Add XML Tree Feature

#32

src/providers/Content.ts

@@ -0,0 +1,28 @@
+'use strict';
+
+import * as vsc from 'vscode';
+import { XmlTreeService } from '../services/XmlTreeService';
+
+export class XmlTreeDocumentContentProvider implements vsc.TextDocumentContentProvider {
+    
+    static get SCHEME(): string {
+        return "xmltree";
+    }
+    
+    static buildUri(sourceUri: vsc.Uri): vsc.Uri {
+        let uriStr: string = `xmltree://${encodeURIComponent(sourceUri.toString())}`;
+        
+        let uri: vsc.Uri = vsc.Uri.parse(uriStr);
+        
+        return uri;
+    }
+    
+    async provideTextDocumentContent(uri: vsc.Uri): Promise<string> {
+        let sourceUri: vsc.Uri = vsc.Uri.parse(decodeURIComponent(uri.toString().substr(10)));
+        let document: vsc.TextDocument = await vsc.workspace.openTextDocument(sourceUri);
+        
+        let html: string = XmlTreeService.getXmlTreeHtml(document.getText());
+        
+        return Promise.resolve(html);
+    }
+}