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   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
  38 with Ada.Wide_Wide_Text_IO;
  39
  40 package 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
  71 end Ada.Strings.Wide_Wide_Unbounded.Wide_Wide_Text_IO;