engine/lib/locomotive/liquid/db_file_system.rb

module Locomotive
  module Liquid
    class DbFileSystem

      # Works only with snippets
      def read_template_file(site, template_path)
        raise FileSystemError, "Illegal snippet name '#{template_path}'" unless template_path =~ /^[^.\/][a-zA-Z0-9_\/]+$/

        snippet = site.snippets.where(:slug => template_path).first

        raise FileSystemError, "No such snippet '#{template_path}'" if snippet.nil?

        snippet.template
      end

    end
  end
end