public Velocity ConvertTo(string units)
{
var match = Regex.Match(units, @"^([a-zA-Z]+)\/([a-zA-Z]+)$");
if (!match.Success)
{
throw new Exception($"Cannot convert to illegal format: {units}");
}
var length = match.Groups[1].Value;
var time = match.Groups[2].Value;
return(ConvertTo(UnitDataCache.GetUnits <LengthUnits>(length), UnitDataCache.GetUnits <TimeUnits>(time)));
}
public static IUnit Parse(Type unitType, string measurement)
{
const string matchPattern = @"^([+-]?\s*(?:\d+\.?\d*|\d*\.\d+))(\D+)$";
var match = Regex.Match(measurement.Trim(), matchPattern);
if (!match.Success)
{
throw new InvalidUnitFormat(measurement);
}
var magnitude = double.Parse(match.Groups[1].Value.Replace(" ", ""));
var symbol = match.Groups[2].Value.Trim();
switch (unitType.Name)
{
case nameof(Length):
return(new Length(magnitude, UnitDataCache.GetUnits <LengthUnits>(symbol)));
case nameof(Time):
return(new Time(magnitude, UnitDataCache.GetUnits <TimeUnits>(symbol)));
case nameof(Mass):
return(new Mass(magnitude, UnitDataCache.GetUnits <MassUnits>(symbol)));
case nameof(Luminosity):
return(new Luminosity(magnitude, UnitDataCache.GetUnits <LuminosityUnits>(symbol)));
case nameof(Temperature):
return(new Temperature(magnitude, UnitDataCache.GetUnits <TemperatureUnits>(symbol)));
case nameof(Information):
return(new Information(magnitude, UnitDataCache.GetUnits <InformationUnits>(symbol)));
case nameof(Current):
return(new Current(magnitude, UnitDataCache.GetUnits <CurrentUnits>(symbol)));
case nameof(AmountOfSubstance):
return(new AmountOfSubstance(magnitude, UnitDataCache.GetUnits <AmountOfSubstanceUnits>(symbol)));
case nameof(Velocity):
var(lengthUnits, timeUnits) = Velocity.GetUnits(symbol);
return(new Velocity(magnitude, lengthUnits, timeUnits));
default:
throw new UnknownUnitType(unitType);
}
}
public virtual T ConvertTo(string unit) => ConvertTo(UnitDataCache.GetUnits <TUnits>(unit));