1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--                  ADA.STRINGS.WIDE_UNBOUNDED.WIDE_TEXT_IO                 --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1997-2021, 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_Unbounded provides specialized
33--  Wide_Text_IO routines that work directly with unbounded wide strings,
34--  avoiding the inefficiencies of access via the standard interface, and also
35--  taking direct advantage of the variable length semantics of these strings.
36
37with Ada.Wide_Text_IO;
38
39package Ada.Strings.Wide_Unbounded.Wide_Text_IO is
40
41   function Get_Line
42     return Unbounded_Wide_String;
43   function Get_Line
44     (File : Ada.Wide_Text_IO.File_Type) return Unbounded_Wide_String;
45   --  Reads up to the end of the current line, returning the result
46   --  as an unbounded string of appropriate length. If no File parameter
47   --  is present, input is from Current_Input.
48
49   procedure Get_Line
50     (File : Ada.Wide_Text_IO.File_Type;
51      Item : out Unbounded_Wide_String);
52   procedure Get_Line (Item : out Unbounded_Wide_String);
53   --  Similar to the above, but in procedure form with an out parameter
54
55   procedure Put
56     (U : Unbounded_Wide_String);
57   procedure Put
58     (File : Ada.Wide_Text_IO.File_Type;
59      U    : Unbounded_Wide_String);
60   procedure Put_Line
61     (U    : Unbounded_Wide_String);
62   procedure Put_Line
63     (File : Ada.Wide_Text_IO.File_Type;
64      U    : Unbounded_Wide_String);
65   --  These are equivalent to the standard Wide_Text_IO routines passed the
66   --  value To_Wide_String (U), but operate more efficiently, because the
67   --  extra copy of the argument is avoided.
68
69end Ada.Strings.Wide_Unbounded.Wide_Text_IO;
70