rector/rules/Restoration/Rector/ClassConstFetch/MissingClassConstantReferenceToStringRector.php

<?php

declare (strict_types=1);
namespace Rector\Restoration\Rector\ClassConstFetch;

use PhpParser\Node;
use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Scalar\String_;
use PHPStan\Reflection\ReflectionProvider;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
 * @see \Rector\Tests\Restoration\Rector\ClassConstFetch\MissingClassConstantReferenceToStringRector\MissingClassConstantReferenceToStringRectorTest
 */
final class MissingClassConstantReferenceToStringRector extends \Rector\Core\Rector\AbstractRector
{
    /**
     * @var \PHPStan\Reflection\ReflectionProvider
     */
    private $reflectionProvider;
    public function __construct(\PHPStan\Reflection\ReflectionProvider $reflectionProvider)
    {
        $this->reflectionProvider = $reflectionProvider;
    }
    public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
    {
        return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Convert missing class reference to string', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
class SomeClass
{
    public function run()
    {
        return NonExistingClass::class;
    }
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
class SomeClass
{
    public function run()
    {
        return 'NonExistingClass';
    }
}
CODE_SAMPLE
)]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [\PhpParser\Node\Expr\ClassConstFetch::class];
    }
    /**
     * @param ClassConstFetch $node
     */
    public function refactor(\PhpParser\Node $node) : ?\PhpParser\Node
    {
        if (!$this->isName($node->name, 'class')) {
            return null;
        }
        $referencedClass = $this->getName($node->class);
        if ($referencedClass === null) {
            return null;
        }
        if ($this->reflectionProvider->hasClass($referencedClass)) {
            return null;
        }
        return new \PhpParser\Node\Scalar\String_($referencedClass);
    }
}