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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;
use Psr\Container\ContainerInterface;
use TYPO3\CMS\Core\Cache\CacheManager;
use TYPO3\CMS\Core\Cache\Frontend\PhpFrontend;
use TYPO3\CMS\Core\TypoScript\AST\AstBuilderInterface;
use TYPO3\CMS\Core\TypoScript\AST\Node\RootNode;
use TYPO3\CMS\Core\TypoScript\IncludeTree\StringTreeBuilder;
use TYPO3\CMS\Core\TypoScript\IncludeTree\Traverser\IncludeTreeTraverser;
use TYPO3\CMS\Core\TypoScript\IncludeTree\Visitor\IncludeTreeAstBuilderVisitor;
use TYPO3\CMS\Core\TypoScript\Tokenizer\TokenizerInterface;
/**
* A factory to create the AST object tree for a given TypoScript snippet.
*
* This is used by some consumers in the core that parse a TypoScript a-like
* syntax that is not Frontend TypoScript and TsConfig directly.
*/
final class TypoScriptStringFactory
{
public function __construct(
private readonly ContainerInterface $container,
private readonly TokenizerInterface $tokenizer,
) {}
/**
* Parse a single string and support imports and conditions, cache optionally.
*
* @param non-empty-string $name A name used as cache identifier, [a-z,A-Z,-] only
*/
public function parseFromStringWithIncludes(string $name, string $typoScript): RootNode
{
$cacheManager = $this->container->get(CacheManager::class);
/** @var PhpFrontend $cache */
$cache = $cacheManager->getCache('typoscript');
$stringTreeBuilder = $this->container->get(StringTreeBuilder::class);
$includeTree = $stringTreeBuilder->getTreeFromString($name, $typoScript, $this->tokenizer, $cache);
$includeTreeTraverserConditionVerdictAware = new IncludeTreeTraverser();
$astBuilderVisitor = $this->container->get(IncludeTreeAstBuilderVisitor::class);
$includeTreeTraverserConditionVerdictAware->traverse($includeTree, [$astBuilderVisitor]);
return $astBuilderVisitor->getAst();
}
/**
* Parse a single string *not* supporting imports, conditions and caching.
* Detail method used in install tool and in a couple of other special cases.
*
* @internal
*/
public function parseFromString(string $typoScript, AstBuilderInterface $astBuilder): RootNode
{
$lineStream = $this->tokenizer->tokenize($typoScript);
return $astBuilder->build($lineStream, new RootNode());
}
}