public Stream OpenFile(ulong hash, string fullName, LocaleFlags locale, ContentFlags content = ContentFlags.None)
{
EncodingEntry encInfo = GetEncodingEntry(hash, locale, content);
if (encInfo != null)
{
return(OpenFile(encInfo.Keys[0]));
}
throw new FileNotFoundException(fullName);
}
public void SaveFileTo(ulong hash, string fullName, string extractPath, LocaleFlags locale, ContentFlags content = ContentFlags.None)
{
EncodingEntry encInfo = GetEncodingEntry(hash, locale, content);
if (encInfo != null)
{
ExtractFile(encInfo.Keys[0], extractPath, fullName);
return;
}
throw new FileNotFoundException(fullName);
}
public EncodingHandler(Stream stream, AsyncAction worker)
{
if (worker != null)
{
worker.ThrowOnCancel();
//worker.ReportProgress(0);
}
using (var br = new BinaryReader(stream))
{
br.ReadBytes(2); // EN
byte b1 = br.ReadByte();
byte b2 = br.ReadByte();
byte b3 = br.ReadByte();
ushort s1 = br.ReadUInt16();
ushort s2 = br.ReadUInt16();
int numEntries = br.ReadInt32BE();
int i1 = br.ReadInt32BE();
byte b4 = br.ReadByte();
int entriesOfs = br.ReadInt32BE();
stream.Position += entriesOfs; // skip strings
stream.Position += numEntries * 32;
//for (int i = 0; i < numEntries; ++i)
//{
// br.ReadBytes(16);
// br.ReadBytes(16);
//}
for (int i = 0; i < numEntries; ++i)
{
ushort keysCount;
while ((keysCount = br.ReadUInt16()) != 0)
{
int fileSize = br.ReadInt32BE();
byte[] md5 = br.ReadBytes(16);
var entry = new EncodingEntry();
entry.Size = fileSize;
// how do we handle multiple keys?
for (int ki = 0; ki < keysCount; ++ki)
{
byte[] key = br.ReadBytes(16);
entry.Keys.Add(key);
}
//Encodings[md5] = entry;
EncodingData.Add(md5, entry);
}
//br.ReadBytes(28);
while (br.PeekChar() == 0)
{
stream.Position++;
}
if (worker != null)
{
worker.ThrowOnCancel();
//worker.ReportProgress((int)((float)i / (float)numEntries * 100));
}
}
//var pos = br.BaseStream.Position;
//for (int i = 0; i < i1; ++i)
//{
// br.ReadBytes(16);
// br.ReadBytes(16);
//}
}
}
