Class: Birdwatcher::WordList

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ WordList

Returns a new instance of WordList.



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# File 'lib/birdwatcher/word_list.rb', line 5

def initialize(options)
  @options   = options
  @corpus    = []
  @word_list = {}
end

Instance Attribute Details

#corpus ⇒ Object (readonly)

Returns the value of attribute corpus.



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# File 'lib/birdwatcher/word_list.rb', line 3

def corpus
  @corpus
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/birdwatcher/word_list.rb', line 3

def options
  @options
end

#word_list ⇒ Object (readonly)

Returns the value of attribute word_list.



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# File 'lib/birdwatcher/word_list.rb', line 3

def word_list
  @word_list
end

Instance Method Details

#add_to_corpus(text) ⇒ Object 



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# File 'lib/birdwatcher/word_list.rb', line 11

def add_to_corpus(text)
  @corpus << text.to_s
end

#process ⇒ Object 



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# File 'lib/birdwatcher/word_list.rb', line 15

def process
  words = {}
  corpus.each do |text|
    normalize_and_split(text).each do |word|
      next if exclude_word?(word)
      words.key?(word) ? words[word] += 1 : words[word] = 1
    end
  end
  if options[:min_word_count]
    words.delete_if { |word, count| count < options[:min_word_count].to_i }
  end
  sorted_words = words.sort_by { |word, count| count }.reverse
  if options[:word_cap]
    sorted_words = sorted_words.take(options[:word_cap].to_i)
  end
  @word_list = sorted_words
end