public static CldrPluralRules Resolve(PluralRuleType type, string locale)
{
string normalizedLocale = IntlUtility.RemoveUnicodeExtensions(locale);
ConcurrentDictionary <string, CldrPluralRules> cache = type == PluralRuleType.Cardinal ? cardinalRules : ordinalRules;
return(cache.GetOrAdd(normalizedLocale, _ => {
XDocument doc = CldrUtility.LoadXml(type == PluralRuleType.Cardinal ? CardinalFileName : OrdinalFileName);
foreach (XElement node in doc.XPathSelectElements(Xpath))
{
string[] locales = node.Attribute("locales").Value.Split(' ');
if (locales.Contains(normalizedLocale))
{
CldrPluralRules rule = new CldrPluralRules(node);
foreach (string v in locales)
{
cache.TryAdd(v, rule);
}
return rule;
}
}
return Resolve(type, CldrUtility.GetParentLocale(normalizedLocale));
}));
}