private void AddIdOrIdRef(XmlElement e, XmlAttribute a, Attribute attr)
{
// any previous value will have been removed in NodeChanging event
AttributeBinding ab;
string val = a.Value;
switch (attr.Type)
{
case AttributeType.ID:
ab = new AttributeBinding(e, attr.Name, val, a.Specified);
idTracker.AddId(ab);
if (idTracker.IdCount(val) > 1)
{
foreach (AttributeBinding ab2 in idTracker.GetIdBindings(val))
{
// TODO: L: inefficient, lots of removing then adding
XmlAttribute a2 = ab2.Element.GetAttributeNode(ab2.Name);
AttributeErrorFilter aef = new AttributeErrorFilter(ab2.Element, a2, ValidationErrorType.IdAttributeInUse);
RemoveValidationErrors(aef);
ValidationErrorAttribute vea = new ValidationErrorAttribute(ab2.Element, a2.Name, ValidationErrorType.IdAttributeInUse);
AddValidationError(ab2.Element, vea);
}
}
foreach (AttributeBinding ab2 in idTracker.GetIdRefBindings(val))
{
XmlAttribute ar = ab.Element.GetAttributeNode(ab2.Name);
AttributeErrorFilter aef = new AttributeErrorFilter(ab2.Element, ar, ValidationErrorType.IdAttributeNotDefined);
RemoveValidationErrors(aef);
}
break;
case AttributeType.IDREF:
case AttributeType.IDREFS:
ab = new AttributeBinding(e, attr.Name, val, a.Specified);
idTracker.AddIdRefs(ab);
// TODO: L: inefficient - we split twice, here and in AddIdRefs
foreach (string id in ab.Value.Split(' '))
{
if (idTracker.IdCount(id) == 0)
{
ValidationErrorAttribute vea = new ValidationErrorAttribute(e, a.Name, ValidationErrorType.IdAttributeNotDefined);
AddValidationError(e, vea);
}
}
break;
}
}
// private IList FilterValidNext(IList col, XmlElement n)
// {
// ArrayList ret=new ArrayList();
// foreach ( SimpleReference sr in col )
// {
// if ( ret.Contains(sr) )
// continue;
//
// if ( n != null &&
// FindInCollection(sr.OriginalReference.GetValidNextElements(), n) != null )
// ret.Add(sr);
// }
// return ret;
// }
// private IList GetValidFirstCaseElements(ElementType et, XmlElement e)
// {
// ArrayList ret=new ArrayList();
// IList col=et.ContentModel.GetValidFirstElements();
// foreach ( SimpleReference sr in col )
// {
// if ( ret.Contains(sr) )
// continue;
//
// if ( FindInCollection(sr.OriginalReference.GetValidNextElements(), e) != null )
// ret.Add(sr);
// }
// return ret;
// }
// private SimpleReference FindReference(ElementType et, XmlElement parent, XmlElement n)
// {
// IList col=et.ContentModel.GetValidFirstElements();
// SimpleReference r=null;
// foreach ( XmlNode c in parent.ChildNodes )
// {
// if ( c.NodeType != XmlNodeType.Element )
// continue;
//
// XmlElement child=(XmlElement) c;
//
// if ( child.Equals(n) )
// break;
//
// r=FindInCollection(col, child);
// if ( r == null )
// return null;
//
// col=r.OriginalReference.GetValidNextElements();
// if ( col.Count == 0 )
// return null;
//
// r=(SimpleReference) col[0];
// }
// return r;
// }
private void ValidateAttributeAddOrChange(XmlAttribute a)
{
XmlElement e = a.OwnerElement;
if (documentType == null || e == null)
{
return;
}
if (e.ParentNode == null)
{
// node is not in document yet
return;
}
ElementType et = documentType.GetElementType(e);
if (et == null)
{
return;
}
AttributeErrorFilter aef = new AttributeErrorFilter(e, a);
RemoveValidationErrors(aef);
Attribute attr = et.GetAttribute(a);
if (attr == null)
{
ValidationError ve = new ValidationErrorAttribute(e, a.Name, ValidationErrorType.AttributeNotDefined);
AddValidationError(e, ve);
return;
}
// it's only at this point we can even tell if it's ID/IDREF
AddIdOrIdRef(e, a, attr);
if (!validationEngine.ValidateAttribute(attr, e, a))
{
ValidationError ve = new ValidationErrorAttribute(e, a.Name, ValidationErrorType.InvalidAttributeValue);
AddValidationError(e, ve);
}
}