private PluralFormatInfo.PluralRuleDelegate GetPluralRule(IFormatProvider provider)
{
// Let's retirm the correct Plural Rule to use:
PluralFormatInfo pluralFormatInfo = null;
// See if a custom PluralFormatInfo is available from the FormatProvider:
if (provider != null)
{
pluralFormatInfo = (PluralFormatInfo)provider.GetFormat(typeof(PluralFormatInfo));
}
// If no custom PluralFormatInfo, let's use our default:
if (pluralFormatInfo == null)
{
pluralFormatInfo = defaultPluralFormatInfo;
}
// Only continue if we have a PluralFormatInfo:
if (pluralFormatInfo == null)
{
return(null);
}
// Get the culture, only if it was provided:
var cultureInfo = provider as CultureInfo;
// Retrieve the plural rule from the PluralFormatInfo:
return(pluralFormatInfo.GetPluralRule(cultureInfo));
}
/// <summary>
/// Initializes the plugin with a custom default rule provider.
/// </summary>
/// <param name="defaultPluralFormatInfo"></param>
public PluralLocalizationFormatter(PluralFormatInfo defaultPluralFormatInfo)
{
this.defaultPluralFormatInfo = defaultPluralFormatInfo;
}
/// <summary>
/// Initializes the plugin with rules for many common languages.
/// If no CultureInfo is supplied to the formatter, the
/// default language rules will be used by default.
/// </summary>
public PluralLocalizationFormatter(string defaultTwoLetterISOLanguageName)
{
this.defaultPluralFormatInfo = new CommonLanguagesPluralFormatInfo(defaultTwoLetterISOLanguageName);
}
