1 /* 2 * Copyright 2018 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 #include "packet.h" 18 19 #include <base/logging.h> 20 #include <algorithm> 21 22 #include "iterator.h" 23 24 namespace bluetooth { 25 size() const26size_t Packet::size() const { return packet_end_index_ - packet_start_index_; } 27 begin() const28Iterator Packet::begin() const { 29 return Iterator(shared_from_this(), packet_start_index_); 30 } 31 end() const32Iterator Packet::end() const { 33 return Iterator(shared_from_this(), packet_end_index_); 34 } 35 36 // For the Array operator, treat index 0 as the relative start of the packet operator [](size_t i)37uint8_t Packet::operator[](size_t i) { 38 return get_at_index(i + packet_start_index_); 39 } 40 get_length() const41size_t Packet::get_length() const { return data_->size(); } 42 43 // Iterators use the absolute index to access data. get_at_index(size_t index) const44uint8_t Packet::get_at_index(size_t index) const { 45 CHECK_GE(index, packet_start_index_); 46 CHECK_LT(index, packet_end_index_); 47 return data_->at(index); 48 } 49 50 } // namespace bluetooth