/// <summary>
/// Returns collection of names of the current <see cref="Chord"/>.
/// </summary>
/// <returns>Collection of names of the current <see cref="Chord"/>.</returns>
public IReadOnlyCollection <string> GetNames()
{
if (_chordNames != null)
{
return(_chordNames);
}
var names = ChordsNamesTable.GetChordNames(NotesNames.ToArray());
return(_chordNames = new ReadOnlyCollection <string>(names));
}
internal static ParsingResult TryParse(string input, out Chord chord)
{
chord = null;
if (string.IsNullOrWhiteSpace(input))
return ParsingResult.EmptyInputString;
var match = ParsingUtilities.Match(input, Patterns, ignoreCase: false);
if (match == null)
return ParsingResult.NotMatched;
var rootNoteNameGroup = match.Groups[RootNoteNameGroupName];
NoteName rootNoteName;
var rootNoteNameParsingResult = NoteNameParser.TryParse(rootNoteNameGroup.Value, out rootNoteName);
if (rootNoteNameParsingResult.Status != ParsingStatus.Parsed)
return rootNoteNameParsingResult;
//
NoteName? bassNoteName = null;
var bassNoteNameGroup = match.Groups[BassNoteNameGroupName];
if (bassNoteNameGroup.Success)
{
NoteName actualBassNoteName;
var bassNoteNameParsingResult = NoteNameParser.TryParse(bassNoteNameGroup.Value, out actualBassNoteName);
if (bassNoteNameParsingResult.Status != ParsingStatus.Parsed)
return bassNoteNameParsingResult;
bassNoteName = actualBassNoteName;
}
var notesNames = ChordsNamesTable.GetChordNotesNames(rootNoteName, match.Groups[ChordCharacteristicsGroupName].Value, bassNoteName);
if (!notesNames.Any())
return ParsingResult.Error(ChordCharacteristicIsUnknown);
chord = new Chord(notesNames);
return ParsingResult.Parsed;
}
