Nokogiri parameterized Builder

nokogiri_build.rb

require 'nokogiri'

def mkxml(b, nm, bhash)
  b.send(nm.to_s) {
    bhash.each_pair do |k, v|
      if(v.is_a?(Hash))
        mkxml(b, k, v)
      elsif(v.is_a?(Array))
        b.send(k, v.shift, v[0].keys.first => v[0].values.first)
      else
        b.send(k, v)
      end
    end
  }
end

xmlhash = {:Rootish => ['asdf',{:id => 122}], :pelement => {:selement => {:element => 'Hello World'}}}

builder = Nokogiri::XML::Builder.new do |xml|
  mkxml(xml, 'Body', xmlhash)
end


puts builder.to_xml