attr_hash (HTMLTag)

    # File lib/yadis/htmltokenizer.rb, line 251
      def attr_hash
        # Lazy initialize == don't build the hash until it's needed
        if !@hashed
          if !@end_tag
            # Get the attributes
            attr_arr = @raw.scan(/<[\w:-]+\s+(.*)>/m)[0]
            if attr_arr.kind_of?(Array)
              # Attributes found, parse them
              attrs = attr_arr[0]
              attr_arr = attrs.scan(/\s*([\w:-]+)(?:\s*=\s*("[^"]*"|'[^']*'|([^"'>][^\s>]*)))?/m)
              # clean up the array by:
              # * setting all nil elements to true
              # * removing enclosing quotes
              attr_arr.each {
                |item|
                val = if item[1].nil?
                        item[0]
                      elsif '"'[0] == item[1][0] or '\''[0] == item[1][0]
                        item[1][1 .. -2]
                      else
                        item[1]
                      end
                @attr_hash[item[0].downcase] = val
              }
            end
          end
          @hashed = true
        end

        #p self

        @attr_hash
      end