222 lines
9.1 KiB
TypeScript
222 lines
9.1 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { getLocation, JSONPath, parse, visit } from 'jsonc-parser';
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import * as vscode from 'vscode';
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import * as nls from 'vscode-nls';
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import { SettingsDocument } from './settingsDocumentHelper';
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import { provideInstalledExtensionProposals } from './extensionsProposals';
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const localize = nls.loadMessageBundle();
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export function activate(context: vscode.ExtensionContext): void {
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//settings.json suggestions
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context.subscriptions.push(registerSettingsCompletions());
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//extensions suggestions
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context.subscriptions.push(...registerExtensionsCompletions());
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// launch.json variable suggestions
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context.subscriptions.push(registerVariableCompletions('**/launch.json'));
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// task.json variable suggestions
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context.subscriptions.push(registerVariableCompletions('**/tasks.json'));
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// keybindings.json/package.json context key suggestions
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context.subscriptions.push(registerContextKeyCompletions());
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}
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function registerSettingsCompletions(): vscode.Disposable {
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return vscode.languages.registerCompletionItemProvider({ language: 'jsonc', pattern: '**/settings.json' }, {
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provideCompletionItems(document, position, token) {
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return new SettingsDocument(document).provideCompletionItems(position, token);
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}
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});
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}
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function registerVariableCompletions(pattern: string): vscode.Disposable {
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return vscode.languages.registerCompletionItemProvider({ language: 'jsonc', pattern }, {
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provideCompletionItems(document, position, _token) {
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const location = getLocation(document.getText(), document.offsetAt(position));
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if (!location.isAtPropertyKey && location.previousNode && location.previousNode.type === 'string') {
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const indexOf$ = document.lineAt(position.line).text.indexOf('$');
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const startPosition = indexOf$ >= 0 ? new vscode.Position(position.line, indexOf$) : position;
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return [
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{ label: 'workspaceFolder', detail: localize('workspaceFolder', "The path of the folder opened in VS Code") },
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{ label: 'workspaceFolderBasename', detail: localize('workspaceFolderBasename', "The name of the folder opened in VS Code without any slashes (/)") },
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{ label: 'relativeFile', detail: localize('relativeFile', "The current opened file relative to ${workspaceFolder}") },
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{ label: 'relativeFileDirname', detail: localize('relativeFileDirname', "The current opened file's dirname relative to ${workspaceFolder}") },
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{ label: 'file', detail: localize('file', "The current opened file") },
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{ label: 'cwd', detail: localize('cwd', "The task runner's current working directory on startup") },
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{ label: 'lineNumber', detail: localize('lineNumber', "The current selected line number in the active file") },
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{ label: 'selectedText', detail: localize('selectedText', "The current selected text in the active file") },
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{ label: 'fileDirname', detail: localize('fileDirname', "The current opened file's dirname") },
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{ label: 'fileExtname', detail: localize('fileExtname', "The current opened file's extension") },
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{ label: 'fileBasename', detail: localize('fileBasename', "The current opened file's basename") },
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{ label: 'fileBasenameNoExtension', detail: localize('fileBasenameNoExtension', "The current opened file's basename with no file extension") },
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{ label: 'defaultBuildTask', detail: localize('defaultBuildTask', "The name of the default build task. If there is not a single default build task then a quick pick is shown to choose the build task.") },
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].map(variable => ({
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label: '${' + variable.label + '}',
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range: new vscode.Range(startPosition, position),
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detail: variable.detail
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}));
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}
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return [];
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}
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});
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}
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interface IExtensionsContent {
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recommendations: string[];
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}
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function registerExtensionsCompletions(): vscode.Disposable[] {
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return [registerExtensionsCompletionsInExtensionsDocument(), registerExtensionsCompletionsInWorkspaceConfigurationDocument()];
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}
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function registerExtensionsCompletionsInExtensionsDocument(): vscode.Disposable {
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return vscode.languages.registerCompletionItemProvider({ pattern: '**/extensions.json' }, {
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provideCompletionItems(document, position, _token) {
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const location = getLocation(document.getText(), document.offsetAt(position));
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const range = document.getWordRangeAtPosition(position) || new vscode.Range(position, position);
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if (location.path[0] === 'recommendations') {
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const extensionsContent = <IExtensionsContent>parse(document.getText());
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return provideInstalledExtensionProposals(extensionsContent && extensionsContent.recommendations || [], '', range, false);
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}
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return [];
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}
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});
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}
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function registerExtensionsCompletionsInWorkspaceConfigurationDocument(): vscode.Disposable {
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return vscode.languages.registerCompletionItemProvider({ pattern: '**/*.code-workspace' }, {
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provideCompletionItems(document, position, _token) {
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const location = getLocation(document.getText(), document.offsetAt(position));
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const range = document.getWordRangeAtPosition(position) || new vscode.Range(position, position);
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if (location.path[0] === 'extensions' && location.path[1] === 'recommendations') {
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const extensionsContent = <IExtensionsContent>parse(document.getText())['extensions'];
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return provideInstalledExtensionProposals(extensionsContent && extensionsContent.recommendations || [], '', range, false);
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}
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return [];
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}
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});
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}
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vscode.languages.registerDocumentSymbolProvider({ pattern: '**/launch.json', language: 'jsonc' }, {
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provideDocumentSymbols(document: vscode.TextDocument, _token: vscode.CancellationToken): vscode.ProviderResult<vscode.SymbolInformation[]> {
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const result: vscode.SymbolInformation[] = [];
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let name: string = '';
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let lastProperty = '';
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let startOffset = 0;
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let depthInObjects = 0;
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visit(document.getText(), {
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onObjectProperty: (property, _offset, _length) => {
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lastProperty = property;
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},
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onLiteralValue: (value: any, _offset: number, _length: number) => {
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if (lastProperty === 'name') {
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name = value;
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}
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},
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onObjectBegin: (offset: number, _length: number) => {
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depthInObjects++;
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if (depthInObjects === 2) {
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startOffset = offset;
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}
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},
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onObjectEnd: (offset: number, _length: number) => {
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if (name && depthInObjects === 2) {
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result.push(new vscode.SymbolInformation(name, vscode.SymbolKind.Object, new vscode.Range(document.positionAt(startOffset), document.positionAt(offset))));
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}
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depthInObjects--;
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},
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});
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return result;
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}
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}, { label: 'Launch Targets' });
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function registerContextKeyCompletions(): vscode.Disposable {
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type ContextKeyInfo = { key: string, type?: string, description?: string };
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const paths = new Map<vscode.DocumentFilter, JSONPath[]>([
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[{ language: 'jsonc', pattern: '**/keybindings.json' }, [
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['*', 'when']
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]],
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[{ language: 'json', pattern: '**/package.json' }, [
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['contributes', 'menus', '*', '*', 'when'],
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['contributes', 'views', '*', '*', 'when'],
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['contributes', 'viewsWelcome', '*', 'when'],
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['contributes', 'keybindings', '*', 'when'],
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['contributes', 'keybindings', 'when'],
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]]
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]);
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return vscode.languages.registerCompletionItemProvider(
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[...paths.keys()],
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{
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async provideCompletionItems(document: vscode.TextDocument, position: vscode.Position, token: vscode.CancellationToken) {
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const location = getLocation(document.getText(), document.offsetAt(position));
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if (location.isAtPropertyKey) {
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return;
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}
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let isValidLocation = false;
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for (const [key, value] of paths) {
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if (vscode.languages.match(key, document)) {
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if (value.some(location.matches.bind(location))) {
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isValidLocation = true;
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break;
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}
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}
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}
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if (!isValidLocation) {
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return;
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}
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// for JSON everything with quotes is a word
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const jsonWord = document.getWordRangeAtPosition(position);
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if (!jsonWord || jsonWord.start.isEqual(position) || jsonWord.end.isEqual(position)) {
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// we aren't inside a "JSON word" or on its quotes
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return;
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}
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let replacing: vscode.Range | undefined;
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if (jsonWord.end.character - jsonWord.start.character === 2 || document.getWordRangeAtPosition(position, /\s+/)) {
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// empty json word or on whitespace
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replacing = new vscode.Range(position, position);
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} else {
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replacing = document.getWordRangeAtPosition(position, /[a-zA-Z.]+/);
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}
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if (!replacing) {
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return;
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}
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const inserting = replacing.with(undefined, position);
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const data = await vscode.commands.executeCommand<ContextKeyInfo[]>('getContextKeyInfo');
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if (token.isCancellationRequested || !data) {
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return;
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}
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const result = new vscode.CompletionList();
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for (const item of data) {
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const completion = new vscode.CompletionItem(item.key, vscode.CompletionItemKind.Constant);
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completion.detail = item.type;
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completion.range = { replacing, inserting };
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completion.documentation = item.description;
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result.items.push(completion);
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}
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return result;
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}
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}
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);
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}
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