|
1
|
|
|
<?php |
|
2
|
|
|
/* |
|
3
|
|
|
* Go! AOP framework |
|
4
|
|
|
* |
|
5
|
|
|
* @copyright Copyright 2012, Lisachenko Alexander <[email protected]> |
|
6
|
|
|
* |
|
7
|
|
|
* This source file is subject to the license that is bundled |
|
8
|
|
|
* with this source code in the file LICENSE. |
|
9
|
|
|
*/ |
|
10
|
|
|
|
|
11
|
|
|
namespace Go\Proxy; |
|
12
|
|
|
|
|
13
|
|
|
use Reflection; |
|
14
|
|
|
use ReflectionFunctionAbstract; |
|
15
|
|
|
use ReflectionMethod; |
|
16
|
|
|
use ReflectionParameter; |
|
17
|
|
|
|
|
18
|
|
|
/** |
|
19
|
|
|
* Abstract class for building different proxies |
|
20
|
|
|
*/ |
|
21
|
|
|
abstract class AbstractProxy |
|
22
|
|
|
{ |
|
23
|
|
|
|
|
24
|
|
|
/** |
|
25
|
|
|
* Indent for source code |
|
26
|
|
|
* |
|
27
|
|
|
* @var int |
|
28
|
|
|
*/ |
|
29
|
|
|
protected $indent = 4; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* List of advices that are used for generation of child |
|
33
|
|
|
* |
|
34
|
|
|
* @var array |
|
35
|
|
|
*/ |
|
36
|
|
|
protected $advices = []; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* PHP expression string for accessing LSB information |
|
40
|
|
|
* |
|
41
|
|
|
* @var string |
|
42
|
|
|
*/ |
|
43
|
|
|
protected static $staticLsbExpression = 'static::class'; |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Constructs an abstract proxy class |
|
47
|
|
|
* |
|
48
|
|
|
* @param array $advices List of advices |
|
49
|
|
|
*/ |
|
50
|
|
|
public function __construct(array $advices = []) |
|
51
|
|
|
{ |
|
52
|
|
|
$this->advices = $this->flattenAdvices($advices); |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
/** |
|
56
|
|
|
* Returns text representation of class |
|
57
|
|
|
* |
|
58
|
|
|
* @return string |
|
59
|
|
|
*/ |
|
60
|
|
|
abstract public function __toString(); |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* Indent block of code |
|
64
|
|
|
* |
|
65
|
|
|
* @param string $text Non-indented text |
|
66
|
|
|
* |
|
67
|
|
|
* @return string Indented text |
|
68
|
|
|
*/ |
|
69
|
|
|
protected function indent($text) |
|
70
|
|
|
{ |
|
71
|
|
|
$pad = str_pad('', $this->indent, ' '); |
|
72
|
|
|
$lines = array_map(function ($line) use ($pad) { |
|
73
|
|
|
return $pad . $line; |
|
74
|
|
|
}, explode("\n", $text)); |
|
75
|
|
|
|
|
76
|
|
|
return implode("\n", $lines); |
|
77
|
|
|
} |
|
78
|
|
|
|
|
79
|
|
|
/** |
|
80
|
|
|
* Returns list of string representation of parameters |
|
81
|
|
|
* |
|
82
|
|
|
* @param array|ReflectionParameter[] $parameters List of parameters |
|
83
|
|
|
* |
|
84
|
|
|
* @return array |
|
85
|
|
|
*/ |
|
86
|
|
|
protected function getParameters(array $parameters) |
|
87
|
|
|
{ |
|
88
|
|
|
$parameterDefinitions = []; |
|
89
|
|
|
foreach ($parameters as $parameter) { |
|
90
|
|
|
$parameterDefinitions[] = $this->getParameterCode($parameter); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
return $parameterDefinitions; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* Return string representation of parameter |
|
98
|
|
|
* |
|
99
|
|
|
* @param ReflectionParameter $parameter Reflection parameter |
|
100
|
|
|
* |
|
101
|
|
|
* @return string |
|
102
|
|
|
*/ |
|
103
|
|
|
protected function getParameterCode(ReflectionParameter $parameter) |
|
104
|
|
|
{ |
|
105
|
|
|
$type = ''; |
|
106
|
|
|
if (PHP_VERSION_ID >= 70000) { |
|
107
|
|
|
$reflectionType = $parameter->getType(); |
|
108
|
|
|
if ($reflectionType) { |
|
109
|
|
|
$nullablePrefix = (PHP_VERSION_ID >= 70100 && $reflectionType->allowsNull()) ? '?' : ''; |
|
110
|
|
|
$nsPrefix = $reflectionType->isBuiltin() ? '' : '\\'; |
|
111
|
|
|
$type = $nullablePrefix . $nsPrefix . ltrim((string) $reflectionType, '\\'); |
|
112
|
|
|
} |
|
113
|
|
|
} else { |
|
114
|
|
|
if ($parameter->isArray()) { |
|
115
|
|
|
$type = 'array'; |
|
116
|
|
|
} elseif ($parameter->isCallable()) { |
|
117
|
|
|
$type = 'callable'; |
|
118
|
|
|
} elseif ($parameter->getClass()) { |
|
119
|
|
|
$type = '\\' . ltrim($parameter->getClass()->name, '\\'); |
|
120
|
|
|
} |
|
121
|
|
|
} |
|
122
|
|
|
$defaultValue = null; |
|
123
|
|
|
$isDefaultValueAvailable = $parameter->isDefaultValueAvailable(); |
|
124
|
|
|
if ($isDefaultValueAvailable) { |
|
125
|
|
|
$defaultValue = var_export($parameter->getDefaultValue(), true); |
|
126
|
|
|
} elseif ($parameter->isOptional() && !$parameter->isVariadic()) { |
|
127
|
|
|
$defaultValue = 'null'; |
|
128
|
|
|
} |
|
129
|
|
|
$code = ( |
|
130
|
|
|
($type ? "$type " : '') . // Typehint |
|
131
|
|
|
($parameter->isPassedByReference() ? '&' : '') . // By reference sign |
|
132
|
|
|
($parameter->isVariadic() ? '...' : '') . // Variadic symbol |
|
133
|
|
|
'$' . // Variable symbol |
|
134
|
|
|
$parameter->name . // Name of the argument |
|
135
|
|
|
($defaultValue !== null ? (' = ' . $defaultValue) : '') // Default value if present |
|
136
|
|
|
); |
|
137
|
|
|
|
|
138
|
|
|
return $code; |
|
139
|
|
|
} |
|
140
|
|
|
|
|
141
|
|
|
/** |
|
142
|
|
|
* Replace concrete advices with list of ids |
|
143
|
|
|
* |
|
144
|
|
|
* @param array $advices |
|
145
|
|
|
* |
|
146
|
|
|
* @return array flatten list of advices |
|
147
|
|
|
*/ |
|
148
|
|
|
private function flattenAdvices(array $advices) |
|
149
|
|
|
{ |
|
150
|
|
|
$flattenAdvices = []; |
|
151
|
|
|
foreach ($advices as $type => $typedAdvices) { |
|
152
|
|
|
foreach ($typedAdvices as $name => $concreteAdvices) { |
|
153
|
|
|
if (is_array($concreteAdvices)) { |
|
154
|
|
|
$flattenAdvices[$type][$name] = array_keys($concreteAdvices); |
|
155
|
|
|
} |
|
156
|
|
|
} |
|
157
|
|
|
} |
|
158
|
|
|
|
|
159
|
|
|
return $flattenAdvices; |
|
160
|
|
|
} |
|
161
|
|
|
|
|
162
|
|
|
/** |
|
163
|
|
|
* Prepares a line with args from the method definition |
|
164
|
|
|
* |
|
165
|
|
|
* @param ReflectionFunctionAbstract $functionLike |
|
166
|
|
|
* |
|
167
|
|
|
* @return string |
|
168
|
|
|
*/ |
|
169
|
|
|
protected function prepareArgsLine(ReflectionFunctionAbstract $functionLike) |
|
170
|
|
|
{ |
|
171
|
|
|
$argumentsPart = []; |
|
172
|
|
|
$arguments = []; |
|
173
|
|
|
$hasOptionals = false; |
|
174
|
|
|
|
|
175
|
|
|
foreach ($functionLike->getParameters() as $parameter) { |
|
176
|
|
|
$byReference = ($parameter->isPassedByReference() && !$parameter->isVariadic()) ? '&' : ''; |
|
177
|
|
|
$hasOptionals = $hasOptionals || $parameter->isOptional(); |
|
178
|
|
|
|
|
179
|
|
|
$arguments[] = $byReference . '$' . $parameter->name; |
|
180
|
|
|
} |
|
181
|
|
|
|
|
182
|
|
|
$isVariadic = $functionLike->isVariadic(); |
|
183
|
|
|
if ($isVariadic) { |
|
184
|
|
|
$argumentsPart[] = array_pop($arguments); |
|
185
|
|
|
} |
|
186
|
|
|
if (!empty($arguments)) { |
|
187
|
|
|
// Unshifting to keep correct order |
|
188
|
|
|
$argumentLine = '[' . implode(', ', $arguments) . ']'; |
|
189
|
|
|
if ($hasOptionals) { |
|
190
|
|
|
$argumentLine = "\\array_slice($argumentLine, 0, \\func_num_args())"; |
|
191
|
|
|
} |
|
192
|
|
|
array_unshift($argumentsPart, $argumentLine); |
|
193
|
|
|
} |
|
194
|
|
|
|
|
195
|
|
|
return implode(', ', $argumentsPart); |
|
196
|
|
|
} |
|
197
|
|
|
|
|
198
|
|
|
/** |
|
199
|
|
|
* Creates a function code from Reflection |
|
200
|
|
|
* |
|
201
|
|
|
* @param ReflectionFunctionAbstract $functionLike Reflection for method |
|
202
|
|
|
* @param string $body Body of method |
|
203
|
|
|
* |
|
204
|
|
|
* @return string |
|
205
|
|
|
*/ |
|
206
|
|
|
protected function getOverriddenFunction(ReflectionFunctionAbstract $functionLike, $body) |
|
207
|
|
|
{ |
|
208
|
|
|
$reflectionReturnType = PHP_VERSION_ID >= 70000 ? $functionLike->getReturnType() : ''; |
|
209
|
|
|
$modifiersLine = ''; |
|
210
|
|
|
if ($reflectionReturnType) { |
|
211
|
|
|
$nullablePrefix = $reflectionReturnType->allowsNull() ? '?' : ''; |
|
212
|
|
|
$nsPrefix = $reflectionReturnType->isBuiltin() ? '' : '\\'; |
|
213
|
|
|
|
|
214
|
|
|
$reflectionReturnType = $nullablePrefix . $nsPrefix . ltrim((string) $reflectionReturnType, '\\'); |
|
215
|
|
|
} |
|
216
|
|
|
if ($functionLike instanceof ReflectionMethod) { |
|
217
|
|
|
$modifiersLine = implode(' ', Reflection::getModifierNames($functionLike->getModifiers())); |
|
218
|
|
|
} |
|
219
|
|
|
|
|
220
|
|
|
$code = ( |
|
221
|
|
|
preg_replace('/ {4}|\t/', '', $functionLike->getDocComment()) . "\n" . // Original Doc-block |
|
222
|
|
|
$modifiersLine . // List of modifiers (for methods) |
|
223
|
|
|
' function ' . // 'function' keyword |
|
224
|
|
|
($functionLike->returnsReference() ? '&' : '') . // By reference symbol |
|
225
|
|
|
$functionLike->name . // Name of the function |
|
226
|
|
|
'(' . // Start of parameters list |
|
227
|
|
|
implode(', ', $this->getParameters($functionLike->getParameters())) . // List of parameters |
|
228
|
|
|
')' . // End of parameters list |
|
229
|
|
|
($reflectionReturnType ? " : $reflectionReturnType" : '') . // Return type, if present |
|
230
|
|
|
"\n" . |
|
231
|
|
|
"{\n" . // Start of method body |
|
232
|
|
|
$this->indent($body) . "\n" . // Method body |
|
233
|
|
|
"}\n" // End of method body |
|
234
|
|
|
); |
|
235
|
|
|
|
|
236
|
|
|
return $code; |
|
237
|
|
|
} |
|
238
|
|
|
} |
|
239
|
|
|
|
goaop /
framework
