# frozen_string_literal: true

module Notare
  module XmlSanitizer
    # Invalid XML 1.0 characters: 0x00, 0x01-0x08, 0x0B-0x0C, 0x0E-0x1F
    # Valid whitespace preserved: 0x09 (tab), 0x0A (LF), 0x0D (CR)
    INVALID_XML_CHARS = /[\x00-\x08\x0B\x0C\x0E-\x1F]/

    def self.sanitize(text)
      return text unless text.is_a?(String)

      text.gsub(INVALID_XML_CHARS, "")
    end
  end
end