def font_files(*args)
files = []
args_length = args.length
skip_next = false
args.each_with_index do |arg, index|
if skip_next
skip_next = false
next
end
type = (args_length > (index + 1)) ? args[index + 1].value.to_sym : :wrong
if FONT_TYPES.key? type
skip_next = true
else
type = arg.to_s.split('.').last.gsub(%r(\?(.*))?(#(.*))?"/, '').to_sym
end
if FONT_TYPES.key? type
files << "#{font_url(arg)} format('#{FONT_TYPES[type]}')"
else
raise Sass::SyntaxError, "Could not determine font type for #{arg}"
end
end
Sass::Script::String.new(files.join(", "))
end