[132] | 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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[162] | 5 | #include <iostream> |
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[132] | 6 | |
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[172] | 7 | // DONE AND TESTED: |
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[176] | 8 | // - build class hierarchy |
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| 9 | // - isA, isChildOf, ... |
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| 10 | // - insert into class-lists |
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| 11 | // - ClassIdentifier |
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[172] | 12 | |
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| 13 | // IN WORK: |
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[176] | 14 | // - BaseIdentifier |
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| 15 | // - Factory |
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[132] | 16 | |
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[172] | 17 | // TO DO: |
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[176] | 18 | // - iterate through lists |
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| 19 | // - searchtree for classname-strings |
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[132] | 20 | |
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[149] | 21 | |
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| 22 | namespace orxonox |
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| 23 | { |
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[162] | 24 | // ##### ClassHierarchy ##### |
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[172] | 25 | template <class T> |
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| 26 | class ClassIdentifier; |
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| 27 | |
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[162] | 28 | class ClassHierarchy |
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| 29 | { |
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[172] | 30 | template <class T> |
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| 31 | friend class ClassIdentifier; |
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| 32 | |
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[162] | 33 | public: |
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| 34 | static ClassHierarchy* getSingleton(); |
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[172] | 35 | bool isCreatingHierarchy() { return (this->hierarchyCreatingCounter_ > 0); } |
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[162] | 36 | |
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| 37 | private: |
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| 38 | ClassHierarchy(); |
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[172] | 39 | ~ClassHierarchy(); |
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| 40 | void startCreatingHierarchy() { this->hierarchyCreatingCounter_++; std::cout << "*** Increased Hierarchy-Creating-Counter to " << this->hierarchyCreatingCounter_ << "\n"; } |
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| 41 | void stopCreatingHierarchy() { this->hierarchyCreatingCounter_--; std::cout << "*** Decreased Hierarchy-Creating-Counter to " << this->hierarchyCreatingCounter_ << "\n"; } |
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[162] | 42 | |
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| 43 | static ClassHierarchy* pointer_; |
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[172] | 44 | int hierarchyCreatingCounter_; |
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[162] | 45 | }; |
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| 46 | |
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[149] | 47 | // ##### Identifier ##### |
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| 48 | class IdentifierList; |
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[132] | 49 | class ObjectList; |
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[162] | 50 | class OrxonoxClass; |
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[132] | 51 | |
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[149] | 52 | class Identifier |
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[132] | 53 | { |
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[149] | 54 | template <class T> |
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| 55 | friend class ClassIdentifier; |
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| 56 | |
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[172] | 57 | template <class T> |
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| 58 | friend class BaseIdentifier; |
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| 59 | |
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[132] | 60 | public: |
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[162] | 61 | void addObject(OrxonoxClass* object); |
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| 62 | void removeObject(OrxonoxClass* object); |
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[132] | 63 | |
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[149] | 64 | bool isA(Identifier* identifier); |
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[172] | 65 | bool isDirectlyA(Identifier* identifier); |
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[149] | 66 | bool isChildOf(Identifier* identifier); |
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| 67 | bool isDirectChildOf(Identifier* identifier); |
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| 68 | bool isParentOf(Identifier* identifier); |
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| 69 | bool isDirectParentOf(Identifier* identifier); |
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| 70 | |
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[172] | 71 | std::string getName() { return this->name_; } |
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| 72 | IdentifierList* getDirectParents() { return this->directParents_; } |
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| 73 | IdentifierList* getAllParents() { return this->allParents_; } |
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| 74 | IdentifierList* getDirectChildren() { return this->directChildren_; } |
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| 75 | IdentifierList* getAllChildren() { return this->allChildren_; } |
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| 76 | |
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[150] | 77 | private: |
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[149] | 78 | Identifier(); |
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[176] | 79 | Identifier(const Identifier& identifier) {} |
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| 80 | virtual ~Identifier(); |
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[150] | 81 | void initialize(IdentifierList* parents); |
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[149] | 82 | |
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| 83 | IdentifierList* directParents_; |
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| 84 | IdentifierList* allParents_; |
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| 85 | IdentifierList* directChildren_; |
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| 86 | IdentifierList* allChildren_; |
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| 87 | |
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| 88 | ObjectList* objects_; |
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| 89 | std::string name_; |
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| 90 | |
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| 91 | bool bCreatedOneObject_; |
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[132] | 92 | }; |
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| 93 | |
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[172] | 94 | |
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| 95 | // ##### ClassIdentifier ##### |
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[149] | 96 | template <class T> |
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| 97 | class ClassIdentifier : public Identifier |
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[132] | 98 | { |
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| 99 | public: |
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[162] | 100 | static ClassIdentifier<T>* registerClass(IdentifierList* parents, std::string name, bool bRootClass); |
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[150] | 101 | static ClassIdentifier<T>* getIdentifier(); |
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[149] | 102 | static T* create(); |
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[132] | 103 | |
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[149] | 104 | private: |
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| 105 | ClassIdentifier(); |
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[176] | 106 | ClassIdentifier(const ClassIdentifier<T>& identifier) {} |
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[172] | 107 | ~ClassIdentifier(); |
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[150] | 108 | |
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| 109 | static ClassIdentifier<T>* pointer_; |
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| 110 | |
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[132] | 111 | }; |
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| 112 | |
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[149] | 113 | template <class T> |
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[150] | 114 | ClassIdentifier<T>* ClassIdentifier<T>::pointer_ = NULL; |
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| 115 | |
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| 116 | template <class T> |
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[149] | 117 | ClassIdentifier<T>::ClassIdentifier() |
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[132] | 118 | { |
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[149] | 119 | } |
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[132] | 120 | |
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[149] | 121 | template <class T> |
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[172] | 122 | ClassIdentifier<T>::~ClassIdentifier() |
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| 123 | { |
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| 124 | this->pointer_ = NULL; |
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| 125 | } |
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| 126 | |
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| 127 | template <class T> |
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[162] | 128 | ClassIdentifier<T>* ClassIdentifier<T>::registerClass(IdentifierList* parents, std::string name, bool bRootClass) |
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[149] | 129 | { |
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[162] | 130 | std::cout << "*** Register Class in " << name << "-Singleton.\n"; |
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[149] | 131 | if (!pointer_) |
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| 132 | { |
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[162] | 133 | std::cout << "*** Register Class in " << name << "-Singleton -> Create Singleton.\n"; |
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| 134 | if (parents || bRootClass) |
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| 135 | { |
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| 136 | pointer_ = new ClassIdentifier(); |
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| 137 | pointer_->name_ = name; |
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| 138 | pointer_->initialize(parents); |
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| 139 | } |
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| 140 | else |
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| 141 | { |
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| 142 | pointer_ = getIdentifier(); |
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| 143 | } |
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[149] | 144 | } |
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[132] | 145 | |
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[149] | 146 | return pointer_; |
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| 147 | } |
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| 148 | |
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| 149 | template <class T> |
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[150] | 150 | ClassIdentifier<T>* ClassIdentifier<T>::getIdentifier() |
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[132] | 151 | { |
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[172] | 152 | // std::cout << "*** Get Identifier.\n"; |
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[149] | 153 | if (!pointer_) |
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| 154 | { |
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[162] | 155 | std::cout << "*** Get Identifier -> Create Class\n"; |
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[172] | 156 | ClassHierarchy::getSingleton()->startCreatingHierarchy(); |
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[149] | 157 | T* temp = new T(); |
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[172] | 158 | ClassHierarchy::getSingleton()->stopCreatingHierarchy(); |
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[149] | 159 | delete temp; |
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| 160 | } |
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| 161 | |
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| 162 | return pointer_; |
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| 163 | } |
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| 164 | |
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| 165 | template <class T> |
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| 166 | T* ClassIdentifier<T>::create() |
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| 167 | { |
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| 168 | return new T(); |
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| 169 | } |
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| 170 | |
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[172] | 171 | |
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[176] | 172 | // ##### BaseIdentifier ##### |
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| 173 | template <class B> |
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| 174 | class BaseIdentifier// : public Identifier |
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| 175 | { |
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| 176 | public: |
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| 177 | BaseIdentifier(); |
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| 178 | |
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| 179 | template <class T> |
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| 180 | BaseIdentifier<B>& operator= (ClassIdentifier<T>* identifier) |
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| 181 | { |
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| 182 | std::cout << "####### Class(" << identifier->getName() << ")->isA( Class(" << ClassIdentifier<B>::getIdentifier()->getName() << ") ) = " << identifier->isA( ClassIdentifier<B>::getIdentifier() ) << "\n"; |
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| 183 | if (!identifier->isA(ClassIdentifier<B>::getIdentifier())) |
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| 184 | { |
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| 185 | std::cout << "Error: Class " << identifier->getName() << " is not a " << ClassIdentifier<B>::getIdentifier()->getName() << "!\n"; |
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| 186 | std::cout << "Error: BaseIdentifier<" << ClassIdentifier<B>::getIdentifier()->getName() << "> = Class(" << identifier->getName() << ") is forbidden.\n"; |
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| 187 | std::cout << "Aborting...\n"; |
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| 188 | abort(); |
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| 189 | } |
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| 190 | this->identifier_ = identifier; |
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| 191 | return *this; |
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| 192 | } |
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| 193 | |
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| 194 | operator Identifier() |
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| 195 | { |
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| 196 | return this->identifier_; |
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| 197 | } |
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| 198 | |
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| 199 | private: |
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| 200 | Identifier* identifier_; |
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| 201 | }; |
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| 202 | |
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| 203 | template <class B> |
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| 204 | BaseIdentifier<B>::BaseIdentifier() |
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| 205 | { |
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| 206 | this->identifier_ = ClassIdentifier<B>::getIdentifier(); |
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| 207 | } |
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| 208 | |
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| 209 | |
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[149] | 210 | // ##### Identifier List ##### |
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| 211 | class IdentifierListElement; |
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| 212 | |
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| 213 | class IdentifierList |
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| 214 | { |
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[132] | 215 | public: |
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[149] | 216 | IdentifierList(); |
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| 217 | ~IdentifierList(); |
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| 218 | void add(Identifier* identifier); |
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| 219 | void remove(Identifier* identifier); |
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| 220 | bool isInList(Identifier* identifier); |
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[172] | 221 | std::string toString(); |
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[132] | 222 | |
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[149] | 223 | IdentifierListElement* first_; |
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[132] | 224 | }; |
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| 225 | |
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[149] | 226 | class IdentifierListElement |
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[132] | 227 | { |
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| 228 | public: |
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[149] | 229 | IdentifierListElement(Identifier* identifier); |
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[172] | 230 | ~IdentifierListElement(); |
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[132] | 231 | |
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[149] | 232 | Identifier* identifier_; |
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| 233 | IdentifierListElement* next_; |
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| 234 | bool bDirect_; |
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[132] | 235 | }; |
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| 236 | |
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[149] | 237 | |
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| 238 | // ##### Object List ##### |
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| 239 | class ObjectListElement; |
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| 240 | |
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[132] | 241 | class ObjectList |
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| 242 | { |
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| 243 | public: |
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| 244 | ObjectList(); |
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| 245 | ~ObjectList(); |
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[162] | 246 | void add(OrxonoxClass* object); |
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| 247 | void remove(OrxonoxClass* object); |
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[132] | 248 | |
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[149] | 249 | ObjectListElement* first_; |
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[132] | 250 | }; |
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| 251 | |
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[149] | 252 | class ObjectListElement |
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[132] | 253 | { |
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| 254 | public: |
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[162] | 255 | ObjectListElement(OrxonoxClass* object); |
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[172] | 256 | ~ObjectListElement(); |
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[132] | 257 | |
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[162] | 258 | OrxonoxClass* object_; |
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[149] | 259 | ObjectListElement* next_; |
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[132] | 260 | }; |
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| 261 | |
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[149] | 262 | // ##### Macros ##### |
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| 263 | #define registerRootObject(ClassName) \ |
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[162] | 264 | std::cout << "*** Register Root-Object: " << #ClassName << "\n"; \ |
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| 265 | if (ClassHierarchy::getSingleton()->isCreatingHierarchy() && !this->getParents()) \ |
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| 266 | this->setParents(new IdentifierList()); \ |
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| 267 | if (this->getIdentifier()) \ |
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| 268 | this->getIdentifier()->removeObject(this); \ |
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| 269 | this->setIdentifier(ClassIdentifier<ClassName>::registerClass(this->getParents(), #ClassName, true)); \ |
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| 270 | if (ClassHierarchy::getSingleton()->isCreatingHierarchy() && this->getParents()) \ |
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| 271 | this->getParents()->add(this->getIdentifier()); \ |
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| 272 | this->getIdentifier()->addObject(this) |
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[132] | 273 | |
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[149] | 274 | #define registerObject(ClassName) \ |
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[162] | 275 | std::cout << "*** Register Object: " << #ClassName << "\n"; \ |
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| 276 | this->getIdentifier()->removeObject(this); \ |
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| 277 | this->setIdentifier(ClassIdentifier<ClassName>::registerClass(this->getParents(), #ClassName, false)); \ |
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| 278 | if (ClassHierarchy::getSingleton()->isCreatingHierarchy() && this->getParents()) \ |
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| 279 | this->getParents()->add(this->getIdentifier()); \ |
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| 280 | this->getIdentifier()->addObject(this) |
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[132] | 281 | |
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| 282 | #define unregisterObject() \ |
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[162] | 283 | this->getIdentifier()->removeObject(this) |
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[132] | 284 | |
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[149] | 285 | #define Class(ClassName) \ |
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| 286 | ClassIdentifier<ClassName>::getIdentifier() |
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[132] | 287 | |
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[149] | 288 | #define Factory(ClassName) \ |
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| 289 | ClassIdentifier<ClassName>::create() |
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| 290 | } |
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| 291 | |
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[132] | 292 | #endif |
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