require "nokogiri"
require "open-uri"
require "yaml"
require "relaton/index"
require "relaton_bib"
require "relaton_ecma/version"
require "relaton_ecma/config"
require "relaton_ecma/util"
require "relaton_ecma/bibliographic_item"
require "relaton_ecma/xml_parser"
require "relaton_ecma/hash_converter"
require "relaton_ecma/ecma_bibliography"
require "relaton_ecma/data_fetcher"
require "relaton_ecma/data_parser"

module RelatonEcma
  # Returns hash of XML reammar
  # @return [String]
  def self.grammar_hash
    # gem_path = File.expand_path "..", __dir__
    # grammars_path = File.join gem_path, "grammars", "*"
    # grammars = Dir[grammars_path].sort.map { |gp| File.read gp }.join
    Digest::MD5.hexdigest RelatonEcma::VERSION + RelatonBib::VERSION # grammars
  end
end