private UserDefinedSetCollection CreateNewSet(string name)
{
UserDefinedSetCollection created = new UserDefinedSetCollection(elements.Count);
elements.Add(name);
return(created);
}
public UserDefinedSetCollection FindSet(string name)
{
UserDefinedSetCollection set = null;
bool exist = defindedSets.TryGetValue(name, out set);
if (!exist)
{
set = CreateNewSet(name);
defindedSets.Add(name, set);
}
return(set);
}
public bool Include(UserDefinedSetCollection included)
{
/*if (levelCount < included.levelCount)
* {
* return false;
* }
* int level = levelCount;
* Level includingLevel = topLevel;
* Level includedLevel = included.topLevel;
* while (level > included.levelCount)
* {
* includingLevel = includingLevel.SubLevel[0];
* if (includingLevel == null)
* {
* return false;
* }
* --level;
* }*/
return((new BitArray(collection)).Not().And(included.collection).OfType <bool>().All(u => !u));
}
public bool ProperlyInclude(UserDefinedSetCollection included)
{
return((new BitArray(collection)).Not().And(included.collection).OfType <bool>().All(u => !u));
}
public UserDefinedSetCollection Sub(UserDefinedSetCollection another)
{
return(new UserDefinedSetCollection(new BitArray(another.collection).Not().And(collection)));
}
public UserDefinedSetCollection Union(UserDefinedSetCollection another)
{
return(new UserDefinedSetCollection((new BitArray(collection)).Or(another.collection)));
}
public UserDefinedSetCollection Intersect(UserDefinedSetCollection another)
{
return(new UserDefinedSetCollection((new BitArray(collection)).And(another.collection)));
}
public void Expend(UserDefinedSetCollection another)
{
collection.Or(another.collection);
}
