/usr/share/php/Symfony/Component/DependencyInjection/Compiler/AutoAliasServicePass.php is in php-symfony-dependency-injection 2.7.10-0ubuntu2.
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/*
* 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));
}
}
}
}
}
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