public Node getNextNode(Node curr)
{
bool flag = (curr == null);
foreach (object i in content)
{
if (i is Node)
{
if (flag)
{
return (Node)i;
}
else if ((Node)i == curr)
{
flag = true;
}
}
}
return null;
}
public Path(System.IO.Stream stream)
{
int id;
object[] content;
try
{
byte[] array1 = new byte[sizeof(int) * 2];
stream.Read(array1, 0, array1.Length);
// ByteBuffer buffer1 = new ByteBuffer(array1);
MemoryStream ms = new MemoryStream(array1);
BinaryReader buffer1 = new BinaryReader(ms);
id = buffer1.ReadInt32();
int count = buffer1.ReadInt32();
content = new object[count];
for (int i = 0; i < count; i++)
{
int type = stream.ReadByte();
if (type == 0)
{
content[i] = new Node(stream);
}
else
{
content[i] = new Tag(stream);
}
}
}
catch (Exception e)
{
id = 0;
content = new object[0];
}
this.id = id;
this.content = content;
}
public XMLHandler()
{
XmlReaderSettings settings = new XmlReaderSettings();
settings.ConformanceLevel = ConformanceLevel.Fragment;
settings.IgnoreWhitespace = true;
settings.IgnoreComments = true;
XmlReader reader = XmlReader.Create("map.xml", settings);
reader.MoveToContent();
paths = new Collection<Path>();
nodeMap = new Dictionary<string, Node>();
nodes = new List<Node>();
content = null;
while (reader.Read())
{
switch (reader.NodeType)
{
case XmlNodeType.Element:
// Console.Write("<{0}>", reader.Name);
if (reader.Name.CompareTo("node") == 0)
{
string id = reader.GetAttribute("id");
string slat = reader.GetAttribute("lat");
string slon = reader.GetAttribute("lon");
double lat = Double.Parse(slat);
double lon = Double.Parse(slon);
Node node = new Node(0, lat, lon);
nodes.Add(node);
if (id != null)
{
nodeMap.Add(id, node);
}
content = new List<object>();
content.Add(node);
}
else if (reader.Name.CompareTo("path") == 0)
{
content = new List<object>();
}
else if (reader.Name.CompareTo("tag") == 0)
{
string key = reader.GetAttribute("k");
string value = reader.GetAttribute("v");
Tag tag = new Tag(key, value);
content.Add(tag);
}
else if(reader.Name.CompareTo("nd") == 0)
{
string myref = reader.GetAttribute("ref");
Node node = nodeMap[myref];
content.Add(node);
}
break;
case XmlNodeType.EndElement:
// Console.Write("</{0}>", reader.Name);
if(reader.Name.CompareTo("node") == 0)
{
if(content.Count > 1)
{
Path path = new Path(0, content);
paths.Add(path);
}
}
else if (reader.Name.CompareTo("path") == 0)
{
Path path = new Path(0, content);
paths.Add(path);
content = null;
}
else if (reader.Name.CompareTo("tag") == 0)
{
}
else if (reader.Name.CompareTo("nd") == 0)
{
}
break;
}
}
for (int i = 0; i < nodes.Count; i++)
{
nodes[i].id = i;
}
for (int i = 0; i < paths.Count; i++)
{
paths[i].id = i;
}
}