# File lib/padrino-contrib/helpers/breadcrumbs.rb, line 146
        def breadcrumbs(breadcrumbs, bootstrap = false, active = "active", options = {})
          content = ActiveSupport::SafeBuffer.new
          breadcrumbs.items[0..-2].each do |item|
            content << render_item(item, bootstrap)
          end
          last = breadcrumbs.items.last
          last_options = last[:options]
          last = link_to(last[:caption], last[:url])
  
          classes = [options[:class], last_options[:class]].map { |class_name| class_name.to_s.split(/\s/) }
          classes[0] << "breadcrumb"
          classes[1] << active if active
          options[:class], last_options[:class] = classes.map { |class_name| class_name * " " }
  
          content << content_tag(:li, last, last_options)
          content_tag(:ul, content, options)
        end