Masuit.Tools/Masuit.Tools.Abstractions/Files/FileDetector/Detectors/RichTextFormatDetector.cs

using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using Masuit.Tools.Mime;

namespace Masuit.Tools.Files.FileDetector.Detectors;

[FormatCategory(FormatCategory.Document)]
internal class RichTextFormatDetector : AbstractSignatureDetector
{
    private static readonly SignatureInformation[] RtfSignatureInfo = {
        new () { Position = 0, Signature = new byte [] { 0x7B, 0x5C, 0x72, 0x74, 0x66, 0x31 } },
    };

    public override string Extension => "rtf";

    protected override SignatureInformation[] SignatureInformations => RtfSignatureInfo;

    public override string MimeType => new MimeMapper().GetMimeFromExtension("." + Extension);

    public override List<FormatCategory> FormatCategories => GetType().GetCustomAttributes<FormatCategoryAttribute>().Select(a => a.Category).ToList();

    public override string ToString() => "Rich Text Format Detector";
}