VVMEnumeration.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#if WITH_VERSE_VM || defined(__INTELLISENSE__)
 
#include "Containers/StringFwd.h"
#include "VerseVM/VVMGlobalTrivialEmergentTypePtr.h"
#include "VerseVM/VVMNamedType.h"
 
namespace Verse
{
enum class EValueStringFormat;
struct FInitOrValidateUVerseEnum;
struct VEnumeration;
struct VEnumerator;
struct VUniqueString;
 
template <typename CppEnumType>
VEnumeration& StaticVEnumeration();
 
struct VEnumeration : VNamedType
{
    DECLARE_DERIVED_VCPPCLASSINFO(COREUOBJECT_API, VNamedType);
    COREUOBJECT_API static TGlobalTrivialEmergentTypePtr<&StaticCppClassInfo> GlobalTrivialEmergentType;
 
    int32 NumEnumerators;
 
    // Find enumerator for a given int value
    VEnumerator& GetEnumeratorChecked(int32 IntValue) const;
 
    COREUOBJECT_API VEnumerator* GetEnumerator(const VUniqueString& Name) const;
 
    template <class SubTypeOfUStruct>
    SubTypeOfUStruct* GetOrCreateUEType(FAllocationContext Context);
 
    static VEnumeration& New(FAllocationContext Context, VPackage* Package, VArray* RelativePath, VArray* EnumName, VArray* AttributeIndices, VArray* Attributes, UEnum* ImportEnum, bool bNative, const TArray<VEnumerator*>& Enumerators);
 
    static void SerializeLayout(FAllocationContext Context, VEnumeration*& This, FStructuredArchiveVisitor& Visitor);
    void SerializeImpl(FAllocationContext Context, FStructuredArchiveVisitor& Visitor);
 
    COREUOBJECT_API TSharedPtr<FJsonValue> ToJSONImpl(FRunningContext Context, EValueJSONFormat Format, TMap<const void*, EVisitState>& VisitedObjects, const VerseVMToJsonCallback& Callback, uint32 RecursionDepth, FJsonObject* Defs);
    COREUOBJECT_API VValue FromJSONImpl(FRunningContext Context, const FJsonValue& JsonValue, EValueJSONFormat Format);
 
private:
    COREUOBJECT_API VEnumeration(FAllocationContext Context, VPackage* InPackage, VArray* InRelativePath, VArray* InEnumName, VArray* InAttributeIndices, VArray* InAttributes, UEnum* InImportEnum, bool bInNative, const TArray<VEnumerator*>& InEnumerators);
    COREUOBJECT_API VEnumeration(FAllocationContext Context, int32 InNumEnumerators);
 
    COREUOBJECT_API UEnum* CreateUEType(FAllocationContext Context);
 
    void Prepare(const FInitOrValidateUVerseEnum& InitOrValidate);
 
    TWriteBarrier<VEnumerator> Enumerators[];
};
 
template <class SubTypeOfUEnum>
inline SubTypeOfUEnum* VEnumeration::GetOrCreateUEType(FAllocationContext Context)
{
    return HasUEType() ? GetUETypeChecked<SubTypeOfUEnum>() : CastChecked<SubTypeOfUEnum>(CreateUEType(Context));
}
 
} // namespace Verse
#endif // WITH_VERSE_VM