# File: gherkin-listener.rb

require_relative 'feature-rep'


module Cukedep # This module is used as a namespace


class FeatureFileRep 
  attr_reader(:filepath)
  attr(:feature, true)
  
  def initialize(aFilepath)
    @filepath = aFilepath
  end
  
  def basename()
    File.basename(filepath)
  end
end

# A ParserListener listens to all the formatting events
# emitted by the Gherkin parser.
# It converts the received the feature file elements and builds
# a representation of the feature files that is appropriate
# for the Cukedep application.
class GherkinListener
  # The list of feature files encountered so far
  attr_reader(:feature_files)

  # Internal representation of the feature being parsed
  attr(:current_feature, true)
  
  def initialize()
    @feature_files = []
  end
  
  ######################################
  # Event listening methods
  ######################################

  # Called when beginning the parsing of a feature file.
  # featureURI: path + filename of feature file.
  def uri(featureURI)
    new_file = FeatureFileRep.new(featureURI)
    feature_files << new_file
  end

  # aFeature is a Gherkin::Formatter::Model::Feature instance
  def feature(aFeature)
    tag_names = aFeature.tags.map(&:name)
    @current_feature = feature_files.last.feature = FeatureRep.new(tag_names)
  end

  # aBackground is a Gherkin::Formatter::Model::Background instance
  def background(aBackground)
    ; # Do nothing
  end
  
  # aScenario is a Gherkin::Formatter::Model::Scenario instance
  def scenario(aScenario)
    ; # Do nothing
  end
  
  # aScenarioOutline is a Gherkin::Formatter::Model::ScenarioOutline instance
  def scenario_outline(aScenarioOutline)
    ; # Do nothing  
  end
  
  # theExamples is a Gherkin::Formatter::Model::Examples instance
  def examples(theExamples)
    ; # Do nothing 
  end

  # aStep is a Gherkin::Formatter::Model::Step instance
  def step(aStep)
    ; # Do nothing
  end
  
  # End of feature file notification.
  def eof()
    ; # Do nothing
  end


  # Catch all method
  def method_missing(message, *args)
    puts "Method #{message} is not implemented (yet)."
  end

end # class

end # module




# End of file