Файл: symfony-2.7/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/Compiler/SerializerPass.php
Строк: 111
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SymfonyBundleFrameworkBundleDependencyInjectionCompiler;
use SymfonyComponentDependencyInjectionContainerBuilder;
use SymfonyComponentDependencyInjectionCompilerCompilerPassInterface;
use SymfonyComponentDependencyInjectionReference;
/**
* Adds all services with the tags "serializer.encoder" and "serializer.normalizer" as
* encoders and normalizers to the Serializer service.
*
* @author Javier Lopez <f12loalf@gmail.com>
*/
class SerializerPass implements CompilerPassInterface
{
public function process(ContainerBuilder $container)
{
if (!$container->hasDefinition('serializer')) {
return;
}
// Looks for all the services tagged "serializer.normalizer" and adds them to the Serializer service
$normalizers = $this->findAndSortTaggedServices('serializer.normalizer', $container);
$container->getDefinition('serializer')->replaceArgument(0, $normalizers);
// Looks for all the services tagged "serializer.encoders" and adds them to the Serializer service
$encoders = $this->findAndSortTaggedServices('serializer.encoder', $container);
$container->getDefinition('serializer')->replaceArgument(1, $encoders);
}
private function findAndSortTaggedServices($tagName, ContainerBuilder $container)
{
$services = $container->findTaggedServiceIds($tagName);
if (empty($services)) {
throw new RuntimeException(sprintf('You must tag at least one service as "%s" to use the Serializer service', $tagName));
}
$sortedServices = array();
foreach ($services as $serviceId => $tags) {
foreach ($tags as $tag) {
$priority = isset($tag['priority']) ? $tag['priority'] : 0;
$sortedServices[$priority][] = new Reference($serviceId);
}
}
krsort($sortedServices);
// Flatten the array
return call_user_func_array('array_merge', $sortedServices);
}
}