ManufacturerSpecific.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using OSDP.Net.Messages;
using OSDP.Net.Messages.SecureChannel;
 
namespace OSDP.Net.Model.CommandData
{
    public class ManufacturerSpecific : CommandData
    {
        public ManufacturerSpecific(byte[] vendorCode, byte[] data)
        {
            VendorCode = vendorCode ?? throw new ArgumentNullException(nameof(vendorCode));
            if (VendorCode.Length != 3) throw new ArgumentOutOfRangeException(nameof(vendorCode));
 
            Data = data ?? throw new ArgumentNullException(nameof(data));
        }

        public byte[] VendorCode { get; }

        public byte[] Data { get; }
        
        public override CommandType CommandType => CommandType.ManufacturerSpecific;

        public override byte Code => (byte)CommandType;
        
        public override ReadOnlySpan<byte> SecurityControlBlock() => SecurityBlock.CommandMessageWithDataSecurity;

        public override byte[] BuildData()
        {
            var data = new List<byte>
            {
                VendorCode[0],
                VendorCode[1],
                VendorCode[2]
            };
            data.AddRange(Data);
            return data.ToArray();
        }

        public static ManufacturerSpecific ParseData(ReadOnlySpan<byte> data)
        {
            return new ManufacturerSpecific(
                data.Slice(0, 3).ToArray(),
                data.Slice(3).ToArray()
            );
        }

        public override string ToString()
        {
            var sb = new StringBuilder();
            sb.AppendLine($"Vendor Code: {BitConverter.ToString(VendorCode.ToArray())}");
            sb.AppendLine($"       Data: {BitConverter.ToString(Data.ToArray())}");
            return sb.ToString();
        }
    }
}