＜?php
/**
 *=========================================================
 *
 * @author     hahawen(大龄青年)  
 * @since      2004-12-04
 * @copyright  Copyright (c) 2004, NxCoder Group
 *
 *=========================================================
 */
/**
 * class SimpleDocumentParser
 * use SAX parse xml file, and build SimpleDocumentObject
 * all this pachage's is work for xml file, and method is action as DOM.
 *
 * @package SmartWeb.common.xml
 * @version 1.0
 */
class SimpleDocumentParser
{
 private $domRootObject = null;
 private $currentNO = null;
 private $currentName = null;
 private $currentValue = null;
 private $currentAttribute = null;
 public function getSimpleDocument()
 {
     return $this-＞domRootObject;
 }
 public function parse($file)
 {
        $xmlParser = xml_parser_create();
     xml_parser_set_option($xmlParser,XML_OPTION_CASE_FOLDING, 0);
     xml_parser_set_option($xmlParser,XML_OPTION_SKIP_WHITE, 1);
     xml_parser_set_option($xmlParser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
     xml_set_object($xmlParser, $this);
     xml_set_element_handler($xmlParser, "startElement", "endElement");
     xml_set_character_data_handler($xmlParser, "characterData");
        if (!xml_parse($xmlParser, file_get_contents($file)))
            die(sprintf("XML error: %s at line %d", xml_error_string(xml_get_error_code($xmlParser)),
　　　　　　　　xml_get_current_line_number($xmlParser)));
     xml_parser_free($xmlParser);
 }
 private function startElement($parser, $name, $attrs)
 {
        $this-＞currentName = $name;
        $this-＞currentAttribute = $attrs;
        if($this-＞currentNO == null)
        {
         $this-＞domRootObject = new SimpleDocumentRoot($name);
         $this-＞currentNO = $this-＞domRootObject;
        }
        else
        {
         $this-＞currentNO = $this-＞currentNO-＞createNode($name, $attrs);
        }
 }
    private function endElement($parser, $name)
    {
        if($this-＞currentName==$name)
        {
         $tag = $this-＞currentNO-＞getSeq();
         $this-＞currentNO = $this-＞currentNO-＞getPNodeObject();
            if($this-＞currentAttribute!=null && sizeof($this-＞currentAttribute)＞0)
          $this-＞currentNO-＞setValue($name, array('value'=＞$this-＞currentValue, 
　　　　　　　'attrs'=＞$this-＞currentAttribute));
         else
                $this-＞currentNO-＞setValue($name, $this-＞currentValue);
            $this-＞currentNO-＞removeNode($tag);
        }
        else
        {
      $this-＞currentNO = (is_a($this-＞currentNO, 'SimpleDocumentRoot'))? null: 
　　　　　　　　$this-＞currentNO-＞getPNodeObject();
        }
 }
 private function characterData($parser, $data)
 {
        $this-＞currentValue = iconv('UTF-8', 'GB2312', $data);
 }
 function __destruct()
 {
     unset($this-＞domRootObject);
 }
}
?＞