(C) Pretty Print JSON (Formatter, Beautifier)

Demonstrates how to emit JSON in a pretty, human-readable format with indenting of nested arrays and objects.

Chilkat C/C++ Library Downloads
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#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkJsonObject json;
    const char *jsonStr;
    BOOL success;

    json = CkJsonObject_Create();

    jsonStr = "{\"name\": \"donut\",\"image\":{\"fname\": \"donut.jpg\",\"w\": 200,\"h\": 200},\"thumbnail\":{\"fname\": \"donutThumb.jpg\",\"w\": 32,\"h\": 32}}";

    success = CkJsonObject_Load(json,jsonStr);
    if (success != TRUE) {
        printf("%s\n",CkJsonObject_lastErrorText(json));
        CkJsonObject_Dispose(json);
        return;
    }

    // To pretty-print, set the EmitCompact property equal to FALSE
    CkJsonObject_putEmitCompact(json,FALSE);

    // If bare-LF line endings are desired, turn off EmitCrLf
    // Otherwise CRLF line endings are emitted.
    CkJsonObject_putEmitCrLf(json,FALSE);

    // Emit the formatted JSON:
    printf("%s\n",CkJsonObject_emit(json));


    CkJsonObject_Dispose(json);

    }