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File Content: `ResolveReferencesToAliasesPass.php`

<?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\Reference;
use Symfony\Component\DependencyInjection\ContainerBuilder;

/**
 * Replaces all references to aliases with references to the actual service.
 *
 * @author Johannes M. Schmitt <schmittjoh@gmail.com>
 */
class ResolveReferencesToAliasesPass implements CompilerPassInterface
{
    private $container;

    /**
     * Processes the ContainerBuilder to replace references to aliases with actual service references.
     *
     * @param ContainerBuilder $container
     */
    public function process(ContainerBuilder $container)
    {
        $this->container = $container;

        foreach ($container->getDefinitions() as $definition) {
            if ($definition->isSynthetic() || $definition->isAbstract()) {
                continue;
            }

            $definition->setArguments($this->processArguments($definition->getArguments()));
            $definition->setMethodCalls($this->processArguments($definition->getMethodCalls()));
            $definition->setProperties($this->processArguments($definition->getProperties()));
        }

        foreach ($container->getAliases() as $id => $alias) {
            $aliasId = (string) $alias;
            if ($aliasId !== $defId = $this->getDefinitionId($aliasId)) {
                $container->setAlias($id, new Alias($defId, $alias->isPublic()));
            }
        }
    }

    /**
     * Processes the arguments to replace aliases.
     *
     * @param array $arguments An array of References
     *
     * @return array An array of References
     */
    private function processArguments(array $arguments)
    {
        foreach ($arguments as $k => $argument) {
            if (is_array($argument)) {
                $arguments[$k] = $this->processArguments($argument);
            } elseif ($argument instanceof Reference) {
                $defId = $this->getDefinitionId($id = (string) $argument);

                if ($defId !== $id) {
                    $arguments[$k] = new Reference($defId, $argument->getInvalidBehavior(), $argument->isStrict());
                }
            }
        }

        return $arguments;
    }

    /**
     * Resolves an alias into a definition id.
     *
     * @param string $id The definition or alias id to resolve
     *
     * @return string The definition id with aliases resolved
     */
    private function getDefinitionId($id)
    {
        while ($this->container->hasAlias($id)) {
            $id = (string) $this->container->getAlias($id);
        }

        return $id;
    }
}

Name	Size	Permission
AnalyzeServiceReferencesPass.php	4512 bytes	0644
CheckCircularReferencesPass.php	2417 bytes	0644
CheckDefinitionValidityPass.php	3684 bytes	0644
CheckExceptionOnInvalidReferenceBehaviorPass.php	2102 bytes	0644
CheckReferenceValidityPass.php	5634 bytes	0644
Compiler.php	2613 bytes	0644
CompilerPassInterface.php	746 bytes	0644
InlineServiceDefinitionsPass.php	4592 bytes	0644
LoggingFormatter.php	1468 bytes	0644
MergeExtensionConfigurationPass.php	1884 bytes	0644
PassConfig.php	6040 bytes	0644
RemoveAbstractDefinitionsPass.php	1063 bytes	0644
RemovePrivateAliasesPass.php	1267 bytes	0644
RemoveUnusedDefinitionsPass.php	2772 bytes	0644
RepeatablePassInterface.php	691 bytes	0644
RepeatedPass.php	2083 bytes	0644
ReplaceAliasByActualDefinitionPass.php	4166 bytes	0644
ResolveDefinitionTemplatesPass.php	5550 bytes	0644
ResolveInvalidReferencesPass.php	3500 bytes	0644
ResolveParameterPlaceHoldersPass.php	2158 bytes	0644
ResolveReferencesToAliasesPass.php	2896 bytes	0644
ServiceReferenceGraph.php	2857 bytes	0644
ServiceReferenceGraphEdge.php	1517 bytes	0644
ServiceReferenceGraphNode.php	2545 bytes	0644

File Content: ResolveReferencesToAliasesPass.php

File Content: `ResolveReferencesToAliasesPass.php`