TypedElementQueryCapabilities.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include <type_traits>
#include "Containers/ContainersFwd.h"
#include "DataStorage/Handles.h"
#include "Misc/EnumClassFlags.h"
#include "UObject/NameTypes.h"
 
class UScriptStruct;
 
namespace UE::Editor::DataStorage::Queries
{
    enum class EContextCapabilityFlags
    {
        SupportsSingle = 1 << 0,
        SupportsBatch = 1 << 1
    };
    ENUM_CLASS_FLAGS(EContextCapabilityFlags)
 
    
    struct IContextCapability
    {
        virtual ~IContextCapability() = default;
    };
 
    
#define ArgTypeName(Type, Name) Type Name
 
#define Function0(Capability, Return, Function) virtual Return Function() = 0;
#define Function1(Capability, Return, Function, Arg1) virtual Return Function(ArgTypeName Arg1 ) = 0;
#define Function2(Capability, Return, Function, Arg1, Arg2) virtual Return Function(ArgTypeName Arg1 , ArgTypeName Arg2 ) = 0;
#define Function3(Capability, Return, Function, Arg1, Arg2, Arg3) virtual Return Function(ArgTypeName Arg1 , ArgTypeName Arg2 , ArgTypeName Arg3 ) = 0;
#define Function4(Capability, Return, Function, Arg1, Arg2, Arg3, Arg4) virtual Return Function(ArgTypeName Arg1 , ArgTypeName Arg2 , ArgTypeName Arg3 , ArgTypeName Arg4 ) = 0;
 
#define ConstFunction0(Capability, Return, Function) virtual Return Function() const = 0;
#define ConstFunction1(Capability, Return, Function, Arg1) virtual Return Function(ArgTypeName Arg1 ) const = 0;
#define ConstFunction2(Capability, Return, Function, Arg1, Arg2) virtual Return Function(ArgTypeName Arg1 , ArgTypeName Arg2 ) const = 0;
#define ConstFunction3(Capability, Return, Function, Arg1, Arg2, Arg3) virtual Return Function(ArgTypeName Arg1 , ArgTypeName Arg2 , ArgTypeName Arg3 ) const = 0;
#define ConstFunction4(Capability, Return, Function, Arg1, Arg2, Arg3, Arg4) virtual Return Function(ArgTypeName Arg1 , ArgTypeName Arg2 , ArgTypeName Arg3 , ArgTypeName Arg4 ) const = 0;
 
#define CapabilityStart(InCapability, InFlags) \
    template<typename Base> \
    struct I##InCapability : Base \
    { \
        inline static const FName Name = #InCapability ; \
        static constexpr EContextCapabilityFlags Flags = InFlags; \
        virtual ~I##InCapability () override = default;
 
#define CapabilityEnd(Capability) \
    }; \
    using Capability = I##Capability <IContextCapability>;
 
#include "Elements/Framework/TypedElementQueryCapabilities.inl"
 
#undef ArgTypeName
#undef Function0
#undef Function1
#undef Function2
#undef Function3
#undef Function4
#undef ConstFunction0
#undef ConstFunction1
#undef ConstFunction2
#undef ConstFunction3
#undef ConstFunction4
#undef CapabilityStart
#undef CapabilityEnd
} // namespace UE::Editor::DataStorage::Queries