Module: Verbs::Conjugator

Extended by:
Conjugator
Included in:
Conjugator
Defined in:
lib/verbs/conjugator.rb

Defined Under Namespace

Classes: Conjugations

Instance Method Summary collapse

Instance Method Details

#conjugate(infinitive, options = {}) ⇒ Object

Using options given, determine the conjugation and the subject Return the subject, if there is one, and the proper conjugation Params:

  • infinitive, the given verb

  • options, the list of parameters to alter the conjugation



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# File 'lib/verbs/conjugator.rb', line 79

def conjugate(infinitive, options = {})
  infinitive = infinitive.dup if infinitive.is_a?(String)

  # set all options according to parameter, or the default
  tense = options[:tense] ||         :present    # present, past, future
  person = options[:person] ||       :third      # first, second, third
  plurality = options[:plurality] || :singular   # singular, plural
  diathesis = options[:diathesis] || :active     # active, passive
  mood = options[:mood] ||           :indicative # imperative, subjunctive
  aspect = options[:aspect] ||       default_aspect(options) # perfective, habitual, progressive, perfect, prospective

  check_for_improper_constructions(infinitive, tense, person, mood, diathesis) # find incompatabilities
  form = form_for(tense, aspect, diathesis)                                    # find form array based on tense and aspect

  # map form array to conjugation array, applying infinitive and options to the array
  conjugation = form.map { |e| resolve e, infinitive, tense, person, plurality, mood }.join(' ').strip

  if options[:subject]                   # When options includes a subject,
    actor = options.delete(:subject)     # remove from options and make subject humanized
    actor = subject(options).humanize if actor.is_a?(TrueClass)
  end

  "#{actor} #{conjugation}".strip
end

#conjugations ⇒ Object

Runs a block of code if given in a class instance else only class instance is created



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# File 'lib/verbs/conjugator.rb', line 66

def conjugations
  if block_given?
    yield Conjugations.instance
  else
    Conjugations.instance
  end
end

#subject(options) ⇒ Object

Finds the pronoun associated with the subject for the conjugation Returns the pronoun Params:

  • options, list of options given to determine conjugation



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# File 'lib/verbs/conjugator.rb', line 108

def subject(options)
  case [options[:person], options[:plurality]]
  when %i[first singular]
    'I'
  when %i[first plural]
    'we'
  when %i[second singular], %i[second plural]
    'you'
  when %i[third singular]
    'he'
  when %i[third plural]
    'they'
  end
end