# File lib/rss/maker/base.rb, line 652
652:       def initialize(maker)
653:         super
654:         @do_sort = false
655:         @max_size = -1
656:       end

     # File lib/rss/maker/base.rb, line 658
658:       def normalize
659:         if @max_size >= 0
660:           sort_if_need[0...@max_size]
661:         else
662:           sort_if_need[0..@max_size]
663:         end
664:       end

     # File lib/rss/maker/base.rb, line 667
667:       def sort_if_need
668:         if @do_sort.respond_to?(:call)
669:           @items.sort do |x, y|
670:             @do_sort.call(x, y)
671:           end
672:         elsif @do_sort
673:           @items.sort do |x, y|
674:             y <=> x
675:           end
676:         else
677:           @items
678:         end
679:       end