|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Cascader; |
|
6
|
|
|
|
|
7
|
|
|
use Cascader\Exception\InvalidClassException; |
|
8
|
|
|
use Cascader\Exception\InvalidOptionsException; |
|
9
|
|
|
use Cascader\Exception\OptionNotSetException; |
|
10
|
|
|
use ReflectionClass; |
|
11
|
|
|
use ReflectionParameter; |
|
12
|
|
|
|
|
13
|
|
|
class Cascader |
|
14
|
|
|
{ |
|
15
|
|
|
/** |
|
16
|
|
|
* @param string $className |
|
17
|
|
|
* @param array $options |
|
18
|
|
|
* |
|
19
|
|
|
* @throws InvalidClassException |
|
20
|
|
|
* @throws InvalidOptionsException |
|
21
|
|
|
* |
|
22
|
|
|
* @return object |
|
23
|
|
|
*/ |
|
24
|
10 |
|
public function create(string $className, array $options) |
|
25
|
|
|
{ |
|
26
|
10 |
|
$reflectionClass = $this->getReflectionClass($className); |
|
27
|
8 |
|
$options = Options::fromArray($options); |
|
28
|
|
|
|
|
29
|
7 |
|
$arguments = $this->marshalArguments($reflectionClass, $options); |
|
30
|
|
|
|
|
31
|
6 |
|
return new $className(...$arguments); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
10 |
|
protected function getReflectionClass(string $className) : ReflectionClass |
|
35
|
|
|
{ |
|
36
|
|
|
try { |
|
37
|
10 |
|
$reflectionClass = new ReflectionClass($className); |
|
38
|
1 |
|
} catch (\ReflectionException $ex) { |
|
39
|
1 |
|
throw InvalidClassException::forNonExistingClass($className); |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
9 |
|
if (! $reflectionClass->isInstantiable()) { |
|
43
|
1 |
|
throw InvalidClassException::forNonInstantiableClass($className); |
|
44
|
|
|
} |
|
45
|
|
|
|
|
46
|
8 |
|
return $reflectionClass; |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
7 |
|
protected function marshalArguments(ReflectionClass $reflectionClass, Options $options) : array |
|
50
|
|
|
{ |
|
51
|
7 |
|
$constructor = $reflectionClass->getConstructor(); |
|
52
|
|
|
|
|
53
|
7 |
|
if (null === $constructor) { |
|
54
|
1 |
|
return []; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
6 |
|
$arguments = []; |
|
58
|
|
|
|
|
59
|
6 |
|
$constructorParameters = $constructor->getParameters(); |
|
60
|
|
|
|
|
61
|
6 |
|
foreach ($constructorParameters as $parameter) { |
|
62
|
6 |
|
$arguments[] = $this->resolveArgument($parameter, $options); |
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
5 |
|
return $arguments; |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
6 |
|
protected function resolveArgument(ReflectionParameter $parameter, Options $options) |
|
69
|
|
|
{ |
|
70
|
|
|
try { |
|
71
|
6 |
|
$argument = $options->get($parameter->name); |
|
72
|
|
|
|
|
73
|
5 |
|
if (null !== ($parameterType = $parameter->getType())) { |
|
74
|
5 |
|
if (\is_array($argument) && ! $parameterType->isBuiltin()) { |
|
75
|
1 |
|
list($class, $arguments) = $this->resolveClass((string)$parameterType, $argument); |
|
76
|
1 |
|
$argument = $this->create($class, $arguments); |
|
77
|
|
|
} |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
5 |
|
return $argument; |
|
81
|
4 |
|
} catch (OptionNotSetException $ex) { |
|
82
|
4 |
|
if (! $parameter->isOptional()) { |
|
83
|
1 |
|
throw InvalidOptionsException::forMissingMandatoryParameter($parameter); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
3 |
|
return $parameter->getDefaultValue(); |
|
87
|
|
|
} |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
4 |
|
protected function resolveClass(string $class, array $arguments = []): array |
|
91
|
|
|
{ |
|
92
|
4 |
|
$class = $arguments['__class__'] ?? $class; |
|
93
|
4 |
|
unset($arguments['__class__']); |
|
94
|
|
|
|
|
95
|
4 |
|
return [$class, $arguments]; |
|
96
|
|
|
} |
|
97
|
|
|
} |
|
98
|
|
|
|
nikolaposa /
cascader
