<?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\Finder\Iterator;
/**
* DepthRangeFilterIterator limits the directory depth.
*
* @author Fabien Potencier <fabien@symfony.com>
*
* @template-covariant TKey
* @template-covariant TValue
*
* @extends \FilterIterator<TKey, TValue>
*/
class DepthRangeFilterIterator extends \FilterIterator
{
private int $minDepth = 0;
/**
* @param \RecursiveIteratorIterator<\RecursiveIterator<TKey, TValue>> $iterator The Iterator to filter
* @param int $minDepth The min depth
* @param int $maxDepth The max depth
*/
public function __construct(\RecursiveIteratorIterator $iterator, int $minDepth = 0, int $maxDepth = \PHP_INT_MAX)
{
$this->minDepth = $minDepth;
$iterator->setMaxDepth(\PHP_INT_MAX === $maxDepth ? -1 : $maxDepth);
parent::__construct($iterator);
}
/**
* Filters the iterator values.
*/
public function accept(): bool
{
return $this->getInnerIterator()->getDepth() >= $this->minDepth;
}
}