| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . I M G _ W C H A R -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2005, 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, 51 Franklin Street, Fifth Floor, -- |
| -- Boston, MA 02110-1301, 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. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with Interfaces; use Interfaces; |
| |
| with System.Img_Char; use System.Img_Char; |
| |
| package body System.Img_WChar is |
| |
| -------------------------- |
| -- Image_Wide_Character -- |
| -------------------------- |
| |
| function Image_Wide_Character |
| (V : Wide_Character; |
| Ada_2005 : Boolean) return String |
| is |
| begin |
| -- Annoying Ada 95 incompatibility with FFFE/FFFF |
| |
| if V >= Wide_Character'Val (16#FFFE#) |
| and then not Ada_2005 |
| then |
| if V = Wide_Character'Val (16#FFFE#) then |
| return "FFFE"; |
| else |
| return "FFFF"; |
| end if; |
| end if; |
| |
| -- Normal case, same as Wide_Wide_Character |
| |
| return |
| Image_Wide_Wide_Character |
| (Wide_Wide_Character'Val (Wide_Character'Pos (V))); |
| end Image_Wide_Character; |
| |
| ------------------------------- |
| -- Image_Wide_Wide_Character -- |
| ------------------------------- |
| |
| function Image_Wide_Wide_Character |
| (V : Wide_Wide_Character) return String |
| is |
| Val : Unsigned_32 := Wide_Wide_Character'Pos (V); |
| |
| begin |
| -- If in range of standard Character, use Character routine |
| |
| if Val <= 16#FF# then |
| return Image_Character (Character'Val (Wide_Wide_Character'Pos (V))); |
| |
| -- Otherwise value returned is Hex_hhhhhhhh |
| |
| else |
| declare |
| Result : String (1 .. 12) := "Hex_hhhhhhhh"; |
| Hex : constant array (Unsigned_32 range 0 .. 15) of Character := |
| "0123456789ABCDEF"; |
| |
| begin |
| for J in reverse 5 .. 12 loop |
| Result (J) := Hex (Val mod 16); |
| Val := Val / 16; |
| end loop; |
| |
| return Result; |
| end; |
| end if; |
| end Image_Wide_Wide_Character; |
| |
| end System.Img_WChar; |
