<?php
declare (strict_types=1);
namespace Rector\PHPStanStaticTypeMapper\Utils;
use PHPStan\Type\CallableType;
use PHPStan\Type\Type;
use PHPStan\Type\TypeCombinator;
use PHPStan\Type\TypeWithClassName;
use PHPStan\Type\UnionType;
final class TypeUnwrapper
{
public function unwrapFirstObjectTypeFromUnionType(Type $type) : Type
{
if (!$type instanceof UnionType) {
return $type;
}
foreach ($type->getTypes() as $unionedType) {
if (!$unionedType instanceof TypeWithClassName) {
continue;
}
return $unionedType;
}
return $type;
}
public function unwrapFirstCallableTypeFromUnionType(Type $type) : ?Type
{
if (!$type instanceof UnionType) {
return $type;
}
foreach ($type->getTypes() as $unionedType) {
if (!$unionedType instanceof CallableType) {
continue;
}
return $unionedType;
}
return $type;
}
public function isIterableTypeValue(string $className, Type $type) : bool
{
if (!$type instanceof TypeWithClassName) {
return \false;
}
// get the namespace from $className
$classNamespace = $this->namespace($className);
// get the namespace from $parameterReflection
$reflectionNamespace = $this->namespace($type->getClassName());
// then match with
return $reflectionNamespace === $classNamespace && \substr_compare($type->getClassName(), '\\TValue', -\strlen('\\TValue')) === 0;
}
public function isIterableTypeKey(string $className, Type $type) : bool
{
if (!$type instanceof TypeWithClassName) {
return \false;
}
// get the namespace from $className
$classNamespace = $this->namespace($className);
// get the namespace from $parameterReflection
$reflectionNamespace = $this->namespace($type->getClassName());
// then match with
return $reflectionNamespace === $classNamespace && \substr_compare($type->getClassName(), '\\TKey', -\strlen('\\TKey')) === 0;
}
public function removeNullTypeFromUnionType(UnionType $unionType) : Type
{
return TypeCombinator::removeNull($unionType);
}
private function namespace(string $class) : string
{
return \implode('\\', \array_slice(\explode('\\', $class), 0, -1));
}
}