blob: 7db95ef782417615b18131f471f17b865594ceea (
plain)
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
|
<?php
/**
* Isis field iterator. Iterates over all field main values for
* each result row.
*/
class IsisMainItemIterator implements Iterator
{
private $class;
private $field;
private $valueset;
private $row = 0;
private $rows = 0;
/**
* Constructor.
*
* @param $class
* Instance of IsisConnector or child class.
*
* @param $field
* Field to iterate over.
*/
public function __construct($class, $field) {
$this->rows = $class->getRows($field);
$this->valueset = $class->getValues($field);
$this->class = $class;
$this->field = $field;
}
/**
* Rewind the Iterator to the first element.
*/
function rewind() {
$this->row = 0;
$this->value = 0;
}
/**
* Return the key of the current element.
*/
function key() {
return $this->row;
}
/**
* Return the current element.
*/
function current() {
$field = $this->class->getMainItemName($this->field);
if (isset($this->valueset[$this->row])) {
return $this->valueset[$this->row][$field];
}
}
/**
* Move forward to next element.
*/
function next() {
do {
++$this->row;
}
while ($this->current_null() && $this->has_more_rows());
}
/**
* Check if there are more rows.
*/
function has_more_rows() {
return $this->row < $this->rows;
}
/**
* Check if the current value is null.
*/
function current_null() {
return $this->current() == NULL;
}
/**
* Check if there is a current element after calls to rewind() or next().
*/
function valid() {
return $this->has_more_rows() && !$this->current_null();
}
}
|
