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1 |
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 | } |