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HasOffsetType.php
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HasOffsetType.php
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<?php declare(strict_types = 1);
namespace PHPStan\Type\Accessory;
use PHPStan\TrinaryLogic;
use PHPStan\Type\CompoundType;
use PHPStan\Type\ConstantScalarType;
use PHPStan\Type\ErrorType;
use PHPStan\Type\IntersectionType;
use PHPStan\Type\MixedType;
use PHPStan\Type\Traits\MaybeCallableTypeTrait;
use PHPStan\Type\Traits\MaybeIterableTypeTrait;
use PHPStan\Type\Traits\MaybeObjectTypeTrait;
use PHPStan\Type\Traits\NonGenericTypeTrait;
use PHPStan\Type\Traits\NonRemoveableTypeTrait;
use PHPStan\Type\Traits\TruthyBooleanTypeTrait;
use PHPStan\Type\Traits\UndecidedComparisonCompoundTypeTrait;
use PHPStan\Type\Type;
use PHPStan\Type\UnionType;
use PHPStan\Type\VerbosityLevel;
use function sprintf;
class HasOffsetType implements CompoundType, AccessoryType
{
use MaybeCallableTypeTrait;
use MaybeIterableTypeTrait;
use MaybeObjectTypeTrait;
use TruthyBooleanTypeTrait;
use NonGenericTypeTrait;
use UndecidedComparisonCompoundTypeTrait;
use NonRemoveableTypeTrait;
/** @api */
public function __construct(private Type $offsetType)
{
}
public function getOffsetType(): Type
{
return $this->offsetType;
}
public function getReferencedClasses(): array
{
return [];
}
public function accepts(Type $type, bool $strictTypes): TrinaryLogic
{
if ($type instanceof CompoundType) {
return $type->isAcceptedBy($this, $strictTypes);
}
return $type->isOffsetAccessible()
->and($type->hasOffsetValueType($this->offsetType));
}
public function isSuperTypeOf(Type $type): TrinaryLogic
{
if ($this->equals($type)) {
return TrinaryLogic::createYes();
}
return $type->isOffsetAccessible()
->and($type->hasOffsetValueType($this->offsetType));
}
public function isSubTypeOf(Type $otherType): TrinaryLogic
{
if ($otherType instanceof UnionType || $otherType instanceof IntersectionType) {
return $otherType->isSuperTypeOf($this);
}
return $otherType->isOffsetAccessible()
->and($otherType->hasOffsetValueType($this->offsetType))
->and($otherType instanceof self ? TrinaryLogic::createYes() : TrinaryLogic::createMaybe());
}
public function isAcceptedBy(Type $acceptingType, bool $strictTypes): TrinaryLogic
{
return $this->isSubTypeOf($acceptingType);
}
public function equals(Type $type): bool
{
return $type instanceof self
&& $this->offsetType->equals($type->offsetType);
}
public function describe(VerbosityLevel $level): string
{
return sprintf('hasOffset(%s)', $this->offsetType->describe($level));
}
public function isOffsetAccessible(): TrinaryLogic
{
return TrinaryLogic::createYes();
}
public function hasOffsetValueType(Type $offsetType): TrinaryLogic
{
if ($offsetType instanceof ConstantScalarType && $offsetType->equals($this->offsetType)) {
return TrinaryLogic::createYes();
}
return TrinaryLogic::createMaybe();
}
public function getOffsetValueType(Type $offsetType): Type
{
return new MixedType();
}
public function setOffsetValueType(?Type $offsetType, Type $valueType, bool $unionValues = true): Type
{
return $this;
}
public function unsetOffset(Type $offsetType): Type
{
if ($this->offsetType->isSuperTypeOf($offsetType)->yes()) {
return new ErrorType();
}
return $this;
}
public function isIterableAtLeastOnce(): TrinaryLogic
{
return TrinaryLogic::createYes();
}
public function isArray(): TrinaryLogic
{
return TrinaryLogic::createMaybe();
}
public function isString(): TrinaryLogic
{
return TrinaryLogic::createMaybe();
}
public function isNumericString(): TrinaryLogic
{
return TrinaryLogic::createMaybe();
}
public function isNonEmptyString(): TrinaryLogic
{
return TrinaryLogic::createMaybe();
}
public function isLiteralString(): TrinaryLogic
{
return TrinaryLogic::createMaybe();
}
public function toNumber(): Type
{
return new ErrorType();
}
public function toInteger(): Type
{
return new ErrorType();
}
public function toFloat(): Type
{
return new ErrorType();
}
public function toString(): Type
{
return new ErrorType();
}
public function toArray(): Type
{
return new MixedType();
}
public function traverse(callable $cb): Type
{
return $this;
}
public static function __set_state(array $properties): Type
{
return new self($properties['offsetType']);
}
}