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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 <C_CkJsonObjectW.h>
#include <C_CkJsonArrayW.h>

void ChilkatSample(void)
    {
    HCkJsonObjectW jsonA;
    HCkJsonObjectW jsonB;
    HCkJsonArrayW jsonUsersDest;
    HCkJsonArrayW jsonUsersSrc;

    // Imagine we have two separate JSON objects.
    jsonA = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(jsonA,L"ciphertext",L"encryptedData");
    CkJsonObjectW_UpdateInt(jsonA,L"status",200);
    CkJsonObjectW_UpdateString(jsonA,L"error",L"errorMsg");

    CkJsonObjectW_putEmitCompact(jsonA,FALSE);
    wprintf(L"%s\n",CkJsonObjectW_emit(jsonA));

    // jsonA contains:

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

    jsonB = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(jsonB,L"users[0].role",L"Surgeon");
    CkJsonObjectW_UpdateNewArray(jsonB,L"users[0].sub_roles");
    CkJsonObjectW_UpdateBool(jsonB,L"users[0].viewable_for_sharing",TRUE);
    CkJsonObjectW_UpdateInt(jsonB,L"users[0].eula_create_date",123);
    CkJsonObjectW_UpdateString(jsonB,L"users[1].role",L"Support");
    CkJsonObjectW_UpdateString(jsonB,L"users[1].sub_roles[0]",L"Tech");
    CkJsonObjectW_UpdateString(jsonB,L"users[1].sub_roles[1]",L"Service");
    CkJsonObjectW_UpdateBool(jsonB,L"users[1].viewable_for_sharing",TRUE);
    CkJsonObjectW_UpdateInt(jsonB,L"users[1].eula_create_date",123);

    CkJsonObjectW_putEmitCompact(jsonB,FALSE);
    wprintf(L"%s\n",CkJsonObjectW_emit(jsonB));

    // 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.
    jsonUsersDest = CkJsonArrayW_Create();
    CkJsonObjectW_AppendArray2(jsonA,L"users",jsonUsersDest);

    jsonUsersSrc = CkJsonArrayW_Create();
    CkJsonObjectW_ArrayOf2(jsonB,L"users",jsonUsersSrc);

    // Copy the array items from source to dest
    CkJsonArrayW_AppendArrayItems(jsonUsersDest,jsonUsersSrc);

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

    // 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
    //     }
    //   ]
    // }


    CkJsonObjectW_Dispose(jsonA);
    CkJsonObjectW_Dispose(jsonB);
    CkJsonArrayW_Dispose(jsonUsersDest);
    CkJsonArrayW_Dispose(jsonUsersSrc);

    }