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    // Parse JSON and show errors if needed
Json::CharReaderBuilder rbuilder;Json::Reader reader;
Json::Value root;
// Configure the Builder, then ...
std::string errs;
std::istringstream config_doc(jsonString);

bool parsingSuccessful = Json::parseFromStream(rbuilder, config_doc, &root, &errs);

here we get Json::value root which gives us ordered list of the parameters how can we get the original state of params? jsonString example= { "_id" : 0, "title" : "", "author" : "", "available" : 0, "checkout" : "" }

with above example when we iterate the root i get : _id, author,available,checkout,title which is ordered by parameter name but i want it in the order the json object is i.e _id,title,author,available,checkout

any help?

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  • What do you mean by "ordered" Json::value? What is the output you get and what do you expect? Can you please edit the post and clarify this? Commented Jan 19, 2022 at 6:55
  • 1
    jsoncpp simply doesn't support this, see e.g. here. the json specification also doesn't--a JSON object is an unordered collection of key-value pairs, so there's no obligation for a conforming parser to respect insertion order. if you need the order of elements to remain stable, consider using JSON arrays like [{"paramName": "_id":, "paramValue": "0"}, ... ] instead of objects Commented Jan 19, 2022 at 6:57
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