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/*
* 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 <stdint.h>
// 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:
// mBuffer contains string in UTF8 format
// maximum 3 bytes/character, with 1 extra for zero termination
uint8_t mBuffer[MTP_STRING_MAX_CHARACTER_NUMBER * 3 + 1];
int mCharCount;
int mByteCount;
public:
MtpStringBuffer();
MtpStringBuffer(const char* src);
MtpStringBuffer(const uint16_t* src);
MtpStringBuffer(const MtpStringBuffer& src);
virtual ~MtpStringBuffer();
void set(const char* src);
void set(const uint16_t* src);
bool readFromPacket(MtpDataPacket* packet);
void writeToPacket(MtpDataPacket* packet) const;
inline int getCharCount() const { return mCharCount; }
inline int getByteCount() const { return mByteCount; }
inline operator const char*() const { return (const char *)mBuffer; }
};
}; // namespace android
#endif // _MTP_STRING_BUFFER_H
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