// $Id$
//
// Copyright (C) 2010
// Fraunhofer Institute for Open Communication Systems (FOKUS)
// Competence Center NETwork research (NET), St. Augustin, GERMANY
//     Thorsten Horstmann <tho@berlios.de>
//
// This program 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 program 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 program; if not, write to the
// Free Software Foundation, Inc.,
// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

/** \file
    \brief MIH Message-Registry internal header */

#ifndef IH_SENF_Packets_80221Bundle_MIHMessageRegistry_
#define IH_SENF_Packets_80221Bundle_MIHMessageRegistry_ 1

// Custom includes

//-/////////////////////////////////////////////////////////////////////////////////////////////////
namespace senf {

    namespace detail {

        template<class T, typename Signature>
        struct has_static_validate_member
        {
            template<Signature *>
            struct helper;

            template<class U>
            static char test(helper<&U::validate> *);

            template<class U>
            static char (&test(...))[2];

            static const bool value = sizeof(test<T>(0))==1;
        };


        struct MIHMessageRegistry_EntryBase {
            virtual ~MIHMessageRegistry_EntryBase() {}
            virtual void validate(senf::Packet message) const = 0;
        };


        template <class MIHPacket,
            bool use_validate_member = has_static_validate_member<typename MIHPacket::type, void(MIHPacket)>::value>
        struct MIHMessageRegistryEntry : MIHMessageRegistry_EntryBase
        {
            virtual void validate(senf::Packet message) const {}
        };

        template <class MIHPacket>
        struct MIHMessageRegistryEntry<MIHPacket, true> : MIHMessageRegistry_EntryBase
        {
            virtual void validate(senf::Packet message) const;
        };

    }
}
//-/////////////////////////////////////////////////////////////////////////////////////////////////
#endif



// Local Variables:
// mode: c++
// fill-column: 100
// c-file-style: "senf"
// indent-tabs-mode: nil
// ispell-local-dictionary: "american"
// compile-command: "scons -u test"
// comment-column: 40
// End: