internal static bool containsOnlyValidXChars(
PhoneNumber number, String candidate, PhoneNumberUtil util)
{
// The characters 'x' and 'X' can be (1) a carrier code, in which case they always precede the
// national significant number or (2) an extension sign, in which case they always precede the
// extension number. We assume a carrier code is more than 1 digit, so the first case has to
// have more than 1 consecutive 'x' or 'X', whereas the second case can only have exactly 1 'x'
// or 'X'. We ignore the character if it appears as the last character of the string.
for (int index = 0; index < candidate.Length - 1; index++)
{
char charAtIndex = candidate[index];
if (charAtIndex == 'x' || charAtIndex == 'X')
{
char charAtNextIndex = candidate[index + 1];
if (charAtNextIndex == 'x' || charAtNextIndex == 'X')
{
// This is the carrier code case, in which the 'X's always precede the national
// significant number.
index++;
if (util.isNumberMatch(number, candidate.Substring(index)) != PhoneNumberUtil.MatchType.NSN_MATCH)
{
return(false);
}
// This is the extension sign case, in which the 'x' or 'X' should always precede the
// extension number.
}
else if (!PhoneNumberUtil.normalizeDigitsOnly(candidate.Substring(index)).Equals(
number.getExtension()))
{
return(false);
}
}
}
return(true);
}
internal static bool allNumberGroupsRemainGrouped(PhoneNumberUtil util,
PhoneNumber number,
StringBuilder normalizedCandidate,
String[] formattedNumberGroups)
{
int fromIndex = 0;
if (number.getCountryCodeSource() != PhoneNumber.CountryCodeSource.FROM_DEFAULT_COUNTRY)
{
// First skip the country code if the normalized candidate contained it.
String countryCode = number.getCountryCode().ToString();
fromIndex = normalizedCandidate.ToString().IndexOf(countryCode) + countryCode.Length;
}
// Check each group of consecutive digits are not broken into separate groupings in the
// {@code normalizedCandidate} string.
for (int i = 0; i < formattedNumberGroups.Length; i++)
{
// Fails if the substring of {@code normalizedCandidate} starting from {@code fromIndex}
// doesn't contain the consecutive digits in formattedNumberGroups[i].
fromIndex = normalizedCandidate.ToString().IndexOf(formattedNumberGroups[i], fromIndex, StringComparison.Ordinal);
if (fromIndex < 0)
{
return(false);
}
// Moves {@code fromIndex} forward.
fromIndex += formattedNumberGroups[i].Length;
if (i == 0 && fromIndex < normalizedCandidate.Length)
{
// We are at the position right after the NDC. We get the region used for formatting
// information based on the country code in the phone number, rather than the number itself,
// as we do not need to distinguish between different countries with the same country
// calling code and this is faster.
String region = util.getRegionCodeForCountryCode(number.getCountryCode());
if (util.getNddPrefixForRegion(region, true) != null &&
char.IsDigit(normalizedCandidate[fromIndex]))
{
// This means there is no formatting symbol after the NDC. In this case, we only
// accept the number if there is no formatting symbol at all in the number, except
// for extensions. This is only important for countries with national prefixes.
String nationalSignificantNumber = util.getNationalSignificantNumber(number);
return(normalizedCandidate.Substring(fromIndex - formattedNumberGroups[i].Length)
.StartsWith(nationalSignificantNumber));
}
}
}
// The check here makes sure that we haven't mistakenly already used the extension to
// match the last group of the subscriber number. Note the extension cannot have
// formatting in-between digits.
return(normalizedCandidate.Substring(fromIndex).Contains(number.getExtension()));
}
public PhoneNumber mergeFrom(PhoneNumber other)
{
if (other.HasCountryCode())
{
setCountryCode(other.getCountryCode());
}
if (other.HasNationalNumber())
{
setNationalNumber(other.getNationalNumber());
}
if (other.HasExtension())
{
setExtension(other.getExtension());
}
if (other.HasItalianLeadingZero())
{
setItalianLeadingZero(other.isItalianLeadingZero());
}
if (other.HasNumberOfLeadingZeros())
{
setNumberOfLeadingZeros(other.getNumberOfLeadingZeros());
}
if (other.HasRawInput())
{
setRawInput(other.getRawInput());
}
if (other.HasCountryCodeSource())
{
setCountryCodeSource(other.getCountryCodeSource());
}
if (other.HasPreferredDomesticCarrierCode())
{
setPreferredDomesticCarrierCode(other.getPreferredDomesticCarrierCode());
}
return(this);
}
