public static Rune FromUtf32(byte[] array, ref int index, ByteOrder endianness = ByteOrder.LittleEndian)
{
if (index + 4 > array.Length)
{
throw new ArgumentOutOfRangeException("index", "Need 4 bytes to process Utf32");
}
var decoder = new Utf32.ByteDecoder(endianness);
decoder.Process(array[index++]);
decoder.Process(array[index++]);
decoder.Process(array[index++]);
var result = decoder.Process(array[index++]);
return(new Rune(result.GetValueOrDefault()));
}
// byte.Utf32... -> Rune
public static IEnumerable <Rune> AsUtf32Runes(this IEnumerable <byte> bytes, ByteOrder endianness = ByteOrder.LittleEndian)
{
var decoder = new Utf32.ByteDecoder(endianness);
return(DecodeValues(bytes, decoder, "Ill-formed Utf32."));
}
