private RepoTreeItem FilterByLanguage(ILoadedRepository repo)
{
return(FilterByTagPrefix(repo, "lang:", tag => {
var langTag = tag.Substring(5);
var r = Iso639.GetTag(langTag);
return $"{Util.Util.GetCultureDisplayName(langTag)} [{langTag}]";
}));
}
private LanguageTag LanguageTag(string tag)
{
var data = Iso639.GetTag(tag);
var simplestTag = data?.Tag1 ?? data?.Tag3 ?? tag;
var name = data?.Autonym ?? data?.Name ?? tag;
return(new LanguageTag {
Name = name, Tag = simplestTag
});
}
public static string GetCultureDisplayName(string tag)
{
if (tag == "zxx" || tag == "")
{
return("---");
}
string langCode;
CultureInfo?culture = null;
try {
culture = new CultureInfo(tag);
langCode = culture.ThreeLetterISOLanguageName;
}
catch (Exception) {
// Best attempt
langCode = tag.Split('_', '-')[0];
}
if (langCode == string.Empty)
{
langCode = tag;
}
var data = Iso639.GetTag(langCode);
if (data?.Autonym != null && data.Autonym != "")
{
return(data.Autonym);
}
if (culture != null && culture.DisplayName != "" && culture.DisplayName != culture.EnglishName)
{
return(culture.DisplayName);
}
if (data?.Name != null && data.Name != "")
{
return(data.Name);
}
return(tag);
}