class Jekyll::Converters::Markdown::RDiscountParser

def convert(content)
  rd = RDiscount.new(content, *@rdiscount_extensions)
  html = rd.to_html
  if @config["rdiscount"]["toc_token"]
    html = replace_generated_toc(rd, html, @config["rdiscount"]["toc_token"])
  end
  html
end

def initialize(config)
  Jekyll::External.require_with_graceful_fail "rdiscount"
  @config = config
  @rdiscount_extensions = @config["rdiscount"]["extensions"].map(&:to_sym)
end

def replace_generated_toc(rd, html, toc_token)
  if rd.generate_toc && html.include?(toc_token)
    utf8_toc = rd.toc_content
    utf8_toc.force_encoding("utf-8") if utf8_toc.respond_to?(:force_encoding)
    html.gsub(toc_token, utf8_toc)
  else
    html
  end
end