NHSE/NHSE.Parsing/ParseConverter.cs

using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Linq;

namespace NHSE.Parsing;

/// <summary>
/// Logic for converting various dumps to resources used by the Core project.
/// </summary>
public static class ParseConverter
{
    /// <summary>
    /// Converts {Hex, Name} to an index-able list of strings.
    /// </summary>
    /// <param name="input">Path to Key Value pair listing, with keys being hex numbers (without 0x prefix)</param>
    /// <param name="output">File to write the result list to</param>
    public static void ConvertItemStrings(string input, string output)
    {
        var result = ConvertItemList(input);
        File.WriteAllLines(output, result);
    }

    private static string[] ConvertItemList(string path)
    {
        var lines = File.ReadAllLines(path);
        var items = lines.Select(ParseItem.FromString).ToArray();

        var max = items.Max(z => z.Index);
        var result = new string[max + 1];
        foreach (var item in items)
            result[item.Index] = item.Name;
        return result;
    }
}

public readonly record struct ParseItem
{
    public required int Index {get; init; }
    public required string Name { get; init; }

    [SetsRequiredMembers]
    public ParseItem(string line)
    {
        var split = line.Split(", ");
        Index = int.Parse(split[0], System.Globalization.NumberStyles.HexNumber);
        Name = split[1];
    }

    public static ParseItem FromString(string s) => new(s);
}