public T this[int index] {
get {
if (index < 0 || index > this.Count)
{
throw new IndexOutOfRangeException("Index is out of range");
}
MyCustomCollectionValues <T> pointer = head;
int size = 0;
while (index != size++)
{
pointer = pointer.next;
}
return(pointer.value);
}
set {
if (index < 0 || index > this.Count)
{
throw new IndexOutOfRangeException("Index is out of range");
}
MyCustomCollectionValues <T> pointer = head;
int size = 0;
while (index != size++)
{
pointer = pointer.next;
}
pointer.value = value;
}
}
public void Next()
{
if (this.current == null || this.current.next == null)
{
throw new IndexOutOfRangeException("Index is out of range");
}
current = current.next;
}
public void Add(T item)
{
MyCustomCollectionValues <T> newItem = new MyCustomCollectionValues <T>();
newItem.next = null;
newItem.value = item;
if (head == null)
{
head = new MyCustomCollectionValues <T>();
current = new MyCustomCollectionValues <T>();
head = newItem;
}
this.current.next = newItem;
this.current = newItem;
}
public void Remove(T item)
{
bool flagSucceed = false;
if (!isEmpty())
{
MyCustomCollectionValues <T> pointer = head;
if (item.Equals(pointer.value))
{
head = pointer.next;
if (pointer == current)
{
current = pointer.next;
}
flagSucceed = true;
}
else
{
while (pointer.next != null && flagSucceed == false)
{
if (item.Equals(pointer.next.value))
{
pointer.next = pointer.next.next;
if (pointer.next == current)
{
current = pointer.next.next;
}
flagSucceed = true;
}
else
{
pointer = pointer.next;
}
}
}
if (flagSucceed == false)
{
throw new Exception("There is no such an item in collection!");
}
}
else
{
throw new ArgumentNullException("Collection is Empty!");
}
}
public T RemoveCurrent()
{
MyCustomCollectionValues <T> saveItem = current;
MyCustomCollectionValues <T> pointer = head;
if (pointer == current)
{
head = current = pointer.next;
}
else
{
while (pointer != null)
{
if (pointer.next == current)
{
pointer.next = current.next;
current = pointer;
break;
}
pointer = pointer.next;
}
}
return(saveItem.value);
}
public void Reset()
{
this.current = head;
}
public MyCustomCollection()
{
head = null;
current = null;
}