public DateWrapper(AsciiDateRecord dateRecord)
{
AsciiDateRecord = dateRecord;
byte year = (byte)(Convert.ToInt32(IsoAlgorithm.ByteArrayToString(dateRecord.Year)) - 1900);
byte month = Convert.ToByte(IsoAlgorithm.ByteArrayToString(dateRecord.Month));
byte dayOfMonth = Convert.ToByte(IsoAlgorithm.ByteArrayToString(dateRecord.DayOfMonth));
byte hour = Convert.ToByte(IsoAlgorithm.ByteArrayToString(dateRecord.Hour));
byte minute = Convert.ToByte(IsoAlgorithm.ByteArrayToString(dateRecord.Minute));
byte second = Convert.ToByte(IsoAlgorithm.ByteArrayToString(dateRecord.Second));
int millisecond = Convert.ToInt32(IsoAlgorithm.ByteArrayToString(dateRecord.HundredthsOfSecond)) * 10;
SetBinaryDateRecord(year, month, dayOfMonth, hour, minute, second);
m_date = new DateTime(1900 + year, month, dayOfMonth, hour, minute, second, millisecond);
}
private void SetVolumeDescriptor(string systemId, string volumeId, uint volumeSpaceSize, uint pathTableSize,
uint typeLPathTable, uint typeMPathTable, DirectoryRecordWrapper rootDir, DateTime creationDate, DateTime modificationDate, sbyte timeZone)
{
byte[] lSystemId;
byte[] lVolumeId;
if (VolumeDescriptorType == VolumeType.Primary)
{
lSystemId = IsoAlgorithm.StringToByteArray(systemId, IsoAlgorithm.SystemIdLength);
lVolumeId = IsoAlgorithm.StringToByteArray(volumeId, IsoAlgorithm.VolumeIdLength);
}
else if (VolumeDescriptorType == VolumeType.Suplementary)
{
lSystemId = IsoAlgorithm.AsciiToUnicode(systemId, IsoAlgorithm.SystemIdLength);
lVolumeId = IsoAlgorithm.AsciiToUnicode(volumeId, IsoAlgorithm.VolumeIdLength);
}
else
{
if (m_volumeDescriptor == null)
{
m_volumeDescriptor = new VolumeDescriptor();
}
m_volumeDescriptor.VolumeDescType = (byte)m_volumeDescriptorType;
return;
}
ulong lVolumeSpaceSize = IsoAlgorithm.BothEndian(volumeSpaceSize);
ulong lPathTableSize = IsoAlgorithm.BothEndian(pathTableSize);
// typeLPathTable remains unchanged, but typeMPathTable has to change byte order.
uint lTypeMPathTable = IsoAlgorithm.ChangeEndian(typeMPathTable);
DateWrapper lCreationDate = new DateWrapper(creationDate, timeZone);
DateWrapper lModificationDate = new DateWrapper(modificationDate, timeZone);
DateWrapper bufferDate = new DateWrapper(IsoAlgorithm.NoDate);
SetVolumeDescriptor(lSystemId, lVolumeId, lVolumeSpaceSize, lPathTableSize, typeLPathTable, lTypeMPathTable,
rootDir.Record, lCreationDate.AsciiDateRecord, lModificationDate.AsciiDateRecord,
bufferDate.AsciiDateRecord, bufferDate.AsciiDateRecord);
}
private void SetDirectoryRecord(UInt32 extentLocation, UInt32 dataLength, DateTime date, sbyte timeZone, bool isDirectory, string name)
{
m_date = new DateWrapper(date);
byte fileFlags = (isDirectory) ? (byte)2 : (byte)0;
byte[] fileIdentifier;
if (name == ".")
{
fileIdentifier = new byte[1] {
0
};
}
else if (name == "..")
{
fileIdentifier = new byte[1] {
1
};
}
else
{
if (isDirectory)
{
fileIdentifier = IsoAlgorithm.StringToByteArray(name);
}
else
{
fileIdentifier = IsoAlgorithm.StringToByteArray(name + ";1");
}
}
this.SetDirectoryRecord(
IsoAlgorithm.BothEndian(extentLocation),
IsoAlgorithm.BothEndian(dataLength),
m_date.BinaryDateRecord,
timeZone,
fileFlags,
fileIdentifier
);
}
public void SetPathTableRecord(uint extentLocation, ushort parentNumber, string name)
{
if (m_endian == Endian.BigEndian)
{
extentLocation = IsoAlgorithm.ChangeEndian(extentLocation);
parentNumber = IsoAlgorithm.ChangeEndian(parentNumber);
}
byte[] identifier;
if (name != ".")
{
identifier = IsoAlgorithm.StringToByteArray(name);
}
else
{
// If this is the root dir, then the identifier is 0.
identifier = new byte[1] {
0
};
}
SetPathTableRecord(extentLocation, parentNumber, identifier);
}
private void SetAsciiDateRecord(int year, int month, int dayOfMonth, int hour, int minute, int second, int hundredthsOfSecond, sbyte timeZone)
{
if (AsciiDateRecord == null)
{
AsciiDateRecord = new AsciiDateRecord();
}
string sYear = string.Format("{0:D4}", year % 10000);
string sMonth = string.Format("{0:D2}", month);
string sDay = string.Format("{0:D2}", dayOfMonth);
string sHour = string.Format("{0:D2}", hour);
string sMinute = string.Format("{0:D2}", minute);
string sSecond = string.Format("{0:D2}", second);
string sHundredths = string.Format("{0:D2}", hundredthsOfSecond);
AsciiDateRecord.Year = IsoAlgorithm.StringToByteArray(sYear);
AsciiDateRecord.Month = IsoAlgorithm.StringToByteArray(sMonth);
AsciiDateRecord.DayOfMonth = IsoAlgorithm.StringToByteArray(sDay);
AsciiDateRecord.Hour = IsoAlgorithm.StringToByteArray(sHour);
AsciiDateRecord.Minute = IsoAlgorithm.StringToByteArray(sMinute);
AsciiDateRecord.Second = IsoAlgorithm.StringToByteArray(sSecond);
AsciiDateRecord.HundredthsOfSecond = IsoAlgorithm.StringToByteArray(sHundredths);
AsciiDateRecord.TimeZone = timeZone;
}
