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.ParseLong(match, TimeSpanGroupName, 0, out midiTimeSpan))
{
return(new ParsingResult(OutOfRange));
}
timeSpan = new MidiTimeSpan(midiTimeSpan);
return(ParsingResult.Parsed);
}
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.ParseLong(match, BarsGroupName, 0, out bars))
{
return(new ParsingResult(BarsIsOutOfRange));
}
long beats;
if (!ParsingUtilities.ParseLong(match, BeatsGroupName, 0, out beats))
{
return(new ParsingResult(BeatsIsOutOfRange));
}
long ticks;
if (!ParsingUtilities.ParseLong(match, TicksGroupName, 0, out ticks))
{
return(new ParsingResult(BeatsIsOutOfRange));
}
timeSpan = new BarBeatTimeSpan(bars, beats, ticks);
return(ParsingResult.Parsed);
}
internal static ParsingResult TryParse(string input, out MusicalTimeSpan timeSpan)
{
timeSpan = null;
if (string.IsNullOrWhiteSpace(input))
{
return(ParsingResult.EmptyInputString);
}
var match = ParsingUtilities.Match(input, Patterns);
if (match == null)
{
return(ParsingResult.NotMatched);
}
// Fraction
long numerator;
if (!ParsingUtilities.ParseLong(match, NumeratorGroupName, 1, out numerator))
{
return(new ParsingResult(NumeratorIsOutOfRange));
}
long denominator;
if (!ParsingUtilities.ParseLong(match, DenominatorGroupName, 1, out denominator))
{
return(new ParsingResult(DenominatorIsOutOfRange));
}
var fractionMnemonicGroup = match.Groups[FractionMnemonicGroupName];
if (fractionMnemonicGroup.Success)
{
var fractionDefinition = Fractions[fractionMnemonicGroup.Value];
numerator = fractionDefinition.Item1;
denominator = fractionDefinition.Item2;
}
// Tuplet
int tupletNotesCount;
if (!ParsingUtilities.ParseInt(match, TupletNotesCountGroupName, 1, out tupletNotesCount))
{
return(new ParsingResult(TupletNotesCountIsOutOfRange));
}
int tupletSpaceSize;
if (!ParsingUtilities.ParseInt(match, TupletSpaceSizeGroupName, 1, out tupletSpaceSize))
{
return(new ParsingResult(TupletSpaceSizeIsOutOfRange));
}
var tupletMnemonicGroup = match.Groups[TupletMnemonicGroupName];
if (tupletMnemonicGroup.Success)
{
var tupletDefinition = Tuplets[tupletMnemonicGroup.Value];
tupletNotesCount = tupletDefinition.Item1;
tupletSpaceSize = tupletDefinition.Item2;
}
// Dots
var dotsGroup = match.Groups[DotsGroupName];
var dots = dotsGroup.Success
? dotsGroup.Value.Length
: 0;
//
timeSpan = new MusicalTimeSpan(numerator, denominator).Dotted(dots).Tuplet(tupletNotesCount, tupletSpaceSize);
return(ParsingResult.Parsed);
}
