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