mirror of
https://github.com/microsoft/vscode.git
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305 lines
11 KiB
TypeScript
305 lines
11 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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'use strict';
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import URI, { UriComponents } from 'vs/base/common/uri';
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import { TPromise } from 'vs/base/common/winjs.base';
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import { Event, mapEvent } from 'vs/base/common/event';
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import { MainContext, IMainContext, ExtHostFileSystemShape, MainThreadFileSystemShape, IFileChangeDto } from './extHost.protocol';
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import * as vscode from 'vscode';
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import * as files from 'vs/platform/files/common/files';
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import * as path from 'path';
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import { IDisposable } from 'vs/base/common/lifecycle';
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import { asWinJsPromise } from 'vs/base/common/async';
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import { values } from 'vs/base/common/map';
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import { Range, DeprecatedFileType, DeprecatedFileChangeType, FileChangeType } from 'vs/workbench/api/node/extHostTypes';
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import { ExtHostLanguageFeatures } from 'vs/workbench/api/node/extHostLanguageFeatures';
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import { Schemas } from 'vs/base/common/network';
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class FsLinkProvider implements vscode.DocumentLinkProvider {
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private _schemes = new Set<string>();
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private _regex: RegExp;
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add(scheme: string): void {
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this._regex = undefined;
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this._schemes.add(scheme);
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}
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delete(scheme: string): void {
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if (this._schemes.delete(scheme)) {
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this._regex = undefined;
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}
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}
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provideDocumentLinks(document: vscode.TextDocument, token: vscode.CancellationToken): vscode.ProviderResult<vscode.DocumentLink[]> {
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if (this._schemes.size === 0) {
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return undefined;
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}
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if (!this._regex) {
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this._regex = new RegExp(`(${(values(this._schemes).join('|'))}):[^\\s]+`, 'gi');
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}
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let result: vscode.DocumentLink[] = [];
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let max = Math.min(document.lineCount, 2500);
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for (let line = 0; line < max; line++) {
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this._regex.lastIndex = 0;
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let textLine = document.lineAt(line);
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let m: RegExpMatchArray;
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while (m = this._regex.exec(textLine.text)) {
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const target = URI.parse(m[0]);
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if (target.path[0] !== '/') {
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continue;
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}
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const range = new Range(line, this._regex.lastIndex - m[0].length, line, this._regex.lastIndex);
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result.push({ target, range });
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}
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}
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return result;
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}
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}
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class FileSystemProviderShim implements vscode.FileSystemProvider {
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onDidChangeFile: vscode.Event<vscode.FileChangeEvent[]>;
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constructor(private readonly _delegate: vscode.DeprecatedFileSystemProvider) {
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if (!this._delegate.onDidChange) {
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this.onDidChangeFile = Event.None;
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} else {
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this.onDidChangeFile = mapEvent(this._delegate.onDidChange, old => old.map(FileSystemProviderShim._modernizeFileChange));
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}
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}
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watch(uri: vscode.Uri, options: {}): vscode.Disposable {
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// does nothing because in the old API there was no notion of
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// watch and provider decide what file events to generate...
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return { dispose() { } };
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}
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stat(resource: vscode.Uri): Thenable<vscode.FileStat> {
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return this._delegate.stat(resource).then(stat => FileSystemProviderShim._modernizeFileStat(stat));
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}
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rename(oldUri: vscode.Uri, newUri: vscode.Uri): Thenable<void> {
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return this._delegate.move(oldUri, newUri).then(stat => void 0);
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}
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readDirectory(resource: vscode.Uri): Thenable<[string, vscode.FileType][]> {
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return this._delegate.readdir(resource).then(tuples => {
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return tuples.map(tuple => <[string, vscode.FileType]>[path.posix.basename(tuple[0].path), FileSystemProviderShim._modernizeFileStat(tuple[1]).type]);
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});
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}
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private static _modernizeFileStat(stat: vscode.DeprecatedFileStat): vscode.FileStat {
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let { mtime, size, type } = stat;
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let newType: files.FileType;
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// no support for bitmask, effectively no support for symlinks
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switch (type) {
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case DeprecatedFileType.Dir:
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newType = files.FileType.Directory;
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break;
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case DeprecatedFileType.File:
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newType = files.FileType.File;
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break;
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case DeprecatedFileType.Symlink:
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newType = files.FileType.File & files.FileType.SymbolicLink;
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break;
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}
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return { type: newType, ctime: 0, mtime, size };
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}
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private static _modernizeFileChange(e: vscode.DeprecatedFileChange): vscode.FileChangeEvent {
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let { resource, type } = e;
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let newType: vscode.FileChangeType;
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switch (type) {
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case DeprecatedFileChangeType.Updated:
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newType = FileChangeType.Changed;
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break;
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case DeprecatedFileChangeType.Added:
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newType = FileChangeType.Created;
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break;
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case DeprecatedFileChangeType.Deleted:
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newType = FileChangeType.Deleted;
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break;
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}
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return { uri: resource, type: newType };
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}
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// --- delete/create file or folder
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delete(resource: vscode.Uri): Thenable<void> {
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return this._delegate.stat(resource).then(stat => {
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if (stat.type === DeprecatedFileType.Dir) {
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return this._delegate.rmdir(resource);
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} else {
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return this._delegate.unlink(resource);
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}
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});
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}
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createDirectory(resource: vscode.Uri): Thenable<void> {
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return this._delegate.mkdir(resource).then(stat => void 0);
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}
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// --- read/write
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readFile(resource: vscode.Uri): Thenable<Uint8Array> {
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let chunks: Buffer[] = [];
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return this._delegate.read(resource, 0, -1, {
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report(data) {
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chunks.push(Buffer.from(data));
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}
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}).then(() => {
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return Buffer.concat(chunks);
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});
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}
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writeFile(resource: vscode.Uri, content: Uint8Array, options: files.FileWriteOptions): Thenable<void> {
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return this._delegate.write(resource, content);
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}
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}
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export class ExtHostFileSystem implements ExtHostFileSystemShape {
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private readonly _proxy: MainThreadFileSystemShape;
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private readonly _linkProvider = new FsLinkProvider();
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private readonly _fsProvider = new Map<number, vscode.FileSystemProvider>();
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private readonly _usedSchemes = new Set<string>();
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private readonly _watches = new Map<number, IDisposable>();
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private _handlePool: number = 0;
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constructor(mainContext: IMainContext, extHostLanguageFeatures: ExtHostLanguageFeatures) {
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this._proxy = mainContext.getProxy(MainContext.MainThreadFileSystem);
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this._usedSchemes.add(Schemas.file);
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this._usedSchemes.add(Schemas.untitled);
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this._usedSchemes.add(Schemas.vscode);
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this._usedSchemes.add(Schemas.inMemory);
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this._usedSchemes.add(Schemas.internal);
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this._usedSchemes.add(Schemas.http);
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this._usedSchemes.add(Schemas.https);
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this._usedSchemes.add(Schemas.mailto);
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this._usedSchemes.add(Schemas.data);
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extHostLanguageFeatures.registerDocumentLinkProvider('*', this._linkProvider);
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}
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registerDeprecatedFileSystemProvider(scheme: string, provider: vscode.DeprecatedFileSystemProvider) {
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return this.registerFileSystemProvider(scheme, new FileSystemProviderShim(provider));
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}
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registerFileSystemProvider(scheme: string, provider: vscode.FileSystemProvider, options: { isCaseSensitive?: boolean } = {}) {
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if (this._usedSchemes.has(scheme)) {
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throw new Error(`a provider for the scheme '${scheme}' is already registered`);
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}
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const handle = this._handlePool++;
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this._linkProvider.add(scheme);
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this._usedSchemes.add(scheme);
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this._fsProvider.set(handle, provider);
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let capabilites = files.FileSystemProviderCapabilities.FileReadWrite;
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if (options.isCaseSensitive) {
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capabilites += files.FileSystemProviderCapabilities.PathCaseSensitive;
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}
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if (typeof provider.copy === 'function') {
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capabilites += files.FileSystemProviderCapabilities.FileFolderCopy;
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}
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this._proxy.$registerFileSystemProvider(handle, scheme, capabilites);
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const subscription = provider.onDidChangeFile(event => {
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let mapped: IFileChangeDto[] = [];
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for (const e of event) {
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let { uri: resource, type } = e;
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if (resource.scheme !== scheme) {
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// dropping events for wrong scheme
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continue;
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}
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let newType: files.FileChangeType;
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switch (type) {
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case FileChangeType.Changed:
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newType = files.FileChangeType.UPDATED;
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break;
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case FileChangeType.Created:
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newType = files.FileChangeType.ADDED;
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break;
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case FileChangeType.Deleted:
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newType = files.FileChangeType.DELETED;
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break;
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}
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mapped.push({ resource, type: newType });
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}
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this._proxy.$onFileSystemChange(handle, mapped);
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});
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return {
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dispose: () => {
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subscription.dispose();
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this._linkProvider.delete(scheme);
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this._usedSchemes.delete(scheme);
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this._fsProvider.delete(handle);
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this._proxy.$unregisterProvider(handle);
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}
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};
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}
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private static _asIStat(stat: vscode.FileStat): files.IStat {
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const { type, ctime, mtime, size } = stat;
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return { type, ctime, mtime, size };
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}
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$stat(handle: number, resource: UriComponents): TPromise<files.IStat, any> {
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return asWinJsPromise(token => this._fsProvider.get(handle).stat(URI.revive(resource))).then(ExtHostFileSystem._asIStat);
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}
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$readdir(handle: number, resource: UriComponents): TPromise<[string, files.FileType][], any> {
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return asWinJsPromise(token => this._fsProvider.get(handle).readDirectory(URI.revive(resource)));
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}
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$readFile(handle: number, resource: UriComponents): TPromise<string> {
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return asWinJsPromise(token => {
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return this._fsProvider.get(handle).readFile(URI.revive(resource));
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}).then(data => {
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return Buffer.isBuffer(data) ? data.toString('base64') : Buffer.from(data.buffer, data.byteOffset, data.byteLength).toString('base64');
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});
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}
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$writeFile(handle: number, resource: UriComponents, base64Content: string, opts: files.FileWriteOptions): TPromise<void, any> {
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return asWinJsPromise(token => this._fsProvider.get(handle).writeFile(URI.revive(resource), Buffer.from(base64Content, 'base64'), opts));
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}
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$delete(handle: number, resource: UriComponents): TPromise<void, any> {
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return asWinJsPromise(token => this._fsProvider.get(handle).delete(URI.revive(resource), { recursive: true }));
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}
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$rename(handle: number, oldUri: UriComponents, newUri: UriComponents, opts: files.FileOverwriteOptions): TPromise<void, any> {
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return asWinJsPromise(token => this._fsProvider.get(handle).rename(URI.revive(oldUri), URI.revive(newUri), opts));
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}
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$copy(handle: number, oldUri: UriComponents, newUri: UriComponents, opts: files.FileOverwriteOptions): TPromise<void, any> {
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return asWinJsPromise(token => this._fsProvider.get(handle).copy(URI.revive(oldUri), URI.revive(newUri), opts));
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}
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$mkdir(handle: number, resource: UriComponents): TPromise<void, any> {
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return asWinJsPromise(token => this._fsProvider.get(handle).createDirectory(URI.revive(resource)));
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}
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$watch(handle: number, session: number, resource: UriComponents, opts: files.IWatchOptions): void {
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asWinJsPromise(token => {
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let subscription = this._fsProvider.get(handle).watch(URI.revive(resource), opts);
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this._watches.set(session, subscription);
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});
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}
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$unwatch(handle: number, session: number): void {
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let subscription = this._watches.get(session);
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if (subscription) {
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subscription.dispose();
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this._watches.delete(session);
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}
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}
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}
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