Module: Fonemas

Defined in:
lib/fonemas.rb,
lib/fonemas/version.rb

Constant Summary collapse

VERSION = 
'0.7.9'

Class Method Summary collapse

Class Method Details

._isTonica(word, i) ⇒ Object 



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# File 'lib/fonemas.rb', line 149

def self._isTonica(word,i)
  return false if isConsonante(word,i)
  #falta considerar las palabras que poseen acento pero no tilde
  tildes = %w(á é í ó ú ã ä ë)
  w = word.join
  #puts "isTonica? #{w}: #{i}"
  return true if w.size == 1


  if tildes.include? word[i]
    return true
  else
    g = silabar(w)
    hh = g.split("-")

    p = calcularPosicionSilabas(g)

    if hh.size == 1 and w.size > 4 and w.include? 'h' and w[0] != 'h'
      #caso johan
      p = w.index('h')
      if i < p
        return true
      else
        return false
      end
    end

    #puts hh.size
    if w =~ /[áéíóúãäë]/
      #acento ya existe en otra silaba
      return false
    else
      #puts es.visualize(w)
      if hh.size == 1
        #puts "hh size 1"
        #puts "lastVocal: #{lastVocal(w,w.size)} == #{word[i]}"
        if lastVocal(w,w.size) == word[i]
          return true
        else
          return false
        end
        #monosilabos
      elsif hh.size == 2
          #agudas, se acentuan en n,s o vocal
          #puts "#{word[i]} #{i}<#{p[0]} - #{lastVocal(w,p[0])}"
          if w =~ /[nsaeiou]$/
            #termina en n s y vocal y no tiene tilde
            #por lo tanto es grave
          #  puts "#{lastVocal(w,p[0])} == #{word[i]} #{word[i].class.name}"
            if i < p[0] and lastVocal(w,p[0]) == word[i]
              return true
            else
              return false
            end
          else
            if i < p[0]
              return false
            else
              return lastVocal(w,w.size) == word[i]
            end
          end
      elsif hh.size >= 3
        #puts hh.join("-")
        #puts "hhsize3 i: #{i}, p:#{p}"
        if i >= p[p.size-1]
          if w =~ /[nsaeiou]$/
            return false
          else
            return true
          end
        elsif i > p[p.size-2] and i <= p[p.size-1] and w =~ /[nsaeiou]$/
          return true
        else
          return false
        end
      end
    end



    return false
  end
end

.abreviacion(word) ⇒ Object 



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# File 'lib/fonemas.rb', line 369

def self.abreviacion(word)
  return "hertz" if word == 'hz'
  return "kilo hertz" if word == 'khz'
  return nil
end

.anormalize(t) ⇒ Object 



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# File 'lib/fonemas.rb', line 711

def self.anormalize(t)
  #puts "pre normalize: #{t}"
  if t.class.name == 'Array'
    for i in t
      anormalize(i)
    end
  else
    #puts "found #{t}"
    @output << t
  end

end

.calcularPosicionSilabas(silabada) ⇒ Object 



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# File 'lib/fonemas.rb', line 122

def self.calcularPosicionSilabas(silabada)
  #puts "calcular posicion #{silabada}."
  output = []
  text = silabada
  while(!text.index("-").nil?)
    i = text.index("-")
    text = text.slice(0,i) + text.slice(i+1,text.length)
    output << i
  end
  return output
end

.clean(text) ⇒ Object 



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# File 'lib/fonemas.rb', line 11

def self.clean(text)
  s = text.gsub(/,/,' ')
  s = s.gsub(/\s+/,' ')
  s = s.chomp.strip
  s = downcase(s)
  return s
end

.coda(trozo) ⇒ Object 



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# File 'lib/fonemas.rb', line 96

def self.coda(trozo)
  return 0 if trozo.nil?
  #puts "coda: #{trozo}"
  l = trozo.length
  if l == 0
    return 0
  elsif l == 1 and isConsonante(trozo)
    return 1
  elsif l > 1 and isInseparables(trozo[0,2])
    return 0
  elsif l > 1 and isConsonante(trozo,0) and isVocal(trozo,1)
    return 0
  elsif l > 2 and isConsonante(trozo,0) and isConsonante(trozo,1) and isVocal(trozo,2)
    return 1
  elsif l > 3 and isConsonante(trozo,0) and isInseparables(trozo[1,2]) and isVocal(trozo[3])
    return 1
  elsif l > 3 and isConsonante(trozo,0) and isConsonante(trozo,1) and isConsonante(trozo,2) and isVocal(trozo,3)
    return 2
  elsif l > 3 and isConsonante(trozo,0) and isConsonante(trozo,1) and isConsonante(trozo,2) and isConsonante(trozo,3)
    return 2
  else
    return 0
  end
end

.downcase(text) ⇒ Object 



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

def self.downcase(text)
  UnicodeUtils.downcase(text)
end

.entreVocales(word, i) ⇒ Object 



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# File 'lib/fonemas.rb', line 242

def self.entreVocales(word,i)
  if i == 0 or word.size - 1 == i
    return false
  else
    return (isVocal(word,i-1) and isVocal(word,i+1))
  end
end

.entreVocalyConsonante(word, i) ⇒ Object 



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# File 'lib/fonemas.rb', line 250

def self.entreVocalyConsonante(word,i)
  return ((isVocal(word,i-1) and !isVocal(word,i+1)) or (isVocal(word,i+1) and !isVocal(word,i-1)))

end

.extranjeras(word) ⇒ Object 



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# File 'lib/fonemas.rb', line 375

def self.extranjeras(word)
  return ['o k ee i'] if word == 'ok'
  return nil
end

.fonemaLetra(letra) ⇒ Object 



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# File 'lib/fonemas.rb', line 329

def self.fonemaLetra(letra)
  #cuando la palabra solo tiene una letra se usa esta pronunciación
  case letra
    when 'a','á' then ['aa']
    when 'b' then ['b ee']
    when 'c' then ['s ee']
    when 'd' then ['d ee']
    when 'e','é' then ['ee']
    when 'f' then ['ee f ee']
    when 'g' then ['g ee']
    when 'h' then ['aa ch e']
    when 'i','í' then ['ii']
    when 'j' then ['j oo t a']
    when 'k' then ['k aa']
    when 'l' then ['ee l e']
    when 'm' then ['ee m e']
    when 'n' then ['ee n e']
    when 'ñ' then ['ee nh e']
    when 'o','ó' then ['oo']
    when 'p' then ['p ee']
    when 'q' then ['k uu']
    when 'r' then ['ee rr ee','ee r ee']
    when 's' then ['ee s e']
    when 't' then ['t ee']
    when 'u','ú' then ['uu']
    when 'v' then ['b ee','uu b e']
    when 'w' then ['d o b l e b ee','d o b l e uu b e']
    when 'x' then ['ee k i s']
    when 'y' then ['ii']
    when 'z' then ['s ee t a']
    else
      raise "error, no conozco pronunciación de #{letra}"
  end
end

.fonemas(word) ⇒ Object 



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# File 'lib/fonemas.rb', line 384

def self.fonemas(word)
  if word.include? ' '
    output = []
    for i in word.split(" ")
      output << Fonemas.fonemas(i)[0]
    end
    return [ output.join(" ") ]
  end
  return self.fonemas(abreviacion(word)) unless abreviacion(word).nil?
  return self.nombres(word) unless self.nombres(word).nil?
  return self.extranjeras(word) unless self.extranjeras(word).nil?
  word = word.gsub(/'/,'')

  word = limpiarVocalesDuplicadas(word)

  if word.size == 1
    return fonemaLetra(word)
  end
  if word.include?('_')
    output = []
    for a in word.split('_')
      if a.size > 0
        output << Fonemas.fonemas(a)
      end
    end
    return [output.join(" ")]
  end
  word = separar(word)
  fonema = []
  for i in 0..(word.length-1)
    letra = word[i]
    case letra
      when 'a','á','ä','ã' then
        if isTonica(word,i) and word[i+1] == 'y' and word[i+2] == 'l'
          fonema << 'ee'
        elsif isTonica(word,i)
          fonema << 'aa'
        else
          fonema << 'a'
        end
      when 'b','v' then
        if isVocal(word,i-1) and (word[i+1] == 'b' or word[i+1] == 'v')
          fonema << ['b','']
        elsif i == 0 and isVocal(word,i+1)
          if word[i+1] == 'u' and isDiptongo(word,i+1,i+2)
            fonema << ['b','g']
          else
            fonema << ['b']
          end
        elsif word[i+1] == 'u' and isDiptongo(word,i+1,i+2)
          if entreVocales(word,i)
            fonema << ['b','g','']
          else
            fonema << ['b','g']
          end
        elsif isFricativa(word,i-1)
          fonema << 'b'
        elsif isFinal(word,i)
          fonema << 'b'
        elsif entreVocales(word,i)
          fonema << ['b','']
        else
          fonema << 'b'
        end
      when 'c' then
        if word[i+1] == 'e' or word[i+1] == 'i' or word[i+1] == 'í' or word[i+1] == 'é'
          fonema << 's'
        else
          fonema << 'k'
        end
      when 'ch' then
        if entreVocales(word,i)
          #fonema << ['ch','sh','tch','j']
          fonema << 'ch'
        else
          fonema << 'ch'
          #fonema << ['ch','sh','tch']
        end
      when 'd' then
        if i == 0 and isVocal(word,i+1)
          fonema << ['d']
        elsif entreVocales(word,i) or i == word.size-1
          fonema << ['d','']
        elsif entreVocalyConsonante(word,i)
          fonema << ['d']
        else
          fonema << 'd'
        end
      when 'e','ë' then
        if word[i-1] == 'n' and word[i-2] == 'o' and word[i-3] == 'h' and word[i-4] == 'p'
          fonema << ''
        else
          if isTonica(word,i)
            fonema << 'ee'
          else
            fonema << 'e'
          end
        end
      when 'é' then
        fonema << 'ee'
      when 'f' then
        fonema << 'f'
      when 'g' then
        if word[i+1] == 'u' and i == 0 and isTonica(word,i+2)
          #nada

        elsif word[i+1] == 'e' or word[i+1] == 'i'
          fonema << 'j'
        else
          if !entreVocales(word,i) and word[i-1] != 'n'
            fonema << 'g'
          else
            fonema << 'g'
          end
        end
      when '-' then
        if i == 0 or i == word.size - 1
          #nada
        else
          raise "no se como pronunciar - en #{word}"
        end
      when 'h' then
        if word[i+1] == 'u' and isDiptongo(word,i+1,i+2)
          fonema << ['','g']
        elsif i > 0 and word[i-1] == 'o' and word[i+1] == 'a'
          fonema << 'j'
        end
        #nada
      when 'i','í' then
        if word[i+1] == 'p' and word[i+2] == 'h'
          fonema << [['aa','i']]
        else
          if isTonica(word,i)
            fonema << 'ii'
          else
            fonema << 'i'
          end
        end
      when 'j' then
        if i == 0 and word[i+1] == 'o' and (word[i+2] == 'ã' or word[i+2] == 'h')
          fonema << 'll'
        else
          fonema << 'j'
        end
      when 'k' then
        fonema << 'k'
      when 'l' then
        fonema << 'l'
      when 'll' then
        if i == word.length - 1
          fonema << 'l'
        else
          fonema << ['ll','l']
        end
        #fonema << ['ll','lli','i']

      when 'm' then
        fonema << 'm'
      when 'n' then
        fonema << 'n'
      when 'ñ'  then
        fonema << 'nh'
      when 'o' then
        if word[i-1] == 'h' and word[i-2] == 'p'
          fonema << 'o'
        else
          if isTonica(word,i)
            fonema << 'oo'
          else
            fonema << 'o'
          end
        end
      when 'ó' then
        fonema << 'oo'
      when 'p' then
        if word[i+1] == 'h'
          fonema << 'f'
        else
          fonema << 'p'
        end
      when 'q' then
        fonema << 'k'
      when 'r' then
        if i == 0
          fonema << 'rr'
        else
          fonema << 'r'
        end
      when 'rr' then
        fonema << 'rr'
      when 's' then
        if word[i-1] == 'd' or i == word.size-1
        #if word[i-1] == 'r' or word[i-1] == 'd' or i == word.size-1
          #fonema << ['s','','h']
          #fonema << ['s','']
          fonema << 's'
        elsif entreVocalyConsonante(word,i)
          #fonema << ['s','h']
          fonema << 's'
        elsif word[i-1] == 'b' and word[i+1] == 't'
          #fonema << ['s','h']
          fonema << 's'
        elsif word[i-1] == 'b'
          fonema << ['s','']
        else
          fonema << 's'
        end
      when 't' then
        fonema << 't'
      when 'ü' then
        fonema << 'u'
      when 'u','ú' then
        if word[i-1] == 'q'
          #nada
        elsif word[i-1] == 'g' and i == 1 and isTonica(word,i+1)
          if word[i+1] == 'e'
            fonema << 'g'
          else
            fonema << [['g','u']]
          end
        elsif isTonica(word,i)
            fonema << 'uu'
        else
            fonema << 'u'
        end
      when 'w' then
        if word[i-1] == 'l' or i == 0
          fonema << [['g','u']]
        #elsif i == 0 and word[i+1] == 'e'
        #  fonema << ['u']
        #elsif i == 0
        #  fonema << ['b']
        elsif word[i-1] == 'o'
          fonema << 'u'
        elsif word[i+1] == 'i'
          fonema << 'u'
        else #if entreVocales(word,i)
          fonema << [['g','u']]
#          else
#            fonema << 'Gu'
        end
      when 'x' then
        if i == 0 and word[i+1] == 'a'
          fonema << 'j'
        elsif i== 0 and word[i+1] == 'i'
          fonema << 's'
        else
          fonema << [['k','s']]
        end
        #fonema << ['ks','k','h']
        #fonema << ['ks','k']
      when 'y' then
        if i == word.size - 1
          fonema << 'i'
        elsif word[i+1] == 'l'
          fonema << 'i'
        else
          #fonema << ['ll','lli','i']
          fonema << 'll'
        end
      when 'z' then
        if i == word.size - 1
          #fonema << ['s','h','']
          fonema << ['s','']
        else
          fonema << 's'
        end

      else
        raise "error, no conozco pronunciación de #{letra} en #{word}"
    end



  end
  #puts "pre: #{fonema}"
  t =  normalize(generateFonemas(fonema))
  #puts "out: #{t}"

  #self.checkFonemas(t)

  return t
end

.generateFonemas(fonema, i = 0, current = []) ⇒ Object

def self.checkFonemas(p)

#un ultimo chequeo de seguridad
for pronunciacion in p
  for fonema in pronunciacion.split(" ")
    raise "fonema invalido" unless lista_de_fonemas.include? fonema
  end
end

end



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# File 'lib/fonemas.rb', line 678

def self.generateFonemas(fonema,i=0,current=[])
    if i == fonema.length
      return current.join(' ')
    end

    c = fonema[i]
    if c.class.name == 'Array'
      output = []
      for j in c
        if j == ''
          output << generateFonemas(fonema,i+1,current)
        else
          output << generateFonemas(fonema,i+1,current + [j])
        end
      end
      return output
    else
      if c == ''
        return generateFonemas(fonema,i+1,current)
      else
        return generateFonemas(fonema,i+1,current + [c])
      end
    end

end

.isConsonante(word, i = 0) ⇒ Object 



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# File 'lib/fonemas.rb', line 260

def self.isConsonante(word,i=0)
  return !isVocal(word,i)
end

.isDieresis(palabra, first, second) ⇒ Object 



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# File 'lib/fonemas.rb', line 271

def self.isDieresis(palabra,first,second)
  t = palabra[first,second]
  return false if t.length < 2
  dieresis = %w(ue ui)
  return dieresis.include? t

end

.isDiptongo(word, first, second) ⇒ Object 



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# File 'lib/fonemas.rb', line 279

def self.isDiptongo(word,first,second)
  trozo = word[first..second]
  return false if trozo.length != 2
  #puts "diptongo word #{word}, first: #{first}, second: #{second}"
  #puts "test diptongo #{word[first] + word[second]}"
  f = word[first]
  s = word[second]
  abiertas = %w(a e o á é ó)
  cerradas = %w(i u í ú)
  return ((abiertas.include? f and cerradas.include? s) or (abiertas.include? s and cerradas.include? f) or (cerradas.include? f and cerradas.include? s))

end

.isDiptongoConH(word, first, third) ⇒ Object 



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# File 'lib/fonemas.rb', line 292

def self.isDiptongoConH(word,first,third)
  test = word[first..third]
  #puts "test diptongo con h: #{test}"
  if test[1] == 'h'
    if test[2,2] == 'ue'
      return false
    else
      test = test.gsub(/h/,'')
    end
  else
    return false
  end
  return isDiptongo(test,0,1)
end

.isFinal(word, i) ⇒ Object 



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# File 'lib/fonemas.rb', line 233

def self.isFinal(word,i)
  return word.size == i-1
end

.isFricativa(word, i) ⇒ Object 



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# File 'lib/fonemas.rb', line 237

def self.isFricativa(word,i)
  fricativas = %w(f s c z j ll y g b w b v w s m b x d)
  return fricativas.include? word[i]
end

.isInseparables(trozo) ⇒ Object 



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# File 'lib/fonemas.rb', line 90

def self.isInseparables(trozo)
  #puts "isInspearable? #{trozo}"
  inseparables = %w(br bl cr cl dr fr fl gr gl kr ll pr pl tr rr ch)
  return inseparables.include? trozo
end

.isTonica(word, i) ⇒ Object 



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# File 'lib/fonemas.rb', line 135

def self.isTonica(word,i)
  test = _isTonica(word,i)
  if test
    if _isTonica(word,i+1)
      return false
    else
      return test
    end
  else
    return false
  end
end

.isTriptongo(palabra, first, third) ⇒ Object 



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# File 'lib/fonemas.rb', line 264

def self.isTriptongo(palabra,first,third)
  t = palabra[first,third]
  return false if t.length < 3
  triptongos = %w(iai iei uai uei uau iau uay uey)
  return triptongos.include? t
end

.isVocal(word, i = 0) ⇒ Object 



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# File 'lib/fonemas.rb', line 255

def self.isVocal(word,i=0)
  vocales = %w(a e i o u á é í ó ú)
  return vocales.include? word[i]
end

.lastVocal(word, from) ⇒ Object 



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

def self.lastVocal(word,from)
  #puts "last vocal for #{word} from #{from}"
  for i in 1..from
    #puts i
    #puts word[from-i]
    if word[from-i] =~ /[aeiou]/
      return word[from-i]
    end
  end
  return false
end

.limpiarVocalesDuplicadas(word) ⇒ Object 



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# File 'lib/fonemas.rb', line 380

def self.limpiarVocalesDuplicadas(word)
  word.gsub(/a+/,'a').gsub(/e+/,'e').gsub(/i+/,'i').gsub(/o+/,'o').gsub(/u+/,'u')
end

.lista_de_fonemas ⇒ Object 



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# File 'lib/fonemas.rb', line 724

def self.lista_de_fonemas
  phonelist = ['SIL']
  phonelist += %w{a e i o u aa ee ii oo uu}
  phonelist += %w{b d e f g i j k l m n o p rr r s t u k ch ll nh}
  phonelist << '++RUIDO++'
  phonelist.uniq
end

.nombres(word) ⇒ Object 



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# File 'lib/fonemas.rb', line 364

def self.nombres(word)
  return ['j e r t s'] if word == 'hertz'
  return nil
end

.normalize(t) ⇒ Object 



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# File 'lib/fonemas.rb', line 705

def self.normalize(t)
  @output = []
  anormalize(t)
  return @output
end

.separar(word) ⇒ Object 



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# File 'lib/fonemas.rb', line 307

def self.separar(word)
  word = downcase(word)
  output = []
  i = 0
  while(i < word.length)
    if word[i] == 'c' and word[i+1] == 'h'
      output << "ch"
      i+=1
    elsif word[i] == 'l' and word[i+1] == 'l'
      output << 'll'
      i+=1
    elsif word[i] == 'r' and word[i+1] == 'r'
      output << 'rr'
      i+=1
    else
      output << word[i]
    end
    i +=1
  end
  return output
end

.silabar(palabra) ⇒ Object 



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# File 'lib/fonemas.rb', line 35

def self.silabar(palabra)
  #puts "silabar: #{palabra}"
  #algoritmo adaptado desde python
  #codigo original extraido desde:
  #https://github.com/xergio/silabas/blob/master/home/silabea.py
  silabas = []
  letra = 0
  salto = 0
  while silabas.join('').length  < palabra.length
    #puts "silabas antes: #{silabas}"
    #puts "letra: #{letra}"
    #puts "palabra length: #{palabra.length}"
    silaba = ''
    salto = 0
    if isConsonante(palabra[letra])
      if isInseparables(palabra[letra..letra+1])
        salto += 2
      else
        salto += 1
      end
    else
      salto += 0
    end

    #puts "salto: #{salto}"
    if isDiptongoConH(palabra,letra+salto,letra+salto+2)
      #puts "diptongo con h"
      salto += 3
    elsif isDiptongo(palabra,letra+salto,letra+salto+1)
      salto += 2
    elsif isTriptongo(palabra,letra+salto,letra+salto+2)
      salto += 3
    elsif isDieresis(palabra,letra+salto,letra+salto+1)
      salto += 2
    else
      salto += 1
    end
    #puts "acoda silaba: #{palabra[letra,letra+salto]} letra: #{letra} salto: #{salto}"

    salto += coda(palabra[letra+salto,palabra.length])

    #puts "dcoda silaba: #{palabra[letra,letra+salto]} letra: #{letra} salto: #{salto}"


    silaba = palabra[letra,salto]
    letra += salto
    silabas << silaba

    #puts "Dletra: #{letra}"
    #puts "Dsalto: #{salto}"

  end
  return silabas.join("-")
end

.version ⇒ Object 



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# File 'lib/fonemas.rb', line 7

def self.version
  VERSION
end