|
1
|
|
|
<?php declare(strict_types=1); |
|
2
|
|
|
|
|
3
|
|
|
namespace jschreuder\MiddleDi; |
|
4
|
|
|
|
|
5
|
|
|
use ReflectionClass; |
|
6
|
|
|
use ReflectionMethod; |
|
7
|
|
|
use ReflectionNamedType; |
|
8
|
|
|
use RuntimeException; |
|
9
|
|
|
|
|
10
|
|
|
final class DiCompiler implements DiCompilerInterface |
|
11
|
|
|
{ |
|
12
|
|
|
const COMPILED_EXTENSION = '__Compiled'; |
|
13
|
|
|
|
|
14
|
|
|
private string $parentDi; |
|
15
|
|
|
|
|
16
|
17 |
|
public function __construct(string $parentDi) |
|
17
|
|
|
{ |
|
18
|
17 |
|
$this->parentDi = $parentDi; |
|
19
|
|
|
} |
|
20
|
|
|
|
|
21
|
15 |
|
private function getCompiledName(): string |
|
22
|
|
|
{ |
|
23
|
15 |
|
return $this->parentDi . self::COMPILED_EXTENSION; |
|
24
|
|
|
} |
|
25
|
|
|
|
|
26
|
15 |
|
public function compiledClassExists(): bool |
|
27
|
|
|
{ |
|
28
|
15 |
|
return class_exists($this->getCompiledName()); |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
14 |
|
public function compile(): static |
|
32
|
|
|
{ |
|
33
|
14 |
|
if ($this->compiledClassExists()) { |
|
34
|
1 |
|
throw new \RuntimeException('Cannot recompile already compiled container'); |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
14 |
|
eval(substr($this->generateCode(), 31)); |
|
|
|
|
|
|
38
|
|
|
|
|
39
|
9 |
|
return $this; |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
15 |
|
public function generateCode(): string |
|
43
|
|
|
{ |
|
44
|
15 |
|
$parent = new ReflectionClass($this->parentDi); |
|
45
|
|
|
|
|
46
|
15 |
|
$code = $this->generateHeader($parent); |
|
47
|
|
|
|
|
48
|
15 |
|
$methods = $parent->getMethods(); |
|
49
|
15 |
|
foreach ($methods as $method) { |
|
50
|
15 |
|
$code .= $this->processMethod($method); |
|
51
|
|
|
} |
|
52
|
10 |
|
return $code . $this->generateFooter(); |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
15 |
|
private function generateHeader(ReflectionClass $parent) |
|
56
|
|
|
{ |
|
57
|
15 |
|
$code = '<?php declare(strict_types=1); |
|
58
|
15 |
|
'; |
|
59
|
|
|
|
|
60
|
15 |
|
if ($parent->getNamespaceName()) { |
|
61
|
14 |
|
$code .= 'namespace ' . $parent->getNamespaceName() . '; |
|
62
|
|
|
|
|
63
|
14 |
|
use ' . $parent->getName() . '; |
|
64
|
14 |
|
'; |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
15 |
|
$code .= ' |
|
68
|
15 |
|
class ' . $parent->getShortName() . self::COMPILED_EXTENSION . ' extends ' . $parent->getShortName() . ' |
|
69
|
|
|
{ |
|
70
|
|
|
private array $__services = []; |
|
71
|
|
|
|
|
72
|
|
|
private function __service(string $method, ?string $instanceName = null) |
|
73
|
|
|
{ |
|
74
|
|
|
$suffix = is_null($instanceName) ? \'\' : \'.\' . $instanceName; |
|
75
|
|
|
return $this->__services[$method . $suffix] ?? ($this->__services[$method . $suffix] = parent::{$method}($instanceName)); |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
15 |
|
'; |
|
79
|
|
|
|
|
80
|
15 |
|
return $code; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
15 |
|
public function processMethod(ReflectionMethod $method): string |
|
84
|
|
|
{ |
|
85
|
|
|
// Decide if the method needs to be overloaded |
|
86
|
15 |
|
if (substr($method->getName(), 0, 3) !== 'get') { |
|
87
|
10 |
|
return ''; |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
// Run validations |
|
91
|
15 |
|
$this->validateServiceDefinitionReturnType($method); |
|
92
|
12 |
|
$this->validateServiceDefinitionParameters($method); |
|
93
|
|
|
|
|
94
|
|
|
// Generate method-overload code |
|
95
|
10 |
|
return ' |
|
96
|
10 |
|
public function ' . $method->getName() . '(?string $instanceName = null): \\' . $method->getReturnType()->getName() . ' |
|
|
|
|
|
|
97
|
|
|
{ |
|
98
|
10 |
|
return $this->__service(\'' . $method->getName() . '\', $instanceName); |
|
99
|
|
|
} |
|
100
|
10 |
|
'; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
15 |
|
private function validateServiceDefinitionReturnType(ReflectionMethod $method): void |
|
104
|
|
|
{ |
|
105
|
|
|
// It must have a return type, and the return type must only define a single class or interface |
|
106
|
15 |
|
if (!$method->hasReturnType()) { |
|
107
|
1 |
|
throw new RuntimeException('Service definitions must have return types'); |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
14 |
|
$returnType = $method->getReturnType(); |
|
111
|
14 |
|
if (!$returnType instanceof ReflectionNamedType) { |
|
112
|
1 |
|
throw new RuntimeException('Service definitions must define only a single class or interface returntype'); |
|
113
|
|
|
} |
|
114
|
13 |
|
if ($returnType->isBuiltin()) { |
|
115
|
1 |
|
throw new RuntimeException('Service definitions must return objects'); |
|
116
|
|
|
} |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
12 |
|
private function validateServiceDefinitionParameters(ReflectionMethod $method): void |
|
120
|
|
|
{ |
|
121
|
12 |
|
if ($method->getNumberOfParameters() > 1) { |
|
122
|
1 |
|
throw new RuntimeException('Service definitions cannot take more than a name parameter'); |
|
123
|
|
|
} |
|
124
|
11 |
|
if ($method->getNumberOfParameters() === 1) { |
|
125
|
11 |
|
$parameter = $method->getParameters()[0]; |
|
126
|
|
|
|
|
127
|
11 |
|
if (!is_a($parameter->getType(), ReflectionNamedType::class) || $parameter->getType()->getName() !== 'string') { |
|
128
|
1 |
|
throw new \RuntimeException('Service definitions are only allowed a single named nullable string argument.'); |
|
129
|
|
|
} |
|
130
|
|
|
} |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
10 |
|
private function generateFooter(): string |
|
134
|
|
|
{ |
|
135
|
10 |
|
return PHP_EOL . '}' . PHP_EOL; |
|
136
|
|
|
} |
|
137
|
|
|
|
|
138
|
7 |
|
public function newInstance(array ...$args): mixed |
|
139
|
|
|
{ |
|
140
|
7 |
|
$reflectedClass = new ReflectionClass($this->getCompiledName()); |
|
141
|
7 |
|
return $reflectedClass->newInstance(...$args); |
|
142
|
|
|
} |
|
143
|
|
|
} |
|
144
|
|
|
|
jschreuder /
Middle-DI
Loading history...