Файл: library/XenForo/Autoloader.php
Строк: 142
<?php
/**
* A constant that must be made available for any other XenForo class to be included.
*
* @var boolean
*/
define('XENFORO_AUTOLOADER_SETUP', true);
/**
* Base XenForo autoloader class. This must be the first class loaded and setup as the
* application/registry depends on it for loading classes.
*
* @package XenForo_Core
*/
class XenForo_Autoloader
{
/**
* Instance manager.
*
* @var XenForo_Autoloader
*/
protected static $_instance;
/**
* Path to directory containing the application's library.
*
* @var string
*/
protected $_rootDir = '.';
/**
* Stores whether the autoloader has been setup yet.
*
* @var boolean
*/
protected $_setup = false;
/**
* Protected constructor. Use {@link getInstance()} instead.
*/
protected function __construct()
{
}
/**
* Setup the autoloader. This causes the environment to be setup as necessary.
*
* @param string Path to application library directory. See {@link $_rootDir}
*/
public function setupAutoloader($rootDir)
{
if ($this->_setup)
{
return;
}
$this->_rootDir = $rootDir;
$this->_setupAutoloader();
$this->_setup = true;
}
/**
* Internal method that actually applies the autoloader. See {@link setupAutoloader()}
* for external usage.
*/
protected function _setupAutoloader()
{
if (@ini_get('open_basedir'))
{
// many servers don't seem to set include_path correctly with open_basedir, so don't use it
set_include_path($this->_rootDir . PATH_SEPARATOR . '.');
}
else
{
set_include_path($this->_rootDir . PATH_SEPARATOR . '.' . PATH_SEPARATOR . get_include_path());
}
/*require_once('Zend/Loader/Autoloader.php');
$autoloader = Zend_Loader_Autoloader::getInstance();
$autoloader->pushAutoloader(array($this, 'autoload'));*/
spl_autoload_register(array($this, 'autoload'));
}
/**
* Autoload the specified class.
*
* @param string $class Name of class to autoload
*
* @return boolean
*/
public function autoload($class)
{
if (class_exists($class, false) || interface_exists($class, false))
{
return true;
}
if ($class == 'utf8_entity_decoder')
{
return true;
}
if (substr($class, 0, 5) == 'XFCP_')
{
throw new XenForo_Exception('Cannot load class using XFCP. Load the class using the correct loader first.');
}
$filename = $this->autoloaderClassToFile($class);
if (!$filename)
{
return false;
}
if (file_exists($filename))
{
include($filename);
return (class_exists($class, false) || interface_exists($class, false));
}
return false;
}
/**
* Resolves a class name to an autoload path.
*
* @param string Name of class to autoload
*
* @return string|false False if the class contains invalid characters.
*/
public function autoloaderClassToFile($class)
{
if (preg_match('#[^a-zA-Z0-9_\\]#', $class))
{
return false;
}
return $this->_rootDir . '/' . str_replace(array('_', '\'), '/', $class) . '.php';
}
/**
* Gets the autoloader's root directory.
*
* @return string
*/
public function getRootDir()
{
return $this->_rootDir;
}
/**
* Gets the autoloader instance.
*
* @return XenForo_Autoloader
*/
public static final function getInstance()
{
if (!self::$_instance)
{
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Manually sets the autoloader instance. Use this to inject a modified version.
*
* @param XenForo_Autoloader|null
*/
public static function setInstance(XenForo_Autoloader $loader = null)
{
self::$_instance = $loader;
}
}