Using Xup to create a RSS feed

example.rb

$:.unshift File.join(File.dirname(__FILE__), 'lib')
require 'time'
require 'xup'
require 'xup/modules/xml'

class Xup::Document::RSS < Xup::Context
  use Xup::Modules::XML
end


context = Xup::Document::RSS.new do
  instruct! :xml, :version => "1.0", :encoding => "UTF-8"

  tag! :rss, '', :version => "2.0" do
    tag! :channel do
      tag! :title, "Yapok"
      tag! :description, "Yapok"
      tag! :link, "http://yapok.org/"
      tag! :item do
        tag! :title, "An item"
        tag! :link,  "http://yapok.org/post/an_item"
        tag! :description, "Contents"
        tag! :pubDate, Time.now.httpdate
        tag! :guid, "http://yapok.org/post/an_item"
      end
    end
  end
end

puts context.buffer

output.xml

<?xml  version="1.0" encoding="UTF-8"?>
<rss version="2.0">
  <channel>
    <title>Yapok</title>
    <description>Yapok</description>
    <link>http://yapok.org/</link>
    <item>
      <title>An item</title>
      <link>http://yapok.org/post/an_item</link>
      <description>Contents</description>
      <pubDate>Fri, 26 Jun 2009 12:32:32 GMT</pubDate>
      <guid>http://yapok.org/post/an_item</guid>
    </item>
  </channel>
</rss>