1 #ifndef SERIALIZE_META_HH
2 #define SERIALIZE_META_HH
31 template<
typename TUPLE>
33 auto makeT = [](
auto&& ...args) {
34 return std::make_unique<T>(std::forward<decltype(args)>(args)...);
36 return std::apply(makeT, tuple);
47 template<
typename T>
struct ClassSaver;
50 template<
typename T>
struct NonPolymorphicPointerLoader;
52 template<
typename T>
struct ClassLoader;
71 return std::tuple<>();
78 static_assert(std::is_same_v<TUPLEIn, TUPLEOut>,
79 "constructor argument types must match");
99 : std::conditional_t<std::is_same<std::tuple<>,
100 typename PolymorphicConstructorArgs<Derived>::type>::value,
101 MapConstrArgsEmpty<Base>,
102 MapConstrArgsCopy<Base, Derived>> {};
112 void polyInitError(
const char* expected,
const char* actual);
114 template<
typename Archive>
125 static_assert(std::is_polymorphic_v<T>,
126 "must be a polymorphic type");
127 static_assert(!std::is_abstract_v<T>,
128 "can't be an abstract type");
129 registerHelper(
typeid(T), [name](Archive& ar,
const void* v) {
131 auto base =
static_cast<const BaseType*
>(v);
132 auto tp =
static_cast<const T*
>(base);
134 saver(ar, *tp,
true, name,
true);
138 template<
typename T>
static void save(Archive& ar, T*
t)
142 template<
typename T>
static void save(
const char* tag, Archive& ar, T&
t)
144 save(tag, ar, &
t,
typeid(
t));
151 using SaveFunction = std::function<void(Archive&,
const void*)>;
152 void registerHelper(
const std::type_info& type,
154 static void save(Archive& ar,
const void*
t,
155 const std::type_info& typeInfo);
156 static void save(
const char* tag, Archive& ar,
const void*
t,
157 const std::type_info& typeInfo);
160 std::type_index index;
163 std::vector<Entry> saverMap;
164 bool initialized =
false;
167 template<
typename Archive>
178 static_assert(std::is_polymorphic_v<T>,
179 "must be a polymorphic type");
180 static_assert(!std::is_abstract_v<T>,
181 "can't be an abstract type");
182 registerHelper(name, [](Archive& ar,
unsigned id,
const void* args) {
186 auto& argsIn = *
static_cast<const TUPLEIn*
>(args);
188 TUPLEOut argsOut = mapArgs(argsIn);
190 return loader(ar,
id, argsOut);
194 static void*
load(Archive& ar,
unsigned id,
const void* args);
200 using LoadFunction = std::function<
void*(Archive&, unsigned,
const void*)>;
201 void registerHelper(
const char* name, LoadFunction loader);
206 template<
typename Archive>
217 static_assert(std::is_polymorphic_v<T>,
218 "must be a polymorphic type");
219 static_assert(!std::is_abstract_v<T>,
220 "can't be an abstract type");
221 registerHelper(name, [](Archive& ar,
void* v,
unsigned id) {
223 auto base =
static_cast<BaseType*
>(v);
224 if (
dynamic_cast<T*
>(base) !=
static_cast<T*
>(base)) [[unlikely]] {
227 auto t =
static_cast<T*
>(base);
229 loader(ar, *
t, std::tuple<>(),
id);
233 static void init(
const char* tag, Archive& ar,
void*
t);
239 using InitFunction = std::function<void(Archive&,
void*,
unsigned)>;
240 void registerHelper(
const char* name, InitFunction initializer);
251 template registerClass<T>(name);
259 template registerClass<T>(name);
267 template registerClass<T>(name);
271 #define REGISTER_CONSTRUCTOR_ARGS_0(C) \
272 template<> struct PolymorphicConstructorArgs<C> \
273 { using type = std::tuple<>; };
275 #define REGISTER_CONSTRUCTOR_ARGS_1(C,T1) \
276 template<> struct PolymorphicConstructorArgs<C> \
277 { using type = std::tuple<T1>; };
279 #define REGISTER_CONSTRUCTOR_ARGS_2(C,T1,T2) \
280 template<> struct PolymorphicConstructorArgs<C> \
281 { using type = std::tuple<T1,T2>; };
283 #define REGISTER_CONSTRUCTOR_ARGS_3(C,T1,T2,T3) \
284 template<> struct PolymorphicConstructorArgs<C> \
285 { using type = std::tuple<T1,T2,T3>; };
287 class MemInputArchive;
288 class MemOutputArchive;
289 class XmlInputArchive;
290 class XmlOutputArchive;
300 #define REGISTER_POLYMORPHIC_CLASS_HELPER(B,C,N) \
301 static_assert(std::is_base_of_v<B,C>, "must be base and sub class"); \
302 static RegisterLoaderHelper<MemInputArchive, C> registerHelper3##C(N); \
303 static RegisterSaverHelper <MemOutputArchive, C> registerHelper4##C(N); \
304 static RegisterLoaderHelper<XmlInputArchive, C> registerHelper5##C(N); \
305 static RegisterSaverHelper <XmlOutputArchive, C> registerHelper6##C(N); \
306 template<> struct PolymorphicBaseClass<C> { using type = B; };
308 #define REGISTER_POLYMORPHIC_INITIALIZER_HELPER(B,C,N) \
309 static_assert(std::is_base_of_v<B,C>, "must be base and sub class"); \
310 static RegisterInitializerHelper<MemInputArchive, C> registerHelper3##C(N); \
311 static RegisterSaverHelper <MemOutputArchive, C> registerHelper4##C(N); \
312 static RegisterInitializerHelper<XmlInputArchive, C> registerHelper5##C(N); \
313 static RegisterSaverHelper <XmlOutputArchive, C> registerHelper6##C(N); \
314 template<> struct PolymorphicBaseClass<C> { using type = B; };
316 #define REGISTER_BASE_NAME_HELPER(B,N) \
317 template<> struct BaseClassName<B> \
318 { static const char* getName() { static constexpr const char* const name = N; return name; } };
323 #define REGISTER_POLYMORPHIC_CLASS(BASE,CLASS,NAME) \
324 REGISTER_POLYMORPHIC_CLASS_HELPER(BASE,CLASS,NAME) \
325 REGISTER_CONSTRUCTOR_ARGS_0(CLASS)
327 #define REGISTER_POLYMORPHIC_CLASS_1(BASE,CLASS,NAME,TYPE1) \
328 REGISTER_POLYMORPHIC_CLASS_HELPER(BASE,CLASS,NAME) \
329 REGISTER_CONSTRUCTOR_ARGS_1(CLASS,TYPE1)
331 #define REGISTER_POLYMORPHIC_CLASS_2(BASE,CLASS,NAME,TYPE1,TYPE2) \
332 REGISTER_POLYMORPHIC_CLASS_HELPER(BASE,CLASS,NAME) \
333 REGISTER_CONSTRUCTOR_ARGS_2(CLASS,TYPE1,TYPE2)
335 #define REGISTER_POLYMORPHIC_CLASS_3(BASE,CLASS,NAME,TYPE1,TYPE2,TYPE3) \
336 REGISTER_POLYMORPHIC_CLASS_HELPER(BASE,CLASS,NAME) \
337 REGISTER_CONSTRUCTOR_ARGS_3(CLASS,TYPE1,TYPE2,TYPE3)
339 #define REGISTER_BASE_CLASS(CLASS,NAME) \
340 REGISTER_BASE_NAME_HELPER(CLASS,NAME) \
341 REGISTER_CONSTRUCTOR_ARGS_0(CLASS)
343 #define REGISTER_BASE_CLASS_1(CLASS,NAME,TYPE1) \
344 REGISTER_BASE_NAME_HELPER(CLASS,NAME) \
345 REGISTER_CONSTRUCTOR_ARGS_1(CLASS,TYPE1)
347 #define REGISTER_BASE_CLASS_2(CLASS,NAME,TYPE1,TYPE2) \
348 REGISTER_BASE_NAME_HELPER(CLASS,NAME) \
349 REGISTER_CONSTRUCTOR_ARGS_2(CLASS,TYPE1,TYPE2)
351 #define REGISTER_BASE_CLASS_3(CLASS,NAME,TYPE1,TYPE2,TYPE3) \
352 REGISTER_BASE_NAME_HELPER(CLASS,NAME) \
353 REGISTER_CONSTRUCTOR_ARGS_3(CLASS,TYPE1,TYPE2,TYPE3)
356 #define REGISTER_POLYMORPHIC_INITIALIZER(BASE,CLASS,NAME) \
357 REGISTER_POLYMORPHIC_INITIALIZER_HELPER(BASE,CLASS,NAME)
378 static constexpr
unsigned value = 1;
380 #define SERIALIZE_CLASS_VERSION(CLASS, VERSION) \
381 template<> struct SerializeClassVersion<CLASS> \
383 static constexpr unsigned value = VERSION; \
static void init(const char *tag, Archive &ar, void *t)
PolymorphicInitializerRegistry(const PolymorphicInitializerRegistry &)=delete
PolymorphicInitializerRegistry & operator=(const PolymorphicInitializerRegistry &)=delete
static PolymorphicInitializerRegistry & instance()
void registerClass(const char *name)
static PolymorphicLoaderRegistry & instance()
void registerClass(const char *name)
static void * load(Archive &ar, unsigned id, const void *args)
PolymorphicLoaderRegistry(const PolymorphicLoaderRegistry &)=delete
PolymorphicLoaderRegistry & operator=(const PolymorphicLoaderRegistry &)=delete
PolymorphicSaverRegistry(const PolymorphicSaverRegistry &)=delete
static PolymorphicSaverRegistry & instance()
PolymorphicSaverRegistry & operator=(const PolymorphicSaverRegistry &)=delete
static void save(const char *tag, Archive &ar, T &t)
void registerClass(const char *name)
static void save(Archive &ar, T *t)
This file implemented 3 utility functions:
void polyInitError(const char *expected, const char *actual)
Stores the name of a base class.
Utility to do T* t = new T(...)
std::unique_ptr< T > operator()(TUPLE tuple)
typename PolymorphicConstructorArgs< Base >::type TUPLEIn
TUPLEOut operator()(const TUPLEIn &t)
typename PolymorphicConstructorArgs< Derived >::type TUPLEOut
std::tuple operator()(const TUPLEIn &)
typename PolymorphicConstructorArgs< Base >::type TUPLEIn
Define mapping between constructor arg list of base- and subclass.
Store association between (polymorphic) sub- and baseclass.
Store association between polymorphic class (base- or subclass) and the list of constructor arguments...
RegisterInitializerHelper(const char *name)
RegisterLoaderHelper(const char *name)
RegisterSaverHelper(const char *name)
Store serialization-version number of a class.