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Edit File: FileHelper.php

<?php declare(strict_types = 1);

namespace PHPStan\File;

use Nette\Utils\Strings;

class FileHelper
{

/** @var string */
	private $workingDirectory;

public function __construct(string $workingDirectory)
	{
		$this->workingDirectory = $this->normalizePath($workingDirectory);
	}

public function getWorkingDirectory(): string
	{
		return $this->workingDirectory;
	}

public function absolutizePath(string $path): string
	{
		if (DIRECTORY_SEPARATOR === '/') {
			if (substr($path, 0, 1) === '/') {
				return $path;
			}
		} else {
			if (substr($path, 1, 1) === ':') {
				return $path;
			}
		}
		if (\Nette\Utils\Strings::startsWith($path, 'phar://')) {
			return $path;
		}

return rtrim($this->getWorkingDirectory(), '/\\') . DIRECTORY_SEPARATOR . ltrim($path, '/\\');
	}

public function normalizePath(string $originalPath): string
	{
		$matches = \Nette\Utils\Strings::match($originalPath, '~^([a-z]+)\\:\\/\\/(.+)~');
		if ($matches !== null) {
			[, $scheme, $path] = $matches;
		} else {
			$scheme = null;
			$path = $originalPath;
		}

$path = str_replace('\\', '/', $path);
		$path = Strings::replace($path, '~/{2,}~', '/');

$pathRoot = strpos($path, '/') === 0 ? DIRECTORY_SEPARATOR : '';
		$pathParts = explode('/', trim($path, '/'));

$normalizedPathParts = [];
		foreach ($pathParts as $pathPart) {
			if ($pathPart === '.') {
				continue;
			}
			if ($pathPart === '..') {
				/** @var string $removedPart */
				$removedPart = array_pop($normalizedPathParts);
				if ($scheme === 'phar' && substr($removedPart, -5) === '.phar') {
					$scheme = null;
				}

} else {
				$normalizedPathParts[] = $pathPart;
			}
		}

return ($scheme !== null ? $scheme . '://' : '') . $pathRoot . implode(DIRECTORY_SEPARATOR, $normalizedPathParts);
	}

}