Syntax highlighting for Ruby code (webby helper)

gistfile1.rb

require 'syntax/convertors/html'
require 'uv'

module Code
  BACKGROUND_COLOR = '#2B2B2B'
  COLOR = '#E6E1DC'
  COLORS = {
    :keyword => '#CC7833',
    :symbol => '#6E9CBE',
    :constant => '#DA4939',
    :attribute => '#D0D0FF',
    :string => '#A5C261'
  }

  def code(opts={}, &block)
    text = capture_erb(&block)
    return if text.empty?
    
    text.gsub!("<%%", "<%")
    the_code = Uv.parse( text, "xhtml", opts[:type] || "ruby", false, "twilight")

    concat_erb(the_code, block.binding)
  end
end

Webby::Helpers.register(Code)