1------------------------------------------------------------------------------ 2-- -- 3-- GNAT RUN-TIME COMPONENTS -- 4-- -- 5-- S Y S T E M . I M G _ W C H A R -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2010, Free Software Foundation, Inc. -- 10-- -- 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. -- 17-- -- 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. -- 21-- -- 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/>. -- 26-- -- 27-- GNAT was originally developed by the GNAT team at New York University. -- 28-- Extensive contributions were provided by Ada Core Technologies Inc. -- 29-- -- 30------------------------------------------------------------------------------ 31 32with Interfaces; use Interfaces; 33 34with System.Img_Char; use System.Img_Char; 35 36package body System.Img_WChar is 37 38 -------------------------- 39 -- Image_Wide_Character -- 40 -------------------------- 41 42 procedure Image_Wide_Character 43 (V : Wide_Character; 44 S : in out String; 45 P : out Natural; 46 Ada_2005 : Boolean) 47 is 48 pragma Assert (S'First = 1); 49 50 begin 51 -- Annoying Ada 95 incompatibility with FFFE/FFFF 52 53 if V >= Wide_Character'Val (16#FFFE#) 54 and then not Ada_2005 55 then 56 if V = Wide_Character'Val (16#FFFE#) then 57 S (1 .. 4) := "FFFE"; 58 else 59 S (1 .. 4) := "FFFF"; 60 end if; 61 62 P := 4; 63 64 -- Deal with annoying Ada 95 incompatibility with soft hyphen 65 66 elsif V = Wide_Character'Val (16#00AD#) 67 and then not Ada_2005 68 then 69 P := 3; 70 S (1) := '''; 71 S (2) := Character'Val (16#00AD#); 72 S (3) := '''; 73 74 -- Normal case, same as Wide_Wide_Character 75 76 else 77 Image_Wide_Wide_Character 78 (Wide_Wide_Character'Val (Wide_Character'Pos (V)), S, P); 79 end if; 80 end Image_Wide_Character; 81 82 ------------------------------- 83 -- Image_Wide_Wide_Character -- 84 ------------------------------- 85 86 procedure Image_Wide_Wide_Character 87 (V : Wide_Wide_Character; 88 S : in out String; 89 P : out Natural) 90 is 91 pragma Assert (S'First = 1); 92 93 Val : Unsigned_32 := Wide_Wide_Character'Pos (V); 94 95 begin 96 -- If in range of standard Character, use Character routine. Use the 97 -- Ada 2005 version, since either we are called directly in Ada 2005 98 -- mode for Wide_Wide_Character, or this is the Wide_Character case 99 -- which already took care of the Soft_Hyphen glitch. 100 101 if Val <= 16#FF# then 102 Image_Character_05 103 (Character'Val (Wide_Wide_Character'Pos (V)), S, P); 104 105 -- Otherwise value returned is Hex_hhhhhhhh 106 107 else 108 declare 109 Hex : constant array (Unsigned_32 range 0 .. 15) of Character := 110 "0123456789ABCDEF"; 111 112 begin 113 S (1 .. 4) := "Hex_"; 114 115 for J in reverse 5 .. 12 loop 116 S (J) := Hex (Val mod 16); 117 Val := Val / 16; 118 end loop; 119 120 P := 12; 121 end; 122 end if; 123 end Image_Wide_Wide_Character; 124 125end System.Img_WChar; 126