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msd/vendor/league/flysystem/src/PathPrefixer.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+namespace League\Flysystem;
+
+use function rtrim;
+use function strlen;
+use function substr;
+
+final class PathPrefixer
+{
+    /**
+     * @var string
+     */
+    private $prefix = '';
+
+    /**
+     * @var string
+     */
+    private $separator = '/';
+
+    public function __construct(string $prefix, string $separator = '/')
+    {
+        $this->prefix = rtrim($prefix, '\\/');
+
+        if ($this->prefix !== '' || $prefix === $separator) {
+            $this->prefix .= $separator;
+        }
+
+        $this->separator = $separator;
+    }
+
+    public function prefixPath(string $path): string
+    {
+        return $this->prefix . ltrim($path, '\\/');
+    }
+
+    public function stripPrefix(string $path): string
+    {
+        /* @var string */
+        return substr($path, strlen($this->prefix));
+    }
+
+    public function stripDirectoryPrefix(string $path): string
+    {
+        return rtrim($this->stripPrefix($path), '\\/');
+    }
+
+    public function prefixDirectoryPath(string $path): string
+    {
+        $prefixedPath = $this->prefixPath(rtrim($path, '\\/'));
+
+        if ((substr($prefixedPath, -1) === $this->separator) || $prefixedPath === '') {
+            return $prefixedPath;
+        }
+
+        return $prefixedPath . $this->separator;
+    }
+}