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/*
* This file is part of moemark-renderer.
*
* Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
*
* moemark-renderer 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.
*
* moemark-renderer 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 moemark-renderer. If not, see <http://www.gnu.org/licenses/>.
*/
const pygmentize = require('pygmentize-bundled-cached');
function escapeHTML(s) {
// Code from http://stackoverflow.com/questions/5251520/how-do-i-escape-some-html-in-javascript/5251551
return s.replace(/[^0-9A-Za-z ]/g, (c) => {
return "&#" + c.charCodeAt(0) + ";";
});
}
module.exports = (code, lang, cb) => {
pygmentize({
lang: lang,
format: 'html',
options: {
nowrap: true,
classprefix: 'pl-'
}
}, code, (err, res) => {
if (err || res.toString() === 'undefined') {
cb(escapeHTML(code));
} else {
cb(res);
}
});
}