protected void ComputeStepDefault(PatternNodePPA node, ResultPPA result)
{
PatternNodePPA parent = node.Parent;
IPermutationDictionary <ExtensionMap> extensionMaps;
parent.TryGetExtensionMapsDescendants(out extensionMaps);
List <PatternNodePPA>[] descendants;
parent.TryGetDescendants(out descendants);
List <PatternNodePPA> nodes = descendants[node.PositionPrecedingLetters(node.Permutation.Length - 1)];
IPermutationDictionary <ExtensionMap> newExtensionMaps;
List <PatternNodePPA>[] newDescendants = new List <PatternNodePPA> [node.Permutation.Length + 1];
List <PatternNodePPA> newNodes;
List <PatternNodePPA> allNodes = new List <PatternNodePPA>();
for (int i = 0; i < newDescendants.Length; i++)
{
newDescendants[i] = new List <PatternNodePPA>();
}
foreach (var nodeProcessed in nodes)
{
newNodes = nodeProcessed.ComputeChildren(extensionMaps, avoidedPermutations);
allNodes.AddRange(newNodes);
AddDescendants(newDescendants, newNodes, parent.DescendantsDepthFromNode,
node.Permutation.Length);
}
result.ProcessNodes(allNodes);
newExtensionMaps = ExtractExtensionMaps(allNodes);
node.SetDescendants(newDescendants, parent.DescendantsDepthFromNode);
node.SetExtensionMapsDescendants(newExtensionMaps);
}
