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
;