OpenZWave Library: Bitfield.h Source File

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Bitfield.h
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1//-----------------------------------------------------------------------------
2//
3// Bitfield.h
4//
5// Variable length bitfield implementation
6//
7// Copyright (c) 2011 Mal Lansell <openzwave@lansell.org>
8//
9// SOFTWARE NOTICE AND LICENSE
10//
11// This file is part of OpenZWave.
12//
13// OpenZWave is free software: you can redistribute it and/or modify
14// it under the terms of the GNU Lesser General Public License as published
15// by the Free Software Foundation, either version 3 of the License,
16// or (at your option) any later version.
17//
18// OpenZWave is distributed in the hope that it will be useful,
19// but WITHOUT ANY WARRANTY; without even the implied warranty of
20// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21// GNU Lesser General Public License for more details.
22//
23// You should have received a copy of the GNU Lesser General Public License
24// along with OpenZWave. If not, see <http://www.gnu.org/licenses/>.
25//
26//-----------------------------------------------------------------------------
27
28#ifndef _Bitfield_H
29#define _Bitfield_H
30
31#include <vector>
32#include "Defs.h"
33
34 namespace OpenZWave
35{
36 class OPENZWAVE_EXPORT Bitfield
37{
38 friend class Iterator;
39
40public:
41 Bitfield();
42 Bitfield(uint32 value);
43 ~Bitfield();
44 bool Set( uint8 _idx );
45 bool Clear( uint8 _idx );
46 bool IsSet( uint8 _idx ) const;
47 uint32 GetNumSetBits() const;
48 uint32 GetValue() const;
49 bool SetValue(uint32 val);
50 uint32 GetSize() const;
51 class Iterator
52 {
53 friend class Bitfield;
54
55 public:
56 uint32 operator *() const;
57 Iterator& operator++();
58 Iterator operator++(int);
59
60 bool operator ==(const Iterator &rhs);
61 bool operator !=(const Iterator &rhs);
62 private:
63 Iterator( Bitfield const* _bitfield, uint32 _idx );
64
65 void NextSetBit();
66
67 uint32 m_idx;
68 Bitfield const* m_bitfield;
69 };
70
71 Iterator Begin() const;
72 Iterator End() const;
73
74private:
75 OPENZWAVE_EXPORT_WARNINGS_OFF
76 vector<uint32> m_bits;
77 OPENZWAVE_EXPORT_WARNINGS_ON
78 uint32 m_numSetBits;
79 uint32 m_value;
80};
81} // namespace OpenZWave
82
83#endif
84
85
86
Defs.h
uint32
unsigned int uint32
Definition Defs.h:95
OPENZWAVE_EXPORT_WARNINGS_ON
#define OPENZWAVE_EXPORT_WARNINGS_ON
Definition Defs.h:53
OPENZWAVE_EXPORT
#define OPENZWAVE_EXPORT
Definition Defs.h:51
OPENZWAVE_EXPORT_WARNINGS_OFF
#define OPENZWAVE_EXPORT_WARNINGS_OFF
Definition Defs.h:52
uint8
unsigned char uint8
Definition Defs.h:89
OpenZWave::Bitfield::Iterator
Definition Bitfield.h:52
OpenZWave::Bitfield
Definition Bitfield.h:37
OpenZWave
Definition Bitfield.h:35