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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT RUN-TIME COMPONENTS                         --

--                                                                          --

--     A D A . W I D E _ T E X T _ I O . W I D E _ B O U N D E D _ I O      --

--                                                                          --

--                                 B o d y                                  --

--                                                                          --

--          Copyright (C) 1997-2009, 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;

with Ada.Unchecked_Deallocation;

package body Ada.Wide_Text_IO.Wide_Bounded_IO is

   type Wide_String_Access is access all Wide_String;

   procedure Free (WSA : in out Wide_String_Access);

   --  Perform an unchecked deallocation of a non-null string

   ----------

   -- Free --

   ----------

   procedure Free (WSA : in out Wide_String_Access) is

      Null_Wide_String : constant Wide_String := "";

      procedure Deallocate is

        new Ada.Unchecked_Deallocation (Wide_String, Wide_String_Access);

   begin

      --  Do not try to free statically allocated null string

      if WSA.all /= Null_Wide_String then

         Deallocate (WSA);

      end if;

   end Free;

   --------------

   -- Get_Line --

   --------------

   function Get_Line return Wide_Bounded.Bounded_Wide_String is

   begin

      return Wide_Bounded.To_Bounded_Wide_String (Get_Line);

   end Get_Line;

   --------------

   -- Get_Line --

   --------------

   function Get_Line

     (File : File_Type) return Wide_Bounded.Bounded_Wide_String

   is

   begin

      return Wide_Bounded.To_Bounded_Wide_String (Get_Line (File));

   end Get_Line;

   --------------

   -- Get_Line --

   --------------

   procedure Get_Line

     (Item : out Wide_Bounded.Bounded_Wide_String)

   is

      Buffer : Wide_String (1 .. 1000);

      Last   : Natural;

      Str1   : Wide_String_Access;

      Str2   : Wide_String_Access;

   begin

      Get_Line (Buffer, Last);

      Str1 := new Wide_String'(Buffer (1 .. Last));

      while Last = Buffer'Last loop

         Get_Line (Buffer, Last);

         Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));

         Free (Str1);

         Str1 := Str2;

      end loop;

      Item := Wide_Bounded.To_Bounded_Wide_String (Str1.all);

   end Get_Line;

   --------------

   -- Get_Line --

   --------------

   procedure Get_Line

     (File : File_Type;

      Item : out Wide_Bounded.Bounded_Wide_String)

   is

      Buffer : Wide_String (1 .. 1000);

      Last   : Natural;

      Str1   : Wide_String_Access;

      Str2   : Wide_String_Access;

   begin

      Get_Line (File, Buffer, Last);

      Str1 := new Wide_String'(Buffer (1 .. Last));

      while Last = Buffer'Last loop

         Get_Line (File, Buffer, Last);

         Str2 := new Wide_String'(Str1.all & Buffer (1 .. Last));

         Free (Str1);

         Str1 := Str2;

      end loop;

      Item := Wide_Bounded.To_Bounded_Wide_String (Str1.all);

   end Get_Line;

   ---------

   -- Put --

   ---------

   procedure Put

     (Item : Wide_Bounded.Bounded_Wide_String)

   is

   begin

      Put (Wide_Bounded.To_Wide_String (Item));

   end Put;

   ---------

   -- Put --

   ---------

   procedure Put

     (File : File_Type;

      Item : Wide_Bounded.Bounded_Wide_String)

   is

   begin

      Put (File, Wide_Bounded.To_Wide_String (Item));

   end Put;

   --------------

   -- Put_Line --

   --------------

   procedure Put_Line

     (Item : Wide_Bounded.Bounded_Wide_String)

   is

   begin

      Put_Line (Wide_Bounded.To_Wide_String (Item));

   end Put_Line;

   --------------

   -- Put_Line --

   --------------

   procedure Put_Line

     (File : File_Type;

      Item : Wide_Bounded.Bounded_Wide_String)

   is

   begin

      Put_Line (File, Wide_Bounded.To_Wide_String (Item));

   end Put_Line;

end Ada.Wide_Text_IO.Wide_Bounded_IO;