private CompoundIndex GetSub()
{
var sub = new CompoundIndex(subIndexes);
sub.subIndexes.RemoveAt(0);
return(sub);
}
public IShape GetShapeAt(CompoundIndex index)
{
List <IShape> copy;
lock (lockObject)
{
copy = shapes;
}
return(index.Size == 1 ? copy[index.Top] : copy[index.Top].GetShapeAt(index.Sub));
}
public void RemoveAt(CompoundIndex index)
{
lock (lockObject)
{
if (index.Size != 1)
{
shapes[index.Top].RemoveAt(index.Sub);
}
else
{
shapes.RemoveAt(index.Top);
}
}
}
public static bool TryParse(string input, out CompoundIndex index)
{
index = null;
var indexList = new List <int>();
var parts = input.Split(':');
foreach (var part in parts)
{
if (!int.TryParse(part, out var partInt))
{
return(false);
}
indexList.Add(partInt);
}
index = new CompoundIndex(indexList);
return(true);
}
public bool Equals(CompoundIndex other)
{
if (other is null)
{
return(false);
}
if (Size != other.Size)
{
return(false);
}
for (var i = Size; i < other.Size; i++)
{
if (subIndexes[i] != other.subIndexes[i])
{
return(false);
}
}
return(true);
}