require 'wparser/parse'

module Blocks
  class Pre < Parse
    BLOCK_TABLE = {
      ">||"     => '<pre>',
      "||<"     => '</pre>',
      ">|code|" => '<pre class="prettyprint">',
      "|code|<" => '</pre>'
    }

    def self.parse line
      block_rex = %r! 
        (^>\|\|)|(^\|\|<)           # pre
        |
        (^\>\|code\|)|(^\|code\|\<) # google-code-prettify
      !x

      @result = line.gsub(block_rex){|s| BLOCK_TABLE[s]}
      super
    end 
  end
end