} /* OpenSipperDiskFile */
//**********************************************************************************************************************
// Will be called by 'SipperDiskFile' 'Close' method to let the controlling 'SipperDisk' objct know the file is close. *
//**********************************************************************************************************************
public void CloseSipperDiskFile(SipperDiskFile sdf)
{
BlockStart();
int x = 0;
int indexBeingUsed = -1;
for (x = 0; x < openedSipperFiles.Count; x++)
{
if (openedSipperFiles[x] == sdf)
{
indexBeingUsed = x;
break;
}
}
if (indexBeingUsed < 0)
{
// We are trying to close a SipperDiskFile that we don't know anything about.
BlockEnd();
throw new Exception("'SipperDisk'::'CloseSipperDiskFile' Trying to close file that is not supposed to be oppend.");
}
openedSipperFiles.RemoveAt(indexBeingUsed);
if (openedSipperFiles.Count == 0)
{
// Since no 'SipperDiskFile' objects are open can close the PhysicalDisk handle.
CloseHandleToPhysicalDisk();
}
BlockEnd();
} /* CloseSipperDiskFile */
public void Dispose()
{
if (openedSipperFiles != null)
{
// Close all SipperDiskFiles that are still opened.
while (openedSipperFiles.Count > 0)
{
SipperDiskFile sdf = openedSipperFiles[0];
sdf.Close(); //The close method will call 'CloseSipperDiskFile' which will remove from 'openedSipperFiles' list.
sdf.Dispose();
sdf = null;
}
}
BlockStart();
if (fs != null)
{
CloseHandleToPhysicalDisk();
}
if (mbr != null)
{
mbr.Dispose();
mbr = null;
}
BlockEnd();
sipperFiles = null;
} /* Dispose */
} /* Dispose */
public SipperDiskFile OpenSipperDiskFile(string _fileName)
{
BlockStart();
if (fs == null)
{
ReOpen(false);
}
SipperFileControlBlock fcb = sipperFiles.LookUpByName(_fileName);
if (fcb == null)
{
return(null);
}
SipperDiskFile sipperDiskFile = new SipperDiskFile(fcb, this);
openedSipperFiles.Add(sipperDiskFile);
BlockEnd();
return(sipperDiskFile);
} /* OpenSipperDiskFile */
} /* OpenSipperDiskFile */
public SipperDiskFile OpenSipperDiskFile(int fcbIndex)
{
BlockStart();
if (fs == null)
{
ReOpen(false);
}
if ((fs == null) || (mbr == null) || (sipperFiles == null))
{
BlockEnd();
return(null);
}
if (fcbIndex < 0)
{
BlockEnd();
return(null);
}
SipperFileControlBlock fcb = sipperFiles.LookUpByFcbIndex(fcbIndex);
if (fcb == null)
{
BlockEnd();
return(null);
}
SipperDiskFile sipperDiskFile = new SipperDiskFile(fcb, this);
openedSipperFiles.Add(sipperDiskFile);
BlockEnd();
return(sipperDiskFile);
} /* OpenSipperDiskFile */
