private void ClearCompiledState()
{
//Re-set post-compiled state for cloned object
_attributeUses = null;
_localElements = null;
_attributeWildcard = null;
_contentTypeParticle = XmlSchemaParticle.Empty;
_blockResolved = XmlSchemaDerivationMethod.None;
}
protected void AddToTable(XmlSchemaObjectTable table, XmlQualifiedName qname, XmlSchemaObject item)
{
if (qname.Name.Length == 0)
{
return;
}
XmlSchemaObject existingObject = (XmlSchemaObject)table[qname];
if (existingObject != null)
{
if (existingObject == item)
{
return;
}
string code = ResXml.Sch_DupGlobalElement;
if (item is XmlSchemaAttributeGroup)
{
string ns = _nameTable.Add(qname.Namespace);
if (Ref.Equal(ns, _nsXml))
{ //Check for xml namespace
XmlSchema schemaForXmlNS = Preprocessor.GetBuildInSchema();
XmlSchemaObject builtInAttributeGroup = schemaForXmlNS.AttributeGroups[qname];
if ((object)existingObject == (object)builtInAttributeGroup)
{
table.Insert(qname, item);
return;
}
else if ((object)item == (object)builtInAttributeGroup)
{ //trying to overwrite customer's component with built-in, ignore built-in
return;
}
}
else if (IsValidAttributeGroupRedefine(existingObject, item, table))
{ //check for redefines
return;
}
code = ResXml.Sch_DupAttributeGroup;
}
else if (item is XmlSchemaAttribute)
{
string ns = _nameTable.Add(qname.Namespace);
if (Ref.Equal(ns, _nsXml))
{
XmlSchema schemaForXmlNS = Preprocessor.GetBuildInSchema();
XmlSchemaObject builtInAttribute = schemaForXmlNS.Attributes[qname];
if ((object)existingObject == (object)builtInAttribute)
{ //replace built-in one
table.Insert(qname, item);
return;
}
else if ((object)item == (object)builtInAttribute)
{ //trying to overwrite customer's component with built-in, ignore built-in
return;
}
}
code = ResXml.Sch_DupGlobalAttribute;
}
else if (item is XmlSchemaSimpleType)
{
if (IsValidTypeRedefine(existingObject, item, table))
{
return;
}
code = ResXml.Sch_DupSimpleType;
}
else if (item is XmlSchemaComplexType)
{
if (IsValidTypeRedefine(existingObject, item, table))
{
return;
}
code = ResXml.Sch_DupComplexType;
}
else if (item is XmlSchemaGroup)
{
if (IsValidGroupRedefine(existingObject, item, table))
{ //check for redefines
return;
}
code = ResXml.Sch_DupGroup;
}
else if (item is XmlSchemaNotation)
{
code = ResXml.Sch_DupNotation;
}
else if (item is XmlSchemaIdentityConstraint)
{
code = ResXml.Sch_DupIdentityConstraint;
}
else
{
Debug.Assert(item is XmlSchemaElement);
}
SendValidationEvent(code, qname.ToString(), item);
}
else
{
table.Add(qname, item);
}
}
private bool IsValidTypeRedefine(XmlSchemaObject existingObject, XmlSchemaObject item, XmlSchemaObjectTable table)
{
XmlSchemaType schemaType = item as XmlSchemaType;
XmlSchemaType existingType = existingObject as XmlSchemaType;
if (existingType == schemaType.Redefined)
{ //schemaType is the redefinition of existingObject
if (existingType.ElementDecl == null)
{ //If the existing one is not already compiled, then replace.
table.Insert(schemaType.QualifiedName, schemaType); //Update with redefined entry
return(true);
}
}
else if (existingType.Redefined == schemaType)
{ //Redefined type already exists in the set, original type is added after redefined type, ignore the original type
return(true);
}
return(false);
}
private bool IsValidGroupRedefine(XmlSchemaObject existingObject, XmlSchemaObject item, XmlSchemaObjectTable table)
{
XmlSchemaGroup group = item as XmlSchemaGroup;
XmlSchemaGroup existingGroup = existingObject as XmlSchemaGroup;
if (existingGroup == group.Redefined)
{ //group is the redefinition of existingObject
if (existingGroup.CanonicalParticle == null)
{ //If the existing one is not already compiled, then replace.
table.Insert(group.QualifiedName, group); //Update with redefined entry
return(true);
}
}
else if (existingGroup.Redefined == group)
{ //Redefined type already exists in the set, original type is added after redefined type, ignore the original type
return(true);
}
return(false);
}
private bool IsValidAttributeGroupRedefine(XmlSchemaObject existingObject, XmlSchemaObject item, XmlSchemaObjectTable table)
{
XmlSchemaAttributeGroup attGroup = item as XmlSchemaAttributeGroup;
XmlSchemaAttributeGroup existingAttGroup = existingObject as XmlSchemaAttributeGroup;
if (existingAttGroup == attGroup.Redefined)
{ //attribute group is the redefinition of existingObject
if (existingAttGroup.AttributeUses.Count == 0)
{ //If the existing one is not already compiled, then replace.
table.Insert(attGroup.QualifiedName, attGroup); //Update with redefined entry
return(true);
}
}
else if (existingAttGroup.Redefined == attGroup)
{ //Redefined type already exists in the set, original type is added after redefined type, ignore the original type
return(true);
}
return(false);
}
internal abstract void VerifySchemaValid(XmlSchemaObjectTable notations, XmlSchemaObject caller);
