public RbfStructure Load(Stream stream)
{
stack = new Stack <RbfStructure>();
descriptors = new List <RbfEntryDescription>();
var reader = new DataReader(stream);
var ident = reader.ReadInt32();
if (ident != RBF_IDENT)
{
throw new Exception("The file identifier does not match.");
}
while (reader.Position < reader.Length)
{
var descriptorIndex = reader.ReadByte();
if (descriptorIndex == 0xFF) // close tag
{
var b = reader.ReadByte();
if (b != 0xFF)
{
throw new Exception("Expected 0xFF but was " + b.ToString("X2"));
}
if (stack.Count > 0)
{
current = stack.Pop();
}
else
{
if (reader.Position != reader.Length)
{
throw new Exception("Expected end of stream but was not.");
}
return(current);
}
}
else if (descriptorIndex == 0xFD) // bytes
{
var b = reader.ReadByte();
if (b != 0xFF)
{
throw new Exception("Expected 0xFF but was " + b.ToString("X2"));
}
var dataLength = reader.ReadInt32();
var data = reader.ReadBytes(dataLength);
var bytesValue = new RbfBytes();
bytesValue.Value = data;
current.Children.Add(bytesValue);
}
else
{
var dataType = reader.ReadByte();
if (descriptorIndex == descriptors.Count) // new descriptor + data
{
var nameLength = reader.ReadInt16();
var nameBytes = reader.ReadBytes(nameLength);
var name = Encoding.ASCII.GetString(nameBytes);
var descriptor = new RbfEntryDescription();
descriptor.Name = name;
descriptor.Type = dataType;
descriptors.Add(descriptor);
ParseElement(reader, descriptors.Count - 1, dataType);
}
else // existing descriptor + data
{
if (dataType != descriptors[descriptorIndex].Type)
{
//throw new Exception("Data type does not match. Expected "
// + descriptors[descriptorIndex].Type.ToString() + " but found "
// + dataType.ToString() + ". Descriptor: " + descriptors[descriptorIndex].Name);
}
ParseElement(reader, descriptorIndex, dataType);
}
}
}
throw new Exception("Unexpected end of stream.");
}
private static IRbfType Traverse(XNode node)
{
if (node is XElement element)
{
if (element.Attribute("value") != null)
{
var val = element.Attribute("value").Value;
if (!string.IsNullOrEmpty(val))
{
var rval = CreateValueNode(element.Name.LocalName, val);
if (rval != null)
{
return(rval);
}
}
}
else if ((element.Attributes().Count() == 3) && (element.Attribute("x") != null) && (element.Attribute("y") != null) && (element.Attribute("z") != null))
{
FloatUtil.TryParse(element.Attribute("x").Value, out float x);
FloatUtil.TryParse(element.Attribute("y").Value, out float y);
FloatUtil.TryParse(element.Attribute("z").Value, out float z);
return(new RbfFloat3()
{
Name = element.Name.LocalName,
X = x,
Y = y,
Z = z
});
}
else if ((element.Elements().Count() == 0) && (element.Attributes().Count() == 0) && (!element.IsEmpty)) //else if (element.Name == "type" || element.Name == "key" || element.Name == "platform")
{
var bytearr = Encoding.ASCII.GetBytes(element.Value);
var bytearrnt = new byte[bytearr.Length + 1];
Buffer.BlockCopy(bytearr, 0, bytearrnt, 0, bytearr.Length);
var bytes = new RbfBytes()
{
Value = bytearrnt
};
var struc = new RbfStructure()
{
Name = element.Name.LocalName
};
struc.Children.Add(bytes);
return(struc);
}
var n = new RbfStructure();
n.Name = element.Name.LocalName;
n.Children = element.Nodes().Select(c => Traverse(c)).ToList();
foreach (var attr in element.Attributes())
{
var val = attr.Value;
var aval = CreateValueNode(attr.Name.LocalName, val);
if (aval != null)
{
n.Attributes.Add(aval);
}
}
return(n);
}
else if (node is XText text)
{
byte[] bytes = null;
var contentAttr = node.Parent?.Attribute("content");
if (contentAttr != null)
{
if (contentAttr.Value == "char_array")
{
bytes = GetByteArray(text.Value);
}
else if (contentAttr.Value == "short_array")
{
bytes = GetUshortArray(text.Value);
}
else
{
}
}
else
{
bytes = Encoding.ASCII.GetBytes(text.Value).Concat(new byte[] { 0x00 }).ToArray();
}
if (bytes != null)
{
return(new RbfBytes()
{
Name = "",
Value = bytes
});
}
}
return(null);
}
