zengine-old/engine/3rdparty/zlib/include/refl/refl.h
2024-04-25 21:45:41 +08:00

78 lines
2.5 KiB
C++

#pragma once
#include "detail/uclass.inl"
#include "detail/view.inl"
#include "detail/field.inl"
#include "detail/convert.inl"
#include "detail/meta.inl"
#include "std/sarray.h"
#include "macro.h"
namespace refl {
template<typename T, typename Obj>
consteval FieldPtr StaticMemberField(T Obj::* ptr, const Name& name, const MemberData& data = {}) {
Offset offset = data.value.IsValid() ? sizeof(T) : 0;
if (data.meta.IsValid()) {
offset += data.meta.Size();
}
FieldPtr::Data member(offset);
uint32_t flag = FIELD_MEMBER_FLAG | FIELD_ATTRIBUTE_FLAG;
return { name,&TypeInfo<T>::StaticClass, member,flag};
}
template<typename R, typename ...Args>
consteval FieldPtr StaticMethodField(R(*ptr)(Args...), const Name& name, const MethodData& data = {}) {
uint32_t flag = FIELD_METHOD_FLAG;
auto cls = &TypeInfo<real_type_t<R>(*)(real_type_t<Args>...)>::StaticClass;
Offset offset = AnyArgs::GetArgsSize(data.value, cls->GetParams());
if (data.meta.IsValid()) {
offset += data.meta.Size();
}
FieldPtr::Data method(offset);
return { name,cls,method, flag };
}
template<typename T, typename R, typename ...Args>
consteval FieldPtr StaticMethodField(R(T::* ptr)(Args...), const Name& name, const MethodData& data = {}) {
uint32_t flag = FIELD_MEMBER_FLAG | FIELD_METHOD_FLAG;
auto cls = &TypeInfo<real_type_t<R>(*)(const void*, real_type_t<Args>...)>::StaticClass;
Offset offset = AnyArgs::GetArgsSize(data.value, cls->GetParams());
if (data.meta.IsValid()) {
offset += data.meta.Size();
}
FieldPtr::Data method(offset);
return { name, cls,method,flag };
}
//用处不大---------------begin
template<_ReflCheck_Meta T>
consteval int GetStaticFieldID(const Name& name) {
auto fields = T::MyStatic::__MakeStaticFields();
auto first = fields.begin();
for (auto& field : fields) {
if (field.name == name) {
return &field - &*first;
}
}
return 0;
}
template<_ReflCheck_Meta T>
consteval int GetStaticFieldID(bool(* fptr)(FieldPtr)) {
auto fields = T::MyStatic::__MakeStaticFields();
auto first = fields.begin();
for (auto& field : fields) {
if (fptr(field)) {
return &field - &*first;
}
}
return 0;
}
template<_ReflCheck_Meta T, auto name>
consteval auto GetStaticField() {
constexpr auto fields = T::MyMeta::__StaticFields();
using AutoType = decltype(name);
if constexpr (std::is_same_v<AutoType, int>) {
return std::get<name>(fields);
}
else {
constexpr auto id = GetStaticFieldID<T>(name.Data());
return std::get<id>(fields);
}
}
//用处不大---------------end
}