[197] | 1 | #ifndef _ObjectList_H__ |
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| 2 | #define _ObjectList_H__ |
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| 3 | |
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| 4 | namespace orxonox |
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| 5 | { |
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| 6 | class OrxonoxClass; |
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| 7 | |
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[224] | 8 | // ############################### |
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| 9 | // ### ObjectListElement ### |
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| 10 | // ############################### |
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| 11 | template <class T> |
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[197] | 12 | class ObjectListElement |
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| 13 | { |
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| 14 | public: |
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[224] | 15 | ObjectListElement(T* object); |
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[197] | 16 | ~ObjectListElement(); |
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| 17 | |
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[224] | 18 | T* object_; |
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[197] | 19 | ObjectListElement* next_; |
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[221] | 20 | ObjectListElement* prev_; |
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[197] | 21 | }; |
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| 22 | |
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[224] | 23 | template <class T> |
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| 24 | ObjectListElement<T>::ObjectListElement(T* object) |
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| 25 | { |
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| 26 | this->object_ = object; |
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| 27 | this->next_ = 0; |
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| 28 | this->prev_ = 0; |
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| 29 | } |
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| 30 | |
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| 31 | template <class T> |
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| 32 | ObjectListElement<T>::~ObjectListElement() |
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| 33 | { |
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| 34 | } |
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| 35 | |
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| 36 | |
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| 37 | // ############################### |
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| 38 | // ### ObjectList ### |
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| 39 | // ############################### |
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| 40 | template <class T> |
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[248] | 41 | class Iterator; |
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| 42 | |
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| 43 | template <class T> |
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[197] | 44 | class ObjectList |
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| 45 | { |
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| 46 | public: |
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| 47 | ObjectList(); |
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| 48 | ~ObjectList(); |
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[246] | 49 | ObjectListElement<T>* add(T* object); |
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[221] | 50 | void remove(OrxonoxClass* object, bool bIterateForwards = true); |
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[197] | 51 | |
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[248] | 52 | inline static Iterator<T> start() |
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| 53 | { Iterator<T>(pointer_s->first_); } |
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| 54 | inline static Iterator<T> end() |
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| 55 | { Iterator<T>(pointer_s->last_); } |
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| 56 | |
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[224] | 57 | ObjectListElement<T>* first_; |
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| 58 | ObjectListElement<T>* last_; |
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[248] | 59 | |
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| 60 | private: |
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| 61 | static ObjectList<T>* pointer_s; |
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[197] | 62 | }; |
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[224] | 63 | |
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| 64 | template <class T> |
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[248] | 65 | ObjectList<T>* ObjectList<T>::pointer_s = 0; |
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| 66 | |
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| 67 | template <class T> |
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[224] | 68 | ObjectList<T>::ObjectList() |
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| 69 | { |
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| 70 | this->first_ = 0; |
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| 71 | this->last_ = 0; |
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[248] | 72 | |
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| 73 | this->pointer_s = this; |
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[224] | 74 | } |
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| 75 | |
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| 76 | template <class T> |
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| 77 | ObjectList<T>::~ObjectList() |
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| 78 | { |
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| 79 | ObjectListElement<T>* temp; |
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| 80 | while (this->first_) |
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| 81 | { |
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| 82 | temp = this->first_->next_; |
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| 83 | delete this->first_; |
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| 84 | this->first_ = temp; |
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| 85 | } |
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| 86 | } |
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| 87 | |
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| 88 | template <class T> |
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[246] | 89 | ObjectListElement<T>* ObjectList<T>::add(T* object) |
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[224] | 90 | { |
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| 91 | if (!this->last_) |
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| 92 | { |
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| 93 | this->last_ = new ObjectListElement<T>(object); |
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| 94 | this->first_ = this->last_; |
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| 95 | } |
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| 96 | else |
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| 97 | { |
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| 98 | ObjectListElement<T>* temp = this->last_; |
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| 99 | this->last_ = new ObjectListElement<T>(object); |
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| 100 | this->last_->prev_ = temp; |
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| 101 | temp->next_ = this->last_; |
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| 102 | } |
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[246] | 103 | |
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| 104 | return this->last_; |
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[224] | 105 | } |
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| 106 | |
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| 107 | template <class T> |
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| 108 | void ObjectList<T>::remove(OrxonoxClass* object, bool bIterateForwards) |
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| 109 | { |
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| 110 | if (!object || !this->first_ || !this->last_) |
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| 111 | return; |
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| 112 | |
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| 113 | if (this->first_ == this->last_) |
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| 114 | { |
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| 115 | if (this->first_->object_ == object) |
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| 116 | { |
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| 117 | delete this->first_; |
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| 118 | this->first_ = 0; |
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| 119 | this->last_ = 0; |
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| 120 | } |
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| 121 | |
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| 122 | return; |
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| 123 | } |
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| 124 | |
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| 125 | if (bIterateForwards) |
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| 126 | { |
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| 127 | if (this->first_->object_ == object) |
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| 128 | { |
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| 129 | ObjectListElement<T>* temp = this->first_->next_; |
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| 130 | delete this->first_; |
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| 131 | this->first_ = temp; |
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| 132 | this->first_->prev_ = 0; |
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| 133 | |
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| 134 | return; |
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| 135 | } |
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| 136 | |
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| 137 | ObjectListElement<T>* temp = this->first_; |
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| 138 | while (temp->next_) |
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| 139 | { |
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| 140 | if (temp->next_->object_ == object) |
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| 141 | { |
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| 142 | ObjectListElement<T>* temp2 = temp->next_->next_; |
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| 143 | delete temp->next_; |
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| 144 | temp->next_ = temp2; |
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| 145 | if (temp2) |
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| 146 | temp2->prev_ = temp; |
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| 147 | else |
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| 148 | this->last_ = temp; |
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| 149 | |
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| 150 | return; |
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| 151 | } |
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| 152 | |
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| 153 | temp = temp->next_; |
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| 154 | } |
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| 155 | } |
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| 156 | else |
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| 157 | { |
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| 158 | if (this->last_->object_ == object) |
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| 159 | { |
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| 160 | ObjectListElement<T>* temp = this->last_->prev_; |
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| 161 | delete this->last_; |
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| 162 | this->last_ = temp; |
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| 163 | this->last_->next_ = 0; |
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| 164 | |
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| 165 | return; |
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| 166 | } |
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| 167 | |
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| 168 | ObjectListElement<T>* temp = this->last_; |
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| 169 | while (temp->prev_) |
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| 170 | { |
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| 171 | if (temp->prev_->object_ == object) |
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| 172 | { |
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| 173 | ObjectListElement<T>* temp2 = temp->prev_->prev_; |
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| 174 | delete temp->prev_; |
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| 175 | temp->prev_ = temp2; |
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| 176 | if (temp2) |
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| 177 | temp2->next_ = temp; |
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| 178 | else |
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| 179 | this->first_ = temp; |
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| 180 | |
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| 181 | return; |
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| 182 | } |
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| 183 | |
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| 184 | temp = temp->prev_; |
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| 185 | } |
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| 186 | } |
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| 187 | } |
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[197] | 188 | } |
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| 189 | |
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| 190 | #endif |
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