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<?php declare (strict_types=1); namespace Rector\Privatization\Rector\Property; use PhpParser\Node; use PhpParser\Node\Stmt\Class_; use PhpParser\Node\Stmt\Property; use Rector\Core\Rector\AbstractRector; use Rector\Privatization\Guard\ParentPropertyLookupGuard; use Rector\Privatization\NodeManipulator\VisibilityManipulator; use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample; use Symplify\RuleDocGenerator\ValueObject\RuleDefinition; /** * @see \Rector\Tests\Privatization\Rector\Property\PrivatizeFinalClassPropertyRector\PrivatizeFinalClassPropertyRectorTest */ final class PrivatizeFinalClassPropertyRector extends AbstractRector { /** * @readonly * @var \Rector\Privatization\NodeManipulator\VisibilityManipulator */ private $visibilityManipulator; /** * @readonly * @var \Rector\Privatization\Guard\ParentPropertyLookupGuard */ private $parentPropertyLookupGuard; public function __construct(VisibilityManipulator $visibilityManipulator, ParentPropertyLookupGuard $parentPropertyLookupGuard) { $this->visibilityManipulator = $visibilityManipulator; $this->parentPropertyLookupGuard = $parentPropertyLookupGuard; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Change property to private if possible', [new CodeSample(<<<'CODE_SAMPLE' final class SomeClass { protected $value; } CODE_SAMPLE , <<<'CODE_SAMPLE' final class SomeClass { private $value; } CODE_SAMPLE )]); } /** * @return array<class-string<Node>> */ public function getNodeTypes() : array { return [Property::class]; } /** * @param Property $node */ public function refactor(Node $node) : ?Node { $classLike = $this->betterNodeFinder->findParentType($node, Class_::class); if (!$classLike instanceof Class_) { return null; } if (!$classLike->isFinal()) { return null; } if ($this->shouldSkipProperty($node)) { return null; } if (!$this->parentPropertyLookupGuard->isLegal($node)) { return null; } $this->visibilityManipulator->makePrivate($node); return $node; } private function shouldSkipProperty(Property $property) : bool { if (\count($property->props) !== 1) { return \true; } return !$property->isProtected(); } }
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