public void RemoveAt(int index)
{
if (index == 0)
{
core = core.Next;
}
else
{
if (index >= this.Count)
{
throw new IndexOutOfRangeException();
}
ListComponent <T> pointer = core;
for (int i = 0; i < index - 1; i++)
{
if (pointer is NullElement <T> )
{
throw new IndexOutOfRangeException();
}
pointer = pointer.Next;
}
ListComponent <T> afterCompontent = pointer.Next.Next;
pointer.PushNext(afterCompontent);
}
}
/// <summary>
/// You may think this is the traditional way to seek element via index... But...
/// Let's have a f*cking Python-like code in C# and make possible to get element via negative index.
/// If you've never coded on Python before: -i index = element with i steps position from end.
/// </summary>
/// <param name="index">Any integer number</param>
/// <returns>Element, stored by this index</returns>
public T this[int index] {
get
{
if (index >= 0)
{
int i = 0;
ListComponent <T> pointer = core;
while (!(pointer is NullElement <T>))
{
if (i == index)
{
return(pointer.Value);
}
pointer = pointer.Next;
i++;
}
throw new IndexOutOfRangeException();
}
else
{
return(this[Count - (Math.Abs(index) % (Count - 1))]);
}
}
set
{
if (index >= 0)
{
int i = 0;
ListComponent <T> pointer = core;
if (pointer is NullElement <T> )
{
throw new IndexOutOfRangeException();
}
while (!(pointer.Next is NullElement <T>))
{
if (i == index)
{
pointer.Value = value;
return;
}
pointer = pointer.Next;
i++;
}
throw new IndexOutOfRangeException();
}
else
{
this[Count - (Math.Abs(index) % (Count - 1))] = value;
}
}
}
public override void PopEnd()
{
ListComponent <T> pointer = this;
while (!(pointer.Next is NullElement <T>))
{
pointer = pointer.Next;
}
pointer.PopNext();
}
public override void PushEnd(ListComponent <T> component)
{
ListComponent <T> pointer = this;
while (!(pointer.Next is NullElement <T>))
{
pointer = pointer.Next;
}
pointer.PushNext(component);
}
public bool Remove(T item)
{
ListComponent <T> pointer = core;
for (int i = 0; i < this.Count; i++)
{
if (pointer.Value.Equals(item))
{
this.RemoveAt(i);
return(true);
}
pointer = pointer.Next;
}
return(false);
}
public bool Contains(T item)
{
ListComponent <T> pointer = core;
while (!(pointer is NullElement <T>))
{
if (pointer.Value.Equals(item))
{
return(true);
}
pointer = pointer.Next;
}
return(false);
}
public int IndexOf(T item)
{
int i = 0;
ListComponent <T> pointer = core;
while (!(pointer is NullElement <T>))
{
if (pointer.Value.Equals(item))
{
return(i);
}
pointer = pointer.Next;
i++;
}
return(-1);
}
public void Add(T item)
{
if (core is NullElement <T> )
{
core = new ListComposite <T>()
{
Value = item
}
}
;
else
{
core.PushEnd(new ListComposite <T>()
{
Value = item
});
}
}
public void Insert(int index, T item)
{
ListComponent <T> pointer = core;
for (int i = 0; i < index; i++)
{
if (pointer is NullElement <T> )
{
throw new IndexOutOfRangeException();
}
pointer = pointer.Next;
}
ListComponent <T> afterCompontent = pointer.Next;
ListComponent <T> intermediateComp = new ListComposite <T>()
{
Value = item
};
intermediateComp.PushNext(afterCompontent);
pointer.PushNext(intermediateComp);
}
public override void PushNext(ListComponent <T> component)
{
next = component;
}
public void Clear()
{
core = new NullElement <T>();
}
public virtual void PushEnd(ListComponent <T> component)
{
}
public virtual void PushNext(ListComponent <T> component)
{
}
