Merge pull request #84 from John-Welch/master

Emit XmlElementAttribute for substitutionGroups with an abstract head…

Author: mganss

XmlSchemaClassGenerator/ModelBuilder.cs

@@ -96,6 +96,11 @@ public ModelBuilder(GeneratorConfiguration configuration, XmlSchemaSet set)
                     if (type is ClassModel classModel)
                     {
                         classModel.Documentation.AddRange(GetDocumentation(rootElement));
+                        if (!rootElement.SubstitutionGroup.IsEmpty)
+                        {
+                            classModel.IsSubstitution = true;
+                            classModel.SubstitutionName = rootElement.QualifiedName;
+                        }
                     }
 
                     type.RootElementName = rootElement.QualifiedName;

XmlSchemaClassGenerator/TypeModel.cs

@@ -225,6 +225,7 @@ public class ClassModel : TypeModel
         public bool IsAbstract { get; set; }
         public bool IsMixed { get; set; }
         public bool IsSubstitution { get; set; }
+        public XmlQualifiedName SubstitutionName { get; set; }
         public TypeModel BaseClass { get; set; }
         public List<PropertyModel> Properties { get; set; }
         public List<InterfaceModel> Interfaces { get; set; }
@@ -974,7 +975,7 @@ private IEnumerable<CodeAttributeDeclaration> GetAttributes(bool isArray)
                         foreach (var derivedType in derivedTypes)
                         {
                             var derivedAttribute = new CodeAttributeDeclaration(new CodeTypeReference(typeof(XmlElementAttribute), Configuration.CodeTypeReferenceOptions),
-                                new CodeAttributeArgument(new CodePrimitiveExpression(derivedType.XmlSchemaName.Name)),
+                                new CodeAttributeArgument(new CodePrimitiveExpression((derivedType.SubstitutionName ?? derivedType.XmlSchemaName).Name)),
                                 new CodeAttributeArgument("Type", new CodeTypeOfExpression(derivedType.GetReferenceFor(OwningType.Namespace, false))));
                             if (Order != null)
                             {