Revert "Fix bugs in SimpleRelativePathHelper"

This reverts commit 3473695.

Author: ondrejmirtes

src/File/SimpleRelativePathHelper.php

@@ -6,36 +6,16 @@ class SimpleRelativePathHelper implements RelativePathHelper
 {
 
 	/** @var string */
-	private $directorySeparator;
+	private $currentWorkingDirectory;
 
-	/** @var string */
-	private $currentWorkingDirectory = '';
-
-	public function __construct(string $currentWorkingDirectory, string $directorySeparator = DIRECTORY_SEPARATOR)
+	public function __construct(string $currentWorkingDirectory)
 	{
-		$this->directorySeparator = $directorySeparator;
-
-		if ($currentWorkingDirectory !== $directorySeparator) {
-			$currentWorkingDirectory = rtrim($currentWorkingDirectory, $directorySeparator);
-		}
 		$this->currentWorkingDirectory = $currentWorkingDirectory;
 	}
 
 	public function getRelativePath(string $filename): string
 	{
-		if ($this->currentWorkingDirectory === '') {
-			return $filename;
-		}
-
-		if ($this->currentWorkingDirectory === $this->directorySeparator) {
-			if (strpos($filename, $this->currentWorkingDirectory) === 0) {
-				return substr($filename, strlen($this->currentWorkingDirectory));
-			}
-
-			return $filename;
-		}
-
-		if (strpos($filename, $this->currentWorkingDirectory . $this->directorySeparator) === 0) {
+		if ($this->currentWorkingDirectory !== '' && strpos($filename, $this->currentWorkingDirectory) === 0) {
 			return substr($filename, strlen($this->currentWorkingDirectory) + 1);
 		}