public static IEnumerable <RhythmicDuration> Parse(params int[] durations)
{
return(durations.Select(i =>
{
var denominatorAsPowerOfTwo = UsefulMath.Log2(i);
return new RhythmicDuration(denominatorAsPowerOfTwo);
}).ToArray());
}
public static bool TryParse(string s, out RhythmicDuration duration)
{
int val;
if (!int.TryParse(s, out val))
{
duration = default(RhythmicDuration);
return(false);
}
var denominatorAsPowerOfTwo = UsefulMath.Log2(val);
duration = new RhythmicDuration(denominatorAsPowerOfTwo);
return(true);
}
/// <summary>
/// Parses RhythmicDuration from a string
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static RhythmicDuration Parse(string s)
{
var numberOfDots = s.ToCharArray().Count(c => c == '.');
int denominator;
if (!int.TryParse(s.Replace(".", ""), out denominator))
{
throw new Exception("Could not parse string. Unrecognized duration.");
}
var denominatorAsPowerOfTwo = UsefulMath.Log2(denominator);
return(new RhythmicDuration(denominatorAsPowerOfTwo, numberOfDots));
}