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

66 lines
2.2 KiB
C++

#pragma once
#include "meta.h"
#include "uclass.h"
#include "convert.h"
namespace refl {
template<typename T, typename Obj>
inline FieldPtr Meta::MemberField(T Obj::* ptr, const Name& name, char*& memory, const MemberData& data)
{
MemberData member;
auto cls = &TypeInfo<T*>::StaticClass;
member.offset = reinterpret_cast<std::size_t>(&(reinterpret_cast<const Obj*>(0)->*ptr));
if (data.value.IsValid()) {
member.value = Any(memory, cls);
assert(Convert::Construct(member.value, data.value));
memory += member.value.Size();
}
if (data.meta.IsValid()) {
member.meta = data.meta.Change(memory);
Convert::Construct(member.meta, data.meta);
memory += data.meta.Size();
}
constexpr uint32_t flag = FIELD_MEMBER_FLAG | FIELD_ATTRIBUTE_FLAG;
return { name, cls, member,flag};
}
template<typename R, typename ...Args>
inline FieldPtr Meta::MethodField(R(*ptr)(Args...), const Name& name, char*& memory, const MethodData& data)
{
MethodData method;
uint32_t flag = FIELD_METHOD_FLAG;
constexpr auto cls = &TypeInfo<real_type_t<R>(*)(real_type_t<Args>...)>::StaticClass;
if (data.value.IsValid()) {
flag |= FIELD_METHOD_VALUE_FLAG;
AnyArgs args(data.value, cls->GetParams(), memory);
method.value = args.ToSArray();
memory += args.Size();
}
if (data.meta.IsValid()) {
method.meta = data.meta.Change(memory);
Convert::Construct(method.meta, data.meta);
memory += data.meta.Size();
}
method.fptr = { *(Method*)&ptr };
return { name, cls, method,flag };
}
template<typename T, typename R, typename ...Args>
inline FieldPtr Meta::MethodField(R(T::*ptr)(Args...),const Name& name, char*& memory, const MethodData& data)
{
MethodData method;
uint32_t flag = FIELD_MEMBER_FLAG | FIELD_METHOD_FLAG;
constexpr auto cls = &TypeInfo<real_type_t<R>(*)(const void*, real_type_t<Args>...)>::StaticClass;
if (data.value.IsValid()) {
flag |= FIELD_METHOD_VALUE_FLAG;
AnyArgs args(data.value, cls->GetParams(), memory);
method.value = args.ToSArray();
memory += args.Size();
}
if (data.meta.IsValid()) {
method.meta = data.meta.Change(memory);
Convert::Construct(method.meta, data.meta);
memory += data.meta.Size();
}
method.fptr = { *(Method*)&ptr };
return { name, cls, method,flag };
}
}