# File lib/nanoc/filters/colorize_syntax.rb, line 248
    def simon_highlight(code, language, params={})
      require 'systemu'

      check_availability('highlight', '--version')

      # Build command
      cmd = [ 'highlight', '--syntax', language, '--fragment' ]
      params.each do |key, value|
        if SIMON_HIGHLIGHT_OPT_MAP[key]
          cmd << SIMON_HIGHLIGHT_OPT_MAP[key]
        else
          # TODO allow passing other options
          case key
          when :style
            cmd << '--style' << params[:style]
          end
        end
      end

      # Run command
      stdout = StringIO.new
      systemu cmd, 'stdin' => code, 'stdout' => stdout

      # Get result
      stdout.rewind
      stdout.read
    end