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<?php
declare (strict_types=1);
namespace Rector\Php80\NodeAnalyzer;
use PHPStan\PhpDocParser\Ast\ConstExpr\ConstFetchNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\ParamTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\ReturnTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\VarTagValueNode;
use PHPStan\PhpDocParser\Ast\Type\ConstTypeNode;
use PHPStan\PhpDocParser\Ast\Type\TypeNode;
use PHPStan\Reflection\ParameterReflection;
use PHPStan\Reflection\ReflectionProvider;
use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfo;
use Rector\BetterPhpDocParser\ValueObject\PhpDocAttributeKey;
use Rector\Php80\ValueObject\ClassNameAndTagValueNode;
/**
* Detects enum-like params, e.g.
* Direction::*
*/
final class EnumParamAnalyzer
{
/**
* @readonly
* @var \PHPStan\Reflection\ReflectionProvider
*/
private $reflectionProvider;
public function __construct(ReflectionProvider $reflectionProvider)
{
$this->reflectionProvider = $reflectionProvider;
}
public function matchParameterClassName(ParameterReflection $parameterReflection, PhpDocInfo $phpDocInfo) : ?ClassNameAndTagValueNode
{
$paramTagValueNode = $phpDocInfo->getParamTagValueByName($parameterReflection->getName());
if (!$paramTagValueNode instanceof ParamTagValueNode) {
return null;
}
$className = $this->resolveClassFromConstType($paramTagValueNode->type);
if ($className === null) {
return null;
}
if (!$this->reflectionProvider->hasClass($className)) {
return null;
}
return new ClassNameAndTagValueNode($className, $paramTagValueNode);
}
public function matchReturnClassName(PhpDocInfo $phpDocInfo) : ?ClassNameAndTagValueNode
{
$returnTagValueNode = $phpDocInfo->getReturnTagValue();
if (!$returnTagValueNode instanceof ReturnTagValueNode) {
return null;
}
$className = $this->resolveClassFromConstType($returnTagValueNode->type);
if (!\is_string($className)) {
return null;
}
return new ClassNameAndTagValueNode($className, $returnTagValueNode);
}
public function matchPropertyClassName(PhpDocInfo $phpDocInfo) : ?ClassNameAndTagValueNode
{
$varTagValueNode = $phpDocInfo->getVarTagValueNode();
if (!$varTagValueNode instanceof VarTagValueNode) {
return null;
}
$className = $this->resolveClassFromConstType($varTagValueNode->type);
if (!\is_string($className)) {
return null;
}
return new ClassNameAndTagValueNode($className, $varTagValueNode);
}
private function resolveClassFromConstType(TypeNode $typeNode) : ?string
{
if (!$typeNode instanceof ConstTypeNode) {
return null;
}
if (!$typeNode->constExpr instanceof ConstFetchNode) {
return null;
}
$constExpr = $typeNode->constExpr;
return $constExpr->getAttribute(PhpDocAttributeKey::RESOLVED_CLASS);
}
}