home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Collection of Tools & Utilities
/
Collection of Tools and Utilities.iso
/
ada
/
gnat1792.zip
/
gnat179b
/
t-adainc
/
a-textio.ads
< prev
next >
Wrap
Text File
|
1994-05-19
|
15KB
|
426 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . T E X T _ I O --
-- --
-- S p e c --
-- --
-- $Revision: 1.12 $ --
-- --
-- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
-- --
-- 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, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with Ada.IO_Exceptions;
package Ada.Text_IO is
type File_Type is limited private;
type File_Mode is (In_File, Out_File, Append_File);
type Count is range 0 .. Integer'Last; -- implementation defined;
subtype Positive_Count is Count range 1 .. Count'Last;
Unbounded : constant Count := 0; -- line and page length
subtype Field is Integer range 0 .. 100; -- implementation defined
subtype Number_Base is Integer range 2 .. 16;
type Type_Set is (Lower_Case, Upper_Case);
---------------------
-- File Management --
---------------------
procedure Create (File : in out File_Type;
Mode : in File_Mode := Out_File;
Name : in String := "";
Form : in String := "");
procedure Open (File : in out File_Type;
Mode : in File_Mode;
Name : in String;
Form : in String := "");
procedure Close (File : in out File_Type);
procedure Delete (File : in out File_Type);
procedure Reset (File : in out File_Type;
Mode : in File_Mode);
procedure Reset (File : in out File_Type);
function Mode (File : in File_Type) return File_Mode;
function Name (File : in File_Type) return String;
function Form (File : in File_Type) return String;
function Is_Open (File : in File_Type) return Boolean;
------------------------------------------------------
-- Control of default input, output and error files --
------------------------------------------------------
procedure Set_Input (File : in File_Type);
procedure Set_Output (File : in File_Type);
procedure Set_Error (File : in File_Type);
function Standard_Input return File_Type;
function Standard_Output return File_Type;
function Standard_Error return File_Type;
function Current_Input return File_Type;
function Current_Output return File_Type;
function Current_Error return File_Type;
--------------------------------------------
-- Specification of line and page lengths --
--------------------------------------------
procedure Set_Line_Length (File : in File_Type; To : in Count);
procedure Set_Line_Length (To : in Count);
procedure Set_Page_Length (File : in File_Type; To : in Count);
procedure Set_Page_Length (To : in Count);
function Line_Length (File : in File_Type) return Count;
function Line_Length return Count;
function Page_Length (File : in File_Type) return Count;
function Page_Length return Count;
------------------------------------
-- Column, Line, and Page Control --
------------------------------------
procedure New_Line (File : in File_Type;
Spacing : in Positive_Count := 1);
procedure New_Line (Spacing : in Positive_Count := 1);
procedure Skip_Line (File : in File_Type;
Spacing : in Positive_Count := 1);
procedure Skip_Line (Spacing : in Positive_Count := 1);
function End_Of_Line (File : in File_Type) return Boolean;
function End_Of_Line return Boolean;
procedure New_Page (File : in File_Type);
procedure New_Page;
procedure Skip_Page (File : in File_Type);
procedure Skip_Page;
function End_Of_Page (File : in File_Type) return Boolean;
function End_Of_Page return Boolean;
function End_Of_File (File : in File_Type) return Boolean;
function End_Of_File return Boolean;
procedure Set_Col (File : in File_Type;
To : in Positive_Count);
procedure Set_Col (To : in Positive_Count);
procedure Set_Line (File : in File_Type;
To : in Positive_Count);
procedure Set_Line (To : in Positive_Count);
function Col (File : in File_Type) return Positive_Count;
function Col return Positive_Count;
function Line (File : in File_Type) return Positive_Count;
function Line return Positive_Count;
function Page (File : in File_Type) return Positive_Count;
function Page return Positive_Count;
-----------------------------
-- Characters Input-Output --
-----------------------------
procedure Get (File : in File_Type; Item : out Character);
procedure Get (Item : out Character);
procedure Put (File : in File_Type; Item : in Character);
procedure Put (Item : in Character);
--------------------------
-- Strings Input-Output --
--------------------------
procedure Get (File : in File_Type; Item : out String);
procedure Get (Item : out String);
procedure Put (File : in File_Type; Item : in String);
procedure Put (Item : in String);
procedure Get_Line (File : in File_Type;
Item : out String;
Last : out Natural);
procedure Get_Line (Item : out String; Last : out Natural);
procedure Put_Line (File : in File_Type; Item : in String);
procedure Put_Line (Item : in String);
-----------------------------------
-- Input-Output of Integer Types --
-----------------------------------
generic
type Num is range <>;
package Integer_Io is
Default_Width : Field := 10; -- Num'Width
Default_Base : Number_Base := 10;
procedure Get (File : in File_Type;
Item : out Num;
Width : in Field := 0);
procedure Get (Item : out Num;
Width : in Field := 0);
procedure Put (File : in File_Type;
Item : in Num;
Width : in Field := Default_Width;
Base : in Number_Base := Default_Base);
procedure Put (Item : in Num;
Width : in Field := Default_Width;
Base : in Number_Base := Default_Base);
procedure Get (From : in String;
Item : out Num;
Last : out Positive);
procedure Put (To : out String;
Item : in Num;
Base : in Number_Base := Default_Base);
end Integer_Io;
-----------------------------------
-- Input-Output of Modular Types --
-----------------------------------
-- Not yet implemented ???
-- generic
-- type Num is mod <>;
-- package Modular_IO is
-- Default_Width : Field := Num'Width;
-- Default_Base : Number_B