[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.hpp 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 | #if !defined(JANITOR_HPP) |
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| 24 | #define JANITOR_HPP |
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| 25 | |
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| 26 | #include <xercesc/util/XMemory.hpp> |
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| 27 | #include <xercesc/framework/MemoryManager.hpp> |
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| 28 | |
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| 29 | XERCES_CPP_NAMESPACE_BEGIN |
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| 30 | |
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| 31 | template <class T> class Janitor : public XMemory |
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| 32 | { |
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| 33 | public : |
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| 34 | // ----------------------------------------------------------------------- |
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| 35 | // Constructors and Destructor |
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| 36 | // ----------------------------------------------------------------------- |
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| 37 | Janitor(T* const toDelete); |
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| 38 | ~Janitor(); |
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| 39 | |
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| 40 | // ----------------------------------------------------------------------- |
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| 41 | // Public, non-virtual methods |
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| 42 | // ----------------------------------------------------------------------- |
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| 43 | void orphan(); |
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| 44 | |
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| 45 | // small amount of auto_ptr compatibility |
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| 46 | T& operator*() const; |
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| 47 | T* operator->() const; |
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| 48 | T* get() const; |
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| 49 | T* release(); |
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| 50 | void reset(T* p = 0); |
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| 51 | bool isDataNull(); |
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| 52 | |
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| 53 | private : |
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| 54 | // ----------------------------------------------------------------------- |
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| 55 | // Unimplemented constructors and operators |
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| 56 | // ----------------------------------------------------------------------- |
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| 57 | Janitor(); |
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| 58 | Janitor(const Janitor<T>&); |
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| 59 | Janitor<T>& operator=(const Janitor<T>&); |
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| 60 | |
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| 61 | // ----------------------------------------------------------------------- |
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| 62 | // Private data members |
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| 63 | // |
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| 64 | // fData |
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| 65 | // This is the pointer to the object or structure that must be |
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| 66 | // destroyed when this object is destroyed. |
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| 67 | // ----------------------------------------------------------------------- |
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| 68 | T* fData; |
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| 69 | }; |
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| 70 | |
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| 71 | |
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| 72 | |
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| 73 | template <class T> class ArrayJanitor : public XMemory |
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| 74 | { |
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| 75 | public : |
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| 76 | // ----------------------------------------------------------------------- |
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| 77 | // Constructors and Destructor |
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| 78 | // ----------------------------------------------------------------------- |
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| 79 | ArrayJanitor(T* const toDelete); |
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| 80 | ArrayJanitor(T* const toDelete, MemoryManager* const manager); |
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| 81 | ~ArrayJanitor(); |
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| 82 | |
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| 83 | |
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| 84 | // ----------------------------------------------------------------------- |
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| 85 | // Public, non-virtual methods |
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| 86 | // ----------------------------------------------------------------------- |
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| 87 | void orphan(); |
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| 88 | |
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| 89 | // small amount of auto_ptr compatibility |
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| 90 | T& operator[](int index) const; |
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| 91 | T* get() const; |
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| 92 | T* release(); |
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| 93 | void reset(T* p = 0); |
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| 94 | void reset(T* p, MemoryManager* const manager); |
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| 95 | |
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| 96 | private : |
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| 97 | // ----------------------------------------------------------------------- |
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| 98 | // Unimplemented constructors and operators |
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| 99 | // ----------------------------------------------------------------------- |
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| 100 | ArrayJanitor(); |
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| 101 | ArrayJanitor(const ArrayJanitor<T>& copy); |
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| 102 | ArrayJanitor<T>& operator=(const ArrayJanitor<T>& copy); |
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| 103 | |
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| 104 | // ----------------------------------------------------------------------- |
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| 105 | // Private data members |
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| 106 | // |
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| 107 | // fData |
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| 108 | // This is the pointer to the object or structure that must be |
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| 109 | // destroyed when this object is destroyed. |
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| 110 | // ----------------------------------------------------------------------- |
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| 111 | T* fData; |
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| 112 | MemoryManager* fMemoryManager; |
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| 113 | }; |
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| 114 | |
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| 115 | |
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| 116 | |
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| 117 | template <class T> class JanitorMemFunCall |
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| 118 | { |
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| 119 | public : |
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| 120 | |
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| 121 | typedef void (T::*MFPT) (); |
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| 122 | |
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| 123 | // ----------------------------------------------------------------------- |
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| 124 | // Constructors and Destructor |
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| 125 | // ----------------------------------------------------------------------- |
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| 126 | JanitorMemFunCall( |
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| 127 | T* object, |
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| 128 | MFPT toCall); |
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| 129 | |
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| 130 | ~JanitorMemFunCall(); |
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| 131 | |
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| 132 | // ----------------------------------------------------------------------- |
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| 133 | // Public, non-virtual methods |
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| 134 | // ----------------------------------------------------------------------- |
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| 135 | void release(); |
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| 136 | |
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| 137 | private : |
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| 138 | // ----------------------------------------------------------------------- |
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| 139 | // Unimplemented constructors and operators |
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| 140 | // ----------------------------------------------------------------------- |
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| 141 | JanitorMemFunCall(); |
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| 142 | JanitorMemFunCall(const JanitorMemFunCall<T>&); |
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| 143 | JanitorMemFunCall<T>& operator=(const JanitorMemFunCall<T>&); |
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| 144 | |
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| 145 | // ----------------------------------------------------------------------- |
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| 146 | // Private data members |
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| 147 | // |
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| 148 | // fObject |
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| 149 | // This is the pointer to the object for which we will call the |
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| 150 | // member function when this object is destroyed. |
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| 151 | // ----------------------------------------------------------------------- |
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| 152 | T* fObject; |
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| 153 | MFPT fToCall; |
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| 154 | }; |
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| 155 | |
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| 156 | |
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| 157 | |
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| 158 | |
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| 159 | XERCES_CPP_NAMESPACE_END |
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| 160 | |
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| 161 | #if !defined(XERCES_TMPLSINC) |
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| 162 | #include <xercesc/util/Janitor.c> |
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| 163 | #endif |
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| 164 | |
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| 165 | #endif |
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