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symfony/src/Symfony/Component/DependencyInjection/Compiler/CheckDefinitionValidityPass.php
Nicolas Grekas 8b98282821 Merge branch '3.4' into 4.0
* 3.4:
  [DI] Dont resolve envs in service ids
  Add tests proving it can load annotated files
  [WebProfilerBundle] Reset letter-spacing in toolbar
  Prefer overflow-wrap to word-break
  remove more kernel.root_dir parameter refs
  [*Bundle] Replace some kernel.root_dir by kernel.project_dir
  removed some phpdocs
  [Routing] Fix "config-file-relative" annotation loader resources
  Make search in debug:container command case-insensitive
  `resolveEnvPlaceholders` will return a mixed value
  Update translation commands to work with default paths
  [FrameworkBundle] Fix AssetsInstallCommand
2017-11-24 15:34:08 +01:00

98 lines
4.3 KiB
PHP

<?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\Component\DependencyInjection\Compiler;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\EnvParameterException;
use Symfony\Component\DependencyInjection\Exception\RuntimeException;
/**
* This pass validates each definition individually only taking the information
* into account which is contained in the definition itself.
*
* Later passes can rely on the following, and specifically do not need to
* perform these checks themselves:
*
* - non synthetic, non abstract services always have a class set
* - synthetic services are always public
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class CheckDefinitionValidityPass implements CompilerPassInterface
{
/**
* Processes the ContainerBuilder to validate the Definition.
*
* @throws RuntimeException When the Definition is invalid
*/
public function process(ContainerBuilder $container)
{
foreach ($container->getDefinitions() as $id => $definition) {
// synthetic service is public
if ($definition->isSynthetic() && !$definition->isPublic()) {
throw new RuntimeException(sprintf('A synthetic service ("%s") must be public.', $id));
}
// non-synthetic, non-abstract service has class
if (!$definition->isAbstract() && !$definition->isSynthetic() && !$definition->getClass()) {
if ($definition->getFactory()) {
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.', $id));
}
if (class_exists($id) || interface_exists($id, false)) {
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
));
}
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.',
$id
));
}
// tag attribute values must be scalars
foreach ($definition->getTags() as $name => $tags) {
foreach ($tags as $attributes) {
foreach ($attributes as $attribute => $value) {
if (!is_scalar($value) && null !== $value) {
throw new RuntimeException(sprintf('A "tags" attribute must be of a scalar-type for service "%s", tag "%s", attribute "%s".', $id, $name, $attribute));
}
}
}
}
if ($definition->isPublic() && !$definition->isPrivate()) {
$resolvedId = $container->resolveEnvPlaceholders($id, null, $usedEnvs);
if (null !== $usedEnvs) {
throw new EnvParameterException(array($resolvedId), null, 'A service name ("%s") cannot contain dynamic values.');
}
}
}
foreach ($container->getAliases() as $id => $alias) {
if ($alias->isPublic() && !$alias->isPrivate()) {
$resolvedId = $container->resolveEnvPlaceholders($id, null, $usedEnvs);
if (null !== $usedEnvs) {
throw new EnvParameterException(array($resolvedId), null, 'An alias name ("%s") cannot contain dynamic values.');
}
}
}
}
}