xref: /aoo41x/main/sfx2/inc/idpool.hxx (revision cdf0e10c)
1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 #ifndef _SFXIDPOOL_HXX
28 #define _SFXIDPOOL_HXX
29 
30 #include <limits.h>		// USHRT_MAX
31 #include "bitset.hxx"
32 
33 // class IdPool ----------------------------------------------------------
34 
35 class IdPool: private BitSet
36 {
37 private:
38 	sal_uInt16 nNextFree;
39 	sal_uInt16 nRange;
40 	sal_uInt16 nOffset;
41 public:
42 	sal_Bool Lock( const BitSet& rLockSet );
43 	sal_Bool IsLocked( sal_uInt16 nId ) const;
44 	IdPool( sal_uInt16 nMin = 1, sal_uInt16 nMax = USHRT_MAX );
45 	sal_uInt16 Get();
46 	sal_Bool Put( sal_uInt16 nId );
47 	sal_Bool Lock( const Range& rRange );
48 	sal_Bool Lock( sal_uInt16 nId );
49 
50 };
51 
52 //------------------------------------------------------------------------
53 
54 // returns sal_True if the id is locked
55 
56 inline sal_Bool IdPool::IsLocked( sal_uInt16 nId ) const
57 {
58 	return ( this->Contains(nId-nOffset) );
59 }
60 
61 
62 #endif
63 
64