rector/rules/renaming/src/Rector/Name/RenameClassRector.php

<?php

declare(strict_types=1);

namespace Rector\Renaming\Rector\Name;

use PhpParser\Node;
use PhpParser\Node\FunctionLike;
use PhpParser\Node\Name;
use PhpParser\Node\Stmt\ClassLike;
use PhpParser\Node\Stmt\Expression;
use PhpParser\Node\Stmt\Namespace_;
use PhpParser\Node\Stmt\Property;
use Rector\Core\Configuration\ChangeConfiguration;
use Rector\Core\Contract\Rector\ConfigurableRectorInterface;
use Rector\Core\Rector\AbstractRector;
use Rector\Core\RectorDefinition\ConfiguredCodeSample;
use Rector\Core\RectorDefinition\RectorDefinition;
use Rector\Renaming\NodeManipulator\ClassRenamer;

/**
 * @see \Rector\Renaming\Tests\Rector\Name\RenameClassRector\RenameClassRectorTest
 */
final class RenameClassRector extends AbstractRector implements ConfigurableRectorInterface
{
    /**
     * @var string
     */
    public const OLD_TO_NEW_CLASSES = 'old_to_new_classes';

    /**
     * @var string[]
     */
    private $oldToNewClasses = [];

    /**
     * @var ClassRenamer
     */
    private $classRenamer;

    /**
     * @var ChangeConfiguration
     */
    private $changeConfiguration;

    public function __construct(ChangeConfiguration $changeConfiguration, ClassRenamer $classRenamer)
    {
        $this->classRenamer = $classRenamer;
        $this->changeConfiguration = $changeConfiguration;
    }

    public function getDefinition(): RectorDefinition
    {
        return new RectorDefinition('Replaces defined classes by new ones.', [
            new ConfiguredCodeSample(
                <<<'PHP'
namespace App;

use SomeOldClass;

function someFunction(SomeOldClass $someOldClass): SomeOldClass
{
    if ($someOldClass instanceof SomeOldClass) {
        return new SomeOldClass;
    }
}
PHP
                ,
                <<<'PHP'
namespace App;

use SomeNewClass;

function someFunction(SomeNewClass $someOldClass): SomeNewClass
{
    if ($someOldClass instanceof SomeNewClass) {
        return new SomeNewClass;
    }
}
PHP
                ,
                [
                    self::OLD_TO_NEW_CLASSES => [
                        'App\SomeOldClass' => 'App\SomeNewClass',
                    ],
                ]
            ),
        ]);
    }

    /**
     * @return string[]
     */
    public function getNodeTypes(): array
    {
        return [
            Name::class,
            Property::class,
            FunctionLike::class,
            Expression::class,
            ClassLike::class,
            Namespace_::class,
        ];
    }

    /**
     * @param Name|FunctionLike|Property $node
     */
    public function refactor(Node $node): ?Node
    {
        return $this->classRenamer->renameNode($node, $this->oldToNewClasses);
    }

    public function configure(array $configuration): void
    {
        $this->oldToNewClasses = $configuration[self::OLD_TO_NEW_CLASSES] ?? [];
        if ($this->oldToNewClasses !== []) {
            $this->changeConfiguration->setOldToNewClasses($this->oldToNewClasses);
        }
    }
}