/// <summary>
/// The parse edges.
/// </summary>
/// <param name="graph">
/// The graph.
/// </param>
/// <param name="xmlDoc">
/// The xml doc.
/// </param>
/// <returns>
/// Returns Graph object with added parsed edges.
/// </returns>
private static Graph ParseEdges(Graph graph, XmlDocument xmlDoc)
{
XmlNodeList xmlEdges = xmlDoc.GetElementsByTagName("edge");
for (int i = 0; i < xmlEdges.Count; i++)
{
XmlNode xmlsNode = xmlEdges[i].ChildNodes.Item(0);
XmlNode xmleNode = xmlEdges[i].ChildNodes.Item(1);
XmlNode xmleCapacity = xmlEdges[i].ChildNodes.Item(2);
if (xmlsNode != null && xmleNode != null && xmleCapacity != null)
{
string xmlsNodeStr = xmlsNode.InnerText;
string xmleNodeStr = xmleNode.InnerText;
string xmleCapacityStr = xmleCapacity.InnerText;
int flow = int.Parse(xmleCapacityStr);
GraphNode startNode = graph.Nodes.FindByName(xmlsNodeStr);
GraphNode endNode = graph.Nodes.FindByName(xmleNodeStr);
graph.AddDirectedEdge(startNode, endNode, flow);
}
}
return graph;
}