public ConfigurationElementCollection GetMergedElementCollection()
{
if (mergeableLocalElement == null)
{
return(localCollection);
}
if (localCollection.EmitClear)
{
return(localCollection);
}
List <ConfigurationElement> elementsFromParent = parentCollection.Cast <ConfigurationElement>().ToList();
foreach (ConfigurationElement elementFromLocal in localCollection.Cast <ConfigurationElement>())
{
var keyPredicate = CreateMatchKeyPredicate(elementFromLocal);
ConfigurationElement matchingElement = elementsFromParent.Where(keyPredicate).FirstOrDefault();
if (matchingElement != null)
{
ConfigurationElementMerge elementMerge = new ConfigurationElementMerge(matchingElement, elementFromLocal);
ConfigurationElement mergedElement = elementMerge.GetMergedElement();
int index = elementsFromParent.IndexOf(matchingElement);
elementsFromParent.RemoveAt(index);
elementsFromParent.Insert(index, mergedElement);
}
else
{
elementsFromParent.Add(elementFromLocal);
}
}
mergeableLocalElement.ResetCollection(elementsFromParent);
return(localCollection);
}
public static List <TSource> ToListCasted <TSource>(this ConfigurationElementCollection source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
return(source.Cast <TSource>().ToList());
}
/// <summary>
/// Used for DeepConfigManager sections to ensure that only sections are returned that belong
/// to the config file found and does not include 'inherited' sections from the application declared
/// web.config.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="c"></param>
/// <returns></returns>
public static IEnumerable <T> OnlyLocalConfig <T>(this ConfigurationElementCollection c)
{
return(c.Cast <ConfigurationElement>()
.Where(x => x.ElementInformation.Source != null)
.Cast <T>());
}