nokogiri_to_hash.rb

require 'nokogiri'

class Nokogiri::XML::Node
  def to_hash(selector = 'body > *')
    hash = []
    self.css(selector).each do |node|
      hash << node.collect_nodes
    end
    hash
  end
  
  def collect_nodes
    { self.name.to_sym => self.collect_attributes.merge(:children => collect_children) }
  end
  
  def collect_attributes
    self.attributes.inject({}) { |collected, attr|
      collected.merge attr[0].to_sym => attr[1].to_s.split(/\s+/)
    }
  end
  
  def collect_children
    self.element_children.collect { |child| child.collect_nodes } || []
  end
end