1 /* 2 * Copyright (C) 2017 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 #ifndef HIDUTIL_HIDITEM_H_ 17 #define HIDUTIL_HIDITEM_H_ 18 19 #include <cstdlib> 20 #include <vector> 21 #include <istream> 22 #include <ostream> 23 24 namespace HidUtil { 25 26 struct HidItem { 27 bool valid; 28 unsigned int type; 29 unsigned int tag; 30 ssize_t offset; 31 ssize_t byteSize; 32 std::vector<uint8_t> data; 33 34 bool dataAsUnsigned(unsigned int *out) const; 35 bool dataAsSigned(int *out) const; 36 37 // friend stream functions 38 friend std::istream& operator>>(std::istream &is, HidItem &h); 39 friend std::ostream& operator<<(std::ostream &os, const HidItem &h); 40 41 // tokenize from a unsigned char vector 42 static std::vector<HidItem> tokenize(const std::vector<uint8_t> &descriptor); 43 static std::vector<HidItem> tokenize(const uint8_t *begin, size_t size); 44 static std::vector<HidItem> tokenize(std::istream &is); 45 }; 46 47 // parsing in from binary stream 48 std::istream& operator>>(std::istream &is, HidUtil::HidItem &h); 49 50 // output as human readable string to stream 51 std::ostream& operator<<(std::ostream &os, const HidUtil::HidItem &h); 52 } //namespace HidUtil 53 54 #endif // HIDUTIL_HIDITEM_H_ 55
