Class: Gitara::Node::Stanza

Inherits:
Base
  • Object
show all
Defined in:
lib/gitara/node/stanza.rb

Instance Attribute Summary

Attributes inherited from Base

#$1

Instance Method Summary collapse

Methods inherited from Base

#add, #ancestor, #call_value, #children=, #chorded, #definition, #definition?, #definition_children, #definition_name, #definition_of?, #definitions, #descendants, #id, #id_as_word, #inspect, #name, #stanza_version, #value, #voiced_as

Instance Method Details

#bars ⇒ Object 



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# File 'lib/gitara/node/stanza.rb', line 4

def bars
  @bars ||= descendants(Node::Bar)
end

#heading_for_first_bar ⇒ Object 



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# File 'lib/gitara/node/stanza.rb', line 17

def heading_for_first_bar
  if bars[0].specified_duration
    %Q|r#{bars[0].specified_duration}^"#{name}"|
  else
    ts = ancestor(Node::Tab).time_signature
    if ts.generates_whole_note_bars?
      %Q|#{ts.rest_bar_value}^"#{name}"|
    else
      %Q|r#{ts.beat_unit}^"#{name}" | + ("r#{ts.beat_unit} " * (ts.beats_per_bar - 1)).strip
    end
  end
end

#heading_in_lilypond ⇒ Object 



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# File 'lib/gitara/node/stanza.rb', line 8

def heading_in_lilypond
  results = (
    [self.heading_for_first_bar] + 
    bars.drop(1).map(&:stanza_heading)
  )
  
  results.join(' ')
end