/*
 * call-seq:
 *   attribute_nodes
 *
 * Get a list of attributes for this Node
 */
static VALUE attribute_nodes(VALUE self)
{
  xmlTextReaderPtr reader;
  VALUE attr ;

  Data_Get_Struct(self, xmlTextReader, reader);

  attr = rb_ary_new() ;

  if (! has_attributes(reader))
    return attr ;

  xmlNodePtr ptr = xmlTextReaderExpand(reader);
  if(ptr == NULL) return Qnil;

  // FIXME I'm not sure if this is correct.....  I don't really like pointing
  // at this document, but I have to because of the assertions in
  // the node wrapping code.
  if(!ptr->doc->_private) {
    VALUE rb_doc = Data_Wrap_Struct(cNokogiriXmlDocument, 0, 0, ptr->doc);
    rb_iv_set(rb_doc, "@decorators", Qnil);
    ptr->doc->_private = (void *)rb_doc;
  }

  Nokogiri_xml_node_properties(ptr, attr);

  return attr ;
}