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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 -- A D A . W I D E _ W I D E _ T E X T _ IO . C O M P L E X _ I O --
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6 -- --
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7 -- B o d y --
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8 -- --
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131
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9 -- Copyright (C) 1992-2018, 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 Ada.Wide_Wide_Text_IO.Complex_Aux;
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33
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34 with System.WCh_Con; use System.WCh_Con;
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35 with System.WCh_WtS; use System.WCh_WtS;
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36
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37 with Ada.Unchecked_Conversion;
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38
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39 package body Ada.Wide_Wide_Text_IO.Complex_IO is
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40
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41 package Aux renames Ada.Wide_Wide_Text_IO.Complex_Aux;
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42
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43 subtype LLF is Long_Long_Float;
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44 -- Type used for calls to routines in Aux
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45
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46 function TFT is new
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47 Ada.Unchecked_Conversion (File_Type, Ada.Wide_Wide_Text_IO.File_Type);
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48 -- This unchecked conversion is to get around a visibility bug in
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49 -- GNAT version 2.04w. It should be possible to simply use the
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50 -- subtype declared above and do normal checked conversions.
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51
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52 ---------
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53 -- Get --
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54 ---------
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55
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56 procedure Get
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57 (File : File_Type;
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58 Item : out Complex;
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59 Width : Field := 0)
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60 is
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61 Real_Item : Real'Base;
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62 Imag_Item : Real'Base;
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63
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64 begin
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65 Aux.Get (TFT (File), LLF (Real_Item), LLF (Imag_Item), Width);
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66 Item := (Real_Item, Imag_Item);
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67
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68 exception
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69 when Constraint_Error => raise Data_Error;
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70 end Get;
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71
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72 ---------
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73 -- Get --
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74 ---------
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75
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76 procedure Get
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77 (Item : out Complex;
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78 Width : Field := 0)
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79 is
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80 begin
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81 Get (Current_Input, Item, Width);
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82 end Get;
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83
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84 ---------
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85 -- Get --
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86 ---------
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87
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88 procedure Get
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89 (From : Wide_Wide_String;
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90 Item : out Complex;
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91 Last : out Positive)
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92 is
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93 Real_Item : Real'Base;
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94 Imag_Item : Real'Base;
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95
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96 S : constant String := Wide_Wide_String_To_String (From, WCEM_Upper);
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97 -- String on which we do the actual conversion. Note that the method
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98 -- used for wide character encoding is irrelevant, since if there is
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99 -- a character outside the Standard.Character range then the call to
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100 -- Aux.Gets will raise Data_Error in any case.
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101
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102 begin
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103 Aux.Gets (S, LLF (Real_Item), LLF (Imag_Item), Last);
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104 Item := (Real_Item, Imag_Item);
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105
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106 exception
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107 when Data_Error => raise Constraint_Error;
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108 end Get;
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109
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110 ---------
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111 -- Put --
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112 ---------
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113
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114 procedure Put
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115 (File : File_Type;
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116 Item : Complex;
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117 Fore : Field := Default_Fore;
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118 Aft : Field := Default_Aft;
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119 Exp : Field := Default_Exp)
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120 is
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121 begin
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122 Aux.Put (TFT (File), LLF (Re (Item)), LLF (Im (Item)), Fore, Aft, Exp);
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123 end Put;
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124
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125 ---------
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126 -- Put --
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127 ---------
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128
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129 procedure Put
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130 (Item : Complex;
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131 Fore : Field := Default_Fore;
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132 Aft : Field := Default_Aft;
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133 Exp : Field := Default_Exp)
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134 is
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135 begin
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136 Put (Current_Output, Item, Fore, Aft, Exp);
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137 end Put;
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138
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139 ---------
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140 -- Put --
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141 ---------
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142
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143 procedure Put
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144 (To : out Wide_Wide_String;
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145 Item : Complex;
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146 Aft : Field := Default_Aft;
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147 Exp : Field := Default_Exp)
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148 is
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149 S : String (To'First .. To'Last);
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150
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151 begin
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152 Aux.Puts (S, LLF (Re (Item)), LLF (Im (Item)), Aft, Exp);
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153
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154 for J in S'Range loop
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155 To (J) := Wide_Wide_Character'Val (Character'Pos (S (J)));
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156 end loop;
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157 end Put;
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158
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159 end Ada.Wide_Wide_Text_IO.Complex_IO;
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