questions/53142925/identify-html-nodes-in-xdocument-for-replacement-and-translation-to-json | C# Online Compiler

questions/53142925/identify-html-nodes-in-xdocument-for-replacement-and-translation-to-json by dbc_MinLength

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 NUnit.Framework; //NUnit.Framework.AssertionException

//https://stackoverflow.com/questions/53142925/identify-html-nodes-in-xdocument-for-replacement-and-translation-to-json

    public class TestClass
    {
        public static void Test()
        {
			var newxdoc = XDocument.Parse(GetXml());
			
			var query = from e in newxdoc.Descendants()
						//find those elements whose first child has the local name of "html"
						let child = e.Elements().FirstOrDefault()				
						where child != null && child.Name.LocalName == "html"
						select e;
				
			foreach (var element in query.ToList())
			{
				// Remove html and replace with plain text.
				var replacenode = new XElement(element.Name, element.Value);
				element.ReplaceWith(replacenode);
			}
			
			Console.WriteLine(newxdoc);
			
			Assert.IsTrue(!newxdoc.ToString().Contains("<html>"));
        }
		
		static string GetXml()
		{
			var xml = @"<?xml version=""1.0"" encoding=""utf-8""?>
<myFields>
  <Request_Description>
    <html>
            <div>test</div>
        </html>
  </Request_Description>
  <Alternatives>
    <html>
      <div>n/a</div>
    </html>
  </Alternatives>
  <Outcome>
    <html>
      <div>n/a</div>
    </html>
  </Outcome>
  <TestNodeWithNesedHtmlTags>
            <html><div>test<html>OK <b>what</b> happens with nested html tags?
</html></div><html>OK what happens with nested html tags?</html></html>
  </TestNodeWithNesedHtmlTags>
</myFields>";
			return xml;
		}
    }

	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;
			}
		}
	}

​x
 
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 NUnit.Framework; //NUnit.Framework.AssertionException
​
//https://stackoverflow.com/questions/53142925/identify-html-nodes-in-xdocument-for-replacement-and-translation-to-json
​
    public class TestClass
    {
        public static void Test()
        {
            var newxdoc = XDocument.Parse(GetXml());
            
            var query = from e in newxdoc.Descendants()
                        //find those elements whose first child has the local name of "html"
                        let child = e.Elements().FirstOrDefault()               
                        where child != null && child.Name.LocalName == "html"
                        select e;
                
            foreach (var element in query.ToList())
            {
                // Remove html and replace with plain text.
                var replacenode = new XElement(element.Name, element.Value);
                element.ReplaceWith(replacenode);
            }
            
            Console.WriteLine(newxdoc);
            
            Assert.IsTrue(!newxdoc.ToString().Contains("<html>"));
        }
        
        static string GetXml()
        {
            var xml = @"<?xml version=""1.0"" encoding=""utf-8""?>
<myFields>
  <Request_Description>
    <html>
            <div>test</div>
        </html>
  </Request_Description>
  <Alternatives>
    <html>
      <div>n/a</div>
    </html>
  </Alternatives>
  <Outcome>
    <html>
      <div>n/a</div>
    </html>
  </Outcome>
  <TestNodeWithNesedHtmlTags>
            <html><div>test<html>OK <b>what</b> happens with nested html tags?
</html></div><html>OK what happens with nested html tags?</html></html>
  </TestNodeWithNesedHtmlTags>
</myFields>";
            return xml;
        }
    }
​
    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;
            }
        }
    }
​

View IL Code