private TimeTextInfo GetTimeTextInfo(IFormatProvider provider)
{
// Return the default if there is no provider:
if (provider == null)
{
return(CommonLanguagesTimeTextInfo.GetTimeTextInfo(DefaultTwoLetterISOLanguageName));
}
// See if the provider can give us what we want:
var timeTextInfo = (TimeTextInfo)provider.GetFormat(typeof(TimeTextInfo));
if (timeTextInfo != null)
{
return(timeTextInfo);
}
// See if there is a rule for this culture:
if (!(provider is CultureInfo cultureInfo))
{
return(CommonLanguagesTimeTextInfo.GetTimeTextInfo(DefaultTwoLetterISOLanguageName));
}
timeTextInfo = CommonLanguagesTimeTextInfo.GetTimeTextInfo(cultureInfo.TwoLetterISOLanguageName);
// If cultureInfo was supplied,
// we will always return, even if null:
return(timeTextInfo);
}
/// <summary>
/// Initializes the extension with a default TimeTextInfo.
/// </summary>
/// <param name="defaultTwoLetterLanguageName">This will be used when no CultureInfo is supplied. Can be null.</param>
public TimeFormatter(string defaultTwoLetterLanguageName)
{
if (CommonLanguagesTimeTextInfo.GetTimeTextInfo(defaultTwoLetterLanguageName) == null)
{
throw new ArgumentException($"Language '{defaultTwoLetterLanguageName}' for {nameof(defaultTwoLetterLanguageName)} is not implemented.");
}
DefaultTwoLetterISOLanguageName = defaultTwoLetterLanguageName;
DefaultFormatOptions = TimeSpanUtility.DefaultFormatOptions;
}
public void Get_TimeTextInfo_For_BuiltIn_Languages(string language, string property)
{
var tti = typeof(CommonLanguagesTimeTextInfo)
.GetProperty(property, BindingFlags.Public | BindingFlags.Static)
?.GetValue(null, null) as TimeTextInfo;
Assert.That(tti, Is.Not.Null);
Assert.That(() => CommonLanguagesTimeTextInfo.GetTimeTextInfo(language) !.GetLessThanText("1"),
Is.EqualTo(tti?.GetLessThanText("1")));
}
public void Add_Valid_Custom_Language_TimeTextInfo()
{
var language = "nl"; // dummy - it's English, not Dutch ;-)
TimeTextInfo custom = new()
{
PluralRule = PluralRules.GetPluralRule(language),
Ptxt_week = new[] { "{0} week", "{0} weeks" },
Ptxt_day = new[] { "{0} day", "{0} days" },
Ptxt_hour = new[] { "{0} hour", "{0} hours" },
Ptxt_minute = new[] { "{0} minute", "{0} minutes" },
Ptxt_second = new[] { "{0} second", "{0} seconds" },
Ptxt_millisecond = new[] { "{0} millisecond", "{0} milliseconds" },
Ptxt_w = new[] { "{0}w" },
Ptxt_d = new[] { "{0}d" },
Ptxt_h = new[] { "{0}h" },
Ptxt_m = new[] { "{0}m" },
Ptxt_s = new[] { "{0}s" },
Ptxt_ms = new[] { "{0}ms" },
Ptxt_lessThan = "less than {0}"
};
Assert.That(() => CommonLanguagesTimeTextInfo.AddLanguage(language, custom), Throws.Nothing);
Assert.That(() => CommonLanguagesTimeTextInfo.GetTimeTextInfo(language), Is.EqualTo(custom));
}