protected virtual bool RegisterSubKeyPosition(ISubKeyMask <T> subKeyMask)
{
if (IsSubKeyPosition(subKeyMask))
{
return(false);
}
AddSubKeyPosition(subKeyMask);
return(true);
}
protected override void AddPartial(K key)
{
int i = 0;
foreach (T subKey in key)
{
ISubKeyMask <T> subKeyMask = subKey.ToSubKeyMask(i++);
partMap.Add(subKeyMask, key);
RegisterSubKeyPosition(subKeyMask);
}
}
protected override void DeletePartial(K key)
{
int i = 0;
foreach (T subKey in key)
{
ISubKeyMask <T> subKeyMask = subKey.ToSubKeyMask(i++);
if (partMap.Remove(subKeyMask, key, out bool removedEntireKey) && removedEntireKey)
{
RemoveSubKeyPosition(subKeyMask, out bool removedEntireSubKey);
}
}
}
public override bool Equals(ISubKeyMask <T> x, ISubKeyMask <T> y)
{
if (ReferenceEquals(x, null))
{
return(false);
}
if (ReferenceEquals(x, y))
{
return(true);
}
return((x.Position == y.Position) && SubKeyComparer.Equals(x.SubKey, y.SubKey));
}
public bool Equals(ISubKeyMask <T> other)
{
if (ReferenceEquals(other, null))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return((Position == other.Position) && Equals(SubKey, other.SubKey));
}
//protected virtual IEqualityComparer<T> OriginalSubKeyComparer => (subKeyComparer as SubKeyMaskComparer<T>).SubKeyComparer;
protected override bool AddSubKeyPosition(ISubKeyMask <T> subKeyMask)
{
if (subKeyPositions.TryGetValue(subKeyMask.SubKey, out IBitList positionMask))
{
positionMask.Set(subKeyMask.Position, true);
return(false);
}
else
{
positionMask = new BitList(subKeyMask.Position);
positionMask.Set(subKeyMask.Position, true);
subKeyPositions.Add(subKeyMask.SubKey, positionMask);
return(true);
}
}
protected override bool RemoveSubKeyPosition(ISubKeyMask <T> subKeyMask, out bool removedEntireSubKey)
{
removedEntireSubKey = false;
if (subKeyPositions.TryGetValue(subKeyMask.SubKey, out var positionMask))
{
positionMask.Set(subKeyMask.Position, false);
if (positionMask.CountTrue == 0)
{
subKeyPositions.Remove(subKeyMask.SubKey);
removedEntireSubKey = true;
}
return(true);
}
return(false);
}
protected abstract bool IsSubKeyPosition(ISubKeyMask <T> subKeyMask);
protected abstract bool RemoveSubKeyPosition(ISubKeyMask <T> subKeyMask, out bool removedEntireSubKey);
public override int GetHashCode(ISubKeyMask <T> obj)
{
return(ShiftAndWrap(obj.Position.GetHashCode(), 2) ^ SubKeyComparer.GetHashCode(obj.SubKey));
}
protected override bool IsSubKeyPosition(ISubKeyMask <T> subKeyMask)
{
return(subKeyPositions.TryGetValue(subKeyMask.SubKey, out var positionMask) && positionMask.TryGet(subKeyMask.Position));
}