[365] | 1 | /*! |
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| 2 | @file MetaObjectList.h |
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| 3 | @brief Definition of the MetaObjectList class. |
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| 4 | |
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| 5 | The MetaObjectList is a single-linked list, containing all list-elements and their |
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| 6 | lists wherein the object that owns the MetaObjectList is registered. |
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| 7 | This allows much faster deleting of objects. |
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| 8 | */ |
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| 9 | |
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[246] | 10 | #ifndef _MetaObjectList_H__ |
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| 11 | #define _MetaObjectList_H__ |
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| 12 | |
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| 13 | #include "ObjectList.h" |
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| 14 | #include "Identifier.h" |
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| 15 | |
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| 16 | namespace orxonox |
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| 17 | { |
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[365] | 18 | //! Base-class of MetaObjectListElement, because those is a template |
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[246] | 19 | class BaseMetaObjectListElement |
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| 20 | { |
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| 21 | public: |
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[365] | 22 | /** @brief Defaultdestructor */ |
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[246] | 23 | virtual ~BaseMetaObjectListElement() {}; |
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| 24 | |
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[365] | 25 | BaseMetaObjectListElement* next_; //!< The next Element in the list |
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[246] | 26 | }; |
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| 27 | |
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| 28 | // ############################### |
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| 29 | // ### MetaObjectListElement ### |
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| 30 | // ############################### |
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[365] | 31 | //! The list-element of the MetaObjectList |
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[246] | 32 | template <class T> |
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| 33 | class MetaObjectListElement : public BaseMetaObjectListElement |
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| 34 | { |
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| 35 | public: |
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| 36 | MetaObjectListElement(ObjectList<T>* list, ObjectListElement<T>* element); |
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| 37 | ~MetaObjectListElement(); |
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| 38 | |
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[365] | 39 | ObjectListElement<T>* element_; //!< The list element, containing the object |
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| 40 | ObjectList<T>* list_; //!< The list, containing the element |
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[246] | 41 | }; |
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| 42 | |
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[365] | 43 | /** |
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| 44 | @brief Constructor: Creates the list-element with given list and element. |
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| 45 | */ |
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[246] | 46 | template <class T> |
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| 47 | MetaObjectListElement<T>::MetaObjectListElement(ObjectList<T>* list, ObjectListElement<T>* element) |
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| 48 | { |
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| 49 | this->element_ = element; |
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| 50 | this->list_ = list; |
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| 51 | this->next_ = 0; |
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| 52 | } |
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| 53 | |
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[365] | 54 | /** |
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| 55 | @brief Destructor: Removes the ObjectListElement from the ObjectList by linking next_ and prev_ of the ObjectListElement. |
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| 56 | */ |
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[246] | 57 | template <class T> |
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| 58 | MetaObjectListElement<T>::~MetaObjectListElement() |
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| 59 | { |
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| 60 | if (this->element_->next_) |
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| 61 | this->element_->next_->prev_ = this->element_->prev_; |
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| 62 | else |
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[365] | 63 | this->list_->last_ = this->element_->prev_; // If there is no next_, we deleted the last object and have to update the last_ pointer of the list |
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[246] | 64 | |
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| 65 | if (this->element_->prev_) |
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| 66 | this->element_->prev_->next_ = this->element_->next_; |
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| 67 | else |
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[365] | 68 | this->list_->first_ = this->element_->next_; // If there is no prev_, we deleted the first object and have to update the first_ pointer of the list |
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[246] | 69 | |
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| 70 | |
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| 71 | #if HIERARCHY_VERBOSE |
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| 72 | std::cout << "*** Removing Object from " << ClassIdentifier<T>::getIdentifier()->getName() << "-list.\n"; |
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| 73 | #endif |
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| 74 | delete this->element_; |
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| 75 | } |
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| 76 | |
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| 77 | |
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| 78 | // ############################### |
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| 79 | // ### ObjectList ### |
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| 80 | // ############################### |
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[365] | 81 | //! The MetaObjectList contains ObjectListElements and their ObjectLists. |
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| 82 | /** |
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| 83 | The MetaObjectList is a single-linked list, containing all list-elements and their |
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| 84 | lists wherein the object that owns the MetaObjectList is registered. |
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| 85 | This allows much faster deleting of objects. |
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| 86 | */ |
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[246] | 87 | class MetaObjectList |
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| 88 | { |
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| 89 | public: |
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| 90 | MetaObjectList(); |
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| 91 | ~MetaObjectList(); |
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| 92 | template <class T> |
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| 93 | void add(ObjectList<T>* list, ObjectListElement<T>* element); |
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| 94 | |
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[365] | 95 | BaseMetaObjectListElement* first_; //!< The first element in the list |
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[246] | 96 | }; |
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| 97 | |
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[365] | 98 | /** |
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| 99 | @brief Adds an ObjectList and an element of that list to the MetaObjectList. |
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| 100 | @param list The ObjectList wherein the element is |
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| 101 | @param element The element wherein the object is |
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| 102 | */ |
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[246] | 103 | template <class T> |
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| 104 | void MetaObjectList::add(ObjectList<T>* list, ObjectListElement<T>* element) |
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| 105 | { |
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| 106 | BaseMetaObjectListElement* temp = this->first_; |
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| 107 | this->first_ = new MetaObjectListElement<T>(list, element); |
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| 108 | this->first_->next_ = temp; |
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| 109 | } |
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| 110 | } |
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| 111 | |
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| 112 | #endif |
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