61 lines
1.8 KiB
PHP
61 lines
1.8 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\TwigBundle\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Exception\LogicException;
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use Symfony\Component\DependencyInjection\Reference;
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/**
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* Adds services tagged twig.loader as Twig loaders.
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*
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* @author Daniel Leech <daniel@dantleech.com>
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*/
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class TwigLoaderPass implements CompilerPassInterface
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{
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public function process(ContainerBuilder $container)
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{
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if (false === $container->hasDefinition('twig')) {
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return;
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}
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$prioritizedLoaders = [];
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$found = 0;
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foreach ($container->findTaggedServiceIds('twig.loader', true) as $id => $attributes) {
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$priority = $attributes[0]['priority'] ?? 0;
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$prioritizedLoaders[$priority][] = $id;
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++$found;
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}
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if (!$found) {
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throw new LogicException('No twig loaders found. You need to tag at least one loader with "twig.loader".');
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}
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if (1 === $found) {
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$container->setAlias('twig.loader', $id);
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} else {
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$chainLoader = $container->getDefinition('twig.loader.chain');
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krsort($prioritizedLoaders);
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foreach ($prioritizedLoaders as $loaders) {
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foreach ($loaders as $loader) {
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$chainLoader->addMethodCall('addLoader', [new Reference($loader)]);
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}
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}
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$container->setAlias('twig.loader', 'twig.loader.chain');
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}
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}
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}
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