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refactor(templates): refactor Swap into a member function

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This commit is contained in:
_Redstone_c_
2022-04-14 22:41:22 +08:00
parent 5c82ab1e0d
commit 018d3afb73
6 changed files with 145 additions and 141 deletions
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64
Redcraft.Utility/Source/Public/Templates/Any.h
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@ -91,6 +91,15 @@ void AnyMoveAssign(void* Target, void* Source)
using FAnyMoveAssignFunc = void(*)(void*, void*);
template <typename T>
void AnySwap(void* A, void* B)
{
if constexpr (TIsSwappable<T>::Value) Swap(*reinterpret_cast<T*>(A), *reinterpret_cast<T*>(B));
else check_no_entry();
}
using FAnySwapFunc = void(*)(void*, void*);
struct FAnyRTTI
{
bool bIsInline;
@ -102,6 +111,7 @@ struct FAnyRTTI
FAnyMoveConstructFunc MoveConstruct;
FAnyCopyAssignFunc CopyAssign;
FAnyMoveAssignFunc MoveAssign;
FAnySwapFunc SwapObject;
};
template <typename T, bool bInIsInline>
@ -118,6 +128,7 @@ struct TAnyRTTIHelper
AnyMoveConstruct<T>,
AnyCopyAssign<T>,
AnyMoveAssign<T>,
AnySwap<T>,
};
};
@ -315,6 +326,35 @@ struct TAny
ResetImpl();
}
constexpr void Swap(TAny& InValue)
{
if (!IsValid() && !InValue.IsValid()) return;
if (IsValid() && !InValue.IsValid())
{
InValue = MoveTemp(*this);
Reset();
return;
}
if (InValue.IsValid() && !IsValid())
{
*this = MoveTemp(InValue);
InValue.Reset();
return;
}
if (GetTypeInfo() == InValue.GetTypeInfo())
{
RTTI->SwapObject(GetData(), InValue.GetData());
return;
}
TAny Temp = MoveTemp(*this);
*this = MoveTemp(InValue);
InValue = MoveTemp(Temp);
}
private:
union
@ -369,30 +409,6 @@ constexpr bool operator==(const TAny<InlineSize, InlineAlignment>& LHS, FInvalid
return !LHS.IsValid();
}
template <size_t InlineSize, size_t InlineAlignment>
constexpr void Swap(TAny<InlineSize, InlineAlignment>& A, TAny<InlineSize, InlineAlignment>& B)
{
if (!A && !B) return;
if (A && !B)
{
B = MoveTemp(A);
A.Reset();
return;
}
if (B && !A)
{
A = MoveTemp(B);
B.Reset();
return;
}
TAny<InlineSize, InlineAlignment> Temp = MoveTemp(A);
A = MoveTemp(B);
B = MoveTemp(Temp);
}
template <typename T> struct TIsTAny : FFalse { };
template <size_t InlineSize, size_t InlineAlignment> struct TIsTAny<TAny<InlineSize, InlineAlignment>> : FTrue { };