1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef META_INTERFACE_STATIC_OBJECT_METADATA_H 17 #define META_INTERFACE_STATIC_OBJECT_METADATA_H 18 19 #include <meta/base/namespace.h> 20 #include <meta/base/shared_ptr.h> 21 #include <meta/base/types.h> 22 23 META_BEGIN_NAMESPACE() 24 25 class IOwner; 26 class IAny; 27 28 struct StaticMetadata; 29 30 namespace Internal { 31 using MetadataCtor = BASE_NS::shared_ptr<CORE_NS::IInterface>( 32 const BASE_NS::shared_ptr<IOwner>&, const StaticMetadata& data); 33 using MetaValue = BASE_NS::shared_ptr<IAny>(); 34 } // namespace Internal 35 36 enum class MetadataType : uint8_t { UNKNOWN = 0, PROPERTY = 1, EVENT = 2, FUNCTION = 4 }; 37 38 inline MetadataType operator|(MetadataType a, MetadataType b) 39 { 40 return MetadataType(uint8_t(a) | uint8_t(b)); 41 } 42 43 struct StaticMetadata { 44 const MetadataType type {}; 45 const InterfaceInfo interfaceInfo {}; 46 const char* const name {}; 47 Internal::MetadataCtor* const create {}; 48 Internal::MetaValue* const runtimeValue {}; 49 const void* const data {}; 50 }; 51 52 /// Static metadata for single object class 53 struct StaticObjectMetadata { 54 const ClassInfo* classInfo {}; 55 const StaticObjectMetadata* baseclass {}; // direct base class 56 const StaticObjectMetadata* aggregate {}; // aggregate "base" class 57 const StaticMetadata* metadata {}; 58 const size_t size {}; 59 }; 60 61 META_END_NAMESPACE() 62 63 #endif 64