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 OHOS_IDL_METADATASERIALIZER_H 17 #define OHOS_IDL_METADATASERIALIZER_H 18 19 #include <cstddef> 20 #include <cstdint> 21 22 #include "metadata/meta_component.h" 23 #include "metadata/meta_interface.h" 24 #include "metadata/meta_method.h" 25 #include "metadata/meta_namespace.h" 26 #include "metadata/meta_patameter.h" 27 #include "metadata/meta_rawdata.h" 28 #include "metadata/meta_sequenceable.h" 29 #include "metadata/meta_type.h" 30 31 32 namespace OHOS { 33 namespace Idl { 34 class MetadataSerializer { 35 public: MetadataSerializer(MetaComponent * mc)36 explicit MetadataSerializer(MetaComponent* mc) 37 : metaComponent_(mc), 38 baseAddr_(reinterpret_cast<uintptr_t>(mc)) 39 {} 40 MetadataSerializer(uintptr_t addr)41 explicit MetadataSerializer(uintptr_t addr) 42 : metaComponent_(reinterpret_cast<MetaComponent*>(addr)), 43 baseAddr_(addr) 44 {} 45 46 ~MetadataSerializer() = default; 47 48 void Serialize(); 49 50 void Deserialize(); 51 GetData()52 uintptr_t GetData() const 53 { 54 return baseAddr_; 55 } 56 GetDataSize()57 int GetDataSize() const 58 { 59 return metaComponent_->size_; 60 } 61 62 private: 63 void SerializeMetaComponent(MetaComponent* mc); 64 65 void SerializeMetaNamespace(MetaNamespace* mn); 66 67 void SerializeMetaSequenceable(MetaSequenceable* mp); 68 69 void SerializeMetaRawData(MetaRawData* mp); 70 71 void SerializeMetaInterface(MetaInterface* mi); 72 73 void SerializeMetaMethod(MetaMethod* mm); 74 75 void SerializeMetaParameter(MetaParameter* mp); 76 77 void SerializeMetaType(MetaType* mt); 78 79 ptrdiff_t SerializeAdjust(const void* addr); 80 81 void DeserializeMetaComponent(MetaComponent* mc); 82 83 void DeserializeMetaNamespace(MetaNamespace* mn); 84 85 void DeserializeMetaSequenceable(MetaSequenceable* mp); 86 87 void DeserializeMetaRawData(MetaRawData* mp); 88 89 void DeserializeMetaInterface(MetaInterface* mi); 90 91 void DeserializeMetaMethod(MetaMethod* mm); 92 93 void DeserializeMetaParameter(MetaParameter* mp); 94 95 void DeserializeMetaType(MetaType* mt); 96 97 uintptr_t DeserializeAdjust(const void* addr); 98 99 MetaComponent* metaComponent_; 100 uintptr_t baseAddr_; 101 }; 102 } // namespace Idl 103 } // namespace OHOS 104 #endif // OHOS_IDL_METADATASERIALIZER_H 105