1 /* 2 * Copyright 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <cstdint> 20 #include <memory> 21 #include <vector> 22 23 namespace bluetooth { 24 namespace packet { 25 26 // Base class that holds a shared pointer to data with bounds. 27 class View { 28 public: 29 View(std::shared_ptr<const std::vector<uint8_t>> data, size_t begin, size_t end); 30 View(const View& view, size_t begin, size_t end); 31 View(const View& view) = default; 32 virtual ~View() = default; 33 34 uint8_t operator[](size_t i) const; 35 36 size_t size() const; 37 38 private: 39 std::shared_ptr<const std::vector<uint8_t>> data_; 40 size_t begin_; 41 size_t end_; 42 }; 43 44 } // namespace packet 45 } // namespace bluetooth 46