PropertyTempVal.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "HAL/Platform.h"
#include "UObject/UnrealType.h"
 
class FArchive;
class FProperty;
class FString;
class UObject;
 
// A helper struct which owns a single instance of the type pointed to by a property.
// The instance is properly constructed, destructed and can be serialized and have other
// functions called on it.
struct FPropertyTempVal
{
    COREUOBJECT_API explicit FPropertyTempVal(FProperty* InProp);
    COREUOBJECT_API ~FPropertyTempVal();
 
    // Uncopyable
    FPropertyTempVal(const FPropertyTempVal&) = delete;
    FPropertyTempVal& operator=(const FPropertyTempVal&) = delete;
 
    // Serializes the instance
    COREUOBJECT_API void Serialize(FArchive& Ar, const void* Defaults = nullptr);
 
    // Exports the text of the instance
    COREUOBJECT_API void ExportText(FString& ValueStr, const void* Defaults = nullptr, UObject* Parent = nullptr, int32 PortFlags = 0, UObject* ExportRootScope = nullptr);
 
    // Returns a pointer to the internal instance
    UE_FORCEINLINE_HINT void* Get()
    {
        return Value;
    }
 
    // Returns a pointer to the internal instance
    UE_FORCEINLINE_HINT const void* Get() const
    {
        return Value;
    }
 
private:
    // The property which is used to manage to underlying instance.
    FProperty* Prop;
 
    // The memory of 
    void* Value;
};