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+------------------------------------------------------------------------------
+-- --
+-- GNAT RUN-TIME COMPONENTS --
+-- --
+-- A D A . T E X T _ I O . E D I T I N G --
+-- --
+-- S p e c --
+-- --
+-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
+-- --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the contents of the part following the private keyword. --
+-- --
+-- 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 3, 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. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
+-- --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
+-- --
+-- GNAT was originally developed by the GNAT team at New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
+-- --
+------------------------------------------------------------------------------
+
+package Ada.Text_IO.Editing is
+
+ type Picture is private;
+
+ function Valid
+ (Pic_String : String;
+ Blank_When_Zero : Boolean := False) return Boolean;
+
+ function To_Picture
+ (Pic_String : String;
+ Blank_When_Zero : Boolean := False) return Picture;
+
+ function Pic_String (Pic : Picture) return String;
+ function Blank_When_Zero (Pic : Picture) return Boolean;
+
+ Max_Picture_Length : constant := 64;
+
+ Picture_Error : exception;
+
+ Default_Currency : constant String := "$";
+ Default_Fill : constant Character := '*';
+ Default_Separator : constant Character := ',';
+ Default_Radix_Mark : constant Character := '.';
+
+ generic
+ type Num is delta <> digits <>;
+ Default_Currency : String := Editing.Default_Currency;
+ Default_Fill : Character := Editing.Default_Fill;
+ Default_Separator : Character := Editing.Default_Separator;
+ Default_Radix_Mark : Character := Editing.Default_Radix_Mark;
+
+ package Decimal_Output is
+
+ function Length
+ (Pic : Picture;
+ Currency : String := Default_Currency) return Natural;
+
+ function Valid
+ (Item : Num;
+ Pic : Picture;
+ Currency : String := Default_Currency) return Boolean;
+
+ function Image
+ (Item : Num;
+ Pic : Picture;
+ Currency : String := Default_Currency;
+ Fill : Character := Default_Fill;
+ Separator : Character := Default_Separator;
+ Radix_Mark : Character := Default_Radix_Mark) return String;
+
+ procedure Put
+ (File : Ada.Text_IO.File_Type;
+ Item : Num;
+ Pic : Picture;
+ Currency : String := Default_Currency;
+ Fill : Character := Default_Fill;
+ Separator : Character := Default_Separator;
+ Radix_Mark : Character := Default_Radix_Mark);
+
+ procedure Put
+ (Item : Num;
+ Pic : Picture;
+ Currency : String := Default_Currency;
+ Fill : Character := Default_Fill;
+ Separator : Character := Default_Separator;
+ Radix_Mark : Character := Default_Radix_Mark);
+
+ procedure Put
+ (To : out String;
+ Item : Num;
+ Pic : Picture;
+ Currency : String := Default_Currency;
+ Fill : Character := Default_Fill;
+ Separator : Character := Default_Separator;
+ Radix_Mark : Character := Default_Radix_Mark);
+
+ end Decimal_Output;
+
+private
+
+ MAX_PICSIZE : constant := 50;
+ MAX_MONEYSIZE : constant := 10;
+ Invalid_Position : constant := -1;
+
+ subtype Pic_Index is Natural range 0 .. MAX_PICSIZE;
+
+ type Picture_Record (Length : Pic_Index := 0) is record
+ Expanded : String (1 .. Length);
+ end record;
+
+ type Format_Record is record
+ Picture : Picture_Record;
+ -- Read only
+
+ Blank_When_Zero : Boolean;
+ -- Read/write
+
+ Original_BWZ : Boolean;
+
+ -- The following components get written
+
+ Star_Fill : Boolean := False;
+
+ Radix_Position : Integer := Invalid_Position;
+
+ Sign_Position,
+ Second_Sign : Integer := Invalid_Position;
+
+ Start_Float,
+ End_Float : Integer := Invalid_Position;
+
+ Start_Currency,
+ End_Currency : Integer := Invalid_Position;
+
+ Max_Leading_Digits : Integer := 0;
+
+ Max_Trailing_Digits : Integer := 0;
+
+ Max_Currency_Digits : Integer := 0;
+
+ Floater : Character := '!';
+ -- Initialized to illegal value
+
+ end record;
+
+ type Picture is record
+ Contents : Format_Record;
+ end record;
+
+ type Number_Attributes is record
+ Negative : Boolean := False;
+
+ Has_Fraction : Boolean := False;
+
+ Start_Of_Int,
+ End_Of_Int,
+ Start_Of_Fraction,
+ End_Of_Fraction : Integer := Invalid_Position; -- invalid value
+ end record;
+
+ function Parse_Number_String (Str : String) return Number_Attributes;
+ -- Assumed format is 'IMAGE or Fixed_IO.Put format (depends on no
+ -- trailing blanks...)
+
+ procedure Precalculate (Pic : in out Format_Record);
+ -- Precalculates fields from the user supplied data
+
+ function Format_Number
+ (Pic : Format_Record;
+ Number : String;
+ Currency_Symbol : String;
+ Fill_Character : Character;
+ Separator_Character : Character;
+ Radix_Point : Character) return String;
+ -- Formats number according to Pic
+
+ function Expand (Picture : String) return String;
+
+end Ada.Text_IO.Editing;