C# StringBuilderWrapper.Indent方法代码示例

        public string GetCode(MetadataTypes metadata, IRequest request, INativeTypesMetadata nativeTypes)
        {
            var typeNamespaces = new HashSet<string>();
            metadata.RemoveIgnoredTypes(Config);
            metadata.Types.Each(x => typeNamespaces.Add(x.Namespace));
            metadata.Operations.Each(x => typeNamespaces.Add(x.Request.Namespace));

            var defaultImports = !Config.DefaultImports.IsEmpty()
                ? Config.DefaultImports
                : DefaultImports;

            var globalNamespace = Config.GlobalNamespace;

            Func<string, string> defaultValue = k =>
                request.QueryString[k].IsNullOrEmpty() ? "//" : "";

            var sbInner = StringBuilderCache.Allocate();
            var sb = new StringBuilderWrapper(sbInner);
            sb.AppendLine("/* Options:");
            sb.AppendLine("Date: {0}".Fmt(DateTime.Now.ToString("s").Replace("T", " ")));
            sb.AppendLine("Version: {0}".Fmt(Env.ServiceStackVersion));
            sb.AppendLine("Tip: {0}".Fmt(HelpMessages.NativeTypesDtoOptionsTip.Fmt("//")));
            sb.AppendLine("BaseUrl: {0}".Fmt(Config.BaseUrl));
            sb.AppendLine();
            sb.AppendLine("{0}GlobalNamespace: {1}".Fmt(defaultValue("GlobalNamespace"), Config.GlobalNamespace));
            //sb.AppendLine("{0}ExportAsTypes: {1}".Fmt(defaultValue("ExportAsTypes"), Config.ExportAsTypes));
            sb.AppendLine("{0}MakePropertiesOptional: {1}".Fmt(defaultValue("MakePropertiesOptional"), Config.MakePropertiesOptional));
            sb.AppendLine("{0}AddServiceStackTypes: {1}".Fmt(defaultValue("AddServiceStackTypes"), Config.AddServiceStackTypes));
            sb.AppendLine("{0}AddResponseStatus: {1}".Fmt(defaultValue("AddResponseStatus"), Config.AddResponseStatus));
            sb.AppendLine("{0}AddImplicitVersion: {1}".Fmt(defaultValue("AddImplicitVersion"), Config.AddImplicitVersion));
            sb.AppendLine("{0}AddDescriptionAsComments: {1}".Fmt(defaultValue("AddDescriptionAsComments"), Config.AddDescriptionAsComments));
            sb.AppendLine("{0}IncludeTypes: {1}".Fmt(defaultValue("IncludeTypes"), Config.IncludeTypes.Safe().ToArray().Join(",")));
            sb.AppendLine("{0}ExcludeTypes: {1}".Fmt(defaultValue("ExcludeTypes"), Config.ExcludeTypes.Safe().ToArray().Join(",")));
            sb.AppendLine("{0}DefaultImports: {1}".Fmt(defaultValue("DefaultImports"), defaultImports.Join(",")));

            sb.AppendLine("*/");
            sb.AppendLine();

            string lastNS = null;

            var existingTypes = new HashSet<string>();

            var requestTypes = metadata.Operations.Select(x => x.Request).ToHashSet();
            var requestTypesMap = metadata.Operations.ToSafeDictionary(x => x.Request);
            var responseTypes = metadata.Operations
                .Where(x => x.Response != null)
                .Select(x => x.Response).ToHashSet();

            // Base Types need to be written first
            var types = CreateSortedTypeList(metadata.Types);

            allTypes = new List<MetadataType>();
            allTypes.AddRange(types);
            allTypes.AddRange(responseTypes);
            allTypes.AddRange(requestTypes);
            allTypes.RemoveAll(x => x.IgnoreType(Config));

            allTypes = FilterTypes(allTypes);

            //TypeScript doesn't support reusing same type name with different generic airity
            var conflictPartialNames = allTypes.Map(x => x.Name).Distinct()
                .GroupBy(g => g.LeftPart('`'))
                .Where(g => g.Count() > 1)
                .Select(g => g.Key)
                .ToList();

            this.conflictTypeNames = allTypes
                .Where(x => conflictPartialNames.Any(name => x.Name.StartsWith(name)))
                .Map(x => x.Name);

            defaultImports.Each(x => sb.AppendLine("import {0};".Fmt(x)));

            if (!string.IsNullOrEmpty(globalNamespace))
            {
                var moduleDef = Config.ExportAsTypes ? "" : "declare ";
                sb.AppendLine();
                sb.AppendLine("{0}module {1}".Fmt(moduleDef, globalNamespace.SafeToken()));
                sb.AppendLine("{");

                sb = sb.Indent();
            }

            //ServiceStack core interfaces
            foreach (var type in allTypes)
            {
                var fullTypeName = type.GetFullName();
                if (requestTypes.Contains(type))
                {
                    if (!existingTypes.Contains(fullTypeName))
                    {
                        MetadataType response = null;
                        MetadataOperationType operation;
                        if (requestTypesMap.TryGetValue(type, out operation))
                        {
                            response = operation.Response;
                        }

                        lastNS = AppendType(ref sb, type, lastNS,
                            new CreateTypeOptions
                            {
//.........这里部分代码省略.........

        private string AppendType(ref StringBuilderWrapper sb, MetadataType type, string lastNS,
            CreateTypeOptions options)
        {
            sb.AppendLine();
            AppendComments(sb, type.Description);
            if (type.Routes != null)
            {
                AppendAttributes(sb, type.Routes.ConvertAll(x => x.ToMetadataAttribute()));
            }
            AppendAttributes(sb, type.Attributes);
            AppendDataContract(sb, type.DataContract);

            if (type.IsEnum.GetValueOrDefault())
            {
                if (type.IsEnumInt.GetValueOrDefault() || type.EnumNames.IsEmpty())
                {
                    var typeDeclaration = !Config.ExportAsTypes
                        ? "enum"
                        : "export enum";

                    sb.AppendLine("{0} {1}".Fmt(typeDeclaration, Type(type.Name, type.GenericArgs)));
                    sb.AppendLine("{");
                    sb = sb.Indent();

                    if (type.EnumNames != null)
                    {
                        for (var i = 0; i < type.EnumNames.Count; i++)
                        {
                            var name = type.EnumNames[i];
                            var value = type.EnumValues != null ? type.EnumValues[i] : null;

                            sb.AppendLine(value == null //Enum Value's are not impacted by JS Style
                                ? "{0},".Fmt(name)
                                : "{0} = {1},".Fmt(name, value));
                        }
                    }

                    sb = sb.UnIndent();
                    sb.AppendLine("}");
                }
                else
                {
                    var sbType = StringBuilderCache.Allocate();

                    var typeDeclaration = !Config.ExportAsTypes
                        ? "type"
                        : "export type";

                    sbType.Append("{0} {1} = ".Fmt(typeDeclaration, Type(type.Name, type.GenericArgs)));

                    for (var i = 0; i < type.EnumNames.Count; i++)
                    {
                        if (i > 0)
                            sbType.Append(" | ");

                        sbType.Append('"').Append(type.EnumNames[i]).Append('"');
                    }

                    sbType.Append(";");

                    sb.AppendLine(StringBuilderCache.ReturnAndFree(sbType));
                }
            }
            else
            {
                var extends = new List<string>();

                //: BaseClass, Interfaces
                if (type.Inherits != null)
                    extends.Add(Type(type.Inherits).InDeclarationType());

                string responseTypeExpression = null;

                var interfaces = new List<string>();
                var implStr = options.ImplementsFn?.Invoke();
                if (!string.IsNullOrEmpty(implStr))
                {
                    interfaces.Add(implStr);

                    if (implStr.StartsWith("IReturn<"))
                    {
                        var types = implStr.RightPart('<');
                        var returnType = types.Substring(0, types.Length - 1);

                        if (returnType == "any")
                            returnType = "Object";

                        // This is to avoid invalid syntax such as "return new string()"
                        string replaceReturnType;
                        if (primitiveDefaultValues.TryGetValue(returnType, out replaceReturnType))
                            returnType = replaceReturnType;

                        responseTypeExpression = replaceReturnType == null ?
                            "createResponse() {{ return new {0}(); }}".Fmt(returnType) :
                            "createResponse() {{ return {0}; }}".Fmt(returnType);
                    }
                    else if (implStr == "IReturnVoid")
                    {
                        responseTypeExpression = "createResponse() {}";
                    }
//.........这里部分代码省略.........

        private void AddTypeExtension(ref StringBuilderWrapper sbExt, MetadataType type, bool initCollections)
        {
            var typeName = Type(type.Name, type.GenericArgs);

            var typeNameOnly = typeName.SplitOnFirst('<')[0];

            sbExt.AppendLine();
            sbExt.AppendLine("extension {0} : JsonSerializable".Fmt(typeNameOnly));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();

            //func typeConfig()
            sbExt.AppendLine("public class func typeConfig() -> JsConfigType<{0}>".Fmt(typeName));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();
            sbExt.AppendLine(
                "return JsConfig.typeConfig() ?? JsConfig.configure(JsConfigType<{0}>(".Fmt(typeName));
            sbExt = sbExt.Indent();

            sbExt.AppendLine("writers: [");
            sbExt = sbExt.Indent();
            foreach (var prop in type.Properties.Safe())
            {
                var isOptional = !(initCollections 
                    && (prop.IsArray() 
                        || (!prop.GenericArgs.IsEmpty()
                            && (ArrayTypes.Contains(prop.Type) || DictionaryTypes.Contains(prop.Type)))
                        ));
                var fn = isOptional ? "setOptionalValue" : "setValue";

                sbExt.AppendLine("(\"{1}\", {{ (x:{0}, map:NSDictionary) in {2}(&x.{1}, map, \"{1}\") }}),".Fmt(
                        typeName, prop.Name.SafeToken().PropertyStyle(), fn));
            }
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("],");

            sbExt.AppendLine("readers: [");
            sbExt = sbExt.Indent();
            foreach (var prop in type.Properties.Safe())
            {
                sbExt.AppendLine("(\"{1}\", {{ (x:{0}) in x.{1} as Any }}),".Fmt(
                    typeName,
                    prop.Name.SafeToken().PropertyStyle()));
            }
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("]");

            sbExt = sbExt.UnIndent();

            sbExt.AppendLine("))");

            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            //toJson()
            sbExt.AppendLine();
            sbExt.AppendLine("public func toJson() -> String");
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();
            sbExt.AppendLine("return serializeToJson(self, {0}.typeConfig())".Fmt(typeName));
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            //fromDictionary()
            sbExt.AppendLine();
            sbExt.AppendLine("public class func fromDictionary(map:NSDictionary) -> {0}".Fmt(typeName));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();
            sbExt.AppendLine("return populate({0}(), map, {0}.typeConfig())".Fmt(typeName));
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            //fromJson()
            sbExt.AppendLine();
            sbExt.AppendLine("public class func fromJson(json:String) -> {0}".Fmt(typeName));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();
            sbExt.AppendLine("return populate({0}(), json, {0}.typeConfig())".Fmt(typeName));
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");
        }

        private string AppendType(ref StringBuilderWrapper sb, MetadataType type, string lastNS,
            CreateTypeOptions options)
        {
            if (type == null || (type.Namespace != null && type.Namespace.StartsWith("System")))
                return lastNS;

            sb = sb.Indent();

            sb.AppendLine();
            AppendComments(sb, type.Description);
            if (type.Routes != null)
            {
                AppendAttributes(sb, type.Routes.ConvertAll(x => x.ToMetadataAttribute()));
            }
            AppendAttributes(sb, type.Attributes);
            AppendDataContract(sb, type.DataContract);

            if (type.IsEnum.GetValueOrDefault())
            {
                sb.AppendLine("type {0} =".Fmt(Type(type.Name, type.GenericArgs)));
                sb = sb.Indent();

                if (type.EnumNames != null)
                {
                    for (var i = 0; i < type.EnumNames.Count; i++)
                    {
                        var name = type.EnumNames[i];
                        var value = type.EnumValues != null ? type.EnumValues[i] : i.ToString();
                        sb.AppendLine("| {0} = {1}".Fmt(name, value));
                    }
                }

                sb = sb.UnIndent();
            }
            else
            {
                //sb.AppendLine("[<CLIMutable>]"); // only for Record Types
                sb.AppendLine("[<AllowNullLiteral>]");
                sb.AppendLine("type {0}() = ".Fmt(Type(type.Name, type.GenericArgs)));
                sb = sb.Indent();
                var startLen = sb.Length;

                //: BaseClass, Interfaces
                if (type.Inherits != null)
                    sb.AppendLine("inherit {0}()".Fmt(Type(type.Inherits)));

                if (options.ImplementsFn != null)
                {
                    var implStr = options.ImplementsFn();
                    if (!string.IsNullOrEmpty(implStr))
                        sb.AppendLine("interface {0}".Fmt(implStr));
                }

                var makeExtensible = Config.MakeDataContractsExtensible && type.Inherits == null;
                if (makeExtensible)
                {
                    sb.AppendLine("interface IExtensibleDataObject with");
                    sb.AppendLine("    member val ExtensionData:ExtensionDataObject = null with get, set");
                    sb.AppendLine("end");
                }

                var addVersionInfo = Config.AddImplicitVersion != null && options.IsOperation;
                if (addVersionInfo)
                {
                    sb.AppendLine("member val Version:int = {0} with get, set".Fmt(Config.AddImplicitVersion));
                }

                AddProperties(sb, type);

                if (sb.Length == startLen)
                    sb.AppendLine("class end");

                sb = sb.UnIndent();
            }

            sb = sb.UnIndent();
            return lastNS;
        }

        private void AddTypeExtension(ref StringBuilderWrapper sbExt, MetadataType type, bool initCollections)
        {
            //Swift doesn't support extensions on same protocol used by Base and Sub types
            if (type.IsAbstract())
                return;

            var typeName = Type(type.Name, type.GenericArgs);

            var typeNameOnly = typeName.SplitOnFirst('<')[0];

            sbExt.AppendLine();
            sbExt.AppendLine("extension {0} : JsonSerializable".Fmt(typeNameOnly));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();

            sbExt.AppendLine("public static var typeName:String {{ return \"{0}\" }}".Fmt(typeName));

            //func typeConfig()

            var isGenericType = !type.GenericArgs.IsEmpty();
            if (!isGenericType)
            {
                sbExt.AppendLine("public static var metadata = Metadata.create([");
                sbExt = sbExt.Indent();
            }
            else
            {
                //Swift 2.0 doesn't allow stored static properties on generic types yet
                sbExt.AppendLine("public static var metadata:Metadata {");
                sbExt = sbExt.Indent();
                sbExt.AppendLine("return Metadata.create([");
            }

            sbExt = sbExt.Indent();

            foreach (var prop in GetPropertes(type))
            {
                var propType = FindType(prop.Type, prop.TypeNamespace, prop.GenericArgs);
                if (propType.IsInterface()
                    || IgnorePropertyTypeNames.Contains(prop.Type)
                    || IgnorePropertyNames.Contains(prop.Name))
                    continue;

                var fnName = "property";
                if (prop.IsArray() || ArrayTypes.Contains(prop.Type))
                {
                    fnName = initCollections
                        ? "arrayProperty"
                        : "optionalArrayProperty";
                }
                else if (DictionaryTypes.Contains(prop.Type))
                {
                    fnName = initCollections
                        ? "objectProperty"
                        : "optionalObjectProperty";
                }
                else
                {
                    if (propType != null && !propType.IsEnum.GetValueOrDefault())
                    {
                        fnName = "optionalObjectProperty";
                    }
                    else
                    {
                        fnName = "optionalProperty";
                    }
                }

                var propName = prop.Name.SafeToken().PropertyStyle();
                var unescapedName = propName.UnescapeReserved();
                sbExt.AppendLine("Type<{0}>.{1}(\"{2}\", get: {{ $0.{3} }}, set: {{ $0.{3} = $1 }}),".Fmt(
                        typeName, fnName, unescapedName, propName));
            }
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("])");
            sbExt = sbExt.UnIndent();

            if (isGenericType)
            {
                sbExt.AppendLine("}");
            }

            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");
        }

        public void AddProperties(StringBuilderWrapper sb, MetadataType type,
            bool includeResponseStatus,
            bool addPropertyAccessors,
            string settersReturnType)
        {
            var wasAdded = false;

            var sbInner = StringBuilderCacheAlt.Allocate();
            var sbAccessors = new StringBuilderWrapper(sbInner);
            if (addPropertyAccessors)
            {
                sbAccessors.AppendLine();
                sbAccessors = sbAccessors.Indent().Indent();
            }

            var dataMemberIndex = 1;
            if (type.Properties != null)
            {
                foreach (var prop in type.Properties)
                {
                    if (wasAdded) sb.AppendLine();

                    var propType = Type(prop.Type, prop.GenericArgs);

                    var fieldName = prop.Name.SafeToken().PropertyStyle();
                    var accessorName = fieldName.ToPascalCase();

                    wasAdded = AppendComments(sb, prop.Description);
                    wasAdded = AppendDataMember(sb, prop.DataMember, dataMemberIndex++) || wasAdded;
                    wasAdded = AppendAttributes(sb, prop.Attributes) || wasAdded;

                    if (!fieldName.IsKeyWord())
                    {
                        sb.AppendLine("public {0} {1} = null;".Fmt(propType, fieldName));
                    }
                    else
                    {
                        var originalName = fieldName;
                        fieldName = Char.ToUpper(fieldName[0]) + fieldName.SafeSubstring(1);
                        sb.AppendLine("@SerializedName(\"{0}\") public {1} {2} = null;".Fmt(originalName, propType, fieldName));
                    }

                    if (addPropertyAccessors)
                        sbAccessors.AppendPropertyAccessor(propType, fieldName, accessorName, settersReturnType);
                }
            }

            if (includeResponseStatus)
            {
                if (wasAdded) sb.AppendLine();

                AppendDataMember(sb, null, dataMemberIndex++);
                sb.AppendLine("public ResponseStatus {0} = null;".Fmt(typeof(ResponseStatus).Name.PropertyStyle()));

                if (addPropertyAccessors)
                    sbAccessors.AppendPropertyAccessor("ResponseStatus", "ResponseStatus", settersReturnType);
            }

            if (sbAccessors.Length > 0)
                sb.AppendLine(StringBuilderCacheAlt.ReturnAndFree(sbInner).TrimEnd()); //remove last \n
        }

        private string AppendType(ref StringBuilderWrapper sb, MetadataType type, string lastNS,
            CreateTypeOptions options)
        {

            sb.AppendLine();
            AppendComments(sb, type.Description);
            if (type.Routes != null)
            {
                AppendAttributes(sb, type.Routes.ConvertAll(x => x.ToMetadataAttribute()));
            }
            AppendAttributes(sb, type.Attributes);
            AppendDataContract(sb, type.DataContract);

            var typeName = Type(type.Name, type.GenericArgs);

            if (type.IsEnum.GetValueOrDefault())
            {
                var hasIntValue = type.EnumNames.Count == (type.EnumValues != null ? type.EnumValues.Count : 0);
                var enumConstructor = hasIntValue ? "(val value:Int)" : "";

                sb.AppendLine("enum class {0}{1}".Fmt(typeName, enumConstructor));
                sb.AppendLine("{");
                sb = sb.Indent();


                if (type.EnumNames != null)
                {
                    for (var i = 0; i < type.EnumNames.Count; i++)
                    {
                        var name = type.EnumNames[i];
                        var value = hasIntValue ? type.EnumValues[i] : null;

                        var serializeAs = JsConfig.TreatEnumAsInteger || (type.Attributes.Safe().Any(x => x.Name == "Flags"))
                            ? "@SerializedName(\"{0}\") ".Fmt(value)
                            : "";

                        sb.AppendLine(value == null
                            ? "{0},".Fmt(name.ToPascalCase())
                            : serializeAs + "{0}({1}),".Fmt(name.ToPascalCase(), value));
                    }

                    //if (hasIntValue)
                    //{
                    //    sb.AppendLine();
                    //    sb.AppendLine("private final int value;");
                    //    sb.AppendLine("{0}(final int intValue) {{ value = intValue; }}".Fmt(typeName));
                    //    sb.AppendLine("public int getValue() { return value; }");
                    //}
                }

                sb = sb.UnIndent();
                sb.AppendLine("}");
            }
            else
            {
                var defType = type.IsInterface()
                    ? "interface"
                    : "class";
                var extends = new List<string>();

                //: BaseClass, Interfaces
                if (type.Inherits != null)
                    extends.Add(Type(type.Inherits).InheritedType());

                string responseTypeExpression = null;

                var interfaces = new List<string>();
                if (options.ImplementsFn != null)
                {
                    var implStr = options.ImplementsFn();
                    if (!string.IsNullOrEmpty(implStr))
                    {
                        interfaces.Add(implStr);

                        if (implStr.StartsWith("IReturn<"))
                        {
                            var parts = implStr.SplitOnFirst('<');
                            var returnType = parts[1].Substring(0, parts[1].Length - 1);

                            //Can't get .class from Generic Type definition
                            responseTypeExpression = returnType.Contains("<")
                                ? "object : TypeToken<{0}>(){{}}.type".Fmt(returnType)
                                : "{0}::class.java".Fmt(returnType);
                        }
                    }
                    if (!type.Implements.IsEmpty())
                    {
                        foreach (var interfaceRef in type.Implements)
                        {
                            interfaces.Add(Type(interfaceRef));
                        }
                    }
                }

                var extend = extends.Count > 0 
                    ? " : " + extends[0] + "()"
                    : "";

                if (interfaces.Count > 0)
                    extend += (extend.IsNullOrEmpty() ? " : " : ", ") + string.Join(", ", interfaces.ToArray());
//.........这里部分代码省略.........

        private void AddConstuctor(StringBuilderWrapper sb, MetadataType type, CreateTypeOptions options)
        {
            if (type.IsInterface())
                return;

            var initCollections = feature.ShouldInitializeCollections(type, Config.InitializeCollections);
            if (Config.AddImplicitVersion == null && !initCollections)
                return;

            var collectionProps = new List<MetadataPropertyType>();
            if (type.Properties != null && initCollections)
                collectionProps = type.Properties.Where(x => x.IsCollection()).ToList();

            var addVersionInfo = Config.AddImplicitVersion != null && options.IsRequest;
            if (!addVersionInfo && collectionProps.Count <= 0) return;

            if (addVersionInfo)
            {
                var @virtual = Config.MakeVirtual ? "virtual " : "";
                sb.AppendLine("public {0}int Version {{ get; set; }}".Fmt(@virtual));
                sb.AppendLine();
            }

            sb.AppendLine("public {0}()".Fmt(NameOnly(type.Name)));
            sb.AppendLine("{");
            sb = sb.Indent();

            if (addVersionInfo)
                sb.AppendLine("Version = {0};".Fmt(Config.AddImplicitVersion));

            foreach (var prop in collectionProps)
            {
                sb.AppendLine("{0} = new {1}{{}};".Fmt(
                prop.Name.SafeToken(),
                Type(prop.Type, prop.GenericArgs, includeNested: true)));
            }

            sb = sb.UnIndent();
            sb.AppendLine("}");
            sb.AppendLine();
        }

        private string AppendType(ref StringBuilderWrapper sb, MetadataType type, string lastNS,
            CreateTypeOptions options)
        {
            sb = sb.Indent();

            sb.AppendLine();
            AppendComments(sb, type.Description);
            if (type.Routes != null)
            {
                AppendAttributes(sb, type.Routes.ConvertAll(x => x.ToMetadataAttribute()));
            }
            AppendAttributes(sb, type.Attributes);
            AppendDataContract(sb, type.DataContract);
            if (Config.AddGeneratedCodeAttributes)
            {
                sb.AppendLine("[<GeneratedCode(\"AddServiceStackReference\", \"{0}\")>]".Fmt(Env.VersionString));
            }

            if (type.IsEnum.GetValueOrDefault())
            {
                sb.AppendLine("type {0} =".Fmt(Type(type.Name, type.GenericArgs)));
                sb = sb.Indent();

                if (type.EnumNames != null)
                {
                    for (var i = 0; i < type.EnumNames.Count; i++)
                    {
                        var name = type.EnumNames[i];
                        var value = type.EnumValues != null ? type.EnumValues[i] : i.ToString();
                        sb.AppendLine("| {0} = {1}".Fmt(name, value));
                    }
                }

                sb = sb.UnIndent();
            }
            else
            {
                //sb.AppendLine("[<CLIMutable>]"); // only for Record Types
                var classCtor = type.IsInterface() ? "" : "()";
                sb.AppendLine("[<AllowNullLiteral>]");
                sb.AppendLine("type {0}{1} = ".Fmt(Type(type.Name, type.GenericArgs), classCtor));
                sb = sb.Indent();
                var startLen = sb.Length;

                //: BaseClass, Interfaces
                if (type.Inherits != null)
                    sb.AppendLine("inherit {0}()".Fmt(Type(type.Inherits)));

                if (options.ImplementsFn != null)
                {
                    var implStr = options.ImplementsFn();
                    if (!string.IsNullOrEmpty(implStr))
                        sb.AppendLine("interface {0}".Fmt(implStr));
                }

                if (!type.IsInterface())
                {
                    var makeExtensible = Config.MakeDataContractsExtensible && type.Inherits == null;
                    if (makeExtensible)
                    {
                        sb.AppendLine("interface IExtensibleDataObject with");
                        sb.AppendLine("    member val ExtensionData:ExtensionDataObject = null with get, set");
                        sb.AppendLine("end");
                    }

                    var addVersionInfo = Config.AddImplicitVersion != null && options.IsRequest;
                    if (addVersionInfo)
                    {
                        sb.AppendLine("member val Version:int = {0} with get, set".Fmt(Config.AddImplicitVersion));
                    }
                }

                AddProperties(sb, type,
                    includeResponseStatus: Config.AddResponseStatus && options.IsResponse
                        && type.Properties.Safe().All(x => x.Name != typeof(ResponseStatus).Name));

                if (sb.Length == startLen)
                    sb.AppendLine(type.IsInterface() ? "interface end" : "class end");

                sb = sb.UnIndent();
            }

            sb = sb.UnIndent();
            return lastNS;
        }

        private string AppendType(ref StringBuilderWrapper sb, MetadataType type, string lastNS, List<MetadataType> allTypes, CreateTypeOptions options)
        {
            if (type.IsNested.GetValueOrDefault() && !options.IsNestedType)
                return lastNS;

            var ns = Config.GlobalNamespace ?? type.Namespace;
            if (ns != lastNS)
            {
                if (lastNS != null)
                    sb.AppendLine("End Namespace");

                lastNS = ns;

                sb.AppendLine();
                sb.AppendLine("Namespace {0}".Fmt(ns.SafeToken()));
                //sb.AppendLine("{");
            }

            sb = sb.Indent();

            sb.AppendLine();
            AppendComments(sb, type.Description);
            if (type.Routes != null)
            {
                AppendAttributes(sb, type.Routes.ConvertAll(x => x.ToMetadataAttribute()));
            }
            AppendAttributes(sb, type.Attributes);
            AppendDataContract(sb, type.DataContract);

            if (type.IsEnum.GetValueOrDefault())
            {
                sb.AppendLine("Public Enum {0}".Fmt(Type(type.Name, type.GenericArgs)));
                //sb.AppendLine("{");
                sb = sb.Indent();

                if (type.EnumNames != null)
                {
                    for (var i = 0; i < type.EnumNames.Count; i++)
                    {
                        var name = type.EnumNames[i];
                        var value = type.EnumValues != null ? type.EnumValues[i] : null;
                        sb.AppendLine(value == null
                            ? "{0}".Fmt(name)
                            : "{0} = {1}".Fmt(name, value));
                    }
                }

                sb = sb.UnIndent();
                sb.AppendLine("End Enum");
            }
            else
            {
                var partial = Config.MakePartial && !type.IsInterface() ? "Partial " : "";
                var defType = type.IsInterface() ? "Interface" : "Class";
                sb.AppendLine("Public {0}{1} {2}".Fmt(partial, defType, Type(type.Name, type.GenericArgs)));

                //: BaseClass, Interfaces
                if (type.Inherits != null)
                {
                    sb.AppendLine("    Inherits {0}".Fmt(Type(type.Inherits, includeNested: true)));
                }

                var implements = new List<string>();
                if (options.ImplementsFn != null)
                {
                    var implStr = options.ImplementsFn();
                    if (!string.IsNullOrEmpty(implStr))
                        implements.Add(implStr);
                }

                var makeExtensible = Config.MakeDataContractsExtensible && type.Inherits == null;
                if (makeExtensible)
                    implements.Add("IExtensibleDataObject");

                if (implements.Count > 0)
                {
                    foreach (var x in implements)
                    {
                        sb.AppendLine("    Implements {0}".Fmt(x));
                    }
                }

                //sb.AppendLine("{");
                sb = sb.Indent();

                AddConstuctor(sb, type, options);
                AddProperties(sb, type);

                foreach (var innerTypeRef in type.InnerTypes.Safe())
                {
                    var innerType = allTypes.FirstOrDefault(x => x.Name == innerTypeRef.Name);
                    if (innerType == null)
                        continue;

                    sb = sb.UnIndent();
                    AppendType(ref sb, innerType, lastNS, allTypes,
                        new CreateTypeOptions { IsNestedType = true });
                    sb = sb.Indent();
                }

//.........这里部分代码省略.........

        private string AppendType(ref StringBuilderWrapper sb, MetadataType type, string lastNS, List<MetadataType> allTypes, CreateTypeOptions options)
        {
            if (type == null || 
                (type.IsNested.GetValueOrDefault() && !options.IsNestedType) || 
                (type.Namespace != null && type.Namespace.StartsWith("System")))
                return lastNS;

            if (type.Namespace != lastNS)
            {
                if (lastNS != null)
                    sb.AppendLine("}");

                lastNS = type.Namespace;

                sb.AppendLine();
                sb.AppendLine("namespace {0}".Fmt(type.Namespace.SafeToken()));
                sb.AppendLine("{");
            }

            sb = sb.Indent();

            sb.AppendLine();
            AppendComments(sb, type.Description);
            if (type.Routes != null)
            {
                AppendAttributes(sb, type.Routes.ConvertAll(x => x.ToMetadataAttribute()));
            }
            AppendAttributes(sb, type.Attributes);
            AppendDataContract(sb, type.DataContract);

            if (type.IsEnum.GetValueOrDefault())
            {
                sb.AppendLine("public enum {0}".Fmt(Type(type.Name, type.GenericArgs)));
                sb.AppendLine("{");
                sb = sb.Indent();

                if (type.EnumNames != null)
                {
                    for (var i = 0; i < type.EnumNames.Count; i++)
                    {
                        var name = type.EnumNames[i];
                        var value = type.EnumValues != null ? type.EnumValues[i] : null;
                        sb.AppendLine(value == null 
                            ? "{0},".Fmt(name) 
                            : "{0} = {1},".Fmt(name, value));
                    }
                }

                sb = sb.UnIndent();
                sb.AppendLine("}");
            }
            else
            {
                var partial = Config.MakePartial ? "partial " : "";
                sb.AppendLine("public {0}class {1}".Fmt(partial, Type(type.Name, type.GenericArgs)));

                //: BaseClass, Interfaces
                var inheritsList = new List<string>();
                if (type.Inherits != null)
                {
                    inheritsList.Add(Type(type.Inherits, includeNested:true));
                }

                if (options.ImplementsFn != null)
                {
                    var implStr = options.ImplementsFn();
                    if (!string.IsNullOrEmpty(implStr))
                        inheritsList.Add(implStr);
                }

                var makeExtensible = Config.MakeDataContractsExtensible && type.Inherits == null;
                if (makeExtensible)
                    inheritsList.Add("IExtensibleDataObject");
                if (inheritsList.Count > 0)
                    sb.AppendLine("    : {0}".Fmt(string.Join(", ", inheritsList.ToArray())));

                sb.AppendLine("{");
                sb = sb.Indent();

                AddConstuctor(sb, type, options);
                AddProperties(sb, type);

                foreach (var innerTypeRef in type.InnerTypes.Safe())
                {
                    var innerType = allTypes.FirstOrDefault(x => x.Name == innerTypeRef.Name);
                    if (innerType == null)
                        continue;

                    sb = sb.UnIndent();
                    AppendType(ref sb, innerType, lastNS, allTypes,
                        new CreateTypeOptions { IsNestedType = true });
                    sb = sb.Indent();
                }

                sb = sb.UnIndent();
                sb.AppendLine("}");
            }

            sb = sb.UnIndent();
            return lastNS;
//.........这里部分代码省略.........

        public string GetCode(MetadataTypes metadata, IRequest request)
        {
            var namespaces = new HashSet<string>();
            Config.DefaultNamespaces.Each(x => namespaces.Add(x));

            var typeNamespaces = new HashSet<string>();
            metadata.Types.Each(x => typeNamespaces.Add(x.Namespace));
            metadata.Operations.Each(x => typeNamespaces.Add(x.Request.Namespace));

            // Look first for shortest Namespace ending with `ServiceModel` convention, else shortest ns
            var globalNamespace = Config.GlobalNamespace
                ?? typeNamespaces.Where(x => x.EndsWith("ServiceModel"))
                    .OrderBy(x => x).FirstOrDefault()
                ?? typeNamespaces.OrderBy(x => x).First();

            Func<string, string> defaultValue = k =>
                request.QueryString[k].IsNullOrEmpty() ? "//" : "";

            var sb = new StringBuilderWrapper(new StringBuilder());
            sb.AppendLine("/* Options:");
            sb.AppendLine("Date: {0}".Fmt(DateTime.Now.ToString("s").Replace("T", " ")));
            sb.AppendLine("Version: {0}".Fmt(metadata.Version));
            sb.AppendLine("BaseUrl: {0}".Fmt(Config.BaseUrl));
            sb.AppendLine();
            sb.AppendLine("{0}AddServiceStackTypes: {1}".Fmt(defaultValue("AddServiceStackTypes"), Config.AddServiceStackTypes));
            sb.AppendLine("{0}AddResponseStatus: {1}".Fmt(defaultValue("AddResponseStatus"), Config.AddResponseStatus));
            sb.AppendLine("{0}AddImplicitVersion: {1}".Fmt(defaultValue("AddImplicitVersion"), Config.AddImplicitVersion));

            sb.AppendLine("*/");
            sb.AppendLine();

            string lastNS = null;

            var existingOps = new HashSet<string>();

            var requestTypes = metadata.Operations.Select(x => x.Request).ToHashSet();
            var requestTypesMap = metadata.Operations.ToSafeDictionary(x => x.Request);
            var responseTypes = metadata.Operations
                .Where(x => x.Response != null)
                .Select(x => x.Response).ToHashSet();
            var types = metadata.Types.ToHashSet();

            var allTypes = new List<MetadataType>();
            allTypes.AddRange(types);
            allTypes.AddRange(responseTypes);
            allTypes.AddRange(requestTypes);

            if (Config.AddServiceStackTypes)
            {
                sb.AppendLine("declare module ServiceStack");
                sb.AppendLine("{");
                sb = sb.Indent();
                
                sb.AppendLine("interface IReturnVoid {}");
                sb.AppendLine("interface IReturn<T> {}");

                sb = sb.UnIndent();
                sb.AppendLine("}");
                sb.AppendLine();
            }

            sb.AppendLine("declare module {0}".Fmt(globalNamespace.SafeToken()));
            sb.AppendLine("{");

            //ServiceStack core interfaces
            foreach (var type in allTypes)
            {
                var fullTypeName = type.GetFullName();
                if (requestTypes.Contains(type))
                {
                    if (!existingOps.Contains(fullTypeName))
                    {
                        MetadataType response = null;
                        MetadataOperationType operation;
                        if (requestTypesMap.TryGetValue(type, out operation))
                        {
                            response = operation.Response;
                        }

                        lastNS = AppendType(ref sb, type, lastNS,
                            new CreateTypeOptions
                            {
                                ImplementsFn = () =>
                                {
                                    if (!Config.AddReturnMarker
                                        && !type.ReturnVoidMarker
                                        && type.ReturnMarkerTypeName == null)
                                        return null;

                                    if (type.ReturnVoidMarker)
                                        return "ServiceStack.IReturnVoid";
                                    if (type.ReturnMarkerTypeName != null)
                                        return Type("ServiceStack.IReturn`1", new[] { Type(type.ReturnMarkerTypeName) });
                                    return response != null
                                        ? Type("ServiceStack.IReturn`1", new[] { Type(type.Name, type.GenericArgs) })
                                        : null;
                                },
                                IsRequest = true,
                            });

//.........这里部分代码省略.........

        private void AddEnumExtension(ref StringBuilderWrapper sbExt, MetadataType type)
        {
            if (type.EnumNames == null) return;
            
            sbExt.AppendLine();
            sbExt.AppendLine("extension {0} : StringSerializable".Fmt(Type(type.Name, type.GenericArgs)));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();

            sbExt.AppendLine("public func toString() -> String");
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();
            sbExt.AppendLine("switch self {");
            foreach (var name in type.EnumNames)
            {
                sbExt.AppendLine("case .{0}: return \"{0}\"".Fmt(name.PropertyStyle()));
            }
            sbExt.AppendLine("}");
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            sbExt.AppendLine();
            sbExt.AppendLine("public static func fromString(strValue:String) -> {0}?".Fmt(Type(type.Name, type.GenericArgs)));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();

            sbExt.AppendLine("switch strValue {");
            foreach (var name in type.EnumNames)
            {
                sbExt.AppendLine("case \"{0}\": return .{0}".Fmt(name.PropertyStyle()));
            }
            sbExt.AppendLine("default: return nil");

            sbExt.AppendLine("}");
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");
        }

        private string AppendType(ref StringBuilderWrapper sb, MetadataType type, string lastNS,
            CreateTypeOptions options)
        {
            sb = sb.Indent();

            sb.AppendLine();
            AppendComments(sb, type.Description);
            if (type.Routes != null)
            {
                AppendAttributes(sb, type.Routes.ConvertAll(x => x.ToMetadataAttribute()));
            }
            AppendAttributes(sb, type.Attributes);
            AppendDataContract(sb, type.DataContract);

            if (type.IsEnum.GetValueOrDefault())
            {
                sb.AppendLine("enum {0}".Fmt(Type(type.Name, type.GenericArgs)));
                sb.AppendLine("{");
                sb = sb.Indent();

                if (type.EnumNames != null)
                {
                    for (var i = 0; i < type.EnumNames.Count; i++)
                    {
                        var name = type.EnumNames[i];
                        var value = type.EnumValues != null ? type.EnumValues[i] : null;
                        sb.AppendLine(value == null
                            ? "{0},".Fmt(name.PropertyStyle())
                            : "{0} = {1},".Fmt(name.PropertyStyle(), value));
                    }
                }

                sb = sb.UnIndent();
                sb.AppendLine("}");
            }
            else
            {
                var extends = new List<string>();

                //: BaseClass, Interfaces
                if (type.Inherits != null)
                    extends.Add(Type(type.Inherits).InheritedType());

                if (options.ImplementsFn != null)
                {
                    var implStr = options.ImplementsFn();
                    if (!string.IsNullOrEmpty(implStr))
                        extends.Add(implStr);
                }

                var extend = extends.Count > 0
                    ? " extends " + (string.Join(", ", extends.ToArray()))
                    : "";

                sb.AppendLine("interface {0}{1}".Fmt(Type(type.Name, type.GenericArgs), extend));
                sb.AppendLine("{");

                sb = sb.Indent();

                var addVersionInfo = Config.AddImplicitVersion != null && options.IsRequest;
                if (addVersionInfo)
                {
                    sb.AppendLine("{0}?: number; //{1}".Fmt("Version".PropertyStyle(), Config.AddImplicitVersion));
                }

                AddProperties(sb, type,
                    includeResponseStatus: Config.AddResponseStatus && options.IsResponse
                        && type.Properties.Safe().All(x => x.Name != typeof(ResponseStatus).Name));

                sb = sb.UnIndent();
                sb.AppendLine("}");
            }

            sb = sb.UnIndent();

            return lastNS;
        }

        private void AddTypeExtension(ref StringBuilderWrapper sbExt, MetadataType type, bool initCollections)
        {
            //Swift doesn't support extensions on same protocol used by Base and Sub types
            if (type.IsAbstract())
                return;

            var typeName = Type(type.Name, type.GenericArgs);

            var typeNameOnly = typeName.SplitOnFirst('<')[0];

            sbExt.AppendLine();
            sbExt.AppendLine("extension {0} : JsonSerializable".Fmt(typeNameOnly));
            sbExt.AppendLine("{");
            sbExt = sbExt.Indent();

            sbExt.AppendLine("public static var typeName:String {{ return \"{0}\" }}".Fmt(typeName));

            //func typeConfig()
            sbExt.AppendLine("public static func reflect() -> Type<{0}> {{".Fmt(typeName));
            sbExt = sbExt.Indent();
            sbExt.AppendLine(
                "return TypeConfig.config() ?? TypeConfig.configure(Type<{0}>(".Fmt(typeName));
            sbExt = sbExt.Indent();

            sbExt.AppendLine("properties: [".Fmt(typeName));
            sbExt = sbExt.Indent();

            foreach (var prop in GetPropertes(type))
            {
                var propType = FindType(prop.Type, prop.TypeNamespace, prop.GenericArgs);
                if (propType.IsInterface() 
                    || IgnorePropertyTypeNames.Contains(prop.Type)
                    || IgnorePropertyNames.Contains(prop.Name))
                    continue;

                var fnName = "property";
                if (prop.IsArray() || ArrayTypes.Contains(prop.Type))
                {
                    fnName = initCollections
                        ? "arrayProperty"
                        : "optionalArrayProperty";
                }
                else if (DictionaryTypes.Contains(prop.Type))
                {
                    fnName = initCollections
                        ? "objectProperty"
                        : "optionalObjectProperty";
                }
                else
                {
                    if (propType != null && !propType.IsEnum.GetValueOrDefault())
                    {
                        fnName = "optionalObjectProperty";
                    }
                    else
                    {
                        fnName = "optionalProperty";
                    }
                }

                sbExt.AppendLine("Type<{0}>.{1}(\"{2}\", get: {{ $0.{2} }}, set: {{ $0.{2} = $1 }}),".Fmt(
                        typeName, fnName, prop.Name.SafeToken().PropertyStyle()));
            }
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("]))");

            sbExt = sbExt.UnIndent();
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");


            //toJson()
            sbExt.AppendLine("public func toJson() -> String {");
            sbExt = sbExt.Indent();
            sbExt.AppendLine("return {0}.reflect().toJson(self)".Fmt(typeName));
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            //fromJson()
            sbExt.AppendLine("public static func fromJson(json:String) -> {0}? {{".Fmt(typeName));
            sbExt = sbExt.Indent();
            sbExt.AppendLine("return {0}.reflect().fromJson({0}(), json: json)".Fmt(typeName));
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            //fromObject()
            sbExt.AppendLine("public static func fromObject(any:AnyObject) -> {0}? {{".Fmt(typeName));
            sbExt = sbExt.Indent();
            sbExt.AppendLine("return {0}.reflect().fromObject({0}(), any:any)".Fmt(typeName));
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            //toString()
            sbExt.AppendLine("public func toString() -> String {");
            sbExt = sbExt.Indent();
            sbExt.AppendLine("return {0}.reflect().toString(self)".Fmt(typeName));
            sbExt = sbExt.UnIndent();
            sbExt.AppendLine("}");

            //fromString()
//.........这里部分代码省略.........