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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [s-imgwch.adb] - Blame information for rev 826

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1 281 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                         GNAT RUN-TIME COMPONENTS                         --
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--                                                                          --
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--                     S Y S T E M . I M G _ W C H A R                      --
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--                                                                          --
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--                                 B o d y                                  --
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--                                                                          --
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--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNAT is free software;  you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNAT was originally developed  by the GNAT team at  New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc.      --
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--                                                                          --
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------------------------------------------------------------------------------
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with Interfaces; use Interfaces;
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with System.Img_Char; use System.Img_Char;
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package body System.Img_WChar is
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   --------------------------
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   -- Image_Wide_Character --
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   --------------------------
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   procedure Image_Wide_Character
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     (V        : Wide_Character;
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      S        : in out String;
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      P        : out Natural;
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      Ada_2005 : Boolean)
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   is
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      pragma Assert (S'First = 1);
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   begin
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      --  Annoying Ada 95 incompatibility with FFFE/FFFF
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      if V >= Wide_Character'Val (16#FFFE#)
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        and then not Ada_2005
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      then
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         if V = Wide_Character'Val (16#FFFE#) then
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            S (1 .. 4) := "FFFE";
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         else
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            S (1 .. 4) := "FFFF";
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         end if;
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         P := 4;
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      --  Normal case, same as Wide_Wide_Character
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      else
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         Image_Wide_Wide_Character
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           (Wide_Wide_Character'Val (Wide_Character'Pos (V)), S, P);
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      end if;
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   end Image_Wide_Character;
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   -------------------------------
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   -- Image_Wide_Wide_Character --
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   -------------------------------
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   procedure Image_Wide_Wide_Character
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     (V : Wide_Wide_Character;
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      S : in out String;
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      P : out Natural)
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   is
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      pragma Assert (S'First = 1);
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      Val : Unsigned_32 := Wide_Wide_Character'Pos (V);
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   begin
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      --  If in range of standard Character, use Character routine
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      if Val <= 16#FF# then
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         Image_Character (Character'Val (Wide_Wide_Character'Pos (V)), S, P);
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      --  Otherwise value returned is Hex_hhhhhhhh
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      else
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         declare
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            Hex : constant array (Unsigned_32 range 0 .. 15) of Character :=
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                    "0123456789ABCDEF";
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         begin
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            S (1 .. 4) := "Hex_";
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            for J in reverse 5 .. 12 loop
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               S (J) := Hex (Val mod 16);
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               Val := Val / 16;
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            end loop;
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            P := 12;
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         end;
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      end if;
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   end Image_Wide_Wide_Character;
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end System.Img_WChar;

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