private static Stack <Vertice> LoadGraph(StreamReader textreader)
{
var graph = new DirectedGraphLoader();
while (!textreader.EndOfStream)
{
var array = textreader.ReadLine().Split(' ', '\t').Select(int.Parse).ToArray();;
array.Check(c => c.Length == 2, c => new InvalidOperationException("invalid array length"));
var vertice1 = array[0];
var vertice2 = -array[1];
graph.AddEdge(vertice1, vertice2);
var vertice3 = -array[0];
var vertice4 = array[1];
graph.AddEdge(vertice4, vertice3);
}
//foreach (var trimmedLine in File.ReadAllLines(fileName).Select(line => line.Trim()).Where(trimmedLine => !string.IsNullOrWhiteSpace(trimmedLine)))
//{
// var array = trimmedLine.Split('\t', ' ').Select(int.Parse).ToArray();
// array.Check(c => c.Length == 2, c => new InvalidOperationException("invalid array length"));
// var vertice1 = array[0];
// var vertice2 = -array[1];
// graph.AddEdge(vertice1, vertice2);
// var vertice3 = -array[0];
// var vertice4 = array[1];
// graph.AddEdge(vertice3, vertice4);
//}
return(graph.GetVertices());
}
private static Stack <Vertice> GetFromFile(string filename)
{
var graph = new DirectedGraphLoader();
foreach (var trimmedLine in File.ReadAllLines(filename).Select(line => line.Trim()).Where(trimmedLine => !string.IsNullOrWhiteSpace(trimmedLine)))
{
var array = trimmedLine.Split('\t', ' ').Select(int.Parse).ToArray();
array.Check(c => c.Length == 2, c => new InvalidOperationException("invalid array length"));
var vertice1 = array[0];
var vertice2 = array[1];
graph.AddEdge(vertice1, vertice2);
}
return(graph.GetVertices());
}