class Rainbow::StringUtils

def self.wrap_with_sgr(string, codes)
  return string if codes.empty?
  seq = "\e[" + codes.join(";") + "m"
  match = string.match(/^(\e\[([\d;]+)m)*/)
  if match
    seq_pos = match.end(0)
    string = string[0...seq_pos] + seq + string[seq_pos..-1]
  else
    string = seq + string
  end
  string = string + "\e[0m" unless string =~ /\e\[0m$/
  string
end