private ForkData(byte[] bytes, int offset, string volumeName, uint blockSize)
{
VolumeName = volumeName;
LogicalSize = Helper.SwapEndianness(BitConverter.ToUInt64(bytes, offset));
ClumpSize = Helper.SwapEndianness(BitConverter.ToUInt32(bytes, offset + 0x08));
TotalBlocks = Helper.SwapEndianness(BitConverter.ToUInt32(bytes, offset + 0x0C));
Extents = ExtentDescriptor.GetInstances(bytes, offset + 0x10, volumeName, blockSize);
}
private ExtentsOverflowRecord(byte[] bytes, int offset, string volumeName, string fileName)
{
VolumeHeader volHeader = VolumeHeader.Get(volumeName);
VolumeName = volumeName;
FileName = fileName;
KeyLength = Helper.SwapEndianness(BitConverter.ToUInt16(bytes, offset + 0x00));
ForkType = (FORK_TYPE)bytes[offset + 0x02];
CatalogNodeId = Helper.SwapEndianness(BitConverter.ToUInt32(bytes, offset + 0x04));
RelativeStartBlock = Helper.SwapEndianness(BitConverter.ToUInt32(bytes, offset + 0x08));
Extents = ExtentDescriptor.GetInstances(bytes, offset + 0x0C, volumeName, volHeader.BlockSize);
}
internal static ExtentDescriptor[] GetInstances(byte[] bytes, int offset, string volumeName, uint blockSize)
{
List <ExtentDescriptor> extentList = new List <ExtentDescriptor>();
for (int i = 0; i < 0x08; i++)
{
ExtentDescriptor extent = Get(bytes, offset + (i * 0x08), volumeName, blockSize);
if (extent.BlockCount != 0)
{
extentList.Add(extent);
}
}
return(extentList.ToArray());
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public byte[] GetSlack()
{
List <byte> byteList = new List <byte>();
uint extentBlocks = 0;
foreach (ExtentDescriptor extent in Extents)
{
extentBlocks += extent.BlockCount;
byteList.AddRange(extent.GetContent());
}
if (TotalBlocks == extentBlocks)
{
ExtentDescriptor extent = Extents[Extents.Length - 1];
byte[] bytes = extent.GetContent();
return(null); //Helper.GetSubArray(bytes, , );
}
else
{
// Need to get some stuff from Extent Overflow File
Console.WriteLine("Portion of extents exist in Extent Overflow file");
return(null);
}
}
