qt-everywhere-src-5.15.1/qtlottie/tests/manual/featcheck/main.cpp

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** This file is part of the lottie-qt module of the Qt Toolkit.
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#include <QCoreApplication>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>

#include "private/bmbase_p.h"
#include "private/bmlayer_p.h"

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    if (argc < 2) {
        printf("Filename missing\n");
        return -1;
    }

    QFile sourceFile(argv[1]);

    if (!sourceFile.open(QIODevice::ReadOnly)) {
        fprintf(stderr, "Cannot open file\n");
        return -1;
    }

    QByteArray json = sourceFile.readAll();

    QJsonDocument doc = QJsonDocument::fromJson(json);
    QJsonObject rootObj = doc.object();

    if (rootObj.empty()) {
        fprintf(stderr, "Json document not found\n");
        return -1;
    }

    if (rootObj.value(QLatin1String("assets")).toArray().count())
        qWarning() << "assets not supported";

    if (rootObj.value(QLatin1String("chars")).toArray().count())
        qWarning() << "chars not supported";

    if (rootObj.value(QLatin1String("markers")).toArray().count())
        qWarning() << "markers not supported";

    QJsonArray jsonLayers = rootObj.value(QLatin1String("layers")).toArray();
    QJsonArray::const_iterator jsonLayerIt = jsonLayers.constBegin();
    while (jsonLayerIt != jsonLayers.constEnd()) {
        QJsonObject jsonLayer = (*jsonLayerIt).toObject();
        BMLayer *layer = BMLayer::construct(jsonLayer);
        if (layer)
            delete layer;
        jsonLayerIt++;
    }
}