Nokogiri Template Builder. (Rails 3.0)

nbuilder.rb

require 'action_view'

module ActionView::Template::Handlers
  class NokogiriBuilder
    class_attribute :default_format
    self.default_format = Mime::XML

    def call template
      require 'nokogiri'
      "xml = ::Nokogiri::XML::Builder.new { |xml|" +
        template.source + "}.to_xml;"
    end
  end
end

ActionView::Template.register_template_handler :nxml, ActionView::Template::Handlers::NokogiriBuilder.new