public RouteMap Deserialize(Stream stream)
{
using (var reader = new BinaryReader(stream))
{
var guid = new Guid(reader.ReadBytes(16));
int strings = reader.ReadInt32();
int vertices = reader.ReadInt32();
int edges = reader.ReadInt32();
var result = new RouteMap()
{
Guid = guid.ToString()
};
string[] stringTable = new string[strings];
for (int i = 0; i < strings; i++)
{
stringTable[i] = ReadString(reader);
}
for (int v = 0; v < vertices; v++)
{
result.Vertices.Add(DeserializeVertex(reader, stringTable, v));
}
for (int e = 0; e < edges; e++)
{
result.Edges.Add(DeserializeEdge(reader, stringTable, e));
}
result.UpdateVertices();
return(result);
}
}
public void Serialize(RouteMap routeMap, Stream stream)
{
using (BinaryWriter writer = new BinaryWriter(stream))
{
writer.Write(Guid.NewGuid().ToByteArray());
var strings = new SortedSet <string>();
strings.Add("");
FillStringTable(routeMap.Vertices.Select(v => v.Name), strings);
FillStringTable(routeMap.Edges.Select(v => v.Name), strings);
writer.Write(strings.Count);
writer.Write(routeMap.Vertices.Count);
writer.Write(routeMap.Edges.Count);
var stringTable = new Dictionary <string, int>();
int index = 0;
foreach (var str in strings)
{
stringTable.Add(str, index++);
if (string.IsNullOrEmpty(str))
{
writer.Write((byte)0);
}
else
{
var bytes = Encoding.UTF8.GetBytes(str);
writer.Write((byte)bytes.Length);
writer.Write(bytes);
}
}
foreach (var v in routeMap.Vertices)
{
Serialize(v, writer, stringTable);
}
foreach (var e in routeMap.Edges)
{
Serialize(e, writer, stringTable);
}
}
}