/**
* Helper method to get the national-number part of a number, formatted without any national
* prefix, and return it as a set of digit blocks that would be formatted together.
*/
private static String[] GetNationalNumberGroups(PhoneNumberUtil util, PhoneNumber number,
NumberFormat formattingPattern)
{
if (formattingPattern == null)
{
// This will be in the format +CC-DG;ext=EXT where DG represents groups of digits.
String rfc3966Format = util.Format(number, PhoneNumberFormat.RFC3966);
// We remove the extension part from the formatted string before splitting it into different
// groups.
int endIndex = rfc3966Format.IndexOf(';');
if (endIndex < 0)
{
endIndex = rfc3966Format.Length;
}
// The country-code will have a '-' following it.
int startIndex = rfc3966Format.IndexOf('-') + 1;
return(rfc3966Format.Substring(startIndex, endIndex - startIndex).Split(new [] { '-' }));
}
else
{
// We format the NSN only, and split that according to the separator.
String nationalSignificantNumber = util.GetNationalSignificantNumber(number);
return(util.FormatNsnUsingPattern(nationalSignificantNumber,
formattingPattern, PhoneNumberFormat.RFC3966).Split(new [] { '-' }));
}
}
/// <summary>
/// Helper method to get the national-number part of a number, formatted without any national
/// prefix, and return it as a set of digit blocks that should be formatted together according to
/// the formatting pattern passed in.
/// </summary>
private static IList <string> GetNationalNumberGroups(PhoneNumberUtil util, PhoneNumber number,
NumberFormat formattingPattern)
{
// If a format is provided, we format the NSN only, and split that according to the separator.
var nationalSignificantNumber = util.GetNationalSignificantNumber(number);
return(util.FormatNsnUsingPattern(nationalSignificantNumber,
formattingPattern, PhoneNumberFormat.RFC3966).Split('-'));
}
