* Add support for structured-content data attributes * Assign dataset properties * Don't remove data-sc attributes * Use helper functions * Update test data
610 lines
22 KiB
JavaScript
610 lines
22 KiB
JavaScript
/*
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* Copyright (C) 2021 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* AnkiNoteDataCreator
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* CssStyleApplier
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* DictionaryDataUtil
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* Handlebars
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* JapaneseUtil
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* PronunciationGenerator
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* StructuredContentGenerator
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* TemplateRenderer
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* TemplateRendererMediaProvider
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*/
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/**
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* This class contains all Anki-specific template rendering functionality. It is built on
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* the generic TemplateRenderer class and various other Anki-related classes.
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*/
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class AnkiTemplateRenderer {
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/**
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* Creates a new instance of the class.
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*/
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constructor() {
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this._structuredContentStyleApplier = new CssStyleApplier('/data/structured-content-style.json');
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this._pronunciationStyleApplier = new CssStyleApplier('/data/pronunciation-style.json');
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this._structuredContentDatasetKeyIgnorePattern = /^sc([^a-z]|$)/;
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this._japaneseUtil = new JapaneseUtil(null);
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this._templateRenderer = new TemplateRenderer();
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this._ankiNoteDataCreator = new AnkiNoteDataCreator(this._japaneseUtil);
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this._mediaProvider = new TemplateRendererMediaProvider();
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this._pronunciationGenerator = new PronunciationGenerator(this._japaneseUtil);
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this._stateStack = null;
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this._requirements = null;
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this._cleanupCallbacks = null;
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this._temporaryElement = null;
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}
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/**
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* Gets the generic TemplateRenderer instance.
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*/
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get templateRenderer() {
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return this._templateRenderer;
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}
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/**
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* Prepares the data that is necessary before the template renderer can be safely used.
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*/
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async prepare() {
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this._templateRenderer.registerHelpers([
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['dumpObject', this._dumpObject.bind(this)],
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['furigana', this._furigana.bind(this)],
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['furiganaPlain', this._furiganaPlain.bind(this)],
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['kanjiLinks', this._kanjiLinks.bind(this)],
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['multiLine', this._multiLine.bind(this)],
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['sanitizeCssClass', this._sanitizeCssClass.bind(this)],
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['regexReplace', this._regexReplace.bind(this)],
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['regexMatch', this._regexMatch.bind(this)],
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['mergeTags', this._mergeTags.bind(this)],
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['eachUpTo', this._eachUpTo.bind(this)],
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['spread', this._spread.bind(this)],
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['op', this._op.bind(this)],
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['get', this._get.bind(this)],
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['set', this._set.bind(this)],
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['scope', this._scope.bind(this)],
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['property', this._property.bind(this)],
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['noop', this._noop.bind(this)],
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['isMoraPitchHigh', this._isMoraPitchHigh.bind(this)],
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['getKanaMorae', this._getKanaMorae.bind(this)],
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['typeof', this._getTypeof.bind(this)],
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['join', this._join.bind(this)],
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['concat', this._concat.bind(this)],
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['pitchCategories', this._pitchCategories.bind(this)],
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['formatGlossary', this._formatGlossary.bind(this)],
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['hasMedia', this._hasMedia.bind(this)],
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['getMedia', this._getMedia.bind(this)],
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['pronunciation', this._pronunciation.bind(this)],
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['hiragana', this._hiragana.bind(this)],
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['katakana', this._katakana.bind(this)]
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]);
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this._templateRenderer.registerDataType('ankiNote', {
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modifier: ({marker, commonData}) => this._ankiNoteDataCreator.create(marker, commonData),
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composeData: (marker, commonData) => ({marker, commonData})
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});
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this._templateRenderer.setRenderCallbacks(
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this._onRenderSetup.bind(this),
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this._onRenderCleanup.bind(this)
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);
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await Promise.all([
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this._structuredContentStyleApplier.prepare(),
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this._pronunciationStyleApplier.prepare()
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]);
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}
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// Private
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_onRenderSetup() {
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const requirements = [];
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this._stateStack = [new Map()];
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this._requirements = requirements;
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this._mediaProvider.requirements = requirements;
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this._cleanupCallbacks = [];
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return {requirements};
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}
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_onRenderCleanup() {
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for (const callback of this._cleanupCallbacks) { callback(); }
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this._stateStack = null;
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this._requirements = null;
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this._mediaProvider.requirements = null;
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this._cleanupCallbacks = null;
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}
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_escape(text) {
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return Handlebars.Utils.escapeExpression(text);
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}
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// Template helpers
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_dumpObject(context, options) {
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const dump = JSON.stringify(options.fn(context), null, 4);
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return this._escape(dump);
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}
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_furigana(context, ...args) {
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const {expression, reading} = this._getFuriganaExpressionAndReading(context, ...args);
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const segs = this._japaneseUtil.distributeFurigana(expression, reading);
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let result = '';
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for (const {text, reading: reading2} of segs) {
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if (reading2.length > 0) {
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result += `<ruby>${text}<rt>${reading2}</rt></ruby>`;
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} else {
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result += text;
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}
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}
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return result;
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}
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_furiganaPlain(context, ...args) {
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const {expression, reading} = this._getFuriganaExpressionAndReading(context, ...args);
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const segs = this._japaneseUtil.distributeFurigana(expression, reading);
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let result = '';
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for (const {text, reading: reading2} of segs) {
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if (reading2.length > 0) {
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if (result.length > 0) { result += ' '; }
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result += `${text}[${reading2}]`;
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} else {
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result += text;
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}
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}
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return result;
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}
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_getFuriganaExpressionAndReading(context, ...args) {
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const options = args[args.length - 1];
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if (args.length >= 3) {
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return {expression: args[0], reading: args[1]};
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} else {
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const {expression, reading} = options.fn(context);
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return {expression, reading};
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}
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}
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_kanjiLinks(context, options) {
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const jp = this._japaneseUtil;
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let result = '';
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for (const c of options.fn(context)) {
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if (jp.isCodePointKanji(c.codePointAt(0))) {
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result += `<a href="#" class="kanji-link">${c}</a>`;
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} else {
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result += c;
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}
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}
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return result;
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}
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_stringToMultiLineHtml(string) {
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return string.split('\n').join('<br>');
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}
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_multiLine(context, options) {
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return this._stringToMultiLineHtml(options.fn(context));
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}
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_sanitizeCssClass(context, options) {
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return options.fn(context).replace(/[^_a-z0-9\u00a0-\uffff]/ig, '_');
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}
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_regexReplace(context, ...args) {
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// Usage:
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// {{#regexReplace regex string [flags]}}content{{/regexReplace}}
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// regex: regular expression string
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// string: string to replace
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// flags: optional flags for regular expression
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// e.g. "i" for case-insensitive, "g" for replace all
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let value = args[args.length - 1].fn(context);
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if (args.length >= 3) {
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try {
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const flags = args.length > 3 ? args[2] : 'g';
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const regex = new RegExp(args[0], flags);
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value = value.replace(regex, args[1]);
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} catch (e) {
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return `${e}`;
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}
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}
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return value;
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}
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_regexMatch(context, ...args) {
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// Usage:
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// {{#regexMatch regex [flags]}}content{{/regexMatch}}
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// regex: regular expression string
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// flags: optional flags for regular expression
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// e.g. "i" for case-insensitive, "g" for match all
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let value = args[args.length - 1].fn(context);
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if (args.length >= 2) {
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try {
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const flags = args.length > 2 ? args[1] : '';
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const regex = new RegExp(args[0], flags);
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const parts = [];
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value.replace(regex, (g0) => parts.push(g0));
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value = parts.join('');
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} catch (e) {
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return `${e}`;
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}
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}
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return value;
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}
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_mergeTags(context, object, isGroupMode, isMergeMode) {
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const tagSources = [];
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if (isGroupMode || isMergeMode) {
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for (const definition of object.definitions) {
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tagSources.push(definition.definitionTags);
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}
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} else {
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tagSources.push(object.definitionTags);
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}
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const tags = new Set();
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for (const tagSource of tagSources) {
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if (!Array.isArray(tagSource)) { continue; }
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for (const tag of tagSource) {
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tags.add(tag.name);
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}
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}
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return [...tags].join(', ');
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}
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_eachUpTo(context, iterable, maxCount, options) {
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if (iterable) {
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const results = [];
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let any = false;
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for (const entry of iterable) {
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any = true;
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if (results.length >= maxCount) { break; }
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const processedEntry = options.fn(entry);
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results.push(processedEntry);
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}
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if (any) {
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return results.join('');
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}
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}
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return options.inverse(context);
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}
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_spread(context, ...args) {
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const result = [];
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for (let i = 0, ii = args.length - 1; i < ii; ++i) {
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try {
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result.push(...args[i]);
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} catch (e) {
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// NOP
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}
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}
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return result;
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}
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_op(context, ...args) {
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switch (args.length) {
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case 3: return this._evaluateUnaryExpression(args[0], args[1]);
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case 4: return this._evaluateBinaryExpression(args[0], args[1], args[2]);
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case 5: return this._evaluateTernaryExpression(args[0], args[1], args[2], args[3]);
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default: return void 0;
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}
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}
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_evaluateUnaryExpression(operator, operand1) {
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switch (operator) {
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case '+': return +operand1;
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case '-': return -operand1;
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case '~': return ~operand1;
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case '!': return !operand1;
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default: return void 0;
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}
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}
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_evaluateBinaryExpression(operator, operand1, operand2) {
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switch (operator) {
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case '+': return operand1 + operand2;
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case '-': return operand1 - operand2;
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case '/': return operand1 / operand2;
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case '*': return operand1 * operand2;
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case '%': return operand1 % operand2;
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case '**': return operand1 ** operand2;
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case '==': return operand1 == operand2; // eslint-disable-line eqeqeq
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case '!=': return operand1 != operand2; // eslint-disable-line eqeqeq
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case '===': return operand1 === operand2;
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case '!==': return operand1 !== operand2;
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case '<': return operand1 < operand2;
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case '<=': return operand1 <= operand2;
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case '>': return operand1 > operand2;
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case '>=': return operand1 >= operand2;
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case '<<': return operand1 << operand2;
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case '>>': return operand1 >> operand2;
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case '>>>': return operand1 >>> operand2;
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case '&': return operand1 & operand2;
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case '|': return operand1 | operand2;
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case '^': return operand1 ^ operand2;
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case '&&': return operand1 && operand2;
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case '||': return operand1 || operand2;
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default: return void 0;
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}
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}
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_evaluateTernaryExpression(operator, operand1, operand2, operand3) {
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switch (operator) {
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case '?:': return operand1 ? operand2 : operand3;
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default: return void 0;
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}
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}
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_get(context, key) {
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const stateStack = this._stateStack;
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for (let i = stateStack.length; --i >= 0;) {
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const map = stateStack[i];
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if (map.has(key)) {
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return map.get(key);
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}
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}
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return void 0;
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}
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_set(context, ...args) {
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const stateStack = this._stateStack;
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switch (args.length) {
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case 2:
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{
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const [key, options] = args;
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const value = options.fn(context);
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stateStack[stateStack.length - 1].set(key, value);
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}
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break;
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case 3:
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{
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const [key, value] = args;
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stateStack[stateStack.length - 1].set(key, value);
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}
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break;
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}
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return '';
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}
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_scope(context, options) {
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const stateStack = this._stateStack;
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try {
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stateStack.push(new Map());
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return options.fn(context);
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} finally {
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if (stateStack.length > 1) {
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stateStack.pop();
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}
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}
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}
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_property(context, ...args) {
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const ii = args.length - 1;
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if (ii <= 0) { return void 0; }
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try {
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let value = args[0];
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for (let i = 1; i < ii; ++i) {
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value = value[args[i]];
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}
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return value;
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} catch (e) {
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return void 0;
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}
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}
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_noop(context, options) {
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return options.fn(context);
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}
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_isMoraPitchHigh(context, index, position) {
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return this._japaneseUtil.isMoraPitchHigh(index, position);
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}
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_getKanaMorae(context, text) {
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return this._japaneseUtil.getKanaMorae(`${text}`);
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}
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_getTypeof(context, ...args) {
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const ii = args.length - 1;
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const value = (ii > 0 ? args[0] : args[ii].fn(context));
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return typeof value;
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}
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_join(context, ...args) {
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return args.length > 1 ? args.slice(1, args.length - 1).flat().join(args[0]) : '';
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}
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_concat(context, ...args) {
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let result = '';
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for (let i = 0, ii = args.length - 1; i < ii; ++i) {
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result += args[i];
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}
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return result;
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}
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_pitchCategories(context, data) {
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const {pronunciations, headwords} = data.dictionaryEntry;
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const categories = new Set();
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for (const {headwordIndex, pitches} of pronunciations) {
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const {reading, wordClasses} = headwords[headwordIndex];
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const isVerbOrAdjective = DictionaryDataUtil.isNonNounVerbOrAdjective(wordClasses);
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for (const {position} of pitches) {
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const category = this._japaneseUtil.getPitchCategory(reading, position, isVerbOrAdjective);
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if (category !== null) {
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categories.add(category);
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}
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}
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}
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return [...categories];
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}
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_getTemporaryElement() {
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let element = this._temporaryElement;
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if (element === null) {
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element = document.createElement('div');
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this._temporaryElement = element;
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}
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return element;
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}
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_getStructuredContentHtml(node) {
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return this._getHtml(node, this._structuredContentStyleApplier, this._structuredContentDatasetKeyIgnorePattern);
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}
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_getPronunciationHtml(node) {
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return this._getHtml(node, this._pronunciationStyleApplier, null);
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}
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_getHtml(node, styleApplier, datasetKeyIgnorePattern) {
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const container = this._getTemporaryElement();
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container.appendChild(node);
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this._normalizeHtml(container, styleApplier, datasetKeyIgnorePattern);
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const result = container.innerHTML;
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container.textContent = '';
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return result;
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}
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_normalizeHtml(root, styleApplier, datasetKeyIgnorePattern) {
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const {ELEMENT_NODE, TEXT_NODE} = Node;
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const treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT);
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const elements = [];
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const textNodes = [];
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while (true) {
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const node = treeWalker.nextNode();
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if (node === null) { break; }
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switch (node.nodeType) {
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case ELEMENT_NODE:
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elements.push(node);
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break;
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case TEXT_NODE:
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textNodes.push(node);
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break;
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}
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}
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styleApplier.applyClassStyles(elements);
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for (const element of elements) {
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const {dataset} = element;
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for (const key of Object.keys(dataset)) {
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if (datasetKeyIgnorePattern !== null && datasetKeyIgnorePattern.test(key)) { continue; }
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delete dataset[key];
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}
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}
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for (const textNode of textNodes) {
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this._replaceNewlines(textNode);
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}
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}
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_replaceNewlines(textNode) {
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const parts = textNode.nodeValue.split('\n');
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if (parts.length <= 1) { return; }
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const {parentNode} = textNode;
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if (parentNode === null) { return; }
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const fragment = document.createDocumentFragment();
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for (let i = 0, ii = parts.length; i < ii; ++i) {
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if (i > 0) { fragment.appendChild(document.createElement('br')); }
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fragment.appendChild(document.createTextNode(parts[i]));
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}
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parentNode.replaceChild(fragment, textNode);
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}
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_createStructuredContentGenerator(data) {
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const mediaLoader = {
|
|
loadMedia: async (path, dictionary, onLoad, onUnload) => {
|
|
const imageUrl = this._mediaProvider.getMedia(data, ['dictionaryMedia', path], {dictionary, format: 'fileName', default: null});
|
|
if (imageUrl !== null) {
|
|
onLoad(imageUrl);
|
|
this._cleanupCallbacks.push(() => onUnload(true));
|
|
}
|
|
}
|
|
};
|
|
return new StructuredContentGenerator(mediaLoader, document);
|
|
}
|
|
|
|
_formatGlossary(context, dictionary, options) {
|
|
const data = options.data.root;
|
|
const content = options.fn(context);
|
|
if (typeof content === 'string') { return this._stringToMultiLineHtml(this._escape(content)); }
|
|
if (!(typeof content === 'object' && content !== null)) { return ''; }
|
|
switch (content.type) {
|
|
case 'image': return this._formatGlossaryImage(content, dictionary, data);
|
|
case 'structured-content': return this._formatStructuredContent(content, dictionary, data);
|
|
}
|
|
return '';
|
|
}
|
|
|
|
_formatGlossaryImage(content, dictionary, data) {
|
|
const structuredContentGenerator = this._createStructuredContentGenerator(data);
|
|
const node = structuredContentGenerator.createDefinitionImage(content, dictionary);
|
|
return this._getStructuredContentHtml(node);
|
|
}
|
|
|
|
_formatStructuredContent(content, dictionary, data) {
|
|
const structuredContentGenerator = this._createStructuredContentGenerator(data);
|
|
const node = structuredContentGenerator.createStructuredContent(content.content, dictionary);
|
|
return node !== null ? this._getStructuredContentHtml(node) : '';
|
|
}
|
|
|
|
_hasMedia(context, ...args) {
|
|
const ii = args.length - 1;
|
|
const options = args[ii];
|
|
return this._mediaProvider.hasMedia(options.data.root, args.slice(0, ii), options.hash);
|
|
}
|
|
|
|
_getMedia(context, ...args) {
|
|
const ii = args.length - 1;
|
|
const options = args[ii];
|
|
return this._mediaProvider.getMedia(options.data.root, args.slice(0, ii), options.hash);
|
|
}
|
|
|
|
_pronunciation(context, ...args) {
|
|
const ii = args.length - 1;
|
|
const options = args[ii];
|
|
let {format, reading, downstepPosition, nasalPositions, devoicePositions} = options.hash;
|
|
|
|
if (typeof reading !== 'string' || reading.length === 0) { return ''; }
|
|
if (typeof downstepPosition !== 'number') { return ''; }
|
|
if (!Array.isArray(nasalPositions)) { nasalPositions = []; }
|
|
if (!Array.isArray(devoicePositions)) { devoicePositions = []; }
|
|
const morae = this._japaneseUtil.getKanaMorae(reading);
|
|
|
|
switch (format) {
|
|
case 'text':
|
|
return this._getPronunciationHtml(this._pronunciationGenerator.createPronunciationText(morae, downstepPosition, nasalPositions, devoicePositions));
|
|
case 'graph':
|
|
return this._getPronunciationHtml(this._pronunciationGenerator.createPronunciationGraph(morae, downstepPosition));
|
|
case 'position':
|
|
return this._getPronunciationHtml(this._pronunciationGenerator.createPronunciationDownstepPosition(downstepPosition));
|
|
default:
|
|
return '';
|
|
}
|
|
}
|
|
|
|
_hiragana(context, ...args) {
|
|
const ii = args.length - 1;
|
|
const value = (ii > 0 ? args[0] : args[ii].fn(context));
|
|
return this._japaneseUtil.convertKatakanaToHiragana(value);
|
|
}
|
|
|
|
_katakana(context, ...args) {
|
|
const ii = args.length - 1;
|
|
const value = (ii > 0 ? args[0] : args[ii].fn(context));
|
|
return this._japaneseUtil.convertHiraganaToKatakana(value);
|
|
}
|
|
}
|