public static void Decode(string arg)
{
LocalizedTexts texts;
using (var stream = new FileStream(arg, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var reader = new BinaryReader(stream))
{
if (arg.ToLower().EndsWith(".item"))
{
stream.Position = 0x3C;
}
else
{
stream.Position = 4;
var metadataLength = reader.ReadInt32();
if ((metadataLength & 7) != 0)
{
Console.WriteLine("WARNING: The first offset doesn't seem to be valid.");
}
stream.Position = ((metadataLength >> 3) << 3) - 4;
}
stream.Position = reader.ReadInt32();
var numStrings = reader.ReadInt32();
if (numStrings <= 0)
{
throw new NoStringException();
}
texts = new LocalizedTexts(numStrings);
var numPointers = reader.ReadInt32();
var stringPointers = new StringPointer[numStrings];
for (var i = 0; i < numStrings; i++)
{
stringPointers[i] = new StringPointer(reader);
}
var pointerPointers = new LanguagePointer[numPointers];
for (var i = 0; i < numPointers; i++)
{
pointerPointers[i] = new LanguagePointer(reader);
}
var baseOffset = stream.Position;
foreach (var stringPointer in stringPointers)
{
var text = new LocalizedText(stringPointer.Count);
for (var i = 0; i < stringPointer.Count; i++)
{
var pointer = pointerPointers[stringPointer.Index + i];
stream.Position = baseOffset + pointer.Offset;
text.Add(pointer.LanguageID, ReadString(reader));
}
texts.Add(text);
}
}
File.WriteAllText(arg + ".xml", texts.ToString());
}
public static void Encode(string arg)
{
var texts = new LocalizedTexts(XDocument.Load(arg).Element("strings"));
var stringPointers = new StringPointer[texts.Count];
var pointerPointers = new List <LanguagePointer>(texts.Count);
var stringOffsets = new Dictionary <string, int>();
int pointerIndex = 0, offset = 0;
for (var i = 0; i < texts.Count; i++)
{
stringPointers[i].Index = pointerIndex;
pointerIndex += stringPointers[i].Count = texts[i].Count;
foreach (var pair in texts[i])
{
if (!stringOffsets.ContainsKey(pair.Value))
{
pointerPointers.Add(new LanguagePointer(pair.Key, offset));
stringOffsets.Add(pair.Value, offset);
offset += Encoding.UTF8.GetByteCount(pair.Value) + 1;
}
else
{
pointerPointers.Add(new LanguagePointer(pair.Key, stringOffsets[pair.Value]));
}
}
}
using (var stream = new FileStream(arg.Remove(arg.Length - 4), FileMode.Open, FileAccess.ReadWrite, FileShare.Read))
{
var reader = new BinaryReader(stream);
var writer = new BinaryWriter(stream);
int offsetOffset;
byte[] oldBytes;
var isItem = arg.ToLower().EndsWith(".item.xml");
if (isItem)
{
stream.Position = 0x40;
var extraBytesCount = reader.ReadInt32();
stream.Position = reader.ReadInt32();
oldBytes = reader.ReadBytes(extraBytesCount + 3);
offsetOffset = 0x3C;
}
else
{
stream.Position = 4;
var metadataLength = reader.ReadInt32();
if ((metadataLength & 7) != 0)
{
Console.WriteLine("WARNING: The first offset doesn't seem to be valid.");
}
offsetOffset = ((metadataLength >> 3) << 3) - 4;
oldBytes = new byte[0];
}
stream.Position = offsetOffset;
var tableOffset = stream.Position = reader.ReadInt32();
writer.Write(texts.Count);
writer.Write(pointerPointers.Count);
foreach (var pointer in stringPointers)
{
writer.Write(pointer.Index);
writer.Write(pointer.Count);
}
foreach (var pointer in pointerPointers)
{
writer.Write(pointer.LanguageID);
writer.Write(pointer.Offset);
}
foreach (var pair in stringOffsets.OrderBy(p => p.Value))
{
writer.Write(Encoding.UTF8.GetBytes(pair.Key));
writer.Write((byte)0);
}
var oldBytesOffset = (int)stream.Position;
writer.Write(oldBytes);
writer.Flush();
if (stream.Position < stream.Length)
{
stream.SetLength(stream.Position);
}
stream.Position = offsetOffset - 4;
writer.Write((int)(stream.Length - tableOffset - oldBytes.LongLength));
if (!isItem)
{
return;
}
stream.Position += 8;
writer.Write(oldBytesOffset);
}
}
