private void WriteSubGraph(ISubGraph subGraph, HashSet <INode> scope)
{
if (SubGraphAdorner is null)
{
WriteHeader("subgraph", null);
Writer.Indent++;
}
else
{
WriteHeader("subgraph", SubGraphAdorner.GetSubGraphName(subGraph));
Writer.Indent++;
var attributes = SubGraphAdorner.GetSubGraphAttributes(subGraph);
if (attributes?.Count > 0)
{
string delimeter = IncludeSemicolons
? ";"
: string.Empty;
WriteAttributes(attributes, delimeter, true);
Writer.WriteLine(delimeter);
Writer.WriteLine();
}
}
foreach (var nested in subGraph.GetSubGraphs())
{
WriteSubGraph(nested, scope);
}
foreach (var node in subGraph.GetNodes())
{
if (scope.Remove(node))
{
WriteNode(node);
}
}
Writer.Indent--;
WriteFooter();
Writer.WriteLine();
}