class WebApp::QueryString

# File webapp/querystring.rb, line 46
def QueryString.html_form(arg, sep=';')
  case arg
  when Array
    QueryString.html_form_array(arg, sep)
  when Hash
    QueryString.html_form_hash(arg, sep)
  else
    raise ArgumentError, "array or hash expected: #{arg.inspect}"
  end
end

# File webapp/querystring.rb, line 34
def initialize(escaped)
  if /\A(?:[#{QueryChars}]|#{PctEncoded})*\z/o !~ escaped
    raise ArgumentError, "not properly escaped: #{escaped.inspect}"
  end
  @escaped_query_string = escaped
end

# File webapp/htmlform.rb, line 32
def decode_as_application_x_www_form_urlencoded
  # xxx: warning if invalid?
  pairs = []
  @escaped_query_string.scan(/([^&;=]*)=([^&;]*)/) {|key, val|
    key.gsub!(/\+/, ' ')
    key.gsub!(/%([0-9A-F][0-9A-F])/i) { [$1].pack("H*") }
    val.gsub!(/\+/, ' ')
    val.gsub!(/%([0-9A-F][0-9A-F])/i) { [$1].pack("H*") }
    pairs << [key.freeze, val.freeze]
  }
  HTMLFormQuery.new(pairs)
end

# File webapp/querystring.rb, line 41
def inspect
  "#<#{self.class}: #{@escaped_query_string}>"
end