public DescrambledArgument(DescrambledMessage aoDescrambledMessage)
{
this._recursive = aoDescrambledMessage;
this._message = aoDescrambledMessage.Message;
this._type = DescrambledArgumentType.Recursive;
this._categoryID = aoDescrambledMessage.CategoryID;
this._entryID = aoDescrambledMessage.EntryID;
}
public static DescrambledMessage Decode(string scrambledString, bool recursive, MdbReader reader)
{
if (reader == null)
{
reader = new MdbReader();
}
if (scrambledString.Length < 2)
{
throw new Exception("Invalid message length!");
}
if (!scrambledString.StartsWith("~"))
{
throw new Exception("Invalid message start! Expecting: ~");
}
if (!scrambledString.EndsWith("~") && !recursive)
{
throw new Exception("Invalid message end! Expecting: ~");
}
scrambledString = scrambledString.Substring(1);
if (!recursive)
{
scrambledString = scrambledString.Substring(0, scrambledString.Length - 1);
}
DescrambledMessage aoDescrambledMessage = new DescrambledMessage(0, 0, null);
MemoryStream stream = new MemoryStream(Encoding.UTF8.GetBytes(scrambledString));
while (true)
{
if (stream.Position >= stream.Length)
{
break;
}
//string type = char.ConvertFromUtf32(stream.ReadByte()); /* Not Supported on Mono */
string type = Convert.ToChar(stream.ReadByte()).ToString();
switch (type)
{
case "&": // Message start, Category ID and Entry ID
aoDescrambledMessage = new DescrambledMessage(
Base85.Decode(Read(stream, 5)),
Base85.Decode(Read(stream, 5)),
"~" + scrambledString + "~"
);
break;
case "s": // String
Int32 textSize = stream.ReadByte();
String text = Read(stream, textSize - 1);
aoDescrambledMessage.Append(new DescrambledArgument(text));
break;
case "i": // Integer
Int32 integer = Base85.Decode(Read(stream, 5));
aoDescrambledMessage.Append(new DescrambledArgument(integer));
break;
case "u": // Unsigned Integer
UInt32 unsignedInteger = (UInt32)Base85.Decode(Read(stream, 5));
aoDescrambledMessage.Append(new DescrambledArgument(unsignedInteger));
break;
case "f": // Float
Single single = (Single)Base85.Decode(Read(stream, 5));
aoDescrambledMessage.Append(new DescrambledArgument(single));
break;
case "R": // Reference, Category ID and Entry ID
String referenceMessage = string.Empty;
Int32 referenceCategoryID = Base85.Decode(Read(stream, 5));
Int32 referenceEntryID = Base85.Decode(Read(stream, 5));
if (reader != null)
{
MdbEntry referenceEntry = reader.GetEntry(referenceCategoryID, referenceEntryID);
if (referenceEntry != null)
{
referenceMessage = referenceEntry.Message;
}
}
DescrambledArgument reference = new DescrambledArgument(
referenceCategoryID,
referenceEntryID,
referenceMessage
);
aoDescrambledMessage.Append(reference);
break;
case "F": // Recursive, Complete new message
Int32 recursiveSize = stream.ReadByte();
String recursiveText = Read(stream, recursiveSize - 1);
aoDescrambledMessage.Append(new DescrambledArgument(Decode(recursiveText, true, reader)));
break;
default:
throw new Exception("Unknown type detected: " + type);
}
}
if (reader != null)
{
MdbEntry entry = reader.GetEntry(aoDescrambledMessage.CategoryID, aoDescrambledMessage.EntryID);
if (entry != null)
{
try { aoDescrambledMessage.Message = String.Format(PrintfToFormatString(entry.Message), aoDescrambledMessage.Arguments); }
catch { }
}
}
return(aoDescrambledMessage);
}
