(Unicode C++) Read/Write JSON with Binary Data such as JPEG Files

Demonstrates how binary files could be stored in JSON in base64 format. Creates JSON containing the contents of a JPG file, and then reads the JSON to extract the JPEG image.

Chilkat C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#include <CkBinDataW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    // First load a small JPG file..
    CkBinDataW bd;

    bool success = bd.LoadFile(L"qa_data/jpg/starfish20.jpg");
    // Assume success, but your code should check for success..

    // Create JSON containing the binary data in base64 format.
    CkJsonObjectW json1;
    json1.UpdateBd(L"starfish",L"base64",bd);

    const wchar_t *jsonStr = json1.emit();
    wprintf(L"%s\n",jsonStr);

    // Here's the output:
    // {"starfish":"/9j/4AAQSkZJRgA ... cN2iuLFsCEbDGxQkI6RO/n//2Q=="}

    // Let's create a new JSON object, load it with the above JSON, and extract the JPG image..
    CkJsonObjectW json2;
    json2.Load(jsonStr);

    // Get the binary bytes.
    CkBinDataW bd2;
    json2.BytesOf(L"starfish",L"base64",bd2);

    // Save to a file.
    success = bd2.WriteFile(L"qa_output/starfish20.jpg");

    wprintf(L"Success.\n");
    }