public XmlTagReader(XmlReader reader)
{
_reader = reader;
_state = new TagState(FileAccess.Read);
_state.Start();
}
public BinaryTagReader(Stream stream, bool autoDetectCompression)
{
if (stream.CanSeek && autoDetectCompression)
{
if (stream.IsGzipCompressed())
{
_originalStream = stream;
_stream = new GZipStream(_originalStream, CompressionMode.Decompress);
}
else if (stream.IsDeflateCompressed())
{
_originalStream = stream;
_stream = new DeflateStream(_originalStream, CompressionMode.Decompress);
}
else
{
_stream = stream;
}
}
else
{
_stream = stream;
}
_state = new TagState(FileAccess.Read);
_state.Start();
}
public bool Read()
{
switch (_readState)
{
case ReadState.NotInitialized:
int value;
value = _stream.ReadByte();
if (value != (int)TagType.Compound)
{
throw new InvalidDataException("Stream does not contain a NBT compound.");
}
_type = TagType.Compound;
_readState = ReadState.Tag;
_state.Start();
_state.StartTag(_type);
break;
case ReadState.TagEnd:
case ReadState.TagType:
this.SetType(_stream.ReadByte());
break;
case ReadState.Tag:
case ReadState.TagValue:
this.MoveToNextElement();
break;
case ReadState.End:
_state.SetComplete();
break;
default:
throw new InvalidOperationException($"Unexpected read state '{_readState}'.");
}
return(_readState != ReadState.End);
}
public override void WriteStartDocument()
{
_state.Start();
_writer.WriteStartDocument(true);
}
public override void WriteStartDocument()
{
_state.Start();
}