Current File : /home2/selectio/public_html/3-idiots/vendor/doctrine/common/src/Proxy/Autoloader.php
<?php
namespace Doctrine\Common\Proxy;
use Closure;
use Doctrine\Common\Proxy\Exception\InvalidArgumentException;
use function call_user_func;
use function file_exists;
use function is_callable;
use function ltrim;
use function spl_autoload_register;
use function str_replace;
use function strlen;
use function strpos;
use function substr;
use const DIRECTORY_SEPARATOR;
/**
* Special Autoloader for Proxy classes, which are not PSR-0 compliant.
*
* @internal
*/
class Autoloader
{
/**
* Resolves proxy class name to a filename based on the following pattern.
*
* 1. Remove Proxy namespace from class name.
* 2. Remove namespace separators from remaining class name.
* 3. Return PHP filename from proxy-dir with the result from 2.
*
* @param string $proxyDir
* @param string $proxyNamespace
* @param string $className
* @psalm-param class-string $className
*
* @return string
*
* @throws InvalidArgumentException
*/
public static function resolveFile($proxyDir, $proxyNamespace, $className)
{
if (strpos($className, $proxyNamespace) !== 0) {
throw InvalidArgumentException::notProxyClass($className, $proxyNamespace);
}
// remove proxy namespace from class name
$classNameRelativeToProxyNamespace = substr($className, strlen($proxyNamespace));
// remove namespace separators from remaining class name
$fileName = str_replace('\\', '', $classNameRelativeToProxyNamespace);
return $proxyDir . DIRECTORY_SEPARATOR . $fileName . '.php';
}
/**
* Registers and returns autoloader callback for the given proxy dir and namespace.
*
* @param string $proxyDir
* @param string $proxyNamespace
* @param callable|null $notFoundCallback Invoked when the proxy file is not found.
*
* @return Closure
*
* @throws InvalidArgumentException
*/
public static function register($proxyDir, $proxyNamespace, $notFoundCallback = null)
{
$proxyNamespace = ltrim($proxyNamespace, '\\');
if ($notFoundCallback !== null && ! is_callable($notFoundCallback)) {
throw InvalidArgumentException::invalidClassNotFoundCallback($notFoundCallback);
}
$autoloader = static function ($className) use ($proxyDir, $proxyNamespace, $notFoundCallback) {
if ($proxyNamespace === '') {
return;
}
if (strpos($className, $proxyNamespace) !== 0) {
return;
}
$file = Autoloader::resolveFile($proxyDir, $proxyNamespace, $className);
if ($notFoundCallback && ! file_exists($file)) {
call_user_func($notFoundCallback, $proxyDir, $proxyNamespace, $className);
}
require $file;
};
spl_autoload_register($autoloader);
return $autoloader;
}
}
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