module Sass::Util

def file_uri(path)
  absolute_path = File.absolute_path(path)
  unless absolute_path.start_with? File::SEPARATOR
    components = absolute_path.split File::SEPARATOR
    components[0] = components[0][0].downcase
    absolute_path = components.join File::SEPARATOR
  end
  "#{FILE_PROTOCOL}#{absolute_path}"
end

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

def path(file_uri)
  absolute_path = file_uri[FILE_PROTOCOL.length..]
  unless absolute_path.start_with? File::SEPARATOR
    components = absolute_path.split File::SEPARATOR
    components[0] = "#{components[0].upcase}:"
    absolute_path = components.join File::SEPARATOR
  end
  absolute_path
end

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