internal void SetContentModel(TextAccessor text, bool hasElements)
 {
     if ((this.BaseMapping == null) || this.BaseMapping.TypeDesc.IsRoot)
     {
         this.hasSimpleContent = (!hasElements && (text != null)) && !text.Mapping.IsList;
     }
     else if (this.BaseMapping.HasSimpleContent)
     {
         if ((text != null) || hasElements)
         {
             throw new InvalidOperationException(Res.GetString("XmlIllegalSimpleContentExtension", new object[] { base.TypeDesc.FullName, this.BaseMapping.TypeDesc.FullName }));
         }
         this.hasSimpleContent = true;
     }
     else
     {
         this.hasSimpleContent = false;
     }
     if ((!this.hasSimpleContent && (text != null)) && !text.Mapping.TypeDesc.CanBeTextValue)
     {
         throw new InvalidOperationException(Res.GetString("XmlIllegalTypedTextAttribute", new object[] { base.TypeDesc.FullName, text.Name, text.Mapping.TypeDesc.FullName }));
     }
 }

 private void ImportTextMember(CodeIdentifiers members, CodeIdentifiers membersScope, XmlQualifiedName simpleContentType)
 {
     TypeMapping defaultMapping;
     bool flag = false;
     if (simpleContentType != null)
     {
         defaultMapping = this.ImportType(simpleContentType, typeof(TypeMapping), null, TypeFlags.CanBeElementValue | TypeFlags.CanBeTextValue, false);
         if (!(defaultMapping is PrimitiveMapping) && !defaultMapping.TypeDesc.CanBeTextValue)
         {
             return;
         }
     }
     else
     {
         flag = true;
         defaultMapping = this.GetDefaultMapping(TypeFlags.CanBeElementValue | TypeFlags.CanBeTextValue);
     }
     TextAccessor accessor = new TextAccessor {
         Mapping = defaultMapping
     };
     MemberMapping mapping2 = new MemberMapping {
         Elements = new ElementAccessor[0],
         Text = accessor
     };
     if (flag)
     {
         mapping2.TypeDesc = accessor.Mapping.TypeDesc.CreateArrayTypeDesc();
         mapping2.Name = members.MakeRightCase("Text");
     }
     else
     {
         PrimitiveMapping mapping = (PrimitiveMapping) accessor.Mapping;
         if (mapping.IsList)
         {
             mapping2.TypeDesc = accessor.Mapping.TypeDesc.CreateArrayTypeDesc();
             mapping2.Name = members.MakeRightCase("Text");
         }
         else
         {
             mapping2.TypeDesc = accessor.Mapping.TypeDesc;
             mapping2.Name = members.MakeRightCase("Value");
         }
     }
     mapping2.Name = membersScope.AddUnique(mapping2.Name, mapping2);
     members.Add(mapping2.Name, mapping2);
 }

        void WriteElements(string source, string enumSource, ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, string arrayName, bool writeAccessors, bool isNullable) {
            if (elements.Length == 0 && text == null) return;
            if (elements.Length == 1 && text == null) {
                TypeDesc td = elements[0].IsUnbounded ? elements[0].Mapping.TypeDesc.CreateArrayTypeDesc() : elements[0].Mapping.TypeDesc;
                if (!elements[0].Any && !elements[0].Mapping.TypeDesc.UseReflection && !elements[0].Mapping.TypeDesc.IsOptionalValue)
                    source = "(("+td.CSharpName+")"+ source+")";
                WriteElement(source, elements[0], arrayName, writeAccessors);
            }
            else {
                if (isNullable && choice == null) {
                    Writer.Write("if ((object)(");
                    Writer.Write(source);
                    Writer.Write(") != null)");
                }
                Writer.WriteLine("{");
                Writer.Indent++;
                int anyCount = 0;
                ArrayList namedAnys = new ArrayList();
                ElementAccessor unnamedAny = null; // can only have one
                bool wroteFirstIf = false;
                string enumTypeName = choice == null ? null : choice.Mapping.TypeDesc.FullName;

                for (int i = 0; i < elements.Length; i++) {
                    ElementAccessor element = elements[i];

                    if (element.Any) {
                        anyCount++;
                        if (element.Name != null && element.Name.Length > 0)
                            namedAnys.Add(element);
                        else if (unnamedAny == null)
                            unnamedAny = element;
                    }
                    else if (choice != null) {
                        bool useReflection = element.Mapping.TypeDesc.UseReflection;
                        string fullTypeName = element.Mapping.TypeDesc.CSharpName;
                        bool enumUseReflection = choice.Mapping.TypeDesc.UseReflection;
                        string enumFullName = (enumUseReflection?"":enumTypeName + "[email protected]") + FindChoiceEnumValue(element, (EnumMapping)choice.Mapping, enumUseReflection);

                        if (wroteFirstIf) Writer.Write("else ");
                        else wroteFirstIf = true;
                        Writer.Write("if (");
                        Writer.Write(enumUseReflection?RaCodeGen.GetStringForEnumLongValue(enumSource, enumUseReflection):enumSource);
                        Writer.Write(" == ");
                        Writer.Write(enumFullName);
                        if (isNullable && !element.IsNullable) {
                            Writer.Write(" && ((object)(");
                            Writer.Write(source);
                            Writer.Write(") != null)");
                        }
                        Writer.WriteLine(") {");
                        Writer.Indent++;

                        WriteChoiceTypeCheck(source, fullTypeName, useReflection, choice, enumFullName, element.Mapping.TypeDesc);

                        string castedSource = source;
                        if (!useReflection)
                            castedSource = "(("+fullTypeName+")"+ source+")";
                        WriteElement(element.Any ? source : castedSource, element, arrayName, writeAccessors);
                        Writer.Indent--;
                        Writer.WriteLine("}");
                    }
                    else {
                        bool useReflection = element.Mapping.TypeDesc.UseReflection;
                        TypeDesc td = element.IsUnbounded ? element.Mapping.TypeDesc.CreateArrayTypeDesc() : element.Mapping.TypeDesc;
                        string fullTypeName = td.CSharpName;
                        if (wroteFirstIf) Writer.Write("else ");
                        else wroteFirstIf = true;
                        Writer.Write("if (");
                        WriteInstanceOf(source, fullTypeName, useReflection);
                        Writer.WriteLine(") {");
                        Writer.Indent++;
                        string castedSource = source;
                        if (!useReflection)
                            castedSource = "(("+fullTypeName+")"+ source+")";
                        WriteElement(element.Any ? source : castedSource, element, arrayName, writeAccessors);
                        Writer.Indent--;
                        Writer.WriteLine("}");
                    }
                }
                if (anyCount > 0) {
                    if (elements.Length - anyCount > 0) Writer.Write("else ");
                    
                    string fullTypeName = typeof(XmlElement).FullName;

                    Writer.Write("if (");
                    Writer.Write(source);
                    Writer.Write(" is ");
                    Writer.Write(fullTypeName);
                    Writer.WriteLine(") {");
                    Writer.Indent++;

                    Writer.Write(fullTypeName);
                    Writer.Write(" elem = (");
                    Writer.Write(fullTypeName);
                    Writer.Write(")");
                    Writer.Write(source);
                    Writer.WriteLine(";");
                    
                    int c = 0;

//.........这里部分代码省略.........

        void WriteArrayItems(ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc arrayTypeDesc, string arrayName, string choiceName) {
            TypeDesc arrayElementTypeDesc = arrayTypeDesc.ArrayElementTypeDesc;

            if (arrayTypeDesc.IsEnumerable) {
                Writer.Write(typeof(IEnumerator).FullName);
                Writer.Write(" e = ");
                if (arrayTypeDesc.IsPrivateImplementation) {
                    Writer.Write("((");
                    Writer.Write(typeof(IEnumerable).FullName);
                    Writer.Write(")");
                    Writer.Write(arrayName);
                    Writer.WriteLine(").GetEnumerator();");
                }
                else if(arrayTypeDesc.IsGenericInterface) {
                    if (arrayTypeDesc.UseReflection) {
                        // we use wildcard method name for generic GetEnumerator method, so we cannot use GetStringForMethodInvoke call here
                        Writer.Write("(");
                        Writer.Write(typeof(IEnumerator).FullName);
                        Writer.Write(")");
                        Writer.Write(RaCodeGen.GetReflectionVariable(arrayTypeDesc.CSharpName, "System.Collections.Generic.IEnumerable*"));
                        Writer.Write(".Invoke(");
                        Writer.Write(arrayName);
                        Writer.WriteLine(", new object[0]);");
                    }
                    else {
                        Writer.Write("((System.Collections.Generic.IEnumerable<");
                        Writer.Write(arrayElementTypeDesc.CSharpName);
                        Writer.Write(">)");
                        Writer.Write(arrayName);
                        Writer.WriteLine(").GetEnumerator();");
                    }
                }
                else {
                    if (arrayTypeDesc.UseReflection) {
                        Writer.Write("(");
                        Writer.Write(typeof(IEnumerator).FullName);
                        Writer.Write(")");
                    }
                    Writer.Write(RaCodeGen.GetStringForMethodInvoke(arrayName, arrayTypeDesc.CSharpName, "GetEnumerator", arrayTypeDesc.UseReflection));
                    Writer.WriteLine(";");
                }
                Writer.WriteLine("if (e != null)");
                Writer.WriteLine("while (e.MoveNext()) {");
                Writer.Indent++;
                string arrayTypeFullName = arrayElementTypeDesc.CSharpName;
                WriteLocalDecl(arrayTypeFullName, arrayName+"i", "e.Current", arrayElementTypeDesc.UseReflection);
                WriteElements(arrayName + "i", choiceName + "i", elements, text, choice, arrayName + "a", true, true);
            }
            else {
                Writer.Write("for (int i");
                Writer.Write(arrayName);
                Writer.Write(" = 0; i");
                Writer.Write(arrayName);
                Writer.Write(" < ");
                if (arrayTypeDesc.IsArray) {
                    Writer.Write(arrayName);
                    Writer.Write(".Length");
                }
                else {
                    Writer.Write("((");
                    Writer.Write(typeof(ICollection).FullName);
                    Writer.Write(")");
                    Writer.Write(arrayName);
                    Writer.Write(").Count");
                }
                Writer.Write("; i");
                Writer.Write(arrayName);
                Writer.WriteLine("++) {");
                Writer.Indent++;
                int count = elements.Length + (text == null ? 0 : 1);
                if (count > 1) {
                    string arrayTypeFullName = arrayElementTypeDesc.CSharpName;
                    WriteLocalDecl(arrayTypeFullName, arrayName+"i", RaCodeGen.GetStringForArrayMember(arrayName, "i"+arrayName, arrayTypeDesc), arrayElementTypeDesc.UseReflection);
                    if (choice != null) {
                        string choiceFullName = choice.Mapping.TypeDesc.CSharpName;
                        WriteLocalDecl(choiceFullName, choiceName+"i", RaCodeGen.GetStringForArrayMember(choiceName, "i"+arrayName, choice.Mapping.TypeDesc), choice.Mapping.TypeDesc.UseReflection);
                    }
                    WriteElements(arrayName + "i", choiceName + "i", elements, text, choice, arrayName + "a", true, arrayElementTypeDesc.IsNullable);
                }
                else {
                    WriteElements(RaCodeGen.GetStringForArrayMember(arrayName , "i" + arrayName, arrayTypeDesc), elements, text, choice, arrayName + "a", true, arrayElementTypeDesc.IsNullable);
                }
            }
            Writer.Indent--;
            Writer.WriteLine("}");
        }

 void WriteMember(string source, string choiceSource, ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc memberTypeDesc, bool writeAccessors) {
     if (memberTypeDesc.IsArrayLike && 
         !(elements.Length == 1 && elements[0].Mapping is ArrayMapping))
         WriteArray(source, choiceSource, elements, text, choice, memberTypeDesc);
     else
         WriteElements(source, choiceSource, elements, text, choice, "a", writeAccessors, memberTypeDesc.IsNullable);
 }

 internal void SetContentModel(TextAccessor text, bool hasElements)
 {
     if (BaseMapping == null || BaseMapping.TypeDesc.IsRoot)
     {
         _hasSimpleContent = !hasElements && text != null && !text.Mapping.IsList;
     }
     else if (BaseMapping.HasSimpleContent)
     {
         if (text != null || hasElements)
         {
             // we can only extent a simleContent type with attributes
             throw new InvalidOperationException(SR.Format(SR.XmlIllegalSimpleContentExtension, TypeDesc.FullName, BaseMapping.TypeDesc.FullName));
         }
         else
         {
             _hasSimpleContent = true;
         }
     }
     else
     {
         _hasSimpleContent = false;
     }
     if (!_hasSimpleContent && text != null && !text.Mapping.TypeDesc.CanBeTextValue)
     {
         throw new InvalidOperationException(SR.Format(SR.XmlIllegalTypedTextAttribute, TypeDesc.FullName, text.Name, text.Mapping.TypeDesc.FullName));
     }
 }

        private void WriteText(object o, TextAccessor text)
        {
            if (text.Mapping is PrimitiveMapping)
            {
                PrimitiveMapping mapping = (PrimitiveMapping)text.Mapping;
                string stringValue;
                if (text.Mapping is EnumMapping)
                {
                    stringValue = WriteEnumMethod((EnumMapping)mapping, o);

                }
                else
                {
                    if (!WritePrimitiveValue(mapping.TypeDesc, o, false, out stringValue))
                    {
                        // #10593: Add More Tests for Serialization Code
                        Debug.Assert(o is byte[]);
                    }
                }

                if (o is byte[])
                {
                    WriteValue((byte[])o);
                }
                else
                {
                    WriteValue(stringValue);
                }
            }
            else if (text.Mapping is SpecialMapping)
            {
                SpecialMapping mapping = (SpecialMapping)text.Mapping;
                switch (mapping.TypeDesc.Kind)
                {
                    case TypeKind.Node:
                        ((XmlNode)o).WriteTo(Writer);
                        break;
                    default:
                        throw new InvalidOperationException(SR.Format(SR.XmlInternalError));
                }
            }
        }

        private void WriteArrayItems(ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc arrayTypeDesc, object o)
        {
            TypeDesc arrayElementTypeDesc = arrayTypeDesc.ArrayElementTypeDesc;

            var a = o as IEnumerable;

            //  #10593: This assert may not be true. We need more tests for this method.
            Debug.Assert(a != null);

            var e = a.GetEnumerator();

            if (e != null)
            {
                while (e.MoveNext())
                {
                    object ai = e.Current;
                    WriteElements(ai, null/*choiceName + "i"*/, elements, text, choice, (string)null/*arrayName + "a"*/, true, true);
                }
            }
        }

        private void WriteArray(SourceInfo source, string choiceSource, ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc arrayTypeDesc)
        {
            if (elements.Length == 0 && text == null) return;
            string arrayTypeName = arrayTypeDesc.CSharpName;
            string aName = "a" + arrayTypeDesc.Name;
            WriteArrayLocalDecl(arrayTypeName, aName, source, arrayTypeDesc);
            LocalBuilder aLoc = ilg.GetLocal(aName);
            if (arrayTypeDesc.IsNullable)
            {
                ilg.Ldloc(aLoc);
                ilg.Load(null);
                ilg.If(Cmp.NotEqualTo);
            }

            string cName = null;
            if (choice != null)
            {
                string choiceFullName = choice.Mapping.TypeDesc.CSharpName;
                SourceInfo choiceSourceInfo = new SourceInfo(choiceSource, null, choice.MemberInfo, null, ilg);
                cName = "c" + choice.Mapping.TypeDesc.Name;
                WriteArrayLocalDecl(choiceFullName + "[]", cName, choiceSourceInfo, choice.Mapping.TypeDesc);
                // write check for the choice identifier array
                Label labelEnd = ilg.DefineLabel();
                Label labelTrue = ilg.DefineLabel();
                LocalBuilder cLoc = ilg.GetLocal(cName);
                ilg.Ldloc(cLoc);
                ilg.Load(null);
                ilg.Beq(labelTrue);
                ilg.Ldloc(cLoc);
                ilg.Ldlen();
                ilg.Ldloc(aLoc);
                ilg.Ldlen();
                ilg.Clt();
                ilg.Br(labelEnd);
                ilg.MarkLabel(labelTrue);
                ilg.Ldc(true);
                ilg.MarkLabel(labelEnd);
                ilg.If();
                MethodInfo XmlSerializationWriter_CreateInvalidChoiceIdentifierValueException = typeof(XmlSerializationWriter).GetMethod(
                    "CreateInvalidChoiceIdentifierValueException",
                    CodeGenerator.InstanceBindingFlags,
                    new Type[] { typeof(String), typeof(String) }
                    );
                ilg.Ldarg(0);
                ilg.Ldstr(GetCSharpString(choice.Mapping.TypeDesc.FullName));
                ilg.Ldstr(GetCSharpString(choice.MemberName));
                ilg.Call(XmlSerializationWriter_CreateInvalidChoiceIdentifierValueException);
                ilg.Throw();
                ilg.EndIf();
            }

            WriteArrayItems(elements, text, choice, arrayTypeDesc, aName, cName);
            if (arrayTypeDesc.IsNullable)
            {
                ilg.EndIf();
            }
        }

 private void WriteMember(SourceInfo source, string choiceSource, ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc memberTypeDesc, bool writeAccessors)
 {
     if (memberTypeDesc.IsArrayLike &&
         !(elements.Length == 1 && elements[0].Mapping is ArrayMapping))
         WriteArray(source, choiceSource, elements, text, choice, memberTypeDesc);
     else
         // NOTE: Use different variable name to work around reuse same variable name in different scope
         WriteElements(source, choiceSource, elements, text, choice, "a" + memberTypeDesc.Name, writeAccessors, memberTypeDesc.IsNullable);
 }

        private MemberMapping ImportAnyMember(XmlSchemaAny any, string identifier, CodeIdentifiers members, CodeIdentifiers membersScope, INameScope elementsScope, string ns, ref bool mixed, ref bool needExplicitOrder, bool allowDuplicates)
        {
            ElementAccessor[] accessors = ImportAny(any, !mixed, ns);
            AddScopeElements(elementsScope, accessors, ref needExplicitOrder, allowDuplicates);
            MemberMapping member = new MemberMapping();
            member.Elements = accessors;
            member.Name = membersScope.MakeRightCase("Any");
            member.Name = membersScope.AddUnique(member.Name, member);
            members.Add(member.Name, member);
            member.TypeDesc = ((TypeMapping)accessors[0].Mapping).TypeDesc;

            bool repeats = any.IsMultipleOccurrence;

            if (mixed)
            {
                SpecialMapping textMapping = new SpecialMapping();
                textMapping.TypeDesc = Scope.GetTypeDesc(typeof(XmlNode));
                textMapping.TypeName = textMapping.TypeDesc.Name;
                member.TypeDesc = textMapping.TypeDesc;
                TextAccessor text = new TextAccessor();
                text.Mapping = textMapping;
                member.Text = text;
                repeats = true;
                mixed = false;
            }

            if (repeats)
            {
                member.TypeDesc = member.TypeDesc.CreateArrayTypeDesc();
            }
            return member;
        }

        void WriteArrayItems(ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc arrayTypeDesc, string arrayName, string choiceName)
        {
            TypeDesc arrayElementTypeDesc = arrayTypeDesc.ArrayElementTypeDesc;

            // The logic here is that
            // 1) Try to get the public "GetEnumerator" method. If the method exists, then use this method.
            // 2) If there's no public method exist, check if the type implemented IEnumerable<T>. If so, call the explicit method
            // 3) Otherwise, call the IEnumerable.GetEnumerator method
            if (arrayTypeDesc.IsEnumerable)
            {
                LocalBuilder eLoc = ilg.DeclareLocal(typeof(IEnumerator), "e");
                MethodInfo getEnumeratorMethod = arrayTypeDesc.Type.GetMethod(
                    "GetEnumerator",
                    CodeGenerator.InstancePublicBindingFlags,
                    null,
                    CodeGenerator.EmptyTypeArray,
                    null);


                if (getEnumeratorMethod != null && typeof(IEnumerator).IsAssignableFrom(getEnumeratorMethod.ReturnType))
                {
                    ilg.LoadAddress(ilg.GetVariable(arrayName));
                }
                else
                {
                    ilg.Load(ilg.GetVariable(arrayName));
                    Type typeIEnumerable = arrayTypeDesc.IsGenericInterface ? typeof(IEnumerable<>).MakeGenericType(arrayElementTypeDesc.Type) : typeof(IEnumerable);

                    getEnumeratorMethod = typeIEnumerable.GetMethod(
                        "GetEnumerator",
                        CodeGenerator.InstanceBindingFlags,
                        null,
                        CodeGenerator.EmptyTypeArray,
                        null);

                    ilg.ConvertValue(arrayTypeDesc.Type, typeIEnumerable);
                }

                ilg.Call(getEnumeratorMethod);
                ilg.ConvertValue(getEnumeratorMethod.ReturnType, typeof(IEnumerator));
                ilg.Stloc(eLoc);

                ilg.Ldloc(eLoc);
                ilg.Load(null);
                ilg.If(Cmp.NotEqualTo);
                ilg.WhileBegin();
                string arrayNamePlusA = (arrayName).Replace(arrayTypeDesc.Name, "") + "a" + arrayElementTypeDesc.Name;
                string arrayNamePlusI = (arrayName).Replace(arrayTypeDesc.Name, "") + "i" + arrayElementTypeDesc.Name;
                WriteLocalDecl(arrayNamePlusI, "e.Current", arrayElementTypeDesc.Type);
                WriteElements(new SourceInfo(arrayNamePlusI, null, null, arrayElementTypeDesc.Type, ilg), choiceName + "i", elements, text, choice, arrayNamePlusA, true, true);

                ilg.WhileBeginCondition(); // while (e.MoveNext())
                MethodInfo IEnumerator_MoveNext = typeof(IEnumerator).GetMethod(
                    "MoveNext",
                    CodeGenerator.InstanceBindingFlags,
                    null,
                    CodeGenerator.EmptyTypeArray,
                    null
                    );
                ilg.Ldloc(eLoc);
                ilg.Call(IEnumerator_MoveNext);
                ilg.WhileEndCondition();
                ilg.WhileEnd();

                ilg.EndIf(); // if (e != null)
            }
            else {
                // Filter out type specific for index (code match reusing local).
                string iPlusArrayName = "i" + (arrayName).Replace(arrayTypeDesc.Name, "");
                string arrayNamePlusA = (arrayName).Replace(arrayTypeDesc.Name, "") + "a" + arrayElementTypeDesc.Name;
                string arrayNamePlusI = (arrayName).Replace(arrayTypeDesc.Name, "") + "i" + arrayElementTypeDesc.Name;
                LocalBuilder localI = ilg.DeclareOrGetLocal(typeof(Int32), iPlusArrayName);
                ilg.For(localI, 0, ilg.GetLocal(arrayName));
                int count = elements.Length + (text == null ? 0 : 1);
                if (count > 1) {
                    WriteLocalDecl(arrayNamePlusI, RaCodeGen.GetStringForArrayMember(arrayName, iPlusArrayName, arrayTypeDesc), arrayElementTypeDesc.Type);
                    if (choice != null) {
                        WriteLocalDecl(choiceName + "i", RaCodeGen.GetStringForArrayMember(choiceName, iPlusArrayName, choice.Mapping.TypeDesc), choice.Mapping.TypeDesc.Type);
                    }
                    WriteElements(new SourceInfo(arrayNamePlusI, null, null, arrayElementTypeDesc.Type, ilg), choiceName + "i", elements, text, choice, arrayNamePlusA, true, arrayElementTypeDesc.IsNullable);
                }
                else {
                    WriteElements(new SourceInfo(RaCodeGen.GetStringForArrayMember(arrayName, iPlusArrayName, arrayTypeDesc), null, null, arrayElementTypeDesc.Type, ilg), null, elements, text, choice, arrayNamePlusA, true, arrayElementTypeDesc.IsNullable);
                }
                ilg.EndFor();
            }
        }

 private void ImportAccessorMapping(MemberMapping accessor, FieldModel model, XmlAttributes a, string ns, Type choiceIdentifierType, bool rpc, bool openModel, RecursionLimiter limiter)
 {
     XmlSchemaForm qualified = XmlSchemaForm.Qualified;
     int arrayNestingLevel = this.arrayNestingLevel;
     int order = -1;
     XmlArrayItemAttributes savedArrayItemAttributes = this.savedArrayItemAttributes;
     string savedArrayNamespace = this.savedArrayNamespace;
     this.arrayNestingLevel = 0;
     this.savedArrayItemAttributes = null;
     this.savedArrayNamespace = null;
     Type fieldType = model.FieldType;
     string name = model.Name;
     ArrayList list = new ArrayList();
     System.Xml.Serialization.NameTable scope = new System.Xml.Serialization.NameTable();
     accessor.TypeDesc = this.typeScope.GetTypeDesc(fieldType);
     XmlAttributeFlags xmlFlags = a.XmlFlags;
     accessor.Ignore = a.XmlIgnore;
     if (rpc)
     {
         this.CheckTopLevelAttributes(a, name);
     }
     else
     {
         this.CheckAmbiguousChoice(a, fieldType, name);
     }
     XmlAttributeFlags flags2 = XmlAttributeFlags.ChoiceIdentifier | XmlAttributeFlags.AnyElements | XmlAttributeFlags.Elements | XmlAttributeFlags.Text;
     XmlAttributeFlags flags3 = XmlAttributeFlags.AnyAttribute | XmlAttributeFlags.Attribute;
     XmlAttributeFlags flags4 = XmlAttributeFlags.ArrayItems | XmlAttributeFlags.Array;
     if (((xmlFlags & flags4) != ((XmlAttributeFlags) 0)) && (fieldType == typeof(byte[])))
     {
         accessor.TypeDesc = this.typeScope.GetArrayTypeDesc(fieldType);
     }
     if (a.XmlChoiceIdentifier != null)
     {
         accessor.ChoiceIdentifier = new ChoiceIdentifierAccessor();
         accessor.ChoiceIdentifier.MemberName = a.XmlChoiceIdentifier.MemberName;
         accessor.ChoiceIdentifier.Mapping = this.ImportTypeMapping(this.modelScope.GetTypeModel(choiceIdentifierType), ns, ImportContext.Element, string.Empty, null, limiter);
         this.CheckChoiceIdentifierMapping((EnumMapping) accessor.ChoiceIdentifier.Mapping);
     }
     if (accessor.TypeDesc.IsArrayLike)
     {
         Type arrayElementType = TypeScope.GetArrayElementType(fieldType, model.FieldTypeDesc.FullName + "." + model.Name);
         if ((xmlFlags & flags3) != ((XmlAttributeFlags) 0))
         {
             if ((xmlFlags & flags3) != xmlFlags)
             {
                 throw new InvalidOperationException(Res.GetString("XmlIllegalAttributesArrayAttribute"));
             }
             if (((a.XmlAttribute != null) && !accessor.TypeDesc.ArrayElementTypeDesc.IsPrimitive) && !accessor.TypeDesc.ArrayElementTypeDesc.IsEnum)
             {
                 if (accessor.TypeDesc.ArrayElementTypeDesc.Kind == TypeKind.Serializable)
                 {
                     throw new InvalidOperationException(Res.GetString("XmlIllegalAttrOrTextInterface", new object[] { name, accessor.TypeDesc.ArrayElementTypeDesc.FullName, typeof(IXmlSerializable).Name }));
                 }
                 throw new InvalidOperationException(Res.GetString("XmlIllegalAttrOrText", new object[] { name, accessor.TypeDesc.ArrayElementTypeDesc.FullName }));
             }
             bool repeats = (a.XmlAttribute != null) && (accessor.TypeDesc.ArrayElementTypeDesc.IsPrimitive || accessor.TypeDesc.ArrayElementTypeDesc.IsEnum);
             if (a.XmlAnyAttribute != null)
             {
                 a.XmlAttribute = new XmlAttributeAttribute();
             }
             AttributeAccessor accessor2 = new AttributeAccessor();
             Type type = (a.XmlAttribute.Type == null) ? arrayElementType : a.XmlAttribute.Type;
             this.typeScope.GetTypeDesc(type);
             accessor2.Name = Accessor.EscapeQName((a.XmlAttribute.AttributeName.Length == 0) ? name : a.XmlAttribute.AttributeName);
             accessor2.Namespace = (a.XmlAttribute.Namespace == null) ? ns : a.XmlAttribute.Namespace;
             accessor2.Form = a.XmlAttribute.Form;
             if ((accessor2.Form == XmlSchemaForm.None) && (ns != accessor2.Namespace))
             {
                 accessor2.Form = XmlSchemaForm.Qualified;
             }
             accessor2.CheckSpecial();
             CheckForm(accessor2.Form, ns != accessor2.Namespace);
             accessor2.Mapping = this.ImportTypeMapping(this.modelScope.GetTypeModel(type), ns, ImportContext.Attribute, a.XmlAttribute.DataType, null, repeats, false, limiter);
             accessor2.IsList = repeats;
             accessor2.Default = this.GetDefaultValue(model.FieldTypeDesc, model.FieldType, a);
             accessor2.Any = a.XmlAnyAttribute != null;
             if ((accessor2.Form == XmlSchemaForm.Qualified) && (accessor2.Namespace != ns))
             {
                 if (this.xsdAttributes == null)
                 {
                     this.xsdAttributes = new System.Xml.Serialization.NameTable();
                 }
                 accessor2 = (AttributeAccessor) this.ReconcileAccessor(accessor2, this.xsdAttributes);
             }
             accessor.Attribute = accessor2;
         }
         else if ((xmlFlags & flags2) != ((XmlAttributeFlags) 0))
         {
             if ((xmlFlags & flags2) != xmlFlags)
             {
                 throw new InvalidOperationException(Res.GetString("XmlIllegalElementsArrayAttribute"));
             }
             if (a.XmlText != null)
             {
                 TextAccessor accessor3 = new TextAccessor();
                 Type type4 = (a.XmlText.Type == null) ? arrayElementType : a.XmlText.Type;
                 TypeDesc typeDesc = this.typeScope.GetTypeDesc(type4);
                 accessor3.Name = name;
                 accessor3.Mapping = this.ImportTypeMapping(this.modelScope.GetTypeModel(type4), ns, ImportContext.Text, a.XmlText.DataType, null, true, false, limiter);
//.........这里部分代码省略.........

 private MemberMapping ImportAnyMember(XmlSchemaAny any, string identifier, CodeIdentifiers members, CodeIdentifiers membersScope, INameScope elementsScope, string ns, ref bool mixed, ref bool needExplicitOrder, bool allowDuplicates)
 {
     MemberMapping mapping;
     ElementAccessor[] elements = this.ImportAny(any, !mixed, ns);
     this.AddScopeElements(elementsScope, elements, ref needExplicitOrder, allowDuplicates);
     mapping = new MemberMapping {
         Elements = elements,
         Name = membersScope.MakeRightCase("Any"),
         Name = membersScope.AddUnique(mapping.Name, mapping)
     };
     members.Add(mapping.Name, mapping);
     mapping.TypeDesc = elements[0].Mapping.TypeDesc;
     bool isMultipleOccurrence = any.IsMultipleOccurrence;
     if (mixed)
     {
         SpecialMapping mapping2;
         mapping2 = new SpecialMapping {
             TypeDesc = base.Scope.GetTypeDesc(typeof(XmlNode)),
             TypeName = mapping2.TypeDesc.Name
         };
         mapping.TypeDesc = mapping2.TypeDesc;
         TextAccessor accessor = new TextAccessor {
             Mapping = mapping2
         };
         mapping.Text = accessor;
         isMultipleOccurrence = true;
         mixed = false;
     }
     if (isMultipleOccurrence)
     {
         mapping.TypeDesc = mapping.TypeDesc.CreateArrayTypeDesc();
     }
     return mapping;
 }

 private void WriteMember(object o, object choiceSource, ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc memberTypeDesc, bool writeAccessors, XmlMapping parentMapping = null)
 {
     if (memberTypeDesc.IsArrayLike &&
         !(elements.Length == 1 && elements[0].Mapping is ArrayMapping))
     {
         WriteArray(o, choiceSource, elements, text, choice, memberTypeDesc);
     }
     else
     {
         WriteElements(o, choiceSource, elements, text, choice, "a", writeAccessors, memberTypeDesc.IsNullable, parentMapping);
     }
 }

        private void WriteArrayItems(ElementAccessor[] elements, TextAccessor text, ChoiceIdentifierAccessor choice, TypeDesc arrayTypeDesc, string arrayName, string choiceName)
        {
            TypeDesc arrayElementTypeDesc = arrayTypeDesc.ArrayElementTypeDesc;

            if (arrayTypeDesc.IsEnumerable)
            {
                LocalBuilder eLoc = ilg.DeclareLocal(typeof(IEnumerator), "e");
                ilg.LoadAddress(ilg.GetVariable(arrayName));
                MethodInfo getEnumeratorMethod;

                if (arrayTypeDesc.IsPrivateImplementation)
                {
                    Type typeIEnumerable = typeof(IEnumerable);

                    getEnumeratorMethod = typeIEnumerable.GetMethod(
                        "GetEnumerator",
                        CodeGenerator.InstanceBindingFlags,
                        Array.Empty<Type>());

                    ilg.ConvertValue(arrayTypeDesc.Type, typeIEnumerable);
                }
                else if (arrayTypeDesc.IsGenericInterface)
                {
                    Type typeIEnumerable = typeof(IEnumerable<>).MakeGenericType(arrayElementTypeDesc.Type);

                    getEnumeratorMethod = typeIEnumerable.GetMethod(
                        "GetEnumerator",
                        CodeGenerator.InstanceBindingFlags,
                        Array.Empty<Type>());

                    ilg.ConvertValue(arrayTypeDesc.Type, typeIEnumerable);
                }
                else
                {
                    getEnumeratorMethod = arrayTypeDesc.Type.GetMethod(
                        "GetEnumerator",
                        Array.Empty<Type>());
                }
                ilg.Call(getEnumeratorMethod);
                ilg.ConvertValue(getEnumeratorMethod.ReturnType, typeof(IEnumerator));
                ilg.Stloc(eLoc);

                ilg.Ldloc(eLoc);
                ilg.Load(null);
                ilg.If(Cmp.NotEqualTo);
                ilg.WhileBegin();
                string arrayNamePlusA = (arrayName).Replace(arrayTypeDesc.Name, "") + "a" + arrayElementTypeDesc.Name;
                string arrayNamePlusI = (arrayName).Replace(arrayTypeDesc.Name, "") + "i" + arrayElementTypeDesc.Name;
                WriteLocalDecl(arrayNamePlusI, "e.Current", arrayElementTypeDesc.Type);
                WriteElements(new SourceInfo(arrayNamePlusI, null, null, arrayElementTypeDesc.Type, ilg), choiceName + "i", elements, text, choice, arrayNamePlusA, true, true);

                ilg.WhileBeginCondition(); // while (e.MoveNext())
                MethodInfo IEnumerator_MoveNext = typeof(IEnumerator).GetMethod(
                    "MoveNext",
                    CodeGenerator.InstanceBindingFlags,
                    Array.Empty<Type>());
                ilg.Ldloc(eLoc);
                ilg.Call(IEnumerator_MoveNext);
                ilg.WhileEndCondition();
                ilg.WhileEnd();

                ilg.EndIf(); // if (e != null)
            }
            else
            {
                // Filter out type specific for index (code match reusing local).
                string iPlusArrayName = "i" + (arrayName).Replace(arrayTypeDesc.Name, "");
                string arrayNamePlusA = (arrayName).Replace(arrayTypeDesc.Name, "") + "a" + arrayElementTypeDesc.Name;
                string arrayNamePlusI = (arrayName).Replace(arrayTypeDesc.Name, "") + "i" + arrayElementTypeDesc.Name;
                LocalBuilder localI = ilg.DeclareOrGetLocal(typeof(Int32), iPlusArrayName);
                ilg.For(localI, 0, ilg.GetLocal(arrayName));
                int count = elements.Length + (text == null ? 0 : 1);
                if (count > 1)
                {
                    WriteLocalDecl(arrayNamePlusI, RaCodeGen.GetStringForArrayMember(arrayName, iPlusArrayName, arrayTypeDesc), arrayElementTypeDesc.Type);
                    if (choice != null)
                    {
                        WriteLocalDecl(choiceName + "i", RaCodeGen.GetStringForArrayMember(choiceName, iPlusArrayName, choice.Mapping.TypeDesc), choice.Mapping.TypeDesc.Type);
                    }
                    WriteElements(new SourceInfo(arrayNamePlusI, null, null, arrayElementTypeDesc.Type, ilg), choiceName + "i", elements, text, choice, arrayNamePlusA, true, arrayElementTypeDesc.IsNullable);
                }
                else
                {
                    WriteElements(new SourceInfo(RaCodeGen.GetStringForArrayMember(arrayName, iPlusArrayName, arrayTypeDesc), null, null, arrayElementTypeDesc.Type, ilg), null, elements, text, choice, arrayNamePlusA, true, arrayElementTypeDesc.IsNullable);
                }
                ilg.EndFor();
            }
        }

        private void WriteArray(object o, object choiceSource, ElementAccessor[] elements, TextAcc