public File(IsoContext context, DirectoryRecord dirEntry)
{
_context = context;
_dirEntry = dirEntry;
}
public static int ReadFrom(byte[] src, int offset, Encoding enc, out DirectoryRecord record)
{
int length = src[offset + 0];
record = new DirectoryRecord();
record.ExtendedAttributeRecordLength = src[offset + 1];
record.LocationOfExtent = IsoUtilities.ToUInt32FromBoth(src, offset + 2);
record.DataLength = IsoUtilities.ToUInt32FromBoth(src, offset + 10);
record.RecordingDateAndTime = IsoUtilities.ToUTCDateTimeFromDirectoryTime(src, offset + 18);
record.Flags = (FileFlags)src[offset + 25];
record.FileUnitSize = src[offset + 26];
record.InterleaveGapSize = src[offset + 27];
record.VolumeSequenceNumber = IsoUtilities.ToUInt16FromBoth(src, offset + 28);
byte lengthOfFileIdentifier = src[offset + 32];
record.FileIdentifier = IsoUtilities.ReadChars(src, offset + 33, lengthOfFileIdentifier, enc);
return length;
}
public CommonVolumeDescriptor(
VolumeDescriptorType type,
byte version,
uint volumeSpaceSize,
uint pathTableSize,
uint typeLPathTableLocation,
uint typeMPathTableLocation,
uint rootDirExtentLocation,
uint rootDirDataLength,
DateTime buildTime,
Encoding enc)
: base(type, version)
{
CharacterEncoding = enc;
SystemIdentifier = string.Empty;
VolumeIdentifier = string.Empty;
VolumeSpaceSize = volumeSpaceSize;
VolumeSetSize = 1;
VolumeSequenceNumber = 1;
LogicalBlockSize = IsoUtilities.SectorSize;
PathTableSize = pathTableSize;
TypeLPathTableLocation = typeLPathTableLocation;
////OptionalTypeLPathTableLocation = 0;
TypeMPathTableLocation = typeMPathTableLocation;
////OptionalTypeMPathTableLocation = 0;
RootDirectory = new DirectoryRecord();
RootDirectory.ExtendedAttributeRecordLength = 0;
RootDirectory.LocationOfExtent = rootDirExtentLocation;
RootDirectory.DataLength = rootDirDataLength;
RootDirectory.RecordingDateAndTime = buildTime;
RootDirectory.Flags = FileFlags.Directory;
RootDirectory.FileUnitSize = 0;
RootDirectory.InterleaveGapSize = 0;
RootDirectory.VolumeSequenceNumber = 1;
RootDirectory.FileIdentifier = "\0";
VolumeSetIdentifier = string.Empty;
PublisherIdentifier = string.Empty;
DataPreparerIdentifier = string.Empty;
ApplicationIdentifier = string.Empty;
CopyrightFileIdentifier = string.Empty;
AbstractFileIdentifier = string.Empty;
BibliographicFileIdentifier = string.Empty;
CreationDateAndTime = buildTime;
ModificationDateAndTime = buildTime;
ExpirationDateAndTime = DateTime.MinValue;
EffectiveDateAndTime = buildTime;
FileStructureVersion = 1; // V1
}
internal static bool IsSpecialDirectory(DirectoryRecord r)
{
return r.FileIdentifier == "\0" || r.FileIdentifier == "\x01";
}
