Open Lighting Architecture  0.9.2
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InputBuffer.h
1 /*
2  * This library is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU Lesser General Public
4  * License as published by the Free Software Foundation; either
5  * version 2.1 of the License, or (at your option) any later version.
6  *
7  * This library is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10  * Lesser General Public License for more details.
11  *
12  * You should have received a copy of the GNU Lesser General Public
13  * License along with this library; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15  *
16  * InputBuffer.h
17  * An Abstract base class that represents a block of memory tha can be read
18  * from.
19  * Copyright (C) 2012 Simon Newton
20  */
21 
22 #ifndef INCLUDE_OLA_IO_INPUTBUFFER_H_
23 #define INCLUDE_OLA_IO_INPUTBUFFER_H_
24 
25 #include <stdint.h>
26 #include <string>
27 
28 namespace ola {
29 namespace io {
30 
35  public:
36  virtual ~InputBufferInterface() {}
37 
43  virtual unsigned int Read(uint8_t *data, unsigned int length) = 0;
44 
45  /*
46  * Append up to length bytes of data to the string.
47  * Updates length with the number of bytes read.
48  * @returns the number of bytes read
49  */
50  virtual unsigned int Read(std::string *output, unsigned int length) = 0;
51 };
52 } // namespace io
53 } // namespace ola
54 #endif // INCLUDE_OLA_IO_INPUTBUFFER_H_