public void AddElement(DotElement element)
{
if (element == null)
{
throw new ArgumentNullException();
}
if (element is DotEdge)
{
var edge = element as DotEdge;
AddElement(edge.From);
AddElement(edge.To);
}
if (!elements.ContainsKey(element))
{
elements[element] = elements.Count;
}
}
private static void WriteAttributes(StringBuilder builder, DotElement element)
{
if (!element.HasAttributes())
{
return;
}
char separator = '[';
foreach (var attrib in element.attributes)
{
builder.Append(separator);
builder.Append(attrib.Key);
builder.Append("=\"");
builder.Append(attrib.Value);
builder.Append('\"');
separator = ' ';
}
builder.Append(']');
}
/*public OutputToImageFile(string path)
* {
*
* }*/
private KeyValuePair <DotElement, int> Kvp(DotElement element)
{
return(new KeyValuePair <DotElement, int>(element, elements[element]));
}