public override object Clone()
{
ThreeItemList <T> threeItemList = new ThreeItemList <T>();
threeItemList.Promote(this);
return(threeItemList);
}
public void Promote(ThreeItemList <T> oldList)
{
int count = oldList.Count;
this.SetCount(oldList.Count);
switch (count)
{
case 0:
{
return;
}
case 1:
{
this.SetAt(0, oldList.EntryAt(0));
return;
}
case 2:
{
this.SetAt(0, oldList.EntryAt(0));
this.SetAt(1, oldList.EntryAt(1));
return;
}
case 3:
{
this.SetAt(0, oldList.EntryAt(0));
this.SetAt(1, oldList.EntryAt(1));
this.SetAt(2, oldList.EntryAt(2));
return;
}
}
throw new ArgumentOutOfRangeException("index");
}
public override FrugalListStoreState Add(T value)
{
switch (this._count)
{
case 0:
{
this._entry0 = value;
break;
}
case 1:
{
this._entry1 = value;
break;
}
case 2:
{
this._entry2 = value;
break;
}
default:
{
return(FrugalListStoreState.SixItemList);
}
}
ThreeItemList <T> threeItemList = this;
threeItemList._count = threeItemList._count + 1;
return(FrugalListStoreState.Success);
}
public int Add(T value)
{
if (this._listStore == null)
{
this._listStore = new SingleItemList <T>();
}
FrugalListStoreState frugalListStoreState = this._listStore.Add(value);
if (frugalListStoreState != FrugalListStoreState.Success)
{
if (FrugalListStoreState.ThreeItemList == frugalListStoreState)
{
ThreeItemList <T> threeItemList = new ThreeItemList <T>();
threeItemList.Promote(this._listStore);
threeItemList.Add(value);
this._listStore = threeItemList;
}
else if (FrugalListStoreState.SixItemList != frugalListStoreState)
{
if (FrugalListStoreState.Array != frugalListStoreState)
{
throw new InvalidOperationException();
}
ArrayItemList <T> arrayItemList = new ArrayItemList <T>(this._listStore.Count + 1);
arrayItemList.Promote(this._listStore);
this._listStore = arrayItemList;
arrayItemList.Add(value);
this._listStore = arrayItemList;
}
else
{
SixItemList <T> sixItemList = new SixItemList <T>();
sixItemList.Promote(this._listStore);
this._listStore = sixItemList;
sixItemList.Add(value);
this._listStore = sixItemList;
}
}
return(this._listStore.Count - 1);
}
public override void Insert(int index, T value)
{
if (this._count >= 3)
{
throw new ArgumentOutOfRangeException("index");
}
switch (index)
{
case 0:
{
this._entry2 = this._entry1;
this._entry1 = this._entry0;
this._entry0 = value;
break;
}
case 1:
{
this._entry2 = this._entry1;
this._entry1 = value;
break;
}
case 2:
{
this._entry2 = value;
break;
}
default:
{
throw new ArgumentOutOfRangeException("index");
}
}
ThreeItemList <T> threeItemList = this;
threeItemList._count = threeItemList._count + 1;
}