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40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
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#ifndef NETGEN_REGISTER_ARCHIVE_HPP
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#define NETGEN_REGISTER_ARCHIVE_HPP
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#ifdef NETGEN_PYTHON
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#include <pybind11/pybind11.h>
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#include <pybind11/cast.h>
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#endif // NETGEN_PYTHON
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#include "archive.hpp"
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namespace ngcore {
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template<typename T, typename ... Bases>
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class RegisterClassForArchive
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{
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public:
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RegisterClassForArchive()
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{
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static_assert(detail::all_of_tmpl<std::is_base_of<Bases,T>::value...>,
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"Variadic template arguments must be base classes of T");
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detail::ClassArchiveInfo info {};
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info.creator = [](const std::type_info& ti) -> void*
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{ return typeid(T) == ti ? detail::constructIfPossible<T>()
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: Archive::Caster<T, Bases...>::tryUpcast(ti, detail::constructIfPossible<T>()); };
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info.upcaster = [/*this*/](const std::type_info& ti, void* p) -> void*
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{ return typeid(T) == ti ? p : Archive::Caster<T, Bases...>::tryUpcast(ti, static_cast<T*>(p)); };
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info.downcaster = [/*this*/](const std::type_info& ti, void* p) -> void*
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{ return typeid(T) == ti ? p : Archive::Caster<T, Bases...>::tryDowncast(ti, p); };
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#ifdef NETGEN_PYTHON
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info.anyToPyCaster = [](const std::any& a)
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{
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const T* val = std::any_cast<T>(&a);
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return pybind11::cast(val); };
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#endif // NETGEN_PYTHON
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Archive::SetArchiveRegister(std::string(Demangle(typeid(T).name())),info);
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}
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};
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} // namespace ngcore
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#endif // NETGEN_REGISTER_ARCHIVE_HPP
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