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tmi-practicum-2018-2019/TMI-practicum/Program.cs
2019-05-15 16:30:10 +02:00

105 lines
3.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
namespace TMI_practicum
{
internal static class Program
{
public static void Main(string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("Please enter a file.");
Environment.Exit(1);
}
if (!File.Exists(args[0]))
{
Console.WriteLine("File {0} not found.", args[0]);
Environment.Exit(1);
}
var parsed = ParseFile(args[0]);
IEnumerable<Intersection> solved;
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
switch (parsed.Item1)
{
case 1:
solved = SimpleAlgorithm.Solve(parsed.Item3);
break;
case 2:
solved = SweepLineAlgorithm.Solve(parsed.Item3);
break;
case 3:
throw new NotImplementedException();
default:
throw new ArgumentException("Algorithm with id: " + parsed.Item1 + " is not defined!");
}
stopwatch.Stop();
WriteOutput(solved, stopwatch.ElapsedMilliseconds / 1000.0);
}
private static Tuple<byte, int, IList<Circle>> ParseFile(string path)
{
byte algoritm = 0;
int nbCircles = 0;
Circle[] circles = null;
using (StreamReader file = new StreamReader(path))
{
try
{
algoritm = byte.Parse(file.ReadLine());
nbCircles = int.Parse(file.ReadLine());
circles = new Circle[nbCircles];
string line;
int i = 0;
while ((line = file.ReadLine()) != null)
{
double[] parts = line.Split(' ').Select(double.Parse).ToArray();
circles[i++] = new Circle(parts[0], parts[1], parts[2]);
}
}
catch (Exception)
{
Console.WriteLine("An error occured parsing the input file.\r\n" +
"Make sure the file has all required values and consists only of numbers.");
Environment.Exit(1);
}
}
return new Tuple<byte, int, IList<Circle>>(algoritm, nbCircles, circles);
}
private const string OutputFile = "output.txt";
private static void WriteOutput(IEnumerable<Intersection> intersections, double time)
{
if (File.Exists(OutputFile))
{
File.Delete(OutputFile);
}
using (StreamWriter sw = File.CreateText(OutputFile))
{
foreach (var intersection in intersections)
{
sw.WriteLine("{0}\t{1}", intersection.X, intersection.Y);
}
sw.WriteLine("\r\n{0}", time);
}
}
}
}