private static IRingSet toRingSet(IAtomContainer ac, System.Collections.ICollection cycles)
{
IRingSet ringSet = ac.Builder.newRingSet();
System.Collections.IEnumerator cycleIterator = cycles.GetEnumerator();
while (cycleIterator.MoveNext())
{
SimpleCycle cycle = (SimpleCycle)cycleIterator.Current;
IRing ring = ac.Builder.newRing();
System.Collections.IList vertices = cycle.vertexList();
IAtom[] atoms = new IAtom[vertices.Count];
atoms[0] = (IAtom)vertices[0];
for (int i = 1; i < vertices.Count; i++)
{
atoms[i] = (IAtom)vertices[i];
ring.addElectronContainer(ac.getBond(atoms[i - 1], atoms[i]));
}
ring.addElectronContainer(ac.getBond(atoms[vertices.Count - 1], atoms[0]));
ring.Atoms = atoms;
ringSet.addAtomContainer(ring);
}
return(ringSet);
}