|
1
|
|
|
<?php |
|
2
|
|
|
declare(strict_types = 1); |
|
3
|
|
|
|
|
4
|
|
|
namespace Innmind\Reflection\Instanciator; |
|
5
|
|
|
|
|
6
|
|
|
use Innmind\Reflection\InstanciatorInterface; |
|
7
|
|
|
use Innmind\Reflection\Exception\InstanciationFailedException; |
|
8
|
|
|
use Innmind\Immutable\CollectionInterface; |
|
9
|
|
|
use Innmind\Immutable\Collection; |
|
10
|
|
|
|
|
11
|
|
|
class ReflectionInstanciator implements InstanciatorInterface |
|
12
|
|
|
{ |
|
13
|
|
|
/** |
|
14
|
|
|
* {@inheritdoc} |
|
15
|
|
|
*/ |
|
16
|
4 |
|
public function build(string $class, CollectionInterface $properties) |
|
17
|
|
|
{ |
|
18
|
|
|
try { |
|
19
|
4 |
|
$refl = new \ReflectionClass($class); |
|
20
|
|
|
|
|
21
|
4 |
|
if (!$refl->hasMethod('__construct')) { |
|
22
|
3 |
|
return $refl->newInstance(); |
|
23
|
|
|
} |
|
24
|
|
|
|
|
25
|
3 |
|
$constructor = $refl->getMethod('__construct'); |
|
26
|
|
|
|
|
27
|
3 |
|
return $refl->newInstanceArgs( |
|
28
|
|
|
$this |
|
29
|
3 |
|
->computeArguments($constructor, $properties) |
|
30
|
3 |
|
->toPrimitive() |
|
31
|
|
|
); |
|
32
|
1 |
|
} catch (\TypeError $e) { |
|
33
|
1 |
|
throw new InstanciationFailedException( |
|
34
|
|
|
sprintf( |
|
35
|
1 |
|
'Class "%s" cannot be instanciated', |
|
36
|
|
|
$class |
|
37
|
|
|
), |
|
38
|
1 |
|
$e->getCode(), |
|
39
|
|
|
$e |
|
40
|
|
|
); |
|
41
|
|
|
} |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
/** |
|
45
|
|
|
* {@inheritdoc} |
|
46
|
|
|
*/ |
|
47
|
3 |
|
public function getParameters(string $class): CollectionInterface |
|
48
|
|
|
{ |
|
49
|
3 |
|
$refl = new \ReflectionClass($class); |
|
50
|
|
|
|
|
51
|
3 |
|
if (!$refl->hasMethod('__construct')) { |
|
52
|
3 |
|
return new Collection([]); |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
2 |
|
$refl = $refl->getMethod('__construct'); |
|
56
|
2 |
|
$parameters = []; |
|
57
|
|
|
|
|
58
|
2 |
|
foreach ($refl->getParameters() as $parameter) { |
|
59
|
2 |
|
$parameters[] = $parameter->name; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
2 |
|
return new Collection($parameters); |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
/** |
|
66
|
|
|
* @param ReflectionMethod $constructor |
|
67
|
|
|
* @param CollectionInterface $properties |
|
68
|
|
|
* |
|
69
|
|
|
* @return CollectionInterface |
|
70
|
|
|
*/ |
|
71
|
3 |
|
private function computeArguments( |
|
72
|
|
|
\ReflectionMethod $constructor, |
|
73
|
|
|
CollectionInterface $properties |
|
74
|
|
|
): CollectionInterface { |
|
75
|
3 |
|
$arguments = new Collection([]); |
|
76
|
|
|
|
|
77
|
3 |
|
foreach ($constructor->getParameters() as $parameter) { |
|
78
|
3 |
|
if ($this->canInject($parameter, $properties)) { |
|
79
|
2 |
|
$arguments = $arguments->set( |
|
80
|
2 |
|
$parameter->name, |
|
81
|
3 |
|
$properties[$parameter->name] |
|
82
|
|
|
); |
|
83
|
|
|
} |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
3 |
|
return $arguments; |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* @param ReflectionParameter $parameter |
|
91
|
|
|
* @param CollectionInterface $properties |
|
92
|
|
|
* |
|
93
|
|
|
* @return bool |
|
94
|
|
|
*/ |
|
95
|
3 |
|
private function canInject( |
|
96
|
|
|
\ReflectionParameter $parameter, |
|
97
|
|
|
CollectionInterface $properties |
|
98
|
|
|
): bool { |
|
99
|
|
|
if ( |
|
100
|
3 |
|
!$parameter->allowsNull() && |
|
101
|
3 |
|
!$properties->hasKey($parameter->name) |
|
102
|
|
|
) { |
|
103
|
1 |
|
return false; |
|
104
|
|
|
} else if ( |
|
105
|
3 |
|
$parameter->allowsNull() && |
|
106
|
3 |
|
!$properties->hasKey($parameter->name) |
|
107
|
|
|
) { |
|
108
|
2 |
|
return false; |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
2 |
|
$property = $properties[$parameter->name]; |
|
112
|
|
|
|
|
113
|
2 |
|
if ($parameter->hasType()) { |
|
114
|
1 |
|
$type = $parameter->getType(); |
|
115
|
|
|
|
|
116
|
1 |
|
if ($type->isBuiltin()) { |
|
117
|
1 |
|
return (string) $type === gettype($property); |
|
118
|
1 |
|
} else if (!is_object($property)) { |
|
119
|
|
|
return false; |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
1 |
|
$refl = new \ReflectionObject($property); |
|
123
|
1 |
|
$wishedClass = (string) $type; |
|
124
|
|
|
|
|
125
|
1 |
|
return get_class($property) === $wishedClass || |
|
126
|
1 |
|
$refl->isSubClassOf($wishedClass); |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
2 |
|
return true; |
|
130
|
|
|
} |
|
131
|
|
|
} |
|
132
|
|
|
|
Innmind /
Reflection
