1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
<?php namespace Dompdf\Frame;
use Iterator; use Dompdf\Frame;
/** * Linked-list Iterator * * Returns children in order and allows for list to change during iteration, * provided the changes occur to or after the current element * * @access private * @package dompdf */ class FrameListIterator implements Iterator {
/** * @var Frame */ protected $_parent;
/** * @var Frame */ protected $_cur;
/** * @var int */ protected $_num;
/** * @param Frame $frame */ public function __construct(Frame $frame) { $this->_parent = $frame; $this->_cur = $frame->get_first_child(); $this->_num = 0; }
/** * */ public function rewind() { $this->_cur = $this->_parent->get_first_child(); $this->_num = 0; }
/** * @return bool */ public function valid() { return isset($this->_cur); // && ($this->_cur->get_prev_sibling() === $this->_prev); }
/** * @return int */ public function key() { return $this->_num; }
/** * @return Frame */ public function current() { return $this->_cur; }
/** * @return Frame */ public function next() { $ret = $this->_cur; if (!$ret) { return null; }
$this->_cur = $this->_cur->get_next_sibling(); $this->_num++; return $ret; } }
|