1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--             ADA.STRINGS.WIDE_WIDE_UNBOUNDED.WIDE_WIDE_TEXT_IO            --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1997-2009, 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 3,  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.                                     --
17--                                                                          --
18-- As a special exception under Section 7 of GPL version 3, you are granted --
19-- additional permissions described in the GCC Runtime Library Exception,   --
20-- version 3.1, as published by the Free Software Foundation.               --
21--                                                                          --
22-- You should have received a copy of the GNU General Public License and    --
23-- a copy of the GCC Runtime Library Exception along with this program;     --
24-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
25-- <http://www.gnu.org/licenses/>.                                          --
26--                                                                          --
27-- GNAT was originally developed  by the GNAT team at  New York University. --
28-- Extensive contributions were provided by Ada Core Technologies Inc.      --
29--                                                                          --
30------------------------------------------------------------------------------
31
32--  This child package of Ada.Strings.Wide_Wide_Unbounded provides specialized
33--  Wide_Wide_Text_IO routines that work directly with unbounded wide wide
34--  strings, avoiding the inefficiencies of access via the standard interface,
35--  and also taking direct advantage of the variable length semantics of these
36--  strings.
37
38with Ada.Wide_Wide_Text_IO;
39
40package Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO is
41
42   function Get_Line
43     return Unbounded_Wide_Wide_String;
44   function Get_Line
45     (File : Ada.Wide_Wide_Text_IO.File_Type)
46      return Unbounded_Wide_Wide_String;
47   --  Reads up to the end of the current line, returning the result
48   --  as an unbounded string of appropriate length. If no File parameter
49   --  is present, input is from Current_Input.
50
51   procedure Get_Line
52     (File : Ada.Wide_Wide_Text_IO.File_Type;
53      Item : out Unbounded_Wide_Wide_String);
54   procedure Get_Line (Item : out Unbounded_Wide_Wide_String);
55   --  Similar to the above, but in procedure form with an out parameter
56
57   procedure Put
58     (U : Unbounded_Wide_Wide_String);
59   procedure Put
60     (File : Ada.Wide_Wide_Text_IO.File_Type;
61      U    : Unbounded_Wide_Wide_String);
62   procedure Put_Line
63     (U    : Unbounded_Wide_Wide_String);
64   procedure Put_Line
65     (File : Ada.Wide_Wide_Text_IO.File_Type;
66      U    : Unbounded_Wide_Wide_String);
67   --  These are equivalent to the standard Wide_Wide_Text_IO routines passed
68   --  the value To_Wide_Wide_String (U), but operate more efficiently,
69   --  because the extra copy of the argument is avoided.
70
71end Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO;
72