private String RenderTextImpl(Edge e)
{
var buffer = new StringBuilder();
if (e.Name == null)
{
if (!ShowToStringInHeader)
{
buffer.Append("$Root");
}
}
else
{
var m = Regex.Match(e.Name, @"^\$(?<index>\d*)$");
if (!m.Success || !ShowToStringInHeader || ShowIndicesInHeader)
{
buffer.Append(m.Success ? e.Name.Substring(1) : e.Name);
}
}
if (ShowToStringInHeader)
{
buffer.Append(buffer.Length > 0 ? ": " : String.Empty);
if (IsGrouping(e.Target.Object))
{
var key = SafetyTools.SafeEval(() =>
e.Target.Object.GetType().GetProperty("Key").GetValue(e.Target.Object, null));
if (key != null)
{
buffer.Append(key);
}
else
{
buffer.Append(SafeGet(() => e.Target.ToString()));
}
}
else
{
buffer.Append(SafeGet(() => e.Target.ToString()));
}
}
return(buffer.Replace("\t", " ").ToString());
}
public IEnumerable <Edge> Apply(Vertex source)
{
foreach (var kvp_iter in Logic(source.Object))
{
var kvp = kvp_iter; // just make resharper happeh
Func <Vertex> createVertex = () => new Vertex(kvp.Value, ++_idFactory, source.DistanceFromRoot + 1);
if (kvp.Value == null)
{
yield return(new Edge(kvp.Key, source, createVertex()));
}
else
{
var contains = SafetyTools.SafeEval(() => _cache.ContainsKey(kvp.Value), true);
if (!contains)
{
SafetyTools.SafeDo(() => _cache.Add(kvp.Value, createVertex()));
}
var vertex = SafetyTools.SafeEval(() => _cache[kvp.Value], createVertex);
yield return(new Edge(kvp.Key, source, vertex));
}
}
}