1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT RUN-TIME COMPONENTS                         --
4--                                                                          --
5--         A D A . S T R I N G S . U N B O U N D E D . T E X T _ I O        --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1997-2019, 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.Unbounded provides some specialized
33--  Text_IO routines that work directly with unbounded strings, avoiding the
34--  inefficiencies of access via the standard interface, and also taking
35--  direct advantage of the variable length semantics of these strings.
36
37with Ada.Text_IO;
38
39package Ada.Strings.Unbounded.Text_IO is
40
41   function Get_Line                                return Unbounded_String;
42   function Get_Line (File : Ada.Text_IO.File_Type) return Unbounded_String;
43   --  Reads up to the end of the current line, returning the result
44   --  as an unbounded string of appropriate length. If no File parameter
45   --  is present, input is from Current_Input.
46
47   procedure Get_Line
48     (File : Ada.Text_IO.File_Type;
49      Item : out Unbounded_String);
50   procedure Get_Line (Item : out Unbounded_String);
51   --  Similar to the above, but in procedure form with an out parameter
52
53   procedure Put                                    (U : Unbounded_String);
54   procedure Put      (File : Ada.Text_IO.File_Type; U : Unbounded_String);
55   procedure Put_Line                               (U : Unbounded_String);
56   procedure Put_Line (File : Ada.Text_IO.File_Type; U : Unbounded_String);
57   --  These are equivalent to the standard Text_IO routines passed the
58   --  value To_String (U), but operate more efficiently, because the extra
59   --  copy of the argument is avoided.
60
61end Ada.Strings.Unbounded.Text_IO;
62