ParsingState.php

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<?php
namespace TYPO3\CMS\Fluid\Core\Parser;

/*                                                                        *
 * 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 ParsingState implements \TYPO3\CMS\Fluid\Core\Parser\ParsedTemplateInterface
{
    protected $rootNode;

    protected $nodeStack = [];

    protected $variableContainer;

    protected $layoutNameNode;

    protected $compilable = true;

    public function setRootNode(\TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\AbstractNode $rootNode)
    {
        $this->rootNode = $rootNode;
    }

    public function getRootNode()
    {
        return $this->rootNode;
    }

    public function render(\TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface $renderingContext)
    {
        return $this->rootNode->evaluate($renderingContext);
    }

    public function pushNodeToStack(\TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\AbstractNode $node)
    {
        array_push($this->nodeStack, $node);
    }

    public function getNodeFromStack()
    {
        return $this->nodeStack[count($this->nodeStack) - 1];
    }

    public function popNodeFromStack()
    {
        return array_pop($this->nodeStack);
    }

    public function countNodeStack()
    {
        return count($this->nodeStack);
    }

    public function getVariableContainer()
    {
        return $this->variableContainer;
    }

    public function setLayoutNameNode(\TYPO3\CMS\Fluid\Core\Parser\SyntaxTree\AbstractNode $layoutNameNode)
    {
        $this->layoutNameNode = $layoutNameNode;
    }

    public function getLayoutNameNode()
    {
        return $this->layoutNameNode;
    }

    public function hasLayout()
    {
        return $this->layoutNameNode !== null;
    }

    public function getLayoutName(\TYPO3\CMS\Fluid\Core\Rendering\RenderingContextInterface $renderingContext)
    {
        if (!$this->hasLayout()) {
            return null;
        }
        $layoutName = $this->layoutNameNode->evaluate($renderingContext);
        if (!empty($layoutName)) {
            return $layoutName;
        }
        throw new \TYPO3\CMS\Fluid\View\Exception('The layoutName could not be evaluated to a string', 1296805368);
    }

    public function isCompilable()
    {
        return $this->compilable;
    }

    public function setCompilable($compilable)
    {
        $this->compilable = $compilable;
    }

    public function isCompiled()
    {
        return false;
    }
}