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<?php
/**
* @package admintools
* @copyright Copyright (c)2010-2023 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU General Public License version 3, or later
*/
defined('_JEXEC') || die();
if (!defined('ATSYSTEM_AUTOLOADER'))
{
define('ATSYSTEM_AUTOLOADER', 1);
}
/**
* The class autoloader for Admin Tools system plugin
*
* @package AdminTools
* @subpackage plugin.system.admintools
* @since 3.2.0
*/
class AdmintoolsAutoloaderPlugin
{
/**
* An instance of this autoloader
*
* @var AdmintoolsAutoloaderPlugin
*/
public static $autoloader = null;
/**
* The path to the root directory
*
* @var string
*/
public static $pluginPath = null;
/**
* Public constructor. Registers the autoloader with PHP.
*/
public function __construct()
{
self::$pluginPath = __DIR__;
spl_autoload_register([$this, 'autoload_admintools_system_plugin']);
}
/**
* Initialise this autoloader
*
* @return AdmintoolsAutoloaderPlugin
*/
public static function init()
{
if (self::$autoloader == null)
{
self::$autoloader = new self;
}
return self::$autoloader;
}
/**
* The actual autoloader
*
* @param string $class_name The name of the class to load
*
* @return void
*/
public function autoload_admintools_system_plugin($class_name)
{
// Make sure the class has an Atsystem prefix
if (substr($class_name, 0, 8) != 'Atsystem')
{
return;
}
// Remove the prefix
$class = substr($class_name, 8);
// Change from camel cased (e.g. FeatureFoobar) into a lowercase array (e.g. 'feature','foobar')
$class = preg_replace('/(\s)+/', '_', $class);
$class = strtolower(preg_replace('/(?<=\\w)([A-Z])/', '_\\1', $class));
$class = explode('_', $class);
// First try finding in structured directory format, e.g. feature/foobar.php
$path = self::$pluginPath . '/' . implode('/', $class) . '.php';
if (@file_exists($path))
{
include_once $path;
}
// Then try the duplicate last name structured directory format, e.g. feature/foobar/foobar.php
if (!class_exists($class_name, false))
{
reset($class);
$lastPart = end($class);
$path = self::$pluginPath . '/' . implode('/', $class) . '/' . $lastPart . '.php';
if (@file_exists($path))
{
include_once $path;
}
}
}
}