    # File lib/rbot/core/utils/utils.rb, line 557
        def Utils.get_html_info(doc, opts={})
          case doc
          when String
            Utils.get_string_html_info(doc, opts)
          when Net::HTTPResponse
            Utils.get_resp_html_info(doc, opts)
          when URI
            ret = DataStream.new
            @@bot.httputil.get_response(doc) { |resp|
              ret.replace Utils.get_resp_html_info(resp, opts)
            }
            return ret
          else
            raise
          end
        end