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FileCachingLintingIterator.php
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FileCachingLintingIterator.php
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<?php
declare(strict_types=1);
/*
* This file is part of PHP CS Fixer.
*
* (c) Fabien Potencier <fabien@symfony.com>
* Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* This source file is subject to the MIT license that is bundled
* with this source code in the file LICENSE.
*/
namespace PhpCsFixer\Runner;
use PhpCsFixer\Linter\LinterInterface;
use PhpCsFixer\Linter\LintingResultInterface;
/**
* @author Dariusz Rumiński <dariusz.ruminski@gmail.com>
*
* @internal
*
* @extends \CachingIterator<mixed, \SplFileInfo, \Iterator<mixed, \SplFileInfo>>
*/
final class FileCachingLintingIterator extends \CachingIterator
{
private LinterInterface $linter;
/**
* @var LintingResultInterface
*/
private $currentResult;
/**
* @var LintingResultInterface
*/
private $nextResult;
/**
* @param \Iterator<mixed, \SplFileInfo> $iterator
*/
public function __construct(\Iterator $iterator, LinterInterface $linter)
{
parent::__construct($iterator);
$this->linter = $linter;
}
public function currentLintingResult(): LintingResultInterface
{
return $this->currentResult;
}
public function next(): void
{
parent::next();
$this->currentResult = $this->nextResult;
if ($this->hasNext()) {
$this->nextResult = $this->handleItem($this->getInnerIterator()->current());
}
}
public function rewind(): void
{
parent::rewind();
if ($this->valid()) {
$this->currentResult = $this->handleItem($this->current());
}
if ($this->hasNext()) {
$this->nextResult = $this->handleItem($this->getInnerIterator()->current());
}
}
private function handleItem(\SplFileInfo $file): LintingResultInterface
{
return $this->linter->lintFile($file->getRealPath());
}
}