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✏️ Edit File: /home/u414903541/domains/finrush.in/public_html/vendor/symfony/console/Helper/TreeHelper.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Helper;

use Symfony\Component\Console\Output\OutputInterface;

/**
 * The TreeHelper class provides methods to display tree-like structures.
 *
 * @author Simon André <smn.andre@gmail.com>
 *
 * @implements \RecursiveIterator<int, TreeNode>
 */
final class TreeHelper implements \RecursiveIterator
{
    /**
     * @var \Iterator<int, TreeNode>
     */
    private \Iterator $children;

private function __construct(
        private readonly OutputInterface $output,
        private readonly TreeNode $node,
        private readonly TreeStyle $style,
    ) {
        $this->children = new \IteratorIterator($this->node->getChildren());
        $this->children->rewind();
    }

public static function createTree(OutputInterface $output, string|TreeNode|null $root = null, iterable $values = [], ?TreeStyle $style = null): self
    {
        $node = $root instanceof TreeNode ? $root : new TreeNode($root ?? '');

return new self($output, TreeNode::fromValues($values, $node), $style ?? TreeStyle::default());
    }

public function current(): TreeNode
    {
        return $this->children->current();
    }

public function key(): int
    {
        return $this->children->key();
    }

public function next(): void
    {
        $this->children->next();
    }

public function rewind(): void
    {
        $this->children->rewind();
    }

public function valid(): bool
    {
        return $this->children->valid();
    }

public function hasChildren(): bool
    {
        if (null === $current = $this->current()) {
            return false;
        }

foreach ($current->getChildren() as $child) {
            return true;
        }

return false;
    }

public function getChildren(): \RecursiveIterator
    {
        return new self($this->output, $this->current(), $this->style);
    }

/**
     * Recursively renders the tree to the output, applying the tree style.
     */
    public function render(): void
    {
        $treeIterator = new \RecursiveTreeIterator($this);

$this->style->applyPrefixes($treeIterator);

$this->output->writeln($this->node->getValue());

$visited = new \SplObjectStorage();
        foreach ($treeIterator as $node) {
            $currentNode = $node instanceof TreeNode ? $node : $treeIterator->getInnerIterator()->current();
            if ($visited->contains($currentNode)) {
                throw new \LogicException(\sprintf('Cycle detected at node: "%s".', $currentNode->getValue()));
            }
            $visited->attach($currentNode);

$this->output->writeln($node);
        }
    }
}

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