|
1
|
<?php |
|
2
|
|
|
3
|
declare(strict_types=1); |
|
4
|
|
|
5
|
namespace Serializor; |
|
6
|
|
|
7
|
use SplObjectStorage; |
|
8
|
|
|
9
|
/** |
|
10
|
* Stasis for SplObjectStorage objects. |
|
11
|
* Uses objects as keys with associated data values. |
|
12
|
*/ |
|
13
|
final class SplObjectStorageStasis extends Stasis |
|
14
|
{ |
|
15
|
private array $objects = []; |
|
16
|
private array $data = []; |
|
17
|
|
|
18
|
private function __construct() {} |
|
19
|
|
|
20
|
public function __serialize(): array |
|
21
|
{ |
|
22
|
return ['o' => $this->objects, 'd' => $this->data]; |
|
23
|
} |
|
24
|
|
|
25
|
public function __unserialize(array $data): void |
|
26
|
{ |
|
27
|
$this->objects = $data['o']; |
|
28
|
$this->data = $data['d']; |
|
29
|
} |
|
30
|
|
|
31
|
public function getClassName(): string |
|
32
|
{ |
|
33
|
return SplObjectStorage::class; |
|
34
|
} |
|
35
|
|
|
36
|
public static function fromStorage(SplObjectStorage $value): SplObjectStorageStasis |
|
37
|
{ |
|
38
|
$frozen = new SplObjectStorageStasis(); |
|
39
|
|
|
40
|
foreach ($value as $obj) { |
|
41
|
$frozen->objects[] = $obj; |
|
42
|
$frozen->data[] = $value[$obj]; |
|
43
|
} |
|
44
|
|
|
45
|
return $frozen; |
|
46
|
} |
|
47
|
|
|
48
|
/** |
|
49
|
* Get the objects for transformation. |
|
50
|
*/ |
|
51
|
public function &getObjects(): array |
|
52
|
{ |
|
53
|
return $this->objects; |
|
54
|
} |
|
55
|
|
|
56
|
/** |
|
57
|
* Get the data for transformation. |
|
58
|
*/ |
|
59
|
public function &getData(): array |
|
60
|
{ |
|
61
|
return $this->data; |
|
62
|
} |
|
63
|
|
|
64
|
public function &getInstance(): mixed |
|
65
|
{ |
|
66
|
if ($this->hasInstance()) { |
|
67
|
return $this->getCachedInstance(); |
|
68
|
} |
|
69
|
|
|
70
|
$storage = new SplObjectStorage(); |
|
71
|
|
|
72
|
for ($i = 0, $len = count($this->objects); $i < $len; $i++) { |
|
73
|
$storage[$this->objects[$i]] = $this->data[$i]; |
|
74
|
} |
|
75
|
|
|
76
|
$this->setInstance($storage); |
|
77
|
return $storage; |
|
78
|
} |
|
79
|
} |
|
80
|
|