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- <?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 Symfony\Component\DependencyInjection\Compiler;
- use Symfony\Component\DependencyInjection\Alias;
- use Symfony\Component\DependencyInjection\ContainerBuilder;
- use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
- /**
- * Sets a service to be an alias of another one, given a format pattern.
- */
- class AutoAliasServicePass implements CompilerPassInterface
- {
- /**
- * {@inheritdoc}
- */
- public function process(ContainerBuilder $container)
- {
- foreach ($container->findTaggedServiceIds('auto_alias') as $serviceId => $tags) {
- foreach ($tags as $tag) {
- if (!isset($tag['format'])) {
- throw new InvalidArgumentException(sprintf('Missing tag information "format" on auto_alias service "%s".', $serviceId));
- }
- $aliasId = $container->getParameterBag()->resolveValue($tag['format']);
- if ($container->hasDefinition($aliasId) || $container->hasAlias($aliasId)) {
- $container->setAlias($serviceId, new Alias($aliasId, true));
- }
- }
- }
- }
- }
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