Changeset 224 for code/branches/objecthierarchie/src/ObjectList.h

Timestamp:

Nov 20, 2007, 8:38:53 PM (16 years ago)

Author:

landauf

Message:

• *cough* fixed another small bug in the object-list *cough*

• made the object-list a template, to avoid a dynamic_cast in the Iterator

File:

• code/branches/objecthierarchie/src/ObjectList.h (modified) (2 diffs)

code/branches/objecthierarchie/src/ObjectList.h

@@ -6 +6 @@
     class OrxonoxClass;
 
+    // ###############################
+    // ###    ObjectListElement    ###
+    // ###############################
+    template <class T>
     class ObjectListElement
     {
         public:
-            ObjectListElement(OrxonoxClass* object);
+            ObjectListElement(T* object);
             ~ObjectListElement();
 
-            OrxonoxClass* object_;
+            T* object_;
             ObjectListElement* next_;
             ObjectListElement* prev_;
     };
 
+    template <class T>
+    ObjectListElement<T>::ObjectListElement(T* object)
+    {
+        this->object_ = object;
+        this->next_ = 0;
+        this->prev_ = 0;
+    }
+
+    template <class T>
+    ObjectListElement<T>::~ObjectListElement()
+    {
+    }
+
+
+    // ###############################
+    // ###       ObjectList        ###
+    // ###############################
+    template <class T>
     class ObjectList
     {
@@ -22 +44 @@
             ObjectList();
             ~ObjectList();
-            void add(OrxonoxClass* object);
+            void add(T* object);
             void remove(OrxonoxClass* object, bool bIterateForwards = true);
 
-            ObjectListElement* first_;
-            ObjectListElement* last_;
+            ObjectListElement<T>* first_;
+            ObjectListElement<T>* last_;
     };
+
+    template <class T>
+    ObjectList<T>::ObjectList()
+    {
+        this->first_ = 0;
+        this->last_ = 0;
+    }
+
+    template <class T>
+    ObjectList<T>::~ObjectList()
+    {
+        ObjectListElement<T>* temp;
+        while (this->first_)
+        {
+            temp = this->first_->next_;
+            delete this->first_;
+            this->first_ = temp;
+        }
+    }
+
+    template <class T>
+    void ObjectList<T>::add(T* object)
+    {
+        if (!this->last_)
+        {
+            this->last_ = new ObjectListElement<T>(object);
+            this->first_ = this->last_;
+        }
+        else
+        {
+            ObjectListElement<T>* temp = this->last_;
+            this->last_ = new ObjectListElement<T>(object);
+            this->last_->prev_ = temp;
+            temp->next_ = this->last_;
+        }
+    }
+
+    template <class T>
+    void ObjectList<T>::remove(OrxonoxClass* object, bool bIterateForwards)
+    {
+        if (!object || !this->first_ || !this->last_)
+            return;
+
+        if (this->first_ == this->last_)
+        {
+            if (this->first_->object_ == object)
+            {
+                delete this->first_;
+                this->first_ = 0;
+                this->last_ = 0;
+            }
+
+            return;
+        }
+
+        if (bIterateForwards)
+        {
+            if (this->first_->object_ == object)
+            {
+                ObjectListElement<T>* temp = this->first_->next_;
+                delete this->first_;
+                this->first_ = temp;
+                this->first_->prev_ = 0;
+
+                return;
+            }
+
+            ObjectListElement<T>* temp = this->first_;
+            while (temp->next_)
+            {
+                if (temp->next_->object_ == object)
+                {
+                    ObjectListElement<T>* temp2 = temp->next_->next_;
+                    delete temp->next_;
+                    temp->next_ = temp2;
+                    if (temp2)
+                        temp2->prev_ = temp;
+                    else
+                        this->last_ = temp;
+
+                    return;
+                }
+
+                temp = temp->next_;
+            }
+        }
+        else
+        {
+            if (this->last_->object_ == object)
+            {
+                ObjectListElement<T>* temp = this->last_->prev_;
+                delete this->last_;
+                this->last_ = temp;
+                this->last_->next_ = 0;
+
+                return;
+            }
+
+            ObjectListElement<T>* temp = this->last_;
+            while (temp->prev_)
+            {
+                if (temp->prev_->object_ == object)
+                {
+                    ObjectListElement<T>* temp2 = temp->prev_->prev_;
+                    delete temp->prev_;
+                    temp->prev_ = temp2;
+                    if (temp2)
+                        temp2->next_ = temp;
+                    else
+                        this->first_ = temp;
+
+                    return;
+                }
+
+                temp = temp->prev_;
+            }
+        }
+    }
 }