public void AddBefore(Person value, LinkedListItem point)
{
if (Head == null)
AddFirst(value);
else
{
var current = new LinkedListItem {Data = value};
current.Prev = point.Prev;
point.Prev.Next = current;
current.Next = point;
point.Prev = current;
}
}
public void AddLast(Person value)
{
if (Head == null)
{
Head = new LinkedListItem {Data = value};
Tail = Head;
}
else
{
Tail.Next = new LinkedListItem {Data = value, Prev = Tail};
Tail = Tail.Next;
}
Count++;
}
public void AddFirst(Person value)
{
if (Head == null)
{
Head = new LinkedListItem { Data = value };
Tail = Head;
}
else
{
Head.Prev = new LinkedListItem {Data = value, Next = Head};
Head = Head.Next;
}
Count++;
}
public static void FindMenu()
{
Console.WriteLine("Введи тип поиска (age, height, weight, name)");
string type = Console.ReadLine();
Console.WriteLine("Введи ключ");
string key = Console.ReadLine();
var temp = new LinkedListItem();
if (type == "name")
temp = myList.FindString(key);
else
temp = myList.FindInt(type, int.Parse(key));
if (temp != null)
Console.WriteLine("Имя: {0}, возраст: {1}, рост: {2}, вес: {3}", temp.Data.Name, temp.Data.Age.ToString(),
temp.Data.Height.ToString(), temp.Data.Weight.ToString());
else FindMenu();
}
public void QuickSort(string key, LinkedListItem left, LinkedListItem right)
{
LinkedListItem start, current;
if (left == right) return;
start = left;
current = start.Next;
while (true)
{
switch (key)
{
case "age":
if (start.Data.Age < current.Data.Age)
Swap(start.Data, current.Data);
break;
case "height":
if (start.Data.Height < current.Data.Height)
Swap(start.Data, current.Data);
break;
case "weight":
if (start.Data.Weight < current.Data.Weight)
Swap(start.Data, current.Data);
break;
case "name":
if (start.Data.Name[0] < current.Data.Name[0])
Swap(start.Data, current.Data);
break;
}
if (current == right) break;
current = current.Next;
}
Swap(left.Data, current.Data);
LinkedListItem old = current;
current = current.Prev;
if (current != null)
if ((left.Prev != current) && (current.Next != left))
QuickSort(key, left, current);
current = old;
current = current.Next;
if (current != null)
if ((current.Prev != right) && (right.Next != current))
QuickSort(key, current, right);
}
public Person PickLast()
{
if (Head != null)
{
Person value = Tail.Data;
if (Tail != Head)
{
Tail = Tail.Prev;
Tail.Next.Prev = null;
Tail.Next = null;
}
else
{
Tail = null;
}
Count--;
return value;
}
else return null;
}