93 lines
3.2 KiB
C#
93 lines
3.2 KiB
C#
using System;
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using System.ComponentModel.Composition;
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using System.Diagnostics;
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using dnSpy.Contracts.Extension;
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using dnSpy.Contracts.Menus;
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using dnSpy.Contracts.Output;
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using dnSpy.Contracts.Text;
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// Creates an Output window text pane where our log messages will go.
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// Adds context menu commands.
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namespace Example2.Extension {
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// Holds an instance of our logger text pane
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static class MyLogger {
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//TODO: Use your own GUID
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public static readonly Guid THE_GUID = new Guid("26F2F5B2-9C5A-4F99-A026-4946A068500F");
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public static IOutputTextPane Instance {
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get {
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if (_instance is null)
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throw new InvalidOperationException("Logger hasn't been initialized yet");
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return _instance;
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}
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set {
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if (_instance is not null)
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throw new InvalidOperationException("Can't initialize the logger twice");
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_instance = value ?? throw new ArgumentNullException(nameof(value));
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}
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}
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static IOutputTextPane? _instance;
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// This class initializes the Logger property. It gets auto loaded by dnSpy
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[ExportAutoLoaded(Order = double.MinValue)]
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sealed class InitializeLogger : IAutoLoaded {
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[ImportingConstructor]
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InitializeLogger(IOutputService outputService) {
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Instance = outputService.Create(THE_GUID, "My Logger");
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Instance.WriteLine("Logger initialized!");
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}
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}
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}
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sealed class LogEditorCtxMenuContext {
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public readonly IOutputTextPane TextPane;
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public LogEditorCtxMenuContext(IOutputTextPane pane) => TextPane = pane;
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}
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abstract class LogEditorCtxMenuCommand : MenuItemBase<LogEditorCtxMenuContext> {
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protected sealed override object CachedContextKey => ContextKey;
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static readonly object ContextKey = new object();
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protected sealed override LogEditorCtxMenuContext? CreateContext(IMenuItemContext context) {
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// Check if it's the Output window
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if (context.CreatorObject.Guid != new Guid(MenuConstants.GUIDOBJ_LOG_TEXTEDITORCONTROL_GUID))
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return null;
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// Get the text pane if any
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var textPane = context.Find<IOutputTextPane>();
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if (textPane is null)
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return null;
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// Check if it's our logger text pane
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if (textPane.Guid != MyLogger.THE_GUID)
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return null;
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Debug.Assert(textPane == MyLogger.Instance);
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return new LogEditorCtxMenuContext(textPane);
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}
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}
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// GROUP_CTX_OUTPUT_USER_COMMANDS can be used for user commands, like our commands below:
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[ExportMenuItem(Header = "Write Hello to the Log", Group = MenuConstants.GROUP_CTX_OUTPUT_USER_COMMANDS, Order = 0)]
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sealed class WriteHelloCtxMenuCommand : LogEditorCtxMenuCommand {
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public override void Execute(LogEditorCtxMenuContext context) {
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context.TextPane.Write(TextColor.Blue, "H");
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context.TextPane.Write(TextColor.Red, "E");
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context.TextPane.Write(TextColor.Green, "L");
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context.TextPane.Write(TextColor.Yellow, "L");
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context.TextPane.Write(TextColor.Cyan, "O");
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context.TextPane.Write(TextColor.Gray, "!");
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context.TextPane.WriteLine();
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}
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}
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[ExportMenuItem(Header = "Open the Pod Bay Doors", Group = MenuConstants.GROUP_CTX_OUTPUT_USER_COMMANDS, Order = 10)]
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sealed class ShowExceptionMessagesCtxMenuCommand : LogEditorCtxMenuCommand {
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public override void Execute(LogEditorCtxMenuContext context) =>
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context.TextPane.WriteLine(TextColor.Error, "I'm afraid I can't do that.");
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}
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}
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