<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\DependencyInjection;
use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
/**
* Removes empty service-locators registered for ServiceValueResolver.
*
* @author Nicolas Grekas <[email protected]>
*/
class RemoveEmptyControllerArgumentLocatorsPass implements CompilerPassInterface
{
private $controllerLocator;
public function __construct(string $controllerLocator = 'argument_resolver.controller_locator')
{
if (0 < \func_num_args()) {
trigger_deprecation('symfony/http-kernel', '5.3', 'Configuring "%s" is deprecated.', __CLASS__);
}
$this->controllerLocator = $controllerLocator;
}
public function process(ContainerBuilder $container)
{
$controllerLocator = $container->findDefinition($this->controllerLocator);
$controllers = $controllerLocator->getArgument(0);
foreach ($controllers as $controller => $argumentRef) {
$argumentLocator = $container->getDefinition((string) $argumentRef->getValues()[0]);
if (!$argumentLocator->getArgument(0)) {
// remove empty argument locators
$reason = sprintf('Removing service-argument resolver for controller "%s": no corresponding services exist for the referenced types.', $controller);
} else {
// any methods listed for call-at-instantiation cannot be actions
$reason = false;
[$id, $action] = explode('::', $controller);
if ($container->hasAlias($id)) {
continue;
}
$controllerDef = $container->getDefinition($id);
foreach ($controllerDef->getMethodCalls() as [$method]) {
if (0 === strcasecmp($action, $method)) {
$reason = sprintf('Removing method "%s" of service "%s" from controller candidates: the method is called at instantiation, thus cannot be an action.', $action, $id);
break;
}
}
if (!$reason) {
// see Symfony\Component\HttpKernel\Controller\ContainerControllerResolver
$controllers[$id.':'.$action] = $argumentRef;
if ('__invoke' === $action) {
$controllers[$id] = $argumentRef;
}
continue;
}
}
unset($controllers[$controller]);
$container->log($this, $reason);
}
$controllerLocator->replaceArgument(0, $controllers);
}
}