Obvody/vendor/nette/component-model/src/ComponentModel/RecursiveComponentIterator.php

45 lines
796 B
PHP

<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\ComponentModel;
/**
* Recursive component iterator. See Container::getComponents().
* @internal
*/
final class RecursiveComponentIterator extends \RecursiveArrayIterator implements \Countable
{
/**
* Has the current element has children?
*/
public function hasChildren(): bool
{
return $this->current() instanceof IContainer;
}
/**
* The sub-iterator for the current element.
*/
public function getChildren(): self
{
return new self($this->current()->getComponents());
}
/**
* Returns the count of elements.
*/
public function count(): int
{
return iterator_count($this);
}
}