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<?php |
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/** |
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* WebHemi. |
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* |
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* PHP version 7.1 |
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* |
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* @copyright 2012 - 2017 Gixx-web (http://www.gixx-web.com) |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* |
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* @link http://www.gixx-web.com |
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*/ |
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declare(strict_types = 1); |
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namespace WebHemi\Renderer\ServiceAdapter\Twig; |
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use RuntimeException; |
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use Twig_Extension; |
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use Twig_SimpleFilter; |
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use Twig_SimpleFunction; |
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use WebHemi\Configuration\ServiceInterface as ConfigurationInterface; |
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use WebHemi\DependencyInjection\ServiceInterface as DependencyInjectionInterface; |
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use WebHemi\Environment\ServiceInterface as EnvironmentInterface; |
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use WebHemi\Renderer\FilterInterface; |
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use WebHemi\Renderer\HelperInterface; |
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/** |
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* Class TwigExtension |
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* |
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* @codeCoverageIgnore - Test helpers and filters individually. It's only the shipped solution |
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* to add them to the renderer. |
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*/ |
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class TwigExtension extends Twig_Extension |
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{ |
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/** @var DependencyInjectionInterface */ |
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private $dependencyInjectionAdapter; |
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/** @var ConfigurationInterface */ |
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private $configuration; |
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/** @var EnvironmentInterface */ |
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private $environmentManager; |
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/** |
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* TwigExtension constructor. |
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*/ |
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public function __construct() |
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{ |
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// Oh, this is a disgusting ugly hack... |
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global $dependencyInjection; |
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$this->dependencyInjectionAdapter = $dependencyInjection; |
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$this->configuration = $this->dependencyInjectionAdapter->get(ConfigurationInterface::class); |
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$this->environmentManager = $this->dependencyInjectionAdapter->get(EnvironmentInterface::class); |
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} |
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/** |
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* Returns extension filters. |
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* |
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* @return array<Twig_SimpleFilter> |
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*/ |
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public function getFilters() |
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{ |
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return $this->getExtensions('filter'); |
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} |
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/** |
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* Returns extension functions. |
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* |
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* @return array<Twig_SimpleFunction> |
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*/ |
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public function getFunctions() : array |
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{ |
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return $this->getExtensions('helper'); |
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} |
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/** |
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* Gets the specific type of extension |
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* |
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* @param string $type Must be `filter` or `helper` |
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* @return array |
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*/ |
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private function getExtensions(string $type) : array |
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{ |
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$extensions = []; |
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$extensionConfig = $this->getConfig($type); |
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foreach ($extensionConfig as $className) { |
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$callable = $this->dependencyInjectionAdapter->get($className); |
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$this->checkExtensionType($type, $callable); |
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if ($type == 'helper') { |
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$extensions[] = new Twig_SimpleFunction($callable::getName(), $callable); |
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continue; |
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} |
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$extensions[] = new Twig_SimpleFilter($callable::getName(), $callable); |
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} |
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return $extensions; |
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} |
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/** |
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* Checks whether the extension has the valid type. |
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* |
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* @param string $type |
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* @param object $callable |
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* @throws RuntimeException |
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*/ |
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private function checkExtensionType($type, $callable) : void |
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{ |
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if (($type == 'helper' && $callable instanceof HelperInterface) |
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|| ($type == 'filter' && $callable instanceof FilterInterface) |
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) { |
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return; |
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} |
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throw new RuntimeException( |
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sprintf( |
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'The class %s cannot be registered as Renderer/'.ucfirst($type).'!', |
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get_class($callable) |
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), |
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1000 |
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); |
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} |
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/** |
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* Returns the renderer config by type. |
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* |
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* @param string $type |
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* @return array |
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*/ |
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private function getConfig(string $type) : array |
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{ |
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$module = $this->environmentManager->getSelectedModule(); |
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$config = []; |
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if ($this->configuration->has('renderer/Global/'.$type)) { |
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$config = $this->configuration->getData('renderer/Global/'.$type); |
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} |
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if ($this->configuration->has('renderer/'.$module.'/'.$type)) { |
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$config = merge_array_overwrite( |
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$config, |
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$this->configuration->getData('renderer/'.$module.'/'.$type) |
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); |
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} |
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return $config; |
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} |
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} |
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Gixx /
WebHemi
