// $Id$
//
// Copyright (C) 2007
// Fraunhofer Institute for Open Communication Systems (FOKUS)
//
// The contents of this file are subject to the Fraunhofer FOKUS Public License
// Version 1.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at 
// http://senf.berlios.de/license.html
//
// The Fraunhofer FOKUS Public License Version 1.0 is based on, 
// but modifies the Mozilla Public License Version 1.1.
// See the full license text for the amendments.
//
// Software distributed under the License is distributed on an "AS IS" basis, 
// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
// for the specific language governing rights and limitations under the License.
//
// The Original Code is Fraunhofer FOKUS code.
//
// The Initial Developer of the Original Code is Fraunhofer-Gesellschaft e.V. 
// (registered association), Hansastraße 27 c, 80686 Munich, Germany.
// All Rights Reserved.
//
// Contributor(s):
//   Stefan Bund <g0dil@berlios.de>

/** \file
    \brief Packet non-inline template implementation  */

//#include "Packet.ih"

// Custom includes

#define prefix_
//-/////////////////////////////////////////////////////////////////////////////////////////////////

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::Packet

template <class OtherPacket>
prefix_ OtherPacket senf::Packet::find(NoThrow_t)
    const
{
    Packet p (*this);
    while (p && ! p.is<OtherPacket>())
        p = p.next(nothrow);
    if (p)
        return p.as<OtherPacket>();
    else
        return OtherPacket();
}

template <class OtherPacket>
prefix_ OtherPacket senf::Packet::rfind(NoThrow_t)
    const
{
    Packet p (*this);
    while (p && ! p.is<OtherPacket>())
        p = p.prev(nothrow);
    if (p)
        return p.as<OtherPacket>();
    else
        return OtherPacket();
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
// senf::ConcretePacket<PacketType>

template <class PacketType>
template <class OtherPacket>
prefix_ OtherPacket senf::ConcretePacket<PacketType>::next(NoThrow_t)
    const
{
    PacketInterpreterBase::ptr p (Packet::ptr()->next());
    if (p)
        return (p->typeId() == typeIdValue<OtherPacket>()) ?
                OtherPacket(p->as<typename OtherPacket::type>()) : OtherPacket();
    PacketInterpreterBase::optional_range r (type::nextPacketRange(*this));
    if (r && ! r->empty()) {
        PacketInterpreterBase::ptr nxt (getNext(r));
        if (nxt && nxt->typeId() == typeIdValue<OtherPacket>())
            return OtherPacket(nxt->as<typename OtherPacket::type>());
    }
    return OtherPacket();
}

//-/////////////////////////////////////////////////////////////////////////////////////////////////
#undef prefix_

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