private static void CalculateDifferencies(BarBeatTimeSpan timeSpan1,
BarBeatTimeSpan timeSpan2,
out long barsDifference,
out long beatsDifference,
out long ticksDifference)
{
barsDifference = timeSpan1.Bars - timeSpan2.Bars;
beatsDifference = timeSpan1.Beats - timeSpan2.Beats;
ticksDifference = timeSpan1.Ticks - timeSpan2.Ticks;
}
internal static ParsingResult TryParse(string input, out BarBeatTimeSpan timeSpan)
{
timeSpan = null;
if (string.IsNullOrWhiteSpace(input))
{
return(ParsingResult.EmptyInputString);
}
var match = ParsingUtilities.Match(input, Patterns);
if (match == null)
{
return(ParsingResult.NotMatched);
}
long bars;
if (!ParsingUtilities.ParseNonnegativeLong(match, BarsGroupName, 0, out bars))
{
return(ParsingResult.Error(BarsIsOutOfRange));
}
long beats;
if (!ParsingUtilities.ParseNonnegativeLong(match, BeatsGroupName, 0, out beats))
{
return(ParsingResult.Error(BeatsIsOutOfRange));
}
long ticks;
if (!ParsingUtilities.ParseNonnegativeLong(match, TicksGroupName, 0, out ticks))
{
return(ParsingResult.Error(TicksIsOutOfRange));
}
timeSpan = new BarBeatTimeSpan(bars, beats, ticks);
return(ParsingResult.Parsed);
}
/// <summary>
/// Converts the string representation of a bar/beat time span to its <see cref="BarBeatTimeSpan"/>
/// equivalent. A return value indicates whether the conversion succeeded.
/// </summary>
/// <param name="input">A string containing a time span to convert.</param>
/// <param name="timeSpan">When this method returns, contains the <see cref="BarBeatTimeSpan"/>
/// equivalent of the time span contained in <paramref name="input"/>, if the conversion succeeded, or
/// null if the conversion failed. The conversion fails if the <paramref name="input"/> is null or
/// <see cref="String.Empty"/>, is not of the correct format. This parameter is passed uninitialized;
/// any value originally supplied in result will be overwritten.</param>
/// <returns>true if <paramref name="input"/> was converted successfully; otherwise, false.</returns>
public static bool TryParse(string input, out BarBeatTimeSpan timeSpan)
{
return(BarBeatTimeSpanParser.TryParse(input, out timeSpan).Status == ParsingStatus.Parsed);
}
