void ParseChord()
{
EnsureVoice();
CheckForLineBreak();
index += 1;
var notes = new List <Note>();
float noteDurationModifier = 1.0f;
do
{
if (SkipWhiteSpace())
{
throw new ParseException($"Unterminated chord at {lineNum}, {index}");
}
if (!Elements.IsStartOfNoteStream(currentLine[index]))
{
throw new ParseException($"Invalid character in chord at {lineNum}, {index}");
}
notes.Add(ReadBaseNote());
//only the duration modifier for the first chord will have impact on its overall duration
float durationModifier = ReadDurationModifier();
if (notes.Count == 1)
{
noteDurationModifier = durationModifier;
}
if (index == currentLine.Length)
{
throw new ParseException($"Unterminated chord at {lineNum}, {index}");
}
} while (currentLine[index] != ']');
index += 1;
if (notes.Count == 0)
{
throw new ParseException($"Encountered empty chord at {lineNum}, {index}");
}
var chord = Chord.FromNotes(notes);
float chordDurationModifier = ReadDurationModifier();
// spec states that length modifiers inside the chord are multiplied by outside
float noteDuration = ParserUtil.lengthDurations[unitNoteLength] * (noteDurationModifier * chordDurationModifier);
if (!ParserUtil.ParseDuration(noteDuration, out Length chordLength, out int dotCount))
{
throw new ParseException($"Invalid Note duration at {lineNum}, {index}");
}
chord.length = chordLength;
chord.dotCount = dotCount;
UpdateBeam(chord);
voice.items.Add(chord);
SetDecorationsForItem(chord);
}
