public HFSVolumeHeader(
bool isHFSX,
ushort version,
uint attributes,
uint lastMountedVersion,
uint journalInfoBlock,
DateTime createDate,
DateTime modifyDate,
DateTime backupDate,
DateTime checkedDate,
uint fileCount,
uint folderCount,
uint blockSize,
uint totalBlocks,
uint freeBlocks,
uint nextAllocation,
uint rsrcClumpSize,
uint dataClumpSize,
uint nextCatalogID,
uint writeCount,
ulong encodingsBitmap,
IReadOnlyList <uint> finderInfo,
HFSForkData allocationFile,
HFSForkData extentsFile,
HFSForkData catalogFile,
HFSForkData attributesFile,
HFSForkData startupFile)
{
IsHFSX = isHFSX;
Version = version;
Attributes = attributes;
LastMountedVersion = lastMountedVersion;
JournalInfoBlock = journalInfoBlock;
CreateDate = createDate;
ModifyDate = modifyDate;
BackupDate = backupDate;
CheckedDate = checkedDate;
FileCount = fileCount;
FolderCount = folderCount;
BlockSize = blockSize;
TotalBlocks = totalBlocks;
FreeBlocks = freeBlocks;
NextAllocation = nextAllocation;
RsrcClumpSize = rsrcClumpSize;
DataClumpSize = dataClumpSize;
NextCatalogID = nextCatalogID;
WriteCount = writeCount;
EncodingsBitmap = encodingsBitmap;
FinderInfo = finderInfo;
AllocationFile = allocationFile;
ExtentsFile = extentsFile;
CatalogFile = catalogFile;
AttributesFile = attributesFile;
StartupFile = startupFile;
}
public static bool TryRead(Stream stream, out HFSVolumeHeader?header)
{
header = null;
stream.Skip(1024); // reserved bytes
bool isHFSX;
ushort sig = ReadUInt16(stream);
if (sig == SignaturePlus)
{
isHFSX = false;
}
else if (sig == SignatureX)
{
isHFSX = true;
}
else
{
return(false);
}
ushort version = ReadUInt16(stream);
uint attributes = ReadUInt32(stream);
uint lastMountedVersion = ReadUInt32(stream);
uint journalInfoBlock = ReadUInt32(stream);
DateTime createDate = ReadDate(stream);
DateTime modifyDate = ReadDate(stream);
DateTime backupDate = ReadDate(stream);
DateTime checkedDate = ReadDate(stream);
uint fileCount = ReadUInt32(stream);
uint folderCount = ReadUInt32(stream);
uint blockSize = ReadUInt32(stream);
uint totalBlocks = ReadUInt32(stream);
uint freeBlocks = ReadUInt32(stream);
uint nextAllocation = ReadUInt32(stream);
uint rsrcClumpSize = ReadUInt32(stream);
uint dataClumpSize = ReadUInt32(stream);
uint nextCatalogID = ReadUInt32(stream);
uint writeCount = ReadUInt32(stream);
ulong encodingsBitmap = ReadUInt64(stream);
IReadOnlyList <uint> finderInfo = ReadFinderInfo(stream);
HFSForkData allocationFile = HFSForkData.Read(stream);
HFSForkData extentsFile = HFSForkData.Read(stream);
HFSForkData catalogFile = HFSForkData.Read(stream);
HFSForkData attributesFile = HFSForkData.Read(stream);
HFSForkData startupFile = HFSForkData.Read(stream);
header = new HFSVolumeHeader(
isHFSX,
version,
attributes,
lastMountedVersion,
journalInfoBlock,
createDate,
modifyDate,
backupDate,
checkedDate,
fileCount,
folderCount,
blockSize,
totalBlocks,
freeBlocks,
nextAllocation,
rsrcClumpSize,
dataClumpSize,
nextCatalogID,
writeCount,
encodingsBitmap,
finderInfo,
allocationFile,
extentsFile,
catalogFile,
attributesFile,
startupFile);
return(true);
}
