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1996-09-28
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4KB
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93 lines
------------------------------------------------------------------------------
-- --
-- GNAT RUNTIME COMPONENTS --
-- --
-- A D A . T E X T _ I O . P I C T U R E S --
-- --
-- S p e c --
-- --
-- $Revision: 1.5 $ --
-- --
-- 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. --
-- --
------------------------------------------------------------------------------
package Ada.Text_IO.Pictures is
type Picture is private;
function Valid (Item : in String) return Boolean;
function To_Picture (Item : in String) return Picture;
function To_String (Item : in Picture) return String;
Max_Picture_Length : constant := 30;
Picture_Error : exception;
-- Localization features:
Max_Currency_Length : constant := 10;
subtype Currency_Length_Range is
Integer range 1 .. Max_Currency_Length;
type Locale (Length : Currency_Length_Range := 1) is record
Currency : String (1 .. Length) := "$";
Fill : Character := '*';
Separator : Character := ',';
Radix_Mark : Character := '.';
end record;
generic
type Num is delta <> digits <>;
package Edited_Output is
Default_Locale : Locale;
function Length (Pic : in Picture;
Symbols : in Locale := Default_Locale)
return Natural;
function Image (Item : in Num;
Pic : in Picture;
Symbols : in Locale := Default_Locale)
return String;
procedure Put (File : in File_Type;
Item : in Num;
Pic : in Picture;
Symbols : in Locale := Default_Locale);
procedure Put (Item : in Num;
Pic : in Picture;
Symbols : in Locale := Default_Locale);
procedure Put (To : out String;
Item : in Num;
Pic : in Picture;
Symbols : in Locale := Default_Locale);
end Edited_Output;
private
type Picture is record
Length : Natural;
Data : String (1 .. 30);
end record;
end Ada.Text_IO.Pictures;