -}} {{- partial "scripts/mermaid.html" . -}} {{ end -}} {{ if
+.Site.Params.ui.showLightDarkModeMenu -}} {{ $jsArray = $jsArray | append
+(resources.Get "js/dark-mode.js") -}} {{ end -}} {{ $js := $jsArray |
+resources.Concat "js/main.js" -}} {{ if hugo.IsProduction -}} {{ $js := $js |
+minify | fingerprint -}}
+<script
+    src="{{ $js.RelPermalink }}"
+    integrity="{{ $js.Data.Integrity }}"
+    crossorigin="anonymous"
+></script>
+{{ else -}}
+<script src="{{ $js.RelPermalink }}"></script>
+{{ end -}} {{ if .Site.Params.prism_syntax_highlighting -}}
+<script src='{{ "js/prism.js" | relURL }}'></script>
+{{ else if ( not .Site.Params.disable_click2copy_chroma ) -}} {{ $c2cJS :=
+resources.Get "js/click-to-copy.js" -}} {{ if hugo.IsProduction -}} {{ $c2cJS =
+$c2cJS | minify | fingerprint -}} {{ end -}}
+<script
+    defer
+    src="{{ $c2cJS.RelPermalink }}"
+    {{
+    with
+    $c2cJS.Data.Integrity
+    -}}
+    integrity="{{ . }}"
+    {{
+    end
+    -}}
+    crossorigin="anonymous"
+></script>
+{{ end -}}
+
+<script src='{{ "js/tabpane-persist.js" | relURL }}'></script>
+{{ partial "hooks/body-end.html" . -}}
diff --git a/static/js/jquery-3.7.1.min.js b/static/js/jquery-3.7.1.min.js
new file mode 100644
index 00000000..7f37b5d9
--- /dev/null
+++ b/static/js/jquery-3.7.1.min.js
@@ -0,0 +1,2 @@
+/*! jQuery v3.7.1 | (c) OpenJS Foundation and other contributors | jquery.org/license */
+!function(e,t){"use strict";"object"==typeof module&&"object"==typeof module.exports?module.exports=e.document?t(e,!0):function(e){if(!e.document)throw new Error("jQuery requires a window with a document");return t(e)}:t(e)}("undefined"!=typeof window?window:this,function(ie,e){"use strict";var oe=[],r=Object.getPrototypeOf,ae=oe.slice,g=oe.flat?function(e){return oe.flat.call(e)}:function(e){return oe.concat.apply([],e)},s=oe.push,se=oe.indexOf,n={},i=n.toString,ue=n.hasOwnProperty,o=ue.toString,a=o.call(Object),le={},v=function(e){return"function"==typeof e&&"number"!=typeof e.nodeType&&"function"!=typeof e.item},y=function(e){return null!=e&&e===e.window},C=ie.document,u={type:!0,src:!0,nonce:!0,noModule:!0};function m(e,t,n){var r,i,o=(n=n||C).createElement("script");if(o.text=e,t)for(r in u)(i=t[r]||t.getAttribute&&t.getAttribute(r))&&o.setAttribute(r,i);n.head.appendChild(o).parentNode.removeChild(o)}function x(e){return null==e?e+"":"object"==typeof e||"function"==typeof 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e,t=0,n=ce.timers;for(st=Date.now();t<n.length;t++)(e=n[t])()||n[t]!==e||n.splice(t--,1);n.length||ce.fx.stop(),st=void 0},ce.fx.timer=function(e){ce.timers.push(e),ce.fx.start()},ce.fx.interval=13,ce.fx.start=function(){ut||(ut=!0,dt())},ce.fx.stop=function(){ut=null},ce.fx.speeds={slow:600,fast:200,_default:400},ce.fn.delay=function(r,e){return r=ce.fx&&ce.fx.speeds[r]||r,e=e||"fx",this.queue(e,function(e,t){var n=ie.setTimeout(e,r);t.stop=function(){ie.clearTimeout(n)}})},lt=C.createElement("input"),ct=C.createElement("select").appendChild(C.createElement("option")),lt.type="checkbox",le.checkOn=""!==lt.value,le.optSelected=ct.selected,(lt=C.createElement("input")).value="t",lt.type="radio",le.radioValue="t"===lt.value;var mt,xt=ce.expr.attrHandle;ce.fn.extend({attr:function(e,t){return M(this,ce.attr,e,t,1<arguments.length)},removeAttr:function(e){return this.each(function(){ce.removeAttr(this,e)})}}),ce.extend({attr:function(e,t,n){var r,i,o=e.nodeType;if(3!==o&&8!==o&&2!==o)return"undefined"==typeof e.getAttribute?ce.prop(e,t,n):(1===o&&ce.isXMLDoc(e)||(i=ce.attrHooks[t.toLowerCase()]||(ce.expr.match.bool.test(t)?mt:void 0)),void 0!==n?null===n?void ce.removeAttr(e,t):i&&"set"in i&&void 0!==(r=i.set(e,n,t))?r:(e.setAttribute(t,n+""),n):i&&"get"in i&&null!==(r=i.get(e,t))?r:null==(r=ce.find.attr(e,t))?void 0:r)},attrHooks:{type:{set:function(e,t){if(!le.radioValue&&"radio"===t&&fe(e,"input")){var n=e.value;return e.setAttribute("type",t),n&&(e.value=n),t}}}},removeAttr:function(e,t){var n,r=0,i=t&&t.match(D);if(i&&1===e.nodeType)while(n=i[r++])e.removeAttribute(n)}}),mt={set:function(e,t,n){return!1===t?ce.removeAttr(e,n):e.setAttribute(n,n),n}},ce.each(ce.expr.match.bool.source.match(/\w+/g),function(e,t){var a=xt[t]||ce.find.attr;xt[t]=function(e,t,n){var r,i,o=t.toLowerCase();return n||(i=xt[o],xt[o]=r,r=null!=a(e,t,n)?o:null,xt[o]=i),r}});var bt=/^(?:input|select|textarea|button)$/i,wt=/^(?:a|area)$/i;function Tt(e){return(e.match(D)||[]).join(" ")}function Ct(e){return e.getAttribute&&e.getAttribute("class")||""}function kt(e){return Array.isArray(e)?e:"string"==typeof e&&e.match(D)||[]}ce.fn.extend({prop:function(e,t){return M(this,ce.prop,e,t,1<arguments.length)},removeProp:function(e){return this.each(function(){delete this[ce.propFix[e]||e]})}}),ce.extend({prop:function(e,t,n){var r,i,o=e.nodeType;if(3!==o&&8!==o&&2!==o)return 1===o&&ce.isXMLDoc(e)||(t=ce.propFix[t]||t,i=ce.propHooks[t]),void 0!==n?i&&"set"in i&&void 0!==(r=i.set(e,n,t))?r:e[t]=n:i&&"get"in i&&null!==(r=i.get(e,t))?r:e[t]},propHooks:{tabIndex:{get:function(e){var t=ce.find.attr(e,"tabindex");return t?parseInt(t,10):bt.test(e.nodeName)||wt.test(e.nodeName)&&e.href?0:-1}}},propFix:{"for":"htmlFor","class":"className"}}),le.optSelected||(ce.propHooks.selected={get:function(e){var t=e.parentNode;return t&&t.parentNode&&t.parentNode.selectedIndex,null},set:function(e){var t=e.parentNode;t&&(t.selectedIndex,t.parentNode&&t.parentNode.selectedIndex)}}),ce.each(["tabIndex","readOnly","maxLength","cellSpacing","cellPadding","rowSpan","colSpan","useMap","frameBorder","contentEditable"],function(){ce.propFix[this.toLowerCase()]=this}),ce.fn.extend({addClass:function(t){var e,n,r,i,o,a;return v(t)?this.each(function(e){ce(this).addClass(t.call(this,e,Ct(this)))}):(e=kt(t)).length?this.each(function(){if(r=Ct(this),n=1===this.nodeType&&" "+Tt(r)+" "){for(o=0;o<e.length;o++)i=e[o],n.indexOf(" "+i+" ")<0&&(n+=i+" ");a=Tt(n),r!==a&&this.setAttribute("class",a)}}):this},removeClass:function(t){var e,n,r,i,o,a;return v(t)?this.each(function(e){ce(this).removeClass(t.call(this,e,Ct(this)))}):arguments.length?(e=kt(t)).length?this.each(function(){if(r=Ct(this),n=1===this.nodeType&&" "+Tt(r)+" "){for(o=0;o<e.length;o++){i=e[o];while(-1<n.indexOf(" "+i+" "))n=n.replace(" "+i+" "," 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n||(e.selectedIndex=-1),o}}}}),ce.each(["radio","checkbox"],function(){ce.valHooks[this]={set:function(e,t){if(Array.isArray(t))return e.checked=-1<ce.inArray(ce(e).val(),t)}},le.checkOn||(ce.valHooks[this].get=function(e){return null===e.getAttribute("value")?"on":e.value})});var Et=ie.location,jt={guid:Date.now()},At=/\?/;ce.parseXML=function(e){var t,n;if(!e||"string"!=typeof e)return null;try{t=(new ie.DOMParser).parseFromString(e,"text/xml")}catch(e){}return n=t&&t.getElementsByTagName("parsererror")[0],t&&!n||ce.error("Invalid XML: "+(n?ce.map(n.childNodes,function(e){return e.textContent}).join("\n"):e)),t};var Dt=/^(?:focusinfocus|focusoutblur)$/,Nt=function(e){e.stopPropagation()};ce.extend(ce.event,{trigger:function(e,t,n,r){var i,o,a,s,u,l,c,f,p=[n||C],d=ue.call(e,"type")?e.type:e,h=ue.call(e,"namespace")?e.namespace.split("."):[];if(o=f=a=n=n||C,3!==n.nodeType&&8!==n.nodeType&&!Dt.test(d+ce.event.triggered)&&(-1<d.indexOf(".")&&(d=(h=d.split(".")).shift(),h.sort()),u=d.indexOf(":")<0&&"on"+d,(e=e[ce.expando]?e:new ce.Event(d,"object"==typeof e&&e)).isTrigger=r?2:3,e.namespace=h.join("."),e.rnamespace=e.namespace?new RegExp("(^|\\.)"+h.join("\\.(?:.*\\.|)")+"(\\.|$)"):null,e.result=void 0,e.target||(e.target=n),t=null==t?[e]:ce.makeArray(t,[e]),c=ce.event.special[d]||{},r||!c.trigger||!1!==c.trigger.apply(n,t))){if(!r&&!c.noBubble&&!y(n)){for(s=c.delegateType||d,Dt.test(s+d)||(o=o.parentNode);o;o=o.parentNode)p.push(o),a=o;a===(n.ownerDocument||C)&&p.push(a.defaultView||a.parentWindow||ie)}i=0;while((o=p[i++])&&!e.isPropagationStopped())f=o,e.type=1<i?s:c.bindType||d,(l=(_.get(o,"events")||Object.create(null))[e.type]&&_.get(o,"handle"))&&l.apply(o,t),(l=u&&o[u])&&l.apply&&$(o)&&(e.result=l.apply(o,t),!1===e.result&&e.preventDefault());return e.type=d,r||e.isDefaultPrevented()||c._default&&!1!==c._default.apply(p.pop(),t)||!$(n)||u&&v(n[d])&&!y(n)&&((a=n[u])&&(n[u]=null),ce.event.triggered=d,e.isPropagationStopped()&&f.addEventListener(d,Nt),n[d](),e.isPropagationStopped()&&f.removeEventListener(d,Nt),ce.event.triggered=void 0,a&&(n[u]=a)),e.result}},simulate:function(e,t,n){var r=ce.extend(new 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diff --git a/static/js/lunr-2.3.9.min.js b/static/js/lunr-2.3.9.min.js
new file mode 100644
index 00000000..cdc94cd3
--- /dev/null
+++ b/static/js/lunr-2.3.9.min.js
@@ -0,0 +1,6 @@
+/**
+ * lunr - http://lunrjs.com - A bit like Solr, but much smaller and not as bright - 2.3.9
+ * Copyright (C) 2020 Oliver Nightingale
+ * @license MIT
+ */
+!function(){var e=function(t){var r=new e.Builder;return r.pipeline.add(e.trimmer,e.stopWordFilter,e.stemmer),r.searchPipeline.add(e.stemmer),t.call(r,r),r.build()};e.version="2.3.9",e.utils={},e.utils.warn=function(e){return function(t){e.console&&console.warn&&console.warn(t)}}(this),e.utils.asString=function(e){return void 0===e||null===e?"":e.toString()},e.utils.clone=function(e){if(null===e||void 0===e)return e;for(var t=Object.create(null),r=Object.keys(e),i=0;i<r.length;i++){var n=r[i],s=e[n];if(Array.isArray(s))t[n]=s.slice();else{if("string"!=typeof s&&"number"!=typeof s&&"boolean"!=typeof s)throw new TypeError("clone is not deep and does not support nested objects");t[n]=s}}return t},e.FieldRef=function(e,t,r){this.docRef=e,this.fieldName=t,this._stringValue=r},e.FieldRef.joiner="/",e.FieldRef.fromString=function(t){var r=t.indexOf(e.FieldRef.joiner);if(r===-1)throw"malformed field ref string";var i=t.slice(0,r),n=t.slice(r+1);return new e.FieldRef(n,i,t)},e.FieldRef.prototype.toString=function(){return void 0==this._stringValue&&(this._stringValue=this.fieldName+e.FieldRef.joiner+this.docRef),this._stringValue},e.Set=function(e){if(this.elements=Object.create(null),e){this.length=e.length;for(var t=0;t<this.length;t++)this.elements[e[t]]=!0}else this.length=0},e.Set.complete={intersect:function(e){return e},union:function(){return this},contains:function(){return!0}},e.Set.empty={intersect:function(){return this},union:function(e){return e},contains:function(){return!1}},e.Set.prototype.contains=function(e){return!!this.elements[e]},e.Set.prototype.intersect=function(t){var r,i,n,s=[];if(t===e.Set.complete)return this;if(t===e.Set.empty)return t;this.length<t.length?(r=this,i=t):(r=t,i=this),n=Object.keys(r.elements);for(var o=0;o<n.length;o++){var a=n[o];a in i.elements&&s.push(a)}return new e.Set(s)},e.Set.prototype.union=function(t){return t===e.Set.complete?e.Set.complete:t===e.Set.empty?this:new e.Set(Object.keys(this.elements).concat(Object.keys(t.elements)))},e.idf=function(e,t){var r=0;for(var i in e)"_index"!=i&&(r+=Object.keys(e[i]).length);var n=(t-r+.5)/(r+.5);return Math.log(1+Math.abs(n))},e.Token=function(e,t){this.str=e||"",this.metadata=t||{}},e.Token.prototype.toString=function(){return this.str},e.Token.prototype.update=function(e){return this.str=e(this.str,this.metadata),this},e.Token.prototype.clone=function(t){return t=t||function(e){return e},new e.Token(t(this.str,this.metadata),this.metadata)},e.tokenizer=function(t,r){if(null==t||void 0==t)return[];if(Array.isArray(t))return t.map(function(t){return new e.Token(e.utils.asString(t).toLowerCase(),e.utils.clone(r))});for(var i=t.toString().toLowerCase(),n=i.length,s=[],o=0,a=0;o<=n;o++){var u=i.charAt(o),l=o-a;if(u.match(e.tokenizer.separator)||o==n){if(l>0){var c=e.utils.clone(r)||{};c.position=[a,l],c.index=s.length,s.push(new e.Token(i.slice(a,o),c))}a=o+1}}return s},e.tokenizer.separator=/[\s\-]+/,e.Pipeline=function(){this._stack=[]},e.Pipeline.registeredFunctions=Object.create(null),e.Pipeline.registerFunction=function(t,r){r in this.registeredFunctions&&e.utils.warn("Overwriting existing registered function: "+r),t.label=r,e.Pipeline.registeredFunctions[t.label]=t},e.Pipeline.warnIfFunctionNotRegistered=function(t){var r=t.label&&t.label in this.registeredFunctions;r||e.utils.warn("Function is not registered with pipeline. This may cause problems when serialising the index.\n",t)},e.Pipeline.load=function(t){var r=new e.Pipeline;return t.forEach(function(t){var i=e.Pipeline.registeredFunctions[t];if(!i)throw new Error("Cannot load unregistered function: "+t);r.add(i)}),r},e.Pipeline.prototype.add=function(){var t=Array.prototype.slice.call(arguments);t.forEach(function(t){e.Pipeline.warnIfFunctionNotRegistered(t),this._stack.push(t)},this)},e.Pipeline.prototype.after=function(t,r){e.Pipeline.warnIfFunctionNotRegistered(r);var i=this._stack.indexOf(t);if(i==-1)throw new Error("Cannot find existingFn");i+=1,this._stack.splice(i,0,r)},e.Pipeline.prototype.before=function(t,r){e.Pipeline.warnIfFunctionNotRegistered(r);var i=this._stack.indexOf(t);if(i==-1)throw new Error("Cannot find existingFn");this._stack.splice(i,0,r)},e.Pipeline.prototype.remove=function(e){var t=this._stack.indexOf(e);t!=-1&&this._stack.splice(t,1)},e.Pipeline.prototype.run=function(e){for(var t=this._stack.length,r=0;r<t;r++){for(var i=this._stack[r],n=[],s=0;s<e.length;s++){var o=i(e[s],s,e);if(null!==o&&void 0!==o&&""!==o)if(Array.isArray(o))for(var a=0;a<o.length;a++)n.push(o[a]);else n.push(o)}e=n}return e},e.Pipeline.prototype.runString=function(t,r){var i=new e.Token(t,r);return this.run([i]).map(function(e){return e.toString()})},e.Pipeline.prototype.reset=function(){this._stack=[]},e.Pipeline.prototype.toJSON=function(){return this._stack.map(function(t){return e.Pipeline.warnIfFunctionNotRegistered(t),t.label})},e.Vector=function(e){this._magnitude=0,this.elements=e||[]},e.Vector.prototype.positionForIndex=function(e){if(0==this.elements.length)return 0;for(var t=0,r=this.elements.length/2,i=r-t,n=Math.floor(i/2),s=this.elements[2*n];i>1&&(s<e&&(t=n),s>e&&(r=n),s!=e);)i=r-t,n=t+Math.floor(i/2),s=this.elements[2*n];return s==e?2*n:s>e?2*n:s<e?2*(n+1):void 0},e.Vector.prototype.insert=function(e,t){this.upsert(e,t,function(){throw"duplicate index"})},e.Vector.prototype.upsert=function(e,t,r){this._magnitude=0;var i=this.positionForIndex(e);this.elements[i]==e?this.elements[i+1]=r(this.elements[i+1],t):this.elements.splice(i,0,e,t)},e.Vector.prototype.magnitude=function(){if(this._magnitude)return this._magnitude;for(var e=0,t=this.elements.length,r=1;r<t;r+=2){var i=this.elements[r];e+=i*i}return this._magnitude=Math.sqrt(e)},e.Vector.prototype.dot=function(e){for(var t=0,r=this.elements,i=e.elements,n=r.length,s=i.length,o=0,a=0,u=0,l=0;u<n&&l<s;)o=r[u],a=i[l],o<a?u+=2:o>a?l+=2:o==a&&(t+=r[u+1]*i[l+1],u+=2,l+=2);return t},e.Vector.prototype.similarity=function(e){return this.dot(e)/this.magnitude()||0},e.Vector.prototype.toArray=function(){for(var e=new Array(this.elements.length/2),t=1,r=0;t<this.elements.length;t+=2,r++)e[r]=this.elements[t];return e},e.Vector.prototype.toJSON=function(){return this.elements},e.stemmer=function(){var e={ational:"ate",tional:"tion",enci:"ence",anci:"ance",izer:"ize",bli:"ble",alli:"al",entli:"ent",eli:"e",ousli:"ous",ization:"ize",ation:"ate",ator:"ate",alism:"al",iveness:"ive",fulness:"ful",ousness:"ous",aliti:"al",iviti:"ive",biliti:"ble",logi:"log"},t={icate:"ic",ative:"",alize:"al",iciti:"ic",ical:"ic",ful:"",ness:""},r="[^aeiou]",i="[aeiouy]",n=r+"[^aeiouy]*",s=i+"[aeiou]*",o="^("+n+")?"+s+n,a="^("+n+")?"+s+n+"("+s+")?$",u="^("+n+")?"+s+n+s+n,l="^("+n+")?"+i,c=new RegExp(o),h=new RegExp(u),d=new RegExp(a),f=new RegExp(l),p=/^(.+?)(ss|i)es$/,y=/^(.+?)([^s])s$/,m=/^(.+?)eed$/,v=/^(.+?)(ed|ing)$/,g=/.$/,x=/(at|bl|iz)$/,w=new RegExp("([^aeiouylsz])\\1$"),Q=new RegExp("^"+n+i+"[^aeiouwxy]$"),k=/^(.+?[^aeiou])y$/,S=/^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/,E=/^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/,L=/^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/,b=/^(.+?)(s|t)(ion)$/,P=/^(.+?)e$/,T=/ll$/,O=new RegExp("^"+n+i+"[^aeiouwxy]$"),I=function(r){var i,n,s,o,a,u,l;if(r.length<3)return r;if(s=r.substr(0,1),"y"==s&&(r=s.toUpperCase()+r.substr(1)),o=p,a=y,o.test(r)?r=r.replace(o,"$1$2"):a.test(r)&&(r=r.replace(a,"$1$2")),o=m,a=v,o.test(r)){var I=o.exec(r);o=c,o.test(I[1])&&(o=g,r=r.replace(o,""))}else if(a.test(r)){var I=a.exec(r);i=I[1],a=f,a.test(i)&&(r=i,a=x,u=w,l=Q,a.test(r)?r+="e":u.test(r)?(o=g,r=r.replace(o,"")):l.test(r)&&(r+="e"))}if(o=k,o.test(r)){var I=o.exec(r);i=I[1],r=i+"i"}if(o=S,o.test(r)){var I=o.exec(r);i=I[1],n=I[2],o=c,o.test(i)&&(r=i+e[n])}if(o=E,o.test(r)){var I=o.exec(r);i=I[1],n=I[2],o=c,o.test(i)&&(r=i+t[n])}if(o=L,a=b,o.test(r)){var I=o.exec(r);i=I[1],o=h,o.test(i)&&(r=i)}else if(a.test(r)){var I=a.exec(r);i=I[1]+I[2],a=h,a.test(i)&&(r=i)}if(o=P,o.test(r)){var I=o.exec(r);i=I[1],o=h,a=d,u=O,(o.test(i)||a.test(i)&&!u.test(i))&&(r=i)}return o=T,a=h,o.test(r)&&a.test(r)&&(o=g,r=r.replace(o,"")),"y"==s&&(r=s.toLowerCase()+r.substr(1)),r};return function(e){return e.update(I)}}(),e.Pipeline.registerFunction(e.stemmer,"stemmer"),e.generateStopWordFilter=function(e){var t=e.reduce(function(e,t){return e[t]=t,e},{});return function(e){if(e&&t[e.toString()]!==e.toString())return e}},e.stopWordFilter=e.generateStopWordFilter(["a","able","about","across","after","all","almost","also","am","among","an","and","any","are","as","at","be","because","been","but","by","can","cannot","could","dear","did","do","does","either","else","ever","every","for","from","get","got","had","has","have","he","her","hers","him","his","how","however","i","if","in","into","is","it","its","just","least","let","like","likely","may","me","might","most","must","my","neither","no","nor","not","of","off","often","on","only","or","other","our","own","rather","said","say","says","she","should","since","so","some","than","that","the","their","them","then","there","these","they","this","tis","to","too","twas","us","wants","was","we","were","what","when","where","which","while","who","whom","why","will","with","would","yet","you","your"]),e.Pipeline.registerFunction(e.stopWordFilter,"stopWordFilter"),e.trimmer=function(e){return e.update(function(e){return e.replace(/^\W+/,"").replace(/\W+$/,"")})},e.Pipeline.registerFunction(e.trimmer,"trimmer"),e.TokenSet=function(){this["final"]=!1,this.edges={},this.id=e.TokenSet._nextId,e.TokenSet._nextId+=1},e.TokenSet._nextId=1,e.TokenSet.fromArray=function(t){for(var r=new e.TokenSet.Builder,i=0,n=t.length;i<n;i++)r.insert(t[i]);return r.finish(),r.root},e.TokenSet.fromClause=function(t){return"editDistance"in t?e.TokenSet.fromFuzzyString(t.term,t.editDistance):e.TokenSet.fromString(t.term)},e.TokenSet.fromFuzzyString=function(t,r){for(var i=new e.TokenSet,n=[{node:i,editsRemaining:r,str:t}];n.length;){var s=n.pop();if(s.str.length>0){var o,a=s.str.charAt(0);a in s.node.edges?o=s.node.edges[a]:(o=new e.TokenSet,s.node.edges[a]=o),1==s.str.length&&(o["final"]=!0),n.push({node:o,editsRemaining:s.editsRemaining,str:s.str.slice(1)})}if(0!=s.editsRemaining){if("*"in s.node.edges)var u=s.node.edges["*"];else{var u=new e.TokenSet;s.node.edges["*"]=u}if(0==s.str.length&&(u["final"]=!0),n.push({node:u,editsRemaining:s.editsRemaining-1,str:s.str}),s.str.length>1&&n.push({node:s.node,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)}),1==s.str.length&&(s.node["final"]=!0),s.str.length>=1){if("*"in s.node.edges)var l=s.node.edges["*"];else{var l=new e.TokenSet;s.node.edges["*"]=l}1==s.str.length&&(l["final"]=!0),n.push({node:l,editsRemaining:s.editsRemaining-1,str:s.str.slice(1)})}if(s.str.length>1){var c,h=s.str.charAt(0),d=s.str.charAt(1);d in s.node.edges?c=s.node.edges[d]:(c=new e.TokenSet,s.node.edges[d]=c),1==s.str.length&&(c["final"]=!0),n.push({node:c,editsRemaining:s.editsRemaining-1,str:h+s.str.slice(2)})}}}return i},e.TokenSet.fromString=function(t){for(var r=new e.TokenSet,i=r,n=0,s=t.length;n<s;n++){var o=t[n],a=n==s-1;if("*"==o)r.edges[o]=r,r["final"]=a;else{var u=new e.TokenSet;u["final"]=a,r.edges[o]=u,r=u}}return i},e.TokenSet.prototype.toArray=function(){for(var e=[],t=[{prefix:"",node:this}];t.length;){var r=t.pop(),i=Object.keys(r.node.edges),n=i.length;r.node["final"]&&(r.prefix.charAt(0),e.push(r.prefix));for(var s=0;s<n;s++){var o=i[s];t.push({prefix:r.prefix.concat(o),node:r.node.edges[o]})}}return e},e.TokenSet.prototype.toString=function(){if(this._str)return this._str;for(var e=this["final"]?"1":"0",t=Object.keys(this.edges).sort(),r=t.length,i=0;i<r;i++){var n=t[i],s=this.edges[n];e=e+n+s.id}return e},e.TokenSet.prototype.intersect=function(t){for(var r=new e.TokenSet,i=void 0,n=[{qNode:t,output:r,node:this}];n.length;){i=n.pop();for(var s=Object.keys(i.qNode.edges),o=s.length,a=Object.keys(i.node.edges),u=a.length,l=0;l<o;l++)for(var c=s[l],h=0;h<u;h++){var d=a[h];if(d==c||"*"==c){var f=i.node.edges[d],p=i.qNode.edges[c],y=f["final"]&&p["final"],m=void 0;d in i.output.edges?(m=i.output.edges[d],m["final"]=m["final"]||y):(m=new e.TokenSet,m["final"]=y,i.output.edges[d]=m),n.push({qNode:p,output:m,node:f})}}}return r},e.TokenSet.Builder=function(){this.previousWord="",this.root=new e.TokenSet,this.uncheckedNodes=[],this.minimizedNodes={}},e.TokenSet.Builder.prototype.insert=function(t){var r,i=0;if(t<this.previousWord)throw new Error("Out of order word insertion");for(var n=0;n<t.length&&n<this.previousWord.length&&t[n]==this.previousWord[n];n++)i++;this.minimize(i),r=0==this.uncheckedNodes.length?this.root:this.uncheckedNodes[this.uncheckedNodes.length-1].child;for(var n=i;n<t.length;n++){var s=new e.TokenSet,o=t[n];r.edges[o]=s,this.uncheckedNodes.push({parent:r,"char":o,child:s}),r=s}r["final"]=!0,this.previousWord=t},e.TokenSet.Builder.prototype.finish=function(){this.minimize(0)},e.TokenSet.Builder.prototype.minimize=function(e){for(var t=this.uncheckedNodes.length-1;t>=e;t--){var r=this.uncheckedNodes[t],i=r.child.toString();i in this.minimizedNodes?r.parent.edges[r["char"]]=this.minimizedNodes[i]:(r.child._str=i,this.minimizedNodes[i]=r.child),this.uncheckedNodes.pop()}},e.Index=function(e){this.invertedIndex=e.invertedIndex,this.fieldVectors=e.fieldVectors,this.tokenSet=e.tokenSet,this.fields=e.fields,this.pipeline=e.pipeline},e.Index.prototype.search=function(t){return this.query(function(r){var i=new e.QueryParser(t,r);i.parse()})},e.Index.prototype.query=function(t){for(var r=new e.Query(this.fields),i=Object.create(null),n=Object.create(null),s=Object.create(null),o=Object.create(null),a=Object.create(null),u=0;u<this.fields.length;u++)n[this.fields[u]]=new e.Vector;t.call(r,r);for(var u=0;u<r.clauses.length;u++){var l=r.clauses[u],c=null,h=e.Set.empty;c=l.usePipeline?this.pipeline.runString(l.term,{fields:l.fields}):[l.term];for(var d=0;d<c.length;d++){var f=c[d];l.term=f;var p=e.TokenSet.fromClause(l),y=this.tokenSet.intersect(p).toArray();if(0===y.length&&l.presence===e.Query.presence.REQUIRED){for(var m=0;m<l.fields.length;m++){var v=l.fields[m];o[v]=e.Set.empty}break}for(var g=0;g<y.length;g++)for(var x=y[g],w=this.invertedIndex[x],Q=w._index,m=0;m<l.fields.length;m++){var v=l.fields[m],k=w[v],S=Object.keys(k),E=x+"/"+v,L=new e.Set(S);if(l.presence==e.Query.presence.REQUIRED&&(h=h.union(L),void 0===o[v]&&(o[v]=e.Set.complete)),l.presence!=e.Query.presence.PROHIBITED){if(n[v].upsert(Q,l.boost,function(e,t){return e+t}),!s[E]){for(var b=0;b<S.length;b++){var P,T=S[b],O=new e.FieldRef(T,v),I=k[T];void 0===(P=i[O])?i[O]=new e.MatchData(x,v,I):P.add(x,v,I)}s[E]=!0}}else void 0===a[v]&&(a[v]=e.Set.empty),a[v]=a[v].union(L)}}if(l.presence===e.Query.presence.REQUIRED)for(var m=0;m<l.fields.length;m++){var v=l.fields[m];o[v]=o[v].intersect(h)}}for(var R=e.Set.complete,F=e.Set.empty,u=0;u<this.fields.length;u++){var v=this.fields[u];o[v]&&(R=R.intersect(o[v])),a[v]&&(F=F.union(a[v]))}var C=Object.keys(i),N=[],_=Object.create(null);if(r.isNegated()){C=Object.keys(this.fieldVectors);for(var u=0;u<C.length;u++){var O=C[u],j=e.FieldRef.fromString(O);i[O]=new e.MatchData}}for(var u=0;u<C.length;u++){var j=e.FieldRef.fromString(C[u]),D=j.docRef;if(R.contains(D)&&!F.contains(D)){var A,B=this.fieldVectors[j],V=n[j.fieldName].similarity(B);if(void 0!==(A=_[D]))A.score+=V,A.matchData.combine(i[j]);else{var z={ref:D,score:V,matchData:i[j]};_[D]=z,N.push(z)}}}return N.sort(function(e,t){return t.score-e.score})},e.Index.prototype.toJSON=function(){var t=Object.keys(this.invertedIndex).sort().map(function(e){return[e,this.invertedIndex[e]]},this),r=Object.keys(this.fieldVectors).map(function(e){return[e,this.fieldVectors[e].toJSON()]},this);return{version:e.version,fields:this.fields,fieldVectors:r,invertedIndex:t,pipeline:this.pipeline.toJSON()}},e.Index.load=function(t){var r={},i={},n=t.fieldVectors,s=Object.create(null),o=t.invertedIndex,a=new e.TokenSet.Builder,u=e.Pipeline.load(t.pipeline);t.version!=e.version&&e.utils.warn("Version mismatch when loading serialised index. Current version of lunr '"+e.version+"' does not match serialized index '"+t.version+"'");for(var l=0;l<n.length;l++){var c=n[l],h=c[0],d=c[1];i[h]=new e.Vector(d)}for(var l=0;l<o.length;l++){var c=o[l],f=c[0],p=c[1];a.insert(f),s[f]=p}return a.finish(),r.fields=t.fields,r.fieldVectors=i,r.invertedIndex=s,r.tokenSet=a.root,r.pipeline=u,new e.Index(r)},e.Builder=function(){this._ref="id",this._fields=Object.create(null),this._documents=Object.create(null),this.invertedIndex=Object.create(null),this.fieldTermFrequencies={},this.fieldLengths={},this.tokenizer=e.tokenizer,this.pipeline=new e.Pipeline,this.searchPipeline=new e.Pipeline,this.documentCount=0,this._b=.75,this._k1=1.2,this.termIndex=0,this.metadataWhitelist=[]},e.Builder.prototype.ref=function(e){this._ref=e},e.Builder.prototype.field=function(e,t){if(/\//.test(e))throw new RangeError("Field '"+e+"' contains illegal character '/'");this._fields[e]=t||{}},e.Builder.prototype.b=function(e){e<0?this._b=0:e>1?this._b=1:this._b=e},e.Builder.prototype.k1=function(e){this._k1=e},e.Builder.prototype.add=function(t,r){var i=t[this._ref],n=Object.keys(this._fields);this._documents[i]=r||{},this.documentCount+=1;for(var s=0;s<n.length;s++){var o=n[s],a=this._fields[o].extractor,u=a?a(t):t[o],l=this.tokenizer(u,{fields:[o]}),c=this.pipeline.run(l),h=new e.FieldRef(i,o),d=Object.create(null);this.fieldTermFrequencies[h]=d,this.fieldLengths[h]=0,this.fieldLengths[h]+=c.length;for(var f=0;f<c.length;f++){var p=c[f];if(void 0==d[p]&&(d[p]=0),d[p]+=1,void 0==this.invertedIndex[p]){var y=Object.create(null);y._index=this.termIndex,this.termIndex+=1;for(var m=0;m<n.length;m++)y[n[m]]=Object.create(null);this.invertedIndex[p]=y}void 0==this.invertedIndex[p][o][i]&&(this.invertedIndex[p][o][i]=Object.create(null));for(var v=0;v<this.metadataWhitelist.length;v++){var g=this.metadataWhitelist[v],x=p.metadata[g];void 0==this.invertedIndex[p][o][i][g]&&(this.invertedIndex[p][o][i][g]=[]),this.invertedIndex[p][o][i][g].push(x)}}}},e.Builder.prototype.calculateAverageFieldLengths=function(){for(var t=Object.keys(this.fieldLengths),r=t.length,i={},n={},s=0;s<r;s++){var o=e.FieldRef.fromString(t[s]),a=o.fieldName;n[a]||(n[a]=0),n[a]+=1,i[a]||(i[a]=0),i[a]+=this.fieldLengths[o]}for(var u=Object.keys(this._fields),s=0;s<u.length;s++){var l=u[s];i[l]=i[l]/n[l]}this.averageFieldLength=i},e.Builder.prototype.createFieldVectors=function(){for(var t={},r=Object.keys(this.fieldTermFrequencies),i=r.length,n=Object.create(null),s=0;s<i;s++){for(var o=e.FieldRef.fromString(r[s]),a=o.fieldName,u=this.fieldLengths[o],l=new e.Vector,c=this.fieldTermFrequencies[o],h=Object.keys(c),d=h.length,f=this._fields[a].boost||1,p=this._documents[o.docRef].boost||1,y=0;y<d;y++){var m,v,g,x=h[y],w=c[x],Q=this.invertedIndex[x]._index;void 0===n[x]?(m=e.idf(this.invertedIndex[x],this.documentCount),n[x]=m):m=n[x],v=m*((this._k1+1)*w)/(this._k1*(1-this._b+this._b*(u/this.averageFieldLength[a]))+w),v*=f,v*=p,g=Math.round(1e3*v)/1e3,l.insert(Q,g)}t[o]=l}this.fieldVectors=t},e.Builder.prototype.createTokenSet=function(){this.tokenSet=e.TokenSet.fromArray(Object.keys(this.invertedIndex).sort())},e.Builder.prototype.build=function(){return this.calculateAverageFieldLengths(),this.createFieldVectors(),this.createTokenSet(),new e.Index({invertedIndex:this.invertedIndex,fieldVectors:this.fieldVectors,tokenSet:this.tokenSet,fields:Object.keys(this._fields),pipeline:this.searchPipeline})},e.Builder.prototype.use=function(e){var t=Array.prototype.slice.call(arguments,1);t.unshift(this),e.apply(this,t)},e.MatchData=function(e,t,r){for(var i=Object.create(null),n=Object.keys(r||{}),s=0;s<n.length;s++){var o=n[s];i[o]=r[o].slice()}this.metadata=Object.create(null),void 0!==e&&(this.metadata[e]=Object.create(null),this.metadata[e][t]=i)},e.MatchData.prototype.combine=function(e){for(var t=Object.keys(e.metadata),r=0;r<t.length;r++){var i=t[r],n=Object.keys(e.metadata[i]);void 0==this.metadata[i]&&(this.metadata[i]=Object.create(null));for(var s=0;s<n.length;s++){var o=n[s],a=Object.keys(e.metadata[i][o]);void 0==this.metadata[i][o]&&(this.metadata[i][o]=Object.create(null));for(var u=0;u<a.length;u++){var l=a[u];void 0==this.metadata[i][o][l]?this.metadata[i][o][l]=e.metadata[i][o][l]:this.metadata[i][o][l]=this.metadata[i][o][l].concat(e.metadata[i][o][l])}}}},e.MatchData.prototype.add=function(e,t,r){if(!(e in this.metadata))return this.metadata[e]=Object.create(null),void(this.metadata[e][t]=r);if(!(t in this.metadata[e]))return void(this.metadata[e][t]=r);for(var i=Object.keys(r),n=0;n<i.length;n++){var s=i[n];s in this.metadata[e][t]?this.metadata[e][t][s]=this.metadata[e][t][s].concat(r[s]):this.metadata[e][t][s]=r[s]}},e.Query=function(e){this.clauses=[],this.allFields=e},e.Query.wildcard=new String("*"),e.Query.wildcard.NONE=0,e.Query.wildcard.LEADING=1,e.Query.wildcard.TRAILING=2,e.Query.presence={OPTIONAL:1,REQUIRED:2,PROHIBITED:3},e.Query.prototype.clause=function(t){return"fields"in t||(t.fields=this.allFields),"boost"in t||(t.boost=1),"usePipeline"in t||(t.usePipeline=!0),"wildcard"in t||(t.wildcard=e.Query.wildcard.NONE),t.wildcard&e.Query.wildcard.LEADING&&t.term.charAt(0)!=e.Query.wildcard&&(t.term="*"+t.term),t.wildcard&e.Query.wildcard.TRAILING&&t.term.slice(-1)!=e.Query.wildcard&&(t.term=""+t.term+"*"),"presence"in t||(t.presence=e.Query.presence.OPTIONAL),this.clauses.push(t),this},e.Query.prototype.isNegated=function(){for(var t=0;t<this.clauses.length;t++)if(this.clauses[t].presence!=e.Query.presence.PROHIBITED)return!1;return!0},e.Query.prototype.term=function(t,r){if(Array.isArray(t))return t.forEach(function(t){this.term(t,e.utils.clone(r))},this),this;var i=r||{};return i.term=t.toString(),this.clause(i),this},e.QueryParseError=function(e,t,r){this.name="QueryParseError",this.message=e,this.start=t,this.end=r},e.QueryParseError.prototype=new Error,e.QueryLexer=function(e){this.lexemes=[],this.str=e,this.length=e.length,this.pos=0,this.start=0,this.escapeCharPositions=[]},e.QueryLexer.prototype.run=function(){for(var t=e.QueryLexer.lexText;t;)t=t(this)},e.QueryLexer.prototype.sliceString=function(){for(var e=[],t=this.start,r=this.pos,i=0;i<this.escapeCharPositions.length;i++)r=this.escapeCharPositions[i],e.push(this.str.slice(t,r)),t=r+1;return e.push(this.str.slice(t,this.pos)),this.escapeCharPositions.length=0,e.join("")},e.QueryLexer.prototype.emit=function(e){this.lexemes.push({type:e,str:this.sliceString(),start:this.start,end:this.pos}),this.start=this.pos},e.QueryLexer.prototype.escapeCharacter=function(){this.escapeCharPositions.push(this.pos-1),this.pos+=1},e.QueryLexer.prototype.next=function(){if(this.pos>=this.length)return e.QueryLexer.EOS;var t=this.str.charAt(this.pos);return this.pos+=1,t},e.QueryLexer.prototype.width=function(){return this.pos-this.start},e.QueryLexer.prototype.ignore=function(){this.start==this.pos&&(this.pos+=1),this.start=this.pos},e.QueryLexer.prototype.backup=function(){this.pos-=1},e.QueryLexer.prototype.acceptDigitRun=function(){var t,r;do t=this.next(),r=t.charCodeAt(0);while(r>47&&r<58);t!=e.QueryLexer.EOS&&this.backup()},e.QueryLexer.prototype.more=function(){return this.pos<this.length},e.QueryLexer.EOS="EOS",e.QueryLexer.FIELD="FIELD",e.QueryLexer.TERM="TERM",e.QueryLexer.EDIT_DISTANCE="EDIT_DISTANCE",e.QueryLexer.BOOST="BOOST",e.QueryLexer.PRESENCE="PRESENCE",e.QueryLexer.lexField=function(t){return t.backup(),t.emit(e.QueryLexer.FIELD),t.ignore(),e.QueryLexer.lexText},e.QueryLexer.lexTerm=function(t){if(t.width()>1&&(t.backup(),t.emit(e.QueryLexer.TERM)),t.ignore(),t.more())return e.QueryLexer.lexText},e.QueryLexer.lexEditDistance=function(t){return t.ignore(),t.acceptDigitRun(),t.emit(e.QueryLexer.EDIT_DISTANCE),e.QueryLexer.lexText},e.QueryLexer.lexBoost=function(t){return t.ignore(),t.acceptDigitRun(),t.emit(e.QueryLexer.BOOST),e.QueryLexer.lexText},e.QueryLexer.lexEOS=function(t){t.width()>0&&t.emit(e.QueryLexer.TERM)},e.QueryLexer.termSeparator=e.tokenizer.separator,e.QueryLexer.lexText=function(t){for(;;){var r=t.next();if(r==e.QueryLexer.EOS)return e.QueryLexer.lexEOS;if(92!=r.charCodeAt(0)){if(":"==r)return e.QueryLexer.lexField;if("~"==r)return t.backup(),t.width()>0&&t.emit(e.QueryLexer.TERM),e.QueryLexer.lexEditDistance;if("^"==r)return t.backup(),t.width()>0&&t.emit(e.QueryLexer.TERM),e.QueryLexer.lexBoost;if("+"==r&&1===t.width())return t.emit(e.QueryLexer.PRESENCE),e.QueryLexer.lexText;if("-"==r&&1===t.width())return t.emit(e.QueryLexer.PRESENCE),e.QueryLexer.lexText;if(r.match(e.QueryLexer.termSeparator))return e.QueryLexer.lexTerm}else t.escapeCharacter()}},e.QueryParser=function(t,r){this.lexer=new e.QueryLexer(t),this.query=r,this.currentClause={},this.lexemeIdx=0},e.QueryParser.prototype.parse=function(){this.lexer.run(),this.lexemes=this.lexer.lexemes;for(var t=e.QueryParser.parseClause;t;)t=t(this);return this.query},e.QueryParser.prototype.peekLexeme=function(){return this.lexemes[this.lexemeIdx]},e.QueryParser.prototype.consumeLexeme=function(){var e=this.peekLexeme();return this.lexemeIdx+=1,e},e.QueryParser.prototype.nextClause=function(){var e=this.currentClause;this.query.clause(e),this.currentClause={}},e.QueryParser.parseClause=function(t){var r=t.peekLexeme();if(void 0!=r)switch(r.type){case e.QueryLexer.PRESENCE:return e.QueryParser.parsePresence;case e.QueryLexer.FIELD:return e.QueryParser.parseField;case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:var i="expected either a field or a term, found "+r.type;throw r.str.length>=1&&(i+=" with value '"+r.str+"'"),new e.QueryParseError(i,r.start,r.end)}},e.QueryParser.parsePresence=function(t){var r=t.consumeLexeme();if(void 0!=r){switch(r.str){case"-":t.currentClause.presence=e.Query.presence.PROHIBITED;break;case"+":t.currentClause.presence=e.Query.presence.REQUIRED;break;default:var i="unrecognised presence operator'"+r.str+"'";throw new e.QueryParseError(i,r.start,r.end)}var n=t.peekLexeme();if(void 0==n){var i="expecting term or field, found nothing";throw new e.QueryParseError(i,r.start,r.end)}switch(n.type){case e.QueryLexer.FIELD:return e.QueryParser.parseField;case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:var i="expecting term or field, found '"+n.type+"'";throw new e.QueryParseError(i,n.start,n.end)}}},e.QueryParser.parseField=function(t){var r=t.consumeLexeme();if(void 0!=r){if(t.query.allFields.indexOf(r.str)==-1){var i=t.query.allFields.map(function(e){return"'"+e+"'"}).join(", "),n="unrecognised field '"+r.str+"', possible fields: "+i;throw new e.QueryParseError(n,r.start,r.end)}t.currentClause.fields=[r.str];var s=t.peekLexeme();if(void 0==s){var n="expecting term, found nothing";throw new e.QueryParseError(n,r.start,r.end)}switch(s.type){case e.QueryLexer.TERM:return e.QueryParser.parseTerm;default:var n="expecting term, found '"+s.type+"'";throw new e.QueryParseError(n,s.start,s.end)}}},e.QueryParser.parseTerm=function(t){var r=t.consumeLexeme();if(void 0!=r){t.currentClause.term=r.str.toLowerCase(),r.str.indexOf("*")!=-1&&(t.currentClause.usePipeline=!1);var i=t.peekLexeme();if(void 0==i)return void t.nextClause();switch(i.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;case e.QueryLexer.PRESENCE:return t.nextClause(),e.QueryParser.parsePresence;default:var n="Unexpected lexeme type '"+i.type+"'";throw new e.QueryParseError(n,i.start,i.end)}}},e.QueryParser.parseEditDistance=function(t){var r=t.consumeLexeme();if(void 0!=r){var i=parseInt(r.str,10);if(isNaN(i)){var n="edit distance must be numeric";throw new e.QueryParseError(n,r.start,r.end)}t.currentClause.editDistance=i;var s=t.peekLexeme();if(void 0==s)return void t.nextClause();switch(s.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;case e.QueryLexer.PRESENCE:return t.nextClause(),e.QueryParser.parsePresence;default:var n="Unexpected lexeme type '"+s.type+"'";throw new e.QueryParseError(n,s.start,s.end)}}},e.QueryParser.parseBoost=function(t){var r=t.consumeLexeme();if(void 0!=r){var i=parseInt(r.str,10);if(isNaN(i)){var n="boost must be numeric";throw new e.QueryParseError(n,r.start,r.end)}t.currentClause.boost=i;var s=t.peekLexeme();if(void 0==s)return void t.nextClause();switch(s.type){case e.QueryLexer.TERM:return t.nextClause(),e.QueryParser.parseTerm;case e.QueryLexer.FIELD:return t.nextClause(),e.QueryParser.parseField;case e.QueryLexer.EDIT_DISTANCE:return e.QueryParser.parseEditDistance;case e.QueryLexer.BOOST:return e.QueryParser.parseBoost;case e.QueryLexer.PRESENCE:return t.nextClause(),e.QueryParser.parsePresence;default:var n="Unexpected lexeme type '"+s.type+"'";throw new e.QueryParseError(n,s.start,s.end)}}},function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():e.lunr=t()}(this,function(){return e})}();