parse_form_data

# File lib/webrick/httputils.rb, line 393
    def parse_form_data(io, boundary)
      boundary_regexp = /\A--#{Regexp.quote(boundary)}(--)?#{CRLF}\z/
      form_data = Hash.new
      return form_data unless io
      data = nil
      io.each_line{|line|
        if boundary_regexp =~ line
          if data
            data.chop!
            key = data.name
            if form_data.has_key?(key)
              form_data[key].append_data(data)
            else
              form_data[key] = data
            end
          end
          data = FormData.new
          next
        else
          if data
            data << line
          end
        end
      }
      return form_data
    end