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使用PHP 5.0 轻松解析XML文档（2）

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-11-03   浏览: 160 ::
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文件:SimpleDocumentParser.php 

＜?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); }}?＞

　　文件:SimpleDocumentBase.php 

＜?php/** *========================================================= * * @author hahawen(大龄青年) * @since 2004-12-04 * @copyright Copyright (c) 2004, NxCoder Group * *========================================================= *//** * abstract class SimpleDocumentBase * base class for xml file parse * all this pachage's is work for xml file, and method is action as DOM. * * 1\ add/update/remove data of xml file. * 2\ explode data to array. * 3\ rebuild xml file * * @package SmartWeb.common.xml * @abstract * @version 1.0 */abstract class SimpleDocumentBase{ private $nodeTag = null; private $attributes = array(); private $values = array(); private $nodes = array(); function __construct($nodeTag) { $this-＞nodeTag = $nodeTag; } pub