bool IObfuscationContext.TryGetSurrogateValue(IDictionarySpec dictionarySpec, object surrogateKey, out object surrogateValue)
{
IDictionary <object, object> dictionaryCache;
if ((object)dictionarySpec == null)
{
throw new ArgumentNullException(nameof(dictionarySpec));
}
if (!this.ObfuscationSpec.DisableEngineCaches ?? false)
{
if (!this.SubstitutionCacheRoot.TryGetValue(dictionarySpec.DictionaryId, out dictionaryCache))
{
dictionaryCache = new Dictionary <object, object>();
this.SubstitutionCacheRoot.Add(dictionarySpec.DictionaryId, dictionaryCache);
}
if (!dictionaryCache.TryGetValue(surrogateKey, out surrogateValue))
{
if (dictionarySpec.PreloadEnabled)
{
throw new InvalidOperationException(string.Format("Cache miss when dictionary preload enabled for dictionary ID '{0}'; current cache slot item count: {1}.", dictionarySpec.DictionaryId, dictionaryCache.Count));
}
surrogateValue = this.ResolveDictionaryValue(dictionarySpec, surrogateKey);
dictionaryCache.Add(surrogateKey, surrogateValue);
}
}
else
{
surrogateValue = this.ResolveDictionaryValue(dictionarySpec, surrogateKey);
}
return(true);
}
private object ResolveDictionaryValue(IDictionarySpec dictionarySpec, object surrogateKey)
{
if ((object)dictionarySpec == null)
{
throw new ArgumentNullException(nameof(dictionarySpec));
}
if ((object)surrogateKey == null)
{
throw new ArgumentNullException(nameof(surrogateKey));
}
if ((object)this.ResolveDictionaryValueCallback == null)
{
return(null);
}
return(this.ResolveDictionaryValueCallback(dictionarySpec, surrogateKey));
}