157 lines
4.5 KiB
C++
157 lines
4.5 KiB
C++
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/* Copyright 2023 Joaquin M Lopez Munoz.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* See https://www.boost.org/libs/unordered for library home page.
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*/
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#ifndef BOOST_UNORDERED_DETAIL_SERIALIZE_FCA_CONTAINER_HPP
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#define BOOST_UNORDERED_DETAIL_SERIALIZE_FCA_CONTAINER_HPP
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#include <boost/unordered/detail/serialize_container.hpp>
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#if defined(BOOST_UNORDERED_ENABLE_SERIALIZATION_COMPATIBILITY_V0)
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#define BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER \
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<boost/serialization/archive_input_unordered_map.hpp>
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#include BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#undef BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#define BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER \
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<boost/serialization/archive_input_unordered_set.hpp>
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#include BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#undef BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#define BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER \
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<boost/serialization/unordered_collections_load_imp.hpp>
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#include BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#undef BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#define BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER \
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<boost/serialization/utility.hpp>
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#include BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#undef BOOST_UNORDERED_BLOCK_BOOSTDEP_HEADER
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#include <boost/unordered/unordered_map_fwd.hpp>
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#include <boost/unordered/unordered_set_fwd.hpp>
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#else
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#include <boost/throw_exception.hpp>
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#include <stdexcept>
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#endif
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namespace boost{
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namespace unordered{
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namespace detail{
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/* Support for boost::unordered_[multi](map|set) loading from legacy archives.
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* Until Boost 1.84, serialization of these containers was provided from
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* Boost.Serialization via boost/serialization/boost_unordered_(map|set).hpp,
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* from that release on support is native in Boost.Unordered. To enable legacy
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* archive loading, BOOST_UNORDERED_ENABLE_SERIALIZATION_COMPATIBILITY_V0
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* must be defined (it implies header dependency from Boost.Serialization).
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*/
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#if defined(BOOST_UNORDERED_ENABLE_SERIALIZATION_COMPATIBILITY_V0)
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template<typename Archive,typename Container>
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struct archive_input;
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template<
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typename Archive,typename K,typename T,typename H,typename P,typename A
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>
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struct archive_input<Archive,boost::unordered_map<K,T,H,P,A> >:
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boost::serialization::stl::archive_input_unordered_map<
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Archive,
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boost::unordered_map<K,T,H,P,A>
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>
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{};
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template<
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typename Archive,typename K,typename T,typename H,typename P,typename A
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>
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struct archive_input<Archive,boost::unordered_multimap<K,T,H,P,A> >:
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boost::serialization::stl::archive_input_unordered_multimap<
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Archive,
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boost::unordered_multimap<K,T,H,P,A>
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>
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{};
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template<
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typename Archive,typename K,typename H,typename P,typename A
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>
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struct archive_input<Archive,boost::unordered_set<K,H,P,A> >:
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boost::serialization::stl::archive_input_unordered_set<
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Archive,
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boost::unordered_set<K,H,P,A>
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>
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{};
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template<
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typename Archive,typename K,typename H,typename P,typename A
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>
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struct archive_input<Archive,boost::unordered_multiset<K,H,P,A> >:
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boost::serialization::stl::archive_input_unordered_multiset<
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Archive,
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boost::unordered_multiset<K,H,P,A>
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>
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{};
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#else
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struct legacy_archive_exception:std::runtime_error
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{
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legacy_archive_exception():std::runtime_error(
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"Legacy archive detected, define "
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"BOOST_UNORDERED_ENABLE_SERIALIZATION_COMPATIBILITY_V0 to load"){}
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};
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#endif
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template<typename Container,bool IsSaving>
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struct load_or_save_fca_container;
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template<typename Container>
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struct load_or_save_fca_container<Container,true> /* save */
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{
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template<typename Archive>
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void operator()(Archive& ar,Container& x,unsigned int version)const
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{
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serialize_container(ar,x,version);
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}
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};
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template<typename Container>
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struct load_or_save_fca_container<Container,false> /* load */
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{
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template<typename Archive>
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void operator()(Archive& ar,Container& x,unsigned int version)const
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{
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if(version==0){
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#if defined(BOOST_UNORDERED_ENABLE_SERIALIZATION_COMPATIBILITY_V0)
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boost::serialization::stl::load_unordered_collection<
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Archive,Container,archive_input<Archive,Container>
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>(ar,x);
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#else
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throw_exception(legacy_archive_exception());
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#endif
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}
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else{
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serialize_container(ar,x,version);
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}
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}
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};
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template<typename Archive,typename Container>
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void serialize_fca_container(Archive& ar,Container& x,unsigned int version)
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{
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load_or_save_fca_container<Container,Archive::is_saving::value>()(
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ar,x,version);
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}
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} /* namespace detail */
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} /* namespace unordered */
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} /* namespace boost */
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#endif
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