urlencode.tt

# Simple parser for url-encoded data.
#
# This software is licensed under the Creative
# Commons CC0 1.0 Universal License.
# To view a copy of this license, visit
# http://creativecommons.org/publicdomain/zero/1.0/legalcode
#
# @author Patrick Hof

grammar UrlEncode

  rule urlencoded
    param:param+ delimiter?
    {
      def content 
        body = {}
        param.elements.each do |el_node|
          el = el_node.content
          if body.has_key?(el[0])
            body[el[0]] << el[1]
          else
            body[el[0]] = [el[1]]
          end
        end
        return body
      end
    }
  end

  rule param
    key:param_key '=' val:(param_val / '') '&'?
    {
      def content
        [key.text_value, val.text_value]
      end
    }
  end

  rule param_val
    param_key
  end

  # FIXME This list seems to be incomplete
  rule param_key
    [a-zA-Z0-9\-%+]+
  end

  rule delimiter
   "\n" / "\r\n"
  end

end