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------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . W I D E _ T E X T _ I O . I N T E G E R _ I O --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2000 Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with Ada.Wide_Text_IO.Integer_Aux;
with System.WCh_Con; use System.WCh_Con;
with System.WCh_WtS; use System.WCh_WtS;
package body Ada.Wide_Text_IO.Integer_IO is
Need_LLI : constant Boolean := Num'Base'Size > Integer'Size;
-- Throughout this generic body, we distinguish between the case
-- where type Integer is acceptable, and where a Long_Long_Integer
-- is needed. This constant Boolean is used to test for these cases
-- and since it is a constant, only the code for the relevant case
-- will be included in the instance.
subtype TFT is Ada.Wide_Text_IO.File_Type;
-- File type required for calls to routines in Aux
package Aux renames Ada.Wide_Text_IO.Integer_Aux;
---------
-- Get --
---------
procedure Get
(File : in File_Type;
Item : out Num;
Width : in Field := 0)
is
begin
if Need_LLI then
Aux.Get_LLI (TFT (File), Long_Long_Integer (Item), Width);
else
Aux.Get_Int (TFT (File), Integer (Item), Width);
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
procedure Get
(Item : out Num;
Width : in Field := 0)
is
begin
Get (Current_Input, Item, Width);
end Get;
procedure Get
(From : in Wide_String;
Item : out Num;
Last : out Positive)
is
S : constant String := Wide_String_To_String (From, WCEM_Upper);
-- String on which we do the actual conversion. Note that the method
-- used for wide character encoding is irrelevant, since if there is
-- a character outside the Standard.Character range then the call to
-- Aux.Gets will raise Data_Error in any case.
begin
if Need_LLI then
Aux.Gets_LLI (S, Long_Long_Integer (Item), Last);
else
Aux.Gets_Int (S, Integer (Item), Last);
end if;
exception
when Constraint_Error => raise Data_Error;
end Get;
---------
-- Put --
---------
procedure Put
(File : in File_Type;
Item : in Num;
Width : in Field := Default_Width;
Base : in Number_Base := Default_Base)
is
begin
if Need_LLI then
Aux.Put_LLI (TFT (File), Long_Long_Integer (Item), Width, Base);
else
Aux.Put_Int (TFT (File), Integer (Item), Width, Base);
end if;
end Put;
procedure Put
(Item : in Num;
Width : in Field := Default_Width;
Base : in Number_Base := Default_Base)
is
begin
Put (Current_Output, Item, Width, Base);
end Put;
procedure Put
(To : out Wide_String;
Item : in Num;
Base : in Number_Base := Default_Base)
is
S : String (To'First .. To'Last);
begin
if Need_LLI then
Aux.Puts_LLI (S, Long_Long_Integer (Item), Base);
else
Aux.Puts_Int (S, Integer (Item), Base);
end if;
for J in S'Range loop
To (J) := Wide_Character'Val (Character'Pos (S (J)));
end loop;
end Put;
end Ada.Wide_Text_IO.Integer_IO;
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