| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . I M G _ W C H A R -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2022, 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 3, 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. -- |
| -- -- |
| -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| -- additional permissions described in the GCC Runtime Library Exception, -- |
| -- version 3.1, as published by the Free Software Foundation. -- |
| -- -- |
| -- You should have received a copy of the GNU General Public License and -- |
| -- a copy of the GCC Runtime Library Exception along with this program; -- |
| -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- 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 -- |
| -------------------------- |
| |
| procedure Image_Wide_Character |
| (V : Wide_Character; |
| S : in out String; |
| P : out Natural; |
| Ada_2005 : Boolean) |
| is |
| pragma Assert (S'First = 1); |
| |
| 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 |
| S (1 .. 4) := "FFFE"; |
| else |
| S (1 .. 4) := "FFFF"; |
| end if; |
| |
| P := 4; |
| |
| -- Deal with annoying Ada 95 incompatibility with soft hyphen |
| |
| elsif V = Wide_Character'Val (16#00AD#) |
| and then not Ada_2005 |
| then |
| P := 3; |
| S (1) := '''; |
| S (2) := Character'Val (16#00AD#); |
| S (3) := '''; |
| |
| -- Normal case, same as Wide_Wide_Character |
| |
| else |
| Image_Wide_Wide_Character |
| (Wide_Wide_Character'Val (Wide_Character'Pos (V)), S, P); |
| end if; |
| end Image_Wide_Character; |
| |
| ------------------------------- |
| -- Image_Wide_Wide_Character -- |
| ------------------------------- |
| |
| procedure Image_Wide_Wide_Character |
| (V : Wide_Wide_Character; |
| S : in out String; |
| P : out Natural) |
| is |
| pragma Assert (S'First = 1); |
| |
| Val : Unsigned_32 := Wide_Wide_Character'Pos (V); |
| |
| begin |
| -- If in range of standard Character, use Character routine. Use the |
| -- Ada 2005 version, since either we are called directly in Ada 2005 |
| -- mode for Wide_Wide_Character, or this is the Wide_Character case |
| -- which already took care of the Soft_Hyphen glitch. |
| |
| if Val <= 16#FF# then |
| Image_Character_05 |
| (Character'Val (Wide_Wide_Character'Pos (V)), S, P); |
| |
| -- Otherwise value returned is Hex_hhhhhhhh |
| |
| else |
| declare |
| Hex : constant array (Unsigned_32 range 0 .. 15) of Character := |
| "0123456789ABCDEF"; |
| |
| begin |
| S (1 .. 4) := "Hex_"; |
| |
| for J in reverse 5 .. 12 loop |
| S (J) := Hex (Val mod 16); |
| Val := Val / 16; |
| end loop; |
| |
| P := 12; |
| end; |
| end if; |
| end Image_Wide_Wide_Character; |
| |
| end System.Img_WChar; |