class Gamefic::Scanner::Nesting

def denest
  near = selection
  far = selection
  parts = token.split(NEST_REGEXP)
  until parts.empty?
    current = parts.pop
    last_result = subprocessor.scan(near, current)
    last_result = subprocessor.scan(far, current) if last_result.matched.empty? && near != far
    return unmatched_result if last_result.matched.empty? || last_result.matched.length > 1
    near = last_result.matched.first.children & selection
    far = last_result.matched.first.flatten & selection
  end
  last_result
end