Update Rust documentation (1.17.0)

assets/stylesheets/pages/_rust.scss

@@ -7,5 +7,5 @@
   div.stability { margin-bottom: 1em; }
   em.stab, span.stab { @extend %label; }
   em.stab.unstable, span.stab.unstable { @extend %label-orange; }
-  .since { float: right; }
+  .since, .out-of-band { float: right; }
 }

lib/docs/filters/rust/clean_html.rb

@@ -2,21 +2,49 @@ module Docs
   class Rust
     class CleanHtmlFilter < Filter
       def call
-        if slug.start_with?('book')
-          book
-        elsif slug.start_with?('reference') || slug == 'error-index'
-          reference
+        puts subpath if at_css('#versioninfo')
+
+        if slug.start_with?('book') ||  slug.start_with?('reference')
+          @doc = at_css('#content')
+        elsif slug == 'error-index'
+          css('.error-undescribed').remove
+
+          css('.error-described').each do |node|
+            node.before(node.children).remove
+          end
         else
-          api
+          @doc = at_css('#main')
+
+          css('.toggle-wrapper').remove
+
+          css('h1.fqn').each do |node|
+            node.content = node.at_css('.in-band').content
+          end
+
+          css('.stability .stab').each do |node|
+            node.name = 'span'
+            node.content = node.content
+          end
         end
 
         css('.rusttest', '.test-arrow', 'hr').remove
 
+        css('a.header').each do |node|
+          node.first_element_child['id'] = node['name']
+          node.before(node.children).remove
+        end
+
         css('.docblock > h1').each { |node| node.name = 'h4' }
         css('h2.section-header').each { |node| node.name = 'h3' }
         css('h1.section-header').each { |node| node.name = 'h2' }
 
-        css('> .impl-items', '> .docblock').each do |node|
+        if at_css('h1 ~ h1')
+          css('h1 ~ h1', 'h2', 'h3').each do |node|
+            node.name = node.name.sub(/\d/) { |i| i.to_i + 1 }
+          end
+        end
+
+        css('> .impl-items', '> .docblock', 'pre > pre').each do |node|
           node.before(node.children).remove
         end
 
@@ -36,33 +64,6 @@ module Docs
 
         doc
       end
-
-      def book
-        @doc = at_css('#page')
-      end
-
-      def reference
-        css('#versioninfo', '.error-undescribed').remove
-
-        css('.error-described').each do |node|
-          node.before(node.children).remove
-        end
-      end
-
-      def api
-        @doc = at_css('#main')
-
-        css('.toggle-wrapper').remove
-
-        css('h1.fqn').each do |node|
-          node.content = node.at_css('.in-band').content
-        end
-
-        css('.stability .stab').each do |node|
-          node.name = 'span'
-          node.content = node.content
-        end
-      end
     end
   end
 end

lib/docs/filters/rust/entries.rb

@@ -2,10 +2,8 @@ module Docs
   class Rust
     class EntriesFilter < Docs::EntriesFilter
       def get_name
-        if slug.start_with?('book')
-          at_css("#toc a[href='#{File.basename(slug)}']").content
-        elsif slug.start_with?('reference')
-          'Reference'
+        if slug.start_with?('book') || slug.start_with?('reference')
+          at_css("#sidebar a[href='#{File.basename(slug)}']").content
         elsif slug == 'error-index'
           'Compiler Errors'
         else
@@ -37,16 +35,8 @@ module Docs
       end
 
       def additional_entries
-        if slug.start_with?('book')
+        if slug.start_with?('book') || slug.start_with?('reference')
           []
-        elsif slug.start_with?('reference')
-          css('#TOC > ul > li > a', '#TOC > ul > li > ul > li > a').map do |node|
-            name = node.content
-            name.sub! %r{(\d)\ }, '\1. '
-            name.sub! '10.0.', '10.'
-            id = node['href'].remove('#')
-            [name, id]
-          end
         elsif slug == 'error-index'
           css('.error-described h2.section-header').each_with_object [] do |node, entries|
             entries << [node.content, node['id']] unless node.content.include?('Note:')

lib/docs/scrapers/rust.rb

@@ -1,11 +1,11 @@
 module Docs
   class Rust < UrlScraper
     self.type = 'rust'
-    self.release = '1.16.0'
+    self.release = '1.17.0'
     self.base_url = 'https://doc.rust-lang.org/'
     self.root_path = 'book/index.html'
     self.initial_paths = %w(
-      reference.html
+      reference/introduction.html
       collections/index.html
       std/index.html
       error-index.html)
@@ -18,6 +18,7 @@ module Docs
 
     options[:only_patterns] = [
       /\Abook\//,
+      /\Areference\//,
       /\Acollections\//,
       /\Astd\// ]