1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME COMPONENTS --
5 -- A D A . W I D E _ W I D E _ T E X T _ I O . I N T E G E R _ I O --
9 -- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
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. --
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. --
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/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 with Ada.Wide_Wide_Text_IO.Integer_Aux;
33 with System.WCh_Con; use System.WCh_Con;
34 with System.WCh_WtS; use System.WCh_WtS;
36 package body Ada.Wide_Wide_Text_IO.Integer_IO is
38 Need_LLI : constant Boolean := Num'Base'Size > Integer'Size;
39 -- Throughout this generic body, we distinguish between the case
40 -- where type Integer is acceptable, and where a Long_Long_Integer
41 -- is needed. This constant Boolean is used to test for these cases
42 -- and since it is a constant, only the code for the relevant case
43 -- will be included in the instance.
45 subtype TFT is Ada.Wide_Wide_Text_IO.File_Type;
46 -- File type required for calls to routines in Aux
48 package Aux renames Ada.Wide_Wide_Text_IO.Integer_Aux;
61 Aux.Get_LLI (TFT (File), Long_Long_Integer (Item), Width);
63 Aux.Get_Int (TFT (File), Integer (Item), Width);
67 when Constraint_Error => raise Data_Error;
75 Get (Current_Input, Item, Width);
79 (From : Wide_Wide_String;
83 S : constant String := Wide_Wide_String_To_String (From, WCEM_Upper);
84 -- String on which we do the actual conversion. Note that the method
85 -- used for wide character encoding is irrelevant, since if there is
86 -- a character outside the Standard.Character range then the call to
87 -- Aux.Gets will raise Data_Error in any case.
91 Aux.Gets_LLI (S, Long_Long_Integer (Item), Last);
93 Aux.Gets_Int (S, Integer (Item), Last);
97 when Constraint_Error => raise Data_Error;
107 Width : Field := Default_Width;
108 Base : Number_Base := Default_Base)
112 Aux.Put_LLI (TFT (File), Long_Long_Integer (Item), Width, Base);
114 Aux.Put_Int (TFT (File), Integer (Item), Width, Base);
120 Width : Field := Default_Width;
121 Base : Number_Base := Default_Base)
124 Put (Current_Output, Item, Width, Base);
128 (To : out Wide_Wide_String;
130 Base : Number_Base := Default_Base)
132 S : String (To'First .. To'Last);
136 Aux.Puts_LLI (S, Long_Long_Integer (Item), Base);
138 Aux.Puts_Int (S, Integer (Item), Base);
141 for J in S'Range loop
142 To (J) := Wide_Wide_Character'Val (Character'Pos (S (J)));
146 end Ada.Wide_Wide_Text_IO.Integer_IO;