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var _ = require('lodash');
var cheerio = require('cheerio');
var convert = require('./utils/convert');
// parse a ul list and return list of chapters recursvely
function parseList($ul, $) {
var articles = [];
$ul.children("li").each(function() {
var article = {};
var $li = $(this);
var $p = $li.children("p");
article.title = $p.text();
// Parse link
var $a = $p.children("a");
if ($a.length > 0) {
article.title = $a.first().text();
article.path = $a.attr("href").replace(/\\/g, '/').replace(/^\/+/, '')
}
// Sub articles
var $sub = $li.children(".olist").children("ol");
article.articles = parseList($sub, $);
articles.push(article);
});
return articles;
}
function parseSummary(src) {
var chapters = parseEntries(src);
return {
chapters: chapters
};
}
function parseEntries (src) {
var html = convert(src);
var $ = cheerio.load(html);
var chapters = parseList($("ol").first(), $);
return chapters;
}
function summaryToText(summary) {
var bl = "\n";
var content = "= Summary"+bl+bl;
var _base = function(article) {
if (article.path) {
return "link:"+article.path+"["+article.title+"]";
} else {
return article.title;
}
};
var convertArticle = function(article, d) {
content = content + Array(d+2).join(".") + " " + _base(article)+bl;
_.each(article.articles, function(_article) {
convertArticle(_article, d + 1);
});
};
_.each(summary.chapters, function(chapter) {
convertArticle(chapter, 0);
});
content = content+bl;
return content;
};
module.exports = parseSummary;
module.exports.entries = parseEntries;
module.exports.toText = summaryToText;
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