/// <summary>
/// initialise from the array
/// </summary>
/// <param name="array"></param>
public void Init(int[] array)
{
if (array.Length == 0)
{
throw new ArgumentException();
}
RootNode = new Node(array[0]);
Node outputNode = RootNode;
Node tempNode;
for (int i = 1; i < array.Length; i++)
{
tempNode = new Node(array[i]);
outputNode.Next = tempNode;
outputNode.Next.Prev = outputNode;
outputNode = tempNode;
if (array.Length == i + 1)
{
outputNode.Next = RootNode;
RootNode.Prev = outputNode;
}
}
}
/// <summary>
/// Delete value from the start position
/// </summary>
/// <returns></returns>
public int DeleteStart()
{
int res = RootNode.Value;
RootNode = RootNode.Next;
return res;
}
/// <summary>
/// Reverse values
/// </summary>
public void Reverse()
{
Node temp = RootNode;
bool flag = true;
while (flag)
{
Node next = temp.Next;
Node prev = temp.Prev;
temp.Next = prev;
temp.Prev = next;
if (next != null)
{
temp = next;
}
else
{
flag = false;
}
}
RootNode = temp;
}
/// <summary>
/// Add value in the start position
/// </summary>
/// <param name="value"></param>
public void AddStart(int value)
{
Node tempNode = new Node(value, RootNode);
this.RootNode.Prev = tempNode;
this.RootNode = tempNode;
}
/// <summary>
/// Clear LList
/// </summary>
public void Clear()
{
this.RootNode = new Node();
}
/// <summary>
/// Bubble sort
/// </summary>
public void Sort()
{
Node first = RootNode;
Node currentNode = RootNode;
Node tempNode = currentNode;
while (currentNode.Next != null)
{
Node temp3 = currentNode.Next;
// while (currentNode.Next != null)
{
if (currentNode.Value > currentNode.Next.Value)
{
if (first == currentNode)
{
first = currentNode.Next;
}
tempNode = currentNode.Next.Next;
Node temp2 = currentNode.Next;
temp2.Next = currentNode;
currentNode.Next = tempNode;
//currentNode.Next.Next = currentNode;
//currentNode.Next = temp2;
}
else
{
currentNode = currentNode.Next;
}
}
}
RootNode = first;
}
/// <summary>
/// Add value in the index position
/// </summary>
/// <param name="value"> int variable</param>
/// <param name="index"> position</param>
public void AddPosition(int value, int index)
{
if (this.Size <= index)
{
throw new IndexOutOfRangeException();
}
Node currentNode = RootNode;
//Node prevLink;
for (int i = 0; i < this.Size; i++)
{
if (index - 1 == i)
{
Node positionNode = new Node(value, currentNode, currentNode.Next);
positionNode.Prev = currentNode;
currentNode.Next = positionNode;
}
else
{
currentNode = currentNode.Next;
}
}
}
/// <summary>
/// Reverse values
/// </summary>
public void Reverse()
{
Node first = RootNode;
bool flag = true;
Node current = null;
Node prev = first;
Node next = first.Next;
while (flag)
{
current = next;
next = current.Next;
current.Next = prev;
prev = current;
if (next == null)
{
flag = false;
}
}
first.Next = null;
RootNode = current;
}
/// <summary>
/// Clear LList
/// </summary>
public void Clear()
{
RootNode = new Node();
}
/// <summary>
/// Add value in the start position
/// </summary>
/// <param name="value"></param>
public void AddStart(int value)
{
RootNode = new Node(value, RootNode);
}
/// <summary>
/// Constructor with value, previous node and next node parameters
/// </summary>
/// <param name="value"></param>
/// <param name="prev"></param>
/// <param name="next"></param>
public Node(int value, Node prev, Node next)
{
this.prev = prev;
this.next = next;
this.value = value;
}
/// <summary>
/// Constructor with value and next node parameters
/// </summary>
/// <param name="value">int</param>
/// <param name="next">Node</param>
public Node(int value, Node next)
{
this.Value = value;
this.Next = next;
this.Next.Prev = this;
}
