using System;

using System.Collections.Generic;

using System.Text;

using System.Linq;

using System.Xml.Serialization;

using System.Xml;

using System.Xml.Linq;

using System.IO;

using System.Data;

using System.Runtime.Serialization;

using System.Runtime.Serialization.Formatters.Binary;

using System.ComponentModel.DataAnnotations;

using System.ComponentModel;

using System.Diagnostics;

using System.Globalization;

​

// https://stackoverflow.com/questions/50415653/how-to-serialize-an-array-to-xml-with-dynamic-tag-names

​

    [System.Xml.Serialization.XmlRootAttribute(IsNullable = false)]

    public class GeneralInformation

    {

​

        private Info[] addInfoList;

​

        /// <remarks/>

        [XmlIgnore]

        public Info[] AddInfoList

        {

            get

            {

                return this.addInfoList;

            }

            set

            {

                this.addInfoList = value;

            }

        }

        const string InfoPrefix = "Info";

        const string InfoListPrefix = "InfoList";

        [XmlAnyElement("InfoList")]

        [Browsable(false), EditorBrowsable(EditorBrowsableState.Never), DebuggerBrowsable(DebuggerBrowsableState.Never)]

        public XElement AddInfoListXml

        {

            get

            {

                if (addInfoList == null)

                    return null;

                return new XElement(InfoListPrefix,

                    addInfoList

                    .Select((info, i) => new KeyValuePair<string, Info>(InfoPrefix + (i + 1).ToString("D3", NumberFormatInfo.InvariantInfo), info))

                    .SerializeToXElements((XNamespace)""));

            }

            set

            {

                if (value == null)

                {

                    addInfoList = null;

                }

                else

                {

                    addInfoList = value

                        .Elements()

                        .Where(e => e.Name.LocalName.StartsWith(InfoPrefix))

                        .DeserializeFromXElements<Info>()

                        .Select(p => p.Value)

                        .ToArray();

                }

            }

        }

    }

​

    public class Info

    {

        private string infoMessage;

​

        /// <remarks/>

        [System.Xml.Serialization.XmlElement("InfoName")]

        public string InfoMessage

        {

            get

            {

                return this.infoMessage;

            }

            set

            {

                this.infoMessage = value;

            }

        }

    }

​

    public static class XmlKeyValueListHelper

    {

        const string RootLocalName = "Root";

​

        public static XElement [] SerializeToXElements<T>(this IEnumerable<KeyValuePair<string, T>> dictionary, XNamespace ns)

        {

            if (dictionary == null)

                return null;

            ns = ns ?? "";

            var serializer = XmlSerializerFactory.Create(typeof(T), RootLocalName, ns.NamespaceName);

            var array = dictionary

                .Select(p => new { p.Key, Value = p.Value.SerializeToXElement(serializer, true) })

                // Fix name and remove redundant xmlns= attributes.  XmlWriter will add them back if needed.

                .Select(p => new XElement(ns + p.Key, p.Value.Attributes().Where(a => !a.IsNamespaceDeclaration), p.Value.Elements()))

                .ToArray();

            return array;

        }

​

        public static IEnumerable<KeyValuePair<string, T>> DeserializeFromXElements<T>(this IEnumerable<XElement> elements)

        {

            if (elements == null)

                yield break;

            XmlSerializer serializer = null;

            XNamespace ns = null;

            foreach (var element in elements)

            {

                if (serializer == null || element.Name.Namespace != ns)

                {

                    ns = element.Name.Namespace;

                    serializer = XmlSerializerFactory.Create(typeof(T), RootLocalName, ns.NamespaceName);

                }

                var elementToDeserialize = new XElement(ns + RootLocalName, element.Attributes(), element.Elements());

                yield return new KeyValuePair<string, T>(element.Name.LocalName, elementToDeserialize.Deserialize<T>(serializer));

            }

        }

​

        public static XmlSerializerNamespaces NoStandardXmlNamespaces()

        {

            var ns = new XmlSerializerNamespaces();

            ns.Add("", ""); // Disable the xmlns:xsi and xmlns:xsd lines.

            return ns;

        }

​

        public static XElement SerializeToXElement<T>(this T obj)

        {

            return obj.SerializeToXElement(null, NoStandardXmlNamespaces());

        }

​

        public static XElement SerializeToXElement<T>(this T obj, XmlSerializerNamespaces ns)

        {

            return obj.SerializeToXElement(null, ns);

        }

​

        public static XElement SerializeToXElement<T>(this T obj, XmlSerializer serializer, bool omitStandardNamespaces)

        {

            return obj.SerializeToXElement(serializer, (omitStandardNamespaces ? NoStandardXmlNamespaces() : null));

        }

​

        public static XElement SerializeToXElement<T>(this T obj, XmlSerializer serializer, XmlSerializerNamespaces ns)

        {

            var doc = new XDocument();

            using (var writer = doc.CreateWriter())

                (serializer ?? new XmlSerializer(obj.GetType())).Serialize(writer, obj, ns);

            var element = doc.Root;

            if (element != null)

                element.Remove();

            return element;

        }

​

        public static T Deserialize<T>(this XContainer element, XmlSerializer serializer)

        {

            using (var reader = element.CreateReader())

            {

                object result = (serializer ?? new XmlSerializer(typeof(T))).Deserialize(reader);

                return (T)result;

            }

        }

    }

​

    public static class XmlSerializerFactory

    {

        // To avoid a memory leak the serializer must be cached.

        // https://stackoverflow.com/questions/23897145/memory-leak-using-streamreader-and-xmlserializer

        // This factory taken from 

        // https://stackoverflow.com/questions/34128757/wrap-properties-with-cdata-section-xml-serialization-c-sharp/34138648#34138648

​

        readonly static Dictionary<Tuple<Type, string, string>, XmlSerializer> cache;

        readonly static object padlock;

​

        static XmlSerializerFactory()

        {

            padlock = new object();

            cache = new Dictionary<Tuple<Type, string, string>, XmlSerializer>();

        }

​

        public static XmlSerializer Create(Type serializedType, string rootName, string rootNamespace)

        {

            if (serializedType == null)

                throw new ArgumentNullException();

            if (rootName == null && rootNamespace == null)

                return new XmlSerializer(serializedType);

            lock (padlock)

            {

                XmlSerializer serializer;

                var key = Tuple.Create(serializedType, rootName, rootNamespace);

                if (!cache.TryGetValue(key, out serializer))

                    cache[key] = serializer = new XmlSerializer(serializedType, new XmlRootAttribute { ElementName = rootName, Namespace = rootNamespace });

                return serializer;

            }

        }

    }

​

    public class TestClass

    {

        public static void Test()

        {

            var inputXml = GetInputXml();

            Test<GeneralInformation>(inputXml);

        }

        public static void Test<T>(string inputXml)

        {

            Console.WriteLine("Input XML: ");

            Console.WriteLine(inputXml);

            var root = inputXml.LoadFromXml<T>();

            var outputXml = root.GetXml();

            Console.WriteLine("Deserialized and re-serialized XML for {0}: ", root);

            Console.WriteLine(outputXml);           

            Assert.IsTrue(XNode.DeepEquals(XElement.Parse(inputXml), XElement.Parse(outputXml)));

            Console.WriteLine("\nInput and output XML are equivalent.");

        }

        static string GetInputXml() 

        {

            return @"<GeneralInformation  xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"">

    <InfoList>

        <Info001>

            <InfoName>Test1</InfoName>

        </Info001>

        <Info002>

            <InfoName>Test2</InfoName>

        </Info002>

        <Info003>

            <InfoName>Test3</InfoName>

        </Info003>

    </InfoList>

</GeneralInformation>";

        }

    }

​

    public static class XmlSerializationHelper

    {

        public static T LoadFromXml<T>(this string xmlString, XmlSerializer serial = null)

        {

            serial = serial ?? new XmlSerializer(typeof(T));

            using (var reader = new StringReader(xmlString))

            {

                return (T)serial.Deserialize(reader);

            }

        }

​

        public static string GetXml<T>(this T obj, bool omitStandardNamespaces)

        {

            return obj.GetXml(null, omitStandardNamespaces);

        }

        public static string GetXml<T>(this T obj, XmlSerializer serializer = null, bool omitStandardNamespaces = false)

        {

            XmlSerializerNamespaces ns = null;

            if (omitStandardNamespaces)

            {

                ns = new XmlSerializerNamespaces();

                ns.Add("", ""); // Disable the xmlns:xsi and xmlns:xsd lines.

            }           

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings() { Indent = true }; // For cosmetic purposes.

                using (var xmlWriter = XmlWriter.Create(textWriter, settings))

                    (serializer ?? new XmlSerializer(obj.GetType())).Serialize(xmlWriter, obj, ns);

                return textWriter.ToString();

            }

        }       

    }

​

    public class AssertionFailedException : System.Exception

    {

        public AssertionFailedException() : base() { }

​

        public AssertionFailedException(string s) : base(s) { }

    }

​

    public static class Assert

    {

        public static void IsTrue(bool value)

        {

            IsTrue(value, "failed");

        }

​

        public static void IsTrue(bool value, string message)

        {

            if (value == false)

                throw new AssertionFailedException(message ?? "failed");

        }

    }

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Roslyn 2.0 Compiler; Environment version: " + Environment.Version);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Uncaught exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​