forked from boostorg/core
86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
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#ifndef BOOST_CORE_SERIALIZATION_HPP_INCLUDED
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#define BOOST_CORE_SERIALIZATION_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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// Copyright 2023 Peter Dimov
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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//
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// Utilities needed to implement serialization support
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// without including a Boost.Serialization header
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#include <boost/core/nvp.hpp>
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#include <cstddef>
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namespace boost
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{
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namespace serialization
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{
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// Forward declarations (needed for specializations)
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template<class T> struct version;
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// Our own version_type replacement. This has to be in
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// the `serialization` namespace, because its only purpose
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// is to add `serialization` as an associated namespace.
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struct core_version_type
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{
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unsigned int version_;
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core_version_type( unsigned int version ): version_( version ) {}
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operator unsigned int () const { return version_; }
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};
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} // namespace serialization
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namespace core
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{
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// nvp
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using serialization::nvp;
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using serialization::make_nvp;
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// split_free
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namespace detail
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{
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template<bool IsSaving> struct load_or_save;
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template<> struct load_or_save<true>
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{
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template<class A, class T> void operator()( A& a, T& t, unsigned int v ) const
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{
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save( a, t, serialization::core_version_type( v ) );
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}
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};
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template<> struct load_or_save<false>
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{
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template<class A, class T> void operator()( A& a, T& t, unsigned int v ) const
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{
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load( a, t, serialization::core_version_type( v ) );
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}
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};
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} // namespace detail
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template<class A, class T> inline void split_free( A& a, T& t, unsigned int v )
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{
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detail::load_or_save< A::is_saving::value >()( a, t, v );
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}
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} // namespace core
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} // namespace boost
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#endif // #ifndef BOOST_CORE_SERIALIZATION_HPP_INCLUDED
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