C++ JSON writer that allows array of strings

Question

I need a C++ library (or headers, or code snippet) that will allow me to write JSON that includes an array of strings, such as a bunch of error messages.

Boost's property tree does not allow arrays of strings as far as I can tell - though I am using boost for another part of the project.

Ideally the JSON can be sent to stdout, though if it has to be written to a file I can live with that.

Any ideas what I can use?

tauran · Accepted Answer · 2013-12-11 14:33:21Z

1

I like http://jsoncpp.sourceforge.net/

Json::Value fromScratch;
Json::Value array;  // this is the array of strings
array.append("hello");
array.append("world");
fromScratch["hello"] = "world";
fromScratch["number"] = 2;
fromScratch["array"] = array;
fromScratch["object"]["hello"] = "world";

// write in a nice readible way
Json::StyledWriter styledWriter;
std::cout << styledWriter.write(fromScratch);

Example taken from http://www.thomaswhitton.com/blog/2013/06/27/json-c-plus-plus-examples/

answered Dec 11, 2013 at 14:33

tauran

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Lightness Races in Orbit Over a year ago

Yes, JsonCpp is great!

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