packeta / packetery_vendor / nette / component-model / src / ComponentModel / RecursiveComponentIterator.php

RecursiveComponentIterator.php in Packeta 1.2.6, at packetery_vendor/nette/component-model/src/ComponentModel/RecursiveComponentIterator.php

46 lines 872 B

Raw Download Zip

1	<?php
2
3	/**
4	* This file is part of the PacketeryNette Framework (https://nette.org)
5	* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
6	*/
7
8	declare(strict_types=1);
9
10	namespace PacketeryNette\ComponentModel;
11
12
13	/**
14	* Recursive component iterator. See Container::getComponents().
15	* @internal
16	*/
17	final class RecursiveComponentIterator extends \RecursiveArrayIterator implements \Countable
18	{
19	/**
20	* Has the current element has children?
21	*/
22	public function hasChildren(): bool
23	{
24	return $this->current() instanceof IContainer;
25	}
26
27
28	/**
29	* The sub-iterator for the current element.
30	* @return \RecursiveIterator<int\|string,IComponent>
31	*/
32	public function getChildren(): \RecursiveIterator
33	{
34	return $this->current()->getComponents();
35	}
36
37
38	/**
39	* Returns the count of elements.
40	*/
41	public function count(): int
42	{
43	return iterator_count($this);
44	}
45	}
46