Method: Mechanize::HTTP::ContentDispositionParser#rfc_2045_quoted_string

Defined in:
lib/mechanize/http/content_disposition_parser.rb

#rfc_2045_quoted_string ⇒ Object

quoted-string = <“> *(qtext/quoted-pair) <”>

qtext         = <any CHAR excepting <">, "\" & CR,
                 and including linear-white-space
quoted-pair   = "\" CHAR

Parses an RFC 2045 quoted-string

[View source]

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# File 'lib/mechanize/http/content_disposition_parser.rb', line 137

def rfc_2045_quoted_string
  return nil unless @scanner.scan(/"/)

  text = String.new

  while true do
    chunk = @scanner.scan(/[\000-\014\016-\041\043-\133\135-\177]+/) # not \r "

    if chunk then
      text << chunk

      if @scanner.peek(1) == '\\' then
        @scanner.get_byte
        return nil if @scanner.eos?
        text << @scanner.get_byte
      elsif @scanner.scan(/\r\n[\t ]+/) then
        text << " "
      end
    else
      if '\\"' == @scanner.peek(2) then
        @scanner.skip(/\\/)
        text << @scanner.get_byte
      elsif '"' == @scanner.peek(1) then
        @scanner.get_byte
        break
      else
        return nil
      end
    end
  end

  text
end