* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\DependencyInjection\Loader\Configurator; use Symfony\Component\DependencyInjection\Alias; use Symfony\Component\DependencyInjection\ChildDefinition; use Symfony\Component\DependencyInjection\ContainerBuilder; use Symfony\Component\DependencyInjection\Definition; use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; use Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException; use Symfony\Component\DependencyInjection\Loader\PhpFileLoader; /** * @author Nicolas Grekas */ class ServicesConfigurator extends AbstractConfigurator { public const FACTORY = 'services'; private $defaults; private $container; private $loader; private array $instanceof; private ?string $path; private string $anonymousHash; private int $anonymousCount; public function __construct(ContainerBuilder $container, PhpFileLoader $loader, array &$instanceof, string $path = null, int &$anonymousCount = 0) { $this->defaults = new Definition(); $this->container = $container; $this->loader = $loader; $this->instanceof = &$instanceof; $this->path = $path; $this->anonymousHash = ContainerBuilder::hash($path ?: mt_rand()); $this->anonymousCount = &$anonymousCount; $instanceof = []; } /** * Defines a set of defaults for following service definitions. */ final public function defaults(): DefaultsConfigurator { return new DefaultsConfigurator($this, $this->defaults = new Definition(), $this->path); } /** * Defines an instanceof-conditional to be applied to following service definitions. */ final public function instanceof(string $fqcn): InstanceofConfigurator { $this->instanceof[$fqcn] = $definition = new ChildDefinition(''); return new InstanceofConfigurator($this, $definition, $fqcn, $this->path); } /** * Registers a service. * * @param string|null $id The service id, or null to create an anonymous service * @param string|null $class The class of the service, or null when $id is also the class name */ final public function set(?string $id, string $class = null): ServiceConfigurator { $defaults = $this->defaults; $definition = new Definition(); if (null === $id) { if (!$class) { throw new \LogicException('Anonymous services must have a class name.'); } $id = sprintf('.%d_%s', ++$this->anonymousCount, preg_replace('/^.*\\\\/', '', $class).'~'.$this->anonymousHash); } elseif (!$defaults->isPublic() || !$defaults->isPrivate()) { $definition->setPublic($defaults->isPublic() && !$defaults->isPrivate()); } $definition->setAutowired($defaults->isAutowired()); $definition->setAutoconfigured($defaults->isAutoconfigured()); // deep clone, to avoid multiple process of the same instance in the passes $definition->setBindings(unserialize(serialize($defaults->getBindings()))); $definition->setChanges([]); $configurator = new ServiceConfigurator($this->container, $this->instanceof, true, $this, $definition, $id, $defaults->getTags(), $this->path); return null !== $class ? $configurator->class($class) : $configurator; } /** * Removes an already defined service definition or alias. * * @return $this */ final public function remove(string $id): static { $this->container->removeDefinition($id); $this->container->removeAlias($id); return $this; } /** * Creates an alias. */ final public function alias(string $id, string $referencedId): AliasConfigurator { $ref = static::processValue($referencedId, true); $alias = new Alias((string) $ref); if (!$this->defaults->isPublic() || !$this->defaults->isPrivate()) { $alias->setPublic($this->defaults->isPublic()); } $this->container->setAlias($id, $alias); return new AliasConfigurator($this, $alias); } /** * Registers a PSR-4 namespace using a glob pattern. */ final public function load(string $namespace, string $resource): PrototypeConfigurator { return new PrototypeConfigurator($this, $this->loader, $this->defaults, $namespace, $resource, true); } /** * Gets an already defined service definition. * * @throws ServiceNotFoundException if the service definition does not exist */ final public function get(string $id): ServiceConfigurator { $definition = $this->container->getDefinition($id); return new ServiceConfigurator($this->container, $definition->getInstanceofConditionals(), true, $this, $definition, $id, []); } /** * Registers a stack of decorator services. * * @param InlineServiceConfigurator[]|ReferenceConfigurator[] $services */ final public function stack(string $id, array $services): AliasConfigurator { foreach ($services as $i => $service) { if ($service instanceof InlineServiceConfigurator) { $definition = $service->definition->setInstanceofConditionals($this->instanceof); $changes = $definition->getChanges(); $definition->setAutowired((isset($changes['autowired']) ? $definition : $this->defaults)->isAutowired()); $definition->setAutoconfigured((isset($changes['autoconfigured']) ? $definition : $this->defaults)->isAutoconfigured()); $definition->setBindings(array_merge($this->defaults->getBindings(), $definition->getBindings())); $definition->setChanges($changes); $services[$i] = $definition; } elseif (!$service instanceof ReferenceConfigurator) { throw new InvalidArgumentException(sprintf('"%s()" expects a list of definitions as returned by "%s()" or "%s()", "%s" given at index "%s" for service "%s".', __METHOD__, InlineServiceConfigurator::FACTORY, ReferenceConfigurator::FACTORY, $service instanceof AbstractConfigurator ? $service::FACTORY.'()' : get_debug_type($service), $i, $id)); } } $alias = $this->alias($id, ''); $alias->definition = $this->set($id) ->parent('') ->args($services) ->tag('container.stack') ->definition; return $alias; } /** * Registers a service. */ final public function __invoke(string $id, string $class = null): ServiceConfigurator { return $this->set($id, $class); } public function __destruct() { $this->loader->registerAliasesForSinglyImplementedInterfaces(); } }