public static bool TryParse(MemoryCursor cursor, ExtensionType type, Range range, out MemoryBuffer buffer)
{
buffer = new MemoryBuffer();
if (!ExtensionType.TrySlice(cursor, type))
{
return(false);
}
buffer = ExtensionVectorLength.Slice(cursor, range);
return(true);
}
public static bool TryParse(ReadOnlyMemory <byte> bytes, out AlpnExtension result, out ReadOnlyMemory <byte> remainings)
{
result = new AlpnExtension();
remainings = bytes;
var type = ExtensionType.Parse(bytes, out var afterTypeBytes);
if (type != ExtensionType.ApplicationLayerProtocolNegotiation)
{
return(false);
}
var payload = ExtensionVectorLength.Slice(afterTypeBytes, 2..ushort.MaxValue, out remainings);
result = new AlpnExtension(payload);
return(true);
}
public static ExtensionVectorLength.CursorWritingContext StartWriting(MemoryCursor cursor, ExtensionType type, Range range)
{
type.WriteBytes(cursor);
return(ExtensionVectorLength.StartWriting(cursor, range));
}
