blob: 30d1bc16bbc580be43fc796d6cd53cf8ed30cddc [file] [log] [blame]
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _MTP_STRING_BUFFER_H
#define _MTP_STRING_BUFFER_H
#include <log/log.h>
#include <stdint.h>
#include <string>
#include <string_view>
// Max Character number of a MTP String
#define MTP_STRING_MAX_CHARACTER_NUMBER 255
namespace android {
class MtpDataPacket;
// Represents a utf8 string, with a maximum of 255 characters
class MtpStringBuffer {
private:
std::string mString;
public:
MtpStringBuffer() {};
~MtpStringBuffer() {};
explicit MtpStringBuffer(const char* src);
explicit MtpStringBuffer(const uint16_t* src);
MtpStringBuffer(const MtpStringBuffer& src);
void set(const char* src);
void set(const uint16_t* src);
inline void append(const char* other);
inline void append(MtpStringBuffer &other);
bool readFromPacket(MtpDataPacket* packet);
void writeToPacket(MtpDataPacket* packet) const;
inline bool isEmpty() const { return mString.empty(); }
inline int size() const { return mString.length(); }
inline operator const char*() const { return mString.c_str(); }
operator std::string_view() const { return mString; }
};
inline void MtpStringBuffer::append(const char* other) {
mString += other;
}
inline void MtpStringBuffer::append(MtpStringBuffer &other) {
mString += other.mString;
}
}; // namespace android
#endif // _MTP_STRING_BUFFER_H