private void ReadGraphData()
{
foreach (var line in _dataLoader.LoadData())
{
var fileData = line.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
switch (fileData[0])
{
case "p":
var numberOfVertices = int.Parse(fileData[2]);
for (var i = 0; i < numberOfVertices; i++)
{
VerticesWeights.Add(new Vertex(i));
}
EdgesWeights = new int[NumberOfVertices, NumberOfVertices];
NumberOfEdges = int.Parse(fileData[3]);
break;
case "e":
var vertexID = int.Parse(fileData[1]) - 1;
var connectedVertexID = int.Parse(fileData[2]) - 1;
EdgesWeights[vertexID, connectedVertexID] = 1;
EdgesWeights[connectedVertexID, vertexID] = 1;
var vertex = VerticesWeights.Single(v => v.Index == vertexID);
if (!vertex.ConnectedEdges.Contains(connectedVertexID))
{
vertex.ConnectedEdges.Add(connectedVertexID);
}
var connectedVertex = VerticesWeights.Single(v => v.Index == connectedVertexID);
if (!connectedVertex.ConnectedEdges.Contains(vertexID))
{
connectedVertex.ConnectedEdges.Add(vertexID);
}
break;
}
}
}
public void ReadVerticesWeights(Stream straem)
{
using (var reader = new StreamReader(straem))
{
// Skip first line.
var line = reader.ReadLine();
var vertexIndex = 0;
while (line != null)
{
line = reader.ReadLine();
// TODO: Check what to do where. -> exceptions?
if (line == null)
{
continue;
}
var vertex = new Vertex(vertexIndex, int.Parse(line));
vertexIndex++;
VerticesWeights.Add(vertex);
}
}
}
