Resources folder under each assembly node

Assisted-by: Claude:claude-opus-4-7:Claude Code

Assisted-by: Claude:claude-opus-4-7:Claude Code

ILSpy.Tests/AssemblyList/AssemblyTreeTests.cs

@@ -44,6 +44,27 @@ namespace ICSharpCode.ILSpy.Tests;
 [TestFixture]
 public class AssemblyTreeTests
 {
+	[AvaloniaTest]
+	public async Task Assembly_Node_Has_Resources_Folder_When_Module_Has_Resources()
+	{
+		var window = AppComposition.Current.GetExport<MainWindow>();
+		window.Show();
+		var vm = (MainWindowViewModel)window.DataContext!;
+		await vm.AssemblyTreeModel.WaitForAssembliesAsync(minimumCount: 3);
+
+		// Pick a loaded assembly that ships embedded resources. CoreLib always has at least
+		// the localised error-message tables.
+		var coreLibName = typeof(object).Assembly.GetName().Name!;
+		var assemblyNode = vm.AssemblyTreeModel.FindNode<AssemblyTreeNode>(coreLibName);
+		assemblyNode.EnsureLazyChildren();
+
+		var resources = assemblyNode.Children.OfType<ResourceListTreeNode>().Single();
+		resources.Text.Should().Be(Resources._Resources);
+		resources.EnsureLazyChildren();
+		resources.Children.Should().NotBeEmpty();
+		resources.Children.Should().AllBeAssignableTo<ResourceTreeNode>();
+	}
+
 	[AvaloniaTest]
 	public async Task Assembly_Node_Has_References_Folder_Child()
 	{

ILSpy/Assets/Icons/FolderClosed.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><style>.icon-canvas-transparent{opacity:0;fill:#f6f6f6}.icon-vs-out{fill:#f6f6f6}.icon-folder{fill:#dcb67a}.icon-vs-fg{fill:#f0eff1}</style><path class="icon-canvas-transparent" d="M0 0h16v16H0V0z" id="canvas"/><path class="icon-vs-out" d="M1.5 1h8.11l1 2h2.886c.827 0 1.5.673 1.5 1.5v8c0 .827-.673 1.5-1.5 1.5H1.5C.673 14 0 13.327 0 12.5v-10C0 1.673.673 1 1.5 1z" id="outline"/><path class="icon-folder" d="M13.496 4H9.992l-1-2H1.5a.5.5 0 0 0-.5.5v10a.5.5 0 0 0 .5.5h11.996a.5.5 0 0 0 .5-.5v-8a.5.5 0 0 0-.5-.5zM2 3h6.374l.5 1H2V3z" id="iconBg"/><path class="icon-vs-fg" d="M2 3h6.374l.5 1H2V3z" id="iconFg"/></svg>

ILSpy/Assets/Icons/FolderOpen.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><style>.icon-canvas-transparent{opacity:0;fill:#f6f6f6}.icon-vs-out{fill:#f6f6f6}.icon-folder{fill:#dcb67a}</style><path class="icon-canvas-transparent" d="M0 0h16v16H0V0z" id="canvas"/><path class="icon-vs-out" d="M0 2.969v9c0 .617.227 1.102.57 1.435.57.543 1.43.565 1.43.565h11.677L16 8.165V6.969h-1v-2c0-1.299-1.03-2-2-2h-2.884l-1-2H2c-.995 0-2 .697-2 2z" id="outline"/><path class="icon-folder" d="M1 3v9c0 .97.94.984.997.984H2V3h6l1 2h4v3H4l-2 5h11l2-5h-1V5c0-1-1.236-1-1-1H9.5l-1-2H2S1 2 1 3z" id="iconBg"/></svg>

ILSpy/Assets/Icons/Resource.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" enable-background="new 0 0 16 16"><style type="text/css">.icon-canvas-transparent{opacity:0;fill:#F6F6F6;} .icon-vs-out{fill:#F6F6F6;} .icon-vs-bg{fill:#424242;} .icon-vs-fg_x0020_2{fill:#F0EFF1;}</style><path class="icon-canvas-transparent" d="M16 16h-16v-16h16v16z" id="canvas"/><path class="icon-vs-out" d="M15 16h-13v-16h8.621l4.379 4.379v11.621z" id="outline"/><path class="icon-vs-fg_x0020_2" d="M13 14h-9v-12h5v4h4v8zm-3-9v-2.793l2.793 2.793h-2.793z" id="iconFg"/><path class="icon-vs-bg" d="M3 1v14h11v-10.207l-3.793-3.793h-7.207zm10 13h-9v-12h5v4h4v8zm-3-9v-2.793l2.793 2.793h-2.793z" id="iconBg"/></svg>

ILSpy/Images.cs

@@ -77,6 +77,9 @@ namespace ILSpy.Images
 		public static readonly IImage Namespace = LoadSvg(nameof(Namespace));
 		public static readonly IImage ReferenceFolder = LoadSvg(nameof(ReferenceFolder));
 		public static readonly IImage MetadataTable = LoadSvg(nameof(MetadataTable));
+		public static readonly IImage FolderClosed = LoadSvg(nameof(FolderClosed));
+		public static readonly IImage FolderOpen = LoadSvg(nameof(FolderOpen));
+		public static readonly IImage Resource = LoadSvg(nameof(Resource));
 
 		// Types
 		public static readonly IImage Class = LoadSvg(nameof(Class));

ILSpy/TreeNodes/AssemblyTreeNode.cs

@@ -205,6 +205,9 @@ namespace ILSpy.TreeNodes
 
 			Children.Add(new ReferenceFolderTreeNode(module, this));
 
+			if (module.Resources.Any())
+				Children.Add(new ResourceListTreeNode(module));
+
 			var metadata = module.Metadata;
 			var namespaces = metadata.TypeDefinitions
 				.Where(t => metadata.GetTypeDefinition(t).GetDeclaringType().IsNil)

ILSpy/TreeNodes/ResourceListTreeNode.cs

@@ -0,0 +1,77 @@
+// Copyright (c) 2026 AlphaSierraPapa for the SharpDevelop Team
+//
+// 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.
+
+using System.Linq;
+
+using Avalonia.Threading;
+
+using ICSharpCode.Decompiler;
+using ICSharpCode.Decompiler.Metadata;
+using ICSharpCode.ILSpy.Properties;
+
+using ILSpy.Languages;
+
+namespace ILSpy.TreeNodes
+{
+	/// <summary>
+	/// Lists the embedded resources of an assembly. Children are <see cref="ResourceTreeNode"/>
+	/// instances created via the <see cref="ResourceTreeNode.Create"/> factory.
+	/// </summary>
+	sealed class ResourceListTreeNode : ILSpyTreeNode
+	{
+		readonly MetadataFile module;
+
+		public ResourceListTreeNode(MetadataFile module)
+		{
+			this.module = module;
+			LazyLoading = true;
+		}
+
+		public override object Text => Resources._Resources;
+
+		public override object Icon => IsExpanded ? Images.Images.FolderOpen : Images.Images.FolderClosed;
+
+		protected override void OnExpanding()
+		{
+			base.OnExpanding();
+			RaisePropertyChanged(nameof(Icon));
+		}
+
+		protected override void OnCollapsing()
+		{
+			base.OnCollapsing();
+			RaisePropertyChanged(nameof(Icon));
+		}
+
+		protected override void LoadChildren()
+		{
+			foreach (var r in module.Resources.OrderBy(m => m.Name, NaturalStringComparer.Instance))
+				Children.Add(ResourceTreeNode.Create(r));
+		}
+
+		public override void Decompile(Language language, ITextOutput output, DecompilationOptions options)
+		{
+			Dispatcher.UIThread.Invoke(EnsureLazyChildren);
+			foreach (var child in Children.OfType<ILSpyTreeNode>())
+			{
+				child.Decompile(language, output, options);
+				output.WriteLine();
+			}
+		}
+	}
+}

ILSpy/TreeNodes/ResourceTreeNode.cs

@@ -0,0 +1,56 @@
+// Copyright (c) 2026 AlphaSierraPapa for the SharpDevelop Team
+//
+// 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.
+
+using System;
+
+using ICSharpCode.Decompiler;
+using ICSharpCode.Decompiler.IL;
+using ICSharpCode.Decompiler.Metadata;
+
+using ILSpy.Languages;
+
+namespace ILSpy.TreeNodes
+{
+	/// <summary>
+	/// Default resource entry node — used when no specialised handler (image, XAML, .resources
+	/// file, …) is registered for a given resource. The Avalonia port currently always falls
+	/// back to this plain node since the typed handlers are not yet ported.
+	/// </summary>
+	public class ResourceTreeNode : ILSpyTreeNode
+	{
+		public ResourceTreeNode(Resource r)
+		{
+			Resource = r ?? throw new ArgumentNullException(nameof(r));
+		}
+
+		public Resource Resource { get; }
+
+		public override object Text => ILAmbience.EscapeName(Resource.Name);
+
+		public override object Icon => Images.Images.Resource;
+
+		public override void Decompile(Language language, ITextOutput output, DecompilationOptions options)
+		{
+			var sizeInBytes = Resource.TryGetLength();
+			var sizeInBytesText = sizeInBytes == null ? "" : ", " + sizeInBytes + " bytes";
+			language.WriteCommentLine(output, $"{Resource.Name} ({Resource.ResourceType}, {Resource.Attributes}{sizeInBytesText})");
+		}
+
+		public static ILSpyTreeNode Create(Resource resource) => new ResourceTreeNode(resource);
+	}
+}