1 files changed, 42 insertions, 0 deletions
diff --git a/guides/rails_guides/markdown.rb b/guides/rails_guides/markdown.rb
new file mode 100644
index 0000000000..a56d0d2d85
--- /dev/null
+++ b/guides/rails_guides/markdown.rb
@@ -0,0 +1,42 @@
+require 'redcarpet'
+require 'nokogiri'
+require 'rails_guides/markdown/renderer'
+
+module RailsGuides
+  class Markdown
+    def initialize(view, layout)
+      @view = view
+      @layout = layout
+    end
+
+    def render(body)
+      @header, _, @body = body.partition(/^\-{40,}$/)
+      render_header
+      render_body
+    end
+
+    private
+      def engine
+        @engine ||= Redcarpet::Markdown.new(Renderer, {
+          no_intra_emphasis: true,
+          fenced_code_blocks: true,
+          autolink: true,
+          strikethrough: true,
+          superscript: true
+        })
+      end
+
+      def render_header
+        header_content = engine.render(@header)
+        @view.content_for(:header_section) { header_content.html_safe }
+
+        @view.content_for(:page_title) do
+          "Ruby on Rails Guides: #{Nokogiri::HTML(header_content).at(:h2).text}".html_safe
+        end
+      end
+
+      def render_body
+        @view.render(:layout => @layout, :text => engine.render(@body))
+      end
+  end
+end