Module: Musicality::Parsing::Key::Key1

Defined in:
lib/musicality/notation/parsing/key_parsing.rb

Instance Method Summary collapse

Instance Method Details

#to_key ⇒ Object 



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# File 'lib/musicality/notation/parsing/key_parsing.rb', line 31

def to_key
  sem = pitch_letter.to_semitone
  modval = 0
  if !mod.empty?
    modval = case mod.text_value
    when "#" then 1
    when "b" then -1
    end
  end

  triad_type = if major_minor.text_value.include?("maj")
    Musicality::Key::MAJOR
  else
    Musicality::Key::MINOR
  end

  return Musicality::Key.new(sem + modval, triad_type: triad_type)
end