/// <summary>
/// The parse nodes.
/// </summary>
/// <param name="xmlDoc">
/// The xml doc.
/// </param>
/// <returns>
/// Returns Graph object with added paresed nodes.
/// </returns>
private static Graph ParseNodes(XmlDocument xmlDoc)
{
var graph = new Graph();
XmlNodeList xmlNodes = xmlDoc.GetElementsByTagName("vertex");
for (int i = 0; i < xmlNodes.Count; i++)
{
GraphNode gnode = null;
XmlNode xmlNode = xmlNodes[i].ChildNodes.Item(0);
XmlNode xmlNodeMode = xmlNodes[i].ChildNodes.Item(1);
if (xmlNode != null)
{
string vertexId = xmlNode.InnerText;
if (xmlNodeMode != null)
{
string mode = xmlNodeMode.InnerText;
if (!string.IsNullOrEmpty(vertexId) && !string.IsNullOrEmpty(mode))
{
int nodem = GetStrNodeMode(mode);
gnode = new GraphNode(vertexId, nodem);
}
}
else
{
gnode = new GraphNode(vertexId, 0);
}
}
if (gnode != null)
{
graph.AddNode(gnode);
}
}
return graph;
}
