91 lines
3.6 KiB
PHP
91 lines
3.6 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\ContainerInterface;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Exception\RuntimeException;
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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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* - synthetic services are always of non-prototype scope
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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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* @param ContainerBuilder $container
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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() && !$definition->isPublic()) {
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throw new RuntimeException(sprintf(
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'A synthetic service ("%s") must be public.',
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$id
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));
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}
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// synthetic service has non-prototype scope
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if ($definition->isSynthetic() && ContainerInterface::SCOPE_PROTOTYPE === $definition->getScope()) {
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throw new RuntimeException(sprintf(
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'A synthetic service ("%s") cannot be of scope "prototype".',
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$id
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));
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}
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// non-synthetic, non-abstract service has class
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if (!$definition->isAbstract() && !$definition->isSynthetic() && !$definition->getClass()) {
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if ($definition->getFactoryClass() || $definition->getFactoryService()) {
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throw new RuntimeException(sprintf(
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'Please add the class to service "%s" even if it is constructed by a factory '
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.'since we might need to add method calls based on compile-time checks.',
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$id
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));
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}
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throw new RuntimeException(sprintf(
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'The definition for "%s" has no class. If you intend to inject '
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.'this service dynamically at runtime, please mark it as synthetic=true. '
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.'If this is an abstract definition solely used by child definitions, '
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.'please add abstract=true, otherwise specify a class to get rid of this error.',
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$id
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));
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}
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// tag attribute values must be scalars
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foreach ($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)) {
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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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}
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}
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}
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