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: ValueVectorOf.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/ValueVectorOf.hpp> |
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28 | #endif |
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29 | #include <string.h> |
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30 | |
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31 | XERCES_CPP_NAMESPACE_BEGIN |
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32 | |
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33 | // --------------------------------------------------------------------------- |
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34 | // ValueVectorOf: Constructors and Destructor |
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35 | // --------------------------------------------------------------------------- |
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36 | template <class TElem> |
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37 | ValueVectorOf<TElem>::ValueVectorOf(const unsigned int maxElems, |
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38 | MemoryManager* const manager, |
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39 | const bool toCallDestructor) : |
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40 | |
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41 | fCallDestructor(toCallDestructor) |
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42 | , fCurCount(0) |
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43 | , fMaxCount(maxElems) |
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44 | , fElemList(0) |
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45 | , fMemoryManager(manager) |
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46 | { |
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47 | fElemList = (TElem*) fMemoryManager->allocate |
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48 | ( |
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49 | fMaxCount * sizeof(TElem) |
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50 | ); //new TElem[fMaxCount]; |
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51 | |
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52 | memset(fElemList, 0, fMaxCount * sizeof(TElem)); |
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53 | } |
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54 | |
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55 | template <class TElem> |
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56 | ValueVectorOf<TElem>::ValueVectorOf(const ValueVectorOf<TElem>& toCopy) : |
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57 | XMemory(toCopy) |
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58 | , fCallDestructor(toCopy.fCallDestructor) |
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59 | , fCurCount(toCopy.fCurCount) |
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60 | , fMaxCount(toCopy.fMaxCount) |
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61 | , fElemList(0) |
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62 | , fMemoryManager(toCopy.fMemoryManager) |
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63 | { |
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64 | fElemList = (TElem*) fMemoryManager->allocate |
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65 | ( |
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66 | fMaxCount * sizeof(TElem) |
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67 | ); //new TElem[fMaxCount]; |
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68 | |
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69 | memset(fElemList, 0, fMaxCount * sizeof(TElem)); |
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70 | for (unsigned int index = 0; index < fCurCount; index++) |
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71 | fElemList[index] = toCopy.fElemList[index]; |
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72 | } |
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73 | |
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74 | template <class TElem> ValueVectorOf<TElem>::~ValueVectorOf() |
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75 | { |
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76 | if (fCallDestructor) { |
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77 | for (int index= fMaxCount - 1; index >= 0; index--) |
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78 | fElemList[index].~TElem(); |
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79 | } |
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80 | fMemoryManager->deallocate(fElemList); //delete [] fElemList; |
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81 | } |
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82 | |
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83 | |
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84 | |
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85 | // --------------------------------------------------------------------------- |
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86 | // ValueVectorOf: Operators |
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87 | // --------------------------------------------------------------------------- |
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88 | template <class TElem> ValueVectorOf<TElem>& |
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89 | ValueVectorOf<TElem>::operator=(const ValueVectorOf<TElem>& toAssign) |
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90 | { |
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91 | if (this == &toAssign) |
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92 | return *this; |
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93 | |
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94 | // Reallocate if required |
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95 | if (fMaxCount < toAssign.fCurCount) |
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96 | { |
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97 | fMemoryManager->deallocate(fElemList); //delete [] fElemList; |
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98 | fElemList = (TElem*) fMemoryManager->allocate |
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99 | ( |
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100 | toAssign.fMaxCount * sizeof(TElem) |
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101 | ); //new TElem[toAssign.fMaxCount]; |
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102 | fMaxCount = toAssign.fMaxCount; |
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103 | } |
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104 | |
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105 | fCurCount = toAssign.fCurCount; |
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106 | for (unsigned int index = 0; index < fCurCount; index++) |
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107 | fElemList[index] = toAssign.fElemList[index]; |
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108 | |
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109 | return *this; |
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110 | } |
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111 | |
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112 | |
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113 | // --------------------------------------------------------------------------- |
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114 | // ValueVectorOf: Element management |
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115 | // --------------------------------------------------------------------------- |
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116 | template <class TElem> void ValueVectorOf<TElem>::addElement(const TElem& toAdd) |
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117 | { |
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118 | ensureExtraCapacity(1); |
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119 | fElemList[fCurCount] = toAdd; |
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120 | fCurCount++; |
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121 | } |
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122 | |
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123 | template <class TElem> void ValueVectorOf<TElem>:: |
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124 | setElementAt(const TElem& toSet, const unsigned int setAt) |
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125 | { |
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126 | if (setAt >= fCurCount) |
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127 | ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); |
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128 | fElemList[setAt] = toSet; |
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129 | } |
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130 | |
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131 | template <class TElem> void ValueVectorOf<TElem>:: |
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132 | insertElementAt(const TElem& toInsert, const unsigned int insertAt) |
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133 | { |
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134 | if (insertAt == fCurCount) |
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135 | { |
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136 | addElement(toInsert); |
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137 | return; |
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138 | } |
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139 | |
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140 | if (insertAt > fCurCount) |
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141 | ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); |
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142 | |
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143 | // Make room for the newbie |
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144 | ensureExtraCapacity(1); |
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145 | for (unsigned int index = fCurCount; index > insertAt; index--) |
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146 | fElemList[index] = fElemList[index-1]; |
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147 | |
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148 | // And stick it in and bump the count |
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149 | fElemList[insertAt] = toInsert; |
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150 | fCurCount++; |
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151 | } |
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152 | |
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153 | template <class TElem> void ValueVectorOf<TElem>:: |
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154 | removeElementAt(const unsigned int removeAt) |
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155 | { |
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156 | if (removeAt >= fCurCount) |
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157 | ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); |
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158 | |
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159 | if (removeAt == fCurCount-1) |
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160 | { |
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161 | fCurCount--; |
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162 | return; |
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163 | } |
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164 | |
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165 | // Copy down every element above remove point |
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166 | for (unsigned int index = removeAt; index < fCurCount-1; index++) |
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167 | fElemList[index] = fElemList[index+1]; |
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168 | |
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169 | // And bump down count |
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170 | fCurCount--; |
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171 | } |
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172 | |
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173 | template <class TElem> void ValueVectorOf<TElem>::removeAllElements() |
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174 | { |
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175 | fCurCount = 0; |
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176 | } |
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177 | |
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178 | template <class TElem> |
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179 | bool ValueVectorOf<TElem>::containsElement(const TElem& toCheck, |
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180 | const unsigned int startIndex) { |
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181 | |
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182 | for (unsigned int i = startIndex; i < fCurCount; i++) { |
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183 | if (fElemList[i] == toCheck) { |
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184 | return true; |
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185 | } |
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186 | } |
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187 | |
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188 | return false; |
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189 | } |
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190 | |
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191 | |
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192 | // --------------------------------------------------------------------------- |
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193 | // ValueVectorOf: Getter methods |
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194 | // --------------------------------------------------------------------------- |
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195 | template <class TElem> const TElem& ValueVectorOf<TElem>:: |
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196 | elementAt(const unsigned int getAt) const |
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197 | { |
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198 | if (getAt >= fCurCount) |
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199 | ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); |
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200 | return fElemList[getAt]; |
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201 | } |
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202 | |
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203 | template <class TElem> TElem& ValueVectorOf<TElem>:: |
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204 | elementAt(const unsigned int getAt) |
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205 | { |
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206 | if (getAt >= fCurCount) |
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207 | ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Vector_BadIndex, fMemoryManager); |
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208 | return fElemList[getAt]; |
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209 | } |
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210 | |
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211 | template <class TElem> unsigned int ValueVectorOf<TElem>::curCapacity() const |
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212 | { |
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213 | return fMaxCount; |
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214 | } |
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215 | |
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216 | template <class TElem> unsigned int ValueVectorOf<TElem>::size() const |
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217 | { |
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218 | return fCurCount; |
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219 | } |
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220 | |
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221 | template <class TElem> |
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222 | MemoryManager* ValueVectorOf<TElem>::getMemoryManager() const |
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223 | { |
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224 | return fMemoryManager; |
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225 | } |
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226 | |
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227 | // --------------------------------------------------------------------------- |
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228 | // ValueVectorOf: Miscellaneous |
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229 | // --------------------------------------------------------------------------- |
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230 | template <class TElem> void ValueVectorOf<TElem>:: |
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231 | ensureExtraCapacity(const unsigned int length) |
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232 | { |
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233 | unsigned int newMax = fCurCount + length; |
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234 | |
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235 | if (newMax <= fMaxCount) |
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236 | return; |
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237 | |
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238 | // Avoid too many reallocations by expanding by a percentage |
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239 | unsigned int minNewMax = (unsigned int)((double)fCurCount * 1.25); |
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240 | if (newMax < minNewMax) |
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241 | newMax = minNewMax; |
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242 | |
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243 | TElem* newList = (TElem*) fMemoryManager->allocate |
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244 | ( |
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245 | newMax * sizeof(TElem) |
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246 | ); //new TElem[newMax]; |
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247 | for (unsigned int index = 0; index < fCurCount; index++) |
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248 | newList[index] = fElemList[index]; |
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249 | |
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250 | fMemoryManager->deallocate(fElemList); //delete [] fElemList; |
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251 | fElemList = newList; |
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252 | fMaxCount = newMax; |
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253 | } |
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254 | |
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255 | template <class TElem> const TElem* ValueVectorOf<TElem>::rawData() const |
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256 | { |
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257 | return fElemList; |
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258 | } |
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259 | |
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260 | |
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261 | |
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262 | // --------------------------------------------------------------------------- |
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263 | // ValueVectorEnumerator: Constructors and Destructor |
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264 | // --------------------------------------------------------------------------- |
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265 | template <class TElem> ValueVectorEnumerator<TElem>:: |
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266 | ValueVectorEnumerator( ValueVectorOf<TElem>* const toEnum |
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267 | , const bool adopt) : |
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268 | fAdopted(adopt) |
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269 | , fCurIndex(0) |
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270 | , fToEnum(toEnum) |
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271 | { |
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272 | } |
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273 | |
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274 | template <class TElem> ValueVectorEnumerator<TElem>::~ValueVectorEnumerator() |
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275 | { |
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276 | if (fAdopted) |
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277 | delete fToEnum; |
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278 | } |
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279 | |
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280 | |
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281 | // --------------------------------------------------------------------------- |
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282 | // ValueVectorEnumerator: Enum interface |
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283 | // --------------------------------------------------------------------------- |
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284 | template <class TElem> bool |
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285 | ValueVectorEnumerator<TElem>::hasMoreElements() const |
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286 | { |
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287 | if (fCurIndex >= fToEnum->size()) |
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288 | return false; |
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289 | return true; |
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290 | } |
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291 | |
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292 | template <class TElem> TElem& ValueVectorEnumerator<TElem>::nextElement() |
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293 | { |
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294 | return fToEnum->elementAt(fCurIndex++); |
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295 | } |
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296 | |
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297 | template <class TElem> void ValueVectorEnumerator<TElem>::Reset() |
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298 | { |
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299 | fCurIndex = 0; |
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300 | } |
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301 | |
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302 | XERCES_CPP_NAMESPACE_END |
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