public HFSPlus(absImageStream fileSet, GPTScheme.entry partition) : base(fileSet, partition)
{
this.blockSize = 4096; // default block size
this.partitionNo = partition.partitionNo;
this.path = fileSet.bf.F.Name + "\\" + partition.name;
byte[] rawHeader = new byte[512];
ais.Seek(this.volumeStart + 1024, SeekOrigin.Begin);
ais.Read(rawHeader, 0, 512);
if (rawHeader[0] == 0x48 && rawHeader[1] == 0x2B)
{
volHead = getVolumeHeader(rawHeader);
}
long volEnd = this.volumeStart + (partition.partLength * ais.sectorSize) + ais.sectorSize;
this.totalSize = partition.partLength * ais.sectorSize;
ais.Seek(volEnd - 1024, SeekOrigin.Begin);
ais.Read(rawHeader, 0, 512);
if (rawHeader[0] == 0x48 && rawHeader[1] == 0x2B)
{
backupVolHead = getVolumeHeader(rawHeader);
}
}
public absVolume(absImageStream fileSet, GPTScheme.entry partition)
{
GPTScheme.entry partEntry = partition;
ais = fileSet;
blockSize = 512;
volumeStart = (long)partition.partStartLBA * ais.sectorSize;
volumeLength = (long)partition.partLength * ais.sectorSize;
}
public partitionType findPartitionType(GPTScheme.entry entry)
{
partitionType entryType = partitionType.unknown;
byte[] HFSsigbytes = new byte[2];
i.Seek(entry.partStartLBA * i.sectorSize + 1024, SeekOrigin.Begin);
i.Read(HFSsigbytes, 0, 2);
string HFSsig = System.Text.Encoding.UTF8.GetString(HFSsigbytes);
if (HFSsig == "H+")
{
entryType = partitionType.HFSPlus;
}
else if (HFSsig == "HX")
{
entryType = partitionType.HFSPlusCS;
}
return(entryType);
}
private TreeNode getVolumeTree(GPTScheme.entry partition, GPTScheme.partitionType type, HFSPlusCatalogFolder folderID)
{
TreeNode tn = new TreeNode();
try
{
if (type == GPTScheme.partitionType.HFSPlus)
{
HFSPlus hfsp = new HFSPlus(this.i, partition);
tn = getHFSPTree(hfsp, folderID);
}
}
catch (OutOfMemoryException)
{
return(tn);
throw new OutOfMemoryException("The list view has been truncated as there are too many items to fit in system memory.\r\n\r\n"
+ "Try viewing a sub directory instead.");
}
return(tn);
}
private TreeNode getVolumeTree(GPTScheme.entry partition, GPTScheme.partitionType type)
{
TreeNode tn = new TreeNode();
if (type == GPTScheme.partitionType.HFSPlus)
{
HFSPlus hfsp = new HFSPlus(i, partition);
volumeStream hfsp_vs = new volumeStream(hfsp);
HFSPlusFile rawCatalog = new HFSPlusFile(hfsp.volHead.catalogFile, forkStream.forkType.data);
HFSPlusFile rawAttributes = new HFSPlusFile(hfsp.volHead.attributesFile, forkStream.forkType.data);
HFSPlusFile rawExtents = new HFSPlusFile(hfsp.volHead.extentsFile, forkStream.forkType.data);
extentsOverflowFile extentsOverflow = new extentsOverflowFile(rawExtents, hfsp_vs);
catalogFile catalog = new catalogFile(rawCatalog, hfsp_vs);
attributesFile attributes = new attributesFile(rawAttributes, hfsp_vs);
tn = hfsp.getRootDirectoryContents(catalog, extentsOverflow, attributes);
tn.Tag = hfsp.volHead;
}
return(tn);
}
