1 | #ifndef _ClassHierarchy_H__ |
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2 | #define _ClassHierarchy_H__ |
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3 | |
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4 | #include <string> |
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5 | #include <iostream> |
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6 | |
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7 | // DONE: |
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8 | // - klassenhierarchie aufbauen |
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9 | // - in listen einfügen |
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10 | // - factory |
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11 | // - klassen-identifier |
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12 | // - isA u.ä. vergleiche |
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13 | |
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14 | // TODO: |
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15 | // - durch listen iterieren |
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16 | // - searchtree für classname-strings |
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17 | |
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18 | |
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19 | namespace orxonox |
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20 | { |
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21 | // ##### ClassHierarchy ##### |
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22 | class ClassHierarchy |
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23 | { |
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24 | public: |
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25 | static ClassHierarchy* getSingleton(); |
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26 | bool isCreatingHierarchy() { return this->bCreatingHierarchy_; } |
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27 | void createHierarchy(bool bCreatingHierarchy) { this->bCreatingHierarchy_ = bCreatingHierarchy; std::cout << "*** Switched Hierarchy-Creating-Mode to" << bCreatingHierarchy << "\n"; } |
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28 | |
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29 | private: |
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30 | ClassHierarchy(); |
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31 | |
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32 | static ClassHierarchy* pointer_; |
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33 | bool bCreatingHierarchy_; |
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34 | }; |
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35 | |
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36 | // ##### Identifier ##### |
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37 | class IdentifierList; |
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38 | class ObjectList; |
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39 | class OrxonoxClass; |
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40 | template <class T> |
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41 | class ClassIdentifier; |
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42 | |
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43 | class Identifier |
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44 | { |
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45 | template <class T> |
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46 | friend class ClassIdentifier; |
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47 | |
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48 | public: |
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49 | void addObject(OrxonoxClass* object); |
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50 | void removeObject(OrxonoxClass* object); |
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51 | |
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52 | bool isA(Identifier* identifier); |
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53 | bool isDirectA(Identifier* identifier); |
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54 | bool isChildOf(Identifier* identifier); |
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55 | bool isDirectChildOf(Identifier* identifier); |
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56 | bool isParentOf(Identifier* identifier); |
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57 | bool isDirectParentOf(Identifier* identifier); |
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58 | |
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59 | private: |
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60 | Identifier(); |
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61 | void initialize(IdentifierList* parents); |
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62 | |
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63 | IdentifierList* directParents_; |
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64 | IdentifierList* allParents_; |
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65 | IdentifierList* directChildren_; |
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66 | IdentifierList* allChildren_; |
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67 | |
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68 | ObjectList* objects_; |
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69 | std::string name_; |
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70 | |
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71 | bool bCreatedOneObject_; |
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72 | }; |
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73 | |
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74 | template <class T> |
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75 | class ClassIdentifier : public Identifier |
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76 | { |
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77 | public: |
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78 | static ClassIdentifier<T>* registerClass(IdentifierList* parents, std::string name, bool bRootClass); |
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79 | static ClassIdentifier<T>* getIdentifier(); |
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80 | static T* create(); |
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81 | |
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82 | private: |
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83 | ClassIdentifier(); |
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84 | |
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85 | static ClassIdentifier<T>* pointer_; |
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86 | |
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87 | }; |
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88 | |
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89 | template <class T> |
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90 | ClassIdentifier<T>* ClassIdentifier<T>::pointer_ = NULL; |
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91 | |
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92 | template <class T> |
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93 | ClassIdentifier<T>::ClassIdentifier() |
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94 | { |
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95 | } |
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96 | |
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97 | template <class T> |
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98 | ClassIdentifier<T>* ClassIdentifier<T>::registerClass(IdentifierList* parents, std::string name, bool bRootClass) |
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99 | { |
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100 | std::cout << "*** Register Class in " << name << "-Singleton.\n"; |
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101 | if (!pointer_) |
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102 | { |
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103 | std::cout << "*** Register Class in " << name << "-Singleton -> Create Singleton.\n"; |
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104 | if (parents || bRootClass) |
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105 | { |
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106 | pointer_ = new ClassIdentifier(); |
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107 | pointer_->name_ = name; |
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108 | pointer_->initialize(parents); |
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109 | } |
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110 | else |
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111 | { |
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112 | pointer_ = getIdentifier(); |
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113 | } |
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114 | } |
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115 | |
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116 | return pointer_; |
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117 | } |
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118 | |
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119 | template <class T> |
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120 | ClassIdentifier<T>* ClassIdentifier<T>::getIdentifier() |
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121 | { |
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122 | std::cout << "*** Get Identifier.\n"; |
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123 | if (!pointer_) |
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124 | { |
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125 | std::cout << "*** Get Identifier -> Create Class\n"; |
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126 | ClassHierarchy::getSingleton()->createHierarchy(true); |
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127 | T* temp = new T(); |
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128 | ClassHierarchy::getSingleton()->createHierarchy(false); |
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129 | delete temp; |
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130 | } |
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131 | |
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132 | return pointer_; |
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133 | } |
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134 | |
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135 | template <class T> |
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136 | T* ClassIdentifier<T>::create() |
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137 | { |
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138 | return new T(); |
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139 | } |
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140 | |
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141 | // ##### Identifier List ##### |
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142 | class IdentifierListElement; |
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143 | |
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144 | class IdentifierList |
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145 | { |
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146 | public: |
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147 | IdentifierList(); |
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148 | ~IdentifierList(); |
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149 | void add(Identifier* identifier); |
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150 | void remove(Identifier* identifier); |
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151 | bool isInList(Identifier* identifier); |
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152 | |
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153 | IdentifierListElement* first_; |
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154 | }; |
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155 | |
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156 | class IdentifierListElement |
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157 | { |
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158 | public: |
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159 | IdentifierListElement(Identifier* identifier); |
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160 | |
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161 | Identifier* identifier_; |
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162 | IdentifierListElement* next_; |
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163 | bool bDirect_; |
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164 | }; |
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165 | |
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166 | |
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167 | // ##### Object List ##### |
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168 | class ObjectListElement; |
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169 | |
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170 | class ObjectList |
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171 | { |
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172 | public: |
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173 | ObjectList(); |
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174 | ~ObjectList(); |
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175 | void add(OrxonoxClass* object); |
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176 | void remove(OrxonoxClass* object); |
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177 | |
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178 | ObjectListElement* first_; |
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179 | }; |
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180 | |
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181 | class ObjectListElement |
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182 | { |
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183 | public: |
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184 | ObjectListElement(OrxonoxClass* object); |
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185 | |
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186 | OrxonoxClass* object_; |
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187 | ObjectListElement* next_; |
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188 | }; |
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189 | |
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190 | // ##### Macros ##### |
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191 | #define registerRootObject(ClassName) \ |
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192 | std::cout << "*** Register Root-Object: " << #ClassName << "\n"; \ |
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193 | if (ClassHierarchy::getSingleton()->isCreatingHierarchy() && !this->getParents()) \ |
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194 | this->setParents(new IdentifierList()); \ |
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195 | if (this->getIdentifier()) \ |
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196 | this->getIdentifier()->removeObject(this); \ |
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197 | this->setIdentifier(ClassIdentifier<ClassName>::registerClass(this->getParents(), #ClassName, true)); \ |
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198 | if (ClassHierarchy::getSingleton()->isCreatingHierarchy() && this->getParents()) \ |
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199 | this->getParents()->add(this->getIdentifier()); \ |
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200 | this->getIdentifier()->addObject(this) |
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201 | |
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202 | #define registerObject(ClassName) \ |
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203 | std::cout << "*** Register Object: " << #ClassName << "\n"; \ |
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204 | this->getIdentifier()->removeObject(this); \ |
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205 | this->setIdentifier(ClassIdentifier<ClassName>::registerClass(this->getParents(), #ClassName, false)); \ |
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206 | if (ClassHierarchy::getSingleton()->isCreatingHierarchy() && this->getParents()) \ |
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207 | this->getParents()->add(this->getIdentifier()); \ |
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208 | this->getIdentifier()->addObject(this) |
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209 | |
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210 | #define unregisterObject() \ |
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211 | this->getIdentifier()->removeObject(this) |
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212 | |
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213 | #define Class(ClassName) \ |
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214 | ClassIdentifier<ClassName>::getIdentifier() |
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215 | |
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216 | #define Factory(ClassName) \ |
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217 | ClassIdentifier<ClassName>::create() |
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218 | } |
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219 | |
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220 | #endif |
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