module Sass::Util

def file_uri_from_path(path)
  absolute_path = File.absolute_path(path)
  absolute_path = File::SEPARATOR + absolute_path unless absolute_path.start_with? File::SEPARATOR
  URI_PARSER.escape("file://#{absolute_path}")
end

def now
  (Time.now.to_f * 1000).to_i
end

def path_from_file_uri(file_uri)
  URI_PARSER.unescape(file_uri)[7..]
end

def relative_path(from, to)
  Pathname.new(File.absolute_path(to)).relative_path_from(Pathname.new(File.absolute_path(from))).to_s
end