Class: String

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

Constant Summary collapse

SPANISH_PLURALIZER_ACUTES = 
{
  'a' => 'á',
  'e' => 'é',
  'i' => 'í',
  'o' => 'ó',
  'u' => 'ú'
}

Instance Method Summary collapse

Instance Method Details

#pluralize_spanish ⇒ Object 



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# File 'lib/spanish_pluralizer.rb', line 31

def pluralize_spanish
  #orden por probabilidad de ocurrencia para optimizar
  case self
  #caja => cajas
  #puente => puentes
  #papi => papis
  #mono => monos
  #río => ríos
  #palabru => palabrus
  #sofá => sofás
  #palabré => palabrés
  #palabró => palabrós
  when /.*[aeiouáéó]$/ then self + 's'
  when /(?<pre>.*)(?<last_vowel>.)(?<ending>[ns])$/
    if $~[:last_vowel].spanish_pluralizer_is_acute?
      new_str = self
      #aguda con tilde => grave sin tilde, a menos que el tilde se mantenga por existir hiato
      new_str[-2] = new_str[-2].spanish_pluralizer_unacute unless new_str[-3..-1].match(/(a|e|o)(í|ú)/)
      new_str + 'es'
    elsif $~[:ending] == 's'
      #análisis => análisis
      self
    else
      #imagen => imágenes
      #palebren => palébrenes
      #origen => orígenes
      #orden => órdenes
      #resumen => resúmenes
      ending = $~[:last_vowel] + 'nes'
      $~[:pre].sub(/(a|e|i|o|u)(?=[^aeiou]*$)/, &:spanish_pluralizer_acute) + ending
    end
  #arroz => arroces
  when /.*z$/ then self[0..-2] + 'ces'
  #delantal => delantales
  #mantel => manteles
  #mandril => mandriles
  #tambor => tambores
  #gandul => gandules
  #maní => maníes
  #menú => menúes
  #rey => reyes
  #fax => faxes
  #árbol => árboles
  #laúd => laúdes
  else
   self + 'es'
  end
end

#spanish_pluralizer_acute ⇒ Object 



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# File 'lib/spanish_pluralizer.rb', line 19

def spanish_pluralizer_acute
  SPANISH_PLURALIZER_ACUTES.fetch(self, self)
end

#spanish_pluralizer_is_acute? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spanish_pluralizer.rb', line 27

def spanish_pluralizer_is_acute?
  SPANISH_PLURALIZER_ACUTES.values.include? self
end

#spanish_pluralizer_unacute ⇒ Object 



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# File 'lib/spanish_pluralizer.rb', line 23

def spanish_pluralizer_unacute
  SPANISH_PLURALIZER_ACUTES.invert.fetch(self, self)
end