1 ------------------------------------------------------------------------------
3 -- GNAT RUNTIME COMPONENTS --
5 -- A D A . W I D E _ T E X T _ I O . I N T E G E R _ I O --
10 -- Copyright (C) 1992-2000 Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- Extensive contributions were provided by Ada Core Technologies Inc. --
33 ------------------------------------------------------------------------------
35 with Ada
.Wide_Text_IO
.Integer_Aux
;
36 with System
.WCh_Con
; use System
.WCh_Con
;
37 with System
.WCh_WtS
; use System
.WCh_WtS
;
39 package body Ada
.Wide_Text_IO
.Integer_IO
is
41 Need_LLI
: constant Boolean := Num
'Base'Size > Integer'Size;
42 -- Throughout this generic body, we distinguish between the case
43 -- where type Integer is acceptable, and where a Long_Long_Integer
44 -- is needed. This constant Boolean is used to test for these cases
45 -- and since it is a constant, only the code for the relevant case
46 -- will be included in the instance.
48 subtype TFT is Ada.Wide_Text_IO.File_Type;
49 -- File type required for calls to routines in Aux
51 package Aux renames Ada.Wide_Text_IO.Integer_Aux;
60 Width : in Field := 0)
64 Aux.Get_LLI (TFT (File), Long_Long_Integer (Item), Width);
66 Aux.Get_Int (TFT (File), Integer (Item), Width);
70 when Constraint_Error => raise Data_Error;
75 Width : in Field := 0)
78 Get (Current_Input, Item, Width);
82 (From : in Wide_String;
86 S : constant String := Wide_String_To_String (From, WCEM_Upper);
87 -- String on which we do the actual conversion. Note that the method
88 -- used for wide character encoding is irrelevant, since if there is
89 -- a character outside the Standard.Character range then the call to
90 -- Aux.Gets will raise Data_Error in any case.
94 Aux.Gets_LLI (S, Long_Long_Integer (Item), Last);
96 Aux.Gets_Int (S, Integer (Item), Last);
100 when Constraint_Error => raise Data_Error;
108 (File : in File_Type;
110 Width : in Field := Default_Width;
111 Base : in Number_Base := Default_Base)
115 Aux.Put_LLI (TFT (File), Long_Long_Integer (Item), Width, Base);
117 Aux.Put_Int (TFT (File), Integer (Item), Width, Base);
123 Width : in Field := Default_Width;
124 Base : in Number_Base := Default_Base)
127 Put (Current_Output, Item, Width, Base);
131 (To : out Wide_String;
133 Base : in Number_Base := Default_Base)
135 S : String (To'First .. To'Last);
139 Aux.Puts_LLI (S, Long_Long_Integer (Item), Base);
141 Aux.Puts_Int (S, Integer (Item), Base);
144 for J in S'Range loop
145 To (J) := Wide_Character'Val (Character'Pos (S (J)));
149 end Ada.Wide_Text_IO.Integer_IO;