Class: Andrey::Word

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

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(language = Language::English) ⇒ Word

Returns a new instance of Word.



7
8
9
10
 
# File 'lib/andrey/word.rb', line 7

def initialize(language=Language::English)
  @language = language
  @word = []
end

Class Method Details

.generate(options = {}) ⇒ Object 



41
42
43
44
45
46
47
48
49
50
51
52
53
54
 
# File 'lib/andrey/word.rb', line 41

def self.generate(options={})
  options[:length] ||= 8

  if options[:corpus]
    symbols, map = Analyzer.analyze_file(options[:corpus])
    options[:language] = Language::Dynamic.new(symbols, map)
  end

  new(options[:language] || Language::English).tap do |word|
    while word.length < options[:length]
      word.add_letter
    end
  end
end

Instance Method Details

#add_letter ⇒ Object 



20
21
22
 
# File 'lib/andrey/word.rb', line 20

def add_letter
  @word << next_letter(@word.last || symbols.sample)
end

#length ⇒ Object 



16
17
18
 
# File 'lib/andrey/word.rb', line 16

def length
  @word.length
end

#next_letter(letter) ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# File 'lib/andrey/word.rb', line 24

def next_letter(letter)
  index = symbols.index(letter)

  probabilities = probability_map[index]
  pointer = rand
  sum = 0

  probabilities.each_with_index do |p, index|
    if p > 0
      sum += p
      return symbols[index] if sum > pointer
    end
  end

  symbols.sample
end

#to_s ⇒ Object 



12
13
14
 
# File 'lib/andrey/word.rb', line 12

def to_s
  @word.join
end