static void Main()
{
var lib = GraphLibrary <object, object, object, object> .LoadFile("../../../../../demo.fgn");
Console.WriteLine(lib.Save());
Example1();
Example2();
}
public static GraphLibrary <T, G, N, E> Load(string fileData)
{
GraphLibrary <T, G, N, E> library = new GraphLibrary <T, G, N, E>();
Active active = Active.None;
Graph <G, N, E> graph = null;
int nodeId = -1;
int edgeId = -1;
int currPos = 0;
string line = GraphString.NextLine(fileData, ref currPos)?.Trim();
while (line != null)
{
if (line.Length == 0)
{
continue;
}
if (line[0] == '-')
{
if (line.Length < 3 || (line[2] != ' ' && line[2] != '\t'))
{
continue;
}
string args = line.Substring(3);
switch (line[1])
{
case 'g':
library.Add(args);
graph = library.Get(args);
active = Active.Graph;
break;
case 'n':
nodeId = graph.AddNodeId(args);
active = Active.Node;
break;
case 'e':
string[] nodes = args.Split(',');
edgeId = graph.AddEdgeId(
nodes[0].Trim(),
nodes[1].Trim());
active = Active.Edge;
break;
}
}
else if (line[0] == '#')
{
}
else
{
int sep = line.IndexOf(' ');
string key = line.Substring(0, sep);
string val = line.Substring(sep + 1);
val = GraphString.Unescape(val);
switch (active)
{
case Active.Graph: graph.data [key] = val; break;
case Active.Node: graph.nodes[nodeId].data[key] = val; break;
case Active.Edge: graph.edges[edgeId].data[key] = val; break;
case Active.None: library.data [key] = val; break;
}
}
line = GraphString.NextLine(fileData, ref currPos)?.Trim();
}
return(library);
}
