private bool ReadProperty(PropertyElement element)
{
if (!PropertyDefinitionLookup.TryGetValue(element.FullName, out PropertyDefinition definition))
{
throw new UnrecognizedPropertyException(element.FullName, element);
}
ElementReader.IResult <IEnumerable <object> > result =
definition.Reader.EvaluateAndRead(element, definition, conditionalParser);
if (result.HasValue)
{
VisitedProperties.Add(definition.Name);
switch (definition)
{
// TODO: this logic should be in the property definitions themselves.
case PropertyCollectionDefinition collectionDefinition:
if (element.Action == PropertyAction.Set)
{
collectionDefinition.ClearCollection(Properties[definition.Name]);
}
object collection = Properties[definition.Name];
foreach (object propertyValue in result.Value)
{
collectionDefinition.AddToCollection(collection, propertyValue);
}
break;
case PropertyDictionaryDefinition dictionaryDefinition:
if (element.Action == PropertyAction.Set)
{
dictionaryDefinition.ClearDictionary(Properties[definition.Name]);
}
object dictionary = Properties[definition.Name];
var newValues = (Dictionary <string, object>)result.Value.First();
foreach (KeyValuePair <string, object> kvp in newValues)
{
dictionaryDefinition.AddToDictionary(dictionary, kvp.Key, kvp.Value);
}
break;
default:
if (element.Action != PropertyAction.Set)
{
throw new InvalidPropertyActionException(element,
"Properties that are not a collection may only set values");
}
Properties[definition.Name] = result.Value.First();
break;
}
}
return(result.Terminate);
}
public Dictionary <string, object> GetDefaultPropertiesDictionary()
{
return(PropertyDefinitionLookup.ToDictionary(kvp => kvp.Key, kvp => kvp.Value.GetOrCloneDefaultValue()));
}