File: extract_text.rb

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ruby-htree 0.8%2Bdfsg-6
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require 'htree/text'
require 'htree/doc'
require 'htree/elem'

module HTree
  module Node
    def extract_text
      raise NotImplementedError
    end
  end

  class Location
    def extract_text
      to_node.extract_text
    end
  end

  # :stopdoc:
  module Container
    def extract_text
      Text.concat(*@children.map {|n| n.extract_text })
    end
  end

  module Leaf
    def extract_text
      Text.new('')
    end
  end

  class Text
    def extract_text
      self
    end
  end
  # :startdoc:
end