Classes List

Symfony\Component\DependencyInjection\Compiler\AutoAliasServicePass

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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)) {
                    $container->setAlias($serviceIdnew Alias($aliasIdtrue));
                }
            }
        }
    }
}