Update markdown processing to handle more cases

src/coffee/controllers/markdown_section_controller.coffee

@@ -6,18 +6,21 @@ All rights reserved.
 ###
 
 BaseController = require './base_controller'
+{Url}          = require '../constants'
 
 ########################################################################################################################
 
 module.exports = class MarkdownSectionController extends BaseController
 
     constructor: (options={})->
+        if not options.modPack? then throw new Error 'options.modPack is required'
         options.model        ?= ''
         options.title        ?= 'Description'
         options.templateName  = 'markdown_section'
         super options
 
-        @title = options.title
+        @modPack = options.modPack
+        @title   = options.title
 
     # BaseController Overrides #####################################################################
 
@@ -30,11 +33,42 @@ module.exports = class MarkdownSectionController extends BaseController
         @$title.html @title
 
         @$markdownPanel.empty()
-        @$markdownPanel.html _.parseMarkdown @model
+        @$markdownPanel.html @_parseMarkdown()
         super
 
     # Backbone.View Overrides ######################################################################
 
     events: ->
         return _.extend super,
-            'click .markdown': 'routeLinkClick'
+            'click .markdown a': 'routeLinkClick'
+
+    # Private Methods ##############################################################################
+
+    _parseMarkdown: ->
+        return '' unless @model
+
+        tree = markdown.parse @model, 'Maruku'
+        refs = tree[1].references
+
+        findLinkRefs = (node)=>
+            logger.debug "inspecting a #{node[0]}"
+            if node[0] is 'link_ref'
+                name = node[2]
+                logger.debug "found a link_ref for #{name}"
+                item = @modPack.findItemByName node[2]
+                if item?
+                    logger.debug "found related item: #{item}"
+                    node[0] = 'link'
+                    node[1].href = Url.item itemSlug:item.slug.item, modSlug:item.slug.mod
+                    delete node[1].ref
+            else
+                for index in [1...node.length]
+                    if _.isArray node[index]
+                            logger.indent()
+                            findLinkRefs node[index]
+                            logger.outdent()
+
+        findLinkRefs tree
+
+        html = markdown.renderJsonML markdown.toHTMLTree tree
+        return html