Small tweaks and fixes

bindings/zig/examples/zig_api.zig

@@ -1,18 +1,48 @@
 const std = @import("std");
 const lm = @import("libremidi");
 
-
 const EnumeratedPorts = extern struct {
     in_ports: [256]?*lm.midi.In.Port = @splat(null),
     out_ports: [256]?*lm.midi.Out.Port = @splat(null),
     in_port_count: usize = 0,
     out_port_count: usize = 0,
 };
 
-pub fn main() !void {
+pub fn print_identifier(name: []const u8, ident: lm.PortInformation.Identifier) void {
+    std.debug.print("  {s}: ", .{name});
+    const tagged = ident.asTagged();
+    switch (tagged) {
+        .none => std.debug.print("none\n", .{}),
+        .uuid => |uuid| {
+            std.debug.print("uuid: ", .{});
+            for (uuid, 0..) |b, i| {
+                std.debug.print("{}", .{b});
+                if (i != uuid.len - 1) std.debug.print("-", .{});
+            }
+            std.debug.print("\n", .{});
+        },
+        .string => |s| std.debug.print("{s}\n", .{s}),
+        .uint64 => |v| std.debug.print("{d}\n", .{v}),
+    }
+}
 
+pub fn print_port_info(info: lm.PortInformation) void {
+    print_identifier("container_identification", info.container_identifier);
+    print_identifier("device_identification", info.device_identifier);
+
+    std.debug.print("  client_handle: {d}\n", .{info.client_handle});
+    std.debug.print("  port_handle:   {d}\n", .{info.port_handle});
+    std.debug.print("  manufacturer:  {s}\n", .{info.manufacturer});
+    std.debug.print("  device_name:   {s}\n", .{info.device_name});
+    std.debug.print("  port_name:     {s}\n", .{info.port_name});
+    std.debug.print("  display_name:  {s}\n", .{info.display_name});
+
+    std.debug.print("  port type: {}\n", .{info.type});
+}
+
+pub fn main() !void {
     std.debug.print("Hello from libremidi Zig(ified) API example!\n", .{});
-    std.debug.print("libremidi version: {s}\n\n", .{ lm.getVersion() });
+    std.debug.print("libremidi version: {s}\n\n", .{lm.getVersion()});
 
     var e: EnumeratedPorts = .{};
 
@@ -44,7 +74,7 @@ pub fn main() !void {
         .conf_type = .input,
         .api = .alsa_seq,
     });
-    defer midi_in.free();
+    defer midi_in.deinit();
 
     const midi_out: *lm.midi.Out = try .init(&.{
         .version = .midi1,
@@ -54,32 +84,36 @@ pub fn main() !void {
         .conf_type = .output,
         .api = .alsa_seq,
     });
-    defer midi_out.free();
-
+    defer midi_out.deinit();
 
     for (0..99) |_| std.time.sleep(1e9); // sleep 1s, 100 times
 }
 
 fn free_observer(observer: *lm.Observer, e: *EnumeratedPorts) void {
+    for (e.in_ports) |maybe_port| if (maybe_port) |port| port.deinit();
+    for (e.out_ports) |maybe_port| if (maybe_port) |port| port.deinit();
 
-    for (e.in_ports) |maybe_port| if (maybe_port) |port| port.free();
-    for (e.out_ports) |maybe_port| if (maybe_port) |port| port.free();
-
-    observer.free();
+    observer.deinit();
 }
 
 export fn on_input_port_found(ctx: ?*anyopaque, port: *lm.midi.In.Port) callconv(.C) void {
-
-    std.debug.print("input: {s}\n", .{ port.getName() catch "" });
+    std.debug.print("input: {s}\n", .{port.getName() catch ""});
+    const info_maybe = port.getInformation() catch null;
+    if (info_maybe) |info| {
+        print_port_info(info);
+    }
 
     var e: *EnumeratedPorts = @ptrCast(@alignCast(ctx));
     e.in_ports[e.in_port_count] = port.clone() catch null;
     e.in_port_count += 1;
 }
 
 export fn on_output_port_found(ctx: ?*anyopaque, port: *lm.midi.Out.Port) callconv(.C) void {
-
-    std.debug.print("output: {s}\n", .{ port.getName() catch "" });
+    std.debug.print("output: {s}\n", .{port.getName() catch ""});
+    const info_maybe = port.getInformation() catch null;
+    if (info_maybe) |info| {
+        print_port_info(info);
+    }
 
     var e: *EnumeratedPorts = @ptrCast(@alignCast(ctx));
     e.out_ports[e.out_port_count] = port.clone() catch null;