function RemoveEmptyControllerArgumentLocatorsPass::process

Overrides CompilerPassInterface::process

File

vendor/symfony/http-kernel/DependencyInjection/RemoveEmptyControllerArgumentLocatorsPass.php, line 24

Class

RemoveEmptyControllerArgumentLocatorsPass

Removes empty service-locators registered for ServiceValueResolver.

Namespace

Symfony\Component\HttpKernel\DependencyInjection

Code

public function process(ContainerBuilder $container) : void {
    $controllerLocator = $container->findDefinition('argument_resolver.controller_locator');
    $controllers = $controllerLocator->getArgument(0);
    foreach ($controllers as $controller => $argumentRef) {
        $argumentLocator = $container->getDefinition((string) $argumentRef->getValues()[0]);
        if ($argumentLocator->getFactory()) {
            $argumentLocator = $container->getDefinition($argumentLocator->getFactory()[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);
}