public static Path3D LoadPath(string pathToFile)
{
Path3D path = new Path3D();
using (StreamReader sr = new StreamReader(pathToFile))
{
string readText = File.ReadAllText(pathToFile);
string pattern = "([a-zA-Z]+) [(]X = ([0-9.]*[0-9]+), Y = ([0-9.]*[0-9]+), Z = ([0-9.]*[0-9]+)[)]";
var regex = new Regex(pattern);
var matches = regex.Matches(readText);
if (matches.Count <= 0)
{
throw new ApplicationException("Invalid data in file " + pathToFile);
}
foreach (Match match in matches)
{
string str = match.Groups[1].Value;
double x = double.Parse(match.Groups[2].Value);
double y = double.Parse(match.Groups[3].Value);
double z = double.Parse(match.Groups[4].Value);
Point3D p = new Point3D(str, x, y, z);
path.AddPoint(p);
}
}
return(path);
}
public static void SavePath(string pathToFile, Path3D path)
{
if (!File.Exists(pathToFile))
{
using (StreamWriter sw = File.CreateText(pathToFile))
{
sw.Write(path);
}
}
else
{
File.AppendAllText(pathToFile, path.ToString());
}
}
static void Main(string[] args)
{
Point3D pointA = new Point3D("A", 6, 5, 8);
Point3D pointB = new Point3D("B", 1.5, 8, 2.3);
Point3D pointC = new Point3D("C", 9, 3, 7.5);
Point3D pointD = new Point3D("D", 3, 1, 4.5);
Console.WriteLine(Point3D.StartingPoint.ToString());
Console.WriteLine();
Console.WriteLine(pointA.ToString());
Console.WriteLine();
Console.WriteLine(pointB.ToString());
Console.WriteLine();
Console.WriteLine(pointC.ToString());
Console.WriteLine();
Console.WriteLine(pointD.ToString());
Console.WriteLine();
Console.WriteLine("The Distance between point A and point B is: " + DistanceCalculator.CalculateTheDistance(pointA, pointB));
Console.WriteLine();
string pathToFile = @"D:\Documents\Software University\2nd level\OOP\02.OOP-Static-Members-and-Namespaces-Homework\trunk\Problem01Point3D\Problem01Point3D\Path3D.txt";
Path3D path = new Path3D(pointA, pointB, Point3D.StartingPoint);
Console.WriteLine("Save path: {0}", path);
Storage.SavePath(pathToFile, path);
Console.WriteLine();
Path3D path2 = new Path3D(pointA, pointB, pointC, pointD);
Console.WriteLine("Save path: {0}", path2);
Storage.SavePath(pathToFile, path2);
Console.WriteLine();
Path3D path3 = new Path3D(pointC, pointB, pointD);
Console.WriteLine("Save path: {0}", path3);
Storage.SavePath(pathToFile, path3);
Console.WriteLine();
Path3D loadPath = Storage.LoadPath(pathToFile);
Console.WriteLine("Load path: {0}", loadPath);
}
