91 lines
4.6 KiB
PHP
91 lines
4.6 KiB
PHP
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<?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\Exception\EnvParameterException;
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use Symfony\Component\DependencyInjection\Exception\RuntimeException;
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use Symfony\Component\DependencyInjection\Loader\FileLoader;
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/**
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* This pass validates each definition individually only taking the information
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* into account which is contained in the definition itself.
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*
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* Later passes can rely on the following, and specifically do not need to
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* perform these checks themselves:
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*
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* - non synthetic, non abstract services always have a class set
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* - synthetic services are always public
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class CheckDefinitionValidityPass implements CompilerPassInterface
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{
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/**
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* Processes the ContainerBuilder to validate the Definition.
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*
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* @throws RuntimeException When the Definition is invalid
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*/
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public function process(ContainerBuilder $container)
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{
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foreach ($container->getDefinitions() as $id => $definition) {
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// synthetic service is public
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if ($definition->isSynthetic() && !$definition->isPublic()) {
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throw new RuntimeException(sprintf('A synthetic service ("%s") must be public.', $id));
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}
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// non-synthetic, non-abstract service has class
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if (!$definition->isAbstract() && !$definition->isSynthetic() && !$definition->getClass() && !$definition->hasTag('container.service_locator') && (!$definition->getFactory() || !preg_match(FileLoader::ANONYMOUS_ID_REGEXP, $id))) {
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if ($definition->getFactory()) {
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throw new RuntimeException(sprintf('Please add the class to service "%s" even if it is constructed by a factory since we might need to add method calls based on compile-time checks.', $id));
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}
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if (class_exists($id) || interface_exists($id, false)) {
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if (str_starts_with($id, '\\') && 1 < substr_count($id, '\\')) {
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throw new RuntimeException(sprintf('The definition for "%s" has no class attribute, and appears to reference a class or interface. Please specify the class attribute explicitly or remove the leading backslash by renaming the service to "%s" to get rid of this error.', $id, substr($id, 1)));
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}
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throw new RuntimeException(sprintf('The definition for "%s" has no class attribute, and appears to reference a class or interface in the global namespace. Leaving out the "class" attribute is only allowed for namespaced classes. Please specify the class attribute explicitly to get rid of this error.', $id));
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}
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throw new RuntimeException(sprintf('The definition for "%s" has no class. If you intend to inject this service dynamically at runtime, please mark it as synthetic=true. If this is an abstract definition solely used by child definitions, please add abstract=true, otherwise specify a class to get rid of this error.', $id));
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}
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// tag attribute values must be scalars
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foreach ($definition->getTags() as $name => $tags) {
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foreach ($tags as $attributes) {
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foreach ($attributes as $attribute => $value) {
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if (!is_scalar($value) && null !== $value) {
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throw new RuntimeException(sprintf('A "tags" attribute must be of a scalar-type for service "%s", tag "%s", attribute "%s".', $id, $name, $attribute));
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}
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}
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}
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}
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if ($definition->isPublic() && !$definition->isPrivate()) {
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$resolvedId = $container->resolveEnvPlaceholders($id, null, $usedEnvs);
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if (null !== $usedEnvs) {
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throw new EnvParameterException([$resolvedId], null, 'A service name ("%s") cannot contain dynamic values.');
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}
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}
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}
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foreach ($container->getAliases() as $id => $alias) {
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if ($alias->isPublic() && !$alias->isPrivate()) {
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$resolvedId = $container->resolveEnvPlaceholders($id, null, $usedEnvs);
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if (null !== $usedEnvs) {
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throw new EnvParameterException([$resolvedId], null, 'An alias name ("%s") cannot contain dynamic values.');
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}
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}
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}
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}
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}
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