view lib/redmine/syntax_highlighting.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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, :line_number_anchors => false, :wrap => :span)
        end
      end
    end
  end

  SyntaxHighlighting.highlighter = 'CodeRay'
end