51 lines
1.1 KiB
Ruby
51 lines
1.1 KiB
Ruby
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class NullObject
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def method_missing (*args, &block)
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self
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end
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def nil?; true; end
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def to_str; end
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def to_ary; []; end
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end
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NULL_OBJECT = NullObject.new
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class SentenceGenerator
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def initialize(dictionary)
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@dictionary = dictionary
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@depth = @dictionary.depth
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end
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def random_word(last_word)
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@dictionary.dictionary.fetch(last_word, NULL_OBJECT).sample
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end
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def is_terminator?(symbol)
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(symbol =~ /[!?]/ || symbol == '.')
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end
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# Ugly way of making sure the key starts with a capital letter
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def random_capitalized_word
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random_choice = ["temp"]
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until random_choice[0] =~ /[A-Z]/
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words = @dictionary.dictionary.keys
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random_choice = words[rand(words.length)]
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end
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random_choice
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end
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def generate_sentence()
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sentence = []
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maximum_length = 20
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wordcount = 0
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sentence.concat(random_capitalized_word)
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until (is_terminator?(sentence.last[-1])) || wordcount > maximum_length
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wordcount += 1
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word = random_word(sentence.last(@depth))
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sentence << word
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end
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sentence.join(' ')
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end
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end
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