libcommonc++  0.7
ByteBufferDataReader.h++
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1 /* ---------------------------------------------------------------------------
2  commonc++ - A C++ Common Class Library
3  Copyright (C) 2005-2014 Mark A Lindner
4 
5  This file is part of commonc++.
6 
7  This library is free software; you can redistribute it and/or
8  modify it under the terms of the GNU Library General Public
9  License as published by the Free Software Foundation; either
10  version 2 of the License, or (at your option) any later version.
11 
12  This library is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  Library General Public License for more details.
16 
17  You should have received a copy of the GNU Library General Public
18  License along with this library; if not, write to the Free
19  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20  ---------------------------------------------------------------------------
21 */
22 
23 #ifndef __ccxx_ByteBufferDataReader_hxx
24 #define __ccxx_ByteBufferDataReader_hxx
25 
26 #include <commonc++/DataReader.h++>
27 #include <commonc++/Buffer.h++>
28 
29 namespace ccxx {
30 
37 {
38  public:
39 
46 
49 
50  void skip(size_t count);
51 
52  void reset();
53 
54  void setOffset(int64_t offset);
55 
56  protected:
57 
58  size_t read(byte_t* buf, size_t count);
59 
60  private:
61 
62  ByteBuffer& _buffer;
63  size_t _oldPos;
64 
66 };
67 
68 } // namespace ccxx
69 
70 #endif // __ccxx_ByteBufferDataReader_hxx
A DataReader which reads data from a ByteBuffer.
Definition: ByteBufferDataReader.h++:36
An abstract base class for data readers.
Definition: DataReader.h++:40
#define COMMONCPP_API
Definition: Common.h++:126
A buffer for storing a contiguous sequence of elements.
Definition: Buffer.h++:44
#define CCXX_COPY_DECLS(CLASS)
Inlines declarations of a copy constructor and assignment operator for the class CLASS.
Definition: Common.h++:295
Definition: AllocationMap.c++:25
unsigned char byte_t
An unsigned 8-bit value.
Definition: Integers.h++:68