added support for pygments.rb removing dependency on pygments, added support for caching highlighted code from pygments.rb and added default line numbering. Javascript auto line numbering now only occurs for embedded gists

.themes/classic/source/javascripts/octopress.js

@@ -48,8 +48,7 @@ function testFeatures() {
 
 function addCodeLineNumbers(){
   if (navigator.appName == 'Microsoft Internet Explorer') { return }
-  $('div.highlight pre code').each(function(el){ addDivLines(el); });
-  $('div.highlight, div.gist-highlight').each(function(code){
+  $('div.gist-highlight').each(function(code){
     var tableStart = '<table cellpadding="0" cellspacing="0"><tbody><tr><td class="gutter">';
     var lineNumbers = '<pre class="line-numbers">';
     var tableMiddle = '</pre></td><td class="code" width="100%">';
@@ -62,16 +61,6 @@ function addCodeLineNumbers(){
     $(code).html(table);
   });
 }
-function addDivLines(el){
-  var content = $(el).html();
-  var lines = content.replace(/\s*$/g, '').split(/\n/);
-  var count = lines.length;
-  $(lines).each(function(line, index){
-    if(line == '') line = ' ';
-    lines[index] = '<div class="line">' + line + '</div>';
-  });
-  $(el).html(lines.join(''));
-}
 
 function flashVideoFallback(){
   var flashplayerlocation = "/assets/jwplayer/player.swf",

Gemfile

@@ -4,6 +4,7 @@ gem 'rake'
 gem 'rack'
 gem 'jekyll'
 gem 'rdiscount'
+gem 'pygments.rb'
 gem 'RedCloth'
 gem 'haml', '>= 3.1'
 gem 'compass', '>= 0.11'

Gemfile.lock

@@ -4,6 +4,7 @@ GEM
     RedCloth (4.2.7)
     albino (1.3.3)
       posix-spawn (>= 0.3.6)
+    blankslate (2.1.2.4)
     chunky_png (1.2.0)
     classifier (1.3.3)
       fast-stemmer (>= 1.0.0)
@@ -13,6 +14,7 @@ GEM
       sass (~> 3.1)
     directory_watcher (1.4.0)
     fast-stemmer (1.0.0)
+    ffi (1.0.9)
     fssm (0.2.7)
     haml (3.1.2)
     jekyll (0.11.0)
@@ -27,12 +29,17 @@ GEM
     maruku (0.6.0)
       syntax (>= 1.0.0)
     posix-spawn (0.3.6)
-    rack (1.3.1)
+    pygments.rb (0.1.2)
+      rubypython (>= 0.5.1)
+    rack (1.3.2)
     rake (0.9.2)
     rb-fsevent (0.4.1)
     rdiscount (1.6.8)
     rubypants (0.2.0)
-    sass (3.1.4)
+    rubypython (0.5.1)
+      blankslate (>= 2.1.2.3)
+      ffi (~> 1.0.7)
+    sass (3.1.5)
     syntax (1.0.0)
 
 PLATFORMS
@@ -43,6 +50,7 @@ DEPENDENCIES
   compass (>= 0.11)
   haml (>= 3.1)
   jekyll
+  pygments.rb
   rack
   rake
   rb-fsevent

_config.yml

@@ -28,7 +28,7 @@ plugins: plugins
 code_dir: downloads/code
 category_dir: blog/categories
 markdown: rdiscount
-pygments: true
+pygments: false
 
 paginate: 10 # Posts per page on the blog index
 recent_posts: 5 # Posts in the sidebar Recent Posts section

plugins/code_block.rb

@@ -41,9 +41,12 @@
 # <pre><code>&lt;sarcasm> Ooooh, sarcasm... How original!&lt;/sarcasm></code></pre>
 # </figure>
 #
+require './plugins/pygments_code'
+
 module Jekyll
 
   class CodeBlock < Liquid::Block
+    include HighlightCode
     CaptionUrlTitle = /(\S[\S\s]*)\s+(https?:\/\/)(\S+)\s+(.+)/i
     CaptionUrl = /(\S[\S\s]*)\s+(https?:\/\/)(\S+)/i
     Caption = /(\S[\S\s]*)/
@@ -75,7 +78,7 @@ module Jekyll
       if @filetype
         @filetype = 'objc' if @filetype == 'm'
         @filetype = 'perl' if @filetype == 'pl'
-        source += "{% highlight #{@filetype} %}\n" + code + "\n{% endhighlight %}</figure></div>"
+        source += " #{highlight(code, @filetype)}</figure></div>"
       else
         source += "<pre><code>" + code.lstrip.rstrip.gsub(/</,'&lt;') + "</code></pre></figure></div>"
       end

plugins/include_code.rb

@@ -20,11 +20,13 @@
 # will output a figcaption with the title: Example 2 (test.js)
 #
 
+require './plugins/pygments_code'
 require 'pathname'
 
 module Jekyll
 
   class IncludeCodeTag < Liquid::Tag
+    include HighlightCode
     def initialize(tag_name, markup, tokens)
       @title = nil
       @file = nil
@@ -50,13 +52,13 @@ module Jekyll
 
       Dir.chdir(code_path) do
         code = file.read
-        @filetype = file.extname
+        @filetype = file.extname.sub('.','')
         @filetype = 'objc' if @filetype == 'm'
         @filetype = 'perl' if @filetype == 'pl'
         title = @title ? "#{@title} (#{file.basename})" : file.basename
         url = "#{context.registers[:site].config['url']}/#{code_dir}/#{@file}"
         source = "<div><figure role=code><figcaption><span>#{title}</span> <a href='#{url}'>download</a></figcaption>\n"
-        source += "{% highlight #{@filetype} %}\n" + code + "\n{% endhighlight %}</figure></div>"
+        source += " #{highlight(code, @filetype)}</figure></div>"
         partial = Liquid::Template.parse(source)
         context.stack do
           partial.render(context)

plugins/pygments_cache_patch.rb

@@ -1,30 +0,0 @@
-#
-# Author: Raimonds Simanovskis, http://blog.rayapps.com/
-# Source URL: https://github.com/rsim/blog.rayapps.com/blob/master/_plugins/pygments_cache_patch.rb
-#
-
-require 'fileutils'
-require 'digest/md5'
-
-PYGMENTS_CACHE_DIR = File.expand_path('../../_code_cache', __FILE__)
-FileUtils.mkdir_p(PYGMENTS_CACHE_DIR)
-
-Jekyll::HighlightBlock.class_eval do
-  def render_pygments(context, code)
-    if defined?(PYGMENTS_CACHE_DIR)
-      path = File.join(PYGMENTS_CACHE_DIR, "#{@lang}-#{Digest::MD5.hexdigest(code)}.html")
-      if File.exist?(path)
-        highlighted_code = File.read(path)
-      else
-        highlighted_code = Albino.new(code, @lang).to_s(@options)
-        File.open(path, 'w') {|f| f.print(highlighted_code) }
-      end
-    else
-      highlighted_code = Albino.new(code, @lang).to_s(@options)
-    end
-    output = add_code_tags(highlighted_code, @lang)
-    output = context["pygments_prefix"] + output if context["pygments_prefix"]
-    output = output + context["pygments_suffix"] if context["pygments_suffix"]
-    output
-  end
-end

plugins/pygments_code.rb

@@ -0,0 +1,34 @@
+require 'pygments'
+require 'fileutils'
+require 'digest/md5'
+
+PYGMENTS_CACHE_DIR = File.expand_path('../../_code_cache', __FILE__)
+FileUtils.mkdir_p(PYGMENTS_CACHE_DIR)
+
+module HighlightCode
+  def highlight(str, lang)
+    str = pygments(str, lang).match(/<pre>(.+)<\/pre>/m)[1].to_s.gsub(/\s*$/, '') #strip out divs <div class="highlight">
+    table = '<div class="highlight"><table cellpadding="0" cellspacing="0"><tr><td class="gutter"><pre class="line-numbers">'
+    code = ''
+    str.lines.each_with_index do |line,index|
+      table += "<span class='line'>#{index+1}</span>\n"
+      code  += "<div class='line'>#{line}</div>"
+    end
+    table += "</pre></td><td class='code' width='100%'><pre><code class='#{lang}'>#{code}</code></pre></td></tr></table></div>"
+  end
+
+  def pygments(code, lang)
+    if defined?(PYGMENTS_CACHE_DIR)
+      path = File.join(PYGMENTS_CACHE_DIR, "#{lang}-#{Digest::MD5.hexdigest(code)}.html")
+      if File.exist?(path)
+        highlighted_code = File.read(path)
+      else
+        highlighted_code = Pygments.highlight(code, :lexer => lang, :formatter => 'html')
+        File.open(path, 'w') {|f| f.print(highlighted_code) }
+      end
+    else
+      highlighted_code = Pygments.highlight(code, :lexer => lang, :formatter => 'html')
+    end
+    highlighted_code
+  end
+end