------------------------------------------------------------------------------
--                                                                          --
--                           POLYORB COMPONENTS                             --
--                                                                          --
--               P O L Y O R B . B U F F E R _ S O U R C E S                --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--         Copyright (C) 2002-2012, Free Software Foundation, Inc.          --
--                                                                          --
-- This 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.  This software is distributed in the hope  that it will be useful, --
-- but WITHOUT ANY WARRANTY;  without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
-- License for  more details.                                               --
--                                                                          --
-- 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/>.                                          --
--                                                                          --
--                  PolyORB is maintained by AdaCore                        --
--                     (email: sales@adacore.com)                           --
--                                                                          --
------------------------------------------------------------------------------

pragma Ada_2012;

--  An XML/Ada input source type based on PolyORB buffers.

with Ada.Streams;

with PolyORB.Utils.Text_Buffers;

package body PolyORB.Buffer_Sources is

   use PolyORB.Buffers;
   use PolyORB.Utils.Text_Buffers;
   use type Ada.Streams.Stream_Element_Offset;

   procedure Set_Buffer
     (S : in out Input_Source;
      B : PolyORB.Buffers.Buffer_Access)
   is
   begin
      S.Buf := B;
   end Set_Buffer;

   overriding procedure Next_Char
     (From : in out Input_Source;
      C    : out Unicode.Unicode_Char)
   is
   begin
      C := Unicode.To_Unicode (Unmarshall_Char (From.Buf));
   end Next_Char;

   overriding function Eof (From : Input_Source)
     return Boolean
   is
   begin
      return Remaining (From.Buf) = 0;
   end Eof;

end PolyORB.Buffer_Sources;
