/* * Copyright (C) 2016-2020 Alex Yatskov <alex@foosoft.net> * Author: Alex Yatskov <alex@foosoft.net> * * 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 jpIsCharCodeKanji, jpDistributeFurigana, Handlebars*/ function handlebarsEscape(text) { return Handlebars.Utils.escapeExpression(text); } function handlebarsDumpObject(options) { const dump = JSON.stringify(options.fn(this), null, 4); return handlebarsEscape(dump); } function handlebarsFurigana(options) { const definition = options.fn(this); const segs = jpDistributeFurigana(definition.expression, definition.reading); let result = ''; for (const seg of segs) { if (seg.furigana) { result += `<ruby>${seg.text}<rt>${seg.furigana}</rt></ruby>`; } else { result += seg.text; } } return result; } function handlebarsFuriganaPlain(options) { const definition = options.fn(this); const segs = jpDistributeFurigana(definition.expression, definition.reading); let result = ''; for (const seg of segs) { if (seg.furigana) { result += ` ${seg.text}[${seg.furigana}]`; } else { result += seg.text; } } return result.trimLeft(); } function handlebarsKanjiLinks(options) { let result = ''; for (const c of options.fn(this)) { if (jpIsCharCodeKanji(c.charCodeAt(0))) { result += `<a href="#" class="kanji-link">${c}</a>`; } else { result += c; } } return result; } function handlebarsMultiLine(options) { return options.fn(this).split('\n').join('<br>'); } function handlebarsSanitizeCssClass(options) { return options.fn(this).replace(/[^_a-z0-9\u00a0-\uffff]/ig, '_'); } function handlebarsRegexReplace(...args) { // Usage: // {{#regexReplace regex string [flags]}}content{{/regexReplace}} // regex: regular expression string // string: string to replace // flags: optional flags for regular expression // e.g. "i" for case-insensitive, "g" for replace all let value = args[args.length - 1].fn(this); if (args.length >= 3) { try { const flags = args.length > 3 ? args[2] : 'g'; const regex = new RegExp(args[0], flags); value = value.replace(regex, args[1]); } catch (e) { return `${e}`; } } return value; } function handlebarsRegexMatch(...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(this); 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; } function handlebarsRegisterHelpers() { if (Handlebars.partials !== Handlebars.templates) { Handlebars.partials = Handlebars.templates; Handlebars.registerHelper('dumpObject', handlebarsDumpObject); Handlebars.registerHelper('furigana', handlebarsFurigana); Handlebars.registerHelper('furiganaPlain', handlebarsFuriganaPlain); Handlebars.registerHelper('kanjiLinks', handlebarsKanjiLinks); Handlebars.registerHelper('multiLine', handlebarsMultiLine); Handlebars.registerHelper('sanitizeCssClass', handlebarsSanitizeCssClass); Handlebars.registerHelper('regexReplace', handlebarsRegexReplace); Handlebars.registerHelper('regexMatch', handlebarsRegexMatch); } } function handlebarsRenderDynamic(template, data) { handlebarsRegisterHelpers(); const cache = handlebarsRenderDynamic._cache; let instance = cache.get(template); if (typeof instance === 'undefined') { instance = Handlebars.compile(template); cache.set(template, instance); } return instance(data).trim(); } handlebarsRenderDynamic._cache = new Map();