Utils.cs

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using System.Text;
 
namespace IDSImaging.Peak.ICV.Backend;
 
internal static unsafe class Utils
{
    internal static void ToFixedArray<T>(T[] src, T* dest) where T : unmanaged
    {
        if (src.Length == 0)
        {
            return;
        }
 
        for (var i = 0; i < src.Length; i++)
        {
            dest[i] = src[i];
        }
    }
 
    internal static T[] FromFixedArray<T>(T* source, int length) where T : unmanaged
    {
        var result = new T[length];
        for (var i = 0; i < length; i++)
        {
            result[i] = source[i];
        }
 
        return result;
    }
 
    internal static byte[] ToUtf8(string value)
    {
        var bytes = Encoding.UTF8.GetBytes(value);
        var nullTerminated = new byte[bytes.Length + 1];
        Array.Copy(bytes, nullTerminated, bytes.Length);
        nullTerminated[bytes.Length] = 0;
        return nullTerminated;
    }
 
    internal static string FromUtf8(byte[] value)
    {
        var len = Array.IndexOf(value, (byte) 0);
        if (len < 0)
        {
            len = value.Length;
        }
 
        return Encoding.UTF8.GetString(value, 0, len);
    }
}