class Object

# File lib/ruby/nokogiri_ext.rb, line 4
def add_element(name, attributes={})
  (prefix, name) = name.split(':') if name.include?(':')
  node = Nokogiri::XML::Node.new(name, self)
  attributes.each do |attr, val|
    node.set_attribute(attr, val)
  end
  ns = node.add_namespace_definition(prefix, Ruby::Ods::Manager::NAMESPACES[prefix])
  node.namespace = ns
  self.add_child(node)
  node
end

# File lib/ruby/nokogiri_ext.rb, line 16
def fetch(xpath)
  if node = self.xpath(xpath).first
    return node
  end

  return self.add_element(xpath) unless xpath.include?('/')

  xpath = xpath.split('/')
  last_path = xpath.pop
  fetch(xpath.join('/')).fetch(last_path)
end