gistfile1.rb

module Apohllo
  module Synthesis
    module Inflector
      def inflect(arg,det)
        det = det.dup
        lexemes = to_lexemes(arg)
        det[:gender] ||= determine_gender(lexemes)
        (lexemes.map do |lexeme| 
          if lexeme.respond_to?(:inflect)
            lexeme.inflect(det) 
          else
            lexeme
          end
        end).join(" ")
      end

      def determine_gender(lexemes)
        # the earlier elements have precedence over the later
        lexemes.each do |lexeme| 
          if lexeme.respond_to?(:noun?) && lexeme.noun? 
            # special case - different gender for the "dziecko"
            # lexeme, cf. dwoje dzieci/dwa drzewa
            return :n1 if lexeme.base_form == "dziecko"
            return lexeme.gender 
          end
        end
        nil
      end

      def to_lexemes(arg)
        if arg.respond_to?(:inflect)
          [arg]
        else
          if arg =~ / /
            arg.split(/ /).map{|a| Rlp::Lexeme.find(a)[0] || a}
          else
            [Rlp::Lexeme.find(arg)[0] || arg]
          end
        end
      end
    end
  end
end