Update Nokogiri documentation (1.19.4)

Author: simon04

docs/file-scrapers.md

@@ -116,7 +116,6 @@ done
 
 ## RDoc
 
-### Nokogiri
 ### Ruby / Minitest
 
 ```sh

lib/docs/filters/nokogiri2/clean_html.rb

@@ -0,0 +1,14 @@
+module Docs
+  class Nokogiri2
+    class CleanHtmlFilter < Docs::Rdoc::CleanHtmlFilter
+      def root
+        # Turn the collapsible navigation section into a plain list
+        css('.nav-section-header').remove
+        css('svg').remove
+        css('details', 'summary').each do |node|
+          node.before(node.children).remove
+        end
+      end
+    end
+  end
+end

lib/docs/filters/nokogiri2/container.rb

@@ -0,0 +1,14 @@
+module Docs
+  class Nokogiri2
+    class ContainerFilter < Docs::Rdoc::ContainerFilter
+      def call
+        return super unless root_page?
+
+        # RDoc no longer generates a table of contents page, and lists the
+        # classes in the sidebar navigation instead. Use that list as the root
+        # page, both to serve as an index and to make the pages reachable.
+        at_css('#classindex-section')
+      end
+    end
+  end
+end

lib/docs/scrapers/nokogiri2.rb

@@ -1,22 +1,21 @@
 module Docs
-  class Nokogiri2 < Rdoc
-    # Instructions:
-    #   1. Download the latest release at https://github.com/sparklemotion/nokogiri/releases
-    #   2. Run "bundle install && bundle exec rake docs" (in the Nokogiri directory)
-    #   4. Copy the "doc" directory to "docs/nokogiri"
-
+  class Nokogiri2 < UrlScraper
     self.name = 'Nokogiri'
     self.slug = 'nokogiri'
-    self.release = '1.14.2'
-    self.base_url = "https://nokogiri.org/rdoc/"
+    self.type = 'rdoc'
+    self.release = '1.19.4'
+    self.base_url = 'https://nokogiri.org/rdoc/'
+    self.root_path = 'index.html'
 
-    html_filters.replace 'rdoc/entries', 'nokogiri2/entries'
+    html_filters.replace 'container', 'nokogiri2/container'
+    html_filters.push 'nokogiri2/entries', 'nokogiri2/clean_html', 'title'
 
+    options[:title] = false
     options[:root_title] = 'Nokogiri'
     options[:only_patterns] = [/\ANokogiri/, /\AXSD/]
 
     options[:attribution] = <<-HTML
-      &copy; 2008&ndash;2023 by Mike Dalessio, Aaron Patterson, Yoko Harada, Akinori MUSHA, John Shahid,<br>
+      &copy; 2008&ndash;2026 by Mike Dalessio, Aaron Patterson, Yoko Harada, Akinori MUSHA, John Shahid,<br>
       Karol Bucek, Sam Ruby, Craig Barnes, Stephen Checkoway, Lars Kanis, Sergio Arbeo,<br>
       Timothy Elliott, Nobuyoshi Nakada, Charles Nutter, Patrick Mahoney
       Licensed under the MIT License.