/// <summary>
/// Extracts the country calling code from the beginning of nationalNumber to
/// prefixBeforeNationalNumber when they are available, and places the remaining input into
/// nationalNumber.
/// </summary>
/// <returns>True when a valid country calling code can be found.</returns>
private bool AttemptToExtractCountryCallingCode()
{
if (nationalNumber.Length == 0)
{
return(false);
}
var numberWithoutCountryCallingCode = new StringBuilder();
var countryCode = phoneUtil.ExtractCountryCode(nationalNumber, numberWithoutCountryCallingCode);
if (countryCode == 0)
{
return(false);
}
nationalNumber.Length = 0;
nationalNumber.Append(numberWithoutCountryCallingCode);
var newRegionCode = phoneUtil.GetRegionCodeForCountryCode(countryCode);
if (PhoneNumberUtil.REGION_CODE_FOR_NON_GEO_ENTITY.Equals(newRegionCode))
{
currentMetadata = phoneUtil.GetMetadataForNonGeographicalRegion(countryCode);
}
else if (!newRegionCode.Equals(defaultCountry))
{
currentMetadata = GetMetadataForRegion(newRegionCode);
}
var countryCodeString = countryCode.ToString();
prefixBeforeNationalNumber.Append(countryCodeString).Append(SeparatorBeforeNationalNumber);
// When we have successfully extracted the IDD, the previously extracted NDD should be cleared
// because it is no longer valid.
extractedNationalPrefix = "";
return(true);
}
/**
* Extracts the country calling code from the beginning of nationalNumber to
* prefixBeforeNationalNumber when they are available, and places the remaining input into
* nationalNumber.
*
* @return true when a valid country calling code can be found.
*/
private bool AttemptToExtractCountryCallingCode()
{
if (nationalNumber.Length == 0)
{
return(false);
}
StringBuilder numberWithoutCountryCallingCode = new StringBuilder();
int countryCode = phoneUtil.ExtractCountryCode(nationalNumber, numberWithoutCountryCallingCode);
if (countryCode == 0)
{
return(false);
}
nationalNumber.Length = 0;
nationalNumber.Append(numberWithoutCountryCallingCode);
String newRegionCode = phoneUtil.GetRegionCodeForCountryCode(countryCode);
if (PhoneNumberUtil.REGION_CODE_FOR_NON_GEO_ENTITY.Equals(newRegionCode))
{
currentMetaData = phoneUtil.GetMetadataForNonGeographicalRegion(countryCode);
}
else if (!newRegionCode.Equals(defaultCountry))
{
currentMetaData = GetMetadataForRegion(newRegionCode);
}
String countryCodeString = countryCode.ToString();
prefixBeforeNationalNumber.Append(countryCodeString).Append(" ");
return(true);
}