Viewing file:  RelativePathCalculator.php (2.68 KB) -rw-r--r--
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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Runner\Baseline;
use function array_fill;
use function array_merge;
use function array_slice;
use function assert;
use function count;
use function explode;
use function implode;
use function str_replace;
use function strpos;
use function substr;
use function trim;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*
* @see Copied from https://github.com/phpstan/phpstan-src/blob/1.10.33/src/File/ParentDirectoryRelativePathHelper.php
*/
final class RelativePathCalculator
{
/**
* @psalm-var non-empty-string $baselineDirectory
*/
private readonly string $baselineDirectory;
/**
* @psalm-param non-empty-string $baselineDirectory
*/
public function __construct(string $baselineDirectory)
{
$this->baselineDirectory = $baselineDirectory;
}
/**
* @psalm-param non-empty-string $filename
*
* @psalm-return non-empty-string
*/
public function calculate(string $filename): string
{
$result = implode('/', $this->parts($filename));
assert($result !== '');
return $result;
}
/**
* @psalm-param non-empty-string $filename
*
* @psalm-return list<non-empty-string>
*/
public function parts(string $filename): array
{
$schemePosition = strpos($filename, '://');
if ($schemePosition !== false) {
$filename = substr($filename, $schemePosition + 3);
assert($filename !== '');
}
$parentParts = explode('/', trim(str_replace('\\', '/', $this->baselineDirectory), '/'));
$parentPartsCount = count($parentParts);
$filenameParts = explode('/', trim(str_replace('\\', '/', $filename), '/'));
$filenamePartsCount = count($filenameParts);
$i = 0;
for (; $i < $filenamePartsCount; $i++) {
if ($parentPartsCount < $i + 1) {
break;
}
$parentPath = implode('/', array_slice($parentParts, 0, $i + 1));
$filenamePath = implode('/', array_slice($filenameParts, 0, $i + 1));
if ($parentPath !== $filenamePath) {
break;
}
}
if ($i === 0) {
return [$filename];
}
$dotsCount = $parentPartsCount - $i;
assert($dotsCount >= 0);
return array_merge(array_fill(0, $dotsCount, '..'), array_slice($filenameParts, $i));
}
}
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