ConstraintSyntaxTreeNode.php

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<?php
namespace TYPO3\CMS\Fluid\Tests\Unit\ViewHelpers\Fixtures;

/*                                                                        *
 * This script is backported from the TYPO3 Flow package "TYPO3.Fluid".   *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License, either version 3   *
 *  of the License, or (at your option) any later version.                *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

class ConstraintSyntaxTreeNode extends \TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\ViewHelperNode
{
    public $callProtocol = [];

    protected $variableContainer;

    public function __construct(\TYPO3\CMS\Fluid\Core\ViewHelper\TemplateVariableContainer $variableContainer)
    {
        $this->variableContainer = $variableContainer;
    }

    public function evaluateChildNodes(\TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface $renderingContext)
    {
        $identifiers = $this->variableContainer->getAllIdentifiers();
        $callElement = [];
        foreach ($identifiers as $identifier) {
            $callElement[$identifier] = $this->variableContainer->get($identifier);
        }
        $this->callProtocol[] = $callElement;
    }

    public function evaluate(\TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface $renderingContext)
    {
    }
}