rector/packages/ReadWrite/ReadNodeAnalyzer/LocalPropertyFetchReadNodeAnalyzer.php

<?php

declare (strict_types=1);
namespace Rector\ReadWrite\ReadNodeAnalyzer;

use PhpParser\Node;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Stmt\Class_;
use Rector\Core\PhpParser\NodeFinder\PropertyFetchFinder;
use Rector\NodeNameResolver\NodeNameResolver;
use Rector\NodeTypeResolver\Node\AttributeKey;
use Rector\ReadWrite\Contract\ReadNodeAnalyzerInterface;
final class LocalPropertyFetchReadNodeAnalyzer implements \Rector\ReadWrite\Contract\ReadNodeAnalyzerInterface
{
    /**
     * @var \Rector\ReadWrite\ReadNodeAnalyzer\JustReadExprAnalyzer
     */
    private $justReadExprAnalyzer;
    /**
     * @var \Rector\Core\PhpParser\NodeFinder\PropertyFetchFinder
     */
    private $propertyFetchFinder;
    /**
     * @var \Rector\NodeNameResolver\NodeNameResolver
     */
    private $nodeNameResolver;
    public function __construct(\Rector\ReadWrite\ReadNodeAnalyzer\JustReadExprAnalyzer $justReadExprAnalyzer, \Rector\Core\PhpParser\NodeFinder\PropertyFetchFinder $propertyFetchFinder, \Rector\NodeNameResolver\NodeNameResolver $nodeNameResolver)
    {
        $this->justReadExprAnalyzer = $justReadExprAnalyzer;
        $this->propertyFetchFinder = $propertyFetchFinder;
        $this->nodeNameResolver = $nodeNameResolver;
    }
    /**
     * @param \PhpParser\Node $node
     */
    public function supports($node) : bool
    {
        return $node instanceof \PhpParser\Node\Expr\PropertyFetch;
    }
    /**
     * @param \PhpParser\Node $node
     */
    public function isRead($node) : bool
    {
        $class = $node->getAttribute(\Rector\NodeTypeResolver\Node\AttributeKey::CLASS_NODE);
        if (!$class instanceof \PhpParser\Node\Stmt\Class_) {
            // assume worse to keep node protected
            return \true;
        }
        $propertyName = $this->nodeNameResolver->getName($node->name);
        if ($propertyName === null) {
            // assume worse to keep node protected
            return \true;
        }
        $propertyFetches = $this->propertyFetchFinder->findLocalPropertyFetchesByName($class, $propertyName);
        foreach ($propertyFetches as $propertyFetch) {
            if ($this->justReadExprAnalyzer->isReadContext($propertyFetch)) {
                return \true;
            }
        }
        return \false;
    }
}