added: a new mount type: static

some path in winix can be redirected to a specified static directory


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@738 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/dirs.cpp

@@ -2,7 +2,7 @@
  * This file is a part of Winix
  * and is not publicly distributed
  * 
- * Copyright (c) 2008-2010, Tomasz Sowa
+ * Copyright (c) 2008-2011, Tomasz Sowa
  * All rights reserved.
  * 
  */
@@ -196,6 +196,30 @@ DirContainer::Iterator i;
 }
 
 
+size_t Dirs::DirLevel(long id)
+{
+DirContainer::Iterator i;
+size_t level = 0;
+
+	while( true )
+	{
+		i = dir_tab.FindId(id);
+		
+		if( i == dir_tab.End() ||
+			i->parent_id == id ) // means a loop (something wrong in the db)
+		{
+			// we don't change path if there is no such a directory
+			return level;
+		}
+		
+		if( i->parent_id == -1 )
+			return level;
+
+		id = i->parent_id;
+		level += 1;
+	}
+}
+
 
 bool Dirs::ChangeParent(long dir_id, long new_parent_id)
 {