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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 _ T E X T _ I O . D E C I M A L _ 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_Text_IO.Decimal_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 package body Ada.Wide_Text_IO.Decimal_IO is
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38
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39 subtype TFT is Ada.Wide_Text_IO.File_Type;
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40 -- File type required for calls to routines in Aux
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41
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42 package Aux renames Ada.Wide_Text_IO.Decimal_Aux;
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43
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44 Scale : constant Integer := Num'Scale;
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45
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46 ---------
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47 -- Get --
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48 ---------
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49
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50 procedure Get
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51 (File : File_Type;
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52 Item : out Num;
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53 Width : Field := 0)
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54 is
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55 begin
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56 if Num'Size > Integer'Size then
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57 Item := Num'Fixed_Value (Aux.Get_LLD (TFT (File), Width, Scale));
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58 else
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59 Item := Num'Fixed_Value (Aux.Get_Dec (TFT (File), Width, Scale));
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60 end if;
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61 exception
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62 when Constraint_Error => raise Data_Error;
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63 end Get;
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64
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65 procedure Get
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66 (Item : out Num;
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67 Width : Field := 0)
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68 is
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69 begin
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70 Get (Current_Input, Item, Width);
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71 end Get;
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72
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73 procedure Get
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74 (From : Wide_String;
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75 Item : out Num;
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76 Last : out Positive)
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77 is
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78 S : constant String := Wide_String_To_String (From, WCEM_Upper);
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79 -- String on which we do the actual conversion. Note that the method
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80 -- used for wide character encoding is irrelevant, since if there is
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81 -- a character outside the Standard.Character range then the call to
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82 -- Aux.Gets will raise Data_Error in any case.
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83
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84 begin
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85 if Num'Size > Integer'Size then
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86 -- Item := Num'Fixed_Value
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87 -- should write above, but gets assert error ???
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88 Item := Num
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89 (Aux.Gets_LLD (S, Last'Unrestricted_Access, Scale));
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90 else
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91 -- Item := Num'Fixed_Value
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92 -- should write above, but gets assert error ???
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93 Item := Num
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94 (Aux.Gets_Dec (S, Last'Unrestricted_Access, Scale));
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95 end if;
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96
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97 exception
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98 when Constraint_Error => raise Data_Error;
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99 end Get;
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100
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101 ---------
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102 -- Put --
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103 ---------
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104
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105 procedure Put
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106 (File : File_Type;
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107 Item : Num;
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108 Fore : Field := Default_Fore;
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109 Aft : Field := Default_Aft;
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110 Exp : Field := Default_Exp)
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111 is
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112 begin
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113 if Num'Size > Integer'Size then
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114 Aux.Put_LLD
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115 (TFT (File), Long_Long_Integer'Integer_Value (Item),
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116 Fore, Aft, Exp, Scale);
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117 else
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118 Aux.Put_Dec
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119 (TFT (File), Integer'Integer_Value (Item), Fore, Aft, Exp, Scale);
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120 end if;
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121 end Put;
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122
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123 procedure Put
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124 (Item : Num;
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125 Fore : Field := Default_Fore;
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126 Aft : Field := Default_Aft;
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127 Exp : Field := Default_Exp)
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128 is
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129 begin
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130 Put (Current_Output, Item, Fore, Aft, Exp);
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131 end Put;
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132
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133 procedure Put
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134 (To : out Wide_String;
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135 Item : Num;
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136 Aft : Field := Default_Aft;
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137 Exp : Field := Default_Exp)
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138 is
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139 S : String (To'First .. To'Last);
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140
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141 begin
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142 if Num'Size > Integer'Size then
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143 Aux.Puts_LLD
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144 (S, Long_Long_Integer'Integer_Value (Item), Aft, Exp, Scale);
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145
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146 else
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147 Aux.Puts_Dec (S, Integer'Integer_Value (Item), Aft, Exp, Scale);
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148 end if;
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149
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150 for J in S'Range loop
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151 To (J) := Wide_Character'Val (Character'Pos (S (J)));
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152 end loop;
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153 end Put;
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154
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155 end Ada.Wide_Text_IO.Decimal_IO;
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