算法评测平台前端。
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/*
* This file is part of SYZOJ.
*
* Copyright (c) 2016 Menci <huanghaorui301@gmail.com>
*
* SYZOJ is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* SYZOJ 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with SYZOJ. If not, see <http://www.gnu.org/licenses/>.
*/
'use strict';
Array.prototype.forEachAsync = Array.prototype.mapAsync = async function (fn) {
return Promise.all(this.map(fn));
};
let path = require('path');
let renderer = require('moemark-renderer');
let moment = require('moment');
let url = require('url');
let querystring = require('querystring');
let pygmentize = require('pygmentize-bundled-cached');
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let gravatar = require('gravatar');
let AdmZip = require('adm-zip');
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) + ";";
});
}
function highlightPygmentize(code, lang, cb) {
code = code.split('\t').join(' ');
pygmentize({
lang: lang,
format: 'html',
options: {
nowrap: true,
classprefix: 'pl-'
}
}, code, (err, res) => {
if (err) {
cb(escapeHTML(code));
} else {
cb(res);
}
});
}
renderer.config.highlight = highlightPygmentize;
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module.exports = {
resolvePath(s) {
let a = Array.from(arguments);
a.unshift(__dirname);
return path.resolve.apply(null, a);
},
markdown(obj, keys) {
let replaceUI = s => {
return s.split('<pre>').join('<div class="ui existing segment"><pre style="margin-top: 0; margin-bottom: 0; ">').split('</pre>').join('</pre></div>')
.split('<table>').join('<table class="ui table">')
.split('<blockquote>').join('<div class="ui message">').split('</blockquote>').join('</div>');
}
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return new Promise((resolve, reject) => {
if (!keys) {
if (!obj || !obj.trim()) resolve("");
else renderer(obj, s => {
resolve(replaceUI(s));
});
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} else {
let res = obj, cnt = 0;
for (let key of keys) {
if (res[key].trim()) {
cnt++;
renderer(res[key], (s) => {
res[key] = replaceUI(s);
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if (!--cnt) resolve(res);
});
}
}
}
});
},
formatDate(ts, format) {
let m = moment(ts * 1000);
m.locale('zh-cn');
return m.format(format || 'L H:mm:ss');
},
getCurrentTime() {
return parseInt(+new Date / 1000);
},
makeUrl(req_params, form) {
let res = '';
if (!req_params) res = '/';
else if (req_params.originalUrl) {
let u = url.parse(req_params.originalUrl);
res = u.pathname;
} else {
if (!Array.isArray(req_params)) req_params = [req_params];
for (let param of req_params) res += '/' + param;
}
let encoded = querystring.encode(form);
if (encoded) res += '?' + encoded;
return res;
},
escapeHTML: escapeHTML,
highlight(code, lang) {
return new Promise((resolve, reject) => {
highlightPygmentize(code, lang, res => {
resolve(res);
});
});
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},
gravatar(email, size) {
return gravatar.url(email, { s: size, d: 'mm' }).replace('www', 'cn');
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},
parseTestData(filename) {
let zip = new AdmZip(filename);
let list = zip.getEntries().filter(e => !e.isDirectory).map(e => e.entryName);
let lines = zip.readAsText('data_rule.txt').split('\r').join('').split('\n');
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if (lines.length < 3) throw 'Invalid data_rule.txt';
let numbers = lines[0].split(' ').filter(x => x);
let input = lines[1];
let output = lines[2];
let res = [];
for (let i of numbers) {
res[i] = {};
res[i].input = input.replace('#', i);
res[i].output = output.replace('#', i);
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if (!list.includes(res[i].input)) throw `Can't find file ${res[i].input}`;
if (!list.includes(res[i].output)) throw `Can't find file ${res[i].output}`;
}
return res.filter(x => x);
},
ansiToHTML(s) {
let Convert = require('ansi-to-html');
let convert = new Convert({ escapeXML: true });
return convert.toHtml(s);
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}
};