60 lines
2.3 KiB
PHP
60 lines
2.3 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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class RegisterKernelListenersPass 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('event_dispatcher')) {
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return;
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}
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$definition = $container->getDefinition('event_dispatcher');
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foreach ($container->findTaggedServiceIds('kernel.event_listener') as $id => $events) {
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foreach ($events as $event) {
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$priority = isset($event['priority']) ? $event['priority'] : 0;
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if (!isset($event['event'])) {
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throw new \InvalidArgumentException(sprintf('Service "%s" must define the "event" attribute on "kernel.event_listener" tags.', $id));
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}
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if (!isset($event['method'])) {
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$event['method'] = 'on'.preg_replace(array(
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'/(?<=\b)[a-z]/ie',
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'/[^a-z0-9]/i'
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), array('strtoupper("\\0")', ''), $event['event']);
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}
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$definition->addMethodCall('addListenerService', array($event['event'], array($id, $event['method']), $priority));
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}
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}
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foreach ($container->findTaggedServiceIds('kernel.event_subscriber') as $id => $attributes) {
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// We must assume that the class value has been correctly filled, even if the service is created by a factory
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$class = $container->getDefinition($id)->getClass();
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$refClass = new \ReflectionClass($class);
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$interface = 'Symfony\Component\EventDispatcher\EventSubscriberInterface';
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if (!$refClass->implementsInterface($interface)) {
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throw new \InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $id, $interface));
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}
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$definition->addMethodCall('addSubscriberService', array($id, $class));
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}
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}
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}
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