feat: approve debug memory provider

opensumi · May 16, 2022 · 091015c · 091015c
1 parent 080a944
commit 091015c
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Showing 2 changed files with 71 additions and 23 deletions.
diff --git a/packages/debug/src/browser/debug-memory.ts b/packages/debug/src/browser/debug-memory.ts
@@ -1,4 +1,4 @@
-import { Injectable } from '@opensumi/di';
+import { Injectable, Autowired } from '@opensumi/di';
 import {
   Event,
   FileSystemProvider,
@@ -9,24 +9,27 @@ import {
   Uri,
   BinaryBuffer,
   Emitter,
-  FileChange,
 } from '@opensumi/ide-core-common';
 
+import { DEBUG_MEMORY_SCHEME, IDebugSessionManager } from '../common';
+
+import { DebugSessionManager } from '.';
+
 @Injectable()
 export class DebugMemoryFileSystemProvider implements FileSystemProvider {
+  @Autowired(IDebugSessionManager)
+  protected readonly debugSessionManager: DebugSessionManager;
+
   private readonly changeEmitter = new Emitter<FileChangeEvent>();
 
   public readonly capabilities: FileSystemProviderCapabilities =
     0 | FileSystemProviderCapabilities.PathCaseSensitive | FileSystemProviderCapabilities.FileOpenReadWriteClose;
 
   public readonly onDidChangeCapabilities = Event.None;
 
-  onDidChangeFile: Event<FileChangeEvent> = this.changeEmitter.event;
+  public onDidChangeFile: Event<FileChangeEvent> = this.changeEmitter.event;
 
-  watch(uri: Uri, options: { recursive: boolean; excludes: string[] }): number | Promise<number> {
-    throw new Error('Not allowed');
-  }
-  stat(uri: Uri): Promise<void | FileStat> {
+  public stat(uri: Uri): Promise<void | FileStat> {
     return Promise.resolve({
       type: FileType.File,
       uri: uri.toString(),
@@ -37,26 +40,75 @@ export class DebugMemoryFileSystemProvider implements FileSystemProvider {
       isDirectory: false,
     });
   }
-  readDirectory(uri: Uri): [string, FileType][] | Promise<[string, FileType][]> {
-    throw new Error('Not allowed');
+
+  public readFile(uri: Uri): void | Uint8Array | Promise<void | Uint8Array> {
+    const parse = this.parseUri(uri);
+    if (parse && !parse.offset) {
+      return;
+    }
+
+    return this.toBuffer('');
+  }
+
+  private toBuffer(s: string): Uint8Array {
+    return BinaryBuffer.fromString(s).buffer;
+  }
+
+  private parseUri(uri: Uri) {
+    if (uri.scheme !== DEBUG_MEMORY_SCHEME) {
+      return;
+    }
+
+    const session = this.debugSessionManager.sessions.find((s) => s.id.toLowerCase() === uri.authority.toLowerCase());
+    if (!session) {
+      return;
+    }
+
+    let offset: { fromOffset: number; toOffset: number } | undefined;
+    /**
+     * query 参数是 hex-editor 插件通过覆盖了 debug file accessor 处理过后添加上的，形如
+     * ?range=0:131072
+     */
+    const rangeMatch = /range=([0-9]+):([0-9]+)/.exec(uri.query);
+    if (rangeMatch) {
+      offset = { fromOffset: Number(rangeMatch[1]), toOffset: Number(rangeMatch[2]) };
+    }
+
+    const [, memoryReference] = uri.path.split('/');
+
+    return {
+      session,
+      offset,
+      readOnly: !session.capabilities.supportsWriteMemoryRequest,
+      sessionId: uri.authority,
+      memoryReference: decodeURIComponent(memoryReference),
+    };
   }
-  createDirectory(uri: Uri): void | Promise<void | FileStat> {
+
+  public readDirectory(): never {
     throw new Error('Not allowed');
   }
-  readFile(uri: Uri, encoding?: string): void | Uint8Array | Promise<void | Uint8Array> {
-    return BinaryBuffer.fromString('DebugMemoryFileSystemProvider').buffer;
+
+  public createDirectory(): never {
+    throw new Error('Not allowed');
   }
-  writeFile(
-    uri: Uri,
-    content: Uint8Array,
-    options: { create: boolean; overwrite: boolean; encoding?: string | undefined },
-  ): void | Thenable<void | FileStat> {
+
+  public rename(): never {
     throw new Error('Not allowed');
   }
-  delete(uri: Uri, options: { recursive: boolean; moveToTrash?: boolean | undefined }): void | Promise<void> {
+
+  public delete(): never {
     throw new Error('Not allowed');
   }
-  rename(oldstring: Uri, newstring: Uri, options: { overwrite: boolean }): void | Promise<void | FileStat> {
+
+  public watch(): never {
     throw new Error('Not allowed');
   }
+
+  /**
+   * 目前仅支持读，不支持写
+   */
+  public writeFile(): never {
+    throw new Error('Method not implemented.');
+  }
 }
diff --git a/packages/debug/src/browser/view/variables/debug-variables.contribution.ts b/packages/debug/src/browser/view/variables/debug-variables.contribution.ts
@@ -13,10 +13,7 @@ import { MenuContribution, IMenuRegistry, MenuId } from '@opensumi/ide-core-brow
 import { CommandService, CUSTOM_EDITOR_SCHEME, IExtensionProps, URI } from '@opensumi/ide-core-common';
 import {
   BrowserEditorContribution,
-  EditorComponentRegistry,
-  EditorComponentRenderMode,
   EditorGroupSplitAction,
-  IEditorDocumentModelContentRegistry,
   IResource,
   ResourceService,
   WorkbenchEditorService,
@@ -159,7 +156,6 @@ export class VariablesPanelContribution implements BrowserEditorContribution, Me
             {
               split: EditorGroupSplitAction.Right,
               disableNavigate: true,
-              backend: true,
               preview: true,
               forceOpenType: {
                 type: 'component',