7 files changed, 204 insertions, 0 deletions
diff --git a/packages/gitbook-html/lib/dom.js b/packages/gitbook-html/lib/dom.js
new file mode 100644
index 0000000..2c2eaf7
--- /dev/null
+++ b/packages/gitbook-html/lib/dom.js
@@ -0,0 +1,23 @@
+var _ = require('lodash');
+var cheerio = require('cheerio');
+
+// Parse an HTML string and return its content
+function parse(html) {
+    var $ = cheerio.load('<div>'+html+'</div>');
+    var $el = $('html, body').first();
+
+    return $el.length > 0? $el : $;
+}
+
+// Return text node of an element
+function textNode($el) {
+    return _.reduce($el.children, function(text, e) {
+        if (e.type == 'text') text += e.data;
+        return text;
+    }, '');
+}
+
+module.exports = {
+    parse: parse,
+    textNode: textNode
+};
diff --git a/packages/gitbook-html/lib/glossary.js b/packages/gitbook-html/lib/glossary.js
new file mode 100755
index 0000000..648ba1a
--- /dev/null
+++ b/packages/gitbook-html/lib/glossary.js
@@ -0,0 +1,38 @@
+var _ = require('lodash');
+var dom = require('./dom');
+
+// HTML -> Glossary
+function parseGlossary(html) {
+    var $ = dom.parse(html);
+
+    var entries = [];
+
+    $("h2").each(function() {
+        var $heading = $(this);
+        var $p = $heading.next();
+
+        var entry = {};
+
+        entry.name = $heading.text();
+        entry.description = $p.text();
+
+        entries.push(entry);
+    });
+
+    return entries;
+}
+
+// Glossary -> HTML
+function glossaryToText(glossary) {
+    var bl = '\n';
+
+    var body = _.map(glossary, function(entry) {
+        return '<h2>' + entry.name + '</h2>' + bl + bl
+        + '<p>' + entry.description + '</p>';
+    }).join(bl+bl);
+
+    return '<h1>Glossary</h1>'+bl+bl+body;
+}
+
+module.exports = parseGlossary;
+module.exports.toText = glossaryToText;
diff --git a/packages/gitbook-html/lib/index.js b/packages/gitbook-html/lib/index.js
new file mode 100755
index 0000000..a7c478c
--- /dev/null
+++ b/packages/gitbook-html/lib/index.js
@@ -0,0 +1,8 @@
+
+module.exports = {
+    summary: require("./summary"),
+    glossary: require("./glossary"),
+    langs: require("./langs"),
+    readme: require("./readme"),
+    page: require("./page")
+};
diff --git a/packages/gitbook-html/lib/langs.js b/packages/gitbook-html/lib/langs.js
new file mode 100755
index 0000000..1042dcb
--- /dev/null
+++ b/packages/gitbook-html/lib/langs.js
@@ -0,0 +1,24 @@
+var _ = require('lodash');
+var parseEntries = require('./summary').entries;
+
+// HTML -> Languages
+function parseLangs(content) {
+    return parseEntries(content);
+}
+
+// Languages -> HTML
+function langsToText(langs) {
+    var bl = '\n';
+    var content = '<h1>Languages</h1>'+bl+bl;
+
+    content += '<ul>' + bl;
+    _.each(langs, function(lang) {
+        content = content + '    <li><a href="'+lang.path+'">'+lang.title+'</a></li>'+bl;
+    });
+    content += '</ul>' + bl;
+
+    return content;
+}
+
+module.exports = parseLangs;
+module.exports.toText = langsToText;
diff --git a/packages/gitbook-html/lib/page.js b/packages/gitbook-html/lib/page.js
new file mode 100755
index 0000000..e687050
--- /dev/null
+++ b/packages/gitbook-html/lib/page.js
@@ -0,0 +1,9 @@
+var Q = require('q');
+var _ = require('lodash');
+
+// HTML -> HTML
+function parsePage(src) {
+    return src;
+}
+
+module.exports = parsePage;
diff --git a/packages/gitbook-html/lib/readme.js b/packages/gitbook-html/lib/readme.js
new file mode 100755
index 0000000..0d179ad
--- /dev/null
+++ b/packages/gitbook-html/lib/readme.js
@@ -0,0 +1,16 @@
+var _ = require('lodash');
+var dom = require('./dom');
+
+// HTML -> Readme
+function parseReadme(html) {
+    var $ = dom.parse(html);
+
+    return {
+        title: $('h1:first-child').text().trim(),
+        description: $('div.paragraph,p').first().text().trim()
+    };
+}
+
+
+// Exports
+module.exports = parseReadme;
diff --git a/packages/gitbook-html/lib/summary.js b/packages/gitbook-html/lib/summary.js
new file mode 100755
index 0000000..1e2d63d
--- /dev/null
+++ b/packages/gitbook-html/lib/summary.js
@@ -0,0 +1,86 @@
+var _ = require('lodash');
+var dom = require('./dom');
+
+
+// parse a ul list and return list of chapters recursvely
+function parseList($ul, $) {
+    var articles = [];
+
+    $ul.children('>li').each(function() {
+        var article = {};
+
+        var $li = $(this);
+
+        // Get text for the entry
+        var $p = $li.children('> p');
+        article.title = $p.text() ||  dom.textNode($li.get(0));
+
+        // Parse link
+        var $a = $li.find('> a, > p > a');
+        if ($a.length > 0) {
+            article.title = $a.first().text();
+            article.path = $a.attr('href').replace(/\\/g, '/').replace(/^\/+/, '')
+        }
+
+        // Sub articles
+        var $sub = $li.children('> .olist > ol, > ol, > ul');
+        article.articles = parseList($sub, $);
+
+        articles.push(article);
+    });
+
+    return articles;
+}
+
+// Return a list of entries in a div
+function parseEntries (html) {
+    var $ = dom.parse(html);
+    var chapters = parseList($("> ol, > ul").first(), $);
+    return chapters;
+}
+
+// HTML -> Summary
+function parseSummary(src) {
+    var chapters = parseEntries(src);
+
+    return {
+        chapters: chapters
+    };
+}
+
+// Summary -> HTML
+function summaryToText(summary) {
+    var bl = '\n';
+
+    var _base = function(article) {
+        if (article.path) {
+            return '<a href="'+article.path+'">'+article.title+'</a>';
+        } else {
+            return article.title;
+        }
+    };
+
+    var convertArticle = function(article, d) {
+        var content = Array(d+2).join(' ') + '<li>' + _base(article);
+
+        if (article.articles.length > 0) {
+            content += convertArticles(article.articles, d);
+        }
+        return content + '</li>' + bl;
+    };
+
+    var convertArticles = function(articles, d) {
+        var content = '<ul>' + bl;
+        _.each(articles, function(_article) {
+            content += convertArticle(_article, d + 1);
+        });
+        return content + '<ul>' + bl;
+    }
+
+    return '<h1>Summary</h1>'+ bl+bl + convertArticles(summary.chapters, 0) + bl;
+};
+
+
+module.exports = parseSummary;
+module.exports.entries = parseEntries;
+module.exports.toText = summaryToText;