Chris@1295: # Redmine - project management software
Chris@1295: # Copyright (C) 2006-2012  Jean-Philippe Lang
Chris@1295: #
Chris@1295: # This program is free software; you can redistribute it and/or
Chris@1295: # modify it under the terms of the GNU General Public License
Chris@1295: # as published by the Free Software Foundation; either version 2
Chris@1295: # of the License, or (at your option) any later version.
Chris@1295: #
Chris@1295: # This program is distributed in the hope that it will be useful,
Chris@1295: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1295: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1295: # GNU General Public License for more details.
Chris@1295: #
Chris@1295: # You should have received a copy of the GNU General Public License
Chris@1295: # along with this program; if not, write to the Free Software
Chris@1295: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1295: 
Chris@1295: module Redmine
Chris@1295:   module SyntaxHighlighting
Chris@1295: 
Chris@1295:     class << self
Chris@1295:       attr_reader :highlighter
Chris@1295:       delegate :highlight_by_filename, :highlight_by_language, :to => :highlighter
Chris@1295: 
Chris@1295:       def highlighter=(name)
Chris@1295:         if name.is_a?(Module)
Chris@1295:           @highlighter = name
Chris@1295:         else
Chris@1295:           @highlighter = const_get(name)
Chris@1295:         end
Chris@1295:       end
Chris@1295:     end
Chris@1295: 
Chris@1295:     module CodeRay
Chris@1295:       require 'coderay'
Chris@1295:       require 'coderay/helpers/file_type'
Chris@1295: 
Chris@1295:       class << self
Chris@1295:         # Highlights +text+ as the content of +filename+
Chris@1295:         # Should not return line numbers nor outer pre tag
Chris@1295:         def highlight_by_filename(text, filename)
Chris@1295:           language = ::CodeRay::FileType[filename]
Chris@1295:           language ? ::CodeRay.scan(text, language).html(:break_lines => true) : ERB::Util.h(text)
Chris@1295:         end
Chris@1295: 
Chris@1295:         # Highlights +text+ using +language+ syntax
Chris@1295:         # Should not return outer pre tag
Chris@1295:         def highlight_by_language(text, language)
Chris@1295:           ::CodeRay.scan(text, language).html(:wrap => :span)
Chris@1295:         end
Chris@1295:       end
Chris@1295:     end
Chris@1295:   end
Chris@1295: 
Chris@1295:   SyntaxHighlighting.highlighter = 'CodeRay'
Chris@1295: end