replace directory separator before comparing

Author: StephaneDelcroix

src/Controls/src/SourceGen/CodeBehindGenerator.cs

@@ -232,7 +232,8 @@ static bool ShouldGenerateSourceGenInitializeComponent(XamlProjectItemForIC xaml
 			ITypeSymbol xamlResIdAttr = compilation.GetTypeByMetadataName("Microsoft.Maui.Controls.Xaml.XamlResourceIdAttribute")!;
 			INamedTypeSymbol? GetTypeForResourcePath(string resourcePath, IAssemblySymbol assembly)
 			{
-				var attr = assembly.GetAttributes(xamlResIdAttr).FirstOrDefault(attr => (string)attr.ConstructorArguments[1].Value! == resourcePath);
+				//XRID use paths with forward slashes. we can't change that it's used by HR
+				var attr = assembly.GetAttributes(xamlResIdAttr).FirstOrDefault(attr => ((string)attr.ConstructorArguments[1].Value!).Replace('/', Path.DirectorySeparatorChar) == resourcePath);
 				return attr?.ConstructorArguments[2].Value as INamedTypeSymbol;
 			}
 

src/Controls/src/SourceGen/InitializeComponentCodeWriter.cs

@@ -60,7 +60,8 @@ PrePost newblock() =>
 				ITypeSymbol xamlResIdAttr = compilation.GetTypeByMetadataName("Microsoft.Maui.Controls.Xaml.XamlResourceIdAttribute")!;
 				INamedTypeSymbol? GetTypeForResourcePath(string resourcePath, IAssemblySymbol assembly)
 				{
-					var attr = assembly.GetAttributes(xamlResIdAttr).FirstOrDefault(attr => (string)attr.ConstructorArguments[1].Value! == resourcePath);
+					//XRID use paths with forward slashes. we can't change that it's used by HR
+					var attr = assembly.GetAttributes(xamlResIdAttr).FirstOrDefault(attr => ((string)attr.ConstructorArguments[1].Value!).Replace('/', Path.DirectorySeparatorChar) == resourcePath);
 					return attr?.ConstructorArguments[2].Value as INamedTypeSymbol;
 				}
 

src/Controls/tests/SourceGen.UnitTests/InitializeComponent/ResourceDictionary.cs

@@ -0,0 +1,59 @@
+using System.Linq;
+using NUnit.Framework;
+
+namespace Microsoft.Maui.Controls.SourceGen.UnitTests;
+
+public class ResourceDictionary : SourceGenXamlInitializeComponentTestBase
+{
+	[Test]
+	public void ResourceDictionaryWithoutXClass()
+    {
+        var xaml =
+"""
+<?xml version="1.0" encoding="utf-8" ?>
+<ResourceDictionary
+    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+    xmlns:local="using:Microsoft.Maui.Controls.Xaml.UnitTests"> 
+  <Color x:Key="AccentColor">#FF4B14</Color>
+</ResourceDictionary>
+""";
+		var expected =
+"""
+
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a .NET MAUI source generator.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+#nullable enable
+
+namespace __XamlGeneratedCode__;
+
+public partial class __TypeDBD64C1C77CDA760
+{
+	private partial void InitializeComponent()
+	{
+		var color = global::Microsoft.Maui.Graphics.Color.Parse("#FF4B14");
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(color!, new global::System.Uri(@"Resources/Styles.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 6, 4);
+		var __root = this;
+		global::Microsoft.Maui.VisualDiagnostics.RegisterSourceInfo(__root!, new global::System.Uri(@"Resources/Styles.xaml;assembly=SourceGeneratorDriver.Generated", global::System.UriKind.Relative), 2, 2);
+#if !_MAUIXAML_SG_NAMESCOPE_DISABLE
+		global::Microsoft.Maui.Controls.Internals.INameScope iNameScope = new global::Microsoft.Maui.Controls.Internals.NameScope();
+#endif
+		__root.Add("AccentColor", color);
+	}
+}
+
+""";
+
+		var (result, generated) = RunGenerator(xaml, "", path: System.IO.Path.Combine("Resources", "Styles.xaml"));
+		Assert.IsFalse(result.Diagnostics.Any());
+
+		Assert.AreEqual(expected, generated);
+		
+    }
+}

src/Controls/tests/SourceGen.UnitTests/InitializeComponent/SourceGenXamlInitializeComponentTests.cs

@@ -12,11 +12,11 @@ public class SourceGenXamlInitializeComponentTestBase : SourceGenTestsBase
 	protected record AdditionalXamlFile(string Path, string Content, string? RelativePath = null, string? TargetPath = null, string? ManifestResourceName = null, string? TargetFramework = null, string? NoWarn = null)
 		: AdditionalFile(Text: ToAdditionalText(Path, Content), Kind: "Xaml", RelativePath: RelativePath ?? Path, TargetPath: TargetPath, ManifestResourceName: ManifestResourceName, TargetFramework: TargetFramework, NoWarn: NoWarn);
 
-	protected (GeneratorDriverRunResult result, string? text) RunGenerator(string xaml, string code, string noWarn = "", string targetFramework = "")
+	protected (GeneratorDriverRunResult result, string? text) RunGenerator(string xaml, string code, string noWarn = "", string targetFramework = "", string? path = null)
 	{
 		var compilation = CreateMauiCompilation();
 		compilation = compilation.AddSyntaxTrees(CSharpSyntaxTree.ParseText(code));
-		var result = RunGenerator<CodeBehindGenerator>(compilation, new AdditionalXamlFile("Test.xaml", xaml, TargetFramework: targetFramework, NoWarn: noWarn));
+		var result = RunGenerator<CodeBehindGenerator>(compilation, new AdditionalXamlFile(path ?? "Test.xaml", xaml, TargetFramework: targetFramework, NoWarn: noWarn, ManifestResourceName: $"{compilation.AssemblyName}.Test.xaml"));
 		var generated = result.Results.SingleOrDefault().GeneratedSources.SingleOrDefault(gs => gs.HintName.EndsWith(".xsg.cs")).SourceText?.ToString();
 
 		return (result, generated);