173 lines
6.0 KiB
JavaScript
173 lines
6.0 KiB
JavaScript
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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import * as BrowserUtil from '../common/browser_util.js';
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import { Engine, EnginePromise } from '../common/engine.js';
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import * as EngineConst from '../common/engine_const.js';
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import * as FileUtil from '../common/file_util.js';
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import { SystemExternal } from '../common/system_external.js';
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import { DynamicCstr } from '../rule_engine/dynamic_cstr.js';
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import * as MathCompoundStore from '../rule_engine/math_compound_store.js';
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import { SpeechRuleEngine } from '../rule_engine/speech_rule_engine.js';
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import { completeLocale } from '../l10n/l10n.js';
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import * as AlphabetGenerator from './alphabet_generator.js';
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const addSymbols = {
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functions: MathCompoundStore.addFunctionRules,
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symbols: MathCompoundStore.addSymbolRules,
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units: MathCompoundStore.addUnitRules,
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si: (x) => x.forEach(MathCompoundStore.setSiPrefixes),
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messages: completeLocale,
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rules: SpeechRuleEngine.addStore,
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characters: MathCompoundStore.addCharacterRules
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};
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let _init = false;
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export function loadLocale() {
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return __awaiter(this, arguments, void 0, function* (locale = Engine.getInstance().locale) {
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if (!_init) {
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AlphabetGenerator.generateBase();
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_loadLocale(DynamicCstr.BASE_LOCALE);
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_init = true;
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}
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return EnginePromise.promises[DynamicCstr.BASE_LOCALE].then(() => __awaiter(this, void 0, void 0, function* () {
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const defLoc = Engine.getInstance().defaultLocale;
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if (defLoc) {
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_loadLocale(defLoc);
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return EnginePromise.promises[defLoc].then(() => __awaiter(this, void 0, void 0, function* () {
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_loadLocale(locale);
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return EnginePromise.promises[locale];
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}));
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}
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_loadLocale(locale);
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return EnginePromise.promises[locale];
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}));
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});
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}
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function _loadLocale(locale = Engine.getInstance().locale) {
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if (!EnginePromise.loaded[locale]) {
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EnginePromise.loaded[locale] = [false, false];
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MathCompoundStore.reset();
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retrieveMaps(locale);
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}
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}
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function loadMethod() {
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if (Engine.getInstance().customLoader) {
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return Engine.getInstance().customLoader;
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}
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return standardLoader();
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}
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export function standardLoader() {
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switch (Engine.getInstance().mode) {
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case EngineConst.Mode.ASYNC:
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return loadFile;
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case EngineConst.Mode.HTTP:
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return loadAjax;
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case EngineConst.Mode.SYNC:
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default:
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return loadFileSync;
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}
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}
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function retrieveFiles(locale) {
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const loader = loadMethod();
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const promise = new Promise((res) => {
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const inner = loader(locale);
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inner.then((str) => {
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parseMaps(str);
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EnginePromise.loaded[locale] = [true, true];
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res(locale);
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}, (_err) => {
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EnginePromise.loaded[locale] = [true, false];
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console.error(`Unable to load locale: ${locale}`);
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Engine.getInstance().locale = Engine.getInstance().defaultLocale;
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res(locale);
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});
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});
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EnginePromise.promises[locale] = promise;
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}
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function parseMaps(json) {
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const js = typeof json === 'string'
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? JSON.parse(json)
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: json;
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addMaps(js);
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}
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function addMaps(json, opt_locale) {
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let generate = true;
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for (let i = 0, key; (key = Object.keys(json)[i]); i++) {
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const info = key.split('/');
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if (opt_locale && opt_locale !== info[0]) {
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continue;
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}
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if (generate && info[1] === 'symbols' && info[0] !== 'base') {
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AlphabetGenerator.generate(info[0]);
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generate = false;
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}
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addSymbols[info[1]](json[key]);
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}
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}
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function retrieveMaps(locale) {
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if (Engine.getInstance().isIE &&
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Engine.getInstance().mode === EngineConst.Mode.HTTP) {
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getJsonIE_(locale);
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return;
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}
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retrieveFiles(locale);
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}
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function getJsonIE_(locale, opt_count) {
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let count = opt_count || 1;
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if (!BrowserUtil.mapsForIE) {
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if (count <= 5) {
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setTimeout((() => getJsonIE_(locale, count++)).bind(this), 300);
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}
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return;
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}
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addMaps(BrowserUtil.mapsForIE, locale);
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}
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function loadFile(locale) {
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const file = FileUtil.localePath(locale);
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return new Promise((res, rej) => {
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SystemExternal.fs.readFile(file, 'utf8', (err, json) => {
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if (err) {
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return rej(err);
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}
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res(json);
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});
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});
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}
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function loadFileSync(locale) {
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const file = FileUtil.localePath(locale);
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return new Promise((res, rej) => {
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let str = '{}';
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try {
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str = SystemExternal.fs.readFileSync(file, 'utf8');
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}
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catch (err) {
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return rej(err);
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}
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res(str);
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});
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}
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function loadAjax(locale) {
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const file = FileUtil.localePath(locale);
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const httpRequest = new XMLHttpRequest();
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return new Promise((res, rej) => {
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httpRequest.onreadystatechange = function () {
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if (httpRequest.readyState === 4) {
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const status = httpRequest.status;
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if (status === 0 || (status >= 200 && status < 400)) {
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res(httpRequest.responseText);
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}
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else {
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rej(status);
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}
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}
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};
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httpRequest.open('GET', file, true);
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httpRequest.send();
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});
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}
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