/// <summary>
/// Find the converter functor from source to target
/// </summary>
/// <param name="source">Dimension to convert from</param>
/// <param name="target">Dimension to concert to</param>
/// <param name="power"></param>
/// <returns>A functor to convert from source into target</returns>
public static Func <double, double> From(IDimension source, IDistance target, int power)
{
var dispatcher = new VisitorDispatcher("Convert");
var result = dispatcher.Accept(source.GetType(), new DistanceConverter(), source, target, power);
return((Func <double, double>)result);
}
/// <summary>
/// Find the converter functor from source to target
/// </summary>
/// <param name="source">Dimension to convert from</param>
/// <param name="target">Dimension to concert to</param>
/// <param name="power"></param>
/// <returns>A functor to convert from source into target</returns>
public static Func<double, double> From(IDimension source, IDistance target, int power)
{
var dispatcher = new VisitorDispatcher("Convert");
var result = dispatcher.Accept(source.GetType(), new DistanceConverter(), source, target, power);
return (Func<double, double>)result;
}
/// <summary>
/// Convert a measure unit to Metric
/// </summary>
/// <typeparam name="TDistance"> Type of the measure </typeparam>
/// <param name="unit"> Instance of the measure </param>
/// <param name="dimension"> New Dimension to convert </param>
/// <returns> A new measure with the conversion </returns>
public static IUnit <IDistance> In <TDistance>(this IUnit <TDistance> unit, IDistance dimension)
where TDistance : IDistance
{
var dispatcher = new VisitorDispatcher();
var result = (IUnit <IDistance>)dispatcher.Accept(unit.Dimension.GetType(),
new DistanceConverterVisitor(),
unit.Quantity,
unit.Dimension,
dimension);
if (result == null)
{
var message = string.Format("I don't know how to convert {0} to metric", unit.Dimension.GetType());
throw new InvalidOperationException(message);
}
return(result);
}
