document.rb in roadie-5.1.0

- old
+ new

@@ -40,17 +40,24 @@
     #   @media(max-width: 600px) { .col-6 { display: block; } .col-12 { display: block; } }
     #   @media(max-width: 400px) { .col-12 { display: inline-block; } }
     # which would change the styling on the page
     attr_accessor :merge_media_queries
 
+    # Integer representing a bitmap set of options used by Nokogiri during serialization.
+    # For the complete set of available options look into +Nokogiri::XML::Node::SaveOptions+.
+    attr_reader :serialization_options
+
     # The mode to generate markup in. Valid values are `:html` (default) and `:xhtml`.
     attr_reader :mode
 
     # @param [String] html the input HTML
     def initialize(html)
       @keep_uninlinable_css = true
       @merge_media_queries = true
+      @serialization_options =
+        Nokogiri::XML::Node::SaveOptions::NO_DECLARATION |
+        Nokogiri::XML::Node::SaveOptions::NO_EMPTY_TAGS
       @html = html
       @asset_providers = ProviderList.wrap(FilesystemProvider.new)
       @external_asset_providers = ProviderList.empty
       @css = +""
       @mode = :html
@@ -135,10 +142,17 @@
     # Assign new external asset providers. The supplied list will be wrapped in a {ProviderList} using {ProviderList.wrap}.
     def external_asset_providers=(list)
       @external_asset_providers = ProviderList.wrap(list)
     end
 
+    # Integer representing a bitmap set of options used by Nokogiri during serialization.
+    # For the complete set of available options look into +Nokogiri::XML::Node::SaveOptions+.
+    # (To change the mode in which the document is generated use {#mode=} however.)
+    def serialization_options=(options)
+      @serialization_options = options || 0
+    end
+
     # Change the mode. The mode affects how the resulting markup is generated.
     #
     # Valid modes:
     #   `:html` (default)
     #   `:xhtml`
@@ -185,16 +199,10 @@
         html: save_options::AS_HTML,
         xhtml: save_options::AS_XHTML,
         xml: save_options::AS_XML
       }.fetch(mode)
 
-      dom.dup.to_html(
-        save_with: (
-          save_options::NO_DECLARATION |
-          save_options::NO_EMPTY_TAGS |
-          format
-        )
-      )
+      dom.dup.to_html(save_with: (serialization_options | format))
     end
 
     def make_url_rewriter
       if url_options
         UrlRewriter.new(UrlGenerator.new(url_options))