internal static ParsingResult TryParse(string input, out MidiTimeSpan timeSpan)
{
timeSpan = null;
if (string.IsNullOrWhiteSpace(input))
{
return(ParsingResult.EmptyInputString);
}
var match = ParsingUtilities.Match(input, Patterns);
if (match == null)
{
return(ParsingResult.NotMatched);
}
long midiTimeSpan;
if (!ParsingUtilities.ParseNonnegativeLong(match, TimeSpanGroupName, 0, out midiTimeSpan))
{
return(ParsingResult.Error(OutOfRange));
}
timeSpan = new MidiTimeSpan(midiTimeSpan);
return(ParsingResult.Parsed);
}
/// <summary>
/// Converts the string representation of a MIDI time span to its <see cref="MidiTimeSpan"/>
/// 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="MidiTimeSpan"/>
/// 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 MidiTimeSpan timeSpan)
{
return(MidiTimeSpanParser.TryParse(input, out timeSpan).Status == ParsingStatus.Parsed);
}
