+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT RUNTIME COMPONENTS --
--- --
--- A D A . T E X T _ I O . D E C I M A L _ A U X --
--- --
--- B o d y --
--- --
--- $Revision: 1.1.16.1 $
--- --
--- Copyright (C) 1992-2001 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.Text_IO.Generic_Aux; use Ada.Text_IO.Generic_Aux;
-with Ada.Text_IO.Float_Aux; use Ada.Text_IO.Float_Aux;
-
-with System.Img_Dec; use System.Img_Dec;
-with System.Img_LLD; use System.Img_LLD;
-with System.Val_Dec; use System.Val_Dec;
-with System.Val_LLD; use System.Val_LLD;
-
-package body Ada.Text_IO.Decimal_Aux is
-
- -------------
- -- Get_Dec --
- -------------
-
- function Get_Dec
- (File : in File_Type;
- Width : in Field;
- Scale : Integer)
- return Integer
- is
- Buf : String (1 .. Field'Last);
- Ptr : aliased Integer;
- Stop : Integer := 0;
- Item : Integer;
-
- begin
- if Width /= 0 then
- Load_Width (File, Width, Buf, Stop);
- String_Skip (Buf, Ptr);
- else
- Load_Real (File, Buf, Stop);
- Ptr := 1;
- end if;
-
- Item := Scan_Decimal (Buf, Ptr'Access, Stop, Scale);
- Check_End_Of_Field (File, Buf, Stop, Ptr, Width);
- return Item;
- end Get_Dec;
-
- -------------
- -- Get_LLD --
- -------------
-
- function Get_LLD
- (File : in File_Type;
- Width : in Field;
- Scale : Integer)
- return Long_Long_Integer
- is
- Buf : String (1 .. Field'Last);
- Ptr : aliased Integer;
- Stop : Integer := 0;
- Item : Long_Long_Integer;
-
- begin
- if Width /= 0 then
- Load_Width (File, Width, Buf, Stop);
- String_Skip (Buf, Ptr);
- else
- Load_Real (File, Buf, Stop);
- Ptr := 1;
- end if;
-
- Item := Scan_Long_Long_Decimal (Buf, Ptr'Access, Stop, Scale);
- Check_End_Of_Field (File, Buf, Stop, Ptr, Width);
- return Item;
- end Get_LLD;
-
- --------------
- -- Gets_Dec --
- --------------
-
- function Gets_Dec
- (From : in String;
- Last : access Positive;
- Scale : Integer)
- return Integer
- is
- Pos : aliased Integer;
- Item : Integer;
-
- begin
- String_Skip (From, Pos);
- Item := Scan_Decimal (From, Pos'Access, From'Last, Scale);
- Last.all := Pos - 1;
- return Item;
-
- exception
- when Constraint_Error =>
- Last.all := Pos - 1;
- raise Data_Error;
- end Gets_Dec;
-
- --------------
- -- Gets_LLD --
- --------------
-
- function Gets_LLD
- (From : in String;
- Last : access Positive;
- Scale : Integer)
- return Long_Long_Integer
- is
- Pos : aliased Integer;
- Item : Long_Long_Integer;
-
- begin
- String_Skip (From, Pos);
- Item := Scan_Long_Long_Decimal (From, Pos'Access, From'Last, Scale);
- Last.all := Pos - 1;
- return Item;
-
- exception
- when Constraint_Error =>
- Last.all := Pos - 1;
- raise Data_Error;
- end Gets_LLD;
-
- -------------
- -- Put_Dec --
- -------------
-
- procedure Put_Dec
- (File : in File_Type;
- Item : in Integer;
- Fore : in Field;
- Aft : in Field;
- Exp : in Field;
- Scale : Integer)
- is
- Buf : String (1 .. Field'Last);
- Ptr : Natural := 0;
-
- begin
- Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
- Put_Item (File, Buf (1 .. Ptr));
- end Put_Dec;
-
- -------------
- -- Put_LLD --
- -------------
-
- procedure Put_LLD
- (File : in File_Type;
- Item : in Long_Long_Integer;
- Fore : in Field;
- Aft : in Field;
- Exp : in Field;
- Scale : Integer)
- is
- Buf : String (1 .. Field'Last);
- Ptr : Natural := 0;
-
- begin
- Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
- Put_Item (File, Buf (1 .. Ptr));
- end Put_LLD;
-
- --------------
- -- Puts_Dec --
- --------------
-
- procedure Puts_Dec
- (To : out String;
- Item : in Integer;
- Aft : in Field;
- Exp : in Field;
- Scale : Integer)
- is
- Buf : String (1 .. Field'Last);
- Fore : Integer;
- Ptr : Natural := 0;
-
- begin
- if Exp = 0 then
- Fore := To'Length - 1 - Aft;
- else
- Fore := To'Length - 2 - Aft - Exp;
- end if;
-
- if Fore < 1 then
- raise Layout_Error;
- end if;
-
- Set_Image_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
-
- if Ptr > To'Length then
- raise Layout_Error;
- else
- To := Buf (1 .. Ptr);
- end if;
- end Puts_Dec;
-
- --------------
- -- Puts_Dec --
- --------------
-
- procedure Puts_LLD
- (To : out String;
- Item : in Long_Long_Integer;
- Aft : in Field;
- Exp : in Field;
- Scale : Integer)
- is
- Buf : String (1 .. Field'Last);
- Fore : Integer;
- Ptr : Natural := 0;
-
- begin
- if Exp = 0 then
- Fore := To'Length - 1 - Aft;
- else
- Fore := To'Length - 2 - Aft - Exp;
- end if;
-
- if Fore < 1 then
- raise Layout_Error;
- end if;
-
- Set_Image_Long_Long_Decimal (Item, Buf, Ptr, Scale, Fore, Aft, Exp);
-
- if Ptr > To'Length then
- raise Layout_Error;
- else
- To := Buf (1 .. Ptr);
- end if;
- end Puts_LLD;
-
-end Ada.Text_IO.Decimal_Aux;
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