lib/rouge/plugins/redcarpet.rb in rouge-0.0.9 vs lib/rouge/plugins/redcarpet.rb in rouge-0.0.10

@@ -3,15 +3,34 @@
 #    require 'rouge/plugins/redcarpet'
 
 # this plugin depends on redcarpet
 require 'redcarpet'
 
+# stdlib
+require 'cgi'
+
 module Rouge
   module Plugins
     module Redcarpet
       def block_code(code, language)
-        lexer = Lexer.find(language) || Lexers::Text
-        formatter = Formatters::HTML.new(:css_class => "highlight #{lexer.tag}")
+        name, opts = language.split('?')
+
+        # parse the options hash from a cgi-style string
+        opts = CGI.parse(opts || '').map do |k, vals|
+          [ k.to_sym, vals.empty? ? true : vals[0] ]
+        end
+
+        opts = Hash[opts]
+
+        lexer_class = case name
+        when 'guess', nil
+          lexer = Lexer.guess(:source => code, :mimetype => opts[:mimetype])
+        when String
+          Lexer.find(name)
+        end || Lexers::Text
+
+        lexer = lexer_class.new(opts)
+        formatter = Formatters::HTML.new(:css_class => "highlight #{lexer_class.tag}")
 
         Rouge.highlight(code, lexer, formatter)
       end
     end
   end