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Add boost::core::split_member

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This commit is contained in:
Peter Dimov
2023-02-20 21:00:26 +02:00
parent 7664d7ab7e
commit 38037b45f1
4 changed files with 109 additions and 5 deletions
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42
include/boost/core/serialization.hpp
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@@ -27,6 +27,8 @@ namespace serialization
template<class T> struct version;
class access;
// Our own version_type replacement. This has to be in
// the `serialization` namespace, because its only purpose
// is to add `serialization` as an associated namespace.
@@ -54,17 +56,17 @@ using serialization::make_nvp;
namespace detail
{
template<bool IsSaving> struct load_or_save;
template<bool IsSaving> struct load_or_save_f;
template<> struct load_or_save<true>
template<> struct load_or_save_f<true>
{
template<class A, class T> void operator()( A& a, T& t, unsigned int v ) const
{
save( a, t, serialization::core_version_type( v ) );
save( a, t, serialization::core_version_type( v ) );
}
};
template<> struct load_or_save<false>
template<> struct load_or_save_f<false>
{
template<class A, class T> void operator()( A& a, T& t, unsigned int v ) const
{
@@ -76,7 +78,37 @@ template<> struct load_or_save<false>
template<class A, class T> inline void split_free( A& a, T& t, unsigned int v )
{
detail::load_or_save< A::is_saving::value >()( a, t, v );
detail::load_or_save_f< A::is_saving::value >()( a, t, v );
}
// split_member
namespace detail
{
template<bool IsSaving, class Access = serialization::access> struct load_or_save_m;
template<class Access> struct load_or_save_m<true, Access>
{
template<class A, class T> void operator()( A& a, T const& t, unsigned int v ) const
{
Access::member_save( a, t, v );
}
};
template<class Access> struct load_or_save_m<false, Access>
{
template<class A, class T> void operator()( A& a, T& t, unsigned int v ) const
{
Access::member_load( a, t, v );
}
};
} // namespace detail
template<class A, class T> inline void split_member( A& a, T& t, unsigned int v )
{
detail::load_or_save_m< A::is_saving::value >()( a, t, v );
}
} // namespace core