-
Notifications
You must be signed in to change notification settings - Fork 4
/
Copy pathFileIterator.php
90 lines (79 loc) · 1.99 KB
/
FileIterator.php
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
<?php
/**
* Created by PhpStorm.
* User: jderay
* Date: 12/18/14
* Time: 12:03 AM
*/
namespace Giftcards\FixedWidth;
class FileIterator implements \Iterator
{
protected $index;
protected $current;
protected $file;
public function __construct(FileInterface $file)
{
$this->file = $file;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the current element
* @link http://php.net/manual/en/iterator.current.php
* @return mixed Can return any type.
*/
public function current()
{
return $this->current;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Move forward to next element
* @link http://php.net/manual/en/iterator.next.php
* @return void Any returned value is ignored.
*/
public function next()
{
$this->index++;
$this->loadCurrent();
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Return the key of the current element
* @link http://php.net/manual/en/iterator.key.php
* @return mixed scalar on success, or null on failure.
*/
public function key()
{
return $this->index;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Checks if current position is valid
* @link http://php.net/manual/en/iterator.valid.php
* @return boolean The return value will be casted to boolean and then evaluated.
* Returns true on success or false on failure.
*/
public function valid()
{
return (bool)$this->current;
}
/**
* (PHP 5 >= 5.0.0)<br/>
* Rewind the Iterator to the first element
* @link http://php.net/manual/en/iterator.rewind.php
* @return void Any returned value is ignored.
*/
public function rewind()
{
$this->index = 0;
$this->loadCurrent();
}
protected function loadCurrent()
{
try {
$this->current = $this->file->getLine($this->index);
} catch (\OutOfBoundsException $e) {
$this->current = null;
}
}
}