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<?php |
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namespace Knp\RadBundle\DependencyInjection\Compiler; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Container; |
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use Symfony\Component\HttpKernel\Bundle\BundleInterface; |
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use Knp\RadBundle\Finder\ClassFinder; |
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use Knp\RadBundle\DependencyInjection\Definition\TwigExtensionFactory; |
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use Knp\RadBundle\DependencyInjection\ReferenceFactory; |
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use Knp\RadBundle\DependencyInjection\ServiceIdGenerator; |
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class RegisterTwigExtensionsPass implements CompilerPassInterface |
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{ |
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private $bundle; |
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private $classFinder; |
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private $definitionFactory; |
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private $serviceIdGenerator; |
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public function __construct(BundleInterface $bundle, ClassFinder $classFinder = null, TwigExtensionFactory $definitionFactory = null, ReferenceFactory $referenceFactory = null, ServiceIdGenerator $serviceIdGenerator = null) |
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{ |
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$this->bundle = $bundle; |
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$this->classFinder = $classFinder ?: new ClassFinder(); |
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$this->definitionFactory = $definitionFactory ?: new TwigExtensionFactory(); |
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$this->referenceFactory = $referenceFactory ?: new ReferenceFactory(); |
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$this->serviceIdGenerator = $serviceIdGenerator ?: new ServiceIdGenerator(); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function process(ContainerBuilder $container) |
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{ |
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if (!$container->getparameter('knp_rad.detect.twig')) { |
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return; |
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} |
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if (false === $container->hasDefinition('twig')) { |
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return; |
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} |
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$twigDef = $container->getDefinition('twig'); |
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$directory = $this->bundle->getPath().'/Twig'; |
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$namespace = $this->bundle->getNamespace().'\Twig'; |
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$potentialClasses = $this->classFinder->findClassesMatching($directory, $namespace, 'Extension$'); |
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$classes = $this->classFinder->filterClassesImplementing($potentialClasses, 'Twig_ExtensionInterface'); |
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foreach ($classes as $class) { |
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$id = $this->serviceIdGenerator->generateForBundleClass($this->bundle, $class); |
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if ($container->hasDefinition($id)) { |
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continue; |
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} |
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$def = $this->definitionFactory->createDefinition($class); |
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$ref = $this->referenceFactory->createReference($id); |
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$container->setDefinition($id, $def); |
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$twigDef->addMethodCall('addExtension', array($ref)); |
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} |
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} |
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} |
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KnpLabs /
KnpRadBundle
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: