/// <summary>
/// Appends all the annotations present in the annotMan to the annotations currently loaded in this annotation Manager.
/// </summary>
/// <param name="annotMan"></param>
public void appendAnnotations(AnnotationManager annotMan)
{
if (annotMan == null)
{
return;
}
foreach (var ann in annotMan.GetAnnotationSubjects())
{
appendAnnotations(ann.Key, ann.Value, annotMan.GetAnnotations(ann.Key));
}
}
/// <summary>
/// Compare the annotations loaded in this annotation manager to the annotations loaded in the annotNew.
/// </summary>
/// <param name="annotNew">Manager to which you want to compare the current annotations</param>
/// <returns>An annotations manager diff structure which contains the difference between the two annotation managers</returns>
public AnnotationManagerDiff Compare(AnnotationManager annotNew)
{
AnnotationManagerDiff diffMan = new AnnotationManagerDiff();
// get the difference between the keys of the two managers.
var keysInRef = new HashSet <string>(this.GetAnnotationSubjects().Select(x => x.Key).ToList());
var keysInNew = new HashSet <string>(annotNew.GetAnnotationSubjects().Select(x => x.Key).ToList());
// all keys present in annotReference and not in annotNew should be added in removedAnnotations
var keysInRefNotInNew = keysInRef.Except(keysInNew);
foreach (var annKey in keysInRefNotInNew)
{
diffMan.RemovedAnnotations.Add(new Tuple <string, string>(annKey, this.subjectType[annKey]), this.GetAnnotations(annKey));
}
// all keys present in annotNew and not in annotReference should be added in addedAnnotations
var keysInNewNotInRef = keysInNew.Except(keysInRef);
foreach (var annKey in keysInNewNotInRef)
{
diffMan.AddedAnnotations.Add(new Tuple <string, string>(annKey, annotNew.subjectType[annKey]), annotNew.GetAnnotations(annKey));
}
// if they have both the same key --> check if each annotation is the same
var keysInBoth = keysInRef.Intersect(keysInNew);
foreach (var annKey in keysInBoth)
{
var annInRef = new HashSet <W3CAnnotation>(this.GetAnnotations(annKey));
var annInNew = new HashSet <W3CAnnotation>(annotNew.GetAnnotations(annKey));
var annInRefNotInNew = annInRef.Except(annInNew, new W3CAnnotation(true)).ToList();
if (annInRefNotInNew.Count > 0)
{
diffMan.RemovedAnnotations.Add(new Tuple <string, string>(annKey, this.subjectType[annKey]), annInRefNotInNew);
}
var annInNewNotInRef = annInNew.Except(annInRef, new W3CAnnotation(true)).ToList();
if (annInNewNotInRef.Count > 0)
{
diffMan.AddedAnnotations.Add(new Tuple <string, string>(annKey, annotNew.subjectType[annKey]), annInNewNotInRef);
}
}
return(diffMan);
}