private static void ValidateAreaCode(string rawPhoneNumber, string phoneNumberDigits)
{
if (phoneNumberDigits[AreaCodeDigitIndex] == '0' || phoneNumberDigits[TrunkPrefixDigitIndex] != '0')
{
throw InvalidPhoneNumberException.InvalidAreaCode(rawPhoneNumber);
}
}
private static void ValidateNumberOfDigits(string rawPhoneNumber, string phoneNumberDigits)
{
if (phoneNumberDigits.Length != InternationalPhoneNumberLength && phoneNumberDigits.Length != LocalPhoneNumberLength)
{
throw InvalidPhoneNumberException.InvalidNumberOfDigits(rawPhoneNumber);
}
}
private static void ValidateFormat(string rawPhoneNumber, string phoneNumberDigits)
{
if (!IsLocalFormattedPhoneNumber(phoneNumberDigits))
{
throw InvalidPhoneNumberException.InvalidFormat(rawPhoneNumber);
}
}
