Merge pull request #1 from Grandt/1.0.1

Slight reformat of pathJoin

Author: Grandt

RelativePath.php

@@ -18,66 +18,69 @@
  * @version 1.01
  */
 class RelativePath {
-	const VERSION = 1.01;
+    const VERSION = 1.01;
 
-	/**
-	 * Join $file to $dir path, and clean up any excess slashes.
-	 *
-	 * @param String $dir
-	 * @param String $file
-	 */
-	public static function pathJoin($dir, $file) {
-		if (empty($dir) || empty($file)) {
-			return self::getRelativePath($dir . $file);
-		}
-		return self::getRelativePath($dir . '/' . $file);
-	}
+    /**
+     * Join $file to $dir path, and clean up any excess slashes.
+     *
+     * @author A. Grandt <[email protected]>
+     * @author Greg Kappatos
+     *
+     * @param string $dir
+     * @param string $file
+     *
+     * @return string Joined path, with the correct forward slash dir separator.
+     */
+    public static function pathJoin($dir, $file) {
+        return \RelativePath::getRelativePath(
+            $dir . (empty($dir) || empty($file) ? '' : DIRECTORY_SEPARATOR) . $file
+        );
+    }
 
-	/**
-	 * Clean up a path, removing any unnecessary elements such as /./, // or redundant ../ segments.
-	 * If the path starts with a "/", it is deemed an absolute path and any /../ in the beginning is stripped off.
-	 * The returned path will not end in a "/".
-	 *
-	 * @param String $path The path to clean up
-	 * @return String the clean path
-	 */
-	public static function getRelativePath($path) {
-		$path = preg_replace("#/+\.?/+#", "/", str_replace("\\", "/", $path));
-		$dirs = explode("/", rtrim(preg_replace('#^(\./)+#', '', $path), '/'));
-				
-		$offset = 0;
-		$sub = 0;
-		$subOffset = 0;
-		$root = "";
+    /**
+     * Clean up a path, removing any unnecessary elements such as /./, // or redundant ../ segments.
+     * If the path starts with a "/", it is deemed an absolute path and any /../ in the beginning is stripped off.
+     * The returned path will not end in a "/".
+     *
+     * @param String $path The path to clean up
+     * @return String the clean path
+     */
+    public static function getRelativePath($path) {
+        $path = preg_replace("#/+\.?/+#", "/", str_replace("\\", "/", $path));
+        $dirs = explode("/", rtrim(preg_replace('#^(\./)+#', '', $path), '/'));
+                
+        $offset = 0;
+        $sub = 0;
+        $subOffset = 0;
+        $root = "";
 
-		if (empty($dirs[0])) {
-			$root = "/";
-			$dirs = array_splice($dirs, 1);
-		} else if (preg_match("#[A-Za-z]:#", $dirs[0])) {
-			$root = strtoupper($dirs[0]) . "/";
-			$dirs = array_splice($dirs, 1);
-		} 
+        if (empty($dirs[0])) {
+            $root = "/";
+            $dirs = array_splice($dirs, 1);
+        } else if (preg_match("#[A-Za-z]:#", $dirs[0])) {
+            $root = strtoupper($dirs[0]) . "/";
+            $dirs = array_splice($dirs, 1);
+        } 
 
-		$newDirs = array();
-		foreach ($dirs as $dir) {
-			if ($dir !== "..") {
-				$subOffset--;	
-				$newDirs[++$offset] = $dir;
-			} else {
-				$subOffset++;
-				if (--$offset < 0) {
-					$offset = 0;
-					if ($subOffset > $sub) {
-						$sub++;
-					} 
-				}
-			}
-		}
+        $newDirs = array();
+        foreach ($dirs as $dir) {
+            if ($dir !== "..") {
+                $subOffset--;    
+                $newDirs[++$offset] = $dir;
+            } else {
+                $subOffset++;
+                if (--$offset < 0) {
+                    $offset = 0;
+                    if ($subOffset > $sub) {
+                        $sub++;
+                    } 
+                }
+            }
+        }
 
-		if (empty($root)) {
-			$root = str_repeat("../", $sub);
-		} 
-		return $root . implode("/", array_slice($newDirs, 0, $offset));
-	}
-}
-?>
+        if (empty($root)) {
+            $root = str_repeat("../", $sub);
+        } 
+        return $root . implode("/", array_slice($newDirs, 0, $offset));
+    }
+}