module WebSocket::HTTP::Headers

def parse(chunk)
  chunk.each_byte do |octet|
    if octet == LF and @stage < 2
      @buffer.pop if @buffer.last == CR
      if @buffer.empty?
        complete if @stage == 1
      else
        result = case @stage
                 when 0 then start_line(string_buffer)
                 when 1 then header_line(string_buffer)
                 end
        if result
          @stage = 1
        else
          error
        end
      end
      @buffer = []
    else
      @buffer << octet if @stage >= 0
      error if @stage < 2 and @buffer.size > MAX_LINE_LENGTH
    end
  end
  @env['rack.input'] = StringIO.new(string_buffer)
end