-- --
-- package Copyright (c) Dmitry A. Kazakov --
-- GNAT.Sockets.MQTT.Streams Luebeck --
-- Interface Spring, 2016 --
-- --
-- Last revision : 20:01 04 Apr 2016 --
-- --
-- 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 the Free Software Foundation; either version 2 of --
-- the License, or (at your option) any later version. This library --
-- is distributed in the hope that it will be useful, but WITHOUT --
-- ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- General Public License for more details. You should have --
-- received a copy of the GNU General Public License along with --
-- this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from --
-- this unit, or you link this unit with other files to produce an --
-- executable, this unit does not by itself cause the resulting --
-- executable to be covered by the GNU General Public License. This --
-- exception does not however invalidate any other reasons why the --
-- executable file might be covered by the GNU Public License. --
--____________________________________________________________________--
package GNAT.Sockets.MQTT.Streams is
--
-- MQTT_Stream -- Stream interface to MQTT_Message
--
-- Message - The message to access
--
type MQTT_Stream (Message : access MQTT_Message'Class) is
new Root_Stream_Type with private;
--
-- Erase -- Start writing the message
--
-- Stream - The stream object
--
-- The message contents is erased. The first written element is the
-- first element of the message contents.
--
-- Exceptions :
--
-- Constraint_Error - Message is invalid
--
procedure Erase (Stream : in out MQTT_Stream);
--
-- Read -- Overriding Ada.Streams...
--
procedure Read
( Stream : in out MQTT_Stream;
Item : out Stream_Element_Array;
Last : out Stream_Element_Offset
);
--
-- Rewind -- Start reading the message
--
-- Stream - The stream object
--
-- The first read element is the first element of the message contents.
--
-- Exceptions :
--
-- Constraint_Error - Message is invalid
--
procedure Rewind (Stream : in out MQTT_Stream);
--
-- Write -- Overriding Ada.Streams...
--
procedure Write
( Stream : in out MQTT_Stream;
Item : Stream_Element_Array
);
private
type MQTT_Stream (Message : access MQTT_Message'Class) is
new Root_Stream_Type with
record
Position : Stream_Element_Offset := 0;
end record;
end GNAT.Sockets.MQTT.Streams;