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primogenial
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languages
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mailpoet
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symfony
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service-contracts
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ServiceLocatorTrait.php
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<?php namespace MailPoetVendor\Symfony\Contracts\Service; if (!defined('ABSPATH')) exit; use MailPoetVendor\Psr\Container\ContainerExceptionInterface; use MailPoetVendor\Psr\Container\NotFoundExceptionInterface; // Help opcache.preload discover always-needed symbols \class_exists(ContainerExceptionInterface::class); \class_exists(NotFoundExceptionInterface::class); trait ServiceLocatorTrait { private $factories; private $loading = []; private $providedTypes; public function __construct(array $factories) { $this->factories = $factories; } public function has($id) { return isset($this->factories[$id]); } public function get($id) { if (!isset($this->factories[$id])) { throw $this->createNotFoundException($id); } if (isset($this->loading[$id])) { $ids = \array_values($this->loading); $ids = \array_slice($this->loading, \array_search($id, $ids)); $ids[] = $id; throw $this->createCircularReferenceException($id, $ids); } $this->loading[$id] = $id; try { return $this->factories[$id]($this); } finally { unset($this->loading[$id]); } } public function getProvidedServices() : array { if (null === $this->providedTypes) { $this->providedTypes = []; foreach ($this->factories as $name => $factory) { if (!\is_callable($factory)) { $this->providedTypes[$name] = '?'; } else { $type = (new \ReflectionFunction($factory))->getReturnType(); $this->providedTypes[$name] = $type ? ($type->allowsNull() ? '?' : '') . ($type instanceof \ReflectionNamedType ? $type->getName() : $type) : '?'; } } } return $this->providedTypes; } private function createNotFoundException(string $id) : NotFoundExceptionInterface { if (!($alternatives = \array_keys($this->factories))) { $message = 'is empty...'; } else { $last = \array_pop($alternatives); if ($alternatives) { $message = \sprintf('only knows about the "%s" and "%s" services.', \implode('", "', $alternatives), $last); } else { $message = \sprintf('only knows about the "%s" service.', $last); } } if ($this->loading) { $message = \sprintf('The service "%s" has a dependency on a non-existent service "%s". This locator %s', \end($this->loading), $id, $message); } else { $message = \sprintf('Service "%s" not found: the current service locator %s', $id, $message); } return new class($message) extends \InvalidArgumentException implements NotFoundExceptionInterface { }; } private function createCircularReferenceException(string $id, array $path) : ContainerExceptionInterface { return new class(\sprintf('Circular reference detected for service "%s", path: "%s".', $id, \implode(' -> ', $path))) extends \RuntimeException implements ContainerExceptionInterface { }; } }