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Unicode C++

Insert JSON Array into another JSON Object

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Demonstrates how to insert a JSON array into a JSON object.

Chilkat Unicode C++ Downloads

Unicode C++
#include <CkJsonObjectW.h>
#include <CkJsonArrayW.h>

void ChilkatSample(void)
    {
    // Imagine we have two separate JSON objects.
    CkJsonObjectW jsonA;
    jsonA.UpdateString(L"ciphertext",L"encryptedData");
    jsonA.UpdateInt(L"status",200);
    jsonA.UpdateString(L"error",L"errorMsg");

    jsonA.put_EmitCompact(false);
    wprintf(L"%s\n",jsonA.emit());

    // jsonA contains:

    // {
    //   "ciphertext": "encryptedData",
    //   "status": 200,
    //   "error": "errorMsg"
    // }

    CkJsonObjectW jsonB;
    jsonB.UpdateString(L"users[0].role",L"Surgeon");
    jsonB.UpdateNewArray(L"users[0].sub_roles");
    jsonB.UpdateBool(L"users[0].viewable_for_sharing",true);
    jsonB.UpdateInt(L"users[0].eula_create_date",123);
    jsonB.UpdateString(L"users[1].role",L"Support");
    jsonB.UpdateString(L"users[1].sub_roles[0]",L"Tech");
    jsonB.UpdateString(L"users[1].sub_roles[1]",L"Service");
    jsonB.UpdateBool(L"users[1].viewable_for_sharing",true);
    jsonB.UpdateInt(L"users[1].eula_create_date",123);

    jsonB.put_EmitCompact(false);
    wprintf(L"%s\n",jsonB.emit());

    // jsonB contains:

    // {
    //   "users": [
    //     {
    //       "role": "Surgeon",
    //       "sub_roles": [],
    //       "viewable_for_sharing": true,
    //       "eula_create_date": 1649108922482
    //     },
    //     {
    //       "role": "Support",
    //       "sub_roles": [
    //         "Tech",
    //         "Service"
    //       ],
    //       "viewable_for_sharing": true,
    //       "eula_create_date": 1649108951523
    //     }
    //   ]
    // }

    // Let's say we want to insert jsonB into jsonA to get this:

    // {
    //   "ciphertext": "encryptedData",
    //   "status": 200,
    //   "error": "errorMsg",
    //   "users": [
    //     {
    //       "role": "Surgeon",
    //       "sub_roles": [],
    //       "viewable_for_sharing": true,
    //       "eula_create_date": 1649108922482
    //     },
    //     {
    //       "role": "Support",
    //       "sub_roles": [
    //         "Tech",
    //         "Service"
    //       ],
    //       "viewable_for_sharing": true,
    //       "eula_create_date": 1649108951523
    //     }
    //   ]
    // }

    // The destination is the empty "users" array, the source is the populated "users" array in jsonB.
    CkJsonArrayW jsonUsersDest;
    jsonA.AppendArray2(L"users",jsonUsersDest);

    CkJsonArrayW jsonUsersSrc;
    jsonB.ArrayOf2(L"users",jsonUsersSrc);

    // Copy the array items from source to dest
    jsonUsersDest.AppendArrayItems(jsonUsersSrc);

    wprintf(L"%s\n",jsonA.emit());

    // The end result is this:

    // {
    //   "ciphertext": "encryptedData",
    //   "status": 200,
    //   "error": "errorMsg",
    //   "users": [
    //     {
    //       "role": "Surgeon",
    //       "sub_roles": [
    //       ],
    //       "viewable_for_sharing": true,
    //       "eula_create_date": 123
    //     },
    //     {
    //       "role": "Support",
    //       "sub_roles": [
    //         "Tech",
    //         "Service"
    //       ],
    //       "viewable_for_sharing": true,
    //       "eula_create_date": 123
    //     }
    //   ]
    // }
    }