142     size_t end_pos = filename_pos(path);  in parent_path_end()  local
144     bool filename_was_sep = path.size() > 0 && is_separator(path[end_pos]);  in parent_path_end()
147     size_t root_dir_pos = root_dir_start(path.substr(0, end_pos));  in parent_path_end()
149     while(end_pos > 0 &&  in parent_path_end()
150           (end_pos - 1) != root_dir_pos &&  in parent_path_end()
151           is_separator(path[end_pos - 1]))  in parent_path_end()
152       --end_pos;  in parent_path_end()
154     if (end_pos == 1 && root_dir_pos == 0 && filename_was_sep)  in parent_path_end()
157     return end_pos;  in parent_path_end()
305   size_t end_pos = Path.find_first_of(separators, Position);  in operator ++()  local
306   Component = Path.slice(Position, end_pos);  in operator ++()
324   size_t end_pos = Position;  in operator --()  local
326   while(end_pos > 0 &&  in operator --()
327         (end_pos - 1) != root_dir_pos &&  in operator --()
328         is_separator(Path[end_pos - 1]))  in operator --()
329     --end_pos;  in operator --()
332   size_t start_pos = filename_pos(Path.substr(0, end_pos));  in operator --()
333   Component = Path.slice(start_pos, end_pos);  in operator --()
487   size_t end_pos = parent_path_end(path);  in parent_path()  local
488   if (end_pos == StringRef::npos)  in parent_path()
491     return path.substr(0, end_pos);  in parent_path()
495   size_t end_pos = parent_path_end(StringRef(path.begin(), path.size()));  in remove_filename()  local
496   if (end_pos != StringRef::npos)  in remove_filename()
497     path.set_size(end_pos);  in remove_filename()