require 'rexml/document' # SimpleXML like xml parser. Written by leon breet from the ruby on rails Mailing list class XmlNode attr :node def initialize(node, options = {}) @node = node @children = {} @raise_errors = options[:raise_errors] end def self.from_xml(xml_or_io) document = REXML::Document.new(xml_or_io) if document.root XmlNode.new(document.root) else XmlNode.new(document) end end def node_encoding @node.encoding end def node_name @node.name end def node_value @node.text end def node_value=(value) @node.text = value end def xpath(expr) matches = nil REXML::XPath.each(@node, expr) do |element| matches ||= XmlNodeList.new matches << (@children[element] ||= XmlNode.new(element)) end matches end def method_missing(name, *args) name = name.to_s nodes = nil @node.each_element(name) do |element| nodes ||= XmlNodeList.new nodes << (@children[element] ||= XmlNode.new(element)) end nodes end def <<(node) if node.is_a? REXML::Node child = node elsif node.respond_to? :node child = node.node end @node.add_element child @children[child] ||= XmlNode.new(child) end def [](name) @node.attributes[name.to_s] end def []=(name, value) @node.attributes[name.to_s] = value end def to_s @node.to_s end def to_i to_s.to_i end end class XmlNodeList < Array def [](i) i.is_a?(String) ? super(0)[i] : super(i) end def []=(i, value) i.is_a?(String) ? self[0][i] = value : super(i, value) end def method_missing(name, *args) name = name.to_s self[0].__send__(name, *args) end end