-- This file is part of a Liberty Eiffel library.
-- See the full copyright at the end.
--
class OPENVMS_DIRECTORY_NOTATION
   -- The VMS file path notation looks like:
   --    DISK:[LibertyEiffel.sys]system.se
   -- The current working directory notation is:
   --    DISK:[]
   -- The equivalent of Unix .. is :
   --    [-]
   -- The equivalent of Unix ../.. is :
   --    [-.-]
   --

inherit
   DIRECTORY_NOTATION

feature {ANY}
   is_current_directory (path: STRING): BOOLEAN
      do
         not_yet_implemented
      end

   is_parent_directory (path: STRING): BOOLEAN
      do
         not_yet_implemented
      end

   to_parent_directory (some_path: STRING)
      local
         old_count: INTEGER
      do
         --|*** "-" is not handled correctly <FM-24/03/2005>
         old_count := some_path.count
         if some_path.last = ']' then
            from
               some_path.remove_last
            until
               some_path.is_empty or else some_path.last = '.' or else some_path.last = '['
            loop
               some_path.remove_last
            end
            if some_path.count > 0 then
               inspect
                  some_path.last
               when '.' then
                  some_path.remove_last
                  some_path.extend(']')
               when '[' then
                  if some_path.count = old_count - 1 then
                     some_path.remove_last
                  else
                     some_path.extend(']')
                  end
               end
            end
         elseif some_path.last = ':' then
            some_path.clear_count
         else
            from
               some_path.remove_last
            until
               some_path.is_empty or else some_path.last = ']'
            loop
               some_path.remove_last
            end
            if some_path.is_empty then
               some_path.clear_count
            end
         end
      end

   to_subdirectory_with (parent_path, entry_name: STRING)
      do
         if parent_path.count = 1 then
            parent_path.clear_count
         elseif parent_path.last = ']' then
            parent_path.remove_last
            if parent_path.last = '[' then
               parent_path.append(entry_name)
               parent_path.extend(']')
            else
               parent_path.extend('.')
               parent_path.append(entry_name)
               parent_path.extend(']')
            end
         elseif parent_path.last = ':' then
            parent_path.extend('[')
            parent_path.append(entry_name)
            parent_path.extend(']')
         else
            parent_path.clear_count
         end
      end

   to_file_path_with (parent_path, file_name: STRING)
      do
         inspect
            parent_path.last
         when ']' then
         when '.' then
            parent_path.remove_last
            parent_path.extend(']')
         else
            parent_path.extend(']')
         end
         if file_name.first = ']' then
            parent_path.remove_last
         end
         parent_path.append(file_name)
      end

   to_subpath_with (parent_path, subpath: STRING)
      do
         not_yet_implemented
      end

   to_directory_path (path: STRING)
      do
         not_yet_implemented
      end

   to_short_name_in (buffer, path: STRING)
      do
         not_yet_implemented
      end

feature {ANY}
   can_map_drive (source_notation: DIRECTORY_NOTATION; drive: STRING): BOOLEAN
      do
         --|*** We (c/sh)ould do better than nothing... <24/03/2005>
      end

   to_root (source_notation: DIRECTORY_NOTATION; drive: STRING)
      do
         check
            False
         end
      end

   to_default_root (directory: STRING)
      do
         not_yet_implemented
      end

   to_current_directory (directory: STRING)
      do
         not_yet_implemented
      end

feature {ANY}
   is_case_sensitive: BOOLEAN False

   is_valid_path (path: STRING): BOOLEAN
      do
         --|*** Not nearly strict enough <FM-24/03/2003>
         Result := not path.is_empty
      end

   is_valid_directory_path (path: STRING): BOOLEAN
      do
         --|*** Not nearly strict enough <FM-24/03/2003>
         Result := not path.is_empty
      end

   is_valid_file_name (name: STRING): BOOLEAN
      do
         --|*** Not nearly strict enough <FM-24/03/2003>
         Result := not name.is_empty
      end

   is_absolute_path (path: STRING): BOOLEAN
      do
         not_yet_implemented
      end

feature {DIRECTORY_NOTATION}
   to_notation (path: STRING; destination_notation: DIRECTORY_NOTATION): STRING
      do
         not_yet_implemented
      end

end -- class OPENVMS_DIRECTORY_NOTATION
--
-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
--
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-- of this software and associated documentation files (the "Software"), to deal
-- in the Software without restriction, including without limitation the rights
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
-- all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-- THE SOFTWARE.