public static void BuildPackage(List<string> path, string savePath, System.Windows.Forms.ProgressBar pb)
{
string fileName = savePath + "\\";
SgPack.Clear();
//==========================================
// Delete old files
//==========================================
string savepath = savePath + "\\";
for (int i = 100; i < 200; i++)
{
if (File.Exists(savepath + "res." + i.ToString()))
{
File.Delete(savepath + "res." + i.ToString());
}
}
for (int i = 10; i < 100; i++)
{
if (File.Exists(savepath + "res.0" + i.ToString()))
{
File.Delete(savepath + "res.0" + i.ToString());
}
}
for (int i = 0; i < 10; i++)
{
if (File.Exists(savepath + "res.00" + i.ToString()))
{
File.Delete(savepath + "res.00" + i.ToString());
}
}
//==========================================
// Pack new files
//==========================================
pb.Value = 0;
pb.Maximum = path.Count();
foreach (string pt in path)
{
SgdataIndex inx = new SgdataIndex();
FileInfo fi = new FileInfo(pt);
inx.DataId = GetFileNumber(Fhash.EncodeFileName(Path.GetFileName(pt)));
inx.Hash = Fhash.EncodeFileName(Path.GetFileName(pt));
inx.Name = Path.GetFileName(pt);
inx.Size = (int)fi.Length;
//Datei schreiben
FileStream fstr = new FileStream(fileName + "res." + inx.DataId, FileMode.Append);
BinaryWriter bwrite = new BinaryWriter(fstr);
inx.Offset = (int)fstr.Position;
byte[] bytes = File.ReadAllBytes(pt);
string extension = Path.GetExtension(pt);
if (extension != null && Encrypted(extension.Replace(".","")))
{
// encrypt
byte xorss = 0;
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] ^= Xor[xorss];
xorss++;
}
bwrite.Write(bytes);
}
else
{
//save without encryption
bwrite.Write(bytes);
// bwrite.Write
}
SgPack.Add(inx);
bwrite.Close();
fstr.Close();
pb.Value += 1;
System.Windows.Forms.Application.DoEvents();
}
//==========================================
// build res.000 (index)
//==========================================
FileStream fs = new FileStream(fileName + "res.000", FileMode.CreateNew);
BinaryWriter w = new BinaryWriter(fs);
byte xors = 0;
foreach (SgdataIndex pt in SgPack)
{
byte[] hashedfilename = Sfm.StringToBytes(pt.Hash);
int hashlenght = hashedfilename.Length;
int fileSize = (int)pt.Size;
int offset = pt.Offset;
byte[] data = new byte[8];
byte[] off = BitConverter.GetBytes(offset);
byte[] fz = BitConverter.GetBytes(fileSize);
data[0] = off[0];
data[1] = off[1];
data[2] = off[2];
data[3] = off[3];
data[4] = fz[0];
data[5] = fz[1];
data[6] = fz[2];
data[7] = fz[3];
hashlenght ^= Xor[xors];
xors++;
for (int i = 0; i < hashedfilename.Length; i++)
{
hashedfilename[i] ^= Xor[xors];
xors++;
}
for (int i = 0; i < 8; i++)
{
data[i] ^= Xor[xors];
xors++;
}
w.Write((byte)hashlenght);
w.Write(hashedfilename);
w.Write(data);
//Hashlänge(1 byte) -- hash(Hashlänge) -- data(8 Byte) {<------Offset----->}
// {..........Size---->}
}
w.Close();
fs.Close();
}
public static void Open(string res000File)
{
SgData.Clear();
try
{
FileStream fs = new FileStream(res000File, FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
uint fsl = (uint)fs.Length;
uint cp = 0;
byte xors = 0;
while (cp < fsl)
{
SgdataIndex sgIndex = new SgdataIndex();
byte size = br.ReadByte();
cp++;
size ^= Xor[xors];
xors++;
byte[] hash = br.ReadBytes(size);
for (int i = 0; i < size; i++)
{
hash[i] ^= Xor[xors];
xors++;
cp++;
}
byte[] data = br.ReadBytes(8);
for (int i = 0; i < 8; i++)
{
data[i] ^= Xor[xors];
xors++;
cp++;
}
sgIndex.Name = Fhash.DecodeFileName(Sfm.BytesToString(hash));
sgIndex.Hash = Sfm.BytesToString(hash);
sgIndex.Size = BitConverter.ToInt32(data, 4);
sgIndex.DataId = GetFileNumber(sgIndex.Hash);
sgIndex.Offset = BitConverter.ToInt32(data, 0);
SgData.Add(sgIndex);
}
fs.Close();
fs.Dispose();
}
catch (Exception ex)
{
System.Windows.Forms.MessageBox.Show(ex.Message, "Error", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}