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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Dom; |
| 15 | |
| 16 | use DOMNodeList; |
| 17 | use DOMNode; |
| 18 | |
| 19 | /** |
| 20 | * Dom iterator class |
| 21 | * |
| 22 | * @category Pop |
| 23 | * @package Pop\Dom |
| 24 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 25 | * @copyright Copyright (c) 2009-2024 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 26 | * @license http://www.popphp.org/license New BSD License |
| 27 | * @version 4.0.0 |
| 28 | */ |
| 29 | class DomIterator implements \RecursiveIterator |
| 30 | { |
| 31 | |
| 32 | /** |
| 33 | * Current position |
| 34 | * @var int |
| 35 | */ |
| 36 | protected int $position = 0; |
| 37 | |
| 38 | /** |
| 39 | * Node List |
| 40 | * @var ?DOMNodeList |
| 41 | */ |
| 42 | protected ?DOMNodeList $nodeList = null; |
| 43 | |
| 44 | /** |
| 45 | * Constructor |
| 46 | * |
| 47 | * Instantiate the DOM iterator object |
| 48 | * |
| 49 | * @param DOMNode $domNode |
| 50 | */ |
| 51 | public function __construct(DOMNode $domNode) |
| 52 | { |
| 53 | $this->nodeList = $domNode->childNodes; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Get current method |
| 58 | * @return DOMNode |
| 59 | */ |
| 60 | public function current(): DOMNode |
| 61 | { |
| 62 | return $this->nodeList->item($this->position); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Get children method |
| 67 | * @return DomIterator |
| 68 | */ |
| 69 | public function getChildren(): DomIterator |
| 70 | { |
| 71 | return new self($this->current()); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * Has children method |
| 76 | * @return bool |
| 77 | */ |
| 78 | public function hasChildren(): bool |
| 79 | { |
| 80 | return $this->current()->hasChildNodes(); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Key method |
| 85 | * @return int |
| 86 | */ |
| 87 | public function key(): int |
| 88 | { |
| 89 | return $this->position; |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Next method |
| 94 | * @return void |
| 95 | */ |
| 96 | public function next(): void |
| 97 | { |
| 98 | $this->position++; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Rewind method |
| 103 | * @return void |
| 104 | */ |
| 105 | public function rewind(): void |
| 106 | { |
| 107 | $this->position = 0; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Is valid method |
| 112 | * @return bool |
| 113 | */ |
| 114 | public function valid(): bool |
| 115 | { |
| 116 | return $this->position < $this->nodeList->length; |
| 117 | } |
| 118 | |
| 119 | } |