libcommonc++  0.7
ByteArrayDataReader.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_ByteArrayDataReader_hxx
24 #define __ccxx_ByteArrayDataReader_hxx
25 
26 #include <commonc++/DataReader.h++>
27 
28 namespace ccxx {
29 
36 {
37  public:
38 
45  ByteArrayDataReader(const byte_t* array, size_t len);
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  const byte_t* _buf;
63  const byte_t* _end;
64  const byte_t* _ptr;
65  size_t _len;
66 
68 };
69 
70 } // namespace ccxx
71 
72 #endif // __ccxx_ByteArrayDataReader_hxx
An abstract base class for data readers.
Definition: DataReader.h++:40
#define COMMONCPP_API
Definition: Common.h++:126
#define CCXX_COPY_DECLS(CLASS)
Inlines declarations of a copy constructor and assignment operator for the class CLASS.
Definition: Common.h++:295
A DataReader which reads data from a byte array.
Definition: ByteArrayDataReader.h++:35
Definition: AllocationMap.c++:25
unsigned char byte_t
An unsigned 8-bit value.
Definition: Integers.h++:68