Class: Lydown::Translation::Ripple::Note

Inherits:
Root
  • Object
show all
Defined in:
lib/lydown/translation/ripple/nodes.rb

Defined Under Namespace

Classes: Articulation, Duration, Expression, Grace, Head

Instance Method Summary collapse

Methods inherited from Root

#_translate, #check_line_break, #source_line

Instance Method Details

#translate(stream, opts) ⇒ Object 



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# File 'lib/lydown/translation/ripple/nodes.rb', line 48

def translate(stream, opts)
  check_line_break(stream, opts)
  note = {expressions: []}
  _translate(self, note, opts)
  expressions = note[:expressions].join
  expressions << ' ' unless expressions.empty?
  
  unless opts[:first_note] || note[:head] =~ /^[rs]/
    octave = Lydown::Rendering::Octaves.absolute_octave(
      note[:head], opts[:relative_start_octave] || 'c'
    )
    if note[:head] =~ /[',]+$/
      note[:head].gsub!(/[',]+/, octave)
    else
      note[:head] << octave
    end
    opts[:first_note] = note[:head]
  end
  
  if opts[:post_macro_value]
    note[:duration] ||= opts[:post_macro_value]
    opts[:post_macro_value] = nil
  end
  
  if note[:duration] && note[:grace]
    note[:duration] += note[:grace]
  end

  stream << "%s%s%s" % [
    note[:duration],
    note[:head],
    expressions
  ]
end