private void _SearchBranchForFilters(ElementNode node, IEnumerable<ISequenceFilterNode> filters,
Stack<IEnumerable<ISequenceFilterNode>> filtersFound, SequenceFilterLookup lookup)
{
// Must push a single value for each level we enter.
ISequenceFilterNode[] sequenceFilterNodes = _GetFiltersForNode(node, filters);
if (sequenceFilterNodes.Length > 0) {
filtersFound.Push(sequenceFilterNodes);
}
else {
filtersFound.Push(null);
}
if (node.IsLeaf) {
ISequenceFilterNode[] elementFilters = filtersFound.Where(x => x != null).Reverse().SelectMany(x => x).ToArray();
if (elementFilters.Length > 0) {
lookup.AddElementFilters(node.Element, elementFilters);
}
}
else {
foreach (ElementNode childNode in node.Children) {
_SearchBranchForFilters(childNode, filters, filtersFound, lookup);
}
}
// Pop a single value for every level we exit.
filtersFound.Pop();
}
public SequenceFilterLookup BuildLookup(IEnumerable<ElementNode> elementNodes,
IEnumerable<ISequenceFilterNode> filterNodes)
{
SequenceFilterLookup lookup = new SequenceFilterLookup();
Stack<IEnumerable<ISequenceFilterNode>> filterStack = new Stack<IEnumerable<ISequenceFilterNode>>();
foreach (ElementNode node in elementNodes) {
_SearchBranchForFilters(node, filterNodes, filterStack, lookup);
}
return lookup;
}
public SequenceFilterLookup BuildLookup(IEnumerable <ElementNode> elementNodes, IEnumerable <ISequenceFilterNode> filterNodes)
{
SequenceFilterLookup lookup = new SequenceFilterLookup();
Stack <IEnumerable <ISequenceFilterNode> > filterStack = new Stack <IEnumerable <ISequenceFilterNode> >();
foreach (ElementNode node in elementNodes)
{
_SearchBranchForFilters(node, filterNodes, filterStack, lookup);
}
return(lookup);
}
public void Use(IEnumerable <IEffectNode> effectNodes, IEnumerable <ISequenceFilterNode> filters, string contextName = null)
{
if (effectNodes == null)
{
throw new ArgumentNullException("effectNodes");
}
if (filters == null)
{
throw new ArgumentNullException("filters");
}
_effectNodes = effectNodes;
_filterLookup = SequenceFilterService.BuildLookup(VixenSystem.Nodes, filters);
_CreateInstrumentationValues(contextName);
}
private void _SearchBranchForFilters(ElementNode node, IEnumerable <ISequenceFilterNode> filters,
Stack <IEnumerable <ISequenceFilterNode> > filtersFound, SequenceFilterLookup lookup)
{
// Must push a single value for each level we enter.
ISequenceFilterNode[] sequenceFilterNodes = _GetFiltersForNode(node, filters);
if (sequenceFilterNodes.Length > 0)
{
filtersFound.Push(sequenceFilterNodes);
}
else
{
filtersFound.Push(null);
}
if (node.IsLeaf)
{
ISequenceFilterNode[] elementFilters = filtersFound.Where(x => x != null).Reverse().SelectMany(x => x).ToArray();
if (elementFilters.Length > 0)
{
lookup.AddElementFilters(node.Element, elementFilters);
}
}
else
{
foreach (ElementNode childNode in node.Children)
{
_SearchBranchForFilters(childNode, filters, filtersFound, lookup);
}
}
// Pop a single value for every level we exit.
filtersFound.Pop();
}
