Class: WTFChord::Formatter

Inherits:
Object
  • Object
show all
Defined in:
lib/wtf_chord/formatter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, with_rates = false) ⇒ Formatter

Returns a new instance of Formatter.



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# File 'lib/wtf_chord/formatter.rb', line 7

def initialize(name, with_rates = false)
  @name = name
  @with_rates = with_rates
  require_formatter! unless formatter?
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/wtf_chord/formatter.rb', line 5

def name
  @name
end

Instance Method Details

#call(*fingerings) ⇒ Object Also known as: [] 



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# File 'lib/wtf_chord/formatter.rb', line 13

def call(*fingerings)
  formatter.with_rates(@with_rates) { |f| fingerings.map(&f) }
end

#formatter ⇒ Object 



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# File 'lib/wtf_chord/formatter.rb', line 23

def formatter
  Formatters.const_get(formatter_name)
end

#formatter? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wtf_chord/formatter.rb', line 27

def formatter?
  Formatters.const_defined?(formatter_name)
end

#formatter_name ⇒ Object 



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# File 'lib/wtf_chord/formatter.rb', line 31

def formatter_name
  @formatter_name ||= @name.gsub(/(?:^|_)([a-z\d]*)/i) { "#{$1.capitalize}" }.to_s.freeze
end

#require_formatter! ⇒ Object 



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# File 'lib/wtf_chord/formatter.rb', line 35

def require_formatter!
  require "wtf_chord/formatters/#{@name}"
end

#separator ⇒ Object 



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# File 'lib/wtf_chord/formatter.rb', line 19

def separator
  formatter.separator
end