AdventOfCode23/Day22/Parser.cs

using System.Text.RegularExpressions;

namespace Day22;

public partial class Parser
{
    [GeneratedRegex(@".*")]
    private partial Regex LineMatch();
    
    public BrickStack Parse(string inputFile)
    {
        var brickStack = new BrickStack();
        using var reader = File.OpenText(inputFile);
        
        while (!reader.EndOfStream)
        {
            var line = reader.ReadLine()!;
            var parts = line.Split('~');
            var points = parts.Take(2).Select(s => Vec.FromArray(s.Split(',').Select(int.Parse).ToArray())).ToArray();
            
            brickStack.Add(new Brick(points[0], points[1]));
        }

        return brickStack;
    }
}