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code-server/lib/vscode/extensions/html-language-features/server/src/requests.ts

178 lines
4.8 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 { URI } from 'vscode-uri';
import { RequestType, Connection } from 'vscode-languageserver';
import { RuntimeEnvironment } from './htmlServer';
export namespace FsContentRequest {
export const type: RequestType<{ uri: string; encoding?: string; }, string, any, any> = new RequestType('fs/content');
}
export namespace FsStatRequest {
export const type: RequestType<string, FileStat, any, any> = new RequestType('fs/stat');
}
export namespace FsReadDirRequest {
export const type: RequestType<string, [string, FileType][], any, any> = new RequestType('fs/readDir');
}
export enum FileType {
/**
* The file type is unknown.
*/
Unknown = 0,
/**
* A regular file.
*/
File = 1,
/**
* A directory.
*/
Directory = 2,
/**
* A symbolic link to a file.
*/
SymbolicLink = 64
}
export interface FileStat {
/**
* The type of the file, e.g. is a regular file, a directory, or symbolic link
* to a file.
*/
type: FileType;
/**
* The creation timestamp in milliseconds elapsed since January 1, 1970 00:00:00 UTC.
*/
ctime: number;
/**
* The modification timestamp in milliseconds elapsed since January 1, 1970 00:00:00 UTC.
*/
mtime: number;
/**
* The size in bytes.
*/
size: number;
}
export interface RequestService {
getContent(uri: string, encoding?: string): Promise<string>;
stat(uri: string): Promise<FileStat>;
readDirectory(uri: string): Promise<[string, FileType][]>;
}
export function getRequestService(handledSchemas: string[], connection: Connection, runtime: RuntimeEnvironment): RequestService {
const builtInHandlers: { [protocol: string]: RequestService | undefined } = {};
for (let protocol of handledSchemas) {
if (protocol === 'file') {
builtInHandlers[protocol] = runtime.file;
} else if (protocol === 'http' || protocol === 'https') {
builtInHandlers[protocol] = runtime.http;
}
}
return {
async stat(uri: string): Promise<FileStat> {
const handler = builtInHandlers[getScheme(uri)];
if (handler) {
return handler.stat(uri);
}
const res = await connection.sendRequest(FsStatRequest.type, uri.toString());
return res;
},
readDirectory(uri: string): Promise<[string, FileType][]> {
const handler = builtInHandlers[getScheme(uri)];
if (handler) {
return handler.readDirectory(uri);
}
return connection.sendRequest(FsReadDirRequest.type, uri.toString());
},
getContent(uri: string, encoding?: string): Promise<string> {
const handler = builtInHandlers[getScheme(uri)];
if (handler) {
return handler.getContent(uri, encoding);
}
return connection.sendRequest(FsContentRequest.type, { uri: uri.toString(), encoding });
}
};
}
export function getScheme(uri: string) {
return uri.substr(0, uri.indexOf(':'));
}
export function dirname(uri: string) {
const lastIndexOfSlash = uri.lastIndexOf('/');
return lastIndexOfSlash !== -1 ? uri.substr(0, lastIndexOfSlash) : '';
}
export function basename(uri: string) {
const lastIndexOfSlash = uri.lastIndexOf('/');
return uri.substr(lastIndexOfSlash + 1);
}
const Slash = '/'.charCodeAt(0);
const Dot = '.'.charCodeAt(0);
export function extname(uri: string) {
for (let i = uri.length - 1; i >= 0; i--) {
const ch = uri.charCodeAt(i);
if (ch === Dot) {
if (i > 0 && uri.charCodeAt(i - 1) !== Slash) {
return uri.substr(i);
} else {
break;
}
} else if (ch === Slash) {
break;
}
}
return '';
}
export function isAbsolutePath(path: string) {
return path.charCodeAt(0) === Slash;
}
export function resolvePath(uriString: string, path: string): string {
if (isAbsolutePath(path)) {
const uri = URI.parse(uriString);
const parts = path.split('/');
return uri.with({ path: normalizePath(parts) }).toString();
}
return joinPath(uriString, path);
}
export function normalizePath(parts: string[]): string {
const newParts: string[] = [];
for (const part of parts) {
if (part.length === 0 || part.length === 1 && part.charCodeAt(0) === Dot) {
// ignore
} else if (part.length === 2 && part.charCodeAt(0) === Dot && part.charCodeAt(1) === Dot) {
newParts.pop();
} else {
newParts.push(part);
}
}
if (parts.length > 1 && parts[parts.length - 1].length === 0) {
newParts.push('');
}
let res = newParts.join('/');
if (parts[0].length === 0) {
res = '/' + res;
}
return res;
}
export function joinPath(uriString: string, ...paths: string[]): string {
const uri = URI.parse(uriString);
const parts = uri.path.split('/');
for (let path of paths) {
parts.push(...path.split('/'));
}
return uri.with({ path: normalizePath(parts) }).toString();
}