Mac open folder implementation

Author: ds5678

AssetRipper.NativeDialogs.Example/Program.cs

@@ -32,7 +32,7 @@ static async Task Main(string[] args)
 		}
 		else if (arguments.OpenFolder)
 		{
-			string? folder = null;
+			string? folder = await OpenFolderDialog.OpenFolderAsync();
 			Print(folder);
 		}
 		else if (arguments.SaveFile)

AssetRipper.NativeDialogs/OpenFolderDialog.cs

@@ -0,0 +1,50 @@
+using System.Runtime.Versioning;
+
+namespace AssetRipper.NativeDialogs;
+
+public static class OpenFolderDialog
+{
+	public static bool Supported =>
+		OperatingSystem.IsWindows() ||
+		OperatingSystem.IsMacOS() ||
+		(OperatingSystem.IsLinux() && Gtk.Global.IsSupported);
+
+	public static Task<string?> OpenFolderAsync(OpenFileDialogOptions? options = null)
+	{
+		options ??= OpenFileDialogOptions.Default;
+		if (OperatingSystem.IsWindows())
+		{
+			return OpenFolderAsyncWindows(options);
+		}
+		else if (OperatingSystem.IsMacOS())
+		{
+			return OpenFolderAsyncMacOS(options);
+		}
+		else if (OperatingSystem.IsLinux())
+		{
+			return OpenFolderAsyncLinux(options);
+		}
+		else
+		{
+			return Task.FromResult<string?>(null);
+		}
+	}
+
+	[SupportedOSPlatform("windows")]
+	private unsafe static Task<string?> OpenFolderAsyncWindows(OpenFileDialogOptions options)
+	{
+		return Task.FromResult<string?>(null);
+	}
+
+	[SupportedOSPlatform("macos")]
+	private static Task<string?> OpenFolderAsyncMacOS(OpenFileDialogOptions options)
+	{
+		return ProcessExecutor.TryRun("osascript", "-e", "POSIX path of (choose folder)");
+	}
+
+	[SupportedOSPlatform("linux")]
+	private static Task<string?> OpenFolderAsyncLinux(OpenFileDialogOptions options)
+	{
+		return Task.FromResult<string?>(null);
+	}
+}