From 4afc10fa14763983e862c65b3abda30039557599 Mon Sep 17 00:00:00 2001
From: "Timothy N. Tsvetkov" <timothy.tsvetkov@gmail.com>
Date: Thu, 10 Mar 2011 14:34:32 +0300
Subject: [PATCH] added my awesome git diff colorizer

---
 lib/git/diff/inline_callback.rb | 77 +++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 lib/git/diff/inline_callback.rb

diff --git a/lib/git/diff/inline_callback.rb b/lib/git/diff/inline_callback.rb
new file mode 100644
index 000000000..02c06a4ee
--- /dev/null
+++ b/lib/git/diff/inline_callback.rb
@@ -0,0 +1,77 @@
+module Git
+  module Diff
+    class InlineCallback < ::Diff::Renderer::Base      
+      def addline(line)
+        "<tr class='changes'>
+          <td></td>
+          <td class='line_numbers'></td>
+          <td class='line_numbers'>#{line.new_number}</td>
+          <td class='code ins'>#{render_line(line)}</td>
+        </tr>"
+      end
+      
+      def remline(line)
+        "<tr class='changes'>
+          <td></td>
+          <td class='line_numbers'>#{line.old_number}</td>
+          <td class='line_numbers'></td>
+          <td class='code del'>#{render_line(line)}</td>
+        </tr>"
+      end
+
+      def modline(line)
+        "<tr clas='chanes line'>
+          <td></td>
+          <td class='line_numbers'>#{line.old_number}</td>
+          <td class='line_numbers'>#{line.new_number}</td>
+          <td class='code unchanged modline'>#{render_line(line)}</td>
+        </tr>"
+      end
+      
+      def unmodline(line)
+        "<tr class='changes unmodline'>
+          <td></td>
+          <td class='line_numbers'>#{line.old_number}</td>
+          <td class='line_numbers'>#{line.new_number}</td>
+          <td class='code unchanged unmodline'>#{render_line(line)}</td>
+        </tr>"
+      end
+      
+      def sepline(line)
+        "<tr class='changes hunk-sep'>
+          <td></td>
+          <td class='line_numbers line_num_cut'>&hellip;</td>
+          <td class='line_numbers line_num_cut'>&hellip;</td>
+          <td class='code cut-line'></td>
+        </tr>"
+      end
+      
+      def nonewlineline(line)
+        "<tr class='changes'>
+          <td></td>
+          <td class='line_numbers'>#{line.old_number}</td>
+          <td class='line_numbers'>#{line.new_number}</td>
+          <td class='code modline unmodline'>#{render_line(line)}</td>
+        </tr>"
+      end
+
+      protected
+      def escape(str)
+        str.to_s.gsub('&', '&amp;').gsub('<', '&lt;').gsub('>', '&gt;').gsub('"', '&#34;')
+      end
+
+      def render_line(line)
+        res = '<span class="diff-content">'
+        if line.inline_changes?
+          prefix, changed, postfix = line.segments.map{|segment| escape(segment) }
+          res += "#{prefix}<span class='idiff'>#{changed}</span>#{postfix}"
+        else
+          res += escape(line)
+        end
+        res += '</span>'
+        
+        res
+      end
+    end
+  end
+end