with Ada.Wide_Text_IO.Generic_Aux; use Ada.Wide_Text_IO.Generic_Aux;
with System.Img_BIU; use System.Img_BIU;
with System.Img_Uns; use System.Img_Uns;
with System.Img_LLB; use System.Img_LLB;
with System.Img_LLU; use System.Img_LLU;
with System.Img_LLW; use System.Img_LLW;
with System.Img_WIU; use System.Img_WIU;
with System.Val_Uns; use System.Val_Uns;
with System.Val_LLU; use System.Val_LLU;
package body Ada.Wide_Text_IO.Modular_Aux is
use System.Unsigned_Types;
procedure Load_Modular
(File : in File_Type;
Buf : out String;
Ptr : in out Natural);
procedure Get_LLU
(File : in File_Type;
Item : out Long_Long_Unsigned;
Width : in Field)
is
Buf : String (1 .. Field'Last);
Stop : Integer := 0;
Ptr : aliased Integer := 1;
begin
if Width /= 0 then
Load_Width (File, Width, Buf, Stop);
String_Skip (Buf, Ptr);
else
Load_Modular (File, Buf, Stop);
end if;
Item := Scan_Long_Long_Unsigned (Buf, Ptr'Access, Stop);
Check_End_Of_Field (Buf, Stop, Ptr, Width);
end Get_LLU;
procedure Get_Uns
(File : in File_Type;
Item : out Unsigned;
Width : in Field)
is
Buf : String (1 .. Field'Last);
Stop : Integer := 0;
Ptr : aliased Integer := 1;
begin
if Width /= 0 then
Load_Width (File, Width, Buf, Stop);
String_Skip (Buf, Ptr);
else
Load_Modular (File, Buf, Stop);
end if;
Item := Scan_Unsigned (Buf, Ptr'Access, Stop);
Check_End_Of_Field (Buf, Stop, Ptr, Width);
end Get_Uns;
procedure Gets_LLU
(From : in String;
Item : out Long_Long_Unsigned;
Last : out Positive)
is
Pos : aliased Integer;
begin
String_Skip (From, Pos);
Item := Scan_Long_Long_Unsigned (From, Pos'Access, From'Last);
Last := Pos - 1;
exception
when Constraint_Error =>
raise Data_Error;
end Gets_LLU;
procedure Gets_Uns
(From : in String;
Item : out Unsigned;
Last : out Positive)
is
Pos : aliased Integer;
begin
String_Skip (From, Pos);
Item := Scan_Unsigned (From, Pos'Access, From'Last);
Last := Pos - 1;
exception
when Constraint_Error =>
raise Data_Error;
end Gets_Uns;
procedure Load_Modular
(File : in File_Type;
Buf : out String;
Ptr : in out Natural)
is
Hash_Loc : Natural;
Loaded : Boolean;
begin
Load_Skip (File);
Load (File, Buf, Ptr, '+', '-');
Load_Digits (File, Buf, Ptr, Loaded);
if Loaded then
Load (File, Buf, Ptr, '#', ':', Loaded);
if Loaded then
Hash_Loc := Ptr;
Load_Extended_Digits (File, Buf, Ptr);
Load (File, Buf, Ptr, Buf (Hash_Loc));
end if;
Load (File, Buf, Ptr, 'E', 'e', Loaded);
if Loaded then
Load (File, Buf, Ptr, '+', '-');
Load_Digits (File, Buf, Ptr);
end if;
end if;
end Load_Modular;
procedure Put_LLU
(File : in File_Type;
Item : in Long_Long_Unsigned;
Width : in Field;
Base : in Number_Base)
is
Buf : String (1 .. Field'Last);
Ptr : Natural := 0;
begin
if Base = 10 and then Width = 0 then
Set_Image_Long_Long_Unsigned (Item, Buf, Ptr);
elsif Base = 10 then
Set_Image_Width_Long_Long_Unsigned (Item, Width, Buf, Ptr);
else
Set_Image_Based_Long_Long_Unsigned (Item, Base, Width, Buf, Ptr);
end if;
Put_Item (File, Buf (1 .. Ptr));
end Put_LLU;
procedure Put_Uns
(File : in File_Type;
Item : in Unsigned;
Width : in Field;
Base : in Number_Base)
is
Buf : String (1 .. Field'Last);
Ptr : Natural := 0;
begin
if Base = 10 and then Width = 0 then
Set_Image_Unsigned (Item, Buf, Ptr);
elsif Base = 10 then
Set_Image_Width_Unsigned (Item, Width, Buf, Ptr);
else
Set_Image_Based_Unsigned (Item, Base, Width, Buf, Ptr);
end if;
Put_Item (File, Buf (1 .. Ptr));
end Put_Uns;
procedure Puts_LLU
(To : out String;
Item : in Long_Long_Unsigned;
Base : in Number_Base)
is
Buf : String (1 .. Field'Last);
Ptr : Natural := 0;
begin
if Base = 10 then
Set_Image_Width_Long_Long_Unsigned (Item, To'Length, Buf, Ptr);
else
Set_Image_Based_Long_Long_Unsigned (Item, Base, To'Length, Buf, Ptr);
end if;
if Ptr > To'Length then
raise Layout_Error;
else
To (To'First .. To'First + Ptr - 1) := Buf (1 .. Ptr);
end if;
end Puts_LLU;
procedure Puts_Uns
(To : out String;
Item : in Unsigned;
Base : in Number_Base)
is
Buf : String (1 .. Field'Last);
Ptr : Natural := 0;
begin
if Base = 10 then
Set_Image_Width_Unsigned (Item, To'Length, Buf, Ptr);
else
Set_Image_Based_Unsigned (Item, Base, To'Length, Buf, Ptr);
end if;
if Ptr > To'Length then
raise Layout_Error;
else
To (To'First .. To'First + Ptr - 1) := Buf (1 .. Ptr);
end if;
end Puts_Uns;
end Ada.Wide_Text_IO.Modular_Aux;