updated the Change Log

[irc/gameservirc.git] / gameserv / list.h

diff --git a/gameserv/list.h b/gameserv/list.h
index e51d6f5a2a1dfd3d9a0561092916cd30879555e2..4053e4ab56f9248e9c324cfdbbf5e800d3ff6391 100644 (file)
--- a/gameserv/list.h
+++ b/gameserv/list.h
@@ -17,11 +17,13 @@ class List {
     public:
        List();         //constructor
        ~List();        //deconstructor
-       void insertAtFront( const T & );
-       void insertAtBack( T *&);
+       T *insertAtFront( const T & );
+       T *insertAtBack( T *&);
+       ListNode<T> *insertAtBack_RLN( T *&);
        bool removeFromFront( T & );
        bool removeFromBack( T & );
-       bool remove( T * );
+       bool del( T *);
+       ListNode < T > *remove( T * );
        bool isEmpty() const;
        void print() const;
        ListNode < T > *Find( T * );
@@ -66,7 +68,7 @@ List<T>::~List()
 }
 
 template<class T>
-void List<T>::insertAtFront( const T &value )
+T *List<T>::insertAtFront( const T &value )
 {
     ListNode<T> *newPtr = getNewNode ( value );
 
@@ -79,10 +81,11 @@ void List<T>::insertAtFront( const T &value )
        firstPtr->prev = newPtr;
        firstPtr = newPtr;
     }
+    return firstPtr->getData();
 }
 
 template<class T>
-void List<T>::insertAtBack(T *&value )
+T *List<T>::insertAtBack(T *&value )
 {
     ListNode<T> *newPtr = getNewNode(*value);
 
@@ -96,6 +99,25 @@ void List<T>::insertAtBack(T *&value )
        lastPtr->next = newPtr;
        lastPtr = newPtr;
     }
+    return lastPtr->getData();
+}
+
+template<class T>
+ListNode<T> *List<T>::insertAtBack_RLN(T *&value )
+{
+    ListNode<T> *newPtr = getNewNode(*value);
+
+    if (isEmpty())
+    {
+       firstPtr = lastPtr = newPtr;
+    }
+    else
+    {
+       newPtr->prev = lastPtr;
+       lastPtr->next = newPtr;
+       lastPtr = newPtr;
+    }
+    return lastPtr;
 }
 
 
@@ -162,6 +184,7 @@ ListNode<T> *List<T>::Find( T *value )
     currentPtr = firstPtr;
     while (currentPtr)
     {
+       cout << currentPtr->getData() << endl << value << endl;
        if (currentPtr->getData() == value)
            return currentPtr;
        currentPtr = currentPtr->Next();
@@ -195,7 +218,19 @@ void List<T>::print() const
 #endif
 
 template <class T>
-bool List<T>::remove(T *remPtr)
+bool List<T>::del(T *remPtr)
+{
+    ListNode<T> *removed = remove( remPtr );
+    if (removed != NULL)
+    {
+       delete removed;
+       return true;
+    }
+    return false;
+}
+
+template <class T>
+ListNode<T> *List<T>::remove(T *remPtr)
 {
     ListNode<T> *newPtr = firstPtr;
     T *testPtr;
@@ -214,8 +249,7 @@ bool List<T>::remove(T *remPtr)
                    log("One Element. Deleting it");
                #endif
                firstPtr = lastPtr = NULL;
-               delete newPtr;
-               return true;
+               return newPtr;
            }
            else if (newPtr != lastPtr && newPtr != firstPtr)
            {
@@ -224,8 +258,7 @@ bool List<T>::remove(T *remPtr)
                #endif
                newPtr->prev->next = newPtr->next;
                newPtr->next->prev = newPtr->prev;
-               delete newPtr;
-               return true;
+               return newPtr;
            }
            else if (newPtr == lastPtr)
            {
@@ -234,8 +267,7 @@ bool List<T>::remove(T *remPtr)
                #endif
                lastPtr = newPtr->prev;
                lastPtr->next = 0;
-               delete newPtr;
-               return true;
+               return newPtr;
            }
            else if (newPtr == firstPtr)
            {
@@ -244,12 +276,11 @@ bool List<T>::remove(T *remPtr)
                #endif
                firstPtr = newPtr->next;
                firstPtr->prev = 0;
-               delete newPtr;
-               return true;
+               return newPtr;
            }
        }
        newPtr = newPtr->next;
     }
-    return false;
+    return NULL;
 }
 #endif