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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\Bundle\TwigBundle\DependencyInjection\Compiler;
- use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
- use Symfony\Component\DependencyInjection\ContainerBuilder;
- use Symfony\Component\DependencyInjection\Exception\LogicException;
- use Symfony\Component\DependencyInjection\Reference;
- /**
- * Adds services tagged twig.loader as Twig loaders.
- *
- * @author Daniel Leech <daniel@dantleech.com>
- */
- class TwigLoaderPass implements CompilerPassInterface
- {
- public function process(ContainerBuilder $container)
- {
- if (false === $container->hasDefinition('twig')) {
- return;
- }
- $prioritizedLoaders = [];
- $found = 0;
- foreach ($container->findTaggedServiceIds('twig.loader', true) as $id => $attributes) {
- $priority = $attributes[0]['priority'] ?? 0;
- $prioritizedLoaders[$priority][] = $id;
- ++$found;
- }
- if (!$found) {
- throw new LogicException('No twig loaders found. You need to tag at least one loader with "twig.loader".');
- }
- if (1 === $found) {
- $container->setAlias('twig.loader', $id);
- } else {
- $chainLoader = $container->getDefinition('twig.loader.chain');
- krsort($prioritizedLoaders);
- foreach ($prioritizedLoaders as $loaders) {
- foreach ($loaders as $loader) {
- $chainLoader->addMethodCall('addLoader', [new Reference($loader)]);
- }
- }
- $container->setAlias('twig.loader', 'twig.loader.chain');
- }
- }
- }
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