public void LinkSectorID(int sectorID, int newSectorID)
{
if (sectorID < 0)
{
throw new ArgumentOutOfRangeException("sectorID");
}
int SATSectorIndex = sectorID / SecIDCapacity;
int SectorIndex = sectorID % SecIDCapacity;
int SATSectorID = Document.MasterSectorAllocation.GetSATSectorID(SATSectorIndex);
Document.WriteInSector(SATSectorID, SectorIndex * 4, newSectorID);
}
public int AllocateSATSector()
{
int[] sids = new Int32[SecIDCapacity + 1];
for (int i = 0; i < sids.Length; i++)
{
sids[i] = SID.Free;
}
int secID = Document.AllocateNewSector(sids);
MasterSectorAllocationTable.Add(secID);
NumberOfSecIDs++;
int SATSectorIndex = NumberOfSecIDs - 1;
if (NumberOfSecIDs <= 109)
{
Document.Header.MasterSectorAllocationTable[SATSectorIndex] = secID;
Document.Write(76 + SATSectorIndex * 4, secID);
}
else
{
if (CurrentMSATSector == SID.EOC)
{
CurrentMSATSector = AllocateMSATSector();
Document.Header.FirstSectorIDofMasterSectorAllocationTable = CurrentMSATSector;
}
int index = (SATSectorIndex - 109) % SecIDCapacity;
Document.WriteInSector(CurrentMSATSector, index * 4, secID);
if (index == SecIDCapacity - 1)
{
int newMSATSector = AllocateMSATSector();
Document.WriteInSector(CurrentMSATSector, SecIDCapacity * 4, newMSATSector);
CurrentMSATSector = newMSATSector;
}
}
Document.SectorAllocation.LinkSectorID(secID, SID.SAT);
Document.Header.NumberOfSATSectors++;
return(secID);
}
public void Save()
{
if (ShortSectorAllocationTable.Count > 0)
{
if (Document.Header.FirstSectorIDofShortSectorAllocationTable == SID.EOC)
{
int SecIDCapacity = Document.SectorSize / 4;
int[] sids = new Int32[SecIDCapacity];
for (int i = 0; i < sids.Length; i++)
{
sids[i] = SID.Free;
}
Document.Header.FirstSectorIDofShortSectorAllocationTable = Document.AllocateDataSector();
Document.WriteInSector(Document.Header.FirstSectorIDofShortSectorAllocationTable, 0, sids);
}
MemoryStream satStream = new MemoryStream(ShortSectorAllocationTable.Count * 4);
CompoundDocument.WriteArrayOfInt32(new BinaryWriter(satStream), ShortSectorAllocationTable.ToArray());
Document.WriteStreamData(Document.Header.FirstSectorIDofShortSectorAllocationTable, satStream.ToArray());
}
}
