1 /* 2 * Copyright (c) 2022 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 BLOB_JS_BLOB_H 17 #define BLOB_JS_BLOB_H 18 19 #include <numeric> 20 #include <string> 21 #include <vector> 22 23 #include "napi/native_api.h" 24 #include "napi/native_node_api.h" 25 #include "utils/log.h" 26 27 namespace OHOS::buffer { 28 class Blob { 29 public: 30 Blob() = default; 31 virtual ~Blob(); 32 void Init(uint8_t *blob, unsigned int length); 33 void Init(Blob *blob, int start); 34 void Init(Blob *blob, int start, int end); 35 36 uint8_t GetByte(int index); 37 uint8_t *GetRaw(); 38 unsigned int GetLength(); 39 void ReadBytes(uint8_t *data, int length); 40 private: 41 uint8_t *raw_ = nullptr; 42 unsigned int length_ = 0; 43 }; 44 } // namespace OHOS::buffer 45 #endif // BLOB_JS_BLOB_H