139 lines
3.6 KiB
C#
139 lines
3.6 KiB
C#
namespace omp
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{
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class UndergroundException : Exception;
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public interface IConfigurator
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{
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Type PointType { get; }
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public int XSize { get; }
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public int YSize { get; }
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public int ZCoordinate { get; }
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public List<Point> Stations { get; }
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}
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public class Configurator : IConfigurator
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{
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public Type PointType { get; }
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public int XSize { get; }
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public int YSize { get; }
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public int ZCoordinate { get; }
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public List<Point> Stations { get; } = [];
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public Configurator(string[] args)
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{
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List<string> lines = ReadAllLines(args);
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bool hasZ = CheckHasZ(lines[1]);
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if (hasZ)
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{
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PointType = typeof(Point3D);
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}
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else
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{
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PointType = typeof(Point2D);
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}
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(XSize, YSize) = ParseSize(lines[0]);
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ZCoordinate = ParseZCoord(lines[1], hasZ);
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ParseStations(lines, hasZ);
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}
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private static List<string> ReadAllLines(string[] args)
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{
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List<string> lines;
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if (args.Length == 0)
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{
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Console.WriteLine("Input parameters:");
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lines = [];
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string? line;
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while ((line = Console.ReadLine()) != null && line != "")
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{
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lines.Add(line);
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}
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}
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else if (args.Length == 1)
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{
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lines = new(File.ReadAllLines(args[0]));
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}
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else
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{
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throw new ArgumentException("You must either provide path to parameters file as an only cli argument, or insert it into STDIN");
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}
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return lines;
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}
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private static bool CheckHasZ(string line)
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{
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return line.Split(' ').Length == 1; // line contains a single number, z coordinate
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}
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private static (int, int) ParseSize(string line)
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{
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string[] size_parts = line.Split(' ', 2);
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int xSize = int.Parse(size_parts[0]);
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int ySize = int.Parse(size_parts[1]);
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return (xSize, ySize);
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}
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private int ParseZCoord(string line, bool hasZ)
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{
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int zCoordinate;
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if (hasZ)
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{
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zCoordinate = int.Parse(line);
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if (ZCoordinate < 0)
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{
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throw new UndergroundException();
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}
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}
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else
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{
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zCoordinate = -1;
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}
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return zCoordinate;
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}
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private void ParseStations(IReadOnlyList<string> lines, bool hasZ)
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{
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if (hasZ) Parse3DStations(lines);
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else Parse2DStations(lines);
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}
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private void Parse2DStations(IReadOnlyList<string> lines)
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{
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for (int i = 1; i < lines.Count; ++i)
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{
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string[] point_parts = lines[i].Split(' ', 2);
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int x = int.Parse(point_parts[0]);
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int y = int.Parse(point_parts[1]);
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Stations.Add(new Point2D(x, y));
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}
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}
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private void Parse3DStations(IReadOnlyList<string> lines)
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{
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for (int i = 2; i < lines.Count; ++i)
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{
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string[] point_parts = lines[i].Split(' ', 3);
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int x = int.Parse(point_parts[0]);
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int y = int.Parse(point_parts[1]);
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int z = int.Parse(point_parts[2]);
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Stations.Add(new Point3D(x, y, z));
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}
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}
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}
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}
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