private IList <NodePort> HandleSubgraph(DotGrammarParser.SubgraphContext context)
{
var nodeList = new List <NodePort>();
if (context == null)
{
return(nodeList);
}
var id = context.id() == null
? string.Format(CultureInfo.InvariantCulture, ModelHelper.NewSubGraphFormat,
ParsedGraph.GetSubGraphs().Count() + 1)
: context.id().GetText();
var graphAttrs = GetGraphAttributes(context.stmt_list().stmt());
var nodeAttrs = GetNodeAttributes(context.stmt_list().stmt());
var edgeAttrs = GetEdgeAttributes(context.stmt_list().stmt());
CurrentSubGraph = CurrentSubGraph.CreateSubGraph(id, graphAttrs, nodeAttrs, edgeAttrs);
foreach (var stmtContext in context.stmt_list().stmt())
{
nodeList.AddRange(HandleNode(stmtContext.node_stmt()));
nodeList.AddRange(HandleEdgeLine(stmtContext.edge_stmt()));
nodeList.AddRange(HandleSubgraph(stmtContext.subgraph()));
HandleExitSubgraph(stmtContext.subgraph());
}
return(nodeList);
}
private void HandleExitSubgraph(DotGrammarParser.SubgraphContext context)
{
if (context == null)
{
return;
}
CurrentSubGraph = CurrentSubGraph.Parent;
}
