1: | <?php |
2: | |
3: | declare(strict_types=1); |
4: | |
5: | namespace PHPStan\BetterReflection\Reflection; |
6: | |
7: | use LogicException; |
8: | use PhpParser\Node; |
9: | use PhpParser\Node\Stmt\Class_ as ClassNode; |
10: | use PhpParser\Node\Stmt\Enum_ as EnumNode; |
11: | use PhpParser\Node\Stmt\Interface_ as InterfaceNode; |
12: | use PhpParser\Node\Stmt\Trait_ as TraitNode; |
13: | use PHPStan\BetterReflection\Reflector\Reflector; |
14: | use PHPStan\BetterReflection\SourceLocator\Located\LocatedSource; |
15: | |
16: | use function array_combine; |
17: | use function array_filter; |
18: | use function array_key_exists; |
19: | use function array_map; |
20: | use function assert; |
21: | |
22: | |
23: | class ReflectionEnum extends ReflectionClass |
24: | { |
25: | |
26: | |
27: | |
28: | private $backingType; |
29: | |
30: | |
31: | private $cases; |
32: | |
33: | |
34: | |
35: | private $reflector; |
36: | |
37: | |
38: | |
39: | |
40: | |
41: | private function __construct(Reflector $reflector, EnumNode $node, LocatedSource $locatedSource, ?string $namespace = null) |
42: | { |
43: | $this->reflector = $reflector; |
44: | parent::__construct($reflector, $node, $locatedSource, $namespace); |
45: | $this->backingType = $this->createBackingType($node); |
46: | $this->cases = $this->createCases($node); |
47: | } |
48: | |
49: | |
50: | |
51: | |
52: | |
53: | |
54: | |
55: | |
56: | |
57: | public static function createFromNode(Reflector $reflector, $node, LocatedSource $locatedSource, ?string $namespace = null): \PHPStan\BetterReflection\Reflection\ReflectionClass |
58: | { |
59: | $node = $node; |
60: | assert($node instanceof EnumNode); |
61: | return new self($reflector, $node, $locatedSource, $namespace); |
62: | } |
63: | |
64: | |
65: | public function hasCase(string $name): bool |
66: | { |
67: | return array_key_exists($name, $this->cases); |
68: | } |
69: | |
70: | |
71: | public function getCase(string $name): ?\PHPStan\BetterReflection\Reflection\ReflectionEnumCase |
72: | { |
73: | return $this->cases[$name] ?? null; |
74: | } |
75: | |
76: | |
77: | public function getCases(): array |
78: | { |
79: | return $this->cases; |
80: | } |
81: | |
82: | |
83: | private function createCases(EnumNode $node): array |
84: | { |
85: | $enumCasesNodes = array_filter($node->stmts, static function (Node\Stmt $stmt) : bool { |
86: | return $stmt instanceof Node\Stmt\EnumCase; |
87: | }); |
88: | |
89: | return array_combine(array_map(static function (Node\Stmt\EnumCase $enumCaseNode): string { |
90: | $enumCaseName = $enumCaseNode->name->toString(); |
91: | assert($enumCaseName !== ''); |
92: | |
93: | return $enumCaseName; |
94: | }, $enumCasesNodes), array_map(function (Node\Stmt\EnumCase $enumCaseNode) : ReflectionEnumCase { |
95: | return ReflectionEnumCase::createFromNode($this->reflector, $enumCaseNode, $this); |
96: | }, $enumCasesNodes)); |
97: | } |
98: | |
99: | public function isBacked(): bool |
100: | { |
101: | return $this->backingType !== null; |
102: | } |
103: | |
104: | public function getBackingType(): ReflectionNamedType |
105: | { |
106: | if ($this->backingType === null) { |
107: | throw new LogicException('This enum does not have a backing type available'); |
108: | } |
109: | |
110: | return $this->backingType; |
111: | } |
112: | |
113: | private function createBackingType(EnumNode $node): ?\PHPStan\BetterReflection\Reflection\ReflectionNamedType |
114: | { |
115: | if ($node->scalarType === null) { |
116: | return null; |
117: | } |
118: | |
119: | $backingType = ReflectionNamedType::createFromNode($this->reflector, $this, $node->scalarType); |
120: | assert($backingType instanceof ReflectionNamedType); |
121: | |
122: | return $backingType; |
123: | } |
124: | } |
125: | |