lib/devcenter-parser/github_parser.rb in devcenter-parser-2.2.2 vs lib/devcenter-parser/github_parser.rb in devcenter-parser-2.2.3rc1

@@ -1,9 +1,36 @@
 module GitHubParser
   extend self
 
   class HTMLWithPantsRenderer < Redcarpet::Render::HTML
     include Redcarpet::Render::SmartyPants
+
+    def block_code(code, language)
+      if language
+        language.sub!(/\Alang(uage)?-/, '')
+        %{<pre class="language-#{language}"><code class="language-#{language}">#{html_escape(code)}</code></pre>}
+      else
+        %{<pre><code>#{html_escape(code)}</code></pre>}
+      end
+    end
+
+    private
+
+    # This is a method copy/pasted from redcarpet/lib/redcarpet.rb
+    # It's a private instance method on the Render::Safe class which inherits
+    # from the HTML renderer.
+    # I'm not sure why our tests expect escaped code while we inherit from the
+    # HTML renderer and not the Safe renderer though.
+    def html_escape(string)
+      string.gsub(/['&\"<>\/]/, {
+        '&' => '&amp;',
+        '<' => '&lt;',
+        '>' => '&gt;',
+        '"' => '&quot;',
+        "'" => '&#x27;',
+        "/" => '&#x2F;',
+      })
+    end
   end
 
   def self.parse(markdown)
     html = github_parser.render(markdown.to_s)
     doc = Nokogiri::HTML::DocumentFragment.parse(html)