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<?php
declare (strict_types=1);
namespace Rector\Renaming\Helper;
use PhpParser\Node;
use PhpParser\Node\Identifier;
use PhpParser\Node\Stmt\ClassLike;
use PhpParser\NodeVisitorAbstract;
use PHPStan\Reflection\ReflectionProvider;
use Rector\Core\Configuration\RenamedClassesDataCollector;
use Rector\NodeNameResolver\NodeNameResolver;
final class RenameClassCallbackHandler extends NodeVisitorAbstract
{
/**
* @var array<callable(ClassLike, NodeNameResolver, ReflectionProvider): ?string>
*/
private $oldToNewClassCallbacks = [];
/**
* @readonly
* @var \Rector\Core\Configuration\RenamedClassesDataCollector
*/
private $renamedClassesDataCollector;
/**
* @readonly
* @var \Rector\NodeNameResolver\NodeNameResolver
*/
private $nodeNameResolver;
/**
* @readonly
* @var \PHPStan\Reflection\ReflectionProvider
*/
private $reflectionProvider;
public function __construct(RenamedClassesDataCollector $renamedClassesDataCollector, NodeNameResolver $nodeNameResolver, ReflectionProvider $reflectionProvider)
{
$this->renamedClassesDataCollector = $renamedClassesDataCollector;
$this->nodeNameResolver = $nodeNameResolver;
$this->reflectionProvider = $reflectionProvider;
}
public function hasOldToNewClassCallbacks() : bool
{
return $this->oldToNewClassCallbacks !== [];
}
/**
* @param array<callable(ClassLike, NodeNameResolver, ReflectionProvider): ?string> $oldToNewClassCallbacks
*/
public function addOldToNewClassCallbacks(array $oldToNewClassCallbacks) : void
{
$item0Unpacked = $this->oldToNewClassCallbacks;
$this->oldToNewClassCallbacks = \array_merge($item0Unpacked, $oldToNewClassCallbacks);
}
/**
* @return array<string, string>
*/
public function getOldToNewClassesFromNode(Node $node) : array
{
if ($node instanceof ClassLike) {
return $this->handleClassLike($node);
}
return [];
}
/**
* @return array<string, string>
*/
private function handleClassLike(ClassLike $classLike) : array
{
$oldToNewClasses = [];
$className = $classLike->name;
if (!$className instanceof Identifier) {
return [];
}
foreach ($this->oldToNewClassCallbacks as $oldToNewClassCallback) {
$newClassName = $oldToNewClassCallback($classLike, $this->nodeNameResolver, $this->reflectionProvider);
if ($newClassName !== null) {
$fullyQualifiedClassName = (string) $this->nodeNameResolver->getName($classLike);
$this->renamedClassesDataCollector->addOldToNewClass($fullyQualifiedClassName, $newClassName);
$oldToNewClasses[$fullyQualifiedClassName] = $newClassName;
}
}
return $oldToNewClasses;
}
}