yomichan/ext/bg/js/handlebars.js
2017-10-24 12:49:10 +03:00

105 lines
3.1 KiB
JavaScript

/*
* Copyright (C) 2016-2017 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 <http://www.gnu.org/licenses/>.
*/
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;
}
function handlebarsKanjiLinks(options) {
let result = '';
for (const c of options.fn(this)) {
if (jpIsKanji(c)) {
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 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);
}
}
function handlebarsRenderStatic(name, data) {
handlebarsRegisterHelpers();
return Handlebars.templates[name](data).trim();
}
function handlebarsRenderDynamic(template, data) {
handlebarsRegisterHelpers();
Handlebars.yomichan_cache = Handlebars.yomichan_cache || {};
let instance = Handlebars.yomichan_cache[template];
if (!instance) {
instance = Handlebars.yomichan_cache[template] = Handlebars.compile(template);
}
return instance(data).trim();
}