view vendor/gems/coderay-1.0.0/lib/coderay/encoders/html/css.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

module CodeRay
module Encoders

  class HTML
    class CSS  # :nodoc:

      attr :stylesheet

      def CSS.load_stylesheet style = nil
        CodeRay::Styles[style]
      end

      def initialize style = :default
        @classes = Hash.new
        style = CSS.load_stylesheet style
        @stylesheet = [
          style::CSS_MAIN_STYLES,
          style::TOKEN_COLORS.gsub(/^(?!$)/, '.CodeRay ')
        ].join("\n")
        parse style::TOKEN_COLORS
      end

      def get_style styles
        cl = @classes[styles.first]
        return '' unless cl
        style = ''
        1.upto styles.size do |offset|
          break if style = cl[styles[offset .. -1]]
        end
        # warn 'Style not found: %p' % [styles] if style.empty?
        return style
      end

    private

      CSS_CLASS_PATTERN = /
        (                    # $1 = selectors
          (?:
            (?: \s* \. [-\w]+ )+
            \s* ,?
          )+
        )
        \s* \{ \s*
        ( [^\}]+ )?          # $2 = style
        \s* \} \s*
      |
        ( [^\n]+ )           # $3 = error
      /mx
      def parse stylesheet
        stylesheet.scan CSS_CLASS_PATTERN do |selectors, style, error|
          raise "CSS parse error: '#{error.inspect}' not recognized" if error
          for selector in selectors.split(',')
            classes = selector.scan(/[-\w]+/)
            cl = classes.pop
            @classes[cl] ||= Hash.new
            @classes[cl][classes] = style.to_s.strip.delete(' ').chomp(';')
          end
        end
      end

    end
  end

end
end