76 lines
2.9 KiB
PHP
76 lines
2.9 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\Component\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\EnvVarProcessor;
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use Symfony\Component\DependencyInjection\EnvVarProcessorInterface;
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use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
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use Symfony\Component\DependencyInjection\ParameterBag\EnvPlaceholderParameterBag;
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use Symfony\Component\DependencyInjection\Reference;
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/**
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* Creates the container.env_var_processors_locator service.
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*
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* @author Nicolas Grekas <p@tchwork.com>
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*/
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class RegisterEnvVarProcessorsPass implements CompilerPassInterface
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{
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private const ALLOWED_TYPES = ['array', 'bool', 'float', 'int', 'string'];
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public function process(ContainerBuilder $container)
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{
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$bag = $container->getParameterBag();
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$types = [];
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$processors = [];
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foreach ($container->findTaggedServiceIds('container.env_var_processor') as $id => $tags) {
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if (!$r = $container->getReflectionClass($class = $container->getDefinition($id)->getClass())) {
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throw new InvalidArgumentException(sprintf('Class "%s" used for service "%s" cannot be found.', $class, $id));
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} elseif (!$r->isSubclassOf(EnvVarProcessorInterface::class)) {
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throw new InvalidArgumentException(sprintf('Service "%s" must implement interface "%s".', $id, EnvVarProcessorInterface::class));
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}
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foreach ($class::getProvidedTypes() as $prefix => $type) {
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$processors[$prefix] = new Reference($id);
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$types[$prefix] = self::validateProvidedTypes($type, $class);
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}
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}
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if ($bag instanceof EnvPlaceholderParameterBag) {
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foreach (EnvVarProcessor::getProvidedTypes() as $prefix => $type) {
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if (!isset($types[$prefix])) {
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$types[$prefix] = self::validateProvidedTypes($type, EnvVarProcessor::class);
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}
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}
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$bag->setProvidedTypes($types);
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}
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if ($processors) {
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$container->setAlias('container.env_var_processors_locator', (string) ServiceLocatorTagPass::register($container, $processors))
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->setPublic(true)
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;
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}
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}
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private static function validateProvidedTypes(string $types, string $class): array
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{
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$types = explode('|', $types);
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foreach ($types as $type) {
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if (!\in_array($type, self::ALLOWED_TYPES)) {
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throw new InvalidArgumentException(sprintf('Invalid type "%s" returned by "%s::getProvidedTypes()", expected one of "%s".', $type, $class, implode('", "', self::ALLOWED_TYPES)));
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}
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}
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return $types;
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}
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}
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