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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 /* |
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18 * Licensed to the Apache Software Foundation (ASF) under one or more |
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19 * contributor license agreements. See the NOTICE file distributed with |
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20 * this work for additional information regarding copyright ownership. |
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21 * The ASF licenses this file to You under the Apache License, Version 2.0 |
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22 * (the "License"); you may not use this file except in compliance with |
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23 * the License. You may obtain a copy of the License at |
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24 * |
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25 * http://www.apache.org/licenses/LICENSE-2.0 |
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26 * |
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27 * Unless required by applicable law or agreed to in writing, software |
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28 * distributed under the License is distributed on an "AS IS" BASIS, |
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29 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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30 * See the License for the specific language governing permissions and |
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31 * limitations under the License. |
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32 */ |
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33 |
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34 /* |
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35 * $Id: Janitor.hpp 568078 2007-08-21 11:43:25Z amassari $ |
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36 */ |
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37 |
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38 |
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39 #if !defined(JANITOR_HPP) |
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40 #define JANITOR_HPP |
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41 |
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42 #include <xercesc/util/XMemory.hpp> |
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43 #include <xercesc/framework/MemoryManager.hpp> |
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44 |
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45 XERCES_CPP_NAMESPACE_BEGIN |
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46 |
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47 template <class T> class Janitor : public XMemory |
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48 { |
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49 public : |
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50 // ----------------------------------------------------------------------- |
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51 // Constructors and Destructor |
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52 // ----------------------------------------------------------------------- |
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53 Janitor(T* const toDelete); |
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54 ~Janitor(); |
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55 |
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56 // ----------------------------------------------------------------------- |
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57 // Public, non-virtual methods |
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58 // ----------------------------------------------------------------------- |
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59 void orphan(); |
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60 |
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61 // small amount of auto_ptr compatibility |
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62 T& operator*() const; |
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63 T* operator->() const; |
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64 T* get() const; |
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65 T* release(); |
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66 void reset(T* p = 0); |
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67 bool isDataNull(); |
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68 |
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69 private : |
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70 // ----------------------------------------------------------------------- |
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71 // Unimplemented constructors and operators |
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72 // ----------------------------------------------------------------------- |
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73 Janitor(); |
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74 Janitor(const Janitor<T>&); |
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75 Janitor<T>& operator=(const Janitor<T>&); |
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76 |
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77 // ----------------------------------------------------------------------- |
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78 // Private data members |
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79 // |
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80 // fData |
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81 // This is the pointer to the object or structure that must be |
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82 // destroyed when this object is destroyed. |
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83 // ----------------------------------------------------------------------- |
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84 T* fData; |
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85 }; |
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86 |
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87 |
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88 |
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89 template <class T> class ArrayJanitor : public XMemory |
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90 { |
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91 public : |
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92 // ----------------------------------------------------------------------- |
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93 // Constructors and Destructor |
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94 // ----------------------------------------------------------------------- |
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95 ArrayJanitor(T* const toDelete); |
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96 ArrayJanitor(T* const toDelete, MemoryManager* const manager); |
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97 ~ArrayJanitor(); |
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98 |
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99 |
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100 // ----------------------------------------------------------------------- |
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101 // Public, non-virtual methods |
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102 // ----------------------------------------------------------------------- |
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103 void orphan(); |
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104 |
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105 // small amount of auto_ptr compatibility |
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106 T& operator[](int index) const; |
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107 T* get() const; |
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108 T* release(); |
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109 void reset(T* p = 0); |
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110 void reset(T* p, MemoryManager* const manager); |
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111 |
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112 private : |
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113 // ----------------------------------------------------------------------- |
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114 // Unimplemented constructors and operators |
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115 // ----------------------------------------------------------------------- |
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116 ArrayJanitor(); |
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117 ArrayJanitor(const ArrayJanitor<T>& copy); |
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118 ArrayJanitor<T>& operator=(const ArrayJanitor<T>& copy); |
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119 |
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120 // ----------------------------------------------------------------------- |
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121 // Private data members |
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122 // |
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123 // fData |
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124 // This is the pointer to the object or structure that must be |
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125 // destroyed when this object is destroyed. |
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126 // ----------------------------------------------------------------------- |
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127 T* fData; |
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128 MemoryManager* fMemoryManager; |
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129 }; |
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130 |
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131 |
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132 |
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133 template <class T> class JanitorMemFunCall |
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134 { |
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135 public : |
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136 |
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137 typedef void (T::*MFPT) (); |
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138 |
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139 // ----------------------------------------------------------------------- |
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140 // Constructors and Destructor |
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141 // ----------------------------------------------------------------------- |
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142 JanitorMemFunCall( |
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143 T* object, |
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144 MFPT toCall); |
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145 |
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146 ~JanitorMemFunCall(); |
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147 |
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148 // ----------------------------------------------------------------------- |
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149 // Public, non-virtual methods |
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150 // ----------------------------------------------------------------------- |
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151 void release(); |
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152 |
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153 private : |
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154 // ----------------------------------------------------------------------- |
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155 // Unimplemented constructors and operators |
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156 // ----------------------------------------------------------------------- |
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157 JanitorMemFunCall(); |
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158 JanitorMemFunCall(const JanitorMemFunCall<T>&); |
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159 JanitorMemFunCall<T>& operator=(const JanitorMemFunCall<T>&); |
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160 |
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161 // ----------------------------------------------------------------------- |
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162 // Private data members |
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163 // |
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164 // fObject |
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165 // This is the pointer to the object for which we will call the |
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166 // member function when this object is destroyed. |
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167 // ----------------------------------------------------------------------- |
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168 T* fObject; |
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169 MFPT fToCall; |
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170 }; |
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171 |
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172 |
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173 |
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174 |
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175 XERCES_CPP_NAMESPACE_END |
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176 |
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177 #if !defined(XERCES_TMPLSINC) |
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178 #include <xercesc/util/Janitor.c> |
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179 #endif |
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180 |
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181 #endif |