Bump up to gherkin 4.0

Gemfile

@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
 gem 'redcarpet'
-gem 'gherkin', '~> 3'
+gem 'gherkin', '~> 4.0'
 
-gemspec
+gemspec

Gemfile.lock

@@ -1,37 +1,42 @@
 PATH
   remote: .
   specs:
-    yard-cucumber (2.3.2)
-      cucumber (>= 1.3.0)
-      gherkin (~> 2.12)
-      yard (>= 0.8.1)
+    yard-cucumber (3.0.0)
+      cucumber (~> 2)
+      gherkin (~> 4.0)
+      yard (~> 0.8, >= 0.8.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
     builder (3.2.2)
-    cucumber (2.0.2)
+    cucumber (2.4.0)
       builder (>= 2.1.2)
-      cucumber-core (~> 1.2.0)
+      cucumber-core (~> 1.5.0)
+      cucumber-wire (~> 0.0.1)
       diff-lcs (>= 1.1.3)
-      gherkin (~> 2.12)
+      gherkin (~> 4.0)
       multi_json (>= 1.7.5, < 2.0)
       multi_test (>= 0.1.2)
-    cucumber-core (1.2.0)
-      gherkin (~> 2.12.0)
+    cucumber-core (1.5.0)
+      gherkin (~> 4.0)
+    cucumber-wire (0.0.1)
     diff-lcs (1.2.5)
-    gherkin (2.12.2)
-      multi_json (~> 1.3)
-    multi_json (1.11.2)
+    gherkin (4.0.0)
+    multi_json (1.12.1)
     multi_test (0.1.2)
     rake (10.4.2)
     redcarpet (2.2.2)
-    yard (0.8.7.6)
+    yard (0.9.5)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  rake
+  gherkin (~> 4.0)
+  rake (~> 10)
   redcarpet
   yard-cucumber!
+
+BUNDLED WITH
+   1.12.4

lib/cucumber/city_builder.rb

@@ -87,9 +87,9 @@ def find_or_create_tag(tag_name,parent)
       # This is once, as the gherking parser does not like multiple feature per
       # file.
       #
-      def feature(feature)
+      def feature(document)
         #log.debug "FEATURE"
-
+        feature = document[:feature]
         return if has_exclude_tags?(feature[:tags].map { |t| t[:name].gsub(/^@/, '') })
 
         @feature = YARD::CodeObjects::Cucumber::Feature.new(@namespace,File.basename(@file.gsub('.feature','').gsub('.','_'))) do |f|
@@ -102,9 +102,10 @@ def feature(feature)
 
           feature[:tags].each {|feature_tag| find_or_create_tag(feature_tag[:name],f) }
         end
-        background(feature[:background]) if feature[:background]
-        feature[:scenarioDefinitions].each { |s|
+        feature[:children].each { |s|
           case s[:type]
+            when :Background
+              background(s)
             when :ScenarioOutline
               scenario_outline(s)
             when :Scenario

yard-cucumber.gemspec

@@ -56,7 +56,7 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency 'rake', '~> 10'
 
-  s.add_dependency 'gherkin', '~> 3'
+  s.add_dependency 'gherkin', '~> 4.0'
   s.add_dependency 'cucumber', '~> 2'
   s.add_dependency 'yard', '~> 0.8', '>= 0.8.1'