Redcraft/Redcraft.Utility/Source/Public/Memory/MemoryOperator.h

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#pragma once
#include "CoreTypes.h"
#include "Memory/Memory.h"
#include "Templates/Utility.h"
#include "TypeTraits/TypeTraits.h"
NAMESPACE_REDCRAFT_BEGIN
NAMESPACE_MODULE_BEGIN(Redcraft)
NAMESPACE_MODULE_BEGIN(Utility)
NAMESPACE_BEGIN(Memory)
template <typename ElementType>
requires CDefaultConstructible<ElementType>
FORCEINLINE void DefaultConstruct(ElementType* Address, size_t Count = 1)
{
if constexpr (CZeroConstructible<ElementType>)
{
Memory::Memset(Address, 0, sizeof(ElementType) * Count);
}
else
{
ElementType* Element = (ElementType*)Address;
while (Count)
{
new (Element) ElementType;
++Element;
--Count;
}
}
}
template <typename DestinationElementType, typename SourceElementType = DestinationElementType>
requires CConstructibleFrom<DestinationElementType, const SourceElementType&>
FORCEINLINE void Construct(DestinationElementType* Destination, const SourceElementType* Source, size_t Count = 1)
{
if constexpr (CBitwiseConstructible<DestinationElementType, const SourceElementType>)
{
Memory::Memcpy(Destination, Source, sizeof(SourceElementType) * Count);
}
else
{
while (Count)
{
new (Destination) DestinationElementType(*Source);
++(DestinationElementType*&)Destination;
++Source;
--Count;
}
}
}
template <typename ElementType>
requires CCopyConstructible<ElementType>
FORCEINLINE void CopyConstruct(ElementType* Destination, const ElementType* Source, size_t Count = 1)
{
if constexpr (CTriviallyCopyConstructible<ElementType>)
{
Memory::Memcpy(Destination, Source, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
new (Destination) ElementType(*Source);
++(ElementType*&)Destination;
++Source;
--Count;
}
}
}
template <typename ElementType>
requires CMoveConstructible<ElementType>
FORCEINLINE void MoveConstruct(ElementType* Destination, ElementType* Source, size_t Count = 1)
{
if constexpr (CTriviallyMoveConstructible<ElementType>)
{
Memory::Memmove(Destination, Source, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
new (Destination) ElementType(MoveTemp(*Source));
++(ElementType*&)Destination;
++Source;
--Count;
}
}
}
template <typename DestinationElementType, typename SourceElementType = DestinationElementType>
requires CConstructibleFrom<DestinationElementType, SourceElementType&&> && CDestructible<SourceElementType>
FORCEINLINE void RelocateConstruct(DestinationElementType* Destination, SourceElementType* Source, size_t Count = 1)
{
if constexpr (CBitwiseRelocatable<DestinationElementType, SourceElementType>)
{
Memory::Memmove(Destination, Source, sizeof(SourceElementType) * Count);
}
else
{
while (Count)
{
typedef SourceElementType RelocateConstructItemsElementTypeTypedef;
new (Destination) DestinationElementType(MoveTemp(*Source));
++(DestinationElementType*&)Destination;
(Source++)->RelocateConstructItemsElementTypeTypedef::~RelocateConstructItemsElementTypeTypedef();
--Count;
}
}
}
template <typename ElementType>
requires CDestructible<ElementType>
FORCEINLINE void Destruct(ElementType* Element, size_t Count = 1)
{
if constexpr (!CTriviallyDestructible<ElementType>)
{
while (Count)
{
Element->~ElementType();
++Element;
--Count;
}
}
}
template <typename ElementType>
requires CCopyAssignable<ElementType>
FORCEINLINE void CopyAssign(ElementType* Destination, const ElementType* Source, size_t Count = 1)
{
if constexpr (CTriviallyCopyAssignable<ElementType>)
{
Memory::Memcpy(Destination, Source, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
*Destination = *Source;
++Destination;
++Source;
--Count;
}
}
}
template <typename ElementType>
requires CMoveAssignable<ElementType>
FORCEINLINE void MoveAssign(ElementType* Destination, ElementType* Source, size_t Count = 1)
{
if constexpr (CTriviallyCopyConstructible<ElementType>)
{
Memory::Memmove(Destination, Source, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
*Destination = MoveTemp(*Source);
++(ElementType*&)Destination;
++Source;
--Count;
}
}
}
template <typename ElementType>
requires CEqualityComparable<ElementType>
FORCEINLINE bool Compare(const ElementType* LHS, const ElementType* RHS, size_t Count = 1)
{
if constexpr (CBitwiseComparable<ElementType>)
{
return !Memory::Memcmp(LHS, RHS, sizeof(ElementType) * Count);
}
else
{
while (Count)
{
if (!(*LHS == *RHS)) return false;
++LHS;
++RHS;
--Count;
}
return true;
}
}
NAMESPACE_END(Memory)
NAMESPACE_MODULE_END(Utility)
NAMESPACE_MODULE_END(Redcraft)
NAMESPACE_REDCRAFT_END