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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\ContainerBuilder;
- use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
- use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException;
- use Symfony\Component\DependencyInjection\Reference;
- /**
- * Replaces aliases with actual service definitions, effectively removing these
- * aliases.
- *
- * @author Johannes M. Schmitt <schmittjoh@gmail.com>
- */
- class ReplaceAliasByActualDefinitionPass extends AbstractRecursivePass
- {
- private $replacements;
- /**
- * Process the Container to replace aliases with service definitions.
- *
- * @throws InvalidArgumentException if the service definition does not exist
- */
- public function process(ContainerBuilder $container)
- {
- // First collect all alias targets that need to be replaced
- $seenAliasTargets = [];
- $replacements = [];
- foreach ($container->getAliases() as $definitionId => $target) {
- $targetId = (string) $target;
- // Special case: leave this target alone
- if ('service_container' === $targetId) {
- continue;
- }
- // Check if target needs to be replaces
- if (isset($replacements[$targetId])) {
- $container->setAlias($definitionId, $replacements[$targetId])->setPublic($target->isPublic());
- }
- // No need to process the same target twice
- if (isset($seenAliasTargets[$targetId])) {
- continue;
- }
- // Process new target
- $seenAliasTargets[$targetId] = true;
- try {
- $definition = $container->getDefinition($targetId);
- } catch (ServiceNotFoundException $e) {
- if ('' !== $e->getId() && '@' === $e->getId()[0]) {
- throw new ServiceNotFoundException($e->getId(), $e->getSourceId(), null, [substr($e->getId(), 1)]);
- }
- throw $e;
- }
- if ($definition->isPublic()) {
- continue;
- }
- // Remove private definition and schedule for replacement
- $definition->setPublic($target->isPublic());
- $container->setDefinition($definitionId, $definition);
- $container->removeDefinition($targetId);
- $replacements[$targetId] = $definitionId;
- }
- $this->replacements = $replacements;
- parent::process($container);
- $this->replacements = [];
- }
- /**
- * {@inheritdoc}
- */
- protected function processValue($value, bool $isRoot = false)
- {
- if ($value instanceof Reference && isset($this->replacements[$referenceId = (string) $value])) {
- // Perform the replacement
- $newId = $this->replacements[$referenceId];
- $value = new Reference($newId, $value->getInvalidBehavior());
- $this->container->log($this, sprintf('Changed reference of service "%s" previously pointing to "%s" to "%s".', $this->currentId, $referenceId, $newId));
- }
- return parent::processValue($value, $isRoot);
- }
- }
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