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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\VarExporter\Internal;
use Symfony\Component\VarExporter\Hydrator as PublicHydrator;
/**
* Keeps the state of lazy objects.
*
* As a micro-optimization, this class uses no type declarations.
*
* @internal
*/
class LazyObjectState
{
public const STATUS_UNINITIALIZED_FULL = 1;
public const STATUS_UNINITIALIZED_PARTIAL = 2;
public const STATUS_INITIALIZED_FULL = 3;
public const STATUS_INITIALIZED_PARTIAL = 4;
/**
* @var array<string, true>
*/
public readonly array $skippedProperties;
/**
* @var self::STATUS_*
*/
public int $status = 0;
public object $realInstance;
public function __construct(public readonly \Closure|array $initializer, $skippedProperties = [])
{
$this->skippedProperties = $skippedProperties;
$this->status = \is_array($initializer) ? self::STATUS_UNINITIALIZED_PARTIAL : self::STATUS_UNINITIALIZED_FULL;
}
public function initialize($instance, $propertyName, $propertyScope)
{
if (self::STATUS_INITIALIZED_FULL === $this->status) {
return self::STATUS_INITIALIZED_FULL;
}
if (\is_array($this->initializer)) {
$class = $instance::class;
$propertyScope ??= $class;
$propertyScopes = Hydrator::$propertyScopes[$class];
$propertyScopes[$k = "\0$propertyScope\0$propertyName"] ?? $propertyScopes[$k = "\0*\0$propertyName"] ?? $k = $propertyName;
if ($initializer = $this->initializer[$k] ?? null) {
$value = $initializer(...[$instance, $propertyName, $propertyScope, LazyObjectRegistry::$defaultProperties[$class][$k] ?? null]);
$accessor = LazyObjectRegistry::$classAccessors[$propertyScope] ??= LazyObjectRegistry::getClassAccessors($propertyScope);
$accessor['set']($instance, $propertyName, $value);
return $this->status = self::STATUS_INITIALIZED_PARTIAL;
}
if ($initializer = $this->initializer["\0"] ?? null) {
if (!\is_array($values = $initializer($instance, LazyObjectRegistry::$defaultProperties[$class]))) {
throw new \TypeError(sprintf('The lazy-initializer defined for instance of "%s" must return an array, got "%s".', $class, get_debug_type($values)));
}
$properties = (array) $instance;
foreach ($values as $key => $value) {
if (!\array_key_exists($key, $properties) && [$scope, $name, $readonlyScope] = $propertyScopes[$key] ?? null) {
$scope = $readonlyScope ?? ('*' !== $scope ? $scope : $class);
$accessor = LazyObjectRegistry::$classAccessors[$scope] ??= LazyObjectRegistry::getClassAccessors($scope);
$accessor['set']($instance, $name, $value);
if ($k === $key) {
$this->status = self::STATUS_INITIALIZED_PARTIAL;
}
}
}
}
return $this->status;
}
if (self::STATUS_INITIALIZED_PARTIAL === $this->status) {
return self::STATUS_INITIALIZED_PARTIAL;
}
$this->status = self::STATUS_INITIALIZED_PARTIAL;
try {
if ($defaultProperties = array_diff_key(LazyObjectRegistry::$defaultProperties[$instance::class], $this->skippedProperties)) {
PublicHydrator::hydrate($instance, $defaultProperties);
}
($this->initializer)($instance);
} catch (\Throwable $e) {
$this->status = self::STATUS_UNINITIALIZED_FULL;
$this->reset($instance);
throw $e;
}
return $this->status = self::STATUS_INITIALIZED_FULL;
}
public function reset($instance): void
{
$class = $instance::class;
$propertyScopes = Hydrator::$propertyScopes[$class] ??= Hydrator::getPropertyScopes($class);
$skippedProperties = $this->skippedProperties;
$properties = (array) $instance;
$onlyProperties = \is_array($this->initializer) ? $this->initializer : null;
foreach ($propertyScopes as $key => [$scope, $name, $readonlyScope]) {
$propertyScopes[$k = "\0$scope\0$name"] ?? $propertyScopes[$k = "\0*\0$name"] ?? $k = $name;
if ($k === $key && (null !== $readonlyScope || !\array_key_exists($k, $properties))) {
$skippedProperties[$k] = true;
}
}
foreach (LazyObjectRegistry::$classResetters[$class] as $reset) {
$reset($instance, $skippedProperties, $onlyProperties);
}
$this->status = self::STATUS_INITIALIZED_FULL === $this->status ? self::STATUS_UNINITIALIZED_FULL : self::STATUS_UNINITIALIZED_PARTIAL;
}
}
|
