Class: HiwaiKaeuta::Inference::Pattern::Node

Inherits:
Base
  • Object
show all
Defined in:
lib/hiwai_kaeuta/inference/pattern/node.rb

Constant Summary collapse

HIWAI_WORDS = 
HiwaiKaeuta::Inference::HIWAI_WORDS

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node) ⇒ Node

Returns a new instance of Node.



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# File 'lib/hiwai_kaeuta/inference/pattern/node.rb', line 11

def initialize(node)
  @node = node
end

Instance Attribute Details

#node ⇒ Object (readonly)

Returns the value of attribute node.



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# File 'lib/hiwai_kaeuta/inference/pattern/node.rb', line 9

def node
  @node
end

Class Method Details

.get_all(nodes) ⇒ Object 



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# File 'lib/hiwai_kaeuta/inference/pattern/node.rb', line 5

def self.get_all(nodes)
  nodes.map { |x| new(x) }
end

Instance Method Details

#subst ⇒ Object 



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# File 'lib/hiwai_kaeuta/inference/pattern/node.rb', line 15

def subst
  return nil unless node.is_noun?
  read = node.reading
  can = HIWAI_WORDS.reject { |wr, ww| wr.length != read.length }
    .group_by { |wr, ww|
    score = 0
    wr.split('').each_with_index { |c, index| score += (c == read[index] ? 1 : 0) }
    score
  }.max_by { |k, v| k }
  return nil if can.nil? || can[0] == 0
  HiwaiKaeuta::SubstSet.new(1).tap do |subst|
    subst.push(HiwaiKaeuta::Subst.new(node.index, can[1][0][1]))
  end
end