public bool Parse(FileStream fs, PVD pvd)
{
var len = fs.ReadByte();
if (len == 0)
{
return(false);
}
var extlen = fs.ReadByte();
fs.Seek(-1, SeekOrigin.Current);
byte[] ll = new byte[len];
ll[0] = (byte)len;
fs.Read(ll, 1, len - 1);
LBA = BitConverter.ToUInt32(ll, 2);
DataLength = BitConverter.ToUInt32(ll, 10);
DateTime = IsoLib.DiscUtils.IsoUtilities.ToUTCDateTimeFromDirectoryTime(ll, 18);
//DateTime = new DateTime(1900 + ll[18], ll[19], ll[20], ll[21], ll[22], ll[23]);
LengthName = ll[32];
Flags = ll[25];
var nm = ll.Skip(33).Take(LengthName).ToArray();
if (pvd.Type == 2)
{
Name = Encoding.BigEndianUnicode.GetString(nm);
}
else
{
Name = Encoding.UTF8.GetString(nm);
}
return(true);
}
public void ReadRecords(FileStream fs, PVD pvd)
{
var address = LBA * pvd.LogicBlockSize;
fs.Seek(address, SeekOrigin.Begin);
int last = (int)DataLength;
while (last > 0)
{
var rec = new DirectoryRecord();
rec.Parent = this;
var p0 = fs.Position;
if (!rec.Parse(fs, pvd))
{
var l = pvd.LogicBlockSize - p0 % pvd.LogicBlockSize;
if (l < 100)
{
continue;
}
break;
}
Records.Add(rec);
var p1 = fs.Position;
var len = p1 - p0;
last -= (int)len;
}
}
public void ReadFile(FileStream fs, PVD pvd)
{
var address = LBA * pvd.LogicBlockSize;
fs.Seek(address, SeekOrigin.Begin);
Data = new byte[DataLength];
fs.Read(Data, 0, (int)DataLength);
}
public byte[] GetFileData(FileStream fs, PVD pvd)
{
var address = LBA * pvd.LogicBlockSize;
fs.Seek(address, SeekOrigin.Begin);
var bb = new byte[DataLength];
fs.Read(bb, 0, (int)DataLength);
return(bb);
}
public void Parse(FileStream fs)
{
fs.Seek(0x8000, SeekOrigin.Begin);
List <PVD> list = new List <PVD>();
PVD p;
while (true)
{
p = new PVD();
p.Parse(fs);
if (p.Type == 0xff)
{
break;
}
list.Add(p);
}
DirectoryRecord.ReadRecursive(fs, list.Last().RootDir, list.Last());
Pvds = list.ToArray();
}
public static void ReadRecursive(FileStream fs, DirectoryRecord rec, PVD pvdd)
{
rec.ReadRecords(fs, pvdd);
foreach (var directoryRecord in rec.Records)
{
if (directoryRecord.LBA == rec.LBA)
{
continue;
}
if (rec.Parent != null && directoryRecord.LBA == rec.Parent.LBA)
{
continue;
}
if (directoryRecord.IsDirectory)
{
ReadRecursive(fs, directoryRecord, pvdd);
}
else
{
//directoryRecord.ReadFile(fs, pvdd);
}
}
}
