private object BytesToObject()
{
Debug.WriteLineIf(Marshaler.marshalSwitch.Enabled, "DateTimeMarshaler.BytesToObject()");
int days = (bytes[0] << 16) | (bytes[1] << 8) | bytes[2];
int hour = bytes[3];
int minute = bytes[4] >> 2;
int second = ((bytes[4] & 0x03) << 4) | (bytes[5] >> 4);
long fraction = ((bytes[5] & 0x0f) << 16) | (bytes[6] << 8) | bytes[7];
DateTimeType type = (DateTimeType)(bytes[8] >> 5);
int tz_offset_minutes = ((bytes[8] & 0x03) << 8) | bytes[9];
if ((bytes[8] & 0x04) != 0)
{
tz_offset_minutes |= (-1 & ~0x03ff);
}
Debug.WriteLineIf(Marshaler.marshalSwitch.Enabled, "type: " + type);
if (type == DateTimeType.DT_TYPE_TIME)
{
VirtuosoTimeSpan ts = new VirtuosoTimeSpan(0, hour, minute, second, fraction);
Debug.WriteLineIf(Marshaler.marshalSwitch.Enabled, "TimeSpan: " + ts);
return(ts);
}
#if ADONET3
else if (type == DateTimeType.DT_TYPE_DATETIME)
{
int year, month, day_of_month;
GetDate(days, out year, out month, out day_of_month);
TimeSpan tz_offset = new TimeSpan(0, tz_offset_minutes, 0);
VirtuosoDateTimeOffset dt = new VirtuosoDateTimeOffset(year, month, day_of_month, hour, minute, second, fraction, tz_offset);
dt = dt.AddMinutes(tz_offset_minutes);
Debug.WriteLineIf(Marshaler.marshalSwitch.Enabled, "DateTime: " + dt);
return(dt);
}
else if (type == DateTimeType.DT_TYPE_DATE)
{
int year, month, day_of_month;
GetDate(days, out year, out month, out day_of_month);
VirtuosoDateTime dt = new VirtuosoDateTime(year, month, day_of_month, hour, minute, second, fraction);
Debug.WriteLineIf(Marshaler.marshalSwitch.Enabled, "DateTime: " + dt);
return(dt);
}
#else
else if (type == DateTimeType.DT_TYPE_DATETIME || type == DateTimeType.DT_TYPE_DATE)
{
int year, month, day_of_month;
GetDate(days, out year, out month, out day_of_month);
VirtuosoDateTime dt = new VirtuosoDateTime(year, month, day_of_month, hour, minute, second, fraction);
dt = dt.AddMinutes(tz_offset_minutes);
Debug.WriteLineIf(Marshaler.marshalSwitch.Enabled, "DateTime: " + dt);
return(dt);
}
#endif
else
{
throw new InvalidCastException();
}
}
private object BytesToObject ()
{
Debug.WriteLineIf (Marshaler.marshalSwitch.Enabled, "DateTimeMarshaler.BytesToObject()");
int days = (bytes[0] << 16) | (bytes[1] << 8) | bytes[2];
int hour = bytes[3];
int minute = bytes[4] >> 2;
int second = ((bytes[4] & 0x03) << 4) | (bytes[5] >> 4);
long fraction = ((bytes[5] & 0x0f) << 16) | (bytes[6] << 8) | bytes[7];
DateTimeType type = (DateTimeType) (bytes[8] >> 5);
int tz_offset_minutes = ((bytes[8] & 0x03) << 8) | bytes[9];
if ((bytes[8] & 0x04) != 0)
tz_offset_minutes |= (-1 & ~0x03ff);
Debug.WriteLineIf (Marshaler.marshalSwitch.Enabled, "type: " + type);
if (type == DateTimeType.DT_TYPE_TIME)
{
VirtuosoTimeSpan ts = new VirtuosoTimeSpan (0, hour, minute, second, fraction);
Debug.WriteLineIf (Marshaler.marshalSwitch.Enabled, "TimeSpan: " + ts);
return ts;
}
#if ADONET3
else if (type == DateTimeType.DT_TYPE_DATETIME)
{
int year, month, day_of_month;
GetDate (days, out year, out month, out day_of_month);
TimeSpan tz_offset = new TimeSpan (0, tz_offset_minutes, 0);
VirtuosoDateTimeOffset dt = new VirtuosoDateTimeOffset (year, month, day_of_month, hour, minute, second, fraction, tz_offset);
dt = dt.AddMinutes(tz_offset_minutes);
Debug.WriteLineIf (Marshaler.marshalSwitch.Enabled, "DateTime: " + dt);
return dt;
}
else if (type == DateTimeType.DT_TYPE_DATE)
{
int year, month, day_of_month;
GetDate (days, out year, out month, out day_of_month);
VirtuosoDateTime dt = new VirtuosoDateTime (year, month, day_of_month, hour, minute, second, fraction);
Debug.WriteLineIf (Marshaler.marshalSwitch.Enabled, "DateTime: " + dt);
return dt;
}
#else
else if (type == DateTimeType.DT_TYPE_DATETIME || type == DateTimeType.DT_TYPE_DATE)
{
int year, month, day_of_month;
GetDate (days, out year, out month, out day_of_month);
VirtuosoDateTime dt = new VirtuosoDateTime (year, month, day_of_month, hour, minute, second, fraction);
dt = dt.AddMinutes(tz_offset_minutes);
Debug.WriteLineIf (Marshaler.marshalSwitch.Enabled, "DateTime: " + dt);
return dt;
}
#endif
else
throw new InvalidCastException ();
}
private void ObjectToBytes(Object value, DateTimeType type)
{
Debug.WriteLineIf(Marshaler.marshalSwitch.Enabled, "DateTimeMarshaler.ObjectToBytes(" + value + ", " + type + ")");
int days, hour, minute, second, fraction, tz_offset_minutes;
if (value is DateTime)
{
DateTime dt = (DateTime)value;
TimeZone tz = TimeZone.CurrentTimeZone;
TimeSpan tz_offset = tz.GetUtcOffset(dt);
tz_offset_minutes = (int)(tz_offset.Hours * 60) + tz_offset.Minutes;
dt -= tz_offset;
int year = dt.Year;
int month = dt.Month;
int day_of_month = dt.Day;
days = GetDays(year, month, day_of_month);
if (type == DateTimeType.DT_TYPE_DATETIME)
{
hour = dt.Hour;
minute = dt.Minute;
second = dt.Second;
fraction = (int)(dt.Ticks % TimeSpan.TicksPerSecond / 10L); // dt.Millisecond * Values.MicrosPerMilliSec;
}
else if (type == DateTimeType.DT_TYPE_DATE)
{
hour = minute = second = fraction = 0;
}
else
{
throw new InvalidCastException();
}
}
else if (value is TimeSpan)
{
if (type != DateTimeType.DT_TYPE_TIME)
{
throw new InvalidCastException();
}
days = Values.DAY_ZERO;
tz_offset_minutes = 0;
TimeSpan ts = (TimeSpan)value;
hour = ts.Hours;
minute = ts.Minutes;
second = ts.Seconds;
fraction = (int)(ts.Ticks % TimeSpan.TicksPerSecond / 10L); //ts.Milliseconds * Values.MicrosPerMilliSec;
}
else if (value is VirtuosoDateTime)
{
VirtuosoDateTime dt = (VirtuosoDateTime)value;
TimeZone tz = TimeZone.CurrentTimeZone;
TimeSpan tz_offset = tz.GetUtcOffset(dt.Value);
tz_offset_minutes = (int)(tz_offset.Hours * 60) + tz_offset.Minutes;
long ticks = dt.Ticks - tz_offset.Ticks;
dt = new VirtuosoDateTime(ticks);
int year = dt.Year;
int month = dt.Month;
int day_of_month = dt.Day;
days = GetDays(year, month, day_of_month);
if (type == DateTimeType.DT_TYPE_DATETIME)
{
hour = dt.Hour;
minute = dt.Minute;
second = dt.Second;
fraction = (int)dt.Microsecond;
}
else if (type == DateTimeType.DT_TYPE_DATE)
{
hour = minute = second = fraction = 0;
}
else
{
throw new InvalidCastException();
}
}
#if ADONET3
else if (value is VirtuosoDateTimeOffset)
{
VirtuosoDateTimeOffset dt = (VirtuosoDateTimeOffset)value;
TimeSpan tz_offset = dt.Offset;
tz_offset_minutes = (int)(tz_offset.Hours * 60) + tz_offset.Minutes;
long ticks = dt.Ticks - tz_offset.Ticks;
dt = new VirtuosoDateTimeOffset(ticks, new TimeSpan(0));
int year = dt.Year;
int month = dt.Month;
int day_of_month = dt.Day;
days = GetDays(year, month, day_of_month);
if (type == DateTimeType.DT_TYPE_DATETIME)
{
hour = dt.Hour;
minute = dt.Minute;
second = dt.Second;
fraction = (int)dt.Microsecond;
}
else if (type == DateTimeType.DT_TYPE_DATE)
{
hour = minute = second = fraction = 0;
}
else
{
throw new InvalidCastException();
}
}
#endif
else if (value is VirtuosoTimeSpan)
{
if (type != DateTimeType.DT_TYPE_TIME)
{
throw new InvalidCastException();
}
days = Values.DAY_ZERO;
tz_offset_minutes = 0;
VirtuosoTimeSpan ts = (VirtuosoTimeSpan)value;
hour = ts.Hours;
minute = ts.Minutes;
second = ts.Seconds;
fraction = (int)ts.Microseconds;
}
else
{
throw new InvalidCastException();
}
if (bytes == null)
{
bytes = new byte[10];
}
bytes[0] = (byte)(days >> 16);
bytes[1] = (byte)(days >> 8);
bytes[2] = (byte)days;
bytes[3] = (byte)hour;
bytes[4] = (byte)((minute << 2) | (second >> 4));
bytes[5] = (byte)((second << 4) | (fraction >> 16));
bytes[6] = (byte)(fraction >> 8);
bytes[7] = (byte)fraction;
bytes[8] = (byte)(((tz_offset_minutes >> 8) & 0x07) | ((int)type << 5));
bytes[9] = (byte)tz_offset_minutes;
}
