lib/malt/engines/kramdown.rb in malt-0.3.0 vs lib/malt/engines/kramdown.rb in malt-0.4.0

@@ -1,47 +1,72 @@
 require 'malt/engines/abstract'
 
 module Malt::Engine
 
-  # Discount Markdown implementation.
+  # Kramdown Markdown implementation.
   #
-  #   http://github.com/rtomayko/rdiscount
+  #   http://kramdown.rubyforge.org/
   #
-  # The +:smart+ and +:filter_html+ options can be set true
-  # to enable those flags on the underlying RDiscount object.
   class Kramdown < Abstract
 
     register :markdown, :md
 
     # Convert Markdown text to HTML text.
     #
-    # @option params [String] :text Template text
-    # @option params [String,Symbol] :to ('html') Type or file extension to convert template into.
-    def render(params)
-      text = params[:text]
-      into = params[:to]
+    # @param [Hash] params
+    #   A hash containing the Markdown extensions which the parser
+    #   will identify. The following extensions are accepted.
+    #
+    # @option params [String] :text
+    #   Template text.
+    #
+    # @option params [String,Symbol] :to ('html')
+    #   Type or file extension to convert template into.
+    #
+    # @see http://kramdown.rubyforge.org/rdoc/Kramdown/Options.html
+    #
+    def render(params={})
+      into, text = parameters(params, :to, :text)
+
       case into
       when :html, nil
-        intermediate(params).to_html
+        prepare_engine(params).to_html
       when :latex
-        intermediate(params).to_latex
+        prepare_engine(params).to_latex
       else
         super(params)
       end
     end
 
     # Convert Markdown text to intermediate object.
-    def intermediate(params)
-      text = params[:text]
-      ::Kramdown::Document.new(text)
+    def create_engine(params={})
+      text = parameters(params, :text)
+      cached(text) do
+        ::Kramdown::Document.new(text)
+      end
     end
 
     private
 
       # Load rdoc makup library if not already loaded.
-      def initialize_engine
+      def require_engine
         return if defined? ::Kramdown
         require_library 'kramdown'
+      end
+
+      # Kramdown has lots of options!
+      ENGINE_OPTION_NAMES = %w{
+        auto_id_prefix auto_ids
+        coderay_bold_every coderay_css coderay_line_number_start
+        coderay_line_numbers coderay_tab_width coderay_wrap
+        entity_output footnote_nr html_to_native latex_headers
+        line_width parse_block_html parse_span_html smart_quotes
+        template toc_levels
+      }
+
+      #
+      def engine_option_names
+        ENGINE_OPTION_NAMES
       end
 
   end
 
 end