diff lib/redmine/syntax_highlighting.rb @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/redmine/syntax_highlighting.rb	Fri Jul 23 15:52:44 2010 +0100
@@ -0,0 +1,56 @@
+# Redmine - project management software
+# Copyright (C) 2006-2010  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module SyntaxHighlighting
+    
+    class << self
+      attr_reader :highlighter
+      delegate :highlight_by_filename, :highlight_by_language, :to => :highlighter
+      
+      def highlighter=(name)
+        if name.is_a?(Module)
+          @highlighter = name
+        else
+          @highlighter = const_get(name)
+        end
+      end
+    end
+    
+    module CodeRay
+      require 'coderay'
+      require 'coderay/helpers/file_type'
+      
+      class << self
+        # Highlights +text+ as the content of +filename+
+        # Should not return line numbers nor outer pre tag
+        def highlight_by_filename(text, filename)
+          language = ::CodeRay::FileType[filename]
+          language ? ::CodeRay.scan(text, language).html : ERB::Util.h(text)
+        end
+        
+        # Highlights +text+ using +language+ syntax
+        # Should not return outer pre tag
+        def highlight_by_language(text, language)
+          ::CodeRay.scan(text, language).html(:line_numbers => :inline, :wrap => :span)
+        end
+      end
+    end
+  end
+  
+  SyntaxHighlighting.highlighter = 'CodeRay'
+end