public static void ToBinaryFile(DataNode mainNode, string fileName, DataNodeBinary.BinaryFormat format = DataNodeBinary.BinaryFormat.Encrypted)
{
using (BinaryWriter binaryWriter = new BinaryWriter(File.Open(fileName, FileMode.Create)))
{
DataNodeBinary.ToBinaryStream(mainNode, binaryWriter, format);
}
}
private static void WriteSimpleFormat(DataNode mainNode, BinaryWriter writer)
{
writer.Write(1);
DataNodeBinary.WriteDataToBinary(mainNode, writer, null);
writer.Write((byte)5);
writer.Flush();
}
public static DataNode FromBinaryStream(BinaryReader reader)
{
string text = reader.ReadString();
if (text != "DEF2")
{
Debug.LogError("Unknown header " + text);
return(null);
}
int num = reader.ReadInt32();
switch (num)
{
case 1:
return(DataNodeBinary.ReadFromBinary(reader, null));
case 2:
return(DataNodeBinary.ReadCompressed(reader));
case 3:
return(DataNodeBinary.ReadEncrypted(reader));
default:
Debug.LogError("Unknown version " + num);
return(null);
}
}
private static DataNode ReadContentNode(BinaryReader br, List <string> header)
{
return(new DataNode(DataNodeBinary.ReadString(br, header))
{
Content = DataNodeBinary.ReadString(br, header)
});
}
private static DataNode ReadEncrypted(BinaryReader reader)
{
DataNode result = null;
using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
{
rijndaelManaged.Key = DataNodeBinary.m_EncryptKey;
rijndaelManaged.IV = DataNodeBinary.m_EncryptVector;
ICryptoTransform cryptoTransform = rijndaelManaged.CreateDecryptor(rijndaelManaged.Key, rijndaelManaged.IV);
CryptoStream input = new CryptoStream(reader.BaseStream, cryptoTransform, CryptoStreamMode.Read);
BinaryReader binaryReader = new BinaryReader(input);
int num = binaryReader.ReadInt32();
switch (num)
{
case 1:
result = DataNodeBinary.ReadFromBinary(binaryReader, null);
break;
case 2:
result = DataNodeBinary.ReadCompressed(binaryReader);
break;
case 3:
Debug.LogError("Double encryption!!!");
break;
default:
Debug.LogError("Unknown version " + num);
break;
}
cryptoTransform.Dispose();
}
return(result);
}
private static void WriteCompressedFormat(DataNode mainNode, BinaryWriter writer)
{
writer.Write(2);
Dictionary <string, int> header = DataNodeBinary.WriteCompressedHeader(mainNode, writer);
DataNodeBinary.WriteDataToBinary(mainNode, writer, header);
writer.Write((byte)5);
writer.Flush();
}
private static DataNode ReadCompressed(BinaryReader reader)
{
List <string> list = DataNodeBinary.ReadHeader(reader);
if (list == null)
{
return(null);
}
return(DataNodeBinary.ReadFromBinary(reader, list));
}
private static void WriteNodeName(DataNode node, BinaryWriter bw, Dictionary <string, int> header)
{
if (header == null)
{
bw.Write(node.Name);
}
else
{
DataNodeBinary.WriteCachedString(node.Name, bw, header);
}
}
public static byte[] ToBinaryBytes(DataNode mainNode, DataNodeBinary.BinaryFormat format = DataNodeBinary.BinaryFormat.Encrypted)
{
byte[] result;
using (MemoryStream memoryStream = new MemoryStream(65536))
{
using (BinaryWriter binaryWriter = new BinaryWriter(memoryStream))
{
DataNodeBinary.ToBinaryStream(mainNode, binaryWriter, format);
result = memoryStream.ToArray();
}
}
return(result);
}
private static DataNode ReadSubNodes(BinaryReader br, bool isList, List <string> header)
{
DataNode dataNode = new DataNode(DataNodeBinary.ReadString(br, header));
dataNode.IsList = isList;
int num = br.ReadInt32();
for (int i = 0; i < num; i++)
{
DataNode node = DataNodeBinary.ReadFromBinary(br, header);
dataNode.AddNode(node);
}
return(dataNode);
}
private static Dictionary <string, int> WriteCompressedHeader(DataNode mainNode, BinaryWriter writer)
{
int totalCount = mainNode.TotalCount;
Dictionary <string, int> dictionary = new Dictionary <string, int>(totalCount);
List <string> list = new List <string>(totalCount);
DataNodeBinary.m_HeaderIndex = 1;
DataNodeBinary.AddToHeader(dictionary, list, mainNode);
writer.Write(dictionary.Count);
foreach (string current in list)
{
writer.Write(current);
}
writer.Write((byte)4);
return(dictionary);
}
private static void WriteContentNode(DataNode node, BinaryWriter bw, Dictionary <string, int> header)
{
if (node.Nodes != null && node.Nodes.Count > 0)
{
throw new Exception("Node can't contain content and subnodes");
}
bw.Write((byte)1);
DataNodeBinary.WriteNodeName(node, bw, header);
if (header != null)
{
DataNodeBinary.WriteCachedString(node.Content, bw, header);
}
else
{
bw.Write(node.Content);
}
}
private static void WriteSubNodes(DataNode node, BinaryWriter bw, Dictionary <string, int> header)
{
if (node.IsList)
{
bw.Write((byte)2);
}
else
{
bw.Write((byte)3);
}
DataNodeBinary.WriteNodeName(node, bw, header);
bw.Write(node.Count);
for (int i = 0; i < node.Nodes.Count; i++)
{
DataNode node2 = node.Nodes[i];
DataNodeBinary.WriteDataToBinary(node2, bw, header);
}
}
private static void AddToHeader(Dictionary <string, int> header, List <string> keys, DataNode node)
{
if (!string.IsNullOrEmpty(node.Name) && !header.ContainsKey(node.Name))
{
header.Add(node.Name, DataNodeBinary.m_HeaderIndex);
keys.Add(node.Name);
DataNodeBinary.m_HeaderIndex++;
}
if (!string.IsNullOrEmpty(node.Content) && !header.ContainsKey(node.Content))
{
header.Add(node.Content, DataNodeBinary.m_HeaderIndex);
keys.Add(node.Content);
DataNodeBinary.m_HeaderIndex++;
}
foreach (DataNode current in node.Nodes)
{
DataNodeBinary.AddToHeader(header, keys, current);
}
}
public static void ToBinaryStream(DataNode mainNode, BinaryWriter writer, DataNodeBinary.BinaryFormat format)
{
writer.Write("DEF2");
switch (format)
{
case DataNodeBinary.BinaryFormat.Simple:
DataNodeBinary.WriteSimpleFormat(mainNode, writer);
break;
case DataNodeBinary.BinaryFormat.SimpleCompresssed:
DataNodeBinary.WriteCompressedFormat(mainNode, writer);
break;
case DataNodeBinary.BinaryFormat.Encrypted:
DataNodeBinary.WriteEncryptedFormat(mainNode, writer);
break;
default:
throw new ArgumentOutOfRangeException("format");
}
}
public static DataNode FromBinaryBytes(byte[] bytes)
{
DataNode result;
try
{
using (MemoryStream memoryStream = new MemoryStream(bytes))
{
using (BinaryReader binaryReader = new BinaryReader(memoryStream))
{
result = DataNodeBinary.FromBinaryStream(binaryReader);
}
}
}
catch (Exception exception)
{
Debug.LogError("Binary bytes load failed!");
Debug.LogException(exception);
result = null;
}
return(result);
}
public static void WriteDataToBinary(DataNode node, BinaryWriter bw, Dictionary <string, int> header)
{
if (node == null)
{
throw new ArgumentNullException();
}
if (string.IsNullOrEmpty(node.Content))
{
if (node.Nodes == null || node.Nodes.Count == 0)
{
DataNodeBinary.WriteEmptyNode(node, bw, header);
}
else
{
DataNodeBinary.WriteSubNodes(node, bw, header);
}
}
else
{
DataNodeBinary.WriteContentNode(node, bw, header);
}
}
private static DataNode ReadFromBinary(BinaryReader br, List <string> header)
{
byte b = br.ReadByte();
switch (b)
{
case 0:
return(DataNodeBinary.ReadEmptyNode(br, header));
case 1:
return(DataNodeBinary.ReadContentNode(br, header));
case 2:
return(DataNodeBinary.ReadSubNodes(br, true, header));
case 3:
return(DataNodeBinary.ReadSubNodes(br, false, header));
case 5:
throw new Exception("Unknown node type " + b);
}
throw new Exception("Unknown node type " + b);
}
private static void WriteEncryptedFormat(DataNode mainNode, BinaryWriter writer)
{
writer.Write(3);
using (RijndaelManaged rijndaelManaged = new RijndaelManaged())
{
rijndaelManaged.Key = DataNodeBinary.m_EncryptKey;
rijndaelManaged.IV = DataNodeBinary.m_EncryptVector;
ICryptoTransform cryptoTransform = rijndaelManaged.CreateEncryptor(rijndaelManaged.Key, rijndaelManaged.IV);
using (MemoryStream memoryStream = new MemoryStream())
{
using (CryptoStream cryptoStream = new CryptoStream(memoryStream, cryptoTransform, CryptoStreamMode.Write))
{
BinaryWriter binaryWriter = new BinaryWriter(cryptoStream);
DataNodeBinary.WriteCompressedFormat(mainNode, binaryWriter);
binaryWriter.Flush();
cryptoStream.Flush();
}
memoryStream.Flush();
writer.Write(memoryStream.ToArray());
}
cryptoTransform.Dispose();
}
writer.Flush();
}
public static DataNode FromBinaryFile(string fileName)
{
if (!File.Exists(fileName))
{
Debug.LogError("File " + fileName + " doesn't exist");
return(null);
}
DataNode result;
try
{
using (BinaryReader binaryReader = new BinaryReader(File.Open(fileName, FileMode.Open)))
{
result = DataNodeBinary.FromBinaryStream(binaryReader);
}
}
catch (Exception exception)
{
Debug.LogError("Binary file load failed!");
Debug.LogException(exception);
result = null;
}
return(result);
}
private static void WriteEmptyNode(DataNode node, BinaryWriter bw, Dictionary <string, int> header)
{
bw.Write((byte)0);
DataNodeBinary.WriteNodeName(node, bw, header);
}
private static DataNode ReadEmptyNode(BinaryReader br, List <string> header)
{
return(new DataNode(DataNodeBinary.ReadString(br, header)));
}
