127 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.9 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\Component\DependencyInjection\Extension;
 | |
| 
 | |
| use Symfony\Component\Config\Definition\ConfigurationInterface;
 | |
| use Symfony\Component\Config\Definition\Processor;
 | |
| use Symfony\Component\DependencyInjection\Container;
 | |
| use Symfony\Component\DependencyInjection\ContainerBuilder;
 | |
| use Symfony\Component\DependencyInjection\Exception\BadMethodCallException;
 | |
| use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException;
 | |
| use Symfony\Component\DependencyInjection\Exception\LogicException;
 | |
| 
 | |
| /**
 | |
|  * Provides useful features shared by many extensions.
 | |
|  *
 | |
|  * @author Fabien Potencier <fabien@symfony.com>
 | |
|  */
 | |
| abstract class Extension implements ExtensionInterface, ConfigurationExtensionInterface
 | |
| {
 | |
|     private array $processedConfigs = [];
 | |
| 
 | |
|     public function getXsdValidationBasePath()
 | |
|     {
 | |
|         return false;
 | |
|     }
 | |
| 
 | |
|     public function getNamespace()
 | |
|     {
 | |
|         return 'http://example.org/schema/dic/'.$this->getAlias();
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * Returns the recommended alias to use in XML.
 | |
|      *
 | |
|      * This alias is also the mandatory prefix to use when using YAML.
 | |
|      *
 | |
|      * This convention is to remove the "Extension" postfix from the class
 | |
|      * name and then lowercase and underscore the result. So:
 | |
|      *
 | |
|      *     AcmeHelloExtension
 | |
|      *
 | |
|      * becomes
 | |
|      *
 | |
|      *     acme_hello
 | |
|      *
 | |
|      * This can be overridden in a sub-class to specify the alias manually.
 | |
|      *
 | |
|      * @throws BadMethodCallException When the extension name does not follow conventions
 | |
|      */
 | |
|     public function getAlias(): string
 | |
|     {
 | |
|         $className = static::class;
 | |
|         if (!str_ends_with($className, 'Extension')) {
 | |
|             throw new BadMethodCallException('This extension does not follow the naming convention; you must overwrite the getAlias() method.');
 | |
|         }
 | |
|         $classBaseName = substr(strrchr($className, '\\'), 1, -9);
 | |
| 
 | |
|         return Container::underscore($classBaseName);
 | |
|     }
 | |
| 
 | |
|     public function getConfiguration(array $config, ContainerBuilder $container)
 | |
|     {
 | |
|         $class = static::class;
 | |
| 
 | |
|         if (str_contains($class, "\0")) {
 | |
|             return null; // ignore anonymous classes
 | |
|         }
 | |
| 
 | |
|         $class = substr_replace($class, '\Configuration', strrpos($class, '\\'));
 | |
|         $class = $container->getReflectionClass($class);
 | |
| 
 | |
|         if (!$class) {
 | |
|             return null;
 | |
|         }
 | |
| 
 | |
|         if (!$class->implementsInterface(ConfigurationInterface::class)) {
 | |
|             throw new LogicException(sprintf('The extension configuration class "%s" must implement "%s".', $class->getName(), ConfigurationInterface::class));
 | |
|         }
 | |
| 
 | |
|         if (!($constructor = $class->getConstructor()) || !$constructor->getNumberOfRequiredParameters()) {
 | |
|             return $class->newInstance();
 | |
|         }
 | |
| 
 | |
|         return null;
 | |
|     }
 | |
| 
 | |
|     final protected function processConfiguration(ConfigurationInterface $configuration, array $configs): array
 | |
|     {
 | |
|         $processor = new Processor();
 | |
| 
 | |
|         return $this->processedConfigs[] = $processor->processConfiguration($configuration, $configs);
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @internal
 | |
|      */
 | |
|     final public function getProcessedConfigs(): array
 | |
|     {
 | |
|         try {
 | |
|             return $this->processedConfigs;
 | |
|         } finally {
 | |
|             $this->processedConfigs = [];
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     /**
 | |
|      * @throws InvalidArgumentException When the config is not enableable
 | |
|      */
 | |
|     protected function isConfigEnabled(ContainerBuilder $container, array $config): bool
 | |
|     {
 | |
|         if (!\array_key_exists('enabled', $config)) {
 | |
|             throw new InvalidArgumentException("The config array has no 'enabled' key.");
 | |
|         }
 | |
| 
 | |
|         return (bool) $container->getParameterBag()->resolveValue($config['enabled']);
 | |
|     }
 | |
| }
 |