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<?php
/*
* This file belongs to the package "TYPO3 Fluid".
* See LICENSE.txt that was shipped with this package.
*/
namespace TYPO3Fluid\Fluid\Core\Parser\SyntaxTree;
use TYPO3Fluid\Fluid\Core\Compiler\TemplateCompiler;
use TYPO3Fluid\Fluid\Core\Parser;
use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
/**
* Escaping Node - wraps all content that must be escaped before output.
*
* @internal
* @todo Make class final.
*/
class EscapingNode extends AbstractNode
{
/**
* Node to be escaped
*/
protected NodeInterface $node;
/**
* Constructor.
*
* @param NodeInterface $node
*/
public function __construct(NodeInterface $node)
{
$this->node = $node;
}
/**
* Return the value associated to the syntax tree.
*
* @param RenderingContextInterface $renderingContext
* @return mixed the value stored in this node/subtree.
*/
public function evaluate(RenderingContextInterface $renderingContext)
{
$evaluated = $this->node->evaluate($renderingContext);
if (is_string($evaluated) || (is_object($evaluated) && method_exists($evaluated, '__toString'))) {
return htmlspecialchars((string)$evaluated, ENT_QUOTES);
}
return $evaluated;
}
public function getNode(): NodeInterface
{
return $this->node;
}
/**
* NumericNode does not allow adding child nodes, so this will always throw an exception.
*
* @param NodeInterface $childNode The sub node to add
* @throws Parser\Exception
*/
public function addChildNode(NodeInterface $childNode)
{
$this->node = $childNode;
}
public function convert(TemplateCompiler $templateCompiler): array
{
$configuration = $this->getNode()->convert($templateCompiler);
if ($configuration['execution'] !== '\'\'') {
$configuration['execution'] = sprintf(
'call_user_func_array( function ($var) { ' .
'return (is_string($var) || (is_object($var) && method_exists($var, \'__toString\')) ' .
'? htmlspecialchars((string) $var, ENT_QUOTES) : $var); }, [%s])',
$configuration['execution']
);
}
return $configuration;
}
}