mmdeploy/csrc/core/archive.h

109 lines
3.3 KiB
C++

// Copyright (c) OpenMMLab. All rights reserved.
#ifndef MMDEPLOY_SRC_CORE_ARCHIVE_H_
#define MMDEPLOY_SRC_CORE_ARCHIVE_H_
#include "core/logger.h"
#include "core/serialization.h"
namespace mmdeploy {
template <typename T, typename A>
using member_load_t = decltype(std::declval<T&>().load(std::declval<A&>()));
template <typename T, typename A>
using member_save_t = decltype(std::declval<T&>().save(std::declval<A&>()));
template <typename T, typename A>
using member_serialize_t = decltype(std::declval<T&>().serialize(std::declval<A&>()));
template <typename T, typename A>
using has_member_load = detail::is_detected<member_load_t, T, A>;
template <typename T, typename A>
using has_member_save = detail::is_detected<member_save_t, T, A>;
template <typename T, typename A>
using has_member_serialize = detail::is_detected<member_serialize_t, T, A>;
template <typename T, typename A>
using adl_load_t = decltype(adl_serializer<T>::load(std::declval<A&>(), std::declval<T&>()));
template <typename T, typename A>
using has_adl_load = detail::is_detected<adl_load_t, T, A>;
template <typename T, typename A>
using adl_save_t = decltype(adl_serializer<T>::save(std::declval<A&>(), std::declval<T&>()));
template <typename T, typename A>
using has_adl_save = detail::is_detected<adl_save_t, T, A>;
template <typename T, typename A>
using adl_serialize_t =
decltype(adl_serializer<T>::serialize(std::declval<A&>(), std::declval<T&>()));
template <typename T, typename A>
using has_adl_serialize = detail::is_detected<adl_serialize_t, T, A>;
namespace detail {
// ADL bridge for archives
class ArchiveBase {};
} // namespace detail
template <typename Archive>
class OutputArchive : public detail::ArchiveBase {
public:
template <typename... Args>
void operator()(Args&&... args) {
(dispatch(std::forward<Args>(args)), ...);
}
private:
template <typename T>
void dispatch(T&& v) {
auto& archive = static_cast<Archive&>(*this);
if constexpr (has_member_save<T, Archive>::value) {
std::forward<T>(v).save(archive);
} else if constexpr (has_member_serialize<T, Archive>::value) {
std::forward<T>(v).serialize(archive);
} else if constexpr (has_adl_save<T, Archive>::value) {
adl_serializer<T>::save(archive, std::forward<T>(v));
} else if constexpr (has_adl_serialize<T, Archive>::value) {
adl_serializer<T>::serialize(archive, std::forward<T>(v));
} else {
archive.native(std::forward<T>(v));
}
}
};
template <typename Archive>
class InputArchive : public detail::ArchiveBase {
public:
template <typename... Args>
void operator()(Args&&... args) {
(dispatch(std::forward<Args>(args)), ...);
}
private:
template <typename T>
void dispatch(T&& v) {
auto& archive = static_cast<Archive&>(*this);
if constexpr (has_member_load<T, Archive>::value) {
std::forward<T>(v).load(archive);
} else if constexpr (has_member_serialize<T, Archive>::value) {
std::forward<T>(v).serialize(archive);
} else if constexpr (has_adl_load<T, Archive>::value) {
adl_serializer<T>::load(archive, std::forward<T>(v));
} else if constexpr (has_adl_serialize<T, Archive>::value) {
adl_serializer<T>::serialize(archive, std::forward<T>(v));
} else {
archive.native(std::forward<T>(v));
}
}
};
} // namespace mmdeploy
#endif // MMDEPLOY_SRC_CORE_ARCHIVE_H_