コード例 #1
0
        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);

            int padding         = (lengthOfFileIdentifier & 1) == 0 ? 1 : 0;
            int startSystemArea = lengthOfFileIdentifier + padding + 33;
            int lenSystemArea   = length - startSystemArea;

            if (lenSystemArea > 0)
            {
                record.SystemUseData = new byte[lenSystemArea];
                Array.Copy(src, offset + startSystemArea, record.SystemUseData, 0, lenSystemArea);
            }

            return(length);
        }
コード例 #2
0
        private DateTime ReadTimestamp(Timestamps timestamp, byte[] data, bool longForm, ref int pos)
        {
            DateTime result = DateTime.MinValue;

            if ((TimestampsPresent & timestamp) != 0)
            {
                if (longForm)
                {
                    result = IsoUtilities.ToDateTimeFromVolumeDescriptorTime(data, pos);
                    pos   += 17;
                }
                else
                {
                    result = IsoUtilities.ToUTCDateTimeFromDirectoryTime(data, pos);
                    pos   += 7;
                }
            }

            return(result);
        }