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 28 #ifndef ADC_CPP_SUB_PE_HXX 29 #define ADC_CPP_SUB_PE_HXX 30 31 32 33 // USED SERVICES 34 // BASE CLASSES 35 // COMPONENTS 36 // PARAMETERS 37 38 39 class ParseEnvironment; 40 41 template <class PE, class SUB> 42 class SubPe 43 { 44 public: 45 typedef SubPe< PE, SUB > self; 46 47 SubPe( 48 PE & i_rParent ); 49 PE & Parent() const; 50 SUB & Child() const; 51 52 ParseEnvironment & Get() const; 53 54 private: 55 SUB & CreateChild() const; 56 57 PE & rParent; 58 Dyn<SUB> pChild; 59 }; 60 61 62 63 // IMPLEMENTATION 64 65 66 // SubPe 67 68 template <class PE, class SUB> 69 SubPe<PE,SUB>::SubPe( PE & i_rParent ) 70 : rParent(i_rParent) 71 { 72 } 73 74 template <class PE, class SUB> 75 PE & 76 SubPe<PE,SUB>::Parent() const 77 { 78 return rParent; 79 } 80 81 template <class PE, class SUB> 82 inline SUB & 83 SubPe<PE,SUB>::Child() const 84 { 85 return pChild ? *pChild.MutablePtr() : CreateChild(); 86 } 87 88 template <class PE, class SUB> 89 ParseEnvironment & 90 SubPe<PE,SUB>::Get() const 91 { 92 return Child(); 93 } 94 95 template <class PE, class SUB> 96 SUB & 97 SubPe<PE,SUB>::CreateChild() const 98 { 99 self * pThis = const_cast< self* >(this); 100 101 SUB * pNewChild = new SUB( &rParent); 102 103 pThis->pChild = pNewChild; 104 105 return *pChild.MutablePtr(); 106 } 107 108 109 110 111 #endif 112 113