1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 #ifndef _SFXIDPOOL_HXX 24 #define _SFXIDPOOL_HXX 25 26 #include <limits.h> // USHRT_MAX 27 #include "bitset.hxx" 28 29 // class IdPool ---------------------------------------------------------- 30 31 class IdPool: private BitSet 32 { 33 private: 34 sal_uInt16 nNextFree; 35 sal_uInt16 nRange; 36 sal_uInt16 nOffset; 37 public: 38 sal_Bool Lock( const BitSet& rLockSet ); 39 sal_Bool IsLocked( sal_uInt16 nId ) const; 40 IdPool( sal_uInt16 nMin = 1, sal_uInt16 nMax = USHRT_MAX ); 41 sal_uInt16 Get(); 42 sal_Bool Put( sal_uInt16 nId ); 43 sal_Bool Lock( const Range& rRange ); 44 sal_Bool Lock( sal_uInt16 nId ); 45 46 }; 47 48 //------------------------------------------------------------------------ 49 50 // returns sal_True if the id is locked 51 IsLocked(sal_uInt16 nId) const52inline sal_Bool IdPool::IsLocked( sal_uInt16 nId ) const 53 { 54 return ( this->Contains(nId-nOffset) ); 55 } 56 57 58 #endif 59 60