Viewing file:  ResolveDecoratorStackPass.php (4.5 KB) -rwxr-x---
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<?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\Alias;
use Symfony\Component\DependencyInjection\ChildDefinition;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Definition;
use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
use Symfony\Component\DependencyInjection\Exception\ServiceCircularReferenceException;
use Symfony\Component\DependencyInjection\Reference;
/**
* @author Nicolas Grekas <p@tchwork.com>
*/
class ResolveDecoratorStackPass implements CompilerPassInterface
{
private $tag;
public function __construct(string $tag = 'container.stack')
{
if (0 < \func_num_args()) {
trigger_deprecation('symfony/dependency-injection', '5.3', 'Configuring "%s" is deprecated.', __CLASS__);
}
$this->tag = $tag;
}
public function process(ContainerBuilder $container)
{
$stacks = [];
foreach ($container->findTaggedServiceIds($this->tag) as $id => $tags) {
$definition = $container->getDefinition($id);
if (!$definition instanceof ChildDefinition) {
throw new InvalidArgumentException(sprintf('Invalid service "%s": only definitions with a "parent" can have the "%s" tag.', $id, $this->tag));
}
if (!$stack = $definition->getArguments()) {
throw new InvalidArgumentException(sprintf('Invalid service "%s": the stack of decorators is empty.', $id));
}
$stacks[$id] = $stack;
}
if (!$stacks) {
return;
}
$resolvedDefinitions = [];
foreach ($container->getDefinitions() as $id => $definition) {
if (!isset($stacks[$id])) {
$resolvedDefinitions[$id] = $definition;
continue;
}
foreach (array_reverse($this->resolveStack($stacks, [$id]), true) as $k => $v) {
$resolvedDefinitions[$k] = $v;
}
$alias = $container->setAlias($id, $k);
if ($definition->getChanges()['public'] ?? false) {
$alias->setPublic($definition->isPublic());
}
if ($definition->isDeprecated()) {
$alias->setDeprecated(...array_values($definition->getDeprecation('%alias_id%')));
}
}
$container->setDefinitions($resolvedDefinitions);
}
private function resolveStack(array $stacks, array $path): array
{
$definitions = [];
$id = end($path);
$prefix = '.'.$id.'.';
if (!isset($stacks[$id])) {
return [$id => new ChildDefinition($id)];
}
if (key($path) !== $searchKey = array_search($id, $path)) {
throw new ServiceCircularReferenceException($id, \array_slice($path, $searchKey));
}
foreach ($stacks[$id] as $k => $definition) {
if ($definition instanceof ChildDefinition && isset($stacks[$definition->getParent()])) {
$path[] = $definition->getParent();
$definition = unserialize(serialize($definition)); // deep clone
} elseif ($definition instanceof Definition) {
$definitions[$decoratedId = $prefix.$k] = $definition;
continue;
} elseif ($definition instanceof Reference || $definition instanceof Alias) {
$path[] = (string) $definition;
} else {
throw new InvalidArgumentException(sprintf('Invalid service "%s": unexpected value of type "%s" found in the stack of decorators.', $id, get_debug_type($definition)));
}
$p = $prefix.$k;
foreach ($this->resolveStack($stacks, $path) as $k => $v) {
$definitions[$decoratedId = $p.$k] = $definition instanceof ChildDefinition ? $definition->setParent($k) : new ChildDefinition($k);
$definition = null;
}
array_pop($path);
}
if (1 === \count($path)) {
foreach ($definitions as $k => $definition) {
$definition->setPublic(false)->setTags([])->setDecoratedService($decoratedId);
}
$definition->setDecoratedService(null);
}
return $definitions;
}
}
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