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;

​

//https://stackoverflow.com/questions/51520869/get-value-within-the-cdata-within-tab-delimited-text-file-using-c-sharp

​

    public class TestClass

    {

        public static void Test()

        {

            string cdatastring = "<![CDATA[John Smith]]>";

            string expected = "John Smith";         

            TestSimple(cdatastring, expected);

            TestReaders(cdatastring, expected);

        }

        static void TestSimple(string cdatastring, string expected)

        {

            var value = XElement.Parse("<a>" + cdatastring + "</a>").Value;

            Console.WriteLine(value); // Prints John Smith

            Assert.IsTrue(value == expected);

        }

        static void TestReaders(string cdatastring, string expected)

        {

            var value = XmlExtensions.ParseFragment(cdatastring).Value;

            Console.WriteLine(value); // Prints John Smith

            Assert.IsTrue(value == expected);

        }

    }

​

    public static class XmlExtensions

    {

        public static XElement ParseFragment(string xmlFragment)

        {

            using (var reader = new StringReader("<a>").Concat(new StringReader(xmlFragment)).Concat(new StringReader("</a>")))

            {

                return XElement.Load(reader);

            }

        }

    }

​

    public static class StringExtensions

    {

        // Taken from https://stackoverflow.com/questions/2925652/how-to-string-multiple-textreaders-together/2925722#2925722

        // by Rex M

        public static TextReader Concat(this TextReader first, TextReader second)

        {

            return new ChainedTextReader(first, second);

        }

        private class ChainedTextReader : TextReader

        {

            private TextReader first;

            private TextReader second;

            private bool readFirst = true;

            public ChainedTextReader(TextReader first, TextReader second)

            {

                this.first = first;

                this.second = second;

            }

            public override int Peek()

            {

                if (readFirst)

                {

                    return first.Peek();

                }

                else

                {

                    return second.Peek();

                }

            }

            public override int Read()

            {

                if (readFirst)

                {

                    int value = first.Read();

                    if (value == -1)

                    {

                        readFirst = false;

                    }

                    else

                    {

                        return value;

                    }

                }

                return second.Read();

            }

            public override void Close()

            {

                first.Close();

                second.Close();

            }

            protected override void Dispose(bool disposing)

            {

                base.Dispose(disposing);

                if (disposing)

                {

                    first.Dispose();

                    second.Dispose();

                }

            }

        }

    }

​

    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;

            }

        }

    }

​