libcommonc++  0.7
RefSet.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_RefSet_hxx
24 #define __ccxx_RefSet_hxx
25 
26 #include <map>
27 
28 #include <commonc++/Common.h++>
29 
30 namespace ccxx {
31 
40 template<typename T> class RefSet : public std::map<T, int>
41 {
42  public:
43 
45  RefSet();
46 
48  ~RefSet();
49 
58  bool add(T value);
59 
70  bool remove(T value);
71 
78  bool contains(T value) const;
79 
87  int refCount(T value) const;
88 };
89 
90 #include <commonc++/RefSetImpl.h++>
91 
92 } // namespace ccxx
93 
94 #endif // __ccxx_RefSet_hxx
A reference-counted set.
Definition: RefSet.h++:40
bool add(T value)
Add a value to the set.
int refCount(T value) const
Get the reference count for a given value.
~RefSet()
Destructor.
Definition: AllocationMap.c++:25
RefSet()
Construct a new RefSet.
bool contains(T value) const
Determine if a value is present in the set.