File : src/aws-resources-embedded.ads


------------------------------------------------------------------------------
--                              Ada Web Server                              --
--                                                                          --
--                         Copyright (C) 2002-2003                          --
--                                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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--  As a special exception, if other files instantiate generics from this   --
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--  this  unit  does not  by itself cause  the resulting executable to be   --
--  covered by the GNU General Public License. This exception does not      --
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--  covered by the  GNU Public License.                                     --
------------------------------------------------------------------------------

--  $Id: aws-resources-embedded.ads,v 1.7 2003/07/03 16:58:44 obry Exp $

with Ada.Streams;

package AWS.Resources.Embedded is

   use Ada;

   type Buffer_Access is access constant Streams.Stream_Element_Array;

   procedure Open
     (File :    out File_Type;
      Name : in     String;
      Form : in     String    := "");
   --  Open resource from registered data.

   procedure Create
     (File   :    out File_Type;
      Buffer : in     Buffer_Access);
   --  Create the resource directly from memory data.

   function Is_Regular_File (Name : in String) return Boolean;

   function File_Size
     (Name : in String)
      return Ada.Streams.Stream_Element_Offset;

   function File_Timestamp (Name : in String) return Ada.Calendar.Time;

   procedure Register
     (Name      : in String;
      Content   : in Buffer_Access;
      File_Time : in Calendar.Time);
   --  Register a new file named Named into the embedded resources. The file
   --  content is pointed to by Content, the File_Time must be that last
   --  modification time stamp for the file.

   function Exists (Name : in String) return Boolean;
   pragma Inline (Exists);
   --  Returns True if file named Name has been registered (i.e. it is an
   --  in-memory file).

private

   type File_Tagged is new Resources.File_Tagged with record
      Buffer : Buffer_Access;
      K      : Streams.Stream_Element_Offset;
   end record;

   function End_Of_File (Resource : in File_Tagged) return Boolean;

   procedure Read
     (Resource : in out File_Tagged;
      Buffer   :    out Stream_Element_Array;
      Last     :    out Stream_Element_Offset);

   function Size (Resource : in File_Tagged) return Stream_Element_Offset;

   procedure Close (Resource : in out File_Tagged);

end AWS.Resources.Embedded;