module Nokogiri::XSLT

def parse string
  Stylesheet.parse_stylesheet_doc(XML.parse(string))
end

def quote_params params
  parray = (params.instance_of?(Hash) ? params.to_a.flatten : params).dup
  parray.each_with_index do |v,i|
    if i % 2 > 0
      parray[i]=
        if v =~ /'/
          "concat('#{ v.gsub(/'/, %q{', "'", '}) }')"
        else
          "'#{v}'";
        end
    else
      parray[i] = v.to_s
    end
  end
  parray.flatten
end