Class: String

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

Constant Summary collapse

PORTUGUESE_CIRCUMFLEX_VOWELS = 
"êô"
PORTUGUESE_TILDE_VOWELS = 
"ãõ"
PORTUGUESE_ACUTE_VOWELS = 
"áéíó"
PORTUGUESE_ACCENTED_VOWELS = 
PORTUGUESE_ACUTE_VOWELS + PORTUGUESE_CIRCUMFLEX_VOWELS + PORTUGUESE_TILDE_VOWELS
PORTUGUESE_NON_ACCENTED_VOWELS = 
"aeiou"
PORTUGUESE_VOWELS = 
PORTUGUESE_NON_ACCENTED_VOWELS + PORTUGUESE_ACCENTED_VOWELS
PORTUGUESE_CONSONANTS = 
"bcçdfghjlmnpqrsvxz"
PORTUGUESE_ACUTE_VOWEL_MAP = 
{
  'a' => 'á',
  'e' => 'é',
  'i' => 'í',
  'o' => 'ó',
  'u' => 'ú'
}
PORTUGUESE_CIRCUMFLEX_VOWEL_MAP = 
{
  'e' => 'ê',
  'o' => 'ô'
}
PORTUGUESE_TILDE_VOWEL_MAP = 
{
  'a' => 'ã',
  'o' => 'õ'
}
PORTUGUESE_UNACCENT_VOWEL_MAP = 
{}

Instance Method Summary collapse

Instance Method Details

#pluralize_portuguese ⇒ Object 



85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
 
# File 'lib/portuguese_pluralizer.rb', line 85

def pluralize_portuguese
  case self
  # If the singular ends in -n just add -s
  when /\w*["#{PORTUGUESE_VOWELS}"]n$/ then self + 's'
  # If the singular ends in -m, drop -m and add -ns
  when /\w*["#{PORTUGUESE_VOWELS}"]m$/ then gsub(/m$/,'ns') 
  # If the singular ends in ãe just add -s
  when /\w*ãe$/ then self + 's'
  # If the singular ends with -ção or -são add -ões
  when /\w*[çs]ão$/ then gsub(/ão/,"ões")
  # If the singular ends with r,s,z or x...
  when /\w*[rszx]$/ 
    # If the singular ends with s or x
    if portuguese_pluralizer_last_letter == "s" or portuguese_pluralizer_last_letter == "x"
      # And the last vowel is accented, unaccent it before adding -es
      if portuguese_pluralizer_last_vowel.portuguese_pluralizer_has_accent?
        gsub!(/#{portuguese_pluralizer_last_vowel}/,portuguese_pluralizer_last_vowel.portuguese_pluralizer_unaccent)
        self + 'es'
      # But if the last vowel isn't accented and ends in s just return singular as is for plural
      else
        self
      end
    # If it doesn't end in s or x but r or z just add -es
    else   
      self + 'es'
    end
  # If ends with an unaccented vowel and l
  when /\w*["#{PORTUGUESE_NON_ACCENTED_VOWELS}"]l$/
    # And the last vowel is i or e
    if portuguese_pluralizer_last_vowel == 'i' or portuguese_pluralizer_last_vowel == 'e'
      # And if it has an accent swap the last vowel + l with -eis
      if portuguese_pluralizer_has_accent?
        gsub(/#{portuguese_pluralizer_last_vowel}l$/,"eis")
      # And if it doesn't have an acccent and the last vowel is i, swap the last vowel + l with -is
      elsif portuguese_pluralizer_last_vowel == 'i'
        gsub(/#{portuguese_pluralizer_last_vowel}l$/,"is") 
      # Otherwise if it doesn't have an accent and the the last vowel is e, give the last vowel an acute accent and add -is
      elsif portuguese_pluralizer_last_vowel == 'e'
        gsub(/#{portuguese_pluralizer_last_vowel}l$/,portuguese_pluralizer_last_vowel.portuguese_pluralizer_acute + "is") 
      end
    # If the last vowel is o and 
    elsif portuguese_pluralizer_last_vowel == 'o'
      # and has an accent just turn the -l to -is
      if portuguese_pluralizer_has_accent?
        gsub(/l$/,"is")
      else
        gsub(/#{portuguese_pluralizer_last_vowel}l$/,portuguese_pluralizer_last_vowel.portuguese_pluralizer_acute + "is")
      end
    else
      gsub(/l$/,"is")
    end
  end
end

#portuguese_pluralizer_acute ⇒ Object 



52
53
54
 
# File 'lib/portuguese_pluralizer.rb', line 52

def portuguese_pluralizer_acute
  PORTUGUESE_ACUTE_VOWEL_MAP.fetch(self,self)
end

#portuguese_pluralizer_circumflex ⇒ Object 



60
61
62
 
# File 'lib/portuguese_pluralizer.rb', line 60

def portuguese_pluralizer_circumflex
  PORTUGUESE_CIRCUMFLEX_MAP.fetch(self,self)
end

#portuguese_pluralizer_has_accent? ⇒ Boolean

Returns:

  • (Boolean) 


39
40
41
42
43
44
45
 
# File 'lib/portuguese_pluralizer.rb', line 39

def portuguese_pluralizer_has_accent?
  if m = match(/["#{PORTUGUESE_ACCENTED_VOWELS}"]/)
    true
  else
    false
  end
end

#portuguese_pluralizer_last_consonant ⇒ Object 



76
77
78
79
 
# File 'lib/portuguese_pluralizer.rb', line 76

def portuguese_pluralizer_last_consonant
  m = match(/\w*["#{PORTUGUESE_VOWELS}"]?(["#{PORTUGUESE_CONSONANTS}"])$/)
  m[1].to_s
end

#portuguese_pluralizer_last_letter ⇒ Object 



81
82
83
 
# File 'lib/portuguese_pluralizer.rb', line 81

def portuguese_pluralizer_last_letter
  self[-1]
end

#portuguese_pluralizer_last_vowel ⇒ Object 



47
48
49
50
 
# File 'lib/portuguese_pluralizer.rb', line 47

def portuguese_pluralizer_last_vowel
  m = match(/\w*(["#{PORTUGUESE_VOWELS}"])["#{PORTUGUESE_CONSONANTS}"]?$/)
  m[1].to_s
end

#portuguese_pluralizer_tilde ⇒ Object 



68
69
70
 
# File 'lib/portuguese_pluralizer.rb', line 68

def portuguese_pluralizer_tilde
  PORTUGUESE_TILDE_VOWEL_MAP.fetch(self,self)
end

#portuguese_pluralizer_unaccent ⇒ Object 



35
36
37
 
# File 'lib/portuguese_pluralizer.rb', line 35

def portuguese_pluralizer_unaccent
  PORTUGUESE_UNACCENT_VOWEL_MAP.fetch(self,self)
end

#portuguese_pluralizer_unacute ⇒ Object 



56
57
58
 
# File 'lib/portuguese_pluralizer.rb', line 56

def portuguese_pluralizer_unacute
  PORTUGUESE_ACUTE_VOWEL_MAP.invert.fetch(self,self)
end

#portuguese_pluralizer_uncircumflex ⇒ Object 



64
65
66
 
# File 'lib/portuguese_pluralizer.rb', line 64

def portuguese_pluralizer_uncircumflex
  PORTUGUESE_CIRCUMFLEX_MAP.invert.fetch(self,self)
end

#portuguese_pluralizer_untilde ⇒ Object 



72
73
74
 
# File 'lib/portuguese_pluralizer.rb', line 72

def portuguese_pluralizer_untilde
  PORTUGUESE_TILDE_VOWEL_MAP.invert.fetch(self,self)
end