private static ComponentGraph ParseArchitecture(string architecture, bool isNested)
{
// split architecture into elements that include layers, modules, and edges
IList <string> components = ComponentGraph.SplitArchitecture(architecture, NetworkGraphBuilder.Delimiter);
// extract elements that defines edges and modules (in A=... format)
Dictionary <string, string> elements;
Dictionary <string, ComponentGraph> modules;
NetworkGraphBuilder.ParseComponents(components, out elements, out modules);
// components must now contain edges only (in A-B-... format)
ComponentGraph graph = ComponentGraph.FromComponents(components, elements, modules);
// process nested graphs
if (isNested)
{
// nested graphs must start with a single split layer
IList <ComponentVertex> sources = graph.Sources.ToList();
if (sources.Count > 1)
{
ComponentVertex split = new ComponentVertex(
Guid.NewGuid().ToString(),
string.Format(CultureInfo.InvariantCulture, "SP{0}", sources.Count));
graph.AddEdges(sources.Select(x => new Edge <ComponentVertex>(split, x)));
}
// nested graphs must end with a single concat layer
IList <ComponentVertex> sinks = graph.Sinks.ToList();
if (sinks.Count > 1)
{
ComponentVertex concat = new ComponentVertex(Guid.NewGuid().ToString(), "CONCAT");
graph.AddEdges(sinks.Select(x => new Edge <ComponentVertex>(x, concat)));
}
}
return(graph);
}
