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<?php
declare(strict_types=1);
/*
* This file is part of the TYPO3 CMS project.
*
* It is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, either version 2
* of the License, or any later version.
*
* For the full copyright and license information, please read the
* LICENSE.txt file that was distributed with this source code.
*
* The TYPO3 project - inspiring people to share!
*/
namespace TYPO3\CMS\Core\TypoScript\AST\Node;
/**
* AST entry node.
*
* @internal: Internal AST structure.
*/
final class RootNode extends AbstractNode
{
/**
* Attempting to clone the RootNode indicates a bug in AstBuilder.
* It should never happen.
*/
public function __clone(): void
{
throw new \LogicException('Can not clone RootNode', 1655988945);
}
/**
* RootNode has no properties to cache, just children.
*/
protected function serialize(): array
{
return [
'children' => $this->children,
];
}
public function getName(): ?string
{
return null;
}
public function updateName(string $name): void
{
throw new \RuntimeException('RootNode has no name. Don\'t call updateName().', 1653743453);
}
public function setValue(?string $value): void
{
throw new \RuntimeException('RootNode has no value. Don\'t call setValue().', 1653743454);
}
public function appendValue(string $value): void
{
throw new \RuntimeException('RootNode has no value. Don\'t call appendValue().', 1653743455);
}
public function getValue(): ?string
{
return null;
}
public function isValueNull(): bool
{
return true;
}
/**
* @return array<string, mixed>
*/
public function toArray(): array
{
$result = [];
foreach ($this->getNextChild() as $child) {
$childName = $child->getName();
if ($child instanceof ReferenceChildNode) {
// Hack for b/w compat parsing of `=<` operator. See ContentObjectRenderer cObjGetSingle() and mergeTSRef()
$childValue = '< ' . $child->getReferenceSourceStream();
} else {
$childValue = $child->getValue();
}
if ($childValue !== null) {
$result[$childName] = $childValue;
}
$grandChildren = $child->toArray();
if ($grandChildren !== null) {
$result[$childName . '.'] = $grandChildren;
}
}
return $result;
}
public function flatten(string $prefix = ''): array
{
$flatArray = [];
foreach ($this->getNextChild() as $child) {
$flatArray = array_merge($flatArray, $child->flatten(''));
}
return $flatArray;
}
}