FieldNotificationVariant.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/Class.h"
#include "UObject/Field.h"
#include "UObject/UnrealType.h"
 
namespace UE::FieldNotification
{
 
struct FFieldVariant : private ::FFieldVariant
{
public:
    FFieldVariant() = default;
 
    explicit FFieldVariant(const FProperty* InProperty)
        : ::FFieldVariant(InProperty)
    {
    }
 
    explicit FFieldVariant(const UFunction* InFunction)
        : ::FFieldVariant(InFunction)
    {
    }
 
public:
    using ::FFieldVariant::IsValid;
    using ::FFieldVariant::GetOwnerClass;
    using ::FFieldVariant::GetFName;
    using ::FFieldVariant::operator bool;
    using ::FFieldVariant::operator ==;
    using ::FFieldVariant::operator !=;
#if WITH_METADATA
    using ::FFieldVariant::HasMetaData;
#endif // WITH_METADATA
 
    inline bool IsProperty() const
    {
        return IsValid() && !IsUObject();
    }
 
    inline bool IsFunction() const
    {
        return IsValid() && IsUObject();
    }
 
    inline FProperty* GetProperty()
    {
        return IsProperty() ? static_cast<FProperty*>(ToFieldUnsafe()) : nullptr;
    }
    
    inline const FProperty* GetProperty() const
    {
        return IsProperty() ? static_cast<const FProperty*>(ToFieldUnsafe()) : nullptr;
    }
 
    inline UFunction* GetFunction()
    {
        return IsFunction() ? static_cast<UFunction*>(ToUObjectUnsafe()) : nullptr;
    }
 
    inline const UFunction* GetFunction() const
    {
        return IsFunction() ? static_cast<const UFunction*>(ToUObjectUnsafe()) : nullptr;
    }
};
 
} //namespace