public static string GetCountryPrefix(string fullNumber)
{
if (fullNumber == null)
{
return(null);
}
PhoneNode nod = m_PhoneRoot;
int maxInd = -1;
for (int i = 0; i < fullNumber.Length; i++)
{
char dig = fullNumber[i];
PhoneNode nn;
if (!nod.Children.TryGetValue(dig, out nn))
{
break;
}
if (nn.Countries != null && nn.Countries.Count > 0)
{
maxInd = i;
}
nod = nn;
}
if (maxInd < 0)
{
return(null);
}
else
{
return(fullNumber.Substring(0, maxInd + 1));
}
}
public static void Initialize()
{
if (m_PhoneRoot != null)
{
return;
}
m_PhoneRoot = new PhoneNode();
m_AllCountryCodes = new Dictionary <string, string>();
string str = Pullenti.Ner.Bank.Internal.ResourceHelper.GetString("CountryPhoneCodes.txt");
if (str == null)
{
throw new Exception(string.Format("Can't file resource file {0} in Organization analyzer", "CountryPhoneCodes.txt"));
}
foreach (string line0 in str.Split('\n'))
{
string line = line0.Trim();
if (string.IsNullOrEmpty(line))
{
continue;
}
if (line.Length < 2)
{
continue;
}
string country = line.Substring(0, 2);
string cod = line.Substring(2).Trim();
if (cod.Length < 1)
{
continue;
}
if (!m_AllCountryCodes.ContainsKey(country))
{
m_AllCountryCodes.Add(country, cod);
}
PhoneNode tn = m_PhoneRoot;
for (int i = 0; i < cod.Length; i++)
{
char dig = cod[i];
PhoneNode nn;
if (!tn.Children.TryGetValue(dig, out nn))
{
nn = new PhoneNode();
nn.Pref = cod.Substring(0, i + 1);
tn.Children.Add(dig, nn);
}
tn = nn;
}
if (tn.Countries == null)
{
tn.Countries = new List <string>();
}
tn.Countries.Add(country);
}
}
