129 lines
4.5 KiB
Ada
129 lines
4.5 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT RUNTIME COMPONENTS --
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-- --
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-- A D A . T E X T _ I O . E N U M E R A T I O N _ I O --
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-- --
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-- B o d y --
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-- --
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-- $Revision: 1.7 $
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-- --
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-- Copyright (C) 1992-1999 Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 2, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING. If not, write --
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-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
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-- MA 02111-1307, USA. --
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-- --
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-- As a special exception, if other files instantiate generics from this --
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-- unit, or you link this unit with other files to produce an executable, --
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-- this unit does not by itself cause the resulting executable to be --
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-- covered by the GNU General Public License. This exception does not --
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-- however invalidate any other reasons why the executable file might be --
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-- covered by the GNU Public License. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
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-- --
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------------------------------------------------------------------------------
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with Ada.Text_IO.Enumeration_Aux;
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package body Ada.Text_IO.Enumeration_IO is
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package Aux renames Ada.Text_IO.Enumeration_Aux;
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---------
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-- Get --
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---------
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procedure Get (File : in File_Type; Item : out Enum) is
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Buf : String (1 .. Enum'Width);
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Buflen : Natural;
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begin
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Aux.Get_Enum_Lit (File, Buf, Buflen);
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declare
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Buf_Str : String renames Buf (1 .. Buflen);
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pragma Unsuppress (Range_Check);
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begin
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Item := Enum'Value (Buf_Str);
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end;
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exception
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when Constraint_Error => raise Data_Error;
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end Get;
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procedure Get (Item : out Enum) is
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pragma Unsuppress (Range_Check);
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begin
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Get (Current_In, Item);
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end Get;
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procedure Get
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(From : in String;
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Item : out Enum;
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Last : out Positive)
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is
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Start : Natural;
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begin
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Aux.Scan_Enum_Lit (From, Start, Last);
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declare
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From_Str : String renames From (Start .. Last);
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pragma Unsuppress (Range_Check);
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begin
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Item := Enum'Value (From_Str);
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end;
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exception
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when Constraint_Error => raise Data_Error;
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end Get;
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---------
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-- Put --
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---------
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procedure Put
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(File : in File_Type;
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Item : in Enum;
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Width : in Field := Default_Width;
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Set : in Type_Set := Default_Setting)
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is
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Image : constant String := Enum'Image (Item);
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begin
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Aux.Put (File, Image, Width, Set);
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end Put;
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procedure Put
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(Item : in Enum;
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Width : in Field := Default_Width;
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Set : in Type_Set := Default_Setting)
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is
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begin
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Put (Current_Out, Item, Width, Set);
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end Put;
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procedure Put
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(To : out String;
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Item : in Enum;
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Set : in Type_Set := Default_Setting)
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is
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Image : constant String := Enum'Image (Item);
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begin
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Aux.Puts (To, Image, Set);
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end Put;
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end Ada.Text_IO.Enumeration_IO;
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