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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) 2009-2023 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 ReturnTypeWillChange; |
| 17 | |
| 18 | /** |
| 19 | * Dom iterator class |
| 20 | * |
| 21 | * @category Pop |
| 22 | * @package Pop\Dom |
| 23 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 24 | * @copyright Copyright (c) 2009-2023 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 25 | * @license http://www.popphp.org/license New BSD License |
| 26 | * @version 3.3.0 |
| 27 | */ |
| 28 | class DomIterator implements \RecursiveIterator |
| 29 | { |
| 30 | |
| 31 | /** |
| 32 | * Current position |
| 33 | * @var int |
| 34 | */ |
| 35 | protected $position; |
| 36 | |
| 37 | /** |
| 38 | * Node List |
| 39 | * @var \DOMNodeList |
| 40 | */ |
| 41 | protected $nodeList; |
| 42 | |
| 43 | /** |
| 44 | * Constructor |
| 45 | * |
| 46 | * Instantiate the DOM iterator object |
| 47 | * |
| 48 | * @param \DOMNode $domNode |
| 49 | */ |
| 50 | public function __construct(\DOMNode $domNode) |
| 51 | { |
| 52 | $this->position = 0; |
| 53 | $this->nodeList = $domNode->childNodes; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Get current method |
| 58 | * @return \DOMNode |
| 59 | */ |
| 60 | #[ReturnTypeWillChange] |
| 61 | public function current() |
| 62 | { |
| 63 | return $this->nodeList->item($this->position); |
| 64 | } |
| 65 | |
| 66 | /** |
| 67 | * Get children method |
| 68 | * @return DomIterator |
| 69 | */ |
| 70 | #[ReturnTypeWillChange] |
| 71 | public function getChildren() |
| 72 | { |
| 73 | return new self($this->current()); |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Has children method |
| 78 | * @return bool |
| 79 | */ |
| 80 | public function hasChildren(): bool |
| 81 | { |
| 82 | return $this->current()->hasChildNodes(); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Key method |
| 87 | * @return int |
| 88 | */ |
| 89 | public function key(): int |
| 90 | { |
| 91 | return $this->position; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Next method |
| 96 | */ |
| 97 | #[ReturnTypeWillChange] |
| 98 | public function next() |
| 99 | { |
| 100 | $this->position++; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Rewind method |
| 105 | */ |
| 106 | #[ReturnTypeWillChange] |
| 107 | public function rewind() |
| 108 | { |
| 109 | $this->position = 0; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Is valid method |
| 114 | * @return bool |
| 115 | */ |
| 116 | public function valid(): bool |
| 117 | { |
| 118 | return $this->position < $this->nodeList->length; |
| 119 | } |
| 120 | |
| 121 | } |