private static Dictionary <string, T> MergeDictionary <T>(DictionaryMergeContext <T> item, DictionaryMergeContext <T> overrideItem)
{
Dictionary <string, T> merged;
if (overrideItem == null || overrideItem.Item == null)
{
merged = new Dictionary <string, T>();
}
else
{
merged = new Dictionary <string, T>(overrideItem.Item);
}
if (item == null || item.Item == null)
{
return(merged);
}
else
{
foreach (var pair in item.Item)
{
if (merged.ContainsKey(pair.Key))
{
Logger.LogWarning($"Both {item.Name} and {overrideItem.Name} contain definition for \"{pair.Key}\", the one from \"{overrideItem.Name}\" overrides the one from \"{item.Name}\".");
}
else
{
merged[pair.Key] = pair.Value;
}
}
}
return(merged);
}
public static Dictionary <string, T> MergeDictionary <T>(DictionaryMergeContext <T> item, DictionaryMergeContext <T> overrideItem, Merger <T> merger)
{
if (merger == null)
{
throw new ArgumentNullException(nameof(merger));
}
Dictionary <string, T> merged;
if (overrideItem?.Item == null)
{
merged = new Dictionary <string, T>();
}
else
{
merged = new Dictionary <string, T>(overrideItem.Item);
}
if (item?.Item == null)
{
return(merged);
}
else
{
foreach (var pair in item.Item)
{
T value;
if (merged.TryGetValue(pair.Key, out value))
{
merged[pair.Key] = merger(pair.Key, new MergeContext <T>(item.Name, pair.Value), new MergeContext <T>(overrideItem.Name, value));
}
else
{
merged[pair.Key] = pair.Value;
}
}
}
return(merged);
}