1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- S Y S T E M . I M G _ W C H A R --
9 -- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with Interfaces; use Interfaces;
34 with System.Img_Char; use System.Img_Char;
36 package body System.Img_WChar is
38 --------------------------
39 -- Image_Wide_Character --
40 --------------------------
42 procedure Image_Wide_Character
48 pragma Assert (S'First = 1);
51 -- Annoying Ada 95 incompatibility with FFFE/FFFF
53 if V >= Wide_Character'Val (16#FFFE#)
56 if V = Wide_Character'Val (16#FFFE#) then
64 -- Normal case, same as Wide_Wide_Character
67 Image_Wide_Wide_Character
68 (Wide_Wide_Character'Val (Wide_Character'Pos (V)), S, P);
70 end Image_Wide_Character;
72 -------------------------------
73 -- Image_Wide_Wide_Character --
74 -------------------------------
76 procedure Image_Wide_Wide_Character
77 (V : Wide_Wide_Character;
81 pragma Assert (S'First = 1);
83 Val : Unsigned_32 := Wide_Wide_Character'Pos (V);
86 -- If in range of standard Character, use Character routine
89 Image_Character (Character'Val (Wide_Wide_Character'Pos (V)), S, P);
91 -- Otherwise value returned is Hex_hhhhhhhh
95 Hex : constant array (Unsigned_32 range 0 .. 15) of Character :=
101 for J in reverse 5 .. 12 loop
102 S (J) := Hex (Val mod 16);
109 end Image_Wide_Wide_Character;
111 end System.Img_WChar;