[2674] | 1 | /* |
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| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 3 | * contributor license agreements. See the NOTICE file distributed with |
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| 4 | * this work for additional information regarding copyright ownership. |
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| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 6 | * (the "License"); you may not use this file except in compliance with |
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| 7 | * the License. You may obtain a copy of the License at |
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| 8 | * |
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 10 | * |
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| 11 | * Unless required by applicable law or agreed to in writing, software |
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 14 | * See the License for the specific language governing permissions and |
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| 15 | * limitations under the License. |
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| 16 | */ |
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| 17 | |
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| 18 | /* |
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| 19 | * $Id: Janitor.c 568078 2007-08-21 11:43:25Z amassari $ |
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| 20 | */ |
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| 21 | |
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| 22 | |
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| 23 | // --------------------------------------------------------------------------- |
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| 24 | // Includes |
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| 25 | // --------------------------------------------------------------------------- |
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| 26 | #if defined(XERCES_TMPLSINC) |
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| 27 | #include <xercesc/util/Janitor.hpp> |
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| 28 | #endif |
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| 29 | |
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| 30 | XERCES_CPP_NAMESPACE_BEGIN |
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| 31 | |
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| 32 | // --------------------------------------------------------------------------- |
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| 33 | // Janitor: Constructors and Destructor |
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| 34 | // --------------------------------------------------------------------------- |
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| 35 | template <class T> Janitor<T>::Janitor(T* const toDelete) : |
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| 36 | fData(toDelete) |
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| 37 | { |
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| 38 | } |
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| 39 | |
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| 40 | |
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| 41 | template <class T> Janitor<T>::~Janitor() |
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| 42 | { |
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| 43 | reset(); |
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| 44 | } |
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| 45 | |
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| 46 | |
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| 47 | // --------------------------------------------------------------------------- |
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| 48 | // Janitor: Public, non-virtual methods |
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| 49 | // --------------------------------------------------------------------------- |
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| 50 | template <class T> void |
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| 51 | Janitor<T>::orphan() |
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| 52 | { |
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| 53 | release(); |
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| 54 | } |
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| 55 | |
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| 56 | |
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| 57 | template <class T> T& |
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| 58 | Janitor<T>::operator*() const |
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| 59 | { |
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| 60 | return *fData; |
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| 61 | } |
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| 62 | |
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| 63 | |
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| 64 | template <class T> T* |
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| 65 | Janitor<T>::operator->() const |
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| 66 | { |
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| 67 | return fData; |
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| 68 | } |
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| 69 | |
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| 70 | |
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| 71 | template <class T> T* |
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| 72 | Janitor<T>::get() const |
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| 73 | { |
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| 74 | return fData; |
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| 75 | } |
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| 76 | |
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| 77 | |
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| 78 | template <class T> T* |
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| 79 | Janitor<T>::release() |
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| 80 | { |
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| 81 | T* p = fData; |
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| 82 | fData = 0; |
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| 83 | return p; |
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| 84 | } |
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| 85 | |
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| 86 | |
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| 87 | template <class T> void Janitor<T>::reset(T* p) |
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| 88 | { |
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| 89 | if (fData) |
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| 90 | delete fData; |
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| 91 | |
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| 92 | fData = p; |
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| 93 | } |
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| 94 | |
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| 95 | template <class T> bool Janitor<T>::isDataNull() |
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| 96 | { |
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| 97 | return (fData == 0); |
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| 98 | } |
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| 99 | |
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| 100 | |
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| 101 | // ----------------------------------------------------------------------- |
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| 102 | // ArrayJanitor: Constructors and Destructor |
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| 103 | // ----------------------------------------------------------------------- |
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| 104 | template <class T> ArrayJanitor<T>::ArrayJanitor(T* const toDelete) : |
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| 105 | fData(toDelete) |
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| 106 | , fMemoryManager(0) |
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| 107 | { |
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| 108 | } |
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| 109 | |
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| 110 | template <class T> |
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| 111 | ArrayJanitor<T>::ArrayJanitor(T* const toDelete, |
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| 112 | MemoryManager* const manager) : |
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| 113 | fData(toDelete) |
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| 114 | , fMemoryManager(manager) |
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| 115 | { |
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| 116 | } |
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| 117 | |
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| 118 | |
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| 119 | template <class T> ArrayJanitor<T>::~ArrayJanitor() |
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| 120 | { |
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| 121 | reset(); |
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| 122 | } |
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| 123 | |
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| 124 | |
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| 125 | // ----------------------------------------------------------------------- |
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| 126 | // ArrayJanitor: Public, non-virtual methods |
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| 127 | // ----------------------------------------------------------------------- |
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| 128 | template <class T> void |
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| 129 | ArrayJanitor<T>::orphan() |
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| 130 | { |
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| 131 | release(); |
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| 132 | } |
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| 133 | |
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| 134 | |
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| 135 | // Look, Ma! No hands! Don't call this with null data! |
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| 136 | template <class T> T& |
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| 137 | ArrayJanitor<T>::operator[](int index) const |
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| 138 | { |
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| 139 | // TODO: Add appropriate exception |
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| 140 | return fData[index]; |
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| 141 | } |
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| 142 | |
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| 143 | |
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| 144 | template <class T> T* |
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| 145 | ArrayJanitor<T>::get() const |
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| 146 | { |
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| 147 | return fData; |
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| 148 | } |
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| 149 | |
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| 150 | |
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| 151 | template <class T> T* |
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| 152 | ArrayJanitor<T>::release() |
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| 153 | { |
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| 154 | T* p = fData; |
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| 155 | fData = 0; |
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| 156 | return p; |
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| 157 | } |
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| 158 | |
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| 159 | |
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| 160 | template <class T> void |
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| 161 | ArrayJanitor<T>::reset(T* p) |
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| 162 | { |
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| 163 | if (fData) { |
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| 164 | |
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| 165 | if (fMemoryManager) |
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| 166 | fMemoryManager->deallocate((void*)fData); |
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| 167 | else |
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| 168 | delete [] fData; |
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| 169 | } |
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| 170 | |
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| 171 | fData = p; |
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| 172 | fMemoryManager = 0; |
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| 173 | } |
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| 174 | |
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| 175 | template <class T> void |
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| 176 | ArrayJanitor<T>::reset(T* p, MemoryManager* const manager) |
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| 177 | { |
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| 178 | if (fData) { |
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| 179 | |
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| 180 | if (fMemoryManager) |
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| 181 | fMemoryManager->deallocate((void*)fData); |
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| 182 | else |
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| 183 | delete [] fData; |
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| 184 | } |
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| 185 | |
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| 186 | fData = p; |
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| 187 | fMemoryManager = manager; |
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| 188 | } |
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| 189 | |
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| 190 | |
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| 191 | |
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| 192 | template <class T> |
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| 193 | JanitorMemFunCall<T>::JanitorMemFunCall( |
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| 194 | T* object, |
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| 195 | MFPT toCall) : |
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| 196 | fObject(object), |
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| 197 | fToCall(toCall) |
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| 198 | { |
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| 199 | } |
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| 200 | |
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| 201 | |
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| 202 | template <class T> |
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| 203 | JanitorMemFunCall<T>::~JanitorMemFunCall() |
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| 204 | { |
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| 205 | if (fObject != 0 && fToCall != 0) |
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| 206 | { |
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| 207 | (fObject->*fToCall)(); |
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| 208 | } |
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| 209 | } |
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| 210 | |
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| 211 | |
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| 212 | // --------------------------------------------------------------------------- |
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| 213 | // Janitor: Public, non-virtual methods |
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| 214 | // --------------------------------------------------------------------------- |
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| 215 | template <class T> void |
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| 216 | JanitorMemFunCall<T>::release() |
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| 217 | { |
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| 218 | fObject = 0; |
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| 219 | fToCall = 0; |
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| 220 | } |
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| 221 | |
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| 222 | |
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| 223 | |
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| 224 | XERCES_CPP_NAMESPACE_END |
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