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Unicode C++

Using JSON StringOf with Non-String Members

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If a JSON member is a boolean, integer, or null, using StringOf will return its string representation.

Chilkat Unicode C++ Downloads

Unicode C++
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    // Create JSON with members of different data types.
    CkJsonObjectW json;

    json.UpdateInt(L"a",123);
    json.UpdateBool(L"b",true);
    json.UpdateNull(L"c");

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

    // Resulting JSON:
    // {
    //   "a": 123,
    //   "b": true,
    //   "c": null
    // }

    const wchar_t *a = json.stringOf(L"a");
    wprintf(L"%s\n",a);

    const wchar_t *b = json.stringOf(L"b");
    wprintf(L"%s\n",b);

    const wchar_t *c = json.stringOf(L"c");
    wprintf(L"%s\n",c);

    // Output

    // 123
    // true
    // null

    // If you want to get the integer, boolean, or null value
    // you need to use the methods matching the data type
    int ival = json.IntOf(L"a");
    bool bval = json.BoolOf(L"b");
    bool hasNull = json.IsNullOf(L"c");
    }