138     size_t end_pos = filename_pos(path);  in parent_path_end()  local
140     bool filename_was_sep = path.size() > 0 && is_separator(path[end_pos]);  in parent_path_end()
143     size_t root_dir_pos = root_dir_start(path.substr(0, end_pos));  in parent_path_end()
145     while(end_pos > 0 &&  in parent_path_end()
146           (end_pos - 1) != root_dir_pos &&  in parent_path_end()
147           is_separator(path[end_pos - 1]))  in parent_path_end()
148       --end_pos;  in parent_path_end()
150     if (end_pos == 1 && root_dir_pos == 0 && filename_was_sep)  in parent_path_end()
153     return end_pos;  in parent_path_end()
235   size_t end_pos = Path.find_first_of(separators, Position);  in operator ++()  local
236   Component = Path.slice(Position, end_pos);  in operator ++()
257   size_t end_pos = Position;  in operator --()  local
259   while(end_pos > 0 &&  in operator --()
260         (end_pos - 1) != root_dir_pos &&  in operator --()
261         is_separator(Path[end_pos - 1]))  in operator --()
262     --end_pos;  in operator --()
265   size_t start_pos = filename_pos(Path.substr(0, end_pos));  in operator --()
266   Component = Path.slice(start_pos, end_pos);  in operator --()
420   size_t end_pos = parent_path_end(path);  in parent_path()  local
421   if (end_pos == StringRef::npos)  in parent_path()
424     return path.substr(0, end_pos);  in parent_path()
428   size_t end_pos = parent_path_end(StringRef(path.begin(), path.size()));  in remove_filename()  local
429   if (end_pos != StringRef::npos)  in remove_filename()
430     path.set_size(end_pos);  in remove_filename()