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// Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Volker Krause <volker.krause@kdab.com>
// Copyright (C) 2016 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QCommandLineParser>
#include <QCoreApplication>
#include <QDir>
#include <QFile>
#include <QJsonDocument>
#include <QJsonObject>
#include <QLibrary>
#include <QPluginLoader>
#include <QStringList>
#include <iostream>
enum PrintOption {
PrintIID = 0x01,
PrintClassName = 0x02,
PrintQtInfo = 0x04,
PrintUserData = 0x08
};
Q_DECLARE_FLAGS(PrintOptions, PrintOption)
Q_DECLARE_OPERATORS_FOR_FLAGS(PrintOptions)
int main(int argc, char** argv)
{
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationName(QStringLiteral("qplugininfo"));
QCoreApplication::setApplicationVersion(QStringLiteral(QT_VERSION_STR));
QCommandLineParser parser;
parser.setApplicationDescription(QStringLiteral("Qt plugin meta-data dumper"));
QCommandLineOption jsonFormatOption(QStringList() << "f" << "json-format",
QStringLiteral("Print JSON data as: indented, compact"), QStringLiteral("format"));
QCommandLineOption fullJsonOption("full-json",
QStringLiteral("Print the plugin metadata in JSON format"));
QCommandLineOption printOption(QStringList() << "p" << QStringLiteral("print"),
QStringLiteral("Print detail (iid, classname, qtinfo, userdata)"), QStringLiteral("detail"));
jsonFormatOption.setDefaultValue(QStringLiteral("indented"));
printOption.setDefaultValues(QStringList() << QStringLiteral("iid") << QStringLiteral("qtinfo") << QStringLiteral("userdata"));
parser.addOption(fullJsonOption);
parser.addOption(jsonFormatOption);
parser.addOption(printOption);
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument(QStringLiteral("plugin"), QStringLiteral("Plug-in of which to read the meta data."), QStringLiteral("<plugin>"));
parser.process(app);
if (parser.positionalArguments().isEmpty())
parser.showHelp(1);
bool fullJson = parser.isSet(fullJsonOption);
QJsonDocument::JsonFormat jsonFormat = parser.value(jsonFormatOption) == "indented" ? QJsonDocument::Indented : QJsonDocument::Compact;
QStringList printOptionList = parser.values(printOption);
PrintOptions print;
if (printOptionList.contains("iid"))
print |= PrintIID;
if (printOptionList.contains("classname"))
print |= PrintClassName;
if (printOptionList.contains("qtinfo"))
print |= PrintQtInfo;
if (printOptionList.contains("userdata"))
print |= PrintUserData;
int retval = 0;
const QStringList positionalArguments = parser.positionalArguments();
for (const QString &plugin : positionalArguments) {
QByteArray pluginNativeName = QFile::encodeName(QDir::toNativeSeparators(plugin));
if (!QFile::exists(plugin)) {
std::cerr << "qtplugininfo: " << pluginNativeName.constData() << ": No such file or directory." << std::endl;
retval = 1;
continue;
}
if (!QLibrary::isLibrary(plugin)) {
std::cerr << "qtplugininfo: " << pluginNativeName.constData() << ": Not a plug-in." << std::endl;
retval = 1;
continue;
}
QPluginLoader loader(plugin);
QJsonObject metaData = loader.metaData();
if (metaData.isEmpty()) {
std::cerr << "qtplugininfo: " << pluginNativeName.constData() << ": No plug-in meta-data found: "
<< qPrintable(loader.errorString()) << std::endl;
retval = 1;
continue;
}
QString iid = metaData.value("IID").toString();
QString className = metaData.value("className").toString();
QJsonValue debug = metaData.value("debug");
int version = metaData.value("version").toInt();
QJsonValue userData = metaData.value("MetaData");
if ((version >> 16) != (QT_VERSION >> 16)) {
std::cerr << "qtplugininfo: " << pluginNativeName.constData()
<< ": Qt version mismatch - got major version " << (version >> 16)
<< ", expected " << (QT_VERSION >> 16) << std::endl;
retval = 1;
continue;
}
if (iid.isEmpty() || className.isEmpty() || debug.isNull()) {
std::cerr << "qtplugininfo: " << pluginNativeName.constData() << ": invalid metadata, missing required fields:";
if (iid.isEmpty())
std::cerr << " iid";
if (className.isEmpty())
std::cerr << " className";
if (debug.isNull())
std::cerr << " debug";
std::cerr << std::endl;
retval = 1;
continue;
}
if (parser.positionalArguments().size() != 1)
std::cout << pluginNativeName.constData() << ": ";
if (fullJson) {
std::cout << QJsonDocument(metaData).toJson(jsonFormat).constData();
if (jsonFormat == QJsonDocument::Compact)
std::cout << std::endl;
} else {
if (print & PrintIID)
std::cout << "IID \"" << qPrintable(iid) << "\" ";
if (print & PrintClassName)
std::cout << "class " << qPrintable(className) << ' ';
if (print & PrintQtInfo)
std::cout << "Qt " << (version >> 16) << '.' << ((version >> 8) & 0xFF) << '.' << (version & 0xFF)
<< (debug.toBool() ? " (debug)" : " (release)");
std::cout << std::endl;
if (print & PrintUserData) {
if (userData.isObject())
std::cout << "User Data: " << QJsonDocument(userData.toObject()).toJson().constData();
else if (!userData.isNull()) {
std::cerr << "qtplugininfo: " << pluginNativeName.constData() << ": invalid metadata, user data is not a JSON object" << std::endl;
retval = 1;
}
}
}
}
return retval;
}
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