getText (HTMLTokenizer)

    # File lib/yadis/htmltokenizer.rb, line 133
      def getText(until_tag = nil)
        if until_tag.nil?
          if ?< == @page[@cur_pos]
            # Next token is a tag, not text
            ""
          else
            # Next token is text
            getNextToken.text
          end
        else
          ret_str = ""

          while (tag = peekNextToken)
            if tag.kind_of?(HTMLTag) and tag.tag_name == until_tag
              break
            end

            if ("" != tag.text)
              ret_str << (tag.text + " ")
            end
            getNextToken
          end

          ret_str
        end
      end