/// <summary> /// Initializes a new instance of the <see cref="XmlReader"/> class. /// </summary> /// <param name="buffer">An array of bytes containing the contents of a binary XML.</param> public XmlReader(byte[] buffer) { //Read header section. var binaryBuffer = new BigEndianBinaryBuffer(buffer); var signature = binaryBuffer.ReadU8(); var compressionFlag = binaryBuffer.ReadU8(); var encodingFlag = binaryBuffer.ReadU8(); var encodingFlagNot = binaryBuffer.ReadU8(); //Verify magic. if (signature != 0xA0) { throw new KbinException($"Signature was invalid. {signature} != 0xA0"); } //Encoding flag should be an inverse of the fourth byte. if ((byte)~encodingFlag != encodingFlagNot) { throw new KbinException($"Third byte was not an inverse of the fourth. {~encodingFlag} != {encodingFlagNot}"); } var compressed = compressionFlag == 0x42; var encoding = EncodingDictionary.EncodingMap[encodingFlag]; //Get buffer lengths and load. var nodeLength = binaryBuffer.ReadS32(); _nodeBuffer = new NodeBuffer(buffer.Skip(8).Take(nodeLength).ToArray(), compressed, encoding); var dataLength = BitConverter.ToInt32(buffer.Skip(nodeLength + 8).Take(4).Reverse().ToArray(), 0); _dataBuffer = new DataBuffer(buffer.Skip(nodeLength + 12).Take(dataLength).ToArray(), encoding); _xmlDocument.InsertBefore(_xmlDocument.CreateXmlDeclaration("1.0", encoding.WebName, null), _xmlDocument.DocumentElement); }
/// <summary> /// Initializes a new instance of the <see cref="KbinReader"/> class. /// </summary> /// <param name="buffer">An array of bytes containing the contents of a binary XML.</param> public KbinReader(byte[] buffer) { //Read header section. var binaryBuffer = new BigEndianBinaryBuffer(buffer); var signature = binaryBuffer.ReadU8(); var compressionFlag = binaryBuffer.ReadU8(); var encodingFlag = binaryBuffer.ReadU8(); var encodingFlagNot = binaryBuffer.ReadU8(); //Verify magic. if (signature != 0xA0) { throw new KbinException($"Signature was invalid. 0x{signature.ToString("X2")} != 0xA0"); } //Encoding flag should be an inverse of the fourth byte. if ((byte)~encodingFlag != encodingFlagNot) { throw new KbinException($"Third byte was not an inverse of the fourth. {~encodingFlag} != {encodingFlagNot}"); } var compressed = compressionFlag == 0x42; Encoding = EncodingDictionary.EncodingMap[encodingFlag]; //Get buffer lengths and load. var span = new Span <byte>(buffer); var nodeLength = binaryBuffer.ReadS32(); _nodeBuffer = new NodeBuffer(span.Slice(8, nodeLength).ToArray(), compressed, Encoding); var dataLength = BitConverterHelper.GetBigEndianInt32(span.Slice(nodeLength + 8, 4)); _dataBuffer = new DataBuffer(span.Slice(nodeLength + 12, dataLength).ToArray(), Encoding); var settings = new XmlWriterSettings { Async = false, Encoding = Encoding, Indent = false }; _writerStream = new MemoryStream(); _xmlWriter = XmlWriter.Create(_writerStream, settings); _xmlWriter.WriteStartDocument(); }