Class: Langue::Japanese::Adjective

Inherits:
Word
  • Object
show all
Extended by:
Classifier
Includes:
Attribute, Prefix
Defined in:
lib/langue/japanese/words/adjective.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/adjective.rb', line 17

def take(morphemes, index)
  if first_adjective?(morphemes, index)
    take_adjective(morphemes, index)
  elsif adjective_prefix?(morphemes, index)
    take_adjective_with_prefix(morphemes, index)
  else
    0
  end
end

.take_adjective(morphemes, index) ⇒ Object 



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# File 'lib/langue/japanese/words/adjective.rb', line 27

def take_adjective(morphemes, index)
  return 0 unless first_adjective?(morphemes, index)
  size = 1
  size += 1 while following_adjective?(morphemes, index + size) || conjunctive_particle?(morphemes, index + size) && following_adjective?(morphemes, index + size + 1)
  size += 1 while auxiliary_verb?(morphemes, index + size)
  size
end

.take_adjective_with_prefix(morphemes, index) ⇒ Object 



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# File 'lib/langue/japanese/words/adjective.rb', line 35

def take_adjective_with_prefix(morphemes, index)
  size = 0
  size += 1 while adjective_prefix?(morphemes, index + size)
  return 0 unless size > 0
  next_size = take_adjective(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/adjective.rb', line 44

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

  @key_morpheme
end

#prefix_morphemes ⇒ Object 



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# File 'lib/langue/japanese/words/adjective.rb', line 58

def prefix_morphemes
  @prefix_morphemes ||= begin
                          size = 0
                          size += 1 while self.class.adjective_prefix?(morphemes, size)
                          morphemes[0, size]
                        end
end