xml 解析类 <?php
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/*                                                              
* Copyright (c) 2003 NightKids  <weidewang@magus-soft.com>                     
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################################
/*
Last modify 2003-10-24  10:41:11
XML 分析类.上面是实用的例子,返回结果是一个二维数组 格式 $Result[x][xml标记]=xml标记值;
这里没有从 http 中取数据,要用另外一个类取数据.
*/
class z99ParseXML{
#----------------------
   var $ParseHandle=NULL; //解析器指针
   var $CharSet="utf-8";//编码方式
   var $Tag=NULL;
   var $Attrib=array();
   var $DataString=NULL;
   var $XMLData=NULL;

   var $debug = false;

   var $ReturnData=array();

   var $CurrentTag=NULL;
   var $OpenTag=array();
   var $CloseTag=array();

   //var $NeedParseArray=array();
   var $NeedParseBlockArray=array();
   var $TagSum=0;

   var $CurrentTagA=NULL;

   var $TmpData=NULL;
#----------------------
   function z99ParseXML(){
      $this->ParseHandle = xml_parser_create($this->CharSet);      
      if(!$this->ParseHandle){ echo "不能创建 XML 解析器.<br />";
         return false;
      }
   }#Function 分析XML End.
   /*
   function SetNeedParse($NeedParse){
      $this->NeedParseArray=$NeedParse;
   }*/
   function SetNeedParseBlock($NeedParseBlock){
      $this->NeedParseBlockArray=$NeedParseBlock;
   }
   function SetXMLData($XMLData=NULL){//设置XML数据
      if($XMLData==""){ if($this->debug) echo "XML 数据为空.<br />";exit();
         return false;
      }
      $this->XMLData=$XMLData;
   }#Function SetXMLData End.

   function GetXMLData(){
      if($this->XMLData==""){   if($this->debug) echo "还没有设置 XML 数据.<br />";exit();
         return false;
      }
      return $this->XMLData;
   }#Function getXMLData End.   

   function ParseXMLData(){   
      if($this->debug && !$this->ParseHandle) echo "不能创建 XML 解析器.<br />";   
      //if(!is_array($this->NeedParseArray) && $this->debug) echo "请设置要分析的标记.<br />";
        $XMLData = $this->GetXMLData();
        $this->XMLData = preg_replace('/<\?xml(.*)?\?'.'>/', '', $XMLData);
        if( trim($this->XMLData)=="" ){ if($this->debug) echo "XML 数据错误.<br />";
           return false;
          }
          xml_parser_set_option($this->ParseHandle, XML_OPTION_CASE_FOLDING, false);
      xml_parser_set_option($this->ParseHandle, XML_OPTION_TARGET_ENCODING, $this->CharSet);
      xml_set_object($this->ParseHandle, $this);
      xml_set_element_handler($this->ParseHandle, 'StartTag', 'EndTag');
      xml_set_character_data_handler($this->ParseHandle, 'CData');
      if (!xml_parse($this->ParseHandle, $this->XMLData)) {
         if($this->debug)
             die(sprintf('XML error: %s at line %d',
                xml_error_string(xml_get_error_code($this->ParseHandle)),
                xml_get_current_line_number($this->ParseHandle)));
            return false;
        }
   }#Function 解析XML数据 End.

   function StartTag($ParseHandle,$Tag,$Attrib){#解析器句柄，标记名称，标记属性(数组)      
      $this->OpenTag[$Tag];      
   }#Function 起始标记 End.

   function CData($ParseHandle=NULL,$DataString=NULL){   
      $this->TmpData=$DataString;
   }#Function 取数据 End.

   function EndTag($ParseHandle,$Tag){
      $NeedParse=$this->NeedParseBlockArray;      
      $this->CloseTag[$Tag];
      $this->CurrentTag=$Tag;
      $TmpData=$this->TmpData;
      $DataLen=strlen(trim($TmpData));
      if( $DataLen !=0 ){
         $this->ReturnData[$this->TagSum][$Tag]=$TmpData;
      }
      if(array_search($Tag,$NeedParse)!==false) $this->TagSum++;      
   }#Function 结束标记 End.      
   function Result(){
      $aTmp=$this->ReturnData;
      return $aTmp;
   }
#----------------------
}#Class 分析XML End.
#===========================
# 使用实例
#
#===========================
/*
$XMLData= <<< EOD
<U-MAX>
    <ValidError>
        <ValidErrorCode>ErrorCode</ValidErrorCode>
        <ValidErrorInfo>The 'ProductCode' element has an invalid value according to its data type. An error occurred at(35, 29).</ValidErrorInfo>
      <ErrMSG>Eraer23 asdf SGs</ErrMSG>
    </ValidError>
   <ValidError>
        <ValidErrorCode>ErrorCode1</ValidErrorCode>
        <ValidErrorInfo>111The 'ProductCode' element has an invalid value according to its data type. An error occurred at(35, 29).</ValidErrorInfo>
      <ErrMSG>Errf aeaa SGs</ErrMSG>
    </ValidError>
   <ValidError>
        <ValidErrorCode>ErrorCo234</ValidErrorCode>
        <ValidErrorInfo>111The 'ProductCode' element has an invalid value according to its data type. An error occurred at(35, 29).</ValidErrorInfo>
      <ErrMSG>Errfae asdfSGs</ErrMSG>
    </ValidError>
   <ValidError>
        <ValidErrorCode>Erasdfasode1</ValidErrorCode>
        <ValidErrorInfo>11fasd asdas a sd29).</ValidErrorInfo>
      <ErrMSG>Eafe3aeaSGs</ErrMSG>
    </ValidError>
</U-MAX>
EOD;
#===========================   
   //$NeedParse=array("ValidErrorCode","ValidErrorInfo");
   $NeedParseBlock=array("ValidError","Fuck");
   $xx = new z99ParseXML();   
   $xx->debug=true;   
   //$xx->SetNeedParse($NeedParse);//设置需要分析的标记
   $xx->SetNeedParseBlock($NeedParseBlock);//设置需要分析的标记块 比如上面的块是 ValidError
   $xx->SetXMLData($XMLData);
   $xx->GetXMLData();   
   $xx->ParseXMLData();   //如果 === false 说明分析数据时发生错误

   $aa=$xx->Result();
   echo $aa[0][ValidErrorCode]."<br>";
   echo $aa[0][ErrMSG]."<br>";
   echo $aa[0][ValidErrorInfo]."<br>";
   echo "<br>";
   echo $aa[1][ValidErrorCode]."<br>";
   echo $aa[1][ErrMSG]."<br>";
   echo $aa[1][ValidErrorInfo]."<br>";
   for($i=0;$i<=count($aa)-1;$i++){
      //echo $aa[$i][ValidErrorCode];
      //echo $aa[$i][ValidErrorInfo]."<br>";
   }   
#===========================
*/
ob_end_flush();
?>