Bdtjtk

I know this is an old chestnut but I want to do this without importing newton-soft or json.net

I know this should work

this is the json :

{ "do": "Thing", "with": "abc" }

literally that's it. I need to get this into c# land

this is what I have so far

var json = wc.DownloadString("url");

Console.WriteLine("GOT >> " + json); //says GOT >> { "do": "Thing", "with": "abc" }

var sJson = new JavaScriptSerializer();

var data = sJson.Deserialize<Dictionary<string, string>>(json); //crashes with No parameterless constructor defined for type of 'System.Collections.Generic.Dictionary

what is the leanest least bloated way possible way that I can get data["do"] and data["with"] from my single line json? It will only ever return one thing ... if I have to string walk it I will but it shouldn't be this hard

You can create a backing class for the data

public class Data {

    public string do { get; set; }

    public string with { get; set; }

}

and simply desrialize to that

var data = sJson.Deserialize<Data>(json);

If the provided data is in fact an array then update the generic return type accordingly

There's no array in your JSON, just a simple object so it can be deserialized to a single Dictionary instance. Simply change Dictionary<string, string> to Dictionary<string, string>. Like this:

var data = sJson.Deserialize<Dictionary<string, string>>(json);

You can then access your values like this:

data["do"] // returns "Thing"

data["with"] // returns "abc"

The array is the problem. Try this (Try it Online!):

var json = "{ "do": "Thing", "with": "abc" }";

var data = JsonConvert.DeserializeObject<Dictionary<string, string>>(json);

Console.WriteLine(data["do"]);

Console.WriteLine(data["with"]);

output

Thing

abc

Note that I am using Json.NET here as written in the documentation:

Json.NET should be used for serialization and deserialization. Provides serialization and deserialization functionality for AJAX-enabled applications.

source

You can use Regex :

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;



namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string args)

        {

            string input = "{ "do": "Thing", "with": "abc" }";

            string pattern = ""(?'key'[^"]+)":\s+"(?'value'[^"]+)";



            MatchCollection matches = Regex.Matches(input, pattern);



            Dictionary<string, string> dict = matches.Cast<Match>()

                .GroupBy(x => x.Groups["key"].Value, y => y.Groups["value"].Value)

                .ToDictionary(x => x.Key, y => y.FirstOrDefault());

        }

    }

}