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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <qfile.h>
#include <qjsonarray.h>
#include <qjsondocument.h>
#include <qjsonobject.h>
#include <qhashfunctions.h>
#include <qstringlist.h>
#include <cstdlib>
static bool readFromDevice(QIODevice *device, QJsonArray *allMetaObjects)
{
const QByteArray contents = device->readAll();
if (contents.isEmpty())
return true;
QJsonParseError error {};
QJsonDocument metaObjects = QJsonDocument::fromJson(contents, &error);
if (error.error != QJsonParseError::NoError) {
fprintf(stderr, "%s at %d\n", error.errorString().toUtf8().constData(), error.offset);
return false;
}
allMetaObjects->append(metaObjects.object());
return true;
}
int collectJson(const QStringList &jsonFiles, const QString &outputFile, bool skipStdIn)
{
QHashSeed::setDeterministicGlobalSeed();
QFile output;
if (outputFile.isEmpty()) {
if (!output.open(stdout, QIODevice::WriteOnly)) {
fprintf(stderr, "Error opening stdout for writing\n");
return EXIT_FAILURE;
}
} else {
output.setFileName(outputFile);
if (!output.open(QIODevice::WriteOnly)) {
fprintf(stderr, "Error opening %s for writing\n", qPrintable(outputFile));
return EXIT_FAILURE;
}
}
QJsonArray allMetaObjects;
if (jsonFiles.isEmpty() && !skipStdIn) {
QFile f;
if (!f.open(stdin, QIODevice::ReadOnly)) {
fprintf(stderr, "Error opening stdin for reading\n");
return EXIT_FAILURE;
}
if (!readFromDevice(&f, &allMetaObjects)) {
fprintf(stderr, "Error parsing data from stdin\n");
return EXIT_FAILURE;
}
}
QStringList jsonFilesSorted = jsonFiles;
jsonFilesSorted.sort();
for (const QString &jsonFile : qAsConst(jsonFilesSorted)) {
QFile f(jsonFile);
if (!f.open(QIODevice::ReadOnly)) {
fprintf(stderr, "Error opening %s for reading\n", qPrintable(jsonFile));
return EXIT_FAILURE;
}
if (!readFromDevice(&f, &allMetaObjects)) {
fprintf(stderr, "Error parsing %s\n", qPrintable(jsonFile));
return EXIT_FAILURE;
}
}
QJsonDocument doc(allMetaObjects);
output.write(doc.toJson());
return EXIT_SUCCESS;
}
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