blob: 1fcf6cdad5b55450ee7206f3382a02e4f1732faf (
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
|
<?php
namespace SMW\Iterators;
use ArrayIterator;
use Countable;
use Iterator;
use RuntimeException;
use Traversable;
/**
* @see Guzzle::AppendIterator
* @see https://bugs.php.net/bug.php?id=49104
*
* @license GNU GPL v2+
* @since 3.0
*/
class AppendIterator extends \AppendIterator implements Countable {
/**
* @var integer
*/
private $count = 0;
/**
* @since 3.0
*
* @param Traversable|array $iterator
*/
public function add( $iterable ) {
if ( is_array( $iterable ) ) {
$iterable = new ArrayIterator( $iterable );
}
if ( !$iterable instanceof Traversable ) {
throw new RuntimeException( "AppendIterator expected an Traversable" );
}
$this->append( $iterable );
}
/**
* @see Countable::count
* @since 3.0
*
* {@inheritDoc}
*/
public function count() {
return $this->count;
}
/**
* @since 3.0
*
* {@inheritDoc}
*/
public function append( Iterator $iterable ) {
if ( $iterable instanceof Countable ) {
$this->count += $iterable->count();
}
$this->getArrayIterator()->append( $iterable );
}
}
|
