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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;
/**
* Numeric Syntax Tree Node - is a container for numeric values.
*
* @internal
* @todo Make class final.
*/
class NumericNode extends AbstractNode
{
/**
* Contents of the numeric node
* @var number
*/
protected $value;
/**
* Constructor.
*
* @param string|number $value value to store in this numericNode
* @throws Parser\Exception
*/
public function __construct($value)
{
if (!is_numeric($value)) {
throw new Parser\Exception('Numeric node requires an argument of type number, "' . gettype($value) . '" given.');
}
$this->value = $value + 0;
}
/**
* Return the value associated to the syntax tree.
*
* @param RenderingContextInterface $renderingContext
* @return number the value stored in this node/subtree.
*/
public function evaluate(RenderingContextInterface $renderingContext)
{
return $this->value;
}
/**
* Getter for value
*
* @return number The value of this node
*/
public function getValue()
{
return $this->value;
}
/**
* 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 $childNode)
{
throw new Parser\Exception('Numeric nodes may not contain child nodes, tried to add "' . get_class($childNode) . '".');
}
public function convert(TemplateCompiler $templateCompiler): array
{
return [
'initialization' => '',
'execution' => $this->value,
];
}
}