public SimpleItem[] Simplify()
{
return(Items.OrderBy(x => x.Name)
.ThenBy(x => x.Position)
.GroupBy(x => x.Name, x => x, (name, group) => SimpleItem.CreateInstance(name, group))
.ToArray()
);
}
public static SimpleItem CreateInstance(string name, IEnumerable <Item> items)
{
List <int> values = new List <int>();
int i = 0;
foreach (Item item in items.OrderBy(x => x.Position))
{
if (item.Position != i++)
{
throw new InvalidOperationException("bad data");
}
values.Add(item.Value);
}
SimpleItem instance = new SimpleItem(name, values.ToArray());
return(instance);
}