get string from JSON file c /cli

Question

i have a json file which i need to parse and get some string from it is there any code or example in managed c++ (c++/cli) thanks. here is an extract from my json file i nedd to get all Nodes

{ "ID": "{15DFD536-EC23-4624-803E-5AA719DC7A85}", " Nodes": [ -0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0, -0.01, 0.01 ]}

Using the Json.NET library is boilerplate, works fine from C++/CLI as well. — Hans Passant
– Hans Passant, Commented Jun 18, 2013 at 11:51
+1 Json.NET is the way to go, the best JSON library in .Net. :) — Pragmateek
– Pragmateek, Commented Jun 18, 2013 at 13:06

Pragmateek · Accepted Answer · 2013-06-18 18:00:45Z

3

Here is a sample using Json.NET:

#include "stdafx.h"

using namespace System;
using namespace Newtonsoft::Json;

ref class MyData
{
    public: Guid ID;
    public: array<double>^ Nodes;
};

int main(array<System::String ^> ^args)
{
    String^ json = "{ \"ID\": \"{15DFD536-EC23-4624-803E-5AA719DC7A85}\", \"Nodes\": [ -0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0.01, 0, -0.01, 0.01 ]}";

    MyData^ data = JsonConvert::DeserializeObject<MyData^>(json);

    Console::WriteLine("ID: {0}\nNodes: {1}", data->ID, String::Join(",", System::Linq::Enumerable::Cast<Object^>(data->Nodes)));

    return 0;
}

Result:

ID: 15dfd536-ec23-4624-803e-5aa719dc7a85
Nodes: -0.01,0.01,0.01,0.01,0.01,0.01,0.01,0.01,0,-0.01,0.01

answered Jun 18, 2013 at 18:00

Pragmateek

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