1 /* 2 * Copyright (C) 2010 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 #ifndef _MTP_STRING_BUFFER_H 18 #define _MTP_STRING_BUFFER_H 19 20 #include <log/log.h> 21 #include <stdint.h> 22 #include <string> 23 24 // Max Character number of a MTP String 25 #define MTP_STRING_MAX_CHARACTER_NUMBER 255 26 27 namespace android { 28 29 class MtpDataPacket; 30 31 // Represents a utf8 string, with a maximum of 255 characters 32 class MtpStringBuffer { 33 34 private: 35 std::string mString; 36 37 public: MtpStringBuffer()38 MtpStringBuffer() {}; ~MtpStringBuffer()39 ~MtpStringBuffer() {}; 40 41 explicit MtpStringBuffer(const char* src); 42 explicit MtpStringBuffer(const uint16_t* src); 43 MtpStringBuffer(const MtpStringBuffer& src); 44 45 void set(const char* src); 46 void set(const uint16_t* src); 47 48 inline void append(const char* other); 49 inline void append(MtpStringBuffer &other); 50 51 bool readFromPacket(MtpDataPacket* packet); 52 void writeToPacket(MtpDataPacket* packet) const; 53 isEmpty()54 inline bool isEmpty() const { return mString.empty(); } size()55 inline int size() const { return mString.length(); } 56 57 inline operator const char*() const { return mString.c_str(); } 58 }; 59 append(const char * other)60inline void MtpStringBuffer::append(const char* other) { 61 mString += other; 62 } 63 append(MtpStringBuffer & other)64inline void MtpStringBuffer::append(MtpStringBuffer &other) { 65 mString += other.mString; 66 } 67 68 }; // namespace android 69 70 #endif // _MTP_STRING_BUFFER_H 71