/*

* Cppcheck - A tool for static C/C++ code analysis

* Copyright (C) 2007-2026 Cppcheck team.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

*/

#include "cppcheck.h"

#include "common.h"

#include "mainwindow.h"

#include "erroritem.h" // IWYU pragma: keep

#include "translationhandler.h"

#ifdef _WIN32

#include "aboutdialog.h"

#include <QMessageBox>

#else

#include <iostream>

#endif

#include <algorithm>

#include <string>

#include <QApplication>

#include <QCoreApplication>

#include <QIcon>

#include <QSettings>

#include <QString>

#include <QStringList>

#include <QVariant>

static void ShowUsage();

static void ShowVersion();

static bool CheckArgs(const QStringList &args);

int main(int argc, char *argv[])

{

QApplication app(argc, argv);

QCoreApplication::setOrganizationName("Cppcheck");

QCoreApplication::setApplicationName("Cppcheck-GUI");

auto* settings = new QSettings("Cppcheck", "Cppcheck-GUI", &app);

// Set data dir..

const QStringList args = QApplication::arguments();

auto it = std::find_if(args.cbegin(), args.cend(), [](const QString& arg) {

return arg.startsWith("--data-dir=");

});

if (it != args.end()) {

settings->setValue("DATADIR", it->mid(11));

return 0;

}

auto* th = new TranslationHandler(&app);

th->setLanguage(settings->value(SETTINGS_LANGUAGE, th->suggestLanguage()).toString());

if (!CheckArgs(QApplication::arguments()))

return 0;

QApplication::setWindowIcon(QIcon(":cppcheck-gui.png"));

// Register this metatype that is used to transfer error info

qRegisterMetaType<ErrorItem>("ErrorItem");

MainWindow window(th, settings);

window.show();

return QApplication::exec();

}

// Check only arguments needing action before GUI is shown.

// Rest of the arguments are handled in MainWindow::HandleCLIParams()

static bool CheckArgs(const QStringList &args)

{

if (args.contains("-h") || args.contains("--help")) {

ShowUsage();

return false;

}

if (args.contains("-v") || args.contains("--version")) {

ShowVersion();

return false;

}

return true;

}

static void ShowUsage()

{

QString helpMessage = MainWindow::tr(

"Cppcheck GUI.\n\n"

"Syntax:\n"

" cppcheck-gui [OPTIONS] [files or paths]\n\n"

"Options:\n"

" -h, --help Print this help\n"

" -p <file> Open given project file and start checking it\n"

" -l <file> Open given results xml file\n"

" -d <directory> Specify the directory that was checked to generate the results xml specified with -l\n"

" -v, --version Show program version\n"

" --data-dir=<directory> This option is for installation scripts so they can configure the directory where\n"

" datafiles are located (translations, cfg). The GUI is not started when this option\n"

" is used.");

#if defined(_WIN32)

QMessageBox msgBox(QMessageBox::Information,

MainWindow::tr("Cppcheck GUI - Command line parameters"),

helpMessage,

QMessageBox::Ok

);

(void)msgBox.exec();

#else

std::cout << helpMessage.toStdString() << std::endl;

#endif

}

static void ShowVersion()

{

// TODO: should only *not* show a dialog when we are on a command-line

#if defined(_WIN32)

AboutDialog *dlg = new AboutDialog(CppCheck::version(), CppCheck::extraVersion(), 0);

dlg->exec();

delete dlg;

#else

std::string versionMessage("Cppcheck ");

versionMessage += CppCheck::version();

const char * extraVersion = CppCheck::extraVersion();

if (*extraVersion != 0)

versionMessage += std::string(" (") + extraVersion + ")";

std::cout << versionMessage << std::endl;

#endif

}