Implement our own Redcarpet Template to support renderer-level options. Closes #442

middleman-more/features/markdown.feature

@@ -9,7 +9,7 @@ Feature: Markdown support
   Scenario: Markdown extensions (Maruku)
     Given the Server is running at "markdown-app"
     When I go to "/smarty_pants.html"
-    Then I should see "“"
+    Then I should see """
     When I go to "/no_intra_emphasis.html"
     Then I should not see "<em>"
     When I go to "/tables.html"

middleman-more/features/markdown_redcarpet.feature

@@ -14,12 +14,15 @@ Feature: Markdown support
                      :strikethrough => true,
                      :lax_html_blocks => true,
                      :space_after_headers => true,
-                     :superscript => true#, :smartypants => true
+                     :with_toc_data => true,
+                     :superscript => true,
+                     :smartypants => true,
+                     :hard_wrap => true
                      
       """
     Given the Server is running at "markdown-app"
-    # When I go to "/smarty_pants.html"
+    When I go to "/smarty_pants.html"
-    # Then I should see "“"
+    Then I should see "“"
     When I go to "/no_intra_emphasis.html"
     Then I should not see "<em>"
     When I go to "/tables.html"
@@ -34,4 +37,7 @@ Feature: Markdown support
     Then I should not see "<h1>"
     When I go to "/superscript.html"
     Then I should see "<sup>"
-    
+    When I go to "/with_toc_data.html"
+    Then I should see "toc_0"
+    When I go to "/hard_wrap.html"
+    Then I should see "br"

middleman-more/fixtures/markdown-app/source/hard_wrap.html.markdown

@@ -0,0 +1,2 @@
+hard
+wrap

middleman-more/fixtures/markdown-app/source/with_toc_data.html.markdown

@@ -0,0 +1,3 @@
+# Header 1
+
+## Header 2

middleman-more/lib/middleman-more/renderers/markdown.rb

@@ -26,7 +26,10 @@ module Middleman
           app.after_configuration do
 
             # Look for the user's preferred engine
-            unless markdown_engine.nil?
+            if markdown_engine == :redcarpet
+              require "middleman-more/renderers/redcarpet"
+              ::Tilt.prefer(::Middleman::Renderers::RedcarpetTemplate)
+            elsif markdown_engine.nil?
               
               # Map symbols to classes
               markdown_engine_klass = if markdown_engine.is_a? Symbol
@@ -37,14 +40,6 @@ module Middleman
                 markdown_engine_prefix
               end
               
-              if markdown_engine == :redcarpet
-                # Forcably disable Redcarpet1 support.
-                # Tilt defaults to this if available, but the compat
-                # layer disables extensions.
-                require "redcarpet"
-                Object.send(:remove_const, :RedcarpetCompat) if defined? ::RedcarpetCompat
-              end
-         
               # Tell tilt to use that engine
               ::Tilt.prefer(markdown_engine_klass)
             end
@@ -54,5 +49,6 @@ module Middleman
         alias :included :registered
       end
     end
+    
   end
 end

middleman-more/lib/middleman-more/renderers/redcarpet.rb

@@ -0,0 +1,40 @@
+require "redcarpet"
+
+module Middleman
+  module Renderers
+
+    class RedcarpetTemplate < ::Tilt::RedcarpetTemplate::Redcarpet2
+      
+      # Overwrite built-in Tilt version. 
+      # Don't overload :renderer option with smartypants
+      # Supper renderer-level options
+      def generate_renderer
+        return options.delete(:renderer) if options.has_key?(:renderer)
+        
+        # Pick a renderer
+        renderer = ::Redcarpet::Render::HTML
+        
+        # Support SmartyPants
+        if options.delete(:smartypants)
+          renderer = Class.new(renderer) do
+            include ::Redcarpet::Render::SmartyPants
+          end
+        end
+        
+        # Renderer Options
+        possible_render_opts = [:filter_html, :no_images, :no_links, :no_styles, :safe_links_only, :with_toc_data, :hard_wrap, :xhtml]
+      
+        render_options = possible_render_opts.inject({}) do |sum, opt|
+          sum[opt] = options.delete(opt) if options.has_key?(opt)
+          sum
+        end
+        
+        renderer.new(render_options)
+        
+        
+      end
+    end
+   
+    ::Tilt.register RedcarpetTemplate, 'markdown', 'mkd', 'md'
+  end
+end