ListNParser.ih

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//
// Copyright (c) 2020 Fraunhofer Institute for Applied Information Technology (FIT)
//                    Network Research Group (NET)
//                    Schloss Birlinghoven, 53754 Sankt Augustin, GERMANY
//                    Contact: support@wiback.org
//
// This file is part of the SENF code tree.
// It is licensed under the 3-clause BSD License (aka New BSD License).
// See LICENSE.txt in the top level directory for details or visit
// https://opensource.org/licenses/BSD-3-Clause
//


/** \file
    \brief ListNParser internal header */

#ifndef IH_SENF_Packets_ListNParser_
#define IH_SENF_Packets_ListNParser_ 1

// Custom includes
#include "ListParser.ih"

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

namespace senf {
namespace detail {

    /** \brief Internal: ListPolicy defining the ListNParser parser
        \internal
        \see \ref ListParser
     */
    template <class ElementParser, class AuxPolicy>
    struct ListNParser_Policy
        : public AuxPolicy
    {
        typedef ListNParser_Policy<
            ElementParser, typename AuxPolicy::ParserPolicy> parser_policy;
        typedef ListNParser_Policy<
            ElementParser, typename AuxPolicy::WrapperPolicy> container_policy;
        typedef PacketParserBase::data_iterator data_iterator;
        typedef PacketParserBase::state_type state_type;
        typedef PacketParserBase::size_type size_type;
        typedef ElementParser element_type;
        typedef ListParser<parser_policy> parser_type;
        typedef ListParser_Container<container_policy> container_type;

        static const size_type init_bytes = AuxPolicy::aux_bytes;

        ListNParser_Policy();
        template <class Arg> ListNParser_Policy(Arg const & aux);
        ListNParser_Policy(parser_policy const & policy);

        size_type bytes  (data_iterator i, state_type s) const;
        size_type size   (data_iterator i, state_type s) const;
        void      init   (data_iterator i, state_type s) const;

        void      construct (container_type & c) const;
        void      destruct  (container_type & c) const;
        void      erase     (container_type & c, data_iterator p) const;
        void      insert    (container_type & c, data_iterator p) const;
        void      update    (container_type const & c) const;

        /** Internal: ListNParser iterator specific data */
        struct iterator_data {
            size_type n_;
        };

        data_iterator setBegin        (container_type const & c, iterator_data & d) const;
        data_iterator setEnd          (container_type const & c, iterator_data & d) const;
        void          setFromPosition (container_type const & c, iterator_data & d, data_iterator p) const;
        data_iterator next            (container_type const & c, iterator_data & d) const;
        data_iterator raw             (container_type const & c, iterator_data const & d) const;
    };

#ifndef DOXYGEN

    template <class ElementParser, class AuxPolicy>
    struct ListParserPolicy<ElementParser, AuxPolicy, senf::detail::auxtag::none>
    {
        typedef ListNParser_Policy<ElementParser, AuxPolicy> type;
    };

    template <class ElementParser, class AuxPolicy, class Transform>
    struct ListParserPolicy<ElementParser, AuxPolicy,
                            senf::detail::auxtag::transform<Transform,
                                                            senf::detail::auxtag::none> >
    {
        typedef ListNParser_Policy< ElementParser,
                                    TransformAuxParserPolicy<AuxPolicy, Transform> > type;
    };

#endif

}}

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


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