private void InsertRest(int deltaTicks)
{
SymbolBuilder symbolBuilder = new SymbolBuilder();
symbolBuilder = AddLengthToSymbol(deltaTicks, symbolBuilder);
Symbol rest = symbolBuilder.Build();
composition.Tokens.Add(rest);
}
private void EndCurrentNote(MidiEvent evt)
{
if (currentSymbolBuilder == null)
{
return;
}
AddLengthToSymbol(evt.DeltaTicks, currentSymbolBuilder);
Symbol note = currentSymbolBuilder.Build();
composition.Tokens.Add(note);
currentSymbolBuilder = null;
}
public Token Convert(LilypondTokenEnumerator enumerator)
{
var input = enumerator.Current;
var match = regex.Match(input.TokenText);
if (match.Success)
{
SymbolBuilder builder = new SymbolBuilder();
if (int.TryParse(match.Groups[1].Value, out int denominator))
{
int dots = match.Groups[2].Length;
builder.WithLength(denominator, dots);
return(builder.Build());
}
else
{
throw new InvalidOperationException("Not a rest that can be converted");
}
}
else
{
throw new InvalidOperationException("Not a rest that can be converted");
}
}
public Token Convert(LilypondTokenEnumerator enumerator)
{
var input = enumerator.Current;
var match = noteRegex.Match(input.TokenText);
if (match.Success)
{
SymbolBuilder builder = new SymbolBuilder();
var tone = GetToneFromLetter(match.Groups[1].Value);
Accidental accidental = Accidental.None;
if (match.Groups[2].Success)
{
accidental = match.Groups[2].Value == "is" ? Accidental.Sharp : Accidental.Flat;
}
// determine octave
MoveToClosestOctaveOffset(tone);
previousNoteTone = tone;
if (match.Groups[3].Success)
{
UpdateOctaveOffset(match.Groups[3].Value);
}
// set pitch
builder.WithPitch(tone, accidental, octaveOffset);
// determine length
if (int.TryParse(match.Groups[4].Value, out int denominator))
{
int dots = match.Groups[5].Length;
builder.WithLength(denominator, dots);
}
return(builder.Build());
}
else
{
throw new InvalidOperationException("Not a note that can be read");
}
}
