class ParallelTests::Cucumber::Scenarios

def all(files, options={})
  tags = []
  tags.concat options[:ignore_tag_pattern].to_s.split(/\s*,\s*/).map {|tag| "~#{tag}" }
  tags.concat options[:test_options].to_s.scan(/(?:-t|--tags) (~?@[\w,~@]+)/).flatten
  split_into_scenarios files, tags.uniq
end

def split_into_scenarios(files, tags=[])
  # Create the tag expression instance from gherkin, this is needed to know if the scenario matches with the tags invoked by the request
  tag_expression = ::Cucumber::Core::Gherkin::TagExpression.new(tags)
  # Create the ScenarioLineLogger which will filter the scenario we want
  scenario_line_logger = ParallelTests::Cucumber::Formatters::ScenarioLineLogger.new(tag_expression)
  # here we loop on the files map, each file will containe one or more scenario
  features ||= files.map do |path|
    # We encode the file and get the content of it
    source = ::Cucumber::Runtime::NormalisedEncodingFile.read(path)
    # We create a Gherkin document, this will be used to decode the details of each scenario
    document = ::Cucumber::Core::Gherkin::Document.new(path, source)
    # We create a parser for the gherkin document
    parser  = ::Gherkin::Parser.new()
    scanner = ::Gherkin::TokenScanner.new(document.body)
    begin
      # We make an attempt to parse the gherkin document, this could be failed if the document is not well formated
      result = parser.parse(scanner)
      # We loop on each children of the feature
      result[:feature][:children].each do |feature_element|
        # If the type of the child is not a scenario, we continue, we are only interested by the name of the scenario here
        if feature_element[:type].to_s != 'Scenario'
          next
        end
        # It's a scenario, we add it to the scenario_line_logger
        scenario_line_logger.visit_feature_element(document.uri, feature_element)
      end
    rescue StandardError => e
      # Exception if the document is no well formated or error in the tags
      raise ::Cucumber::Core::Gherkin::ParseError.new("#{document.uri}: #{e.message}")
    end
  end
  scenario_line_logger.scenarios
end