extend the attributes object with helper methods

Signed-off-by: Christoph Hartmann <chris@lollyrock.com>

lib/inspec/objects/attribute.rb

@@ -21,6 +21,18 @@ module Inspec
       @opts[:default]
     end
 
+    def title
+      @opts[:title]
+    end
+
+    def description
+      @opts[:description]
+    end
+
+    def ruby_var_identifier
+      'attr_' + @name.downcase.strip.gsub(/\s+/, '-').gsub(/[^\w-]/, '')
+    end
+
     def to_hash
       {
         name: @name,
@@ -28,6 +40,15 @@ module Inspec
       }
     end
 
+    def to_ruby
+      res = ["#{ruby_var_identifier} = attribute('#{@name}',{"]
+      res.push "  title: '#{title}'," unless title.to_s.empty?
+      res.push "  default: '#{default}'," unless default.to_s.empty?
+      res.push "  description: '#{description}'," unless description.to_s.empty?
+      res.push '})'
+      res.join("\n")
+    end
+
     def to_s
       "Attribute #{@name} with #{@value}"
     end