function compile(md){
var renderer = new rs.HtmlRenderer();
renderer.blockcode = function(code, lang){
if (!lang) return '<pre><code>' + code + '</code></pre>\n';
if (lang == 'js') lang = 'javascript';
else if (lang == 'html') lang = 'xml';
else if (lang == 'shell') lang = 'bash';
code = hljs.highlight(lang, code).value.trim();
return '<pre><code class="' + lang + '">' + code + '</code></pre>\n';
};
var sidebar = '';
var links = {};
renderer.header = function(text, level){
if (level <= 2){
// handle duplicate headers
var link = slug(text);
if (links[link]) link += '-' + links[link]++;
else links[link] = 1;
sidebar += '<a href="#' + link + '"' + (level == 1 ? ' class="top"' : '') + '>' + text + '</a>\n';
text = '<a href="#' + link + '" name="' + link + '">' + text + '</a>';
}
return '<h' + level + '>' + text + '</h' + level + '>\n';
};
var parser = new rs.Markdown(renderer, [rs.EXT_FENCED_CODE]);
var html = parser.render(md);
return {content: html, toc: sidebar};
}
markdown: function(text) {
var renderer = new rs.HtmlRenderer([rs.HTML_USE_XHTML]);
var parser = new rs.Markdown(
renderer,
[
rs.EXT_FENCED_CODE, rs.EXT_TABLES,
rs.EXT_AUTOLINK, rs.EXT_NO_INTRA_EMPHASIS,
rs.EXT_STRIKETHROUGH
]
);
return parser.render(text);
},
var render = exports.render = function (markdown, withToc, singleColumn) {
var title;
var lastList;
var inTOC = false;
var renderer = new Robotskirt.HtmlRenderer();
// Pre-highlight code blocks
renderer.blockcode = function (code, language) {
var block = '<pre';
if (singleColumn) {
block += ' class="single-column"';
}
block += '><code>' + Highlight.highlight(language || 'js', code).value + '</code></pre>';
return block;
};
// Wrap lists in 'ul' tags, track the last list for TOC if we care
renderer.list = function (text) {
var list = '<ul>' + text + '</ul>';
if (inTOC && withToc) {
lastList = list;
}
return list;
};
// Escape text to make sure we have an anchor link for all headers
// TOC is defined as all text between the first H1 and the first H2
// The first H1 is set as the title and removed from the html output
renderer.header = function (text, level) {
var header = escape(text);
if (level === 1) {
if (!title) {
title = header.clean;
return '';
}
if (withToc) {
inTOC = true;
}
}
else if (level === 2) {
if (inTOC && withToc) {
inTOC = false;
}
}
return '<h' + level + '><a name="' + header.escaped + '" class="anchor" href="#' + header.escaped + '">' + header.clean + '</a></h' + level + '>';
};
// the markdown lexer
var parser = new Robotskirt.Markdown(renderer, [
// allow tables
Robotskirt.EXT_TABLES,
// automatically turn urls into links
Robotskirt.EXT_AUTOLINK,
// allow github-style fenced code blocks
Robotskirt.EXT_FENCED_CODE,
// don't be so strict about whitespace
Robotskirt.EXT_LAX_SPACING
]);
// pass the lexed data through the parser to generate html
var reference = parser.render(markdown);
var toc = [];
if (withToc) {
// parse the html with Cheerio
var $ = Cheerio.load(reference);
// TOC is the first 'ul'
var ul = $('ul').first();
// iterate over all 'a' tags in the first 'ul'
$('a', ul).each(function () {
var $this = $(this);
// we count parents to see how deep in the TOC we are
var depth = $this.parents().length;
var anchor = escape($this.text());
// blob representing the 'a' tag we're on now
var blob = { tag: anchor.escaped, name: anchor.clean, children: [] };
// default to the root of the toc
var list = toc;
// depth >= 4 means we're at least one level deep
if (depth >= 4) {
list = toc[toc.length - 1].children;
}
// go another level deeper
if (depth >= 6) {
list = list[list.length - 1].children;
}
// and one last level
if (depth === 8) {
list = list[list.length - 1].children;
}
// append the blob
list.push(blob);
});
// remove the TOC
ul.remove();
// and set reference back to the raw html
reference = $.html();
}
return { toc: toc, html: reference, title: title };
};
/*
* GET home page.
*/
var rs = require('robotskirt');
var parser = rs.Markdown.std();
var data = { "posts" :
[
{"text":"i _am_ using *markdown*. Cool link [Bool.se](http://www.bool.se)"},
{"text":"2i am using __markdown__."}
]
};
var findAll = function(callback) {
var posts = [];
data.posts.forEach(function (post, i) {
posts.push({
text: parser.render(post.text)
});
});
callback( null, posts );
};
exports.index = function(req, res){
res.render('index', { title: 'Express' });
};
exports.blog = function(req, res){
findAll(function (error, posts){