| 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: | private function __construct(Reflector $reflector, EnumNode $node, LocatedSource $locatedSource, ?string $namespace = null) |
| 38: | { |
| 39: | $this->reflector = $reflector; |
| 40: | parent::__construct($reflector, $node, $locatedSource, $namespace); |
| 41: | $this->backingType = $this->createBackingType($node); |
| 42: | $this->cases = $this->createCases($node); |
| 43: | } |
| 44: | |
| 45: | |
| 46: | |
| 47: | |
| 48: | |
| 49: | public static function createFromNode(Reflector $reflector, $node, LocatedSource $locatedSource, ?string $namespace = null): \PHPStan\BetterReflection\Reflection\ReflectionClass |
| 50: | { |
| 51: | $node = $node; |
| 52: | assert($node instanceof EnumNode); |
| 53: | return new self($reflector, $node, $locatedSource, $namespace); |
| 54: | } |
| 55: | |
| 56: | |
| 57: | public function hasCase(string $name): bool |
| 58: | { |
| 59: | return array_key_exists($name, $this->cases); |
| 60: | } |
| 61: | |
| 62: | |
| 63: | public function getCase(string $name): ?\PHPStan\BetterReflection\Reflection\ReflectionEnumCase |
| 64: | { |
| 65: | return $this->cases[$name] ?? null; |
| 66: | } |
| 67: | |
| 68: | |
| 69: | public function getCases(): array |
| 70: | { |
| 71: | return $this->cases; |
| 72: | } |
| 73: | |
| 74: | |
| 75: | private function createCases(EnumNode $node): array |
| 76: | { |
| 77: | $enumCasesNodes = array_filter($node->stmts, static function (Node\Stmt $stmt) : bool { |
| 78: | return $stmt instanceof Node\Stmt\EnumCase; |
| 79: | }); |
| 80: | |
| 81: | return array_combine(array_map(static function (Node\Stmt\EnumCase $enumCaseNode): string { |
| 82: | $enumCaseName = $enumCaseNode->name->toString(); |
| 83: | assert($enumCaseName !== ''); |
| 84: | |
| 85: | return $enumCaseName; |
| 86: | }, $enumCasesNodes), array_map(function (Node\Stmt\EnumCase $enumCaseNode) : ReflectionEnumCase { |
| 87: | return ReflectionEnumCase::createFromNode($this->reflector, $enumCaseNode, $this); |
| 88: | }, $enumCasesNodes)); |
| 89: | } |
| 90: | |
| 91: | public function isBacked(): bool |
| 92: | { |
| 93: | return $this->backingType !== null; |
| 94: | } |
| 95: | |
| 96: | public function getBackingType(): ReflectionNamedType |
| 97: | { |
| 98: | if ($this->backingType === null) { |
| 99: | throw new LogicException('This enum does not have a backing type available'); |
| 100: | } |
| 101: | |
| 102: | return $this->backingType; |
| 103: | } |
| 104: | |
| 105: | private function createBackingType(EnumNode $node): ?\PHPStan\BetterReflection\Reflection\ReflectionNamedType |
| 106: | { |
| 107: | if ($node->scalarType === null) { |
| 108: | return null; |
| 109: | } |
| 110: | |
| 111: | $backingType = ReflectionNamedType::createFromNode($this->reflector, $this, $node->scalarType); |
| 112: | assert($backingType instanceof ReflectionNamedType); |
| 113: | |
| 114: | return $backingType; |
| 115: | } |
| 116: | } |
| 117: | |