public string ToString(HourAngleFormat format)
{
string text = string.Empty;
int hours;
int minutes;
double doubleMinutes;
double seconds;
int increment;
switch (format)
{
case HourAngleFormat.DecimalHours:
text = CustomFormat.ToString(Resources.HourAngleInDecimalHours, _NumberDecimalDigitsForHours, Value);
break;
case HourAngleFormat.HoursDecimalMinutes:
increment = (Value >= 0.0 ? 1 : -1);
doubleMinutes = Math.Round((double)Minutes + (Seconds / 60.0), _NumberDecimalDigitsForHours);
if (Math.Abs(doubleMinutes) < 60.0)
{
hours = Hours;
}
else
{
doubleMinutes = 0.0;
hours = Hours + increment;
}
text = CustomFormat.ToString(Resources.HourAngleInHoursDecimalMinutes, _NumberDecimalDigitsForHours,
hours, doubleMinutes);
break;
case HourAngleFormat.HoursMinutesSeconds:
case HourAngleFormat.CadHoursMinutesSeconds:
case HourAngleFormat.CompactHoursMinutesSeconds:
increment = (Value >= 0.0 ? 1 : -1);
seconds = Math.Round(Seconds, format != HourAngleFormat.CompactHoursMinutesSeconds ? _NumberDecimalDigitsForSeconds
: HourAngle.NumberDecimalDigitsForCompactSeconds);
if (Math.Abs(seconds) < 60.0)
{
minutes = Minutes;
}
else
{
seconds = 0.0;
minutes = Minutes + increment;
}
if (Math.Abs(minutes) < 60)
{
hours = Hours;
}
else
{
minutes = 0;
hours = Hours + increment;
}
if (format == HourAngleFormat.HoursMinutesSeconds)
{
text = CustomFormat.ToString(Resources.HourAngleInHoursMinutesSeconds, _NumberDecimalDigitsForSeconds,
hours, minutes, seconds);
}
else if (format == HourAngleFormat.CompactHoursMinutesSeconds)
{
text = CustomFormat.ToString(Resources.HoursAngleInCompactHoursMinutesSeconds, _NumberDecimalDigitsForSeconds,
hours, minutes, seconds);
}
else
{
/* Because 'CAD' coordinates use a comma as the lat/long delimiter, a period must
* be used as the double point, hence the use of the InvariantCulture.
*/
text = CustomFormat.ToString(CultureInfo.InvariantCulture,
Resources.HourAngleInCadHoursMinutesSeconds, _NumberDecimalDigitsForSeconds,
hours, minutes, seconds);
}
break;
default:
Debug.Assert(format == HourAngleFormat.NotSpecified, "Unrecognised HourAngleFormat value - " + format.ToString());
text = CustomFormat.ToString(Resources.HourAngleWithNoFormat, _NumberDecimalDigitsForHours, Value);
break;
}
return(text);
}
public HourAngle(string hour)
{
/* All members must be set before calling out of the constructor so set dummy values
* so compiler is happy.
*/
_Value = 0.0;
_Hours = 0;
_Minutes = 0;
_Seconds = 0.0;
_Format = HourAngleFormat.NotSpecified;
_HasBeenSet = false;
/* The 'CAD' format is checked first against the InvariantCulture; it uses a comma as
* the lat/long delimiter, so a period must be used as the double point.
*/
foreach (Regex regex in _CadRegexes)
{
Match match = regex.Match(hour);
if (match.Success)
{
_Hours = System.Convert.ToInt32(match.Groups["Hrs"].Value, CultureInfo.InvariantCulture);
_Minutes = System.Convert.ToInt32(match.Groups["Mins"].Value, CultureInfo.InvariantCulture);
_Seconds = System.Convert.ToDouble(match.Groups["Secs"].Value, CultureInfo.InvariantCulture);
_Value = SetHoursFromHms();
_Format = HourAngleFormat.CadHoursMinutesSeconds;
_HasBeenSet = true;
break;
}
}
/* The remaining formats can be locale-specific, but the regex patterns have to be
* hardcoded with a period as the double point. So to keep things simple, we'll
* just replace the locale-specific separator with the invariant one. (Don't need
* to worry about grouping characters, etc, since the numbers shouldn't be that big.)
*/
hour = hour.Replace(CultureInfo.CurrentCulture.NumberFormat.CurrencyDecimalSeparator, ".");
if (!_HasBeenSet)
{
foreach (Regex regex in _HrsRegexes)
{
Match match = regex.Match(hour);
if (match.Success)
{
_Value = System.Convert.ToDouble(match.Groups["Hrs"].Value, CultureInfo.InvariantCulture);
SetHmsFromHours(_Value);
_Format = HourAngleFormat.DecimalHours;
_HasBeenSet = true;
break;
}
}
}
if (!_HasBeenSet)
{
foreach (Regex regex in _HdmRegexes)
{
Match match = regex.Match(hour);
if (match.Success)
{
double minutes = 0.0;
_Hours = System.Convert.ToInt32(match.Groups["Hrs"].Value, CultureInfo.InvariantCulture);
minutes = System.Convert.ToDouble(match.Groups["Mins"].Value, CultureInfo.InvariantCulture);
_Minutes = (int)Truncate(minutes);
_Seconds = (minutes - (double)Minutes) * 60.0;
_Value = SetHoursFromHms();
_Format = HourAngleFormat.HoursDecimalMinutes;
_HasBeenSet = true;
break;
}
}
}
if (!_HasBeenSet)
{
foreach (Regex regex in _HmsRegexes)
{
Match match = regex.Match(hour);
if (match.Success)
{
_Hours = System.Convert.ToInt32(match.Groups["Hrs"].Value, CultureInfo.InvariantCulture);
_Minutes = System.Convert.ToInt32(match.Groups["Mins"].Value, CultureInfo.InvariantCulture);
_Seconds = System.Convert.ToDouble(match.Groups["Secs"].Value, CultureInfo.InvariantCulture);
_Value = SetHoursFromHms();
_Format = HourAngleFormat.HoursMinutesSeconds;
_HasBeenSet = true;
break;
}
}
}
if (!_HasBeenSet)
{
throw new FormatException("Invalid hour format.");
}
}
