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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- S Y S T E M . I M G _ W C H A R --
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6 -- --
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7 -- B o d y --
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8 -- --
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145
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9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 with Interfaces; use Interfaces;
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33
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34 with System.Img_Char; use System.Img_Char;
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35
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36 package body System.Img_WChar is
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37
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38 --------------------------
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39 -- Image_Wide_Character --
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40 --------------------------
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41
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42 procedure Image_Wide_Character
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43 (V : Wide_Character;
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44 S : in out String;
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45 P : out Natural;
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46 Ada_2005 : Boolean)
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47 is
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48 pragma Assert (S'First = 1);
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49
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50 begin
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51 -- Annoying Ada 95 incompatibility with FFFE/FFFF
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52
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53 if V >= Wide_Character'Val (16#FFFE#)
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54 and then not Ada_2005
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55 then
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56 if V = Wide_Character'Val (16#FFFE#) then
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57 S (1 .. 4) := "FFFE";
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58 else
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59 S (1 .. 4) := "FFFF";
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60 end if;
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61
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62 P := 4;
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63
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64 -- Deal with annoying Ada 95 incompatibility with soft hyphen
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65
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66 elsif V = Wide_Character'Val (16#00AD#)
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67 and then not Ada_2005
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68 then
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69 P := 3;
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70 S (1) := ''';
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71 S (2) := Character'Val (16#00AD#);
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72 S (3) := ''';
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73
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74 -- Normal case, same as Wide_Wide_Character
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75
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76 else
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77 Image_Wide_Wide_Character
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78 (Wide_Wide_Character'Val (Wide_Character'Pos (V)), S, P);
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79 end if;
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80 end Image_Wide_Character;
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81
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82 -------------------------------
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83 -- Image_Wide_Wide_Character --
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84 -------------------------------
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85
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86 procedure Image_Wide_Wide_Character
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87 (V : Wide_Wide_Character;
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88 S : in out String;
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89 P : out Natural)
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90 is
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91 pragma Assert (S'First = 1);
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92
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93 Val : Unsigned_32 := Wide_Wide_Character'Pos (V);
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94
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95 begin
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96 -- If in range of standard Character, use Character routine. Use the
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97 -- Ada 2005 version, since either we are called directly in Ada 2005
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98 -- mode for Wide_Wide_Character, or this is the Wide_Character case
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99 -- which already took care of the Soft_Hyphen glitch.
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100
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101 if Val <= 16#FF# then
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102 Image_Character_05
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103 (Character'Val (Wide_Wide_Character'Pos (V)), S, P);
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104
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105 -- Otherwise value returned is Hex_hhhhhhhh
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106
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107 else
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108 declare
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109 Hex : constant array (Unsigned_32 range 0 .. 15) of Character :=
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110 "0123456789ABCDEF";
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111
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112 begin
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113 S (1 .. 4) := "Hex_";
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114
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115 for J in reverse 5 .. 12 loop
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116 S (J) := Hex (Val mod 16);
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117 Val := Val / 16;
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118 end loop;
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119
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120 P := 12;
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121 end;
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122 end if;
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123 end Image_Wide_Wide_Character;
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124
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125 end System.Img_WChar;
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