private XmlSchemaChoice GetSubstitutionChoice(XmlSchemaElement element)
{
if (substitutionGroupsTable == null)
{
BuildSubstitutionGroups();
}
if (substitutionGroupsTable != null)
{
SubstitutionGroupWrapper substitutionGroup = (SubstitutionGroupWrapper)substitutionGroupsTable[element.QualifiedName];
if (substitutionGroup != null) //Element is head of a substitutionGroup
{
XmlSchemaChoice choice = new XmlSchemaChoice();
foreach (XmlSchemaElement elem in substitutionGroup.Members)
{
choice.Items.Add(elem);
}
XmlSchemaElement headElement = (XmlSchemaElement)schemaSet.GlobalElements[element.QualifiedName];
if (headElement.IsAbstract) //Should not generate the abstract element
{
choice.Items.Remove(headElement);
}
choice.MinOccurs = element.MinOccurs;
choice.MaxOccurs = element.MaxOccurs;
return(choice);
}
}
return(null);
}
private void BuildSubstitutionGroups()
{
foreach (XmlSchemaElement element in schemaSet.GlobalElements.Values)
{
XmlQualifiedName head = element.SubstitutionGroup;
if (!head.IsEmpty)
{
if (substitutionGroupsTable == null)
{
substitutionGroupsTable = new Hashtable();
}
SubstitutionGroupWrapper substitutionGroup = (SubstitutionGroupWrapper)substitutionGroupsTable[head];
if (substitutionGroup == null)
{
substitutionGroup = new SubstitutionGroupWrapper();
substitutionGroup.Head = head;
substitutionGroupsTable.Add(head, substitutionGroup);
}
ArrayList members = substitutionGroup.Members;
if (!members.Contains(element)) //Members might contain element if the same schema is included and imported through different paths. Imp, hence will be added to set directly
{
members.Add(element);
}
}
}
if (substitutionGroupsTable != null) //There were subst grps in the schema
{
foreach (SubstitutionGroupWrapper substGroup in substitutionGroupsTable.Values)
{
ResolveSubstitutionGroup(substGroup);
}
}
}
private void ResolveSubstitutionGroup(SubstitutionGroupWrapper substitutionGroup)
{
ArrayList newMembers = null;
XmlSchemaElement headElement = (XmlSchemaElement)schemaSet.GlobalElements[substitutionGroup.Head];
if (substitutionGroup.Members.Contains(headElement)) // already checked
{
return;
}
foreach (XmlSchemaElement element in substitutionGroup.Members)
{
//Chain to other head's that are members of this head's substGroup
SubstitutionGroupWrapper g = (SubstitutionGroupWrapper)substitutionGroupsTable[element.QualifiedName];
if (g != null)
{
ResolveSubstitutionGroup(g);
foreach (XmlSchemaElement element1 in g.Members)
{
if (element1 != element) //Exclude the head
{
if (newMembers == null)
{
newMembers = new ArrayList();
}
newMembers.Add(element1);
}
}
}
}
if (newMembers != null)
{
foreach (XmlSchemaElement newMember in newMembers)
{
substitutionGroup.Members.Add(newMember);
}
}
substitutionGroup.Members.Add(headElement);
}
private void ResolveSubstitutionGroup(SubstitutionGroupWrapper substitutionGroup)
{
ArrayList newMembers = null;
XmlSchemaElement headElement = (XmlSchemaElement)schemaSet.GlobalElements[substitutionGroup.Head];
if (substitutionGroup.Members.Contains(headElement)) {// already checked
return;
}
foreach (XmlSchemaElement element in substitutionGroup.Members) {
//Chain to other head's that are members of this head's substGroup
SubstitutionGroupWrapper g = (SubstitutionGroupWrapper)substitutionGroupsTable[element.QualifiedName];
if (g != null) {
ResolveSubstitutionGroup(g);
foreach (XmlSchemaElement element1 in g.Members) {
if (element1 != element) { //Exclude the head
if (newMembers == null) {
newMembers = new ArrayList();
}
newMembers.Add(element1);
}
}
}
}
if (newMembers != null) {
foreach (XmlSchemaElement newMember in newMembers) {
substitutionGroup.Members.Add(newMember);
}
}
substitutionGroup.Members.Add(headElement);
}
private void BuildSubstitutionGroups()
{
foreach (XmlSchemaElement element in schemaSet.GlobalElements.Values) {
XmlQualifiedName head = element.SubstitutionGroup;
if (!head.IsEmpty) {
if (substitutionGroupsTable == null) {
substitutionGroupsTable = new Hashtable();
}
SubstitutionGroupWrapper substitutionGroup = (SubstitutionGroupWrapper)substitutionGroupsTable[head];
if (substitutionGroup == null) {
substitutionGroup = new SubstitutionGroupWrapper();
substitutionGroup.Head = head;
substitutionGroupsTable.Add(head, substitutionGroup);
}
ArrayList members = substitutionGroup.Members;
if (!members.Contains(element)) { //Members might contain element if the same schema is included and imported through different paths. Imp, hence will be added to set directly
members.Add(element);
}
}
}
if (substitutionGroupsTable != null) { //There were subst grps in the schema
foreach(SubstitutionGroupWrapper substGroup in substitutionGroupsTable.Values) {
ResolveSubstitutionGroup(substGroup);
}
}
}
