monaco-editor
Version:
A browser based code editor
242 lines (241 loc) • 10.8 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
}
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
import { onUnexpectedError } from '../../../base/common/errors.js';
import { Emitter } from '../../../base/common/event.js';
import { Disposable } from '../../../base/common/lifecycle.js';
import * as mime from '../../../base/common/mime.js';
import * as strings from '../../../base/common/strings.js';
import { LanguageIdentifier } from '../modes.js';
import { ModesRegistry } from '../modes/modesRegistry.js';
import { NULL_LANGUAGE_IDENTIFIER, NULL_MODE_ID } from '../modes/nullMode.js';
import { Extensions } from '../../../platform/configuration/common/configurationRegistry.js';
import { Registry } from '../../../platform/registry/common/platform.js';
var hasOwnProperty = Object.prototype.hasOwnProperty;
var LanguagesRegistry = /** @class */ (function (_super) {
__extends(LanguagesRegistry, _super);
function LanguagesRegistry(useModesRegistry, warnOnOverwrite) {
if (useModesRegistry === void 0) { useModesRegistry = true; }
if (warnOnOverwrite === void 0) { warnOnOverwrite = false; }
var _this = _super.call(this) || this;
_this._onDidChange = _this._register(new Emitter());
_this.onDidChange = _this._onDidChange.event;
_this._nextLanguageId = 1;
_this._languages = {};
_this._mimeTypesMap = {};
_this._nameMap = {};
_this._lowercaseNameMap = {};
_this._languageIds = [];
_this._warnOnOverwrite = warnOnOverwrite;
if (useModesRegistry) {
_this._registerLanguages(ModesRegistry.getLanguages());
_this._register(ModesRegistry.onDidAddLanguages(function (m) { return _this._registerLanguages(m); }));
}
return _this;
}
LanguagesRegistry.prototype._registerLanguages = function (desc) {
var _this = this;
if (desc.length === 0) {
return;
}
for (var i = 0; i < desc.length; i++) {
this._registerLanguage(desc[i]);
}
// Rebuild fast path maps
this._mimeTypesMap = {};
this._nameMap = {};
this._lowercaseNameMap = {};
Object.keys(this._languages).forEach(function (langId) {
var language = _this._languages[langId];
if (language.name) {
_this._nameMap[language.name] = language.identifier;
}
language.aliases.forEach(function (alias) {
_this._lowercaseNameMap[alias.toLowerCase()] = language.identifier;
});
language.mimetypes.forEach(function (mimetype) {
_this._mimeTypesMap[mimetype] = language.identifier;
});
});
Registry.as(Extensions.Configuration).registerOverrideIdentifiers(ModesRegistry.getLanguages().map(function (language) { return language.id; }));
this._onDidChange.fire();
};
LanguagesRegistry.prototype._registerLanguage = function (lang) {
var langId = lang.id;
var resolvedLanguage;
if (hasOwnProperty.call(this._languages, langId)) {
resolvedLanguage = this._languages[langId];
}
else {
var languageId = this._nextLanguageId++;
resolvedLanguage = {
identifier: new LanguageIdentifier(langId, languageId),
name: null,
mimetypes: [],
aliases: [],
extensions: [],
filenames: [],
configurationFiles: []
};
this._languageIds[languageId] = langId;
this._languages[langId] = resolvedLanguage;
}
this._mergeLanguage(resolvedLanguage, lang);
};
LanguagesRegistry.prototype._mergeLanguage = function (resolvedLanguage, lang) {
var _a;
var langId = lang.id;
var primaryMime = null;
if (Array.isArray(lang.mimetypes) && lang.mimetypes.length > 0) {
(_a = resolvedLanguage.mimetypes).push.apply(_a, lang.mimetypes);
primaryMime = lang.mimetypes[0];
}
if (!primaryMime) {
primaryMime = "text/x-" + langId;
resolvedLanguage.mimetypes.push(primaryMime);
}
if (Array.isArray(lang.extensions)) {
for (var _i = 0, _b = lang.extensions; _i < _b.length; _i++) {
var extension = _b[_i];
mime.registerTextMime({ id: langId, mime: primaryMime, extension: extension }, this._warnOnOverwrite);
resolvedLanguage.extensions.push(extension);
}
}
if (Array.isArray(lang.filenames)) {
for (var _c = 0, _d = lang.filenames; _c < _d.length; _c++) {
var filename = _d[_c];
mime.registerTextMime({ id: langId, mime: primaryMime, filename: filename }, this._warnOnOverwrite);
resolvedLanguage.filenames.push(filename);
}
}
if (Array.isArray(lang.filenamePatterns)) {
for (var _e = 0, _f = lang.filenamePatterns; _e < _f.length; _e++) {
var filenamePattern = _f[_e];
mime.registerTextMime({ id: langId, mime: primaryMime, filepattern: filenamePattern }, this._warnOnOverwrite);
}
}
if (typeof lang.firstLine === 'string' && lang.firstLine.length > 0) {
var firstLineRegexStr = lang.firstLine;
if (firstLineRegexStr.charAt(0) !== '^') {
firstLineRegexStr = '^' + firstLineRegexStr;
}
try {
var firstLineRegex = new RegExp(firstLineRegexStr);
if (!strings.regExpLeadsToEndlessLoop(firstLineRegex)) {
mime.registerTextMime({ id: langId, mime: primaryMime, firstline: firstLineRegex }, this._warnOnOverwrite);
}
}
catch (err) {
// Most likely, the regex was bad
onUnexpectedError(err);
}
}
resolvedLanguage.aliases.push(langId);
var langAliases = null;
if (typeof lang.aliases !== 'undefined' && Array.isArray(lang.aliases)) {
if (lang.aliases.length === 0) {
// signal that this language should not get a name
langAliases = [null];
}
else {
langAliases = lang.aliases;
}
}
if (langAliases !== null) {
for (var i = 0; i < langAliases.length; i++) {
var langAlias = langAliases[i];
if (!langAlias || langAlias.length === 0) {
continue;
}
resolvedLanguage.aliases.push(langAlias);
}
}
var containsAliases = (langAliases !== null && langAliases.length > 0);
if (containsAliases && langAliases[0] === null) {
// signal that this language should not get a name
}
else {
var bestName = (containsAliases ? langAliases[0] : null) || langId;
if (containsAliases || !resolvedLanguage.name) {
resolvedLanguage.name = bestName;
}
}
if (lang.configuration) {
resolvedLanguage.configurationFiles.push(lang.configuration);
}
};
LanguagesRegistry.prototype.isRegisteredMode = function (mimetypeOrModeId) {
// Is this a known mime type ?
if (hasOwnProperty.call(this._mimeTypesMap, mimetypeOrModeId)) {
return true;
}
// Is this a known mode id ?
return hasOwnProperty.call(this._languages, mimetypeOrModeId);
};
LanguagesRegistry.prototype.getModeIdForLanguageNameLowercase = function (languageNameLower) {
if (!hasOwnProperty.call(this._lowercaseNameMap, languageNameLower)) {
return null;
}
return this._lowercaseNameMap[languageNameLower].language;
};
LanguagesRegistry.prototype.extractModeIds = function (commaSeparatedMimetypesOrCommaSeparatedIds) {
var _this = this;
if (!commaSeparatedMimetypesOrCommaSeparatedIds) {
return [];
}
return (commaSeparatedMimetypesOrCommaSeparatedIds.
split(',').
map(function (mimeTypeOrId) { return mimeTypeOrId.trim(); }).
map(function (mimeTypeOrId) {
if (hasOwnProperty.call(_this._mimeTypesMap, mimeTypeOrId)) {
return _this._mimeTypesMap[mimeTypeOrId].language;
}
return mimeTypeOrId;
}).
filter(function (modeId) {
return hasOwnProperty.call(_this._languages, modeId);
}));
};
LanguagesRegistry.prototype.getLanguageIdentifier = function (_modeId) {
if (_modeId === NULL_MODE_ID || _modeId === 0 /* Null */) {
return NULL_LANGUAGE_IDENTIFIER;
}
var modeId;
if (typeof _modeId === 'string') {
modeId = _modeId;
}
else {
modeId = this._languageIds[_modeId];
if (!modeId) {
return null;
}
}
if (!hasOwnProperty.call(this._languages, modeId)) {
return null;
}
return this._languages[modeId].identifier;
};
LanguagesRegistry.prototype.getModeIdsFromFilepathOrFirstLine = function (filepath, firstLine) {
if (!filepath && !firstLine) {
return [];
}
var mimeTypes = mime.guessMimeTypes(filepath, firstLine);
return this.extractModeIds(mimeTypes.join(','));
};
return LanguagesRegistry;
}(Disposable));
export { LanguagesRegistry };