private SetResult ExecuteOperationForSetElement(set setElement, IEnumerable<sc.ObjectType> objectTypes)
{
sc.ObjectType firstObjectType = objectTypes.First();
sc.ObjectType secondObjectType = null;
IEnumerable<string> firstReferenceTypes = firstObjectType.GetReferenceTypesInString();
IEnumerable<string> secondReferenceTypes = new List<string>();
FlagEnumeration firstObjectFlag = firstObjectType.flag;
FlagEnumeration secondObjectFlag = FlagEnumeration.complete;
if (objectTypes.Count() == MAX_NUMBER_OF_OBJECTS_IN_SET)
{
//the max number to the Object_Reference is 2 (reference: oval_definitions schema)
secondObjectType = objectTypes.ElementAt(1);
secondReferenceTypes= secondObjectType.GetReferenceTypesInString();
secondObjectFlag = secondObjectType.flag;
}
SetOperation operation = this.GetOperation(setElement.set_operator);
IEnumerable<string> results = operation.Execute(firstReferenceTypes, secondReferenceTypes);
FlagEnumeration objectFlag = operation.GetObjectFlag(firstObjectFlag, secondObjectFlag);
SetResult result = new SetResult(results, objectFlag);
return result;
}
/// <summary>
/// Evaluates the setObjects in the tree. This method invokes the Evaluate method in the recursive form.
/// The evaluation starts in the more deep level in the tree of objects.
/// Then the upper levels will evaluated based on result of the deeper levels.
/// </summary>
/// <param name="setElement">The set element.</param>
/// <returns></returns>
private SetResult EvaluateOtherSets(set setElement)
{
IEnumerable<set> otherSetsElements = setElement.GetSets();
SetResult resultFirstSet = this.Evaluate(otherSetsElements.First());
SetResult resultSecondSet = new SetResult(new List<String>(), FlagEnumeration.notcollected);
//the max number of set is 2 (reference: oval_definitions schema)
if (otherSetsElements.Count() == MAX_NUMBER_OF_OBJECTS_IN_SET)
{
resultSecondSet = this.Evaluate(otherSetsElements.ElementAt(1));
}
SetOperation operation = this.GetOperation(setElement.set_operator);
IEnumerable<string> results = operation.Execute(resultFirstSet.Result, resultSecondSet.Result);
FlagEnumeration objectFlag = operation.GetObjectFlag(resultFirstSet.ObjectFlag, resultSecondSet.ObjectFlag);
return new SetResult(results, objectFlag);
}