Added syntax highlightment for repository files (using CodeRay).

Supported languages: c, ruby, rhtml, yaml, html, xml.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@644 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/repositories_helper.rb

@@ -15,7 +15,15 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
+require 'coderay'
+require 'coderay/helpers/file_type'
+
 module RepositoriesHelper
+  def syntax_highlight(name, content)
+    type = CodeRay::FileType[name]
+    type ? CodeRay.scan(content, type).html : h(content)
+  end
+    
   def repository_field_tags(form, repository)    
     method = repository.class.name.demodulize.underscore + "_field_tags"
     send(method, form, repository) if repository.is_a?(Repository) && respond_to?(method)

app/views/repositories/diff.rhtml

@@ -14,7 +14,7 @@
 <% cache(@cache_key) do %>
 <% @diff.each do |table_file| %>
 <% if @diff_type == 'sbs' %>
-    <table class="list">
+    <table class="list CodeRay">
       <thead>
         <tr>
           <th colspan="4" class="list-filename">
@@ -33,13 +33,13 @@
               <%= table_file[key].nb_line_left %>
             </th>
             <td class="line-code <%= table_file[key].type_diff_left %>">
-              <%= table_file[key].line_left %>
+              <pre><%= table_file[key].line_left %></pre>
             </td>
             <th class="line-num">
               <%= table_file[key].nb_line_right %>
             </th>
             <td class="line-code <%= table_file[key].type_diff_right %>">
-              <%= table_file[key].line_right %>
+              <pre><%= table_file[key].line_right %></pre>
             </td>
           </tr>
         <% end %>
@@ -47,7 +47,7 @@
     </table>
 
 <% else %>
-    <table class="list">
+    <table class="list CodeRay">
       <thead>
         <tr>
           <th colspan="3" class="list-filename">
@@ -71,11 +71,11 @@
             </th>
             <% if table_file[key].line_left.empty? %>
               <td class="line-code <%= table_file[key].type_diff_right %>">
-                <%= table_file[key].line_right %>
+                <pre><%= table_file[key].line_right %></pre>
               </td>
             <% else %>
               <td class="line-code <%= table_file[key].type_diff_left %>">
-                <%= table_file[key].line_left %>
+                <pre><%= table_file[key].line_left %></pre>
               </td>
             <% end %>
           </tr>

app/views/repositories/entry.rhtml

@@ -1,6 +1,6 @@
 <h2><%= render :partial => 'navigation', :locals => { :path => @path, :kind => 'file', :revision => @rev } %></h2>
 
-<table class="list">
+<table class="list CodeRay">
   <thead>
     <tr>
       <th colspan="2" class="list-filename"><%= @path %></th>
@@ -8,10 +8,10 @@
   </thead>
   <tbody>
     <% line_num = 1 %>
-    <% @content.each_line do |line| %>
+    <% syntax_highlight(@path, @content).each_line do |line| %>
     <tr>
       <th class="line-num"><%= line_num %></th>
-      <td class="line-code"><%= h(line).gsub(/\s/, '&nbsp;') %></td>
+      <td class="line-code"><pre><%= line %></pre></td>
     </tr>
     <% line_num += 1 %>
     <% end %>