class ResolveReferencesToAliasesPass
Replaces all references to aliases with references to the actual service.
@author Johannes M. Schmitt <schmittjoh@gmail.com>
Hierarchy
- class \Symfony\Component\DependencyInjection\Compiler\AbstractRecursivePass implements \Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface
- class \Symfony\Component\DependencyInjection\Compiler\ResolveReferencesToAliasesPass extends \Symfony\Component\DependencyInjection\Compiler\AbstractRecursivePass
Expanded class hierarchy of ResolveReferencesToAliasesPass
File
-
vendor/
symfony/ dependency-injection/ Compiler/ ResolveReferencesToAliasesPass.php, line 23
Namespace
Symfony\Component\DependencyInjection\CompilerView source
class ResolveReferencesToAliasesPass extends AbstractRecursivePass {
protected bool $skipScalars = true;
public function process(ContainerBuilder $container) : void {
parent::process($container);
foreach ($container->getAliases() as $id => $alias) {
$aliasId = (string) $alias;
$this->currentId = $id;
if ($aliasId !== ($defId = $this->getDefinitionId($aliasId, $container))) {
$container->setAlias($id, $defId)
->setPublic($alias->isPublic());
}
}
}
protected function processValue(mixed $value, bool $isRoot = false) : mixed {
if (!$value instanceof Reference) {
return parent::processValue($value, $isRoot);
}
$defId = $this->getDefinitionId($id = (string) $value, $this->container);
return $defId !== $id ? new Reference($defId, $value->getInvalidBehavior()) : $value;
}
private function getDefinitionId(string $id, ContainerBuilder $container) : string {
if (!$container->hasAlias($id)) {
return $id;
}
$alias = $container->getAlias($id);
if ($alias->isDeprecated()) {
$referencingDefinition = $container->hasDefinition($this->currentId) ? $container->getDefinition($this->currentId) : $container->getAlias($this->currentId);
if (!$referencingDefinition->isDeprecated()) {
$deprecation = $alias->getDeprecation($id);
trigger_deprecation($deprecation['package'], $deprecation['version'], rtrim($deprecation['message'], '. ') . '. It is being referenced by the "%s" ' . ($container->hasDefinition($this->currentId) ? 'service.' : 'alias.'), $this->currentId);
}
}
$seen = [];
do {
if (isset($seen[$id])) {
throw new ServiceCircularReferenceException($id, array_merge(array_keys($seen), [
$id,
]));
}
$seen[$id] = true;
$id = (string) $container->getAlias($id);
} while ($container->hasAlias($id));
return $id;
}
}