private bool MatchesEmergencyNumberHelper(String number, String regionCode,
bool allowPrefixMatch)
{
number = PhoneNumberUtil.ExtractPossibleNumber(number);
if (PhoneNumberUtil.PlusCharsPattern.MatchBeginning(number).Success)
{
// Returns false if the number starts with a plus sign. We don't believe dialing the country
// code before emergency numbers (e.g. +1911) works, but later, if that proves to work, we can
// add additional logic here to handle it.
return(false);
}
var metadata = phoneUtil.GetMetadataForRegion(regionCode);
if (metadata == null || !metadata.HasEmergency)
{
return(false);
}
var emergencyNumberPattern =
new PhoneRegex(metadata.Emergency.NationalNumberPattern);
var normalizedNumber = PhoneNumberUtil.NormalizeDigitsOnly(number);
// In Brazil, it is impossible to append additional digits to an emergency number to dial the
// number.
return((!allowPrefixMatch || regionCode.Equals("BR"))
? emergencyNumberPattern.MatchAll(normalizedNumber).Success
: emergencyNumberPattern.MatchBeginning(normalizedNumber).Success);
}
//phonelib calls
public ParsedPhoneNumber IsPhoneNumberValid(string phoneNumber, string defaultIsoCode)
{
var parsedNumber = new ParsedPhoneNumber();
if (!string.IsNullOrEmpty(phoneNumber))
{
var phoneNumberUtil = PhoneNumberUtil.GetInstance();
parsedNumber.IsViablePhoneNumber = PhoneNumberUtil.IsViablePhoneNumber(phoneNumber);
parsedNumber.ExtractPossibleNumber = PhoneNumberUtil.ExtractPossibleNumber(phoneNumber);
parsedNumber.NormalizedNumber = PhoneNumberUtil.Normalize(phoneNumber);
parsedNumber.NormalizedDigitsOnly = PhoneNumberUtil.NormalizeDigitsOnly(phoneNumber);
if (parsedNumber.IsViablePhoneNumber.Value)
{
var numberObject = phoneNumberUtil.Parse(phoneNumber, defaultIsoCode);
parsedNumber.E164Format = phoneNumberUtil.Format(numberObject, PhoneNumberFormat.E164);
parsedNumber.IntFormat = phoneNumberUtil.Format(numberObject, PhoneNumberFormat.INTERNATIONAL);
parsedNumber.IsValidNumber = phoneNumberUtil.IsValidNumber(numberObject);
parsedNumber.CountryCode = numberObject.CountryCode;
parsedNumber.HasCountryCode = numberObject.HasCountryCode;
parsedNumber.PreferredDomesticCarrierCode = numberObject.PreferredDomesticCarrierCode;
var geocoder = PhoneNumbers.PhoneNumberOfflineGeocoder.GetInstance();
parsedNumber.GeoCoderDescription = geocoder.GetDescriptionForNumber(numberObject, PhoneNumbers.Locale.English);
parsedNumber.NumberType = phoneNumberUtil.GetNumberType(numberObject).ToString();
}
}
return(parsedNumber);
}
private bool MatchesEmergencyNumberHelper(string number, string regionCode,
bool allowPrefixMatch)
{
var possibleNumber = PhoneNumberUtil.ExtractPossibleNumber(number);
if (PhoneNumberUtil.PlusCharsPattern.MatchBeginning(possibleNumber).Success)
{
// Returns false if the number starts with a plus sign. We don't believe dialing the country
// code before emergency numbers (e.g. +1911) works, but later, if that proves to work, we can
// add additional logic here to handle it.
return(false);
}
var metadata = MetadataManager.GetShortNumberMetadataForRegion(regionCode);
if (metadata == null || !metadata.HasEmergency)
{
return(false);
}
var normalizedNumber = PhoneNumberUtil.NormalizeDigitsOnly(possibleNumber);
var allowPrefixMatchForRegion =
allowPrefixMatch && !RegionsWhereEmergencyNumbersMustBeExact.Contains(regionCode);
return(matcherApi.MatchNationalNumber(normalizedNumber, metadata.Emergency,
allowPrefixMatchForRegion));
}
private static PhoneNumber ExtractPhoneNumber(this string number, string region)
{
if (string.IsNullOrEmpty(region))
{
throw new ArgumentNullException(region);
}
if (!String.IsNullOrWhiteSpace(number))
{
try
{
var num = PhoneNumberUtil.ExtractPossibleNumber(number);
if (!String.IsNullOrWhiteSpace(num))
{
var util = PhoneNumberUtil.GetInstance();
var phone = util.Parse(num, region);
return(phone);
}
}
catch (Exception e)
{
}
}
return(null);
}
