mirror of https://github.com/coder/code-server.git
236 lines
9.5 KiB
TypeScript
236 lines
9.5 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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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 * as vscode from 'vscode';
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import * as pathUtils from 'path';
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const FILE_LINE_REGEX = /^(\S.*):$/;
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const RESULT_LINE_REGEX = /^(\s+)(\d+)(:| )(\s+)(.*)$/;
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const SEARCH_RESULT_SELECTOR = { language: 'search-result' };
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const DIRECTIVES = ['# Query:', '# Flags:', '# Including:', '# Excluding:', '# ContextLines:'];
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const FLAGS = ['RegExp', 'CaseSensitive', 'IgnoreExcludeSettings', 'WordMatch'];
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let cachedLastParse: { version: number, parse: ParsedSearchResults, uri: vscode.Uri } | undefined;
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let documentChangeListener: vscode.Disposable | undefined;
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export function activate(context: vscode.ExtensionContext) {
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const contextLineDecorations = vscode.window.createTextEditorDecorationType({ opacity: '0.7' });
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const matchLineDecorations = vscode.window.createTextEditorDecorationType({ fontWeight: 'bold' });
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const decorate = (editor: vscode.TextEditor) => {
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const parsed = parseSearchResults(editor.document).filter(isResultLine);
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const contextRanges = parsed.filter(line => line.isContext).map(line => line.prefixRange);
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const matchRanges = parsed.filter(line => !line.isContext).map(line => line.prefixRange);
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editor.setDecorations(contextLineDecorations, contextRanges);
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editor.setDecorations(matchLineDecorations, matchRanges);
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};
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if (vscode.window.activeTextEditor && vscode.window.activeTextEditor.document.languageId === 'search-result') {
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decorate(vscode.window.activeTextEditor);
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}
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context.subscriptions.push(
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vscode.languages.registerDocumentSymbolProvider(SEARCH_RESULT_SELECTOR, {
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provideDocumentSymbols(document: vscode.TextDocument, token: vscode.CancellationToken): vscode.DocumentSymbol[] {
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const results = parseSearchResults(document, token)
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.filter(isFileLine)
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.map(line => new vscode.DocumentSymbol(
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line.path,
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'',
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vscode.SymbolKind.File,
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line.allLocations.map(({ originSelectionRange }) => originSelectionRange!).reduce((p, c) => p.union(c), line.location.originSelectionRange!),
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line.location.originSelectionRange!,
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));
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return results;
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}
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}),
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vscode.languages.registerCompletionItemProvider(SEARCH_RESULT_SELECTOR, {
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provideCompletionItems(document: vscode.TextDocument, position: vscode.Position): vscode.CompletionItem[] {
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const line = document.lineAt(position.line);
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if (position.line > 3) { return []; }
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if (position.character === 0 || (position.character === 1 && line.text === '#')) {
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const header = Array.from({ length: DIRECTIVES.length }).map((_, i) => document.lineAt(i).text);
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return DIRECTIVES
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.filter(suggestion => header.every(line => line.indexOf(suggestion) === -1))
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.map(flag => ({ label: flag, insertText: (flag.slice(position.character)) + ' ' }));
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}
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if (line.text.indexOf('# Flags:') === -1) { return []; }
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return FLAGS
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.filter(flag => line.text.indexOf(flag) === -1)
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.map(flag => ({ label: flag, insertText: flag + ' ' }));
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}
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}, '#'),
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vscode.languages.registerDefinitionProvider(SEARCH_RESULT_SELECTOR, {
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provideDefinition(document: vscode.TextDocument, position: vscode.Position, token: vscode.CancellationToken): vscode.DefinitionLink[] {
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const lineResult = parseSearchResults(document, token)[position.line];
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if (!lineResult) { return []; }
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if (lineResult.type === 'file') {
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return lineResult.allLocations;
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}
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const translateRangeSidewaysBy = (r: vscode.Range, n: number) =>
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r.with({ start: new vscode.Position(r.start.line, Math.max(0, n - r.start.character)), end: new vscode.Position(r.end.line, Math.max(0, n - r.end.character)) });
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return [{
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...lineResult.location,
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targetSelectionRange: translateRangeSidewaysBy(lineResult.location.targetSelectionRange!, position.character - 1)
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}];
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}
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}),
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vscode.languages.registerDocumentLinkProvider(SEARCH_RESULT_SELECTOR, {
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async provideDocumentLinks(document: vscode.TextDocument, token: vscode.CancellationToken): Promise<vscode.DocumentLink[]> {
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return parseSearchResults(document, token)
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.filter(({ type }) => type === 'file')
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.map(({ location }) => ({ range: location.originSelectionRange!, target: location.targetUri }));
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}
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}),
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vscode.window.onDidChangeActiveTextEditor(editor => {
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if (editor?.document.languageId === 'search-result') {
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// Clear the parse whenever we open a new editor.
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// Conservative because things like the URI might remain constant even if the contents change, and re-parsing even large files is relatively fast.
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cachedLastParse = undefined;
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documentChangeListener?.dispose();
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documentChangeListener = vscode.workspace.onDidChangeTextDocument(doc => {
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if (doc.document.uri === editor.document.uri) {
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decorate(editor);
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}
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});
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decorate(editor);
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}
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}),
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{ dispose() { cachedLastParse = undefined; documentChangeListener?.dispose(); } }
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);
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}
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function relativePathToUri(path: string, resultsUri: vscode.Uri): vscode.Uri | undefined {
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if (pathUtils.isAbsolute(path)) {
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return vscode.Uri
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.file(path)
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.with({ scheme: process.env.HOME ? 'file' : 'vscode-userdata' });
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}
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if (path.indexOf('~/') === 0) {
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return vscode.Uri
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.file(pathUtils.join(process.env.HOME ?? '', path.slice(2)))
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.with({ scheme: process.env.HOME ? 'file' : 'vscode-userdata' });
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}
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const uriFromFolderWithPath = (folder: vscode.WorkspaceFolder, path: string): vscode.Uri =>
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vscode.Uri.joinPath(folder.uri, path);
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if (vscode.workspace.workspaceFolders) {
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const multiRootFormattedPath = /^(.*) • (.*)$/.exec(path);
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if (multiRootFormattedPath) {
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const [, workspaceName, workspacePath] = multiRootFormattedPath;
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const folder = vscode.workspace.workspaceFolders.filter(wf => wf.name === workspaceName)[0];
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if (folder) {
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return uriFromFolderWithPath(folder, workspacePath);
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}
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}
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else if (vscode.workspace.workspaceFolders.length === 1) {
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return uriFromFolderWithPath(vscode.workspace.workspaceFolders[0], path);
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} else if (resultsUri.scheme !== 'untitled') {
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// We're in a multi-root workspace, but the path is not multi-root formatted
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// Possibly a saved search from a single root session. Try checking if the search result document's URI is in a current workspace folder.
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const prefixMatch = vscode.workspace.workspaceFolders.filter(wf => resultsUri.toString().startsWith(wf.uri.toString()))[0];
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if (prefixMatch) {
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return uriFromFolderWithPath(prefixMatch, path);
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}
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}
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}
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console.error(`Unable to resolve path ${path}`);
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return undefined;
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}
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type ParsedSearchFileLine = { type: 'file', location: vscode.LocationLink, allLocations: vscode.LocationLink[], path: string };
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type ParsedSearchResultLine = { type: 'result', location: vscode.LocationLink, isContext: boolean, prefixRange: vscode.Range };
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type ParsedSearchResults = Array<ParsedSearchFileLine | ParsedSearchResultLine>;
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const isFileLine = (line: ParsedSearchResultLine | ParsedSearchFileLine): line is ParsedSearchFileLine => line.type === 'file';
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const isResultLine = (line: ParsedSearchResultLine | ParsedSearchFileLine): line is ParsedSearchResultLine => line.type === 'result';
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function parseSearchResults(document: vscode.TextDocument, token?: vscode.CancellationToken): ParsedSearchResults {
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if (cachedLastParse && cachedLastParse.uri === document.uri && cachedLastParse.version === document.version) {
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return cachedLastParse.parse;
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}
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const lines = document.getText().split(/\r?\n/);
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const links: ParsedSearchResults = [];
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let currentTarget: vscode.Uri | undefined = undefined;
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let currentTargetLocations: vscode.LocationLink[] | undefined = undefined;
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for (let i = 0; i < lines.length; i++) {
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// TODO: This is probably always false, given we're pegging the thread...
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if (token?.isCancellationRequested) { return []; }
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const line = lines[i];
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const fileLine = FILE_LINE_REGEX.exec(line);
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if (fileLine) {
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const [, path] = fileLine;
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currentTarget = relativePathToUri(path, document.uri);
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if (!currentTarget) { continue; }
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currentTargetLocations = [];
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const location: vscode.LocationLink = {
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targetRange: new vscode.Range(0, 0, 0, 1),
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targetUri: currentTarget,
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originSelectionRange: new vscode.Range(i, 0, i, line.length),
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};
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links[i] = { type: 'file', location, allLocations: currentTargetLocations, path };
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}
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if (!currentTarget) { continue; }
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const resultLine = RESULT_LINE_REGEX.exec(line);
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if (resultLine) {
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const [, indentation, _lineNumber, seperator, resultIndentation] = resultLine;
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const lineNumber = +_lineNumber - 1;
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const resultStart = (indentation + _lineNumber + seperator + resultIndentation).length;
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const metadataOffset = (indentation + _lineNumber + seperator).length;
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const location: vscode.LocationLink = {
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targetRange: new vscode.Range(Math.max(lineNumber - 3, 0), 0, lineNumber + 3, line.length),
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targetSelectionRange: new vscode.Range(lineNumber, metadataOffset, lineNumber, metadataOffset),
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targetUri: currentTarget,
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originSelectionRange: new vscode.Range(i, resultStart, i, line.length),
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};
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currentTargetLocations?.push(location);
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links[i] = { type: 'result', location, isContext: seperator === ' ', prefixRange: new vscode.Range(i, 0, i, metadataOffset) };
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}
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}
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cachedLastParse = {
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version: document.version,
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parse: links,
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uri: document.uri
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};
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return links;
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}
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