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C

Insert JSON Array into another JSON Object

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

Chilkat C Downloads

C
#include <C_CkJsonObject.h>
#include <C_CkJsonArray.h>

void ChilkatSample(void)
    {
    HCkJsonObject jsonA;
    HCkJsonObject jsonB;
    HCkJsonArray jsonUsersDest;
    HCkJsonArray jsonUsersSrc;

    //  Imagine we have two separate JSON objects.
    jsonA = CkJsonObject_Create();
    CkJsonObject_UpdateString(jsonA,"ciphertext","encryptedData");
    CkJsonObject_UpdateInt(jsonA,"status",200);
    CkJsonObject_UpdateString(jsonA,"error","errorMsg");

    CkJsonObject_putEmitCompact(jsonA,FALSE);
    printf("%s\n",CkJsonObject_emit(jsonA));

    //  jsonA contains:

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

    jsonB = CkJsonObject_Create();
    CkJsonObject_UpdateString(jsonB,"users[0].role","Surgeon");
    CkJsonObject_UpdateNewArray(jsonB,"users[0].sub_roles");
    CkJsonObject_UpdateBool(jsonB,"users[0].viewable_for_sharing",TRUE);
    CkJsonObject_UpdateInt(jsonB,"users[0].eula_create_date",123);
    CkJsonObject_UpdateString(jsonB,"users[1].role","Support");
    CkJsonObject_UpdateString(jsonB,"users[1].sub_roles[0]","Tech");
    CkJsonObject_UpdateString(jsonB,"users[1].sub_roles[1]","Service");
    CkJsonObject_UpdateBool(jsonB,"users[1].viewable_for_sharing",TRUE);
    CkJsonObject_UpdateInt(jsonB,"users[1].eula_create_date",123);

    CkJsonObject_putEmitCompact(jsonB,FALSE);
    printf("%s\n",CkJsonObject_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 = CkJsonArray_Create();
    CkJsonObject_AppendArray2(jsonA,"users",jsonUsersDest);

    jsonUsersSrc = CkJsonArray_Create();
    CkJsonObject_ArrayOf2(jsonB,"users",jsonUsersSrc);

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

    printf("%s\n",CkJsonObject_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
    //      }
    //    ]
    //  }


    CkJsonObject_Dispose(jsonA);
    CkJsonObject_Dispose(jsonB);
    CkJsonArray_Dispose(jsonUsersDest);
    CkJsonArray_Dispose(jsonUsersSrc);

    }