Class: Gherkin::Stream::ParserMessageStream

Inherits:
Object
  • Object
show all
Defined in:
lib/gherkin/stream/parser_message_stream.rb

Instance Method Summary collapse

Constructor Details

#initialize(paths, sources, options) ⇒ ParserMessageStream

Returns a new instance of ParserMessageStream.



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# File 'lib/gherkin/stream/parser_message_stream.rb', line 9

def initialize(paths, sources, options)
  @paths = paths
  @sources = sources
  @options = options

  id_generator = options[:id_generator] || Cucumber::Messages::Helpers::IdGenerator::UUID.new
  @parser = Parser.new(AstBuilder.new(id_generator))
  @compiler = Pickles::Compiler.new(id_generator)
end

Instance Method Details

#messages ⇒ Object 



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# File 'lib/gherkin/stream/parser_message_stream.rb', line 19

def messages
  enumerated = false
  Enumerator.new do |yielder|
    raise DoubleIterationException, "Messages have already been enumerated" if enumerated

    enumerated = true

    sources.each do |source|
      yielder.yield(Cucumber::Messages::Envelope.new(source: source)) if @options[:include_source]
      begin
        gherkin_document = nil

        if @options[:include_gherkin_document]
          gherkin_document = build_gherkin_document(source)
          yielder.yield(Cucumber::Messages::Envelope.new(gherkin_document: gherkin_document))
        end
        if @options[:include_pickles]
          gherkin_document ||= build_gherkin_document(source)
          pickles = @compiler.compile(gherkin_document, source)
          pickles.each do |pickle|
            yielder.yield(Cucumber::Messages::Envelope.new(pickle: pickle))
          end
        end
      rescue CompositeParserException => e
        yield_parse_errors(yielder, e.errors, source.uri)
      rescue ParserException => e
        yield_parse_errors(yielder, [e], source.uri)
      end
    end
  end
end