module Stack
  module Filters
    module Standard
      include Stack::Filters::Register
      
      def hello_world(input)
        "Hello World!"
      end
      
      def length(input)
        input.length
      end
      
      def escape(input)
        CGI::escape(input)
      end
      
      def escape_html(input)
        CGI::escapeHTML(input)
      end
      
      def escape_xml(input)
        CGI::escapeHTML(input)
      end
    end
  end
end