pagination_links_each (ActionView::Helpers::PaginationHelper)

    # File lib/action_view/helpers/pagination_helper.rb, line 49
          def pagination_links_each(paginator, options)
            options = DEFAULT_OPTIONS.merge(options)
            link_to_current_page = options[:link_to_current_page]
            always_show_anchors = options[:always_show_anchors]

            current_page = paginator.current_page
            window_pages = current_page.window(options[:window_size]).pages
            return if window_pages.length <= 1 unless link_to_current_page

            first, last = paginator.first, paginator.last

            html = ''
            if always_show_anchors and not (wp_first = window_pages[0]).first?
              html << yield(first.number)
              html << ' ... ' if wp_first.number - first.number > 1
              html << ' '
            end

            window_pages.each do |page|
              if current_page == page && !link_to_current_page
                html << page.number.to_s
              else
                html << yield(page.number)
              end
              html << ' '
            end

            if always_show_anchors and not (wp_last = window_pages[-1]).last?
              html << ' ... ' if last.number - wp_last.number > 1
              html << yield(last.number)
            end

            html
          end