1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUNTIME COMPONENTS                          --
4--                                                                          --
5--                  ADA.STRINGS.WIDE_UNBOUNDED.WIDE_TEXT_IO                 --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1997-1999 Free Software Foundation, Inc.          --
10--                                                                          --
11-- GNAT is free software;  you can  redistribute it  and/or modify it under --
12-- terms of the  GNU General Public License as published  by the Free Soft- --
13-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
14-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
15-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
16-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
17-- for  more details.  You should have  received  a copy of the GNU General --
18-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
19-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
20-- MA 02111-1307, USA.                                                      --
21--                                                                          --
22-- As a special exception,  if other files  instantiate  generics from this --
23-- unit, or you link  this unit with other files  to produce an executable, --
24-- this  unit  does not  by itself cause  the resulting  executable  to  be --
25-- covered  by the  GNU  General  Public  License.  This exception does not --
26-- however invalidate  any other reasons why  the executable file  might be --
27-- covered by the  GNU Public License.                                      --
28--                                                                          --
29-- GNAT was originally developed  by the GNAT team at  New York University. --
30-- Extensive contributions were provided by Ada Core Technologies Inc.      --
31--                                                                          --
32------------------------------------------------------------------------------
33
34--  This child package of Ada.Strings.Wide_Unbounded provides specialized
35--  Text_IO routines that work directly with unbounded strings, avoiding the
36--  inefficiencies of access via the standard interface, and also taking
37--  direct advantage of the variable length semantics of these strings.
38
39with Ada.Wide_Text_IO;
40
41package Ada.Strings.Wide_Unbounded.Wide_Text_IO is
42
43   function Get_Line
44     return Unbounded_Wide_String;
45   function Get_Line
46     (File : Ada.Wide_Text_IO.File_Type)
47      return Unbounded_Wide_String;
48   --  Reads up to the end of the current line, returning the result
49   --  as an unbounded string of appropriate length. If no File parameter
50   --  is present, input is from Current_Input.
51
52   procedure Put
53     (U : Unbounded_Wide_String);
54   procedure Put
55     (File : Ada.Wide_Text_IO.File_Type;
56      U    : Unbounded_Wide_String);
57   procedure Put_Line
58     (U    : Unbounded_Wide_String);
59   procedure Put_Line
60     (File : Ada.Wide_Text_IO.File_Type;
61      U    : Unbounded_Wide_String);
62   --  These are equivalent to the standard Wide_Text_IO routines passed the
63   --  value To_Wide_String (U), but operate more efficiently, because the
64   --  extra copy of the argument is avoided.
65
66end Ada.Strings.Wide_Unbounded.Wide_Text_IO;
67