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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;