OpenZWave Library  1.5.0
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 {
37 {
38  friend class Iterator;
39 
40 public:
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 
74 private:
76  vector<uint32> m_bits;
78  uint32 m_numSetBits;
79  uint32 m_value;
80 };
81 } // namespace OpenZWave
82 
83 #endif
84 
85 
86 
Definition: Bitfield.h:34
#define OPENZWAVE_EXPORT
Definition: Defs.h:52
#define OPENZWAVE_EXPORT_WARNINGS_ON
Definition: Defs.h:54
#define OPENZWAVE_EXPORT_WARNINGS_OFF
Definition: Defs.h:53
Definition: Bitfield.h:36
unsigned int uint32
Definition: Defs.h:96
Definition: Bitfield.h:51
unsigned char uint8
Definition: Defs.h:90