From 00c8e9b3d64480d27390f7f843800e0a46728ed3 Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sat, 27 Aug 2005 21:37:33 +0000
Subject: [PATCH] Only show "up one level" if we're not at the root path

---
 browse.php         |  9 +++++----
 includes/paths.php | 23 +++++++++++++++++++++++
 2 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/browse.php b/browse.php
index ecdd9fc..221722f 100644
--- a/browse.php
+++ b/browse.php
@@ -18,13 +18,14 @@ $relpath = $viewsvn->paths->fetch_path($path);
 
 $listing = $viewsvn->svn->ls($repos, $relpath, 0);
 
-print_r($listing);
-
 echo '<ul>';
 echo "\n";
 
-echo '<li><a href="/viewsvn/' . $viewsvn->paths->out('browse.php', $path . '..') . '">Up One Level</a></li>';
-echo "\n";
+if (!$viewsvn->paths->is_root_path($path))
+{
+	echo '<li><a href="/viewsvn/' . $viewsvn->paths->out('browse.php', $path . '..') . '">Up One Level</a></li>';
+	echo "\n";
+}
 
 foreach ($listing AS $item)
 {
diff --git a/includes/paths.php b/includes/paths.php
index dc91cb9..210b76a 100644
--- a/includes/paths.php
+++ b/includes/paths.php
@@ -179,6 +179,29 @@ class Paths
 		return $return;
 	}
 	
+	/**
+	* Determines if the root path has been reached
+	*
+	* @access	public
+	*
+	* @param	string	Universal path
+	*
+	* @return	bool	Root of path?
+	*/
+	function is_root_path($path)
+	{
+		$path = $this->fetch_path($path);
+		$temp = preg_split('#/#', $path, 0, PREG_SPLIT_NO_EMPTY);
+		if (count($temp) > 0)
+		{
+			return false;
+		}
+		else
+		{
+			return true;
+		}
+	}
+	
 	/**
 	* Sanitizes a path for passing
 	*
-- 
2.22.5