TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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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\IncludeTree;
+
+use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
+use TYPO3\CMS\Core\Cache\Frontend\PhpFrontend;
+use TYPO3\CMS\Core\TypoScript\IncludeTree\IncludeNode\RootInclude;
+use TYPO3\CMS\Core\TypoScript\IncludeTree\IncludeNode\StringInclude;
+use TYPO3\CMS\Core\TypoScript\Tokenizer\TokenizerInterface;
+
+/**
+ * Parse a single TypoScript string, supporting imports and conditions.
+ *
+ * This is a relatively simple "tree" builder: It gets a single TypoScript string
+ * snippet, tokenizes it and creates a RootInclude "tree". The string is scanned
+ * for imports and conditions: Those create sub includes, just like the other
+ * TreeBuilder classes do.
+ *
+ * @internal
+ */
+#[Autoconfigure(public: true)]
+final readonly class StringTreeBuilder
+{
+    public function __construct(
+        private TreeFromLineStreamBuilder $treeFromTokenStreamBuilder,
+    ) {}
+
+    /**
+     * Create tree, ready to be traversed. Will cache if $cache is not null.
+     *
+     * @param non-empty-string $name A name used as cache identifier, [a-z,A-Z,-] only
+     */
+    public function getTreeFromString(
+        string $name,
+        string $typoScriptString,
+        TokenizerInterface $tokenizer,
+        ?PhpFrontend $cache = null,
+    ): RootInclude {
+        $lowerCaseName = mb_strtolower($name);
+        $identifier = 'string-' . $lowerCaseName . '-' . hash('xxh3', $typoScriptString);
+        if ($cache) {
+            $includeTree = $cache->require($identifier);
+            if ($includeTree instanceof RootInclude) {
+                return $includeTree;
+            }
+        }
+        $includeTree = new RootInclude();
+        $includeNode = new StringInclude();
+        $includeNode->setName('[string] ' . $name);
+        $includeNode->setLineStream($tokenizer->tokenize($typoScriptString));
+        $this->treeFromTokenStreamBuilder->buildTree($includeNode, 'other', $tokenizer);
+        $includeTree->addChild($includeNode);
+        $cache?->set($identifier, $this->prepareTreeForCache($includeTree));
+        return $includeTree;
+    }
+
+    private function prepareTreeForCache(RootInclude $node): string
+    {
+        return 'return unserialize(\'' . addcslashes(serialize($node), '\'\\') . '\');';
+    }
+}