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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . I M G _ W C H A R --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2009, 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;
-- 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
if Val <= 16#FF# then
Image_Character (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;
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