79 lines
2.8 KiB
PHP
79 lines
2.8 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\Contracts\Service;
|
|
|
|
use Psr\Container\ContainerInterface;
|
|
use Symfony\Contracts\Service\Attribute\Required;
|
|
use Symfony\Contracts\Service\Attribute\SubscribedService;
|
|
|
|
/**
|
|
* Implementation of ServiceSubscriberInterface that determines subscribed services from
|
|
* method return types. Service ids are available as "ClassName::methodName".
|
|
*
|
|
* @author Kevin Bond <kevinbond@gmail.com>
|
|
*/
|
|
trait ServiceSubscriberTrait
|
|
{
|
|
/** @var ContainerInterface */
|
|
protected $container;
|
|
|
|
public static function getSubscribedServices(): array
|
|
{
|
|
$services = method_exists(get_parent_class(self::class) ?: '', __FUNCTION__) ? parent::getSubscribedServices() : [];
|
|
|
|
foreach ((new \ReflectionClass(self::class))->getMethods() as $method) {
|
|
if (self::class !== $method->getDeclaringClass()->name) {
|
|
continue;
|
|
}
|
|
|
|
if (!$attribute = $method->getAttributes(SubscribedService::class)[0] ?? null) {
|
|
continue;
|
|
}
|
|
|
|
if ($method->isStatic() || $method->isAbstract() || $method->isGenerator() || $method->isInternal() || $method->getNumberOfRequiredParameters()) {
|
|
throw new \LogicException(sprintf('Cannot use "%s" on method "%s::%s()" (can only be used on non-static, non-abstract methods with no parameters).', SubscribedService::class, self::class, $method->name));
|
|
}
|
|
|
|
if (!$returnType = $method->getReturnType()) {
|
|
throw new \LogicException(sprintf('Cannot use "%s" on methods without a return type in "%s::%s()".', SubscribedService::class, $method->name, self::class));
|
|
}
|
|
|
|
/* @var SubscribedService $attribute */
|
|
$attribute = $attribute->newInstance();
|
|
$attribute->key ??= self::class.'::'.$method->name;
|
|
$attribute->type ??= $returnType instanceof \ReflectionNamedType ? $returnType->getName() : (string) $returnType;
|
|
$attribute->nullable = $returnType->allowsNull();
|
|
|
|
if ($attribute->attributes) {
|
|
$services[] = $attribute;
|
|
} else {
|
|
$services[$attribute->key] = ($attribute->nullable ? '?' : '').$attribute->type;
|
|
}
|
|
}
|
|
|
|
return $services;
|
|
}
|
|
|
|
#[Required]
|
|
public function setContainer(ContainerInterface $container): ?ContainerInterface
|
|
{
|
|
$ret = null;
|
|
if (method_exists(get_parent_class(self::class) ?: '', __FUNCTION__)) {
|
|
$ret = parent::setContainer($container);
|
|
}
|
|
|
|
$this->container = $container;
|
|
|
|
return $ret;
|
|
}
|
|
}
|