------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--                  ADA.STRINGS.WIDE_UNBOUNDED.WIDE_TEXT_IO                 --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--          Copyright (C) 1997-2021, Free Software Foundation, Inc.         --
--                                                                          --
-- GNAT is free software;  you can  redistribute it  and/or modify it under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

with Ada.Wide_Text_IO; use Ada.Wide_Text_IO;

package body Ada.Strings.Wide_Unbounded.Wide_Text_IO is

   --------------
   -- Get_Line --
   --------------

   function Get_Line return Unbounded_Wide_String is
      Buffer : Wide_String (1 .. 1000);
      Last   : Natural;
      Result : Unbounded_Wide_String;

   begin
      Get_Line (Buffer, Last);
      Set_Unbounded_Wide_String (Result, Buffer (1 .. Last));

      while Last = Buffer'Last loop
         Get_Line (Buffer, Last);
         Append (Result, Buffer (1 .. Last));
      end loop;

      return Result;
   end Get_Line;

   function Get_Line
     (File : Ada.Wide_Text_IO.File_Type) return Unbounded_Wide_String
   is
      Buffer : Wide_String (1 .. 1000);
      Last   : Natural;
      Result : Unbounded_Wide_String;

   begin
      Get_Line (File, Buffer, Last);
      Set_Unbounded_Wide_String (Result, Buffer (1 .. Last));

      while Last = Buffer'Last loop
         Get_Line (File, Buffer, Last);
         Append (Result, Buffer (1 .. Last));
      end loop;

      return Result;
   end Get_Line;

   procedure Get_Line (Item : out Unbounded_Wide_String) is
   begin
      Get_Line (Current_Input, Item);
   end Get_Line;

   procedure Get_Line
     (File : Ada.Wide_Text_IO.File_Type;
      Item : out Unbounded_Wide_String)
   is
      Buffer : Wide_String (1 .. 1000);
      Last   : Natural;

   begin
      Get_Line (File, Buffer, Last);
      Set_Unbounded_Wide_String (Item, Buffer (1 .. Last));

      while Last = Buffer'Last loop
         Get_Line (File, Buffer, Last);
         Append (Item, Buffer (1 .. Last));
      end loop;
   end Get_Line;

   ---------
   -- Put --
   ---------

   procedure Put (U : Unbounded_Wide_String) is
      UR : constant Shared_Wide_String_Access := U.Reference;

   begin
      Put (UR.Data (1 .. UR.Last));
   end Put;

   procedure Put (File : File_Type; U : Unbounded_Wide_String) is
      UR : constant Shared_Wide_String_Access := U.Reference;

   begin
      Put (File, UR.Data (1 .. UR.Last));
   end Put;

   --------------
   -- Put_Line --
   --------------

   procedure Put_Line (U : Unbounded_Wide_String) is
      UR : constant Shared_Wide_String_Access := U.Reference;

   begin
      Put_Line (UR.Data (1 .. UR.Last));
   end Put_Line;

   procedure Put_Line (File : File_Type; U : Unbounded_Wide_String) is
      UR : constant Shared_Wide_String_Access := U.Reference;

   begin
      Put_Line (File, UR.Data (1 .. UR.Last));
   end Put_Line;

end Ada.Strings.Wide_Unbounded.Wide_Text_IO;