/* Create Recursive */
static MfsEntry CreateRecursive(MfsDisk mDisk, SafeFileHandle hDisk, UInt32 DirBucket, String pPath)
{
/* Sanity, if start with "/" skip */
String mPath = pPath;
if (mPath.StartsWith("/"))
mPath = mPath.Substring(1, mPath.Length - 1);
if (mPath.EndsWith("/"))
mPath = mPath.Substring(0, mPath.Length - 1);
/* Get token */
int iDex = mPath.IndexOf("/");
String LookFor = mPath.Substring(0, iDex == -1 ? mPath.Length : iDex);
/* EoP */
if (String.IsNullOrEmpty(LookFor)
|| iDex == -1)
{
/* List files */
UInt32 IteratorBucket = DirBucket;
UInt32 PrevItrBucket = 0;
int End = 0;
while (End == 0)
{
UInt64 Sector = IteratorBucket * mDisk.BucketSize;
/* Gogo */
Byte[] fBuffer = ReadDisk(mDisk, hDisk, Sector, mDisk.BucketSize);
for (int i = 0; i < (mDisk.BucketSize * mDisk.BytesPerSector); i++)
{
/* EoC? */
if (fBuffer[i] == 0)
{
End = 1;
break;
}
/* Woah, parse */
int Len = 0;
while (fBuffer[i + 76 + Len] != 0)
Len++;
String Name = System.Text.Encoding.UTF8.GetString(fBuffer, i + 76, Len);
UInt16 Flags = BitConverter.ToUInt16(fBuffer, i + 2);
if (Name.ToLower() == LookFor.ToLower())
return null;
/* Next */
i += 1023;
}
/* Sanity */
if (End == 1)
break;
/* Get next bucket */
UInt32 DirBucketLength = 0;
PrevItrBucket = IteratorBucket;
if (End == 0)
IteratorBucket = GetNextBucket(mDisk, hDisk, IteratorBucket, out DirBucketLength);
/* End of list? */
if (IteratorBucket == 0xFFFFFFFF)
End = 1;
}
/* We must reach this point */
MfsEntry nEntry = new MfsEntry();
nEntry.DirBucket = IteratorBucket == 0xFFFFFFFF ? PrevItrBucket : IteratorBucket;
nEntry.DirIndex = 0;
/* Done */
return nEntry;
}
else
{
/* Find LookFor in DirBucket */
UInt32 IteratorBucket = DirBucket;
int End = 0;
while (End == 0)
{
UInt64 Sector = IteratorBucket * mDisk.BucketSize;
/* Gogo */
Byte[] fBuffer = ReadDisk(mDisk, hDisk, Sector, mDisk.BucketSize);
for (int i = 0; i < (mDisk.BucketSize * mDisk.BytesPerSector); i++)
{
/* EoC? */
if (fBuffer[i] == 0)
{
End = 1;
break;
}
/* Woah, parse */
int Len = 0;
while (fBuffer[i + 76 + Len] != 0)
Len++;
String Name = System.Text.Encoding.UTF8.GetString(fBuffer, i + 76, Len);
UInt16 Flags = BitConverter.ToUInt16(fBuffer, i + 2);
if (Name.ToLower() == LookFor.ToLower())
{
/* More sanity */
if (!((MfsEntryFlags)Flags).HasFlag(MfsEntryFlags.MFS_DIRECTORY))
{
Console.WriteLine(LookFor + " is not a directory");
return null;
}
/* Match */
MfsEntry nEntry = new MfsEntry();
nEntry.Name = Name;
nEntry.Size = BitConverter.ToUInt64(fBuffer, i + 60);
nEntry.AllocatedSize = BitConverter.ToUInt64(fBuffer, i + 68);
nEntry.Bucket = BitConverter.ToUInt32(fBuffer, i + 4);
nEntry.BucketLength = BitConverter.ToUInt32(fBuffer, i + 8);
nEntry.DirBucket = IteratorBucket;
nEntry.DirIndex = (uint)i;
/* Sanity */
if (nEntry.Bucket == 0xFFFFFFFF)
{
Byte[] Mbr = ReadDisk(mDisk, hDisk, 0, 1);
/* Find MB Ptr */
UInt64 MbSector = BitConverter.ToUInt64(Mbr, 28);
UInt64 MbMirrorSector = BitConverter.ToUInt64(Mbr, 36);
/* Find Root Ptr in MB */
Byte[] Mb = ReadDisk(mDisk, hDisk, MbSector, 1);
UInt32 FreeBucket = BitConverter.ToUInt32(Mb, 8);
/* Allocate */
nEntry.Bucket = FreeBucket;
UInt32 InitialBucketSize = 0;
UInt32 NextFree = AllocateBucket(mDisk, hDisk, FreeBucket, 1, out InitialBucketSize);
/* Update Mb */
Mb[8] = (Byte)(NextFree & 0xFF);
Mb[9] = (Byte)((NextFree >> 8) & 0xFF);
Mb[10] = (Byte)((NextFree >> 16) & 0xFF);
Mb[11] = (Byte)((NextFree >> 24) & 0xFF);
/* Write Mb */
WriteDisk(mDisk, hDisk, MbSector, Mb);
WriteDisk(mDisk, hDisk, MbMirrorSector, Mb);
/* Update Dir */
fBuffer[i + 4] = (Byte)(nEntry.Bucket & 0xFF);
fBuffer[i + 5] = (Byte)((nEntry.Bucket >> 8) & 0xFF);
fBuffer[i + 6] = (Byte)((nEntry.Bucket >> 16) & 0xFF);
fBuffer[i + 7] = (Byte)((nEntry.Bucket >> 24) & 0xFF);
fBuffer[i + 8] = 0x01;
fBuffer[i + 9] = 0x00;
fBuffer[i + 10] = 0x00;
fBuffer[i + 11] = 0x00;
WriteDisk(mDisk, hDisk, Sector, fBuffer);
/* Wipe bucket */
Byte[] Wipe = new Byte[mDisk.BucketSize * mDisk.BytesPerSector];
for (int g = 0; g < Wipe.Length; g++)
Wipe[g] = 0;
WriteDisk(mDisk, hDisk, (nEntry.Bucket * mDisk.BucketSize), Wipe);
}
/* Done */
return CreateRecursive(mDisk, hDisk, nEntry.Bucket, mPath.Substring(LookFor.Length));
}
/* Next */
i += 1023;
}
/* Get next bucket */
UInt32 DirBucketLength = 0;
if (End == 0)
IteratorBucket = GetNextBucket(mDisk, hDisk, IteratorBucket, out DirBucketLength);
/* CAN not be end of list? */
if (IteratorBucket == 0xFFFFFFFF)
End = 1;
}
}
return null;
}
/* Recursive List */
static MfsEntry ListRecursive(MfsDisk mDisk, SafeFileHandle hDisk, UInt32 DirBucket, String pPath)
{
/* Sanity, if start with "/" skip */
String mPath = pPath;
if (mPath.StartsWith("/"))
mPath = mPath.Substring(1, mPath.Length - 1);
/* Get token */
int iDex = mPath.IndexOf("/");
String LookFor = mPath.Substring(0, iDex == -1 ? mPath.Length : iDex);
/* EoP */
if (String.IsNullOrEmpty(LookFor)
|| LookFor.Contains("."))
{
/* List files */
UInt32 IteratorBucket = DirBucket;
int End = 0;
while (End == 0)
{
UInt64 Sector = IteratorBucket * mDisk.BucketSize;
/* Gogo */
Byte[] fBuffer = ReadDisk(mDisk, hDisk, Sector, mDisk.BucketSize);
for (int i = 0; i < (mDisk.BucketSize * mDisk.BytesPerSector); i++)
{
/* EoC? */
if (fBuffer[i] == 0)
{
End = 1;
break;
}
/* Woah, parse */
int Len = 0;
while (fBuffer[i + 76 + Len] != 0)
Len++;
String Name = System.Text.Encoding.UTF8.GetString(fBuffer, i + 76, Len);
UInt16 Flags = BitConverter.ToUInt16(fBuffer, i + 2);
if (LookFor.Contains(".")
&& Name.ToLower() == LookFor.ToLower())
{
/* Match */
MfsEntry nEntry = new MfsEntry();
nEntry.Name = Name;
nEntry.Size = BitConverter.ToUInt64(fBuffer, i + 60);
nEntry.AllocatedSize = BitConverter.ToUInt64(fBuffer, i + 68);
nEntry.Bucket = BitConverter.ToUInt32(fBuffer, i + 4);
nEntry.BucketLength = BitConverter.ToUInt32(fBuffer, i + 8);
nEntry.DirBucket = IteratorBucket;
nEntry.DirIndex = (uint)i;
/* Done */
return nEntry;
}
else
{
if (((MfsEntryFlags)Flags).HasFlag(MfsEntryFlags.MFS_DIRECTORY))
Console.WriteLine("Dir: " + Name);
else
Console.WriteLine("File: " + Name + " (" + BitConverter.ToUInt64(fBuffer, i + 60).ToString() + " Bytes)");
}
/* Next */
i += 1023;
}
/* Get next bucket */
UInt32 DirBuckLength = 0;
if (End == 0)
IteratorBucket = GetNextBucket(mDisk, hDisk, IteratorBucket, out DirBuckLength);
/* End of list? */
if (IteratorBucket == 0xFFFFFFFF)
End = 1;
}
/* Done */
return null;
}
else
{
/* Find LookFor in DirBucket */
UInt32 IteratorBucket = DirBucket;
int End = 0;
while (End == 0)
{
UInt64 Sector = IteratorBucket * mDisk.BucketSize;
/* Gogo */
Byte[] fBuffer = ReadDisk(mDisk, hDisk, Sector, mDisk.BucketSize);
for (int i = 0; i < (mDisk.BucketSize * mDisk.BytesPerSector); i++)
{
/* EoC? */
if (fBuffer[i] == 0)
{
End = 1;
break;
}
/* Woah, parse */
int Len = 0;
while (fBuffer[i + 76 + Len] != 0)
Len++;
String Name = System.Text.Encoding.UTF8.GetString(fBuffer, i + 76, Len);
UInt16 Flags = BitConverter.ToUInt16(fBuffer, i + 2);
if (Name.ToLower() == LookFor.ToLower())
{
/* More sanity */
if (!((MfsEntryFlags)Flags).HasFlag(MfsEntryFlags.MFS_DIRECTORY))
{
Console.WriteLine(LookFor + " is not a directory");
return null;
}
/* Match */
MfsEntry nEntry = new MfsEntry();
nEntry.Name = Name;
nEntry.Size = BitConverter.ToUInt64(fBuffer, i + 60);
nEntry.AllocatedSize = BitConverter.ToUInt64(fBuffer, i + 68);
nEntry.Bucket = BitConverter.ToUInt32(fBuffer, i + 4);
nEntry.BucketLength = BitConverter.ToUInt32(fBuffer, i + 8);
nEntry.DirBucket = IteratorBucket;
nEntry.DirIndex = (uint)i;
/* Sanity */
if (nEntry.Bucket == 0xFFFFFFFF)
return null;
/* Done */
return ListRecursive(mDisk, hDisk, nEntry.Bucket, mPath.Substring(LookFor.Length));
}
/* Next */
i += 1023;
}
/* Get next bucket */
UInt32 DirBuckLength = 0;
if (End == 0)
IteratorBucket = GetNextBucket(mDisk, hDisk, IteratorBucket, out DirBuckLength);
/* End of list? */
if (IteratorBucket == 0xFFFFFFFF)
End = 1;
}
}
return null;
}
