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 static List <DirectoryRecord> GetAllRecords(DirectoryRecord rec, List <DirectoryRecord> records = null)
{
if (records == null)
{
records = new List <DirectoryRecord>();
}
records.Add(rec);
foreach (var directoryRecord in rec.Records)
{
GetAllRecords(directoryRecord, records);
}
return(records);
}
public void Parse(FileStream fs)
{
Address = fs.Position;
byte[] pvd = new byte[0x800];
fs.Read(pvd, 0, 0x800);
Type = pvd[0];
var lbs = BitConverter.ToUInt16(pvd, 128);
fs.Seek(Address + 156, SeekOrigin.Begin);
RootDir = new DirectoryRecord();
RootDir.Parse(fs, this);
LogicBlockSize = lbs;
fs.Seek(Address + 0x800, SeekOrigin.Begin);
}
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);
}
}
}
