public void Reverse()
{
DoubleNode currentDoubleNode = head;
while (currentDoubleNode.Next != null)
{
DoubleNode nextDoubleNode = currentDoubleNode.Next;
currentDoubleNode.Next = nextDoubleNode.Next;
nextDoubleNode.Next = head;
head = nextDoubleNode;
tail = currentDoubleNode;
}
}
public int[] ToArray()
{
int[] arr = new int[size];
DoubleNode currentDoubleNode = head;
int currentIndex = 0;
while (currentDoubleNode != null)
{
arr[currentIndex] = currentDoubleNode.Value;
currentDoubleNode = currentDoubleNode.Next;
currentIndex++;
}
return(arr);
}
public void AddLast(int value)
{
DoubleNode DoubleNode = new DoubleNode(value);
if (head == null)
{
head = DoubleNode;
}
else
{
tail.Next = DoubleNode;
DoubleNode.Prev = tail;
}
tail = DoubleNode;
size++;
}
public void AddFirst(int value)
{
DoubleNode DoubleNode = new DoubleNode(value);
DoubleNode temp = head;
DoubleNode.Next = temp;
head = DoubleNode;
if (size == 0)
{
tail = head;
}
else
{
temp.Prev = DoubleNode;
}
size++;
}
public void RemoveFirst()
{
if (head == null)
{
throw new ArgumentNullException("NullElements");
}
else if (size == 1)
{
size--;
head = head.Next;
tail = head;
}
else
{
size--;
head = head.Next;
}
}
public bool Contains(int value)
{
DoubleNode DoubleNode = new DoubleNode(value);
DoubleNode currentDoubleNode = head;
if (head == null)
{
return(false);
}
while (currentDoubleNode != null)
{
if (currentDoubleNode.Value == DoubleNode.Value)
{
return(true);
}
currentDoubleNode = currentDoubleNode.Next;
}
return(false);
}
public void RemoveLast()
{
if (head == null)
{
throw new ArgumentNullException("NullElements");
}
else if (size == 1)
{
size--;
head = head.Prev;
tail = head;
}
else
{
tail = tail.Prev;
tail.Next = null;
size--;
}
}
public void AddAt(int index, int value)
{
DoubleNode DoubleNode = new DoubleNode(value);
DoubleNode currentDoubleNode = head;
if ((index < 0) || (index >= size))
{
throw new ArgumentOutOfRangeException("Index: " + index);
}
for (int i = 0; i < index - 1; i++)
{
currentDoubleNode = currentDoubleNode.Next;
}
DoubleNode.Next = currentDoubleNode.Next;
DoubleNode.Prev = currentDoubleNode.Prev;
currentDoubleNode.Next = DoubleNode;
size++;
}
public int IndexOf(int value)
{
if (head == null)
{
throw new ArgumentOutOfRangeException("");
}
else
{
DoubleNode currentDoubleNode = head;
for (int i = 0; i < size; i++)
{
if (currentDoubleNode.Value == value)
{
return(i);
}
currentDoubleNode = currentDoubleNode.Next;
}
return(-1);
}
}
public void AddAt(int index, int[] vals)
{
if ((index < 0) || (index > size))
{
throw new ArgumentOutOfRangeException("Index: " + index);
}
for (int i = 0; i < vals.Length; i++)
{
DoubleNode DoubleNode = new DoubleNode(vals[i]);
DoubleNode currentDoubleNode = head;
for (int j = 0; j < index - 1; j++)
{
currentDoubleNode = currentDoubleNode.Next;
}
DoubleNode.Next = currentDoubleNode.Next;
DoubleNode.Prev = currentDoubleNode.Prev;
currentDoubleNode.Next = DoubleNode;
size++;
}
}
public void Set(int index, int val)
{
DoubleNode DoubleNode = new DoubleNode(val);
if (index == 0)
{
head.Value = DoubleNode.Value;
}
else
{
DoubleNode currentDoubleNode = head;
for (int i = 0; i < size; i++)
{
if (i == index)
{
currentDoubleNode.Value = DoubleNode.Value;
}
currentDoubleNode = currentDoubleNode.Next;
}
}
}
public void RemoveAt(int index)
{
if (head == null || index < 0 || index > size)
{
throw new ArgumentNullException("NullElements");
}
if (index == 0)
{
size--;
head = head.Next;
}
else
{
DoubleNode currentDoubleNode = head;
for (int i = 0; i < index - 1; i++)
{
currentDoubleNode = currentDoubleNode.Next;
}
currentDoubleNode.Next = currentDoubleNode.Next.Next;
size--;
}
}
public DoubleLinkedList1(int[] sourceArray)
{
if (sourceArray.Length == 0)
{
return;
}
else
{
head = new DoubleNode(sourceArray[0]);
size++;
DoubleNode currentDoubleNode = head;
tail = head;
for (int i = 1; i < sourceArray.Length; i++)
{
currentDoubleNode.Next = new DoubleNode(sourceArray[i]);
if (size == 1)
{
currentDoubleNode.Prev = null;
tail = currentDoubleNode;
}
else
{
currentDoubleNode.Prev = new DoubleNode(sourceArray[i - 2]);
tail = currentDoubleNode;
}
if (i == sourceArray.Length - 1)
{
tail = currentDoubleNode.Next;
tail.Next = null;
tail.Prev = currentDoubleNode;
}
currentDoubleNode = currentDoubleNode.Next;
tail = currentDoubleNode;
size++;
}
}
}