From 9eb23603f4d30a0822afde7fbd234976557f575a Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Sun, 20 Dec 2015 11:28:54 -0600
Subject: Added support of toc syntax

---
 public/js/extra.js      | 34 +++++++++++++++++++++++++++++++++-
 public/js/index.js      |  5 +++++
 public/js/pretty.js     |  1 +
 public/vendor/md-toc.js | 11 +++++++++--
 4 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/public/js/extra.js b/public/js/extra.js
index ef1f7e35..12342f09 100644
--- a/public/js/extra.js
+++ b/public/js/extra.js
@@ -341,6 +341,7 @@ function generateToc(id) {
         'level': 3,
         'top': -1,
         'class': 'toc',
+        'ulClass': 'nav',
         'targetId': id
     });
     if (target.text() == 'undefined')
@@ -460,6 +461,26 @@ function deduplicatedHeaderId(view) {
     }
 }
 
+function renderTOC(view) {
+    var tocs = view.find('.toc').toArray();
+	for (var i = 0; i < tocs.length; i++) {
+        var toc = $(tocs[i]);
+        var id = 'toc' + i;
+        toc.attr('id', id);
+        var target = $('#' + id);
+        target.html('');
+        new Toc('doc', {
+            'level': 3,
+            'top': -1,
+            'class': 'toc',
+            'targetId': id
+        });
+        if (target.text() == 'undefined')
+            target.html('');
+        target.replaceWith(target.html());
+    }
+}
+
 function scrollToHash() {
     var hash = location.hash;
     location.hash = "";
@@ -623,7 +644,18 @@ var mathjaxPlugin = new Plugin(
         return '<span class="mathjax raw">' + match[0] + '</span>';
     }
 );
+//TOC
+var tocPlugin = new Plugin(
+    // regexp to match
+    /^\[TOC\]$/,
+
+    // this function will be called when something matches
+    function (match, utils) {
+        return '<div class="toc"></div>';
+    }
+);
 md.use(youtubePlugin);
 md.use(vimeoPlugin);
 md.use(gistPlugin);
-md.use(mathjaxPlugin);
\ No newline at end of file
+md.use(mathjaxPlugin);
+md.use(tocPlugin);
\ No newline at end of file
diff --git a/public/js/index.js b/public/js/index.js
index 046c5407..03f5e587 100644
--- a/public/js/index.js
+++ b/public/js/index.js
@@ -86,6 +86,10 @@ var supportReferrals = [
     {
         text: '![image text](url "title")',
         search: '![]()'
+    },
+    {
+        text: '[TOC]',
+        search: '[]'
     }
 ];
 var supportExternals = [
@@ -1876,6 +1880,7 @@ function updateViewInner() {
     finishView(ui.area.view);
     autoLinkify(ui.area.view);
     deduplicatedHeaderId(ui.area.view);
+    renderTOC(ui.area.view);
     generateToc('toc');
     generateToc('toc-affix');
     generateScrollspy();
diff --git a/public/js/pretty.js b/public/js/pretty.js
index ad5655d6..ff393cac 100644
--- a/public/js/pretty.js
+++ b/public/js/pretty.js
@@ -6,6 +6,7 @@ $(document.body).show();
 finishView(markdown);
 autoLinkify(markdown);
 deduplicatedHeaderId(markdown);
+renderTOC(markdown);
 generateToc('toc');
 generateToc('toc-affix');
 smoothHashScroll();
diff --git a/public/vendor/md-toc.js b/public/vendor/md-toc.js
index e46afad9..abdd9f56 100755
--- a/public/vendor/md-toc.js
+++ b/public/vendor/md-toc.js
@@ -10,6 +10,7 @@
         this.options = options || {};
         this.tocLevel = parseInt(options.level) || 0;
         this.tocClass = options['class'] || 'toc';
+        this.ulClass = options['ulClass'];
         this.tocTop = parseInt(options.top) || 0;
         this.elChilds = this.el.children;
         if (!this.elChilds.length) return;
@@ -80,7 +81,10 @@
                         this._tempLists.length = this._tempLists.length - y;
                     } else {
                         this._tempLists.push(this._elTitleElement);
-                        this.tocContent += '<ul class="nav">';
+                        if (this.ulClass)
+                            this.tocContent += '<ul class="' + this.ulClass + '">';
+                        else
+                            this.tocContent += '<ul>';
                     }
                 } else {
                     this.tocContent += '</li>';
@@ -93,7 +97,10 @@
                 }
             }
         }
-        this.tocContent = '<ul class="nav">' + this.tocContent + '</ul>';
+        if (this.ulClass)
+            this.tocContent = '<ul class="' + this.ulClass + '">' + this.tocContent + '</ul>';
+        else
+            this.tocContent = '<ul>' + this.tocContent + '</ul>';
     };
 
     Toc.prototype._showToc = function () {
-- 
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