class Tilt::BlueClothTemplate

def self.engine_initialized?
  defined? ::BlueCloth
end

def evaluate(scope, locals, &block)
  @output ||= @engine.to_html
end

def initialize_engine
  require_template_library 'bluecloth'
end

def prepare
  @engine = BlueCloth.new(data, options)
  @output = nil
end