+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- S Y S T E M . W W D _ W C H A R --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2000, Free Software Foundation, Inc. --
--- --
--- GNAT is free software; you can redistribute it and/or modify it under --
--- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
--- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNAT; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
-package body System.Wwd_WChar is
-
- -------------------------------
- -- Wide_Width_Wide_Character --
- -------------------------------
-
- function Wide_Width_Wide_Character
- (Lo, Hi : Wide_Character)
- return Natural
- is
- W : Natural;
- P : Natural;
-
- begin
- W := 0;
-
- for C in Lo .. Hi loop
- P := Wide_Character'Pos (C);
-
- -- If we are in wide character range, the length is always 3
- -- and we are done, since all remaining characters are the same.
-
- if P > 255 then
- return Natural'Max (W, 3);
-
- -- If we are in character range then use length of character image
- -- Is this right, what about wide char encodings of 80-FF???
-
- else
- declare
- S : Wide_String := Character'Wide_Image (Character'Val (P));
-
- begin
- W := Natural'Max (W, S'Length);
- end;
- end if;
- end loop;
-
- return W;
- end Wide_Width_Wide_Character;
-
-end System.Wwd_WChar;