// $Id$
//
// 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 ListParser internal header */

#ifndef IH_SENF_Packets_ListParser_
#define IH_SENF_Packets_ListParser_ 1

// Custom includes
#include <boost/iterator/iterator_facade.hpp>

//-/////////////////////////////////////////////////////////////////////////////////////////////////

namespace senf {
namespace detail {

    /** \brief Internal: Iterator used by ListParser

        \internal
     */
    template <class Container>
    class ListParser_Iterator
        : public boost::iterator_facade< ListParser_Iterator<Container>,
                                         typename Container::value_type,
                                         boost::forward_traversal_tag,
                                         typename Container::value_type >,
#ifndef DOXYGEN
          private Container::policy::iterator_data
#endif
    {
    public:
        typedef typename Container::value_type value_type;

        ListParser_Iterator();
        explicit ListParser_Iterator(Container const & c);

        PacketParserBase::data_iterator raw() const;
        PacketParserBase::data_iterator i() const;

        static ListParser_Iterator & get(typename Container::policy::iterator_data & d);
        static ListParser_Iterator const & get(typename Container::policy::iterator_data const & d);

    private:
        friend class boost::iterator_core_access;
        friend class ListParser_Container<typename Container::policy>;

        value_type dereference() const;
        bool equal(ListParser_Iterator const & other) const;
        void increment();

        PacketParserBase::data_iterator i_;
        Container const * c_;
    };

#ifndef DOXYGEN

    template <class ElementParser, class AuxPolicy, class AuxTag>
    struct ListParserPolicy
    {};

    template <class ElementParser>
    struct ListParserTraits
    {
        template <class AuxPolicy, class AuxTag>
        struct parser {
            typedef senf::ListParser<
                typename ListParserPolicy<ElementParser, AuxPolicy, AuxTag>::type > type;
        };
    };

#   define SENF_PARSER_LIST_I(access, name, size, elt_type)                                       \
        SENF_PARSER_REQUIRE_VAR(list)                                                             \
            SENF_PARSER_COLLECTION_I( access,                                                     \
                                      name,                                                       \
                                      size,                                                       \
                                      senf::detail::ListParserTraits<elt_type> )

#endif

}}

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

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