Class: Langue::Japanese::Verb

Inherits:
Word
  • Object
show all
Extended by:
Classifier
Includes:
Attribute, Prefix
Defined in:
lib/langue/japanese/words/verb.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Classifier

body_adjective?, body_verb?, first_adjective?, first_noun?, first_verb?, following_adjective?, following_noun?, following_symbol?, following_verb?, progressive_verb?, suru_verb?

Methods included from Attribute

#body, included, #index

Methods included from Prefix

included, #prefix

Class Method Details

.take(morphemes, index) ⇒ Object 



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# File 'lib/langue/japanese/words/verb.rb', line 17

def take(morphemes, index)
  if first_verb?(morphemes, index)
    take_verb(morphemes, index)
  elsif verb_prefix?(morphemes, index)
    take_verb_with_prefix(morphemes, index)
  elsif first_noun?(morphemes, index)
    take_noun_conjunct_to_suru(morphemes, index)
  elsif noun_prefix?(morphemes, index)
    take_noun_with_prefix_conjunct_to_suru(morphemes, index)
  else
    0
  end
end

.take_noun_conjunct_to_suru(morphemes, index) ⇒ Object 



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# File 'lib/langue/japanese/words/verb.rb', line 44

def take_noun_conjunct_to_suru(morphemes, index)
  size = 0
  size += 1 while following_noun?(morphemes, index + size)
  return 0 unless size > 0
  return 0 unless noun_conjunct_to_suru?(morphemes, index + size - 1)
  return 0 unless suru_verb?(morphemes, index + size)
  size + take_following_verb(morphemes, index + size)
end

.take_noun_with_prefix_conjunct_to_suru(morphemes, index) ⇒ Object 



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# File 'lib/langue/japanese/words/verb.rb', line 53

def take_noun_with_prefix_conjunct_to_suru(morphemes, index)
  size = 0
  size += 1 while noun_prefix?(morphemes, index + size)
  return 0 unless size > 0
  next_size = take_noun_conjunct_to_suru(morphemes, index + size)
  next_size > 0 ? size + next_size : 0
end

.take_verb(morphemes, index) ⇒ Object 



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# File 'lib/langue/japanese/words/verb.rb', line 31

def take_verb(morphemes, index)
  return 0 unless first_verb?(morphemes, index)
  take_following_verb(morphemes, index)
end

.take_verb_with_prefix(morphemes, index) ⇒ Object 



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# File 'lib/langue/japanese/words/verb.rb', line 36

def take_verb_with_prefix(morphemes, index)
  size = 0
  size += 1 while verb_prefix?(morphemes, index + size)
  return 0 unless size > 0
  next_size = take_verb(morphemes, index + size)
  next_size > 0 ? size + next_size : 0
end

Instance Method Details

#key_morpheme ⇒ Object 



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# File 'lib/langue/japanese/words/verb.rb', line 71

def key_morpheme
  unless instance_variable_defined?(:@key_morpheme)
    @key_morpheme = if empty?
                      nil
                    else
                      index = size - 1
                      index -= 1 while !self.class.body_verb?(morphemes, index)
                      self[index]
                    end
  end

  @key_morpheme
end

#prefix_morphemes ⇒ Object 



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# File 'lib/langue/japanese/words/verb.rb', line 85

def prefix_morphemes
  @prefix_morphemes ||= begin
                          size = 0

                          if self.class.verb_prefix?(morphemes, size)
                            size += 1 while self.class.verb_prefix?(morphemes, size)
                          elsif self.class.noun_prefix?(morphemes, size)
                            size += 1 while self.class.noun_prefix?(morphemes, size)
                          end

                          morphemes[0, size]
                        end
end