Chris@14: <?php
Chris@14: 
Chris@14: /*
Chris@14:  * This file is part of the Symfony package.
Chris@14:  *
Chris@14:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@14:  *
Chris@14:  * For the full copyright and license information, please view the LICENSE
Chris@14:  * file that was distributed with this source code.
Chris@14:  */
Chris@14: 
Chris@14: namespace Symfony\Component\DependencyInjection\Loader\Configurator;
Chris@14: 
Chris@14: use Symfony\Component\DependencyInjection\Argument\ArgumentInterface;
Chris@14: use Symfony\Component\DependencyInjection\Definition;
Chris@14: use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
Chris@14: use Symfony\Component\DependencyInjection\Parameter;
Chris@14: use Symfony\Component\DependencyInjection\Reference;
Chris@14: use Symfony\Component\ExpressionLanguage\Expression;
Chris@14: 
Chris@14: abstract class AbstractConfigurator
Chris@14: {
Chris@14:     const FACTORY = 'unknown';
Chris@14: 
Chris@14:     /** @internal */
Chris@14:     protected $definition;
Chris@14: 
Chris@14:     public function __call($method, $args)
Chris@14:     {
Chris@14:         if (method_exists($this, 'set'.$method)) {
Chris@17:             return \call_user_func_array([$this, 'set'.$method], $args);
Chris@14:         }
Chris@14: 
Chris@17:         throw new \BadMethodCallException(sprintf('Call to undefined method %s::%s()', \get_class($this), $method));
Chris@14:     }
Chris@14: 
Chris@14:     /**
Chris@14:      * Checks that a value is valid, optionally replacing Definition and Reference configurators by their configure value.
Chris@14:      *
Chris@14:      * @param mixed $value
Chris@14:      * @param bool  $allowServices whether Definition and Reference are allowed; by default, only scalars and arrays are
Chris@14:      *
Chris@14:      * @return mixed the value, optionally cast to a Definition/Reference
Chris@14:      */
Chris@14:     public static function processValue($value, $allowServices = false)
Chris@14:     {
Chris@17:         if (\is_array($value)) {
Chris@14:             foreach ($value as $k => $v) {
Chris@14:                 $value[$k] = static::processValue($v, $allowServices);
Chris@14:             }
Chris@14: 
Chris@14:             return $value;
Chris@14:         }
Chris@14: 
Chris@14:         if ($value instanceof ReferenceConfigurator) {
Chris@14:             return new Reference($value->id, $value->invalidBehavior);
Chris@14:         }
Chris@14: 
Chris@14:         if ($value instanceof InlineServiceConfigurator) {
Chris@14:             $def = $value->definition;
Chris@14:             $value->definition = null;
Chris@14: 
Chris@14:             return $def;
Chris@14:         }
Chris@14: 
Chris@14:         if ($value instanceof self) {
Chris@14:             throw new InvalidArgumentException(sprintf('"%s()" can be used only at the root of service configuration files.', $value::FACTORY));
Chris@14:         }
Chris@14: 
Chris@14:         switch (true) {
Chris@14:             case null === $value:
Chris@14:             case is_scalar($value):
Chris@14:                 return $value;
Chris@14: 
Chris@14:             case $value instanceof ArgumentInterface:
Chris@14:             case $value instanceof Definition:
Chris@14:             case $value instanceof Expression:
Chris@14:             case $value instanceof Parameter:
Chris@14:             case $value instanceof Reference:
Chris@14:                 if ($allowServices) {
Chris@14:                     return $value;
Chris@14:                 }
Chris@14:         }
Chris@14: 
Chris@17:         throw new InvalidArgumentException(sprintf('Cannot use values of type "%s" in service configuration files.', \is_object($value) ? \get_class($value) : \gettype($value)));
Chris@14:     }
Chris@14: }