Class: Spanish::Syllable

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

Defined Under Namespace

Classes: Syllables

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sound = nil) ⇒ Syllable

Returns a new instance of Syllable.



8
9
10
11
12
13
 
# File 'lib/spanish/syllable.rb', line 8

def initialize(sound = nil)
  @onset = []
  @nucleus = []
  @coda = []
  add sound if sound
end

Instance Attribute Details

#coda ⇒ Object

Returns the value of attribute coda.



6
7
8
 
# File 'lib/spanish/syllable.rb', line 6

def coda
  @coda
end

#nucleus ⇒ Object

Returns the value of attribute nucleus.



6
7
8
 
# File 'lib/spanish/syllable.rb', line 6

def nucleus
  @nucleus
end

#onset ⇒ Object

Returns the value of attribute onset.



6
7
8
 
# File 'lib/spanish/syllable.rb', line 6

def onset
  @onset
end

#stress ⇒ Object

Returns the value of attribute stress.



6
7
8
 
# File 'lib/spanish/syllable.rb', line 6

def stress
  @stress
end

Class Method Details

.apply_stress(syllables) ⇒ Object 



83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
 
# File 'lib/spanish/syllable.rb', line 83

def self.apply_stress(syllables)
  if syllables.detect {|s| s.stress}
  elsif syllables.length == 1
    syllables[0].stress = true
  else
    last = syllables.last.to_a
    penult = syllables[-2].to_a
    if last.last.vocalic? or last.last.nasal? or (last.last.alveolar? && last.last.fricative?)
      syllables[-2].stress = true
    else
      syllables.last.stress = true
    end
  end
  syllables
end

.syllabify(arg) ⇒ Object 



99
100
101
102
 
# File 'lib/spanish/syllable.rb', line 99

def self.syllabify(arg)
  arg = arg.kind_of?(String) ? Spanish.get_sounds(arg) : arg
  apply_stress(Syllables.new(arg).entries)
end

Instance Method Details

#<<(sound) ⇒ Object Also known as: add 



67
68
69
70
71
72
73
74
75
76
 
# File 'lib/spanish/syllable.rb', line 67

def <<(sound)
  @stress = true if sound.hints.include?(:primary_stress)
  if onset_wants?(sound)
    @onset << sound
  elsif nucleus_wants?(sound)
    @nucleus << sound
  else
    @coda << sound
  end
end

#coda_wants?(sound) ⇒ Boolean

Returns:

  • (Boolean) 


58
59
60
61
62
63
64
65
 
# File 'lib/spanish/syllable.rb', line 58

def coda_wants?(sound)
  if nucleus.empty?
    false
  else
    # Codas don't want a rising dipthong but will accept one at the end of words.
    sound.consonantal? && !(sound.approximant? && sound.palatal?)
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


79
80
81
 
# File 'lib/spanish/syllable.rb', line 79

def empty?
  onset.empty? && nucleus.empty? && coda.empty?
end

#nucleus_wants?(sound) ⇒ Boolean

Returns:

  • (Boolean) 


46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/spanish/syllable.rb', line 46

def nucleus_wants?(sound)
  if !coda.empty? || nucleus.length == 2 || !sound.vocalic?
    false
  elsif nucleus.empty?
    true
  elsif nucleus.last != sound
    !nucleus.last.hints.include?(:primary_stress) &&
      !sound.hints.include?(:syllable_boundary) &&
      (nucleus.last.close? || !nucleus.last.close? && sound.close?)
  end
end

#onset_wants?(sound) ⇒ Boolean

Returns:

  • (Boolean) 


36
37
38
39
40
41
42
43
44
 
# File 'lib/spanish/syllable.rb', line 36

def onset_wants?(sound)
  if !nucleus.empty? || sound.vocalic?
    false
  elsif onset.empty?
    sound.consonantal?
  else
    sound.liquid? || sound.approximant?
  end
end

#rime ⇒ Object 



23
24
25
 
# File 'lib/spanish/syllable.rb', line 23

def rime
  [nucleus, coda]
end

#to_a ⇒ Object 



15
16
17
 
# File 'lib/spanish/syllable.rb', line 15

def to_a
  [onset, rime].flatten
end

#to_s ⇒ Object 



27
28
29
30
 
# File 'lib/spanish/syllable.rb', line 27

def to_s
  string = to_a.map(&:symbol).join
  (stress ? "\u02c8" : "") + string
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


19
20
21
 
# File 'lib/spanish/syllable.rb', line 19

def valid?
  !nucleus.empty?
end

#wants?(sound) ⇒ Boolean

Returns:

  • (Boolean) 


32
33
34
 
# File 'lib/spanish/syllable.rb', line 32

def wants?(sound)
  onset_wants?(sound) or nucleus_wants?(sound) or coda_wants?(sound)
end