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148 lars 1 
<?php
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/*
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 * This file is part of the Symfony package.
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 *
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 * (c) Fabien Potencier <fabien@symfony.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Symfony\Component\Translation\Extractor\Visitor;
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use PhpParser\Node;
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use PhpParser\NodeVisitor;
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/**
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 * @author Mathieu Santostefano <msantostefano@protonmail.com>
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 */
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final class TranslatableMessageVisitor extends AbstractVisitor implements NodeVisitor
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{
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    public function beforeTraverse(array $nodes): ?Node
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    {
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        return null;
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    }
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    public function enterNode(Node $node): ?Node
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    {
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        if (!$node instanceof Node\Expr\New_) {
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            return null;
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        }
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        if (!($className = $node->class) instanceof Node\Name) {
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            return null;
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        }
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        if (!\in_array('TranslatableMessage', $className->parts, true)) {
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            return null;
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        }
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        $firstNamedArgumentIndex = $this->nodeFirstNamedArgumentIndex($node);
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        if (!$messages = $this->getStringArguments($node, 0 < $firstNamedArgumentIndex ? 0 : 'message')) {
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            return null;
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        }
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        $domain = $this->getStringArguments($node, 2 < $firstNamedArgumentIndex ? 2 : 'domain')[0] ?? null;
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        foreach ($messages as $message) {
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            $this->addMessageToCatalogue($message, $domain, $node->getStartLine());
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        }
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        return null;
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    }
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    public function leaveNode(Node $node): ?Node
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    {
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        return null;
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    }
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    public function afterTraverse(array $nodes): ?Node
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    {
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        return null;
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    }
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}