File : aws-resources-streams.ads


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--                              Ada Web Server                              --

--                                                                          --

--                            Copyright (C) 2002                            --

--                                ACT-Europe                                --

--                                                                          --

--  Authors: Dmitriy Anisimkov - Pascal Obry                                --

--                                                                          --

--  This library is free software; you can redistribute it and/or modify    --

--  it under the terms of the GNU General Public License as published by    --

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--  This library is distributed in the hope that it will be useful, but     --

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--  General Public License for more details.                                --

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--  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.          --

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--  As a special exception, if other files instantiate generics from this   --

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--  covered by the  GNU Public License.                                     --

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--  $Id: aws-resources-streams.ads,v 1.1 2003/10/05 19:59:58 Jano Exp $


package AWS.Resources.Streams is

   use Ada;

   type Stream_Type is abstract tagged limited private;

   type Stream_Access is access all Stream_Type'Class;

   function End_Of_File
     (Resource : in Stream_Type)
      return Boolean
      is abstract;

   procedure Read
     (Resource : in out Stream_Type;
      Buffer   :    out Stream_Element_Array;
      Last     :    out Stream_Element_Offset)
      is abstract;

   procedure Close (File : in out Stream_Type)
      is abstract;

   procedure Create
     (File   :    out File_Type;
      Buffer : in     Stream_Access);
   pragma Inline (Create);
   --  Create the resource from user defined resource.


private

   type Stream_Type is abstract new Resources.File_Tagged with null record;

end AWS.Resources.Streams;