parser.rb

parser.rb

class Parser 
  class Error < StandardError; end
  def initialize(row)
    raise ArgumentError unless row.kind_of?(String)
    CSV.parse(row) do |i|
      @row_csv = i.map(&:freeze).freeze 
    end
    raise Error, "Incorrect Format" if @row_csv.size > 16
  end

  def parse()
    token = [
      :type, :test, :announce_time, :situation, 
      :number, :earthquake_id, :earthquake_time, :latitude_s, :longitude_s,
      :region, :depth, :mjma, :max_shindo, :land_sea, :continues 
    ].freeze
    Hash[token.zip @row_csv]
  end
end