|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace HotRodCli; |
|
4
|
|
|
|
|
5
|
|
|
class AppContainer |
|
6
|
|
|
{ |
|
7
|
|
|
/** |
|
8
|
|
|
* All registered. |
|
9
|
|
|
* ---------------------------------------- |
|
10
|
|
|
* @var array |
|
11
|
|
|
*/ |
|
12
|
|
|
protected $registry = []; |
|
13
|
|
|
|
|
14
|
|
|
public function resolve(string $class, $args = null) |
|
15
|
|
|
{ |
|
16
|
|
|
if (array_key_exists($class, $this->registry)) { |
|
17
|
|
|
return $this->registry[$class]; |
|
18
|
|
|
} |
|
19
|
|
|
|
|
20
|
|
|
$reflector = new \ReflectionClass($class); |
|
21
|
|
|
|
|
22
|
|
|
if (!$reflector->isInstantiable()) { |
|
23
|
|
|
throw new \Exception("[$class] is not instantiable"); |
|
24
|
|
|
} |
|
25
|
|
|
|
|
26
|
|
|
$constructor = $reflector->getConstructor(); |
|
27
|
|
|
|
|
28
|
|
|
if (is_null($constructor)) { |
|
29
|
|
|
return $this->resolveWithoutConstructor($class); |
|
30
|
|
|
} |
|
31
|
|
|
|
|
32
|
|
|
if (!is_null($args)) { |
|
33
|
|
|
return $this->resolveWithSetParams($class, $args); |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
|
|
$parameters = $constructor->getParameters(); |
|
37
|
|
|
$dependencies = $this->getDependencies($parameters); |
|
38
|
|
|
|
|
39
|
|
|
$result = $reflector->newInstanceArgs($dependencies); |
|
40
|
|
|
$this->bind($class, $result); |
|
41
|
|
|
|
|
42
|
|
|
return $result; |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
protected function resolveWithoutConstructor(string $class) |
|
46
|
|
|
{ |
|
47
|
|
|
$result = new $class; |
|
48
|
|
|
$this->bind($class, $result); |
|
49
|
|
|
|
|
50
|
|
|
return $result; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
protected function resolveWithSetParams(string $class, $args) |
|
54
|
|
|
{ |
|
55
|
|
|
$reflector = new \ReflectionClass($class); |
|
56
|
|
|
$result = $reflector->newInstance($args); |
|
57
|
|
|
$this->bind($class, $result); |
|
58
|
|
|
|
|
59
|
|
|
return $result; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @param $parameters |
|
64
|
|
|
* @return array |
|
65
|
|
|
*/ |
|
66
|
|
|
public function getDependencies($parameters) |
|
67
|
|
|
{ |
|
68
|
|
|
$dependencies = []; |
|
69
|
|
|
|
|
70
|
|
|
/** @var \ReflectionParameter $parameter */ |
|
71
|
|
|
foreach ($parameters as $parameter) { |
|
72
|
|
|
$dependency = $parameter->getClass(); |
|
73
|
|
|
|
|
74
|
|
|
if (is_null($dependency)) { |
|
75
|
|
|
$dependencies[] = $this->resolveNonClass($parameter); |
|
76
|
|
|
} else { |
|
77
|
|
|
$dependencies[] = $this->resolve($dependency->name); |
|
78
|
|
|
} |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
return $dependencies; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* @param $key |
|
86
|
|
|
* @param $value |
|
87
|
|
|
* @throws \Exception |
|
88
|
|
|
*/ |
|
89
|
|
|
public function bind($key, $value) |
|
90
|
|
|
{ |
|
91
|
|
|
if (! array_key_exists($key, $this->registry)) { |
|
92
|
|
|
$this->registry[$key] = $value; |
|
93
|
|
|
} else { |
|
94
|
|
|
throw new \Exception("{$key} is already bound in the container."); |
|
95
|
|
|
} |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
/** |
|
99
|
|
|
* @param $key |
|
100
|
|
|
* @return mixed |
|
101
|
|
|
* @throws \Exception |
|
102
|
|
|
*/ |
|
103
|
|
|
public function get($key) |
|
104
|
|
|
{ |
|
105
|
|
|
if (! array_key_exists($key, $this->registry)) { |
|
106
|
|
|
throw new \Exception("No {$key} is bound in the container."); |
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
|
|
return $this->registry[$key]; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* @param \ReflectionParameter $parameter |
|
114
|
|
|
* @return mixed |
|
115
|
|
|
* @throws \Exception |
|
116
|
|
|
*/ |
|
117
|
|
|
public function resolveNonClass(\ReflectionParameter $parameter) |
|
118
|
|
|
{ |
|
119
|
|
|
if ($parameter->isDefaultValueAvailable()) { |
|
120
|
|
|
return $parameter->getDefaultValue(); |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
|
|
throw new \Exception("Cannot resolve the unknown"); |
|
124
|
|
|
} |
|
125
|
|
|
} |
|
126
|
|
|
|
dmitrijivanenko /
hotrod-cli
