ReferencerFinder.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "Containers/Set.h"
#include "CoreMinimal.h"
#include "HAL/Platform.h"
#include "Misc/EnumClassFlags.h"
#include "Serialization/ArchiveUObject.h"
 
class UObject;
 
enum class EReferencerFinderFlags : uint8
{
    None = 0,
    SkipInnerReferences = 1 << 0, // Do not add inner objects to the referencers of an outer.
    SkipWeakReferences  = 1 << 1, // Do not add weak references to the referencers
};
 
ENUM_CLASS_FLAGS(EReferencerFinderFlags);
 
class FReferencerFinder
{
public:
    static COREUOBJECT_API TArray<UObject*> GetAllReferencers(const TArray<UObject*>& Referencees, const TSet<UObject*>* ObjectsToIgnore, EReferencerFinderFlags Flags = EReferencerFinderFlags::None);
    static COREUOBJECT_API TArray<UObject*> GetAllReferencers(const TSet<UObject*>& Referencees, const TSet<UObject*>* ObjectsToIgnore, EReferencerFinderFlags Flags = EReferencerFinderFlags::None);
 
    static COREUOBJECT_API void NotifyRegistrationComplete();
};