private void AddNote()
{
tone = tone.RaiseSemitones(accidentals, Key.Scale);
if (inChord)
{
chordTones.AddRange(tone.Tones());
}
else
{
int numerator = (durationNumerator == "") ? 1 : int.Parse(durationNumerator);
int denominator = (durationDenominator == "") ? 2 : int.Parse(durationDenominator);
notes.Add(new Note(tone, DefaultNoteLength * (float)numerator / denominator));
durationNumerator = "";
durationDenominator = "1";
}
accidentals = 0;
}
public Note(ISingleSound sound, double length, Articulation Articulation = Articulation.Staccato)
{
this.Sound = sound;
this.Length = length;
this.Articulation = Articulation;
}
public Measure Parse(string representation)
{
State state = State.GettingTone;
int index = 0;
while (index < representation.Length)
{
switch (state)
{
case State.GettingTone:
durationNumerator = "";
durationDenominator = "1";
if (representation[index] == 'z' || representation[index] == 'x')
{
tone = new Rest();
state = State.HasTone;
}
else if (char.IsLetter(representation[index]))
{
toneClass = new ToneClass(representation[index].ToString().ToUpper());
toneClass = Key.ToneClassMap(toneClass);
tone = new Tone(toneClass, char.IsLower(representation[index]) ? 1 : 0);
state = State.HasTone;
}
else if (representation[index] == '^')
{
accidentals++;
}
else if (representation[index] == '_')
{
accidentals--;
}
else if (representation[index] == '%')
{
state = State.Comment;
}
else if (representation[index] == '[')
{
inChord = true;
}
else if (representation[index] == '"')
{
state = State.Annotation;
}
break;
case State.HasTone:
if (char.IsDigit(representation[index]))
{
durationNumerator += representation[index];
}
else if (representation[index] == '/')
{
durationDenominator = "";
state = State.Denominator;
}
else if (char.IsLetter(representation[index]) || representation[index] == '^' || representation[index] == '_')
{
AddNote();
state = State.GettingTone;
continue;
}
else if (representation[index] == ',')
{
accidentals -= Key.Scale.ToneCount();
}
else if (representation[index] == '\'')
{
accidentals += Key.Scale.ToneCount();
}
else if (representation[index] == '%')
{
state = State.Comment;
}
else if (representation[index] == '[')
{
AddNote();
state = State.GettingTone;
continue;
}
else if (representation[index] == ']')
{
if (inChord)
{
AddNote();
tone = new Chord(chordTones);
chordTones = new List <Tone>();
inChord = false;
AddNote();
state = State.GettingTone;
}
}
else if (representation[index] == '"')
{
AddNote();
state = State.GettingTone;
continue;
}
break;
case State.Denominator:
if (char.IsDigit(representation[index]))
{
durationDenominator += representation[index];
}
else if (char.IsLetter(representation[index]) || representation[index] == '^' || representation[index] == '_')
{
AddNote();
state = State.GettingTone;
continue;
}
else if (representation[index] == '%')
{
state = State.Comment;
}
else if (representation[index] == '[')
{
AddNote();
state = State.GettingTone;
continue;
}
else if (representation[index] == ']')
{
state = State.HasTone;
continue;
}
break;
case State.Comment:
if (representation[index] == '\n')
{
state = State.GettingTone;
}
break;
case State.Annotation:
if (representation[index] == '"')
{
state = State.GettingTone;
}
break;
}
index++;
}
AddNote();
Measure measure = new Measure(notes);
notes = new List <Note>();
return(measure);
}
