(Unicode C++) POST JSON to REST API with non-us-ascii Chars Escaped

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Note: This example requires Chilkat v11.1.0 or greater.

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#include <CkRestW.h>
#include <CkJsonObjectW.h>
#include <CkStringBuilderW.h>

void ChilkatSample(void)
    {
    bool success = false;

    success = false;

    CkRestW rest;

    // Connect using TLS.
    bool bAutoReconnect = true;
    success = rest.Connect(L"chilkatsoft.com",443,true,bAutoReconnect);

    // Load JSON containing the following Korean text.

    //  {
    //    "BillAddr": {
    //       "Id": "239615",
    //       "Line1": "류리하",
    //       "Line2": "류리하류리하",
    //       "City": "류리하류리하",
    //       "Country": "US",
    //       "CountrySubDivisionCode": "AK",
    //       "PostalCode": "류리하"
    //     }
    // }

    CkJsonObjectW json;
    json.put_EmitCompact(false);
    success = json.LoadFile(L"qa_data/json/korean.json");
    if (success == false) {
        wprintf(L"%s\n",json.lastErrorText());
        return;
    }

    success = rest.AddHeader(L"Content-Type",L"application/json; charset=UTF-8");

    CkStringBuilderW sb;
    json.EmitSb(sb);
    sb.Encode(L"unicodeescape",L"utf-8");

    wprintf(L"%s\n",sb.getAsString());

    // The StringBuilder contains this:

    // {
    //   "BillAddr": {
    //     "Id": "239615",
    //     "Line1": "\ub958\ub9ac\ud558",
    //     "Line2": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
    //     "City": "\ub958\ub9ac\ud558\ub958\ub9ac\ud558",
    //     "Country": "US",
    //     "CountrySubDivisionCode": "AK",
    //     "PostalCode": "\ub958\ub9ac\ud558"
    //   }
    // }

    CkStringBuilderW sbResp;
    success = rest.FullRequestSb(L"POST",L"/echo_request_body.asp",sb,sbResp);
    if (success == false) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    // Show the response. 
    wprintf(L"Json Response: %s\n",sbResp.getAsString());
    }