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Unicode C++

Iterate over JSON Array containing JSON Objects

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

Chilkat Unicode C++ Downloads

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

void ChilkatSample(void)
    {
    bool 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..
    CkStringBuilderW sbJsonArray;
    success = sbJsonArray.LoadFile(L"qa_data/json/arraySample.json",L"utf-8");

    CkJsonArrayW arr;
    success = arr.LoadSb(sbJsonArray);

    int tagId;
    const wchar_t *tagDescription = 0;
    bool isPublic;

    int i = 0;
    int count = arr.get_Size();
    CkJsonObjectW *obj = 0;
    while (i < count) {
        obj = arr.ObjectAt(i);
        tagId = obj->IntOf(L"tagId");
        tagDescription = obj->stringOf(L"tagDescription");
        isPublic = obj->BoolOf(L"isPublic");

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

        delete obj;
        i = i + 1;
    }
    }