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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as minimist from 'minimist';
import { localize } from 'vs/nls';
import { isWindows } from 'vs/base/common/platform';
import { NativeParsedArgs } from 'vs/platform/environment/common/argv';
/**
* This code is also used by standalone cli's. Avoid adding any other dependencies.
*/
const helpCategories = {
o: localize('optionsUpperCase', "Options"),
e: localize('extensionsManagement', "Extensions Management"),
t: localize('troubleshooting', "Troubleshooting")
};
export interface Option<OptionType> {
type: OptionType;
alias?: string;
deprecates?: string; // old deprecated id
args?: string | string[];
description?: string;
cat?: keyof typeof helpCategories;
}
export type OptionDescriptions<T> = {
[P in keyof T]: Option<OptionTypeName<T[P]>>;
};
type OptionTypeName<T> =
T extends boolean ? 'boolean' :
T extends string ? 'string' :
T extends string[] ? 'string[]' :
T extends undefined ? 'undefined' :
'unknown';
export const OPTIONS: OptionDescriptions<Required<NativeParsedArgs>> = {
'diff': { type: 'boolean', cat: 'o', alias: 'd', args: ['file', 'file'], description: localize('diff', "Compare two files with each other.") },
'add': { type: 'boolean', cat: 'o', alias: 'a', args: 'folder', description: localize('add', "Add folder(s) to the last active window.") },
'goto': { type: 'boolean', cat: 'o', alias: 'g', args: 'file:line[:character]', description: localize('goto', "Open a file at the path on the specified line and character position.") },
'new-window': { type: 'boolean', cat: 'o', alias: 'n', description: localize('newWindow', "Force to open a new window.") },
'reuse-window': { type: 'boolean', cat: 'o', alias: 'r', description: localize('reuseWindow', "Force to open a file or folder in an already opened window.") },
'folder-uri': { type: 'string[]', cat: 'o', args: 'uri', description: localize('folderUri', "Opens a window with given folder uri(s)") },
'file-uri': { type: 'string[]', cat: 'o', args: 'uri', description: localize('fileUri', "Opens a window with given file uri(s)") },
'wait': { type: 'boolean', cat: 'o', alias: 'w', description: localize('wait', "Wait for the files to be closed before returning.") },
'waitMarkerFilePath': { type: 'string' },
'locale': { type: 'string', cat: 'o', args: 'locale', description: localize('locale', "The locale to use (e.g. en-US or zh-TW).") },
'user-data-dir': { type: 'string', cat: 'o', args: 'dir', description: localize('userDataDir', "Specifies the directory that user data is kept in. Can be used to open multiple distinct instances of Code.") },
'help': { type: 'boolean', cat: 'o', alias: 'h', description: localize('help', "Print usage.") },
'extensions-dir': { type: 'string', deprecates: 'extensionHomePath', cat: 'e', args: 'dir', description: localize('extensionHomePath', "Set the root path for extensions.") },
'extensions-download-dir': { type: 'string' },
'builtin-extensions-dir': { type: 'string' },
'list-extensions': { type: 'boolean', cat: 'e', description: localize('listExtensions', "List the installed extensions.") },
'show-versions': { type: 'boolean', cat: 'e', description: localize('showVersions', "Show versions of installed extensions, when using --list-extension.") },
'category': { type: 'string', cat: 'e', description: localize('category', "Filters installed extensions by provided category, when using --list-extension.") },
'install-extension': { type: 'string[]', cat: 'e', args: 'extension-id[@version] | path-to-vsix', description: localize('installExtension', "Installs or updates the extension. Use `--force` argument to avoid prompts. The identifier of an extension is always `${publisher}.${name}`. To install a specific version provide `@${version}`. For example: 'vscode.csharp@1.2.3'.") },
'uninstall-extension': { type: 'string[]', cat: 'e', args: 'extension-id', description: localize('uninstallExtension', "Uninstalls an extension.") },
'enable-proposed-api': { type: 'string[]', cat: 'e', args: 'extension-id', description: localize('experimentalApis', "Enables proposed API features for extensions. Can receive one or more extension IDs to enable individually.") },
'version': { type: 'boolean', cat: 't', alias: 'v', description: localize('version', "Print version.") },
'verbose': { type: 'boolean', cat: 't', description: localize('verbose', "Print verbose output (implies --wait).") },
'log': { type: 'string', cat: 't', args: 'level', description: localize('log', "Log level to use. Default is 'info'. Allowed values are 'critical', 'error', 'warn', 'info', 'debug', 'trace', 'off'.") },
'status': { type: 'boolean', alias: 's', cat: 't', description: localize('status', "Print process usage and diagnostics information.") },
'prof-startup': { type: 'boolean', cat: 't', description: localize('prof-startup', "Run CPU profiler during startup") },
'prof-append-timers': { type: 'string' },
'prof-startup-prefix': { type: 'string' },
'disable-extensions': { type: 'boolean', deprecates: 'disableExtensions', cat: 't', description: localize('disableExtensions', "Disable all installed extensions.") },
'disable-extension': { type: 'string[]', cat: 't', args: 'extension-id', description: localize('disableExtension', "Disable an extension.") },
'sync': { type: 'string', cat: 't', description: localize('turn sync', "Turn sync on or off"), args: ['on', 'off'] },
'inspect-extensions': { type: 'string', deprecates: 'debugPluginHost', args: 'port', cat: 't', description: localize('inspect-extensions', "Allow debugging and profiling of extensions. Check the developer tools for the connection URI.") },
'inspect-brk-extensions': { type: 'string', deprecates: 'debugBrkPluginHost', args: 'port', cat: 't', description: localize('inspect-brk-extensions', "Allow debugging and profiling of extensions with the extension host being paused after start. Check the developer tools for the connection URI.") },
'disable-gpu': { type: 'boolean', cat: 't', description: localize('disableGPU', "Disable GPU hardware acceleration.") },
'max-memory': { type: 'string', cat: 't', description: localize('maxMemory', "Max memory size for a window (in Mbytes).") },
'telemetry': { type: 'boolean', cat: 't', description: localize('telemetry', "Shows all telemetry events which VS code collects.") },
'remote': { type: 'string' },
'locate-extension': { type: 'string[]' },
'extensionDevelopmentPath': { type: 'string[]' },
'extensionTestsPath': { type: 'string' },
'debugId': { type: 'string' },
'inspect-search': { type: 'string', deprecates: 'debugSearch' },
'inspect-brk-search': { type: 'string', deprecates: 'debugBrkSearch' },
'export-default-configuration': { type: 'string' },
'install-source': { type: 'string' },
'driver': { type: 'string' },
'logExtensionHostCommunication': { type: 'boolean' },
'skip-release-notes': { type: 'boolean' },
'disable-telemetry': { type: 'boolean' },
'disable-updates': { type: 'boolean' },
'disable-crash-reporter': { type: 'boolean' },
'crash-reporter-directory': { type: 'string' },
'crash-reporter-id': { type: 'string' },
'disable-user-env-probe': { type: 'boolean' },
'skip-add-to-recently-opened': { type: 'boolean' },
'unity-launch': { type: 'boolean' },
'open-url': { type: 'boolean' },
'file-write': { type: 'boolean' },
'file-chmod': { type: 'boolean' },
'driver-verbose': { type: 'boolean' },
'force': { type: 'boolean' },
'do-not-sync': { type: 'boolean' },
'trace': { type: 'boolean' },
'trace-category-filter': { type: 'string' },
'trace-options': { type: 'string' },
'force-user-env': { type: 'boolean' },
'open-devtools': { type: 'boolean' },
'__sandbox': { type: 'boolean' },
// chromium flags
'no-proxy-server': { type: 'boolean' },
'proxy-server': { type: 'string' },
'proxy-bypass-list': { type: 'string' },
'proxy-pac-url': { type: 'string' },
'js-flags': { type: 'string' }, // chrome js flags
'inspect': { type: 'string' },
'inspect-brk': { type: 'string' },
'nolazy': { type: 'boolean' }, // node inspect
'force-device-scale-factor': { type: 'string' },
'force-renderer-accessibility': { type: 'boolean' },
'ignore-certificate-errors': { type: 'boolean' },
'allow-insecure-localhost': { type: 'boolean' },
'log-net-log': { type: 'string' },
'_urls': { type: 'string[]' },
_: { type: 'string[]' } // main arguments
};
export interface ErrorReporter {
onUnknownOption(id: string): void;
onMultipleValues(id: string, usedValue: string): void;
}
const ignoringReporter: ErrorReporter = {
onUnknownOption: () => { },
onMultipleValues: () => { }
};
export function parseArgs<T>(args: string[], options: OptionDescriptions<T>, errorReporter: ErrorReporter = ignoringReporter): T {
const alias: { [key: string]: string } = {};
const string: string[] = [];
const boolean: string[] = [];
for (let optionId in options) {
if (optionId[0] === '_') {
continue;
}
const o = options[optionId];
if (o.alias) {
alias[optionId] = o.alias;
}
if (o.type === 'string' || o.type === 'string[]') {
string.push(optionId);
if (o.deprecates) {
string.push(o.deprecates);
}
} else if (o.type === 'boolean') {
boolean.push(optionId);
if (o.deprecates) {
boolean.push(o.deprecates);
}
}
}
// remove aliases to avoid confusion
const parsedArgs = minimist(args, { string, boolean, alias });
const cleanedArgs: any = {};
const remainingArgs: any = parsedArgs;
// https://github.com/microsoft/vscode/issues/58177, https://github.com/microsoft/vscode/issues/106617
cleanedArgs._ = parsedArgs._.map(arg => String(arg)).filter(arg => arg.length > 0);
delete remainingArgs._;
for (let optionId in options) {
const o = options[optionId];
if (o.alias) {
delete remainingArgs[o.alias];
}
let val = remainingArgs[optionId];
if (o.deprecates && remainingArgs.hasOwnProperty(o.deprecates)) {
if (!val) {
val = remainingArgs[o.deprecates];
}
delete remainingArgs[o.deprecates];
}
if (typeof val !== 'undefined') {
if (o.type === 'string[]') {
if (val && !Array.isArray(val)) {
val = [val];
}
} else if (o.type === 'string') {
if (Array.isArray(val)) {
val = val.pop(); // take the last
errorReporter.onMultipleValues(optionId, val);
}
}
cleanedArgs[optionId] = val;
}
delete remainingArgs[optionId];
}
for (let key in remainingArgs) {
errorReporter.onUnknownOption(key);
}
return cleanedArgs;
}
function formatUsage(optionId: string, option: Option<any>) {
let args = '';
if (option.args) {
if (Array.isArray(option.args)) {
args = ` <${option.args.join('> <')}>`;
} else {
args = ` <${option.args}>`;
}
}
if (option.alias) {
return `-${option.alias} --${optionId}${args}`;
}
return `--${optionId}${args}`;
}
// exported only for testing
export function formatOptions(options: OptionDescriptions<any>, columns: number): string[] {
let maxLength = 0;
let usageTexts: [string, string][] = [];
for (const optionId in options) {
const o = options[optionId];
const usageText = formatUsage(optionId, o);
maxLength = Math.max(maxLength, usageText.length);
usageTexts.push([usageText, o.description!]);
}
let argLength = maxLength + 2/*left padding*/ + 1/*right padding*/;
if (columns - argLength < 25) {
// Use a condensed version on narrow terminals
return usageTexts.reduce<string[]>((r, ut) => r.concat([` ${ut[0]}`, ` ${ut[1]}`]), []);
}
let descriptionColumns = columns - argLength - 1;
let result: string[] = [];
for (const ut of usageTexts) {
let usage = ut[0];
let wrappedDescription = wrapText(ut[1], descriptionColumns);
let keyPadding = indent(argLength - usage.length - 2/*left padding*/);
result.push(' ' + usage + keyPadding + wrappedDescription[0]);
for (let i = 1; i < wrappedDescription.length; i++) {
result.push(indent(argLength) + wrappedDescription[i]);
}
}
return result;
}
function indent(count: number): string {
return (<any>' ').repeat(count);
}
function wrapText(text: string, columns: number): string[] {
let lines: string[] = [];
while (text.length) {
let index = text.length < columns ? text.length : text.lastIndexOf(' ', columns);
let line = text.slice(0, index).trim();
text = text.slice(index);
lines.push(line);
}
return lines;
}
export function buildHelpMessage(productName: string, executableName: string, version: string, options: OptionDescriptions<any>, isPipeSupported = true): string {
const columns = (process.stdout).isTTY && (process.stdout).columns || 80;
let help = [`${productName} ${version}`];
help.push('');
help.push(`${localize('usage', "Usage")}: ${executableName} [${localize('options', "options")}][${localize('paths', 'paths')}...]`);
help.push('');
if (isPipeSupported) {
if (isWindows) {
help.push(localize('stdinWindows', "To read output from another program, append '-' (e.g. 'echo Hello World | {0} -')", executableName));
} else {
help.push(localize('stdinUnix', "To read from stdin, append '-' (e.g. 'ps aux | grep code | {0} -')", executableName));
}
help.push('');
}
const optionsByCategory: { [P in keyof typeof helpCategories]?: OptionDescriptions<any> } = {};
for (const optionId in options) {
const o = options[optionId];
if (o.description && o.cat) {
let optionsByCat = optionsByCategory[o.cat];
if (!optionsByCat) {
optionsByCategory[o.cat] = optionsByCat = {};
}
optionsByCat[optionId] = o;
}
}
for (let helpCategoryKey in optionsByCategory) {
const key = <keyof typeof helpCategories>helpCategoryKey;
let categoryOptions = optionsByCategory[key];
if (categoryOptions) {
help.push(helpCategories[key]);
help.push(...formatOptions(categoryOptions, columns));
help.push('');
}
}
return help.join('\n');
}
export function buildVersionMessage(version: string | undefined, commit: string | undefined): string {
return `${version || localize('unknownVersion', "Unknown version")}\n${commit || localize('unknownCommit', "Unknown commit")}\n${process.arch}`;
}