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 | |
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6 | // DONE: |
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7 | // - klassenhierarchie aufbauen |
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8 | // - in listen einfügen |
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9 | // - factory |
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10 | // - klassen-identifier |
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11 | // - isA u.ä. vergleiche |
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12 | |
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13 | // TODO: |
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14 | // - durch listen iterieren |
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15 | // - searchtree für classname-strings |
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16 | |
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17 | |
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18 | namespace orxonox |
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19 | { |
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20 | // ##### Identifier ##### |
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21 | class IdentifierList; |
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22 | class ObjectList; |
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23 | class BaseObject; |
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24 | template <class T> |
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25 | class ClassIdentifier; |
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26 | |
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27 | class Identifier |
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28 | { |
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29 | template <class T> |
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30 | friend class ClassIdentifier; |
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31 | |
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32 | public: |
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33 | void addObject(BaseObject* object); |
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34 | void removeObject(BaseObject* object); |
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35 | |
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36 | bool isA(Identifier* identifier); |
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37 | bool isDirectA(Identifier* identifier); |
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38 | bool isChildOf(Identifier* identifier); |
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39 | bool isDirectChildOf(Identifier* identifier); |
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40 | bool isParentOf(Identifier* identifier); |
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41 | bool isDirectParentOf(Identifier* identifier); |
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42 | |
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43 | private: |
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44 | Identifier(); |
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45 | void initialize(IdentifierList* parents); |
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46 | |
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47 | IdentifierList* directParents_; |
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48 | IdentifierList* allParents_; |
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49 | IdentifierList* directChildren_; |
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50 | IdentifierList* allChildren_; |
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51 | |
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52 | ObjectList* objects_; |
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53 | std::string name_; |
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54 | |
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55 | bool bCreatedOneObject_; |
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56 | }; |
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57 | |
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58 | template <class T> |
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59 | class ClassIdentifier : public Identifier |
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60 | { |
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61 | public: |
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62 | static ClassIdentifier<T>* registerClass(IdentifierList* parents); |
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63 | static ClassIdentifier<T>* getIdentifier(); |
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64 | static T* create(); |
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65 | |
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66 | private: |
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67 | ClassIdentifier(); |
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68 | |
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69 | static ClassIdentifier<T>* pointer_; |
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70 | |
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71 | }; |
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72 | |
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73 | #define getStringFromClassName(ClassName) \ |
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74 | #ClassName |
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75 | |
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76 | template <class T> |
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77 | ClassIdentifier<T>* ClassIdentifier<T>::pointer_ = NULL; |
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78 | |
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79 | template <class T> |
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80 | ClassIdentifier<T>::ClassIdentifier() |
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81 | { |
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82 | } |
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83 | |
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84 | template <class T> |
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85 | ClassIdentifier<T>* ClassIdentifier<T>::registerClass(IdentifierList* parents) |
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86 | { |
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87 | if (!pointer_) |
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88 | { |
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89 | pointer_ = new ClassIdentifier(); |
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90 | pointer_->name_ = getStringFromClassName(T); |
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91 | pointer_->initialize(parents); |
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92 | } |
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93 | |
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94 | return pointer_; |
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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>::getIdentifier() |
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99 | { |
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100 | if (!pointer_) |
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101 | { |
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102 | T* temp = new T(); |
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103 | delete temp; |
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104 | } |
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105 | |
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106 | return pointer_; |
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107 | } |
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108 | |
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109 | template <class T> |
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110 | T* ClassIdentifier<T>::create() |
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111 | { |
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112 | return new T(); |
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113 | } |
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114 | |
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115 | // ##### Identifier List ##### |
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116 | class IdentifierListElement; |
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117 | |
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118 | class IdentifierList |
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119 | { |
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120 | public: |
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121 | IdentifierList(); |
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122 | ~IdentifierList(); |
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123 | void add(Identifier* identifier); |
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124 | void remove(Identifier* identifier); |
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125 | bool isInList(Identifier* identifier); |
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126 | |
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127 | IdentifierListElement* first_; |
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128 | }; |
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129 | |
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130 | class IdentifierListElement |
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131 | { |
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132 | public: |
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133 | IdentifierListElement(Identifier* identifier); |
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134 | |
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135 | Identifier* identifier_; |
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136 | IdentifierListElement* next_; |
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137 | bool bDirect_; |
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138 | }; |
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139 | |
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140 | |
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141 | // ##### Object List ##### |
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142 | class ObjectListElement; |
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143 | |
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144 | class ObjectList |
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145 | { |
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146 | public: |
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147 | ObjectList(); |
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148 | ~ObjectList(); |
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149 | void add(BaseObject* object); |
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150 | void remove(BaseObject* object); |
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151 | |
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152 | ObjectListElement* first_; |
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153 | }; |
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154 | |
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155 | class ObjectListElement |
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156 | { |
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157 | public: |
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158 | ObjectListElement(BaseObject* object); |
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159 | |
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160 | BaseObject* object_; |
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161 | ObjectListElement* next_; |
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162 | }; |
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163 | |
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164 | |
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165 | // ##### Macros ##### |
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166 | #define registerRootObject(ClassName) \ |
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167 | this->parents_ = new IdentifierList(); \ |
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168 | this->identifier_ = ClassIdentifier<ClassName>::registerClass(this->parents_); \ |
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169 | this->parents_->add(this->identifier_); \ |
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170 | this->identifier_->addObject(this) |
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171 | |
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172 | #define registerObject(ClassName) \ |
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173 | this->identifier_->removeObject(this); \ |
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174 | this->identifier_ = ClassIdentifier<ClassName>::registerClass(this->parents_); \ |
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175 | this->parents_->add(this->identifier_); \ |
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176 | this->identifier_->addObject(this) |
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177 | |
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178 | #define unregisterObject() \ |
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179 | delete this->parents_; \ |
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180 | this->identifier_->removeObject(this) |
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181 | |
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182 | #define Class(ClassName) \ |
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183 | ClassIdentifier<ClassName>::getIdentifier() |
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184 | |
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185 | #define Factory(ClassName) \ |
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186 | ClassIdentifier<ClassName>::create() |
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187 | } |
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188 | |
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189 | #endif |
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