Fan.Sys.Uri.Sections.normalizePath C# (CSharp) Method

            private void normalizePath()
            {
                if (path == null) return;

                bool isAbs = pathStr.StartsWith("/");
                bool isDir = pathStr.EndsWith("/");
                bool dotLast = false;
                bool modified = false;
                for (int i=0; i<path.sz(); ++i)
                {
                  string seg = (string)path.get(i);
                  if (seg == "." && (path.sz() > 1 || host != null))
                  {
                path.removeAt(i);
                modified = true;
                dotLast = true;
                i -= 1;
                  }
                  else if (seg == ".." && i > 0 && path.get(i-1).ToString() != "..")
                  {
                path.removeAt(i);
                path.removeAt(i-1);
                modified = true;
                i -= 2;
                dotLast = true;
                  }
                  else
                  {
                dotLast = false;
                  }
                }

                if (modified)
                {
                  if (dotLast) isDir = true;
                  if (path.sz() == 0 || path.last().ToString() == "..") isDir = false;
                  pathStr = toPathStr(isAbs, path, isDir);
                }
            }