/// <summary>
/// Fast way to get data from the response Open Street Map Overpass API.
/// </summary>
/// <param name="response">Response from Overpass API</param>
/// <param name="nodes">Dictionary of nodes</param>
/// <param name="ways">List of ways</param>
/// <param name="relations">List of relations</param>
public static void ParseOSMResponseFast(string response, out Dictionary <string, OnlineMapsOSMNode> nodes, out Dictionary <string, OnlineMapsOSMWay> ways, out List <OnlineMapsOSMRelation> relations)
{
int i = 0;
OSMXMLNode rootNode = new OSMXMLNode(response, ref i);
if (rootNode.childs == null)
{
nodes = new Dictionary <string, OnlineMapsOSMNode>();
ways = new Dictionary <string, OnlineMapsOSMWay>();
relations = new List <OnlineMapsOSMRelation>();
return;
}
int countNodes = 0;
int countWays = 0;
int countRelations = 0;
for (int j = 0; j < rootNode.childs.Count; j++)
{
OSMXMLNode node = rootNode.childs[j];
if (node.name == "node")
{
countNodes++;
}
else if (node.name == "way")
{
countWays++;
}
else if (node.name == "relation")
{
countRelations++;
}
}
nodes = new Dictionary <string, OnlineMapsOSMNode>(countNodes);
ways = new Dictionary <string, OnlineMapsOSMWay>(countWays);
relations = new List <OnlineMapsOSMRelation>(countRelations);
for (int j = 0; j < rootNode.childs.Count; j++)
{
OSMXMLNode node = rootNode.childs[j];
if (node.name == "node")
{
nodes.Add(node.GetAttribute("id"), new OnlineMapsOSMNode(node));
}
else if (node.name == "way")
{
OnlineMapsOSMWay way = new OnlineMapsOSMWay(node);
if (!ways.ContainsKey(way.id))
{
ways.Add(way.id, way);
}
}
else if (node.name == "relation")
{
relations.Add(new OnlineMapsOSMRelation(node));
}
}
}
private void ParseChild(string s, ref int i)
{
OSMXMLNode child = new OSMXMLNode(s, ref i);
if (childs == null)
{
childs = new List <OSMXMLNode>();
}
childs.Add(child);
}
