Genarrative/plugins/agc-unity-editor/dotnet/src/DiagnosticPaths.cs

using System.ComponentModel;
using System.Text.RegularExpressions;

namespace Agc.Unity.Attach;

internal static class DiagnosticPaths
{
    public static string Redact(string text)
    {
        var local = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
        var prefixes = new List<(string Path, string Replacement)>
        {
            (AppContext.BaseDirectory, "<helper>"),
            (local, "<local>"),
            (Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "<user>")
        };
        if (!string.IsNullOrEmpty(local)) prefixes.Add((Path.Combine(local, "Genarrative", "UnityAttach"), "<unity-cache>"));
        foreach (var prefix in prefixes.ToArray())
        {
            if (string.IsNullOrWhiteSpace(prefix.Path)) continue;
            try { prefixes.Add((ProjectIdentity.Canonical(prefix.Path), prefix.Replacement)); }
            catch (Exception error) when (error is IOException or UnauthorizedAccessException or Win32Exception or ArgumentException or NotSupportedException) { }
        }
        foreach (var prefix in prefixes.Where(item => !string.IsNullOrWhiteSpace(item.Path)).OrderByDescending(item => item.Path.Length))
        {
            // Roslyn emits slash-separated paths even on Windows. Match only a known
            // directory prefix and leave the source filename, line/column and message intact.
            var parts = prefix.Path.TrimEnd('/', '\\').Replace('\\', '/').Split('/');
            var pattern = string.Join(@"[\\/]", parts.Select(Regex.Escape)) + @"(?=[\\/]|$)";
            text = Regex.Replace(text, pattern, _ => prefix.Replacement, RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
        }
        return text;
    }
}