Class: Coltrane::Commands::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/coltrane/commands/command.rb

Constant Summary collapse

COMMON_OPTIONS = 
{
  on: [
    '--on <INSTRUMENT>',
    'Shows the notes on the given instrument/representation type. ' \
    'Can be text, piano, guitar, ukulele, bass.' \
    'You can also provide a custom guitar using the following format:' \
    '--on custom_guitar=D2-A3-D3-B3-C3'
  ],

  flavor: [
    '--flavor <FLAVOR>',
    'Chooses which additional information to display: ' \
    'marks, notes, intervals or degrees'
  ],

  voicings: [
    '--voicings <NUMBER>',
    'Number of voicings for guitar like instruments. Default is 6' \
    'provided they are separated by dashes'
  ]
}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.add_shared_option(option_name, mercenary_command) ⇒ Object 



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# File 'lib/coltrane/commands/command.rb', line 56

def add_shared_option(option_name, mercenary_command)
  mercenary_command.option(option_name, *COMMON_OPTIONS[option_name])
end

.inherited(base) ⇒ Object 



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# File 'lib/coltrane/commands/command.rb', line 51

def inherited(base)
  subclasses << base
  super(base)
end

.subclasses ⇒ Object 



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# File 'lib/coltrane/commands/command.rb', line 47

def subclasses
  @subclasses ||= []
end

Instance Method Details

#custom_guitar ⇒ Object 



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# File 'lib/coltrane/commands/command.rb', line 26

def custom_guitar
  on
  .to_s
  .split('=')
  .fetch(1)
  .split('-')
  .yield_self { |tuning| Representation::Guitar.new(tuning: tuning) }
end

#render ⇒ Object 



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# File 'lib/coltrane/commands/command.rb', line 35

def render
  puts "\n" + Renderers::TextRenderer.render(
    representation, **renderer_options
  )
end

#renderer_options ⇒ Object 



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# File 'lib/coltrane/commands/command.rb', line 41

def renderer_options
  {}
end