private void RemoveIdOrIdRef(XmlElement e, XmlAttribute a)
{
ElementType et=documentType.GetElementType(e);
XmlName xn=new XmlName(a);
Attribute attr=et.GetAttribute(xn);
if ( attr == null )
return;
AttributeBinding ab;
string val=a.Value;
switch ( attr.Type )
{
case AttributeType.ID:
// record the previous id because we'll need that later (NodeChanged event)
ab=new AttributeBinding(e, attr.Name, val, a.Specified);
idTracker.RemoveId(ab);
ProcessRemovedId(val);
break;
case AttributeType.IDREF:
case AttributeType.IDREFS:
ab=new AttributeBinding(e, attr.Name, val, a.Specified);
idTracker.RemoveIdRefs(ab);
break;
}
}
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 void GetAllIdAndIdRefs()
{
if ( documentType == null )
return;
foreach ( XmlElement e in document.SelectNodes("//*") )
{
ElementType et=documentType.GetElementType(e);
if ( et == null )
continue;
foreach ( Attribute a in et.Attributes )
{
XmlAttribute attr=e.Attributes[a.Name.QualifiedName];
if ( attr == null )
continue;
if ( !validationEngine.ValidateAttribute(a, e, attr) )
// don't bother storing info on invalid attributes
continue;
AttributeBinding ab;
string val=attr.Value;
switch ( a.Type )
{
case AttributeType.ID:
ab=new AttributeBinding(e, a.Name, val, attr.Specified);
idTracker.AddId(ab);
break;
case AttributeType.IDREF:
case AttributeType.IDREFS:
ab=new AttributeBinding(e, a.Name, val, attr.Specified);
idTracker.AddIdRefs(ab);
break;
}
}
}
}
// TODO: ?: remove?
public IList GetAttributeInfo(XmlElement elem)
{
ArrayList ret=new ArrayList();
if ( documentType == null )
return ret;
ElementType et=documentType.GetElementType(elem);
if ( et == null )
return ret;
foreach ( Attribute a in et.Attributes )
{
string val=a.DefaultValue;
bool specified=false;
if ( elem.HasAttribute(a.Name.QualifiedName) )
{
val=elem.GetAttribute(a.Name.QualifiedName);
specified=true;
}
AttributeBinding ab=new AttributeBinding(elem, a.Name, val, specified);
ret.Add(ab);
}
return ret;
}
