Class: Chordpro::Chord

Inherits:
Struct
  • Object
show all
Defined in:
lib/chordpro/chord.rb

Constant Summary collapse

SUBSTITUTIONS = 
{
  "b" => "♭",
  "#" => "♯",
  "aug" => "+",
  "dim" => "°",
  "2" => "²",
  "4" => "⁴",
  "5" => "⁵",
  "6" => "⁶",
  "7" => "⁷",
  "9" => "⁹",
  "sus" => "ˢᵘˢ"
}
REGEX = 
/(#{SUBSTITUTIONS.keys.join('|')})/

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#name ⇒ Object

Returns the value of attribute name

Returns:

  • (Object) —

    the current value of name



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# File 'lib/chordpro/chord.rb', line 2

def name
  @name
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/chordpro/chord.rb', line 23

def accept(visitor)
  visitor.respond_to?(:chord) ? visitor.chord(self) : self
end

#to_s ⇒ Object 



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# File 'lib/chordpro/chord.rb', line 19

def to_s
  name.gsub(REGEX) { |match| SUBSTITUTIONS[match] }
end