C

Iterate over JSON Array containing JSON Objects

See more JSON Examples

Demonstrates how to load a JSON array and iterate over the JSON objects. C

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

void ChilkatSample(void)
    {
    BOOL success;
    HCkStringBuilder sbJsonArray;
    HCkJsonArray arr;
    int tagId;
    const char *tagDescription;
    BOOL isPublic;
    int i;
    int count;
    HCkJsonObject obj;

    success = FALSE;

    // Loads the following JSON array and iterates over the objects:
    // 
    // [
    // {"tagId":95,"tagDescription":"hola 1","isPublic":true},
    // {"tagId":98,"tagDescription":"hola 1","isPublic":true},
    // {"tagId":101,"tagDescription":"hola 1","isPublic":true},
    // {"tagId":104,"tagDescription":"hola 1","isPublic":true},
    // {"tagId":107,"tagDescription":"hola 1","isPublic":true},
    // {"tagId":110,"tagDescription":"hola 1","isPublic":true},
    // {"tagId":113,"tagDescription":"hola 1","isPublic":true},
    // {"tagId":114,"tagDescription":"hola 2","isPublic":true},
    // {"tagId":111,"tagDescription":"hola 2","isPublic":true},
    // {"tagId":108,"tagDescription":"hola 2","isPublic":true},
    // {"tagId":105,"tagDescription":"hola 2","isPublic":true},
    // {"tagId":102,"tagDescription":"hola 2","isPublic":true},
    // {"tagId":99,"tagDescription":"hola 2","isPublic":true},
    // {"tagId":96,"tagDescription":"hola 2","isPublic":true},
    // {"tagId":97,"tagDescription":"hola 3","isPublic":true},
    // {"tagId":100,"tagDescription":"hola 3","isPublic":true},
    // {"tagId":103,"tagDescription":"hola 3","isPublic":true},
    // {"tagId":106,"tagDescription":"hola 3","isPublic":true},
    // {"tagId":109,"tagDescription":"hola 3","isPublic":true},
    // {"tagId":112,"tagDescription":"hola 3","isPublic":true},
    // {"tagId":115,"tagDescription":"hola 3","isPublic":true},
    // {"tagId":93,"tagDescription":"new tag","isPublic":true},
    // {"tagId":94,"tagDescription":"new tag","isPublic":true},
    // {"tagId":89,"tagDescription":"tag 1","isPublic":true},
    // {"tagId":90,"tagDescription":"tag 2","isPublic":true},
    // {"tagId":91,"tagDescription":"tag private 1","isPublic":false},
    // {"tagId":92,"tagDescription":"tag private 2","isPublic":false}
    // ]

    // Load a file containing the above JSON..
    sbJsonArray = CkStringBuilder_Create();
    success = CkStringBuilder_LoadFile(sbJsonArray,"qa_data/json/arraySample.json","utf-8");

    arr = CkJsonArray_Create();
    success = CkJsonArray_LoadSb(arr,sbJsonArray);

    i = 0;
    count = CkJsonArray_getSize(arr);

    while (i < count) {
        obj = CkJsonArray_ObjectAt(arr,i);
        tagId = CkJsonObject_IntOf(obj,"tagId");
        tagDescription = CkJsonObject_stringOf(obj,"tagDescription");
        isPublic = CkJsonObject_BoolOf(obj,"isPublic");

        printf("tagId: %d\n",tagId);
        printf("tagDescription: %s\n",tagDescription);
        printf("isPublic: %d\n",isPublic);
        printf("--\n");

        CkJsonObject_Dispose(obj);
        i = i + 1;
    }



    CkStringBuilder_Dispose(sbJsonArray);
    CkJsonArray_Dispose(arr);

    }