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<?php
declare (strict_types=1);
namespace Rector\Core\PhpParser\Comparing;
use PhpParser\Node;
use Rector\Comments\CommentRemover;
use Rector\Core\Contract\PhpParser\NodePrinterInterface;
use RectorPrefix202304\Webmozart\Assert\Assert;
final class NodeComparator
{
/**
* @readonly
* @var \Rector\Comments\CommentRemover
*/
private $commentRemover;
/**
* @readonly
* @var \Rector\Core\Contract\PhpParser\NodePrinterInterface
*/
private $nodePrinter;
public function __construct(CommentRemover $commentRemover, NodePrinterInterface $nodePrinter)
{
$this->commentRemover = $commentRemover;
$this->nodePrinter = $nodePrinter;
}
/**
* Removes all comments from both nodes
* @param \PhpParser\Node|mixed[]|null $node
*/
public function printWithoutComments($node) : string
{
$node = $this->commentRemover->removeFromNode($node);
$content = $this->nodePrinter->print($node);
return \trim($content);
}
/**
* @param \PhpParser\Node|mixed[]|null $firstNode
* @param \PhpParser\Node|mixed[]|null $secondNode
*/
public function areNodesEqual($firstNode, $secondNode) : bool
{
if ($firstNode instanceof Node && $secondNode === null) {
return \false;
}
if ($secondNode instanceof Node && $firstNode === null) {
return \false;
}
if (\is_array($firstNode)) {
Assert::allIsAOf($firstNode, Node::class);
if ($secondNode === null) {
return \false;
}
}
if (\is_array($secondNode)) {
Assert::allIsAOf($secondNode, Node::class);
if ($firstNode === null) {
return \false;
}
}
return $this->printWithoutComments($firstNode) === $this->printWithoutComments($secondNode);
}
/**
* @api
* @param Node[] $availableNodes
*/
public function isNodeEqual(Node $singleNode, array $availableNodes) : bool
{
foreach ($availableNodes as $availableNode) {
if ($this->areNodesEqual($singleNode, $availableNode)) {
return \true;
}
}
return \false;
}
/**
* Checks even clone nodes
*/
public function areSameNode(Node $firstNode, Node $secondNode) : bool
{
if ($firstNode === $secondNode) {
return \true;
}
$firstClass = \get_class($firstNode);
$secondClass = \get_class($secondNode);
if ($firstClass !== $secondClass) {
return \false;
}
if ($firstNode->getStartTokenPos() !== $secondNode->getStartTokenPos()) {
return \false;
}
if ($firstNode->getEndTokenPos() !== $secondNode->getEndTokenPos()) {
return \false;
}
$printFirstNode = $this->nodePrinter->print($firstNode);
$printSecondNode = $this->nodePrinter->print($secondNode);
return $printFirstNode === $printSecondNode;
}
}