vendor/symfony/twig-bridge/Extension/TranslationExtension.php line 91
<?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\Bridge\Twig\Extension;use Symfony\Bridge\Twig\NodeVisitor\TranslationDefaultDomainNodeVisitor;use Symfony\Bridge\Twig\NodeVisitor\TranslationNodeVisitor;use Symfony\Bridge\Twig\TokenParser\TransDefaultDomainTokenParser;use Symfony\Bridge\Twig\TokenParser\TransTokenParser;use Symfony\Component\Translation\TranslatableMessage;use Symfony\Contracts\Translation\TranslatableInterface;use Symfony\Contracts\Translation\TranslatorInterface;use Symfony\Contracts\Translation\TranslatorTrait;use Twig\Extension\AbstractExtension;use Twig\TwigFilter;use Twig\TwigFunction;// Help opcache.preload discover always-needed symbolsclass_exists(TranslatorInterface::class);class_exists(TranslatorTrait::class);/*** Provides integration of the Translation component with Twig.** @author Fabien Potencier <fabien@symfony.com>*/final class TranslationExtension extends AbstractExtension{private ?TranslatorInterface $translator;private ?TranslationNodeVisitor $translationNodeVisitor;public function __construct(TranslatorInterface $translator = null, TranslationNodeVisitor $translationNodeVisitor = null){$this->translator = $translator;$this->translationNodeVisitor = $translationNodeVisitor;}public function getTranslator(): TranslatorInterface{if (null === $this->translator) {if (!interface_exists(TranslatorInterface::class)) {throw new \LogicException(sprintf('You cannot use the "%s" if the Translation Contracts are not available. Try running "composer require symfony/translation".', __CLASS__));}$this->translator = new class() implements TranslatorInterface {use TranslatorTrait;};}return $this->translator;}public function getFunctions(): array{return [new TwigFunction('t', $this->createTranslatable(...)),];}public function getFilters(): array{return [new TwigFilter('trans', $this->trans(...)),];}public function getTokenParsers(): array{return [// {% trans %}Symfony is great!{% endtrans %}new TransTokenParser(),// {% trans_default_domain "foobar" %}new TransDefaultDomainTokenParser(),];}public function getNodeVisitors(): array{return [$this->getTranslationNodeVisitor(), new TranslationDefaultDomainNodeVisitor()];}public function getTranslationNodeVisitor(): TranslationNodeVisitor{return $this->translationNodeVisitor ?: $this->translationNodeVisitor = new TranslationNodeVisitor();}/*** @param array|string $arguments Can be the locale as a string when $message is a TranslatableInterface*/public function trans(string|\Stringable|TranslatableInterface|null $message, array|string $arguments = [], string $domain = null, string $locale = null, int $count = null): string{if ($message instanceof TranslatableInterface) {if ([] !== $arguments && !\is_string($arguments)) {throw new \TypeError(sprintf('Argument 2 passed to "%s()" must be a locale passed as a string when the message is a "%s", "%s" given.', __METHOD__, TranslatableInterface::class, get_debug_type($arguments)));}if ($message instanceof TranslatableMessage && '' === $message->getMessage()) {return '';}return $message->trans($this->getTranslator(), $locale ?? (\is_string($arguments) ? $arguments : null));}if (!\is_array($arguments)) {throw new \TypeError(sprintf('Unless the message is a "%s", argument 2 passed to "%s()" must be an array of parameters, "%s" given.', TranslatableInterface::class, __METHOD__, get_debug_type($arguments)));}if ('' === $message = (string) $message) {return '';}if (null !== $count) {$arguments['%count%'] = $count;}return $this->getTranslator()->trans($message, $arguments, $domain, $locale);}public function createTranslatable(string $message, array $parameters = [], string $domain = null): TranslatableMessage{if (!class_exists(TranslatableMessage::class)) {throw new \LogicException(sprintf('You cannot use the "%s" as the Translation Component is not installed. Try running "composer require symfony/translation".', __CLASS__));}return new TranslatableMessage($message, $parameters, $domain);}}