Padrino.Liquid.rb

module Padrino
  module Liquid
    module Helpers
      def render(engine, data=nil, options={}, locals={}, &block)
        ignored_ivs = [
          '@default_layout',
          '@app',
          '@template_cache',
          '@env',
          '@request',
          '@response',
          '@params',
          '@_response_buffer',
          '@route',
          '@block_params',
          '@_content_type',
          '@current_ability',
          '@block_params',
          '@layout'
        ]

        user_ivs = []
        self.instance_variables.to_s.gsub(/(\[|\]|:)/, '').split(', ').each do |key|
          user_ivs << key if not ignored_ivs.include? key
        end
 
        user_ivs.each do |iv|
          locals[iv[1..-1]] = self.instance_variable_get iv
        end
        super engine, data, options, locals, &block
      end
    end
    def self.registered(app)
      app.helpers Helpers
    end
  end
end