------------------------------------------------------------------------------
--                                                                          --
--                            Matreshka Project                             --
--                                                                          --
--                               Web Framework                              --
--                                                                          --
--                        Runtime Library Component                         --
--                                                                          --
------------------------------------------------------------------------------
--                                                                          --
-- Copyright © 2010, Vadim Godunko <vgodunko@gmail.com>                     --
-- All rights reserved.                                                     --
--                                                                          --
-- Redistribution and use in source and binary forms, with or without       --
-- modification, are permitted provided that the following conditions       --
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--  * Redistributions of source code must retain the above copyright        --
--    notice, this list of conditions and the following disclaimer.         --
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--  * Redistributions in binary form must reproduce the above copyright     --
--    notice, this list of conditions and the following disclaimer in the   --
--    documentation and/or other materials provided with the distribution.  --
--                                                                          --
--  * Neither the name of the Vadim Godunko, IE nor the names of its        --
--    contributors may be used to endorse or promote products derived from  --
--    this software without specific prior written permission.              --
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-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS      --
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-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR    --
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------------------------------------------------------------------------------
--  $Revision: 1380 $ $Date: 2011-02-03 22:51:04 +0300 (Thu, 03 Feb 2011) $
------------------------------------------------------------------------------
with Ada.Streams;

with League.Stream_Element_Vectors;
with League.Strings;
private with Matreshka.FastCGI;

package FastCGI.Replies is

--   pragma Preelaborate;

   type Reply is tagged limited private;

   function Has_Raw_Header
    (Self : Reply;
     Name : League.Stream_Element_Vectors.Stream_Element_Vector)
       return Boolean;

   function Raw_Header
    (Self : Reply;
     Name : League.Stream_Element_Vectors.Stream_Element_Vector)
       return League.Stream_Element_Vectors.Stream_Element_Vector;

   procedure Set_Raw_Header
    (Self  : in out Reply;
     Name  : League.Stream_Element_Vectors.Stream_Element_Vector;
     Value : League.Stream_Element_Vectors.Stream_Element_Vector);

   procedure Set_Content_Type
    (Self  : in out Reply;
     Value : League.Strings.Universal_String);

   function Stream
    (Self : Reply)
       return not null access Ada.Streams.Root_Stream_Type'Class;
   --  Returns stream to write reply's data to server.

   function Error_Stream
    (Self : Reply)
       return not null access Ada.Streams.Root_Stream_Type'Class;
   --  Returns stream to read error data to server.

private

   type Output_Stream is new Ada.Streams.Root_Stream_Type with record
      Descriptor : Matreshka.FastCGI.Descriptor_Access;
   end record;

   type Output_Stream_Access is access all Output_Stream;

   overriding procedure Read
    (Self : in out Output_Stream;
     Item : out Ada.Streams.Stream_Element_Array;
     Last : out Ada.Streams.Stream_Element_Offset);

   overriding procedure Write
    (Self : in out Output_Stream;
     Item : Ada.Streams.Stream_Element_Array);

   type Reply is tagged limited record
      Descriptor : Matreshka.FastCGI.Descriptor_Access;
      Out_Stream : Output_Stream_Access;
   end record;

end FastCGI.Replies;
