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<?php |
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/** |
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* @copyright Copyright (C) eZ Systems AS. All rights reserved. |
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* @license For full copyright and license information view LICENSE file distributed with this source code. |
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*/ |
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declare(strict_types=1); |
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namespace eZ\Publish\Core\MVC\Symfony\ExpressionLanguage; |
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use eZ\Publish\Core\Base\Exceptions\InvalidArgumentException; |
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use eZ\Publish\Core\MVC\Symfony\View\ContentView; |
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use eZ\Publish\Core\MVC\Symfony\View\VariableProviderRegistry; |
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use Symfony\Component\ExpressionLanguage\ExpressionFunction; |
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use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface; |
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final class TwigVariableProviderExtension implements ExpressionFunctionProviderInterface |
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{ |
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public const PROVIDER_REGISTRY_PARAMETER = 'providerRegistry'; |
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public const VIEW_PARAMETER = 'view'; |
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/** |
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* @return \Symfony\Component\ExpressionLanguage\ExpressionFunction[] |
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*/ |
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public function getFunctions(): array |
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{ |
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return [ |
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new ExpressionFunction( |
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'twig_variable_provider', |
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function (string $identifier) { |
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return 'Not implemented: Not a Dependency Injection expression'; |
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}, |
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function (array $variables, string $identifier) { |
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if (!$this->hasParameterProvider($variables)) { |
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throw new InvalidArgumentException( |
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self::PROVIDER_REGISTRY_PARAMETER, |
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'Expression parameter is not a valid type of ' . VariableProviderRegistry::class |
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); |
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} |
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$view = $variables[self::VIEW_PARAMETER] ?? new ContentView(); |
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$providerRegistry = $variables[self::PROVIDER_REGISTRY_PARAMETER]; |
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$provider = $providerRegistry->getTwigVariableProvider($identifier); |
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return $provider->getTwigVariables($view, $variables); |
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} |
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), |
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]; |
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} |
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private function hasParameterProvider(array $variables): bool |
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{ |
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return !empty($variables[self::PROVIDER_REGISTRY_PARAMETER]) |
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&& $variables[self::PROVIDER_REGISTRY_PARAMETER] instanceof VariableProviderRegistry; |
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} |
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} |
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ezsystems /
ezpublish-kernel
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.