command_interface.h

//  (C) Copyright 2009-2011 Vit Kasal
//
//  Distributed under the Boost Software License, Version 1.0.
//  (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#pragma once

#include "si_constants.h"
#include <boost/shared_ptr.hpp>
#include <boost/function.hpp>
#include <boost/shared_array.hpp>

#include <cstddef>

namespace si
{
	struct command_interface
	{
		typedef boost::shared_ptr<command_interface> pointer;
		typedef boost::function<void(const boost::uint8_t*,const std::size_t)> writer_type;
		typedef boost::uint8_t id_type;
		typedef boost::shared_array<boost::uint8_t> data_type;

		virtual id_type get_id(protocols::id<>::value_type protocol = protocols::id<>::value) = 0;
		virtual void get_data(std::size_t &size, data_type& data, protocols::id<>::value_type protocol = protocols::id<>::value) = 0;
		//      virtual void write(writer_type writer, protocols::id<>::value_type protocol) = 0;
		virtual std::size_t get_size(protocols::id<>::value_type protocol = protocols::id<>::value) = 0;
		virtual bool is_control_sequence() = 0;
		//      virtual bool can_accept_data(std::size_t size, data_type data) = 0;
		virtual bool accept_data(std::size_t size, data_type data) = 0;
		virtual ~command_interface(){}

	};
}//namespace si