private LocalizedTextCacheEntry GetTextEntryInternal(string ns, string key, LanguageInfo language, bool considerLanguageFallbacks)
{
if (_textCache != null)
{
Dictionary <string, Dictionary <string, LocalizedTextCacheEntry> > keys;
if (_textCache.TryGetValue(ns, out keys))
{
Dictionary <string, LocalizedTextCacheEntry> translations;
if (keys.TryGetValue(key, out translations))
{
LocalizedTextCacheEntry text;
if (translations.TryGetValue(language.Key, out text))
{
EnsureEvaluator(text);
return(text);
}
}
}
}
if (PrepareTextSources(ns))
{
return(GetTextEntry(ns, key, language, considerLanguageFallbacks));
}
if (considerLanguageFallbacks)
{
var fallbacks = new List <LanguageInfo>();
if (language.Fallbacks != null)
{
fallbacks.AddRange(language.Fallbacks);
}
if (FallbackLanguages != null)
{
fallbacks.AddRange(FallbackLanguages.Reverse());
}
LocalizedTextCacheEntry text = null;
if (fallbacks.Any(x =>
(text = GetTextEntry(ns, key, x, false, false)) != null))
{
return(text);
}
}
return(null);
}
protected void EnsureEvaluator(LocalizedTextCacheEntry entry)
{
EnsureLoaded();
if (entry.Evaluator == null)
{
PatternDialect dialect;
if (Dialects.TryGetValue(entry.Text.PatternDialect, out dialect))
{
try
{
entry.PatternDialect = dialect;
entry.Evaluator = dialect.GetEvaluator(entry.Text.Pattern, this);
}
catch (PatternException pe)
{
var parameters = new
{
Message = pe.Message,
Namespace = entry.Text.Namespace,
Key = entry.Text.Key,
Language = entry.Text.Language
};
var ex = new PatternException("TextManager.PatternException",
"{0} while parsing {2} in namespace \"{1}\" for {2}", parameters, innerException: pe);
throw ex;
}
}
else
{
throw new UnkownDialectException(entry.Text.PatternDialect);
}
}
}