File Source for TeraWurflXMLParser

<?php
/**
* Tera_WURFL - PHP MySQL driven WURFL
*
* Tera-WURFL was written by Steve Kamerman, and is based on the
* Java WURFL Evolution package by Luca Passani and WURFL PHP Tools by Andrea Trassati.
* This version uses a MySQL database to store the entire WURFL file, multiple patch
* files, and a persistent caching mechanism to provide extreme performance increases.
*
* @package TeraWurflXMLParser
* @author Steve Kamerman <stevekamerman AT gmail.com>
* @version Stable 2.1.3 $Date: 2010/09/18 15:43:21
* @license http://www.mozilla.org/MPL/ MPL Vesion 1.1
*/
/**
* Loads the wurfl.xml file using SimpleXML
* @package TeraWurflXMLParser
*/
class TeraWurflXMLParser_SimpleXML extends TeraWurflXMLParser {
public function __construct(){
if(function_exists('simplexml_load_file')){
$this->parser_type = self::$PARSER_SIMPLEXML;
}else{
throw new Exception("Cannot load SimpleXML");
}
}
public function open($filename,$file_type){
$this->file_type = $file_type;
if(function_exists('libxml_use_internal_errors')){
// Use advanced logging from libXML
//TODO: Figure out why LibXML doesn't properly report "out of memory" errors
// when "libxml_use_internal_errors(true);". The errors are accounted
// for, but their ::message property is null.
//libxml_use_internal_errors(true);
$this->xml = simplexml_load_file($filename);
if (!$this->xml) {
$errors = libxml_get_errors();
foreach ($errors as $error) {
$type = '';
switch ($error->level) {
case LIBXML_ERR_WARNING:
$type = "Warning";
break;
case LIBXML_ERR_ERROR:
$type = "Error";
break;
case LIBXML_ERR_FATAL:
$type = "Fatal Error";
break;
}
$this->errors[] = "$type: " . trim($error->message);
}
libxml_clear_errors();
}
}else{
try{
$this->xml = simplexml_load_file($filename);
}catch(Exception $ex){}
if(!$this->xml){
$this->errors[] = "Error: cannot parse XML file: $filename.";
}
}
if(count($this->errors) > 0){
throw new Exception("SimpleXML reported the following errors:\n".implode("\n",$this->errors));
}
}
public function process(Array &$destination){
$this->devices =& $destination;
if($this->file_type == self::$TYPE_WURFL && isset($this->xml->version)){
$this->wurflVersion = (string) $this->xml->version->ver;
$this->wurflLastUpdated = (string) $this->xml->version->last_updated;
}
$before_errors = count($this->errors);
foreach($this->xml->devices->device as $device){
$this->loadDeviceXMLToArray($device);
}
}
protected function loadDeviceXMLToArray(&$device){
$id = (string)$device['id'];
$this->devices[$id] = array('id'=>$id);
$filtering = (TeraWurflConfig::$CAPABILITY_FILTER)? true:false;
$includegroup = false;
if(isset($device['fall_back'])) $this->devices[$id]['fall_back'] = (string)$device['fall_back'];
if(isset($device['user_agent'])) $this->devices[$id]['user_agent'] = UserAgentUtils::cleanUserAgent((string)$device['user_agent']);
if(isset($device['actual_device_root'])){
$this->devices[$id]['actual_device_root'] = (string)$device['actual_device_root'];
$this->devices[$id]['actual_device_root'] = ($this->devices[$id]['actual_device_root'])?1:0;
}
foreach($device->group as $group){
$groupname = (string)$group['id'];
if($filtering && $this->enabled($groupname)){
$includegroup = true;
}else{
$includegroup = false;
}
$groupdata = array();
foreach($group->capability as $cap){
$capname = (string)$cap['name'];
if(!$filtering || ($filtering && $includegroup) || ($filtering && !$includegroup && $this->enabled($capname))){
$groupdata[$capname]=$this->cleanValue((string)$cap['value']);
}
}
if(count($groupdata) > 0){
$this->devices[$id][$groupname] = $groupdata;
}
unset($groupdata);
}
}
}

Source for file TeraWurflXMLParser_SimpleXML.php