1 /* 2 * Copyright (c) 2021-2022 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 ES2PANDA_UTIL_INCLUDE_BITSET_H 17 #define ES2PANDA_UTIL_INCLUDE_BITSET_H 18 19 #include <macros.h> 20 21 #include <cstddef> 22 #include <cstdint> 23 24 namespace panda::es2panda::util { 25 26 class BitSet { 27 public: 28 explicit BitSet(size_t size); 29 NO_COPY_SEMANTIC(BitSet); 30 DEFAULT_MOVE_SEMANTIC(BitSet); 31 ~BitSet(); 32 33 void Clear(bool value) noexcept; 34 void Set(size_t pos) noexcept; 35 void Set(size_t pos, bool value) noexcept; 36 bool Test(size_t pos) const noexcept; 37 38 private: 39 static const size_t shiftOffset = 3; 40 static const size_t shiftMask = (1U << shiftOffset) - 1; 41 size_t DataSize() const noexcept; 42 43 uint8_t *data_; 44 size_t size_; 45 }; 46 47 } // namespace panda::es2panda::util 48 49 #endif 50