using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

using System.Xml;

using System.IO;

using System.Diagnostics;

using System.Collections.ObjectModel;

using System.Threading;

using System.ComponentModel;

using System.Xml.Linq;

using System.Reflection;

using System.Data;

using System.Xml.Schema;

using System.Text.RegularExpressions;

using System.Net;

using System.Xml.XPath;

using System.Globalization;

using System.ComponentModel.DataAnnotations;

using System.Collections;

using System.Runtime.InteropServices;

using System.Runtime.Serialization;

​

// https://stackoverflow.com/questions/48392917/is-there-a-way-to-remove-only-the-xmlnsxsd-namespace-when-serializing-a-xml?noredirect=1#comment83802097_48392917

​

    [System.Xml.Serialization.XmlTypeAttribute(AnonymousType = true, Namespace = "http://www.sat.gob.mx/TimbreFiscalDigital")]

    [System.Xml.Serialization.XmlRootAttribute(Namespace = "http://www.sat.gob.mx/TimbreFiscalDigital", IsNullable = false)]

    public class TimbreFiscalDigital

    {

        string versionField;

​

        //[XmlAttribute]

        public string version { get { return versionField; } set { versionField = value; } }

        [XmlNamespaceDeclarations]

        public XmlSerializerNamespaces Xmlns 

        {

            get

            {

                return new XmlSerializerNamespaces()

                    .With("tfd", "http://www.sat.gob.mx/TimbreFiscalDigital")

                    .With("xsi", XmlSchema.InstanceNamespace);

            }

            set { /* Do nothing */ }

        }

        [XmlAttribute("schemaLocation", Namespace = XmlSchema.InstanceNamespace)]

        public string xsiSchemaLocation = "http://www.sat.gob.mx/TimbreFiscalDigital http://www.sat.gob.mx/sitio_internet/cfd/TimbreFiscalDigital/TimbreFiscalDigitalv11.xsd";

​

        public TimbreFiscalDigital()

        {

            this.versionField = "1.1";

        }

    }

​

    public static partial class XmlSerializationHelper

    {

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

        {

            ns = ns ?? obj.GetXmlNamespaceDeclarations();

            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 static XmlSerializerNamespaces GetXmlNamespaceDeclarations<T>(this T obj)

        {

            if (obj == null)

                return null;

            var type = obj.GetType();

            return type.GetFields()

                .Where(f => Attribute.IsDefined(f, typeof(XmlNamespaceDeclarationsAttribute)))

                .Select(f => f.GetValue(obj))

                .Concat(type.GetProperties()

                    .Where(p => Attribute.IsDefined(p, typeof(XmlNamespaceDeclarationsAttribute)))

                    .Select(p => p.GetValue(obj, null)))

                .OfType<XmlSerializerNamespaces>()

                .SingleOrDefault();

        }

        public static XmlSerializerNamespaces With(this XmlSerializerNamespaces xmlns, string prefix, string ns)

        {

            if (xmlns == null)

                throw new ArgumentNullException();

            xmlns.Add(prefix, ns);

            return xmlns;

        }       

    }

​

    public class Container

    {

        public TimbreFiscalDigital TimbreFiscalDigital { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            var root = new TimbreFiscalDigital();

            var xml = root.GetXml();

            DumpXml(xml);

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

            Assert.IsTrue(root.version == root2.version);

            var container = new Container { TimbreFiscalDigital = root };

            var xml2 = container.GetXml();

            Console.WriteLine();

            Console.WriteLine(xml2);

        }

        static void DumpXml(string xml)

        {

            Console.WriteLine();

            Console.WriteLine(xml);

            var element = XElement.Parse(xml);

​

            Console.WriteLine("\nAttributes: ");

            Console.WriteLine("    " + String.Join("\n    ", element.Attributes().Select(a => a.ToString())));

            Assert.IsTrue(!element.Attributes().Any(a => a.IsNamespaceDeclaration && (a.Value == "http://www.w3.org/2001/XMLSchema" || a.Name.LocalName == "xsd")));

        }

    }

​

    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 static partial 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, bool omitStandardNamespaces)

        {

            XmlSerializerNamespaces ns = null;

            if (omitStandardNamespaces)

            {

                ns = new XmlSerializerNamespaces();

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

            }           

            return obj.GetXml(serializer, ns);

        }

    }

    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;

            }

        }

    }

​