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<?php |
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/* |
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* 2017 Romain CANON <[email protected]> |
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* |
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* This file is part of the TYPO3 FormZ project. |
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* It is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License, either |
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* version 3 of the License, or any later version. |
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* |
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* For the full copyright and license information, see: |
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* http://www.gnu.org/licenses/gpl-3.0.html |
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*/ |
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namespace Romm\Formz\ViewHelpers; |
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use Romm\Formz\Core\Core; |
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use Romm\Formz\Exceptions\ContextNotFoundException; |
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use Romm\Formz\Exceptions\InvalidOptionValueException; |
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use Romm\Formz\Exceptions\MissingArgumentException; |
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use Romm\Formz\Form\FormInterface; |
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use Romm\Formz\Form\FormObjectFactory; |
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use Romm\Formz\Service\ViewHelper\FormViewHelperService; |
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use TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface; |
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use TYPO3\CMS\Fluid\Core\ViewHelper\Facets\CompilableInterface; |
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/** |
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* Use this view helper to get the identifier hash of a given form. |
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* |
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* If you use it inside the `FormViewHelper`, you don't have to fill the |
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* arguments `form` and `name`. |
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*/ |
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class FormIdentifierHashViewHelper extends AbstractViewHelper implements CompilableInterface |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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public function initializeArguments() |
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{ |
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$this->registerArgument('form', 'object', 'Form instance, that must implement `FormInterface`. If this argument is filled, you must also fill the argument `name`.'); |
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$this->registerArgument('name', 'string', 'Name of the form, which is used only if the argument `form` is filled.'); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function render() |
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{ |
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return self::renderStatic($this->arguments, $this->buildRenderChildrenClosure(), $this->renderingContext); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext) |
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{ |
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/** @var FormViewHelperService $formService */ |
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$formService = Core::instantiate(FormViewHelperService::class); |
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$formObject = null; |
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$form = $arguments['form']; |
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if (null !== $form) { |
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if (false === is_object($form)) { |
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throw InvalidOptionValueException::formIdentifierViewHelperWrongFormValueType($form); |
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} |
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if (false === $form instanceof FormInterface) { |
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throw InvalidOptionValueException::formIdentifierViewHelperWrongFormValueObjectType($form); |
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} |
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if (null === $arguments['name']) { |
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throw MissingArgumentException::formIdentifierNameMissing(); |
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} |
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/** @var FormObjectFactory $formObjectFactory */ |
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$formObjectFactory = Core::instantiate(FormObjectFactory::class); |
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$formObject = $formObjectFactory->getInstanceFromFormInstance($form, $arguments['name']); |
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} elseif ($formService->formContextExists()) { |
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$formObject = $formService->getFormObject(); |
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} |
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if (null === $formObject) { |
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throw ContextNotFoundException::formIdentifierViewHelperFormContextNotFound(); |
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} |
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return $formObject->getFormIdentifierHash(); |
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} |
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} |
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romm /
formz
This check looks for parameters that are defined as one type in their type hint or doc comment but seem to be used as a narrower type, i.e an implementation of an interface or a subclass.
Consider changing the type of the parameter or doing an instanceof check before assuming your parameter is of the expected type.