diff options
Diffstat (limited to 'src/tools/moc/collectjson.cpp')
-rw-r--r-- | src/tools/moc/collectjson.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/tools/moc/collectjson.cpp b/src/tools/moc/collectjson.cpp new file mode 100644 index 0000000000..4029bca5e9 --- /dev/null +++ b/src/tools/moc/collectjson.cpp @@ -0,0 +1,103 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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) +{ + qSetGlobalQHashSeed(0); + + 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()) { + 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; + } + } + + for (const QString &jsonFile: jsonFiles) { + 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; +} |