diff options
Diffstat (limited to 'ext/js/templates/sandbox')
| -rw-r--r-- | ext/js/templates/sandbox/anki-template-renderer.js | 555 | ||||
| -rw-r--r-- | ext/js/templates/sandbox/template-renderer-frame-main.js | 18 | ||||
| -rw-r--r-- | ext/js/templates/sandbox/template-renderer.js | 525 |
3 files changed, 583 insertions, 515 deletions
diff --git a/ext/js/templates/sandbox/anki-template-renderer.js b/ext/js/templates/sandbox/anki-template-renderer.js new file mode 100644 index 00000000..907ab0fa --- /dev/null +++ b/ext/js/templates/sandbox/anki-template-renderer.js @@ -0,0 +1,555 @@ +/* + * Copyright (C) 2021 Yomichan Authors + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +/* global + * AnkiNoteDataCreator + * CssStyleApplier + * DictionaryDataUtil + * Handlebars + * JapaneseUtil + * StructuredContentGenerator + * TemplateRenderer + * TemplateRendererMediaProvider + */ + +/** + * This class contains all Anki-specific template rendering functionality. It is built on + * the generic TemplateRenderer class and various other Anki-related classes. + */ +class AnkiTemplateRenderer { + /** + * Creates a new instance of the class. + */ + constructor() { + this._cssStyleApplier = new CssStyleApplier('/data/structured-content-style.json'); + this._japaneseUtil = new JapaneseUtil(null); + this._templateRenderer = new TemplateRenderer(); + this._ankiNoteDataCreator = new AnkiNoteDataCreator(this._japaneseUtil); + this._mediaProvider = new TemplateRendererMediaProvider(); + this._stateStack = null; + this._requirements = null; + this._cleanupCallbacks = null; + this._temporaryElement = null; + } + + /** + * Gets the generic TemplateRenderer instance. + */ + get templateRenderer() { + return this._templateRenderer; + } + + /** + * Prepares the data that is necessary before the template renderer can be safely used. + */ + async prepare() { + this._templateRenderer.registerHelpers([ + ['dumpObject', this._dumpObject.bind(this)], + ['furigana', this._furigana.bind(this)], + ['furiganaPlain', this._furiganaPlain.bind(this)], + ['kanjiLinks', this._kanjiLinks.bind(this)], + ['multiLine', this._multiLine.bind(this)], + ['sanitizeCssClass', this._sanitizeCssClass.bind(this)], + ['regexReplace', this._regexReplace.bind(this)], + ['regexMatch', this._regexMatch.bind(this)], + ['mergeTags', this._mergeTags.bind(this)], + ['eachUpTo', this._eachUpTo.bind(this)], + ['spread', this._spread.bind(this)], + ['op', this._op.bind(this)], + ['get', this._get.bind(this)], + ['set', this._set.bind(this)], + ['scope', this._scope.bind(this)], + ['property', this._property.bind(this)], + ['noop', this._noop.bind(this)], + ['isMoraPitchHigh', this._isMoraPitchHigh.bind(this)], + ['getKanaMorae', this._getKanaMorae.bind(this)], + ['typeof', this._getTypeof.bind(this)], + ['join', this._join.bind(this)], + ['concat', this._concat.bind(this)], + ['pitchCategories', this._pitchCategories.bind(this)], + ['formatGlossary', this._formatGlossary.bind(this)], + ['hasMedia', this._hasMedia.bind(this)], + ['getMedia', this._getMedia.bind(this)] + ]); + this._templateRenderer.registerDataType('ankiNote', { + modifier: ({marker, commonData}) => this._ankiNoteDataCreator.create(marker, commonData), + composeData: (marker, commonData) => ({marker, commonData}) + }); + this._templateRenderer.setRenderCallbacks( + this._onRenderSetup.bind(this), + this._onRenderCleanup.bind(this) + ); + await this._cssStyleApplier.prepare(); + } + + // Private + + _onRenderSetup() { + const requirements = []; + this._stateStack = [new Map()]; + this._requirements = requirements; + this._mediaProvider.requirements = requirements; + this._cleanupCallbacks = []; + return {requirements}; + } + + _onRenderCleanup() { + for (const callback of this._cleanupCallbacks) { callback(); } + this._stateStack = null; + this._requirements = null; + this._mediaProvider.requirements = null; + this._cleanupCallbacks = null; + } + + _escape(text) { + return Handlebars.Utils.escapeExpression(text); + } + + // Template helpers + + _dumpObject(context, options) { + const dump = JSON.stringify(options.fn(context), null, 4); + return this._escape(dump); + } + + _furigana(context, ...args) { + const {expression, reading} = this._getFuriganaExpressionAndReading(context, ...args); + const segs = this._japaneseUtil.distributeFurigana(expression, reading); + + let result = ''; + for (const {text, reading: reading2} of segs) { + if (reading2.length > 0) { + result += `<ruby>${text}<rt>${reading2}</rt></ruby>`; + } else { + result += text; + } + } + + return result; + } + + _furiganaPlain(context, ...args) { + const {expression, reading} = this._getFuriganaExpressionAndReading(context, ...args); + const segs = this._japaneseUtil.distributeFurigana(expression, reading); + + let result = ''; + for (const {text, reading: reading2} of segs) { + if (reading2.length > 0) { + if (result.length > 0) { result += ' '; } + result += `${text}[${reading2}]`; + } else { + result += text; + } + } + + return result; + } + + _getFuriganaExpressionAndReading(context, ...args) { + const options = args[args.length - 1]; + if (args.length >= 3) { + return {expression: args[0], reading: args[1]}; + } else { + const {expression, reading} = options.fn(context); + return {expression, reading}; + } + } + + _kanjiLinks(context, options) { + const jp = this._japaneseUtil; + let result = ''; + for (const c of options.fn(context)) { + if (jp.isCodePointKanji(c.codePointAt(0))) { + result += `<a href="#" class="kanji-link">${c}</a>`; + } else { + result += c; + } + } + + return result; + } + + _stringToMultiLineHtml(string) { + return string.split('\n').join('<br>'); + } + + _multiLine(context, options) { + return this._stringToMultiLineHtml(options.fn(context)); + } + + _sanitizeCssClass(context, options) { + return options.fn(context).replace(/[^_a-z0-9\u00a0-\uffff]/ig, '_'); + } + + _regexReplace(context, ...args) { + // Usage: + // {{#regexReplace regex string [flags]}}content{{/regexReplace}} + // regex: regular expression string + // string: string to replace + // flags: optional flags for regular expression + // e.g. "i" for case-insensitive, "g" for replace all + let value = args[args.length - 1].fn(context); + if (args.length >= 3) { + try { + const flags = args.length > 3 ? args[2] : 'g'; + const regex = new RegExp(args[0], flags); + value = value.replace(regex, args[1]); + } catch (e) { + return `${e}`; + } + } + return value; + } + + _regexMatch(context, ...args) { + // Usage: + // {{#regexMatch regex [flags]}}content{{/regexMatch}} + // regex: regular expression string + // flags: optional flags for regular expression + // e.g. "i" for case-insensitive, "g" for match all + let value = args[args.length - 1].fn(context); + if (args.length >= 2) { + try { + const flags = args.length > 2 ? args[1] : ''; + const regex = new RegExp(args[0], flags); + const parts = []; + value.replace(regex, (g0) => parts.push(g0)); + value = parts.join(''); + } catch (e) { + return `${e}`; + } + } + return value; + } + + _mergeTags(context, object, isGroupMode, isMergeMode) { + const tagSources = []; + if (isGroupMode || isMergeMode) { + for (const definition of object.definitions) { + tagSources.push(definition.definitionTags); + } + } else { + tagSources.push(object.definitionTags); + } + + const tags = new Set(); + for (const tagSource of tagSources) { + if (!Array.isArray(tagSource)) { continue; } + for (const tag of tagSource) { + tags.add(tag.name); + } + } + + return [...tags].join(', '); + } + + _eachUpTo(context, iterable, maxCount, options) { + if (iterable) { + const results = []; + let any = false; + for (const entry of iterable) { + any = true; + if (results.length >= maxCount) { break; } + const processedEntry = options.fn(entry); + results.push(processedEntry); + } + if (any) { + return results.join(''); + } + } + return options.inverse(context); + } + + _spread(context, ...args) { + const result = []; + for (let i = 0, ii = args.length - 1; i < ii; ++i) { + try { + result.push(...args[i]); + } catch (e) { + // NOP + } + } + return result; + } + + _op(context, ...args) { + switch (args.length) { + case 3: return this._evaluateUnaryExpression(args[0], args[1]); + case 4: return this._evaluateBinaryExpression(args[0], args[1], args[2]); + case 5: return this._evaluateTernaryExpression(args[0], args[1], args[2], args[3]); + default: return void 0; + } + } + + _evaluateUnaryExpression(operator, operand1) { + switch (operator) { + case '+': return +operand1; + case '-': return -operand1; + case '~': return ~operand1; + case '!': return !operand1; + default: return void 0; + } + } + + _evaluateBinaryExpression(operator, operand1, operand2) { + switch (operator) { + case '+': return operand1 + operand2; + case '-': return operand1 - operand2; + case '/': return operand1 / operand2; + case '*': return operand1 * operand2; + case '%': return operand1 % operand2; + case '**': return operand1 ** operand2; + case '==': return operand1 == operand2; // eslint-disable-line eqeqeq + case '!=': return operand1 != operand2; // eslint-disable-line eqeqeq + case '===': return operand1 === operand2; + case '!==': return operand1 !== operand2; + case '<': return operand1 < operand2; + case '<=': return operand1 <= operand2; + case '>': return operand1 > operand2; + case '>=': return operand1 >= operand2; + case '<<': return operand1 << operand2; + case '>>': return operand1 >> operand2; + case '>>>': return operand1 >>> operand2; + case '&': return operand1 & operand2; + case '|': return operand1 | operand2; + case '^': return operand1 ^ operand2; + case '&&': return operand1 && operand2; + case '||': return operand1 || operand2; + default: return void 0; + } + } + + _evaluateTernaryExpression(operator, operand1, operand2, operand3) { + switch (operator) { + case '?:': return operand1 ? operand2 : operand3; + default: return void 0; + } + } + + _get(context, key) { + const stateStack = this._stateStack; + for (let i = stateStack.length; --i >= 0;) { + const map = stateStack[i]; + if (map.has(key)) { + return map.get(key); + } + } + return void 0; + } + + _set(context, ...args) { + const stateStack = this._stateStack; + switch (args.length) { + case 2: + { + const [key, options] = args; + const value = options.fn(context); + stateStack[stateStack.length - 1].set(key, value); + } + break; + case 3: + { + const [key, value] = args; + stateStack[stateStack.length - 1].set(key, value); + } + break; + } + return ''; + } + + _scope(context, options) { + const stateStack = this._stateStack; + try { + stateStack.push(new Map()); + return options.fn(context); + } finally { + if (stateStack.length > 1) { + stateStack.pop(); + } + } + } + + _property(context, ...args) { + const ii = args.length - 1; + if (ii <= 0) { return void 0; } + + try { + let value = args[0]; + for (let i = 1; i < ii; ++i) { + value = value[args[i]]; + } + return value; + } catch (e) { + return void 0; + } + } + + _noop(context, options) { + return options.fn(context); + } + + _isMoraPitchHigh(context, index, position) { + return this._japaneseUtil.isMoraPitchHigh(index, position); + } + + _getKanaMorae(context, text) { + return this._japaneseUtil.getKanaMorae(`${text}`); + } + + _getTypeof(context, ...args) { + const ii = args.length - 1; + const value = (ii > 0 ? args[0] : args[ii].fn(context)); + return typeof value; + } + + _join(context, ...args) { + return args.length > 1 ? args.slice(1, args.length - 1).flat().join(args[0]) : ''; + } + + _concat(context, ...args) { + let result = ''; + for (let i = 0, ii = args.length - 1; i < ii; ++i) { + result += args[i]; + } + return result; + } + + _pitchCategories(context, data) { + const {pronunciations, headwords} = data.dictionaryEntry; + const categories = new Set(); + for (const {headwordIndex, pitches} of pronunciations) { + const {reading, wordClasses} = headwords[headwordIndex]; + const isVerbOrAdjective = DictionaryDataUtil.isNonNounVerbOrAdjective(wordClasses); + for (const {position} of pitches) { + const category = this._japaneseUtil.getPitchCategory(reading, position, isVerbOrAdjective); + if (category !== null) { + categories.add(category); + } + } + } + return [...categories]; + } + + _getTemporaryElement() { + let element = this._temporaryElement; + if (element === null) { + element = document.createElement('div'); + this._temporaryElement = element; + } + return element; + } + + _getHtml(node) { + const container = this._getTemporaryElement(); + container.appendChild(node); + this._normalizeHtml(container); + const result = container.innerHTML; + container.textContent = ''; + return result; + } + + _normalizeHtml(root) { + const {ELEMENT_NODE, TEXT_NODE} = Node; + const treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT); + const elements = []; + const textNodes = []; + while (true) { + const node = treeWalker.nextNode(); + if (node === null) { break; } + switch (node.nodeType) { + case ELEMENT_NODE: + elements.push(node); + break; + case TEXT_NODE: + textNodes.push(node); + break; + } + } + this._cssStyleApplier.applyClassStyles(elements); + for (const element of elements) { + const {dataset} = element; + for (const key of Object.keys(dataset)) { + delete dataset[key]; + } + } + for (const textNode of textNodes) { + this._replaceNewlines(textNode); + } + } + + _replaceNewlines(textNode) { + const parts = textNode.nodeValue.split('\n'); + if (parts.length <= 1) { return; } + const {parentNode} = textNode; + if (parentNode === null) { return; } + const fragment = document.createDocumentFragment(); + for (let i = 0, ii = parts.length; i < ii; ++i) { + if (i > 0) { fragment.appendChild(document.createElement('br')); } + fragment.appendChild(document.createTextNode(parts[i])); + } + parentNode.replaceChild(fragment, textNode); + } + + _createStructuredContentGenerator(data) { + 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._getHtml(node); + } + + _formatStructuredContent(content, dictionary, data) { + const structuredContentGenerator = this._createStructuredContentGenerator(data); + const node = structuredContentGenerator.createStructuredContent(content.content, dictionary); + return node !== null ? this._getHtml(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); + } +} diff --git a/ext/js/templates/sandbox/template-renderer-frame-main.js b/ext/js/templates/sandbox/template-renderer-frame-main.js index bb9cac3a..15fe7781 100644 --- a/ext/js/templates/sandbox/template-renderer-frame-main.js +++ b/ext/js/templates/sandbox/template-renderer-frame-main.js @@ -16,23 +16,13 @@ */ /* globals - * AnkiNoteDataCreator - * CssStyleApplier - * JapaneseUtil - * TemplateRenderer + * AnkiTemplateRenderer * TemplateRendererFrameApi */ (async () => { - const cssStyleApplier = new CssStyleApplier('/data/structured-content-style.json'); - await cssStyleApplier.prepare(); - const japaneseUtil = new JapaneseUtil(null); - const templateRenderer = new TemplateRenderer(japaneseUtil, cssStyleApplier); - const ankiNoteDataCreator = new AnkiNoteDataCreator(japaneseUtil); - templateRenderer.registerDataType('ankiNote', { - modifier: ({marker, commonData}) => ankiNoteDataCreator.create(marker, commonData), - composeData: (marker, commonData) => ({marker, commonData}) - }); - const templateRendererFrameApi = new TemplateRendererFrameApi(templateRenderer); + const ankiTemplateRenderer = new AnkiTemplateRenderer(); + await ankiTemplateRenderer.prepare(); + const templateRendererFrameApi = new TemplateRendererFrameApi(ankiTemplateRenderer.templateRenderer); templateRendererFrameApi.prepare(); })(); diff --git a/ext/js/templates/sandbox/template-renderer.js b/ext/js/templates/sandbox/template-renderer.js index 02471c97..adb6733a 100644 --- a/ext/js/templates/sandbox/template-renderer.js +++ b/ext/js/templates/sandbox/template-renderer.js @@ -16,31 +16,34 @@ */ /* global - * DictionaryDataUtil * Handlebars - * StructuredContentGenerator - * TemplateRendererMediaProvider */ class TemplateRenderer { - constructor(japaneseUtil, cssStyleApplier) { - this._japaneseUtil = japaneseUtil; - this._cssStyleApplier = cssStyleApplier; - this._mediaProvider = new TemplateRendererMediaProvider(); + constructor() { this._cache = new Map(); this._cacheMaxSize = 5; - this._helpersRegistered = false; - this._stateStack = null; this._dataTypes = new Map(); - this._requirements = null; - this._cleanupCallbacks = null; - this._temporaryElement = null; + this._renderSetup = null; + this._renderCleanup = null; + } + + registerHelpers(helpers) { + Handlebars.partials = Handlebars.templates; + for (const [name, helper] of helpers) { + this._registerHelper(name, helper); + } } registerDataType(name, {modifier=null, composeData=null}) { this._dataTypes.set(name, {modifier, composeData}); } + setRenderCallbacks(setup, cleanup) { + this._renderSetup = setup; + this._renderCleanup = cleanup; + } + render(template, data, type) { const instance = this._getTemplateInstance(template); data = this._getModifiedData(data, void 0, type); @@ -75,10 +78,6 @@ class TemplateRenderer { // Private _getTemplateInstance(template) { - if (!this._helpersRegistered) { - this._registerHelpers(); - } - const cache = this._cache; let instance = cache.get(template); if (typeof instance === 'undefined') { @@ -91,22 +90,18 @@ class TemplateRenderer { } _renderTemplate(instance, data) { - const cleanupCallbacks = []; - const requirements = []; + const renderSetup = this._renderSetup; + const renderCleanup = this._renderCleanup; + let result; + let additions1; + let additions2; try { - this._stateStack = [new Map()]; - this._requirements = requirements; - this._mediaProvider.requirements = requirements; - this._cleanupCallbacks = cleanupCallbacks; - const result = instance(data).trim(); - return {result, requirements}; + additions1 = (typeof renderSetup === 'function' ? renderSetup(data) : null); + result = instance(data).trim(); } finally { - for (const callback of cleanupCallbacks) { callback(); } - this._stateStack = null; - this._requirements = null; - this._mediaProvider.requirements = null; - this._cleanupCallbacks = null; + additions2 = (typeof renderCleanup === 'function' ? renderCleanup(data) : null); } + return Object.assign({result}, additions1, additions2); } _getModifiedData(data, commonData, type) { @@ -139,482 +134,10 @@ class TemplateRenderer { } } - _registerHelpers() { - Handlebars.partials = Handlebars.templates; - - const helpers = [ - ['dumpObject', this._dumpObject.bind(this)], - ['furigana', this._furigana.bind(this)], - ['furiganaPlain', this._furiganaPlain.bind(this)], - ['kanjiLinks', this._kanjiLinks.bind(this)], - ['multiLine', this._multiLine.bind(this)], - ['sanitizeCssClass', this._sanitizeCssClass.bind(this)], - ['regexReplace', this._regexReplace.bind(this)], - ['regexMatch', this._regexMatch.bind(this)], - ['mergeTags', this._mergeTags.bind(this)], - ['eachUpTo', this._eachUpTo.bind(this)], - ['spread', this._spread.bind(this)], - ['op', this._op.bind(this)], - ['get', this._get.bind(this)], - ['set', this._set.bind(this)], - ['scope', this._scope.bind(this)], - ['property', this._property.bind(this)], - ['noop', this._noop.bind(this)], - ['isMoraPitchHigh', this._isMoraPitchHigh.bind(this)], - ['getKanaMorae', this._getKanaMorae.bind(this)], - ['typeof', this._getTypeof.bind(this)], - ['join', this._join.bind(this)], - ['concat', this._concat.bind(this)], - ['pitchCategories', this._pitchCategories.bind(this)], - ['formatGlossary', this._formatGlossary.bind(this)], - ['hasMedia', this._hasMedia.bind(this)], - ['getMedia', this._getMedia.bind(this)] - ]; - - for (const [name, helper] of helpers) { - this._registerHelper(name, helper); - } - - this._helpersRegistered = true; - } - _registerHelper(name, helper) { function wrapper(...args) { return helper(this, ...args); } Handlebars.registerHelper(name, wrapper); } - - _escape(text) { - return Handlebars.Utils.escapeExpression(text); - } - - _dumpObject(context, options) { - const dump = JSON.stringify(options.fn(context), null, 4); - return this._escape(dump); - } - - _furigana(context, ...args) { - const {expression, reading} = this._getFuriganaExpressionAndReading(context, ...args); - const segs = this._japaneseUtil.distributeFurigana(expression, reading); - - let result = ''; - for (const {text, reading: reading2} of segs) { - if (reading2.length > 0) { - result += `<ruby>${text}<rt>${reading2}</rt></ruby>`; - } else { - result += text; - } - } - - return result; - } - - _furiganaPlain(context, ...args) { - const {expression, reading} = this._getFuriganaExpressionAndReading(context, ...args); - const segs = this._japaneseUtil.distributeFurigana(expression, reading); - - let result = ''; - for (const {text, reading: reading2} of segs) { - if (reading2.length > 0) { - if (result.length > 0) { result += ' '; } - result += `${text}[${reading2}]`; - } else { - result += text; - } - } - - return result; - } - - _getFuriganaExpressionAndReading(context, ...args) { - const options = args[args.length - 1]; - if (args.length >= 3) { - return {expression: args[0], reading: args[1]}; - } else { - const {expression, reading} = options.fn(context); - return {expression, reading}; - } - } - - _kanjiLinks(context, options) { - const jp = this._japaneseUtil; - let result = ''; - for (const c of options.fn(context)) { - if (jp.isCodePointKanji(c.codePointAt(0))) { - result += `<a href="#" class="kanji-link">${c}</a>`; - } else { - result += c; - } - } - - return result; - } - - _stringToMultiLineHtml(string) { - return string.split('\n').join('<br>'); - } - - _multiLine(context, options) { - return this._stringToMultiLineHtml(options.fn(context)); - } - - _sanitizeCssClass(context, options) { - return options.fn(context).replace(/[^_a-z0-9\u00a0-\uffff]/ig, '_'); - } - - _regexReplace(context, ...args) { - // Usage: - // {{#regexReplace regex string [flags]}}content{{/regexReplace}} - // regex: regular expression string - // string: string to replace - // flags: optional flags for regular expression - // e.g. "i" for case-insensitive, "g" for replace all - let value = args[args.length - 1].fn(context); - if (args.length >= 3) { - try { - const flags = args.length > 3 ? args[2] : 'g'; - const regex = new RegExp(args[0], flags); - value = value.replace(regex, args[1]); - } catch (e) { - return `${e}`; - } - } - return value; - } - - _regexMatch(context, ...args) { - // Usage: - // {{#regexMatch regex [flags]}}content{{/regexMatch}} - // regex: regular expression string - // flags: optional flags for regular expression - // e.g. "i" for case-insensitive, "g" for match all - let value = args[args.length - 1].fn(context); - if (args.length >= 2) { - try { - const flags = args.length > 2 ? args[1] : ''; - const regex = new RegExp(args[0], flags); - const parts = []; - value.replace(regex, (g0) => parts.push(g0)); - value = parts.join(''); - } catch (e) { - return `${e}`; - } - } - return value; - } - - _mergeTags(context, object, isGroupMode, isMergeMode) { - const tagSources = []; - if (isGroupMode || isMergeMode) { - for (const definition of object.definitions) { - tagSources.push(definition.definitionTags); - } - } else { - tagSources.push(object.definitionTags); - } - - const tags = new Set(); - for (const tagSource of tagSources) { - if (!Array.isArray(tagSource)) { continue; } - for (const tag of tagSource) { - tags.add(tag.name); - } - } - - return [...tags].join(', '); - } - - _eachUpTo(context, iterable, maxCount, options) { - if (iterable) { - const results = []; - let any = false; - for (const entry of iterable) { - any = true; - if (results.length >= maxCount) { break; } - const processedEntry = options.fn(entry); - results.push(processedEntry); - } - if (any) { - return results.join(''); - } - } - return options.inverse(context); - } - - _spread(context, ...args) { - const result = []; - for (let i = 0, ii = args.length - 1; i < ii; ++i) { - try { - result.push(...args[i]); - } catch (e) { - // NOP - } - } - return result; - } - - _op(context, ...args) { - switch (args.length) { - case 3: return this._evaluateUnaryExpression(args[0], args[1]); - case 4: return this._evaluateBinaryExpression(args[0], args[1], args[2]); - case 5: return this._evaluateTernaryExpression(args[0], args[1], args[2], args[3]); - default: return void 0; - } - } - - _evaluateUnaryExpression(operator, operand1) { - switch (operator) { - case '+': return +operand1; - case '-': return -operand1; - case '~': return ~operand1; - case '!': return !operand1; - default: return void 0; - } - } - - _evaluateBinaryExpression(operator, operand1, operand2) { - switch (operator) { - case '+': return operand1 + operand2; - case '-': return operand1 - operand2; - case '/': return operand1 / operand2; - case '*': return operand1 * operand2; - case '%': return operand1 % operand2; - case '**': return operand1 ** operand2; - case '==': return operand1 == operand2; // eslint-disable-line eqeqeq - case '!=': return operand1 != operand2; // eslint-disable-line eqeqeq - case '===': return operand1 === operand2; - case '!==': return operand1 !== operand2; - case '<': return operand1 < operand2; - case '<=': return operand1 <= operand2; - case '>': return operand1 > operand2; - case '>=': return operand1 >= operand2; - case '<<': return operand1 << operand2; - case '>>': return operand1 >> operand2; - case '>>>': return operand1 >>> operand2; - case '&': return operand1 & operand2; - case '|': return operand1 | operand2; - case '^': return operand1 ^ operand2; - case '&&': return operand1 && operand2; - case '||': return operand1 || operand2; - default: return void 0; - } - } - - _evaluateTernaryExpression(operator, operand1, operand2, operand3) { - switch (operator) { - case '?:': return operand1 ? operand2 : operand3; - default: return void 0; - } - } - - _get(context, key) { - for (let i = this._stateStack.length; --i >= 0;) { - const map = this._stateStack[i]; - if (map.has(key)) { - return map.get(key); - } - } - return void 0; - } - - _set(context, ...args) { - switch (args.length) { - case 2: - { - const [key, options] = args; - const value = options.fn(context); - this._stateStack[this._stateStack.length - 1].set(key, value); - } - break; - case 3: - { - const [key, value] = args; - this._stateStack[this._stateStack.length - 1].set(key, value); - } - break; - } - return ''; - } - - _scope(context, options) { - try { - this._stateStack.push(new Map()); - return options.fn(context); - } finally { - if (this._stateStack.length > 1) { - this._stateStack.pop(); - } - } - } - - _property(context, ...args) { - const ii = args.length - 1; - if (ii <= 0) { return void 0; } - - try { - let value = args[0]; - for (let i = 1; i < ii; ++i) { - value = value[args[i]]; - } - return value; - } catch (e) { - return void 0; - } - } - - _noop(context, options) { - return options.fn(context); - } - - _isMoraPitchHigh(context, index, position) { - return this._japaneseUtil.isMoraPitchHigh(index, position); - } - - _getKanaMorae(context, text) { - return this._japaneseUtil.getKanaMorae(`${text}`); - } - - _getTypeof(context, ...args) { - const ii = args.length - 1; - const value = (ii > 0 ? args[0] : args[ii].fn(context)); - return typeof value; - } - - _join(context, ...args) { - return args.length > 1 ? args.slice(1, args.length - 1).flat().join(args[0]) : ''; - } - - _concat(context, ...args) { - let result = ''; - for (let i = 0, ii = args.length - 1; i < ii; ++i) { - result += args[i]; - } - return result; - } - - _pitchCategories(context, data) { - const {pronunciations, headwords} = data.dictionaryEntry; - const categories = new Set(); - for (const {headwordIndex, pitches} of pronunciations) { - const {reading, wordClasses} = headwords[headwordIndex]; - const isVerbOrAdjective = DictionaryDataUtil.isNonNounVerbOrAdjective(wordClasses); - for (const {position} of pitches) { - const category = this._japaneseUtil.getPitchCategory(reading, position, isVerbOrAdjective); - if (category !== null) { - categories.add(category); - } - } - } - return [...categories]; - } - - _getTemporaryElement() { - let element = this._temporaryElement; - if (element === null) { - element = document.createElement('div'); - this._temporaryElement = element; - } - return element; - } - - _getHtml(node) { - const container = this._getTemporaryElement(); - container.appendChild(node); - this._normalizeHtml(container); - const result = container.innerHTML; - container.textContent = ''; - return result; - } - - _normalizeHtml(root) { - const {ELEMENT_NODE, TEXT_NODE} = Node; - const treeWalker = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT | NodeFilter.SHOW_TEXT); - const elements = []; - const textNodes = []; - while (true) { - const node = treeWalker.nextNode(); - if (node === null) { break; } - switch (node.nodeType) { - case ELEMENT_NODE: - elements.push(node); - break; - case TEXT_NODE: - textNodes.push(node); - break; - } - } - this._cssStyleApplier.applyClassStyles(elements); - for (const element of elements) { - const {dataset} = element; - for (const key of Object.keys(dataset)) { - delete dataset[key]; - } - } - for (const textNode of textNodes) { - this._replaceNewlines(textNode); - } - } - - _replaceNewlines(textNode) { - const parts = textNode.nodeValue.split('\n'); - if (parts.length <= 1) { return; } - const {parentNode} = textNode; - if (parentNode === null) { return; } - const fragment = document.createDocumentFragment(); - for (let i = 0, ii = parts.length; i < ii; ++i) { - if (i > 0) { fragment.appendChild(document.createElement('br')); } - fragment.appendChild(document.createTextNode(parts[i])); - } - parentNode.replaceChild(fragment, textNode); - } - - _createStructuredContentGenerator(data) { - 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._getHtml(node); - } - - _formatStructuredContent(content, dictionary, data) { - const structuredContentGenerator = this._createStructuredContentGenerator(data); - const node = structuredContentGenerator.createStructuredContent(content.content, dictionary); - return node !== null ? this._getHtml(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); - } } |