private XSRedefine()
{
_redefine = new XmlSchemaRedefine();
Components = new XSComponentFixedList();
Content = new XSComponentList();
Content.Inserted += Content_Inserted;
Content.Cleared += Content_Cleared;
}
/// <summary>
/// Merges annotations between redefined and redefining schemas</summary>
/// <param name="schemaRedefine">XmlSchemeRefine</param>
private void MergeRedefinedTypeAnnotations(XmlSchemaRedefine schemaRedefine)
{
// get index to original complex types
Dictionary <XmlQualifiedName, XmlSchemaComplexType> originalTypes =
new Dictionary <XmlQualifiedName, XmlSchemaComplexType>();
foreach (XmlSchemaObject schemaItem in schemaRedefine.Schema.Items)
{
XmlSchemaComplexType complexType = schemaItem as XmlSchemaComplexType;
if (complexType != null)
{
originalTypes.Add(complexType.QualifiedName, complexType);
}
}
// merge annotation for redefined complex types
foreach (XmlSchemaObject schemaItem in schemaRedefine.Items)
{
XmlSchemaComplexType complexType = schemaItem as XmlSchemaComplexType;
if (complexType != null)
{
XmlQualifiedName name = complexType.QualifiedName;
XmlSchemaComplexType originalType = originalTypes[name];
if (originalType.IsAbstract != complexType.IsAbstract)
{
throw new InvalidOperationException(
"Type redefinition changes abstractness. (" + originalType.Name + ")");
}
string typeName = name.ToString();
DomNodeType nodeType;
if (m_nodeTypes.TryGetValue(typeName, out nodeType))
{
IList <XmlNode> annotations;
if (m_annotations.TryGetValue(nodeType, out annotations))
{
// Call protected virtual merge method - allowing clients to define if & how annotations are being merged
IEnumerable <XmlNode> mergedAnnotations = MergeRedefinedTypeAnnotations(
GetAnnotation(originalType),
annotations);
m_annotations[nodeType] = mergedAnnotations as IList <XmlNode> ?? mergedAnnotations.ToList();
}
}
}
}
}
internal XSRedefine(XmlSchemaRedefine redefine)
: this()
{
_redefine = redefine;
Content.Inserted -= Content_Inserted;
Content.Cleared -= Content_Cleared;
foreach (XmlSchemaObject xmlObject in _redefine.Items)
{
IXSComponent component = XMLSchemaSerializer.CreateInstance(xmlObject);
component.BindToContainer(RootContainer, this);
Components.Add(component);
Content.Add(component);
}
Content.Inserted += Content_Inserted;
Content.Cleared += Content_Cleared;
}
/// <summary>
/// Converts schemas to NodeTypes, AttributeTypes, and root elements</summary>
/// <param name="schemaSet">Schemas to register</param>
public void Load(XmlSchemaSet schemaSet)
{
if (!schemaSet.IsCompiled)
{
schemaSet.Compile();
}
System.Collections.ICollection schemas = schemaSet.Schemas();
foreach (XmlSchema schema in schemas)
{
string targetNamespace = schema.TargetNamespace;
if (string.IsNullOrEmpty(targetNamespace))
{
throw new InvalidOperationException("Schema has no target namespace");
}
// only register the schema once; targetNamespaces must be globally unique
if (!m_typeCollections.ContainsKey(targetNamespace))
{
XmlQualifiedName[] nameSpaces = schema.Namespaces.ToArray();
XmlSchemaTypeCollection typeCollection = new XmlSchemaTypeCollection(nameSpaces, targetNamespace, this);
m_typeCollections.Add(targetNamespace, typeCollection);
}
}
try
{
m_annotations = new Dictionary <NamedMetadata, IList <XmlNode> >();
m_typeNameSet = new HashSet <string>();
m_localElementSet = new Dictionary <XmlSchemaElement, XmlQualifiedName>();
// collect global element & type names so we do not generate local type names that collides with those
foreach (XmlSchemaElement element in schemaSet.GlobalElements.Values)
{
m_typeNameSet.Add(element.QualifiedName.Name);
}
foreach (XmlSchemaType type in schemaSet.GlobalTypes.Values)
{
if (type is XmlSchemaComplexType)
{
m_typeNameSet.Add(type.Name);
}
}
var substitutionGroups = new Multimap <XmlQualifiedName, ChildInfo>();
// Get types reachable from global elements
foreach (XmlSchemaElement element in schemaSet.GlobalElements.Values)
{
XmlSchemaType type = element.ElementSchemaType;
DomNodeType nodeType = GetNodeType(type, element);
ChildInfo childInfo = new ChildInfo(GetFieldName(element.QualifiedName), nodeType);
m_annotations.Add(childInfo, GetAnnotation(element));
// Keep list of substitution groups
if (!element.SubstitutionGroup.IsEmpty)
{
substitutionGroups.Add(element.SubstitutionGroup, childInfo);
}
// only add root elements once; root element names must be globally unique
string name = element.QualifiedName.ToString();
if (!m_rootElements.ContainsKey(name))
{
m_rootElements[name] = childInfo;
}
}
// Get global complex type definitions
foreach (XmlSchemaType type in schemaSet.GlobalTypes.Values)
{
if (type is XmlSchemaComplexType)
{
GetNodeType(type, null);
}
}
// Parse substitution groups
foreach (var kvp in m_refElements)
{
XmlQualifiedName refName = kvp.Value;
ChildInfo childInfo = kvp.Key;
var substitutions = CreateSubstitutions(substitutionGroups, refName).ToArray();
if (substitutions.Length > 0)
{
childInfo.AddRule(new SubstitutionGroupChildRule(substitutions));
}
}
// Preserve annotation from any types that were redefined
foreach (XmlSchema schema in schemas)
{
foreach (XmlSchemaObject schemaInclude in schema.Includes)
{
XmlSchemaRedefine schemaRedefine = schemaInclude as XmlSchemaRedefine;
if (schemaRedefine != null)
{
MergeRedefinedTypeAnnotations(schemaRedefine);
}
}
}
// Sort DomNodeTypes, so that base types are always before derived types
// Bucket sort by depth in the inheritance tree
// Time: O(n * d) with n = number of DomNodeTypes, d = depth of inheritance tree
var sortedTypes = new List <List <DomNodeType> >();
foreach (DomNodeType type in GetNodeTypes())
{
// Get inheritance depth of current type
int depth = 0;
DomNodeType curType = type;
while (curType != null && curType != DomNodeType.BaseOfAllTypes)
{
depth++;
curType = curType.BaseType;
}
// We don't need to merge annotations for BaseAllTypes (level 0)
// and its immediate child types (level 1)
int idx = depth - 2;
if (idx >= 0)
{
while (sortedTypes.Count <= idx)
{
sortedTypes.Add(new List <DomNodeType>());
}
sortedTypes[idx].Add(type);
}
}
// Merge type annotations with base type annotations
foreach (var list in sortedTypes)
{
foreach (DomNodeType type in list)
{
if (type.BaseType != null && type.BaseType != DomNodeType.BaseOfAllTypes)
{
IList <XmlNode> baseAnnotations;
IList <XmlNode> annotations;
if (m_annotations.TryGetValue(type.BaseType, out baseAnnotations) &&
m_annotations.TryGetValue(type, out annotations))
{
// Call protected virtual merge method - allowing clients to define if & how annotations are being merged
IEnumerable <XmlNode> mergedAnnotations = MergeInheritedTypeAnnotations(baseAnnotations, annotations);
m_annotations[type] = mergedAnnotations as IList <XmlNode> ?? mergedAnnotations.ToList();
}
}
}
}
// Call before the DomNodeTypes are frozen. Note that iterating through Attributes or
// calling 'SetIdAttribute' freezes the attributes on DomNodeType.
OnSchemaSetLoaded(schemaSet);
// Set up ID attributes where xs:ID has been specified
foreach (DomNodeType nodeType in GetNodeTypes())
{
foreach (var attribute in nodeType.Attributes.OfType <XmlAttributeInfo>())
{
if (((XmlAttributeType)attribute.Type).XmlTypeCode == XmlTypeCode.Id)
{
nodeType.SetIdAttribute(attribute.Name);
}
}
}
// Attach annotation as metadata to the associated type so that other classes can find it
foreach (var keyValuePair in m_annotations)
{
if (keyValuePair.Value.Count > 0)
{
keyValuePair.Key.SetTag <IEnumerable <XmlNode> >(keyValuePair.Value);
}
}
ParseAnnotations(schemaSet, m_annotations);
// Call this after the ID attributes have been set and after the DomNodeTypes are frozen.
OnDomNodeTypesFrozen(schemaSet);
}
finally
{
m_annotations = null;
m_typeNameSet = null;
m_localElementSet = null;
}
}
static void Check(ConformanceCheckContext ctx, ConformanceChecker checker, Hashtable visitedObjects, XmlSchemaObject value)
{
if (value == null)
{
return;
}
if (visitedObjects.Contains(value))
{
return;
}
visitedObjects.Add(value, value);
if (value is XmlSchemaImport)
{
XmlSchemaImport so = (XmlSchemaImport)value;
checker.Check(ctx, so);
}
else if (value is XmlSchemaAll)
{
XmlSchemaAll so = (XmlSchemaAll)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Items);
}
else if (value is XmlSchemaAnnotation)
{
XmlSchemaAnnotation so = (XmlSchemaAnnotation)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Items);
}
else if (value is XmlSchemaAttribute)
{
XmlSchemaAttribute so = (XmlSchemaAttribute)value;
checker.Check(ctx, so);
}
else if (value is XmlSchemaAttributeGroup)
{
XmlSchemaAttributeGroup so = (XmlSchemaAttributeGroup)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Attributes);
Check(ctx, checker, visitedObjects, so.AnyAttribute);
Check(ctx, checker, visitedObjects, so.RedefinedAttributeGroup);
}
else if (value is XmlSchemaAttributeGroupRef)
{
XmlSchemaAttributeGroupRef so = (XmlSchemaAttributeGroupRef)value;
checker.Check(ctx, so);
}
else if (value is XmlSchemaChoice)
{
XmlSchemaChoice so = (XmlSchemaChoice)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Items);
}
else if (value is XmlSchemaComplexContent)
{
XmlSchemaComplexContent so = (XmlSchemaComplexContent)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.Content);
}
else if (value is XmlSchemaComplexContentExtension)
{
XmlSchemaComplexContentExtension so = (XmlSchemaComplexContentExtension)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.Particle);
CheckObjects(ctx, checker, visitedObjects, so.Attributes);
Check(ctx, checker, visitedObjects, so.AnyAttribute);
}
else if (value is XmlSchemaComplexContentRestriction)
{
XmlSchemaComplexContentRestriction so = (XmlSchemaComplexContentRestriction)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.Particle);
CheckObjects(ctx, checker, visitedObjects, so.Attributes);
Check(ctx, checker, visitedObjects, so.AnyAttribute);
}
else if (value is XmlSchemaComplexType)
{
XmlSchemaComplexType so = (XmlSchemaComplexType)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.ContentModel);
Check(ctx, checker, visitedObjects, so.Particle);
CheckObjects(ctx, checker, visitedObjects, so.Attributes);
Check(ctx, checker, visitedObjects, so.AnyAttribute);
Check(ctx, checker, visitedObjects, so.ContentTypeParticle);
Check(ctx, checker, visitedObjects, so.AttributeWildcard);
}
else if (value is XmlSchemaElement)
{
XmlSchemaElement so = (XmlSchemaElement)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.SchemaType);
CheckObjects(ctx, checker, visitedObjects, so.Constraints);
}
else if (value is XmlSchemaGroup)
{
XmlSchemaGroup so = (XmlSchemaGroup)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.Particle);
}
else if (value is XmlSchemaGroupRef)
{
XmlSchemaGroupRef so = (XmlSchemaGroupRef)value;
checker.Check(ctx, so);
}
else if (value is XmlSchemaIdentityConstraint)
{
XmlSchemaIdentityConstraint so = (XmlSchemaIdentityConstraint)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Fields);
Check(ctx, checker, visitedObjects, so.Selector);
}
else if (value is XmlSchemaKeyref)
{
XmlSchemaKeyref so = (XmlSchemaKeyref)value;
checker.Check(ctx, so);
}
else if (value is XmlSchemaRedefine)
{
XmlSchemaRedefine so = (XmlSchemaRedefine)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Items);
}
else if (value is XmlSchemaSequence)
{
XmlSchemaSequence so = (XmlSchemaSequence)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Items);
}
else if (value is XmlSchemaSimpleContent)
{
XmlSchemaSimpleContent so = (XmlSchemaSimpleContent)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.Content);
}
else if (value is XmlSchemaSimpleContentExtension)
{
XmlSchemaSimpleContentExtension so = (XmlSchemaSimpleContentExtension)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Attributes);
Check(ctx, checker, visitedObjects, so.AnyAttribute);
}
else if (value is XmlSchemaSimpleContentRestriction)
{
XmlSchemaSimpleContentRestriction so = (XmlSchemaSimpleContentRestriction)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Attributes);
Check(ctx, checker, visitedObjects, so.AnyAttribute);
CheckObjects(ctx, checker, visitedObjects, so.Facets);
}
else if (value is XmlSchemaSimpleType)
{
XmlSchemaSimpleType so = (XmlSchemaSimpleType)value;
checker.Check(ctx, so);
Check(ctx, checker, visitedObjects, so.Content);
}
else if (value is XmlSchemaSimpleTypeList)
{
XmlSchemaSimpleTypeList so = (XmlSchemaSimpleTypeList)value;
checker.Check(ctx, so);
}
else if (value is XmlSchemaSimpleTypeRestriction)
{
XmlSchemaSimpleTypeRestriction so = (XmlSchemaSimpleTypeRestriction)value;
checker.Check(ctx, so);
CheckObjects(ctx, checker, visitedObjects, so.Facets);
}
else if (value is XmlSchemaSimpleTypeUnion)
{
XmlSchemaSimpleTypeUnion so = (XmlSchemaSimpleTypeUnion)value;
checker.Check(ctx, so);
}
}
public virtual void Check(ConformanceCheckContext ctx, XmlSchemaRedefine value)
{
}
private static void Equal(XmlSchemaRedefine expected, XmlSchemaRedefine actual)
{
throw new NotImplementedException();
}
private XSRedefine()
{
_redefine = new XmlSchemaRedefine();
Content = new XSComponentList(this);
}
protected virtual void Visit(XmlSchemaRedefine redefine)
{
}
protected override void Visit(XmlSchemaRedefine redefine)
{
TraverseExternalSchema(redefine);
}