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.IO.Compression;

using System.Xml.Schema;

​

//https://stackoverflow.com/questions/51814089/why-a-xml-string-cannot-be-deserialized-due-to-prefixes-in-root-elements

​

    [XmlRoot(ElementName="fund")]

    public class Fund 

    {

        [XmlElement(ElementName="name")]

        public string Name { get; set; }

        [XmlElement(ElementName="indexName")]

        public string IndexName { get; set; }

        [XmlAttribute(AttributeName="yclass")]

        public string Yclass { get; set; }

    }

    [XmlRoot(ElementName="instance")]

    [XmlType(Namespace = "")] // Add this

    public class Instance 

    {

        [XmlElement(ElementName="language")]

        public Language Language { get; set; }

        [XmlElement(ElementName="threshold")]

        public string Threshold { get; set; }

        [XmlElement(ElementName="typePeriod")]

        public string TypePeriod { get; set; }

        [XmlElement(ElementName="interval")]

        public string Interval { get; set; }

        [XmlElement(ElementName="valuePeriod")]

        public string ValuePeriod { get; set; }

        [XmlElement(ElementName="fund")]

        public Fund Fund { get; set; }

        [XmlAttribute(AttributeName="yclass")]

        public string Yclass { get; set; }

        [XmlAttribute(AttributeName="yid")]

        public string Yid { get; set; }

    }

    [XmlRoot(ElementName="datas", Namespace="http://www.blahblah.com/engine/42")]

    public class Datas

    {

        [XmlElement(ElementName="instance", Namespace="http://www.blahblah.com/engine/42")]

        public Instance Instance { get; set; }

    }

    [XmlRoot(ElementName="input", Namespace="http://www.blahblah.com/engine/42")]

    public class Input

    {

        [XmlElement(ElementName="datas", Namespace="http://www.blahblah.com/engine/42")]

        public Datas Datas { get; set; }

        //Remove This

        //[XmlAttribute(AttributeName="y", Namespace="http://www.blahblah.com/engine/42", Form = XmlSchemaForm.Qualified)]

        //public string Y { get; set; }

    }

​

    // Add this

    [XmlRoot(ElementName="language")]

    public class Language 

    {

        [XmlAttribute(AttributeName="yid")]

        public string Yid { get; set; }

    }

​

    public class TestClass

    {

        public static void Test()

        {

            Console.WriteLine("Input XML: ");

            File.WriteAllText("file.xml", GetXml());

            Console.WriteLine(File.ReadAllText("file.xml"));

            Input instance = null;

            var serializer = new XmlSerializer(typeof(Input));

            using (var stringReader = new StreamReader("file.xml"))

            {

                using(var xmlReader = XmlReader.Create(stringReader))

                {

                    instance = (Input)serializer.Deserialize(xmlReader);

                }

            }           

            TestOutput(instance);

        }

        public static void TestOutput(Input root)

        {

            XmlSerializerNamespaces ns = new XmlSerializerNamespaces();

            ns.Add("y", "http://www.blahblah.com/engine/42");

            var xml = root.GetXml(ns);

            Console.WriteLine("\nXML generated for {0}:", root);

            Console.WriteLine(xml);

​

            var root2 = xml.LoadFromXml<Input>();

            Console.WriteLine("{0} deserialied successfully from generated XML.\n", root2);

        }

        static string GetXml()

        {

            var xml = @"<y:input xmlns:y='http://www.blahblah.com/engine/42'>

    <y:datas>

        <y:instance yclass='ReportPeriod' yid=""report"">

            <language yid='en'/>

            <threshold>0.6</threshold>

            <typePeriod>predefinedPeriod</typePeriod>

            <interval>month</interval>

            <valuePeriod>April</valuePeriod>

            <fund yclass=""Fund"">

                <name>K</name>

                <indexName>CAC40</indexName>

            </fund>

        </y:instance>

    </y:datas>

</y:input>";

            return xml;

        }

    }

​

    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.

            }           

            return GetXml(obj, serializer, ns);

        }

        public static string GetXml<T>(this T obj, XmlSerializerNamespaces ns)

        {

            return GetXml(obj, new XmlSerializer(obj.GetType()), ns);

        }

        public static string GetXml<T>(T obj, XmlSerializer serializer, XmlSerializerNamespaces ns)

        {

            serializer = serializer ?? new XmlSerializer(obj.GetType());

            using (var textWriter = new StringWriter())

            {

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

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

                    serializer.Serialize(xmlWriter, obj, ns);

                return textWriter.ToString();

            }

        }

​

        public static string GetOuterXml(this XmlNode node, bool indent = true)

        {

            if (node == null)

                return null;

            using (var textWriter = new StringWriter())

            {

                var settings = new XmlWriterSettings

                {

                    Indent = indent,

                    OmitXmlDeclaration = true,

                };

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

                {

                    node.WriteTo(xmlWriter);

                }

                return textWriter.ToString();

            }

        }

    }

    public static class XmlAssert

    {

        // https://weblogs.asp.net/marianor/easy-way-to-compare-two-xmls-for-equality

        // https://stackoverflow.com/questions/7318157/best-way-to-compare-xelement-objects

        // Adapted from the answer https://stackoverflow.com/a/14463137 by https://stackoverflow.com/users/1102100/robjohnson

        public static void AreEqual(

            XElement expected,

            XElement actual)

        {

            Assert.IsTrue(XNode.DeepEquals(Normalize(expected), Normalize(actual)));

        }

​

        private static XElement Normalize(XElement element)

        {

            if (element.HasElements)

            {

                return new XElement(

                    element.Name,

                    element.Attributes()

                           .OrderBy(a => a.Name.ToString()),

                    element.Elements()

                           .OrderBy(a => a.Name.ToString())

                           .Select(e => Normalize(e)));

​

            }

​

            if (element.IsEmpty)

            {

                return new XElement(

                    element.Name,

                    element.Attributes()

                           .OrderBy(a => a.Name.ToString()));

            }

​

            return new XElement(element.Name, element.Attributes()

                .OrderBy(a => a.Name.ToString()), element.Value);

        }

    }

    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;

            }

        }

    }

​