Nokogiri::XML::Builder example

gistfile1.rb

require 'nokogiri'

class TripWriter
  def self.execute(xml, options)
    xml.trip options
  end

  def self.raw_xml
    '<trip><name>Movies</name><item>IMAX Movie</item></trip>'
  end
end

builder = Nokogiri::XML::Builder.new do |xml|
  xml.root {
    xml.trips {
      TripWriter.execute(xml, name: 'Honolulu')
      xml << TripWriter.raw_xml
    }
    xml.most_relevant {
      xml << TripWriter.raw_xml
    }
    xml.products {
      xml.widget {
        xml.id_ '20'
        xml.blah false
        xml.name 'Awesome widget A', type: 'haha'
      }

      begin
        xml.widget {
          xml.id_ '10'
          fail 'sux4u'
          xml.name 'Awesome widget B'
        }
      rescue
        xml.parent.remove
      end
    }
  }
end

puts builder.to_xml