private static string GetRootNameInternal([NotNull] Stream stream, bool bigEndian)
{
Debug.Assert(stream != null);
int firstByte = stream.ReadByte();
if (firstByte < 0)
{
throw new EndOfStreamException();
}
else if (firstByte != (int)NbtTagType.Compound)
{
throw new NbtFormatException("Given NBT stream does not start with a TAG_Compound");
}
var reader = new NbtBinaryReader(stream, bigEndian);
return(reader.ReadString());
}
/// <summary> Initializes a new instance of the NbtReader class. </summary>
/// <param name="stream"> Stream to read from. </param>
/// <param name="bigEndian"> Whether NBT data is in Big-Endian encoding. </param>
/// <exception cref="ArgumentNullException"> <paramref name="stream"/> is <c>null</c>. </exception>
/// <exception cref="ArgumentException"> <paramref name="stream"/> is not readable. </exception>
public NbtReader([NotNull] Stream stream, bool bigEndian)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
SkipEndTags = true;
CacheTagValues = false;
ParentTagType = NbtTagType.Unknown;
canSeekStream = stream.CanSeek;
if (canSeekStream)
{
streamStartOffset = stream.Position;
}
reader = new NbtBinaryReader(stream, bigEndian);
}
private void LoadFromStreamInternal([NotNull] Stream stream, [CanBeNull] TagSelector tagSelector)
{
// Make sure the first byte in this file is the tag for a TAG_Compound
int firstByte = stream.ReadByte();
if (firstByte < 0)
{
throw new EndOfStreamException();
}
if (firstByte != (int)NbtTagType.Compound)
{
throw new NbtFormatException("Given NBT stream does not start with a TAG_Compound");
}
var reader = new NbtBinaryReader(stream, BigEndian)
{
Selector = tagSelector
};
var rootCompound = new NbtCompound(reader.ReadString());
rootCompound.ReadTag(reader);
RootTag = rootCompound;
}