|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* Phoole (PHP7.2+) |
|
5
|
|
|
* |
|
6
|
|
|
* @category Library |
|
7
|
|
|
* @package Phoole\Di |
|
8
|
|
|
* @copyright Copyright (c) 2019 Hong Zhang |
|
9
|
|
|
*/ |
|
10
|
|
|
declare(strict_types=1); |
|
11
|
|
|
|
|
12
|
|
|
namespace Phoole\Di; |
|
13
|
|
|
|
|
14
|
|
|
use Phoole\Config\Config; |
|
15
|
|
|
use Phoole\Di\Util\ContainerTrait; |
|
16
|
|
|
use Phoole\Di\Util\StaticAccessTrait; |
|
17
|
|
|
use Psr\Container\ContainerInterface; |
|
18
|
|
|
use Phoole\Config\ConfigAwareInterface; |
|
19
|
|
|
use Phoole\Di\Exception\LogicException; |
|
20
|
|
|
use Phoole\Di\Exception\NotFoundException; |
|
21
|
|
|
use Phoole\Base\Reference\ReferenceInterface; |
|
22
|
|
|
use Phoole\Di\Exception\UnresolvedClassException; |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* Dependency Injection |
|
26
|
|
|
* |
|
27
|
|
|
* @package Phoole\Di |
|
28
|
|
|
*/ |
|
29
|
|
|
class Container implements ContainerInterface, ReferenceInterface, ConfigAwareInterface |
|
30
|
|
|
{ |
|
31
|
|
|
use ContainerTrait; |
|
32
|
|
|
use StaticAccessTrait; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* Constructor |
|
36
|
|
|
* |
|
37
|
|
|
* $config for config & reference lookup |
|
38
|
|
|
* $delegator for object lookup. If NULL will use $this |
|
39
|
|
|
* |
|
40
|
|
|
* @param Config $config |
|
41
|
|
|
* @param ContainerInterface $delegator |
|
42
|
|
|
*/ |
|
43
|
|
|
public function __construct( |
|
44
|
|
|
Config $config, |
|
45
|
|
|
?ContainerInterface $delegator = NULL |
|
46
|
|
|
) { |
|
47
|
|
|
$this->setConfig($config); |
|
48
|
|
|
$this->setDelegator($delegator); |
|
49
|
|
|
|
|
50
|
|
|
// for static access |
|
51
|
|
|
self::setContainer($this); |
|
52
|
|
|
|
|
53
|
|
|
// create all objects now |
|
54
|
|
|
$this->initContainer(); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* |
|
59
|
|
|
* ```php |
|
60
|
|
|
* // get the cache object |
|
61
|
|
|
* $cache = $container->get('cache'); |
|
62
|
|
|
* |
|
63
|
|
|
* // always get a NEW cache object |
|
64
|
|
|
* $cacheNew = $container->get('cache@'); |
|
65
|
|
|
* |
|
66
|
|
|
* // get an object shared in SESSION scope |
|
67
|
|
|
* $sessCache = $container->get('cache@SESSION'); |
|
68
|
|
|
* |
|
69
|
|
|
* // get object (created already by definition) by classname/interface name |
|
70
|
|
|
* // useful for dependency injection |
|
71
|
|
|
* $cache = $container->get(CacheInterface::class); |
|
72
|
|
|
* |
|
73
|
|
|
* // get a NEW object by classname |
|
74
|
|
|
* // useful for creating object and utilize 'di.before' & 'di.after' |
|
75
|
|
|
* $obj = $container->get(myClass::class); |
|
76
|
|
|
* ``` |
|
77
|
|
|
* |
|
78
|
|
|
* {@inheritDoc} |
|
79
|
|
|
*/ |
|
80
|
|
|
public function get($id): object |
|
81
|
|
|
{ |
|
82
|
|
|
// check definition |
|
83
|
|
|
if ($this->hasDefinition($id)) { |
|
84
|
|
|
return $this->getInstance($id); |
|
85
|
|
|
} |
|
86
|
|
|
// check classmap |
|
87
|
|
|
if (is_object($object = $this->matchClass($id))) { |
|
88
|
|
|
return $object; |
|
89
|
|
|
} |
|
90
|
|
|
throw new NotFoundException("Object '$id' not found"); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* {@inheritDoc} |
|
95
|
|
|
*/ |
|
96
|
|
|
public function has($id): bool |
|
97
|
|
|
{ |
|
98
|
|
|
return $this->hasDefinition($id) || NULL !== $this->hasClass($id); |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Reload & resolve all service definitions |
|
103
|
|
|
* |
|
104
|
|
|
* @return void |
|
105
|
|
|
*/ |
|
106
|
|
|
protected function initContainer(): void |
|
107
|
|
|
{ |
|
108
|
|
|
// set object reference pattern |
|
109
|
|
|
$this->setReferencePattern('${#', '}'); |
|
110
|
|
|
|
|
111
|
|
|
// predefine couple of ids |
|
112
|
|
|
$tree = $this->getConfig()->getTree(); |
|
113
|
|
|
$tree->add($this->getRawId('config'), $this->getConfig()); |
|
114
|
|
|
$tree->add($this->getRawId('container'), $this->delegator); |
|
115
|
|
|
|
|
116
|
|
|
// resolve all services |
|
117
|
|
|
$this->autoResolve(); |
|
118
|
|
|
|
|
119
|
|
|
// resolve all object reference in the config |
|
120
|
|
|
$settings = &$tree->get(''); |
|
121
|
|
|
$this->deReference($settings); |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
|
|
/** |
|
125
|
|
|
* Resolve defined ids |
|
126
|
|
|
* |
|
127
|
|
|
* @param array $ids |
|
128
|
|
|
* @param bool $autoClass |
|
129
|
|
|
* @return void |
|
130
|
|
|
*/ |
|
131
|
|
|
protected function resolveAllIds(array &$ids, bool $autoClass = FALSE): void |
|
132
|
|
|
{ |
|
133
|
|
|
$this->autoLoad = $autoClass; |
|
134
|
|
|
$max = count($ids) * 3; |
|
135
|
|
|
$cnt = 0; |
|
136
|
|
|
while ($id = array_shift($ids)) { |
|
137
|
|
|
if ($cnt++ > $max) { |
|
138
|
|
|
$ids[] = $id; |
|
139
|
|
|
break; |
|
140
|
|
|
} |
|
141
|
|
|
try { |
|
142
|
|
|
$this->get($id); |
|
143
|
|
|
} catch (UnresolvedClassException $e) { |
|
144
|
|
|
$ids[] = $id; |
|
145
|
|
|
} |
|
146
|
|
|
} |
|
147
|
|
|
$this->autoLoad = FALSE; |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
|
|
protected function autoResolve(): void |
|
151
|
|
|
{ |
|
152
|
|
|
// get all ids of the defined services |
|
153
|
|
|
$ids = array_keys($this->getConfig()->get($this->prefix . 'service')); |
|
154
|
|
|
|
|
155
|
|
|
// resolve in service definition only |
|
156
|
|
|
if (!empty($ids)) { |
|
157
|
|
|
$this->resolveAllIds($ids); |
|
158
|
|
|
} |
|
159
|
|
|
|
|
160
|
|
|
// try autoload class |
|
161
|
|
|
if (!empty($ids)) { |
|
162
|
|
|
$this->resolveAllIds($ids, TRUE); |
|
163
|
|
|
} |
|
164
|
|
|
|
|
165
|
|
|
// error |
|
166
|
|
|
if (!empty($ids)) { |
|
167
|
|
|
throw new LogicException("Container error for ID " . $ids[0]); |
|
168
|
|
|
} |
|
169
|
|
|
} |
|
170
|
|
|
} |
phoole /
di
