code-server/lib/vscode/extensions/merge-conflict/src/contentProvider.ts

54 lines
2.0 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as vscode from 'vscode';
export default class MergeConflictContentProvider implements vscode.TextDocumentContentProvider, vscode.Disposable {
static scheme = 'merge-conflict.conflict-diff';
constructor(private context: vscode.ExtensionContext) {
}
begin() {
this.context.subscriptions.push(
vscode.workspace.registerTextDocumentContentProvider(MergeConflictContentProvider.scheme, this)
);
}
dispose() {
}
async provideTextDocumentContent(uri: vscode.Uri): Promise<string | null> {
try {
const { scheme, ranges } = JSON.parse(uri.query) as { scheme: string, ranges: [{ line: number, character: number }[], { line: number, character: number }[]][] };
// complete diff
const document = await vscode.workspace.openTextDocument(uri.with({ scheme, query: '' }));
let text = '';
let lastPosition = new vscode.Position(0, 0);
ranges.forEach(rangeObj => {
let [conflictRange, fullRange] = rangeObj;
const [start, end] = conflictRange;
const [fullStart, fullEnd] = fullRange;
text += document.getText(new vscode.Range(lastPosition.line, lastPosition.character, fullStart.line, fullStart.character));
text += document.getText(new vscode.Range(start.line, start.character, end.line, end.character));
lastPosition = new vscode.Position(fullEnd.line, fullEnd.character);
});
let documentEnd = document.lineAt(document.lineCount - 1).range.end;
text += document.getText(new vscode.Range(lastPosition.line, lastPosition.character, documentEnd.line, documentEnd.character));
return text;
}
catch (ex) {
await vscode.window.showErrorMessage('Unable to show comparison');
return null;
}
}
}