public bool DeleteFirstAndLast()
{
try
{
if (Head == null)
{
return(false);
}
if (Count <= 2)
{
Head = null;
}
else
{
SingleLinkNode <T> Temp = Head;
while (Temp.Next.Next != Head)
{
Temp = Temp.Next;
}
Temp.Next = Temp.Next.Next.Next;
Head = Temp.Next;
}
return(true);
}
catch
{
return(false);
}
}
public bool ReplaceFirstAndLast()
{
try
{
if (Head == null)
{
return(false);
}
if (Count < 2)
{
return(false);
}
else
{
SingleLinkNode <T> Temp = Head;
while (Temp.Next != Head)
{
Temp = Temp.Next;
}
T Swap = Head.Value;
Head.Value = Temp.Value;
Temp.Value = Swap;
}
return(true);
}
catch
{
return(false);
}
}
public bool Add(T newValue)
{
try
{
if (Count >= Limit && Limit != 0)
{
return(false);
}
if (Head == null)
{
Head = new SingleLinkNode <T>(newValue);
Head.Next = Head;
}
else
{
SingleLinkNode <T> Temp = Head;
while (Temp.Next != Head)
{
Temp = Temp.Next;
}
Temp.Next = new SingleLinkNode <T>(newValue, Head);
}
return(true);
}
catch
{
return(false);
}
}
public int Counter()
{
try
{
if (Head == null)
{
return(0);
}
if (Head.Next == Head)
{
return(1);
}
SingleLinkNode <T> Temp = Head;
int counter = 0;
do
{
Temp = Temp.Next;
counter++;
}while (Temp != Head);
return(counter);
}
catch
{
return(-1);
}
}
public int Counter()
{
try
{
if (Head == null)
{
return(0);
}
SingleLinkNode <T> Temp = Head;
if (Temp.Next == Head)
{
return(1);
}
int Counter = 0;
while (Temp.Next != Head)
{
Temp = Temp.Next;
Counter++;
}
return(Counter);
}
catch
{
return(-1);
}
}
public override string ToString()
{
string Returning = string.Empty;
if (Head != null)
{
SingleLinkNode <T> Temp = Head;
do
{
Returning += string.Format(" {0} ", Temp.Value);
Temp = Temp.Next;
}while (Temp != Head);
}
return(Returning);
}
private SingleLinkNode <T> GetTail()
{
if (Head != null)
{
SingleLinkNode <T> Temp = Head;
while (Temp.Next != Head)
{
Temp = Temp.Next;
}
return(Temp);
}
else
{
return(null);
}
}
public bool Add(T newValue)
{
try
{
if (Head == null)
{
Head = new SingleLinkNode <T>(newValue, Head);
Head.Next = Head;
}
else
{
Tail.Next = new SingleLinkNode <T>(newValue, Head);
}
return(true);
}
catch
{
return(false);
}
}
public LinkedCircularList(int Limit = 0)
{
Head = null;
this.Limit = Limit;
}
public DoubleLinkNode(T Value, SingleLinkNode <T> Next = null, SingleLinkNode <T> Previous = null)
{
this.Value = Value;
this.Previous = Previous;
this.Next = Next;
}
public SingleLinkNode(T Value, SingleLinkNode <T> Next = null)
{
this.Value = Value;
this.Next = Next;
}