dq-readability.rb in dq-readability-1.0.6

- old
+ new

@@ -16,11 +16,12 @@
       :clean_conditionally        => true,
       :remove_empty_nodes         => true,
       :min_image_width            => 130,
       :min_image_height           => 80,
       :ignore_image_format        => [],
-      :bypass                     => false
+      :bypass                     => false,
+      :math						  => false
     }.freeze
     
     REGEXES = {
         :unlikelyCandidatesRe => /combx|comment|community|disqus|extra|foot|header|menu|remark|rss|shoutbox|sidebar|sponsor|ad-break|agegate|pagination|pager|popup/i,
         :okMaybeItsACandidateRe => /and|article|body|column|main|shadow/i,
@@ -51,10 +52,11 @@
       @remove_unlikely_candidates = @options[:remove_unlikely_candidates]
       @weight_classes = @options[:weight_classes]
       @clean_conditionally = @options[:clean_conditionally]
       @best_candidate_has_image = true
       @bypass = @options[:bypass]
+      @math = @options[:math]
       make_html
     end
 
     def prepare_candidates
       @html.css("script, style").each { |i| i.remove }
@@ -552,11 +554,25 @@
       s = Nokogiri::XML::Node::SaveOptions
       save_opts = s::NO_DECLARATION | s::NO_EMPTY_TAGS | s::AS_XHTML
       html = node.serialize(:save_with => save_opts)
 
       # Get rid of duplicate whitespace
-      html = "<head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'></head>" + "\n" + html.gsub(/[\r\n\f]+/, "\n" )
-      
+      if @math == false
+		html = "<head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'></head>" + "\n" + html.gsub(/[\r\n\f]+/, "\n" )
+      else
+		head = <<HTML
+<head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'>
+		<script type='text/x-mathjax-config'>
+			MathJax.Hub.Config({tex2jax: {inlineMath: [['$','$'], ['\\\\(','\\\\)']]}});
+		</script>
+		<script type='text/javascript'
+			src='http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'>
+		</script>
+</head>
+HTML
+		
+		html = head + "\n" + html.gsub(/[\r\n\f]+/, "\n" )
+      end
       
       # get rid of incompitable characters
       if html.encode('utf-8').include?('Â') 
 		html = html.encode('utf-8').gsub('Â',' ')
       end