<?php

// Developed by : P. Shunmuga prasath, Prabhakar and Ravi
// Created on : 19-Mar-2007

// To parse the xml and returns the array


class ParseXML{

// To get the child nodes
      function GetChildren($vals, &$incre) { 
         $children = array(); // Contains node data
         if (isset($vals[$incre]['value'])){
            $children['value'] = $vals[$incre]['value'];
         } 
         
         while (++$incre < count($vals)){ 
            switch ($vals[$incre]['type']){
               
            case 'cdata': 
               if (isset($children['value'])){
                  $children['value'] .= $vals[$incre]['value'];
               } else {
                  $children['value'] = $vals[$incre]['value'];
               } 
            break;
            
            case 'complete':
               if (isset($vals[$incre]['attributes'])) {
                  $children[$vals[$incre]['tag']][]['attributes'] = $vals[$incre]['attributes'];
                  $index = count($children[$vals[$incre]['tag']])-1;
         
                  if (isset($vals[$incre]['value'])){ 
                     $children[$vals[$incre]['tag']][$index]['value'] = $vals[$incre]['value']; 
                  } else {
                     $children[$vals[$incre]['tag']][$index]['value'] = '';
                  }
               } else {
                  if (isset($vals[$incre]['value'])){
                     $children[$vals[$incre]['tag']][]['value'] = $vals[$incre]['value']; 
                  } else {
                     $children[$vals[$incre]['tag']][]['value'] = '';
                  } 
               }
            break;
            
            case 'open': 
               if (isset($vals[$incre]['attributes'])) {
                  $children[$vals[$incre]['tag']][]['attributes'] = $vals[$incre]['attributes'];
                  $index = count($children[$vals[$incre]['tag']])-1;
                  $children[$vals[$incre]['tag']][$index] = array_merge($children[$vals[$incre]['tag']][$index],$this->GetChildren($vals, $incre));
               } else {
                  $children[$vals[$incre]['tag']][] = $this->GetChildren($vals, $incre);
               }
            break; 
         
            case 'close': 
               return $children; 
         } 
      }
   }
     
      function GetXMLTree($xmlloc){ 
         if (file_exists($xmlloc)){
            $data = implode('', file($xmlloc)); 
         } else {
            $fp = fopen($xmlloc,'r');
            while(!feof($fp)){
               $data = $data . fread($fp, 1024);
            }
      
            fclose($fp);
         }
        $data = $this->_translateLiteral2NumericEntities($data);
         $parser = xml_parser_create('ISO-8859-1');
         xml_parser_set_option( $parser, XML_OPTION_CASE_FOLDING, 0 );
         xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1); 
         xml_parse_into_struct($parser, $data, $vals, $index); 
         xml_parser_free($parser); 
      
         $tree = array(); 
         $incre = 0; 
      
         if (isset($vals[$incre]['attributes'])) {
            $tree[$vals[$incre]['tag']][]['attributes'] = $vals[$incre]['attributes']; 
            $index = count($tree[$vals[$incre]['tag']])-1;
            $tree[$vals[$incre]['tag']][$index] =  array_merge($tree[$vals[$incre]['tag']][$index], $this->GetChildren($vals, $incre));
         } else {
            $tree[$vals[$incre]['tag']][] = $this->GetChildren($vals, $incre); 
         }
      return $tree; 
      }

function _translateLiteral2NumericEntities($xmlSource, $reverse =
FALSE) {
    static $literal2NumericEntity;
    
    if (empty($literal2NumericEntity)) {
      $transTbl = get_html_translation_table(HTML_ENTITIES);
      foreach ($transTbl as $char => $entity) {
        if (strpos('&"<>', $char) !== FALSE) continue;
        $literal2NumericEntity[$entity] = '&#'.ord($char).';';
      }
    }
    if ($reverse) {
      return strtr($xmlSource, array_flip($literal2NumericEntity));
    } else {
      return strtr($xmlSource, $literal2NumericEntity);
    }
  }


}