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bigbiff bigbiffaf32bb92018-12-18 18:39:53 -05001/*
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 * Copyright (C) 2014 TeamWin - bigbiff and Dees_Troy mtp database conversion to C++
17 */
18
19#ifndef _MTP_STRING_BUFFER_H
20#define _MTP_STRING_BUFFER_H
21
22#include <stdint.h>
23
24class MtpDataPacket;
25
26// Represents a utf8 string, with a maximum of 255 characters
27class MtpStringBuffer {
28
29private:
30 // mBuffer contains string in UTF8 format
31 // maximum 3 bytes/character, with 1 extra for zero termination
32 uint8_t mBuffer[255 * 3 + 1];
33 int mCharCount;
34 int mByteCount;
35
36public:
37 MtpStringBuffer();
38 MtpStringBuffer(const char* src);
39 MtpStringBuffer(const uint16_t* src);
40 MtpStringBuffer(const MtpStringBuffer& src);
41 virtual ~MtpStringBuffer();
42
43 void set(const char* src);
44 void set(const uint16_t* src);
45
46 void readFromPacket(MtpDataPacket* packet);
47 void writeToPacket(MtpDataPacket* packet) const;
48
49 inline int getCharCount() const { return mCharCount; }
50 inline int getByteCount() const { return mByteCount; }
51
52 inline operator const char*() const { return (const char *)mBuffer; }
53};
54
55#endif // _MTP_STRING_BUFFER_H