public Node?ReadNode()
{
if (NodeStream.Position >= NodeStream.Length)
{
return(null);
}
var(nodeType, isArray) = ReadNodeType();
var name = nodeType switch {
NodeType.NodeEnd => "",
NodeType.FileEnd => "",
_ => _compression switch {
Compression.Compressed => Sixbit.Unpack(NodeStream),
Compression.Uncompressed => NodeStream.ReadString(NodeStream.ReadUInt8(), _encoding),
_ => throw new ArgumentOutOfRangeException()
}
};
return(new Node(name, nodeType, isArray));
}
public KBinReader(byte[] data)
{
var document = new XDocument();
var node = document.Root;
var nodeBuffer = new ByteBuffer(data);
Assert(nodeBuffer.GetU8(), 0xA0);
var compressedValue = nodeBuffer.GetU8();
if (compressedValue != 0x42 && compressedValue != 0x45)
{
throw new Exception();
}
var compressed = compressedValue == 0x42;
var encodingIndex = nodeBuffer.GetU8();
var encodingCheck = nodeBuffer.GetU8();
Assert(encodingCheck, (byte)(encodingIndex ^ 0xFF));
var encoding = Encodings[encodingIndex >> 5];
var nodeEnd = (int)nodeBuffer.GetU32() + 8;
var dataBuffer = new ByteBuffer(data, nodeEnd);
var dataSize = dataBuffer.GetU32();
var dataByteBuffer = new ByteBuffer(data, nodeEnd);
var dataWordBuffer = new ByteBuffer(data, nodeEnd);
document.Declaration = new XDeclaration("1.0", encoding.WebName, "");
var nodesLeft = true;
while (nodesLeft)
{
while (nodeBuffer.PeekU8() == 0)
{
nodeBuffer.GetU8();
}
var nodeType = nodeBuffer.GetU8();
var isArray = nodeType >> 6 == 1;
nodeType &= 0b10111111;
Formats.TryGetValue(nodeType, out var format);
var name = "";
if (nodeType != (byte)Control.NodeEnd && nodeType != (byte)Control.SectionEnd)
{
if (compressed)
{
name = Sixbit.Decode(nodeBuffer);
}
else
{
var length = (nodeBuffer.GetU8() & 0b10111111) + 1;
name = encoding.GetString(nodeBuffer.GetBytes(length)).Trim('\0');
}
}
var skip = true;
if (nodeType == (byte)Control.Attribute)
{
var readDataAuto = ReadDataAuto(dataBuffer);
Array.Reverse(readDataAuto);
var value = encoding.GetString(readDataAuto).Trim('\0');
node?.SetAttributeValue(name, value);
}
else if (nodeType == (byte)Control.NodeEnd)
{
if (node?.Parent != null)
{
node = node.Parent;
}
}
else if (nodeType == (byte)Control.SectionEnd)
{
nodesLeft = false;
}
else
{
skip = false;
}
if (skip)
{
continue;
}
var child = new XElement(name);
node?.Add(child);
node = child;
if (nodeType == (byte)Control.NodeStart)
{
continue;
}
node.SetAttributeValue("__type", format.Name);
var count = format.Count;
var arrayCount = 1;
if (count == -1)
{
count = (int)dataBuffer.GetU32();
isArray = true;
}
else if (isArray)
{
arrayCount = (int)(dataBuffer.GetU32() / (format.Size * count));
node.SetAttributeValue("__count", arrayCount);
}
var totalCount = arrayCount * count;
byte[] nodeData;
if (isArray)
{
nodeData = dataBuffer.GetBytes(totalCount);
dataBuffer.RealignRead();
}
else
{
nodeData = ReadDataAligned(dataBuffer, dataByteBuffer, dataWordBuffer, format.Size, format.Count);
}
var text = "";
if (format.Equals(Format.Binary))
{
node.SetAttributeValue("__size", totalCount);
Array.Reverse(nodeData);
for (var i = 0; i < nodeData.Length; i++)
{
text += nodeData[i].ToString("x2");
}
}
else if (format.Equals(Format.String))
{
Array.Reverse(nodeData);
text = encoding.GetString(nodeData);
}
else if (isArray)
{
for (var i = 0; i < arrayCount; i++)
{
text = format.FormatToString(nodeData[(i * count)..((i + 1) * count)]) + " " + text;