src_corelib_tools_qcommandlineparser_main.cpp

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// Copyright (C) 2016 David Faure <faure@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
#include <QCommandLineParser>
 
//! [0]
int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);
    QCoreApplication::setApplicationName("my-copy-program");
    QCoreApplication::setApplicationVersion("1.0");
 
    QCommandLineParser parser;
    parser.setApplicationDescription("Test helper");
    parser.addHelpOption();
    parser.addVersionOption();
    parser.addPositionalArgument("source", QCoreApplication::translate("main", "Source file to copy."));
    parser.addPositionalArgument("destination", QCoreApplication::translate("main", "Destination directory."));
 
    // A boolean option with a single name (-p)
    QCommandLineOption showProgressOption("p", QCoreApplication::translate("main", "Show progress during copy"));
    parser.addOption(showProgressOption);
 
    // A boolean option with multiple names (-f, --force)
    QCommandLineOption forceOption(QStringList() << "f" << "force",
            QCoreApplication::translate("main", "Overwrite existing files."));
    parser.addOption(forceOption);
 
    // An option with a value
    QCommandLineOption targetDirectoryOption(QStringList() << "t" << "target-directory",
            QCoreApplication::translate("main", "Copy all source files into <directory>."),
            QCoreApplication::translate("main", "directory"));
    parser.addOption(targetDirectoryOption);
 
    // Process the actual command line arguments given by the user
    parser.process(app);
 
    const QStringList args = parser.positionalArguments();
    // source is args.at(0), destination is args.at(1)
 
    bool showProgress = parser.isSet(showProgressOption);
    bool force = parser.isSet(forceOption);
    QString targetDir = parser.value(targetDirectoryOption);
    // ...
}
//! [0]
 
void f(QCommandLineParser parser)
{
    //! [cxx11]
        parser.addOptions({
            // A boolean option with a single name (-p)
            {"p",
                QCoreApplication::translate("main", "Show progress during copy")},
            // A boolean option with multiple names (-f, --force)
            {{"f", "force"},
                QCoreApplication::translate("main", "Overwrite existing files.")},
            // An option with a value
            {{"t", "target-directory"},
                QCoreApplication::translate("main", "Copy all source files into <directory>."),
                QCoreApplication::translate("main", "directory")},
        });
    //! [cxx11]
}