1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Mpyw\Privator; |
4
|
|
|
|
5
|
|
|
class Proxy |
6
|
|
|
{ |
7
|
|
|
/** |
8
|
|
|
* Create anonymous proxy class of your class. |
9
|
|
|
* |
10
|
|
|
* @param string $classname |
11
|
|
|
* @return mixed |
12
|
|
|
*/ |
13
|
|
|
public static function get(string $classname) |
14
|
27 |
|
{ |
15
|
|
|
return new class($classname) implements ClassProxyInterface { |
16
|
|
|
private static $rc; |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* @param string $classname |
20
|
|
|
*/ |
21
|
|
|
public function __construct(string $classname) |
22
|
27 |
|
{ |
23
|
27 |
|
self::$rc = new \ReflectionClass($classname); |
24
|
|
|
} |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* Call static method of your class. |
28
|
|
|
* |
29
|
|
|
* @param string $name |
30
|
|
|
* @param array $args |
31
|
|
|
* @return mixed |
32
|
|
|
*/ |
33
|
6 |
|
public static function __callStatic(string $name, array $args) |
34
|
6 |
|
{ |
35
|
2 |
|
$rc = self::$rc; |
36
|
2 |
|
if (\method_exists($rc->name, $name)) { |
37
|
1 |
|
$rm = $rc->getMethod($name); |
38
|
|
|
if (!$rm->isStatic()) { |
39
|
1 |
|
throw new ProxyException( |
40
|
|
|
"Non-static method called statically: " . |
41
|
1 |
|
"$rc->name::$name()" |
42
|
1 |
|
); |
43
|
|
|
} |
44
|
4 |
|
$rm->setAccessible(true); |
45
|
4 |
|
return $rm->invokeArgs(null, $args); |
46
|
|
|
} |
47
|
|
|
if (\method_exists($rc->name, '__callStatic')) { |
48
|
|
|
return $rc->name::$name(...$args); |
49
|
|
|
} |
50
|
|
|
throw new ProxyException( |
51
|
|
|
"Call to undefined method: $rc->name::$name()" |
52
|
|
|
); |
53
|
6 |
|
} |
54
|
6 |
|
|
55
|
4 |
|
private static function getStaticReflectionProperty(string $name) : \ReflectionProperty |
56
|
4 |
|
{ |
57
|
2 |
|
$rc = self::$rc; |
58
|
|
|
if (\property_exists($rc->name, $name)) { |
59
|
2 |
|
$rp = $rc->getProperty($name); |
60
|
|
|
if (!$rp->isStatic()) { |
61
|
2 |
|
throw new ProxyException( |
62
|
2 |
|
"Access to undeclared static property: " . |
63
|
|
|
"$rc->name::\$$name" |
64
|
2 |
|
); |
65
|
|
|
} |
66
|
2 |
|
$rp->setAccessible(true); |
67
|
|
|
return $rp; |
68
|
|
|
} |
69
|
|
|
throw new ProxyException( |
70
|
|
|
"Access to undeclared static property: " . |
71
|
|
|
"$rc->name::\$$name" |
72
|
|
|
); |
73
|
|
|
} |
74
|
|
|
|
75
|
|
|
/** |
76
|
|
|
* Get static property of your class. |
77
|
|
|
* If you want to call your own "static function getStatic()": |
78
|
4 |
|
* $proxy->__callStatic('getStatic', $args) |
79
|
|
|
* |
80
|
|
|
* @param string $name |
81
|
|
|
* @return mixed |
82
|
|
|
*/ |
83
|
|
|
public static function getStatic(string $name) |
84
|
|
|
{ |
85
|
|
|
return self::getStaticReflectionProperty($name)->getValue(); |
86
|
|
|
} |
87
|
|
|
|
88
|
|
|
/** |
89
|
|
|
* Set static property of your class. |
90
|
3 |
|
* If you want to call your own "static function setStatic()": |
91
|
1 |
|
* $proxy->__callStatic('setStatic', $args) |
92
|
|
|
* |
93
|
|
|
* @param string $name |
94
|
|
|
* @param mixed $value |
95
|
|
|
*/ |
96
|
|
|
public static function setStatic(string $name, $value) |
97
|
|
|
{ |
98
|
|
|
self::getStaticReflectionProperty($name)->setValue($name, $value); |
99
|
|
|
} |
100
|
|
|
|
101
|
|
|
/** |
102
|
1 |
|
* Create anonymous proxy object of your class. |
103
|
|
|
* If you want to call your own "static function new()": |
104
|
|
|
* $proxy->__callStatic('new', $args) |
105
|
|
|
* |
106
|
|
|
* @param mixed ...$args |
107
|
|
|
* @return mixed|InstanceProxyInterface |
108
|
|
|
*/ |
109
|
|
|
public static function new(...$args) |
110
|
|
|
{ |
111
|
|
|
return self::newInstance($args); |
112
|
|
|
} |
113
|
14 |
|
|
114
|
|
|
/** |
115
|
|
|
* Create anonymous proxy object of your class without constructor. |
116
|
|
|
* If you want to call your own "static function newWithoutConstructor()": |
117
|
|
|
* $proxy->__callStatic('newWithoutConstructor', $args) |
118
|
|
|
* |
119
|
|
|
* @return mixed|InstanceProxyInterface |
120
|
|
|
*/ |
121
|
|
|
public static function newWithoutConstructor() |
122
|
|
|
{ |
123
|
15 |
|
return self::newInstance(); |
124
|
|
|
} |
125
|
15 |
|
|
126
|
15 |
|
private static function newInstance(array $args = null) |
127
|
1 |
|
{ |
128
|
1 |
|
return new class(self::$rc, $args) implements InstanceProxyInterface { |
129
|
|
|
private $ro; |
130
|
14 |
|
private $ins; |
131
|
14 |
|
|
132
|
|
|
public function __construct(\ReflectionClass $rc, array $args = null) |
133
|
|
|
{ |
134
|
|
|
$this->ins = $rc->newInstanceWithoutConstructor(); |
135
|
|
|
if ($args !== null && $con = $rc->getConstructor()) { |
136
|
|
|
$con->setAccessible(true); |
137
|
|
|
$con->invokeArgs($this->ins, $args); |
138
|
|
|
} |
139
|
9 |
|
$this->ro = new \ReflectionObject($this->ins); |
140
|
|
|
} |
141
|
9 |
|
|
142
|
3 |
|
/** |
143
|
3 |
|
* Call instance method of your class. |
144
|
3 |
|
* |
145
|
|
|
* @param string $name |
146
|
6 |
|
* @param array $args |
147
|
4 |
|
* @return mixed |
148
|
|
|
*/ |
149
|
2 |
|
public function __call(string $name, array $args) |
150
|
|
|
{ |
151
|
2 |
|
if (\method_exists($this->ro->name, $name)) { |
152
|
|
|
$rm = $this->ro->getMethod($name); |
153
|
|
|
$rm->setAccessible(true); |
154
|
8 |
|
return $rm->invokeArgs($this->ins, $args); |
155
|
|
|
} |
156
|
8 |
|
if (\method_exists($this->ro->name, '__call')) { |
157
|
6 |
|
return $this->ins->$name(...$args); |
158
|
6 |
|
} |
159
|
6 |
|
throw new ProxyException( |
160
|
|
|
"Call to undefined method: " . |
161
|
3 |
|
"{$this->ro->name}::$name()" |
162
|
3 |
|
); |
163
|
|
|
} |
164
|
|
|
|
165
|
|
|
private function getReflectionProperty(string $name) |
166
|
|
|
{ |
167
|
|
|
if (\property_exists($this->ins, $name)) { |
168
|
|
|
$rp = $this->ro->getProperty($name); |
169
|
|
|
$rp->setAccessible(true); |
170
|
8 |
|
return $rp; |
171
|
|
|
} |
172
|
|
|
throw new ProxyException( |
173
|
8 |
|
"Undefined property: {$this->ro->name}::\$$name" |
174
|
6 |
|
); |
175
|
2 |
|
} |
176
|
|
|
|
177
|
2 |
|
/** |
178
|
1 |
|
* Get property of your object. |
179
|
1 |
|
* |
180
|
|
|
* @param string $name |
181
|
|
|
* @return mixed |
182
|
|
|
*/ |
183
|
|
|
public function __get(string $name) |
184
|
|
|
{ |
185
|
|
|
try { |
186
|
|
|
return $this->getReflectionProperty($name) |
187
|
|
|
->getValue($this->ins); |
188
|
|
|
} catch (ProxyException $e) { |
189
|
4 |
|
try { |
190
|
|
|
return $this->__call('__get', [$name]); |
191
|
|
|
} catch (ProxyException $_) { |
192
|
4 |
|
throw $e; |
193
|
2 |
|
} |
194
|
2 |
|
} |
195
|
|
|
} |
196
|
2 |
|
|
197
|
1 |
|
/** |
198
|
1 |
|
* Set property of your object. |
199
|
|
|
* |
200
|
1 |
|
* @param string $name |
201
|
|
|
* @param mixed $value |
202
|
|
|
*/ |
203
|
|
|
public function __set(string $name, $value) |
204
|
1 |
|
{ |
205
|
|
|
try { |
206
|
|
|
$property = $this->getReflectionProperty($name); |
207
|
|
|
$property->setValue($this->ins, $value); |
208
|
3 |
|
} catch (ProxyException $e) { |
209
|
|
|
try { |
210
|
|
|
$this->__call('__set', [$name, $value]); |
211
|
|
|
return; |
212
|
|
|
} catch (ProxyException $_) { |
|
|
|
|
213
|
|
|
} // If __set() is undefined, |
214
|
|
|
// fallback to the actual property. |
215
|
|
|
if (isset($property)) { |
216
|
|
|
throw $e; // Static property exists, |
217
|
|
|
// so you cannot create a new field. |
218
|
|
|
} else { |
219
|
|
|
$this->ins->$name = $value; // Property does not exists |
220
|
|
|
// so you can create a new field. |
221
|
|
|
} |
222
|
|
|
} |
223
|
|
|
} |
224
|
|
|
}; |
225
|
|
|
} |
226
|
|
|
}; |
227
|
|
|
} |
228
|
|
|
} |
229
|
|
|
|