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doctrine2/lib/Doctrine/ORM/Proxy/Autoloader.php

101 lines
3.5 KiB
PHP

<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Proxy;
use Doctrine\ORM\Configuration;
use Closure;
/**
* Special Autoloader for Proxy classes because them not being PSR-0 compatible.
*
* @author Benjamin Eberlei <kontakt@beberlei.de>
*/
class Autoloader
{
/**
* Resolves proxy class name to a filename based on the following pattern.
*
* 1. Remove Proxy namespace from class name
* 2. Remove namespace seperators from remaining class name.
* 3. Return PHP filename from proxy-dir with the result from 2.
*
* @param string $proxyDir
* @param string $proxyNamespace
* @param string $className
*
* @return string
*
* @throws ProxyException
*/
static public function resolveFile($proxyDir, $proxyNamespace, $className)
{
if (0 !== strpos($className, $proxyNamespace)) {
throw ProxyException::notProxyClass($className, $proxyNamespace);
}
$className = str_replace('\\', '', substr($className, strlen($proxyNamespace) +1));
return $proxyDir . DIRECTORY_SEPARATOR . $className.'.php';
}
/**
* Registers and returns autoloader callback for the given proxy dir and
* namespace.
*
* @param string $proxyDir
* @param string $proxyNamespace
* @param \Closure $notFoundCallback Invoked when the proxy file is not found.
*
* @return \Closure
*/
static public function register($proxyDir, $proxyNamespace, Closure $notFoundCallback = null)
{
$proxyNamespace = ltrim($proxyNamespace, "\\");
$autoloader = function($className) use ($proxyDir, $proxyNamespace, $notFoundCallback) {
if (0 === strpos($className, $proxyNamespace)) {
$file = Autoloader::resolveFile($proxyDir, $proxyNamespace, $className);
if ($notFoundCallback && ! file_exists($file)) {
$notFoundCallback($proxyDir, $proxyNamespace, $className);
}
require $file;
}
};
spl_autoload_register($autoloader, true, true);
return $autoloader;
}
/**
* Registers and returns autoloader callback from a Configuration instance
*
* @param Configuration $config
* @param \Closure $notFoundCallback
*
* @return \Closure
*/
static public function registerFromConfiguration(Configuration $configuration, Closure $notFoundCallback)
{
return self::register($configuration->getProxyDir(), $configuration->getProxyNamespace(), $notFoundCallback);
}
}