360 lines
14 KiB
C++
360 lines
14 KiB
C++
// Copyright (C) 2016 Sune Vuorela <sune@kde.org>
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QCoreApplication>
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#include <QCommandLineParser>
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#include <QStandardPaths>
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#include <QHash>
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#include <QLibraryInfo>
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#include <algorithm>
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#include <stdio.h>
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#if QT_CONFIG(settings)
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# include <private/qlibraryinfo_p.h>
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# include <qmakelibraryinfo.h>
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# include <propertyprinter.h>
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# include <property.h>
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#endif
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QT_USE_NAMESPACE
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/**
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* Prints the string on stdout and appends a newline
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* \param string printable string
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*/
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static void message(const QString &string)
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{
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fprintf(stdout, "%s\n", qPrintable(string));
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}
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/**
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* Writes error message and exits 1
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* \param message to write
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*/
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Q_NORETURN static void error(const QString &message)
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{
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fprintf(stderr, "%s\n", qPrintable(message));
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::exit(EXIT_FAILURE);
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}
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class StringEnum {
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public:
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const char *stringvalue;
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QStandardPaths::StandardLocation enumvalue;
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bool hasappname;
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/**
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* Replace application name by generic name if requested
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*/
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QString mapName(const QString &s) const
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{
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return hasappname ? QString(s).replace("qtpaths", "<APPNAME>") : s;
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}
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};
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static const StringEnum lookupTableData[] = {
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{ "AppConfigLocation", QStandardPaths::AppConfigLocation, true },
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{ "AppDataLocation", QStandardPaths::AppDataLocation, true },
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{ "AppLocalDataLocation", QStandardPaths::AppLocalDataLocation, true },
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{ "ApplicationsLocation", QStandardPaths::ApplicationsLocation, false },
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{ "CacheLocation", QStandardPaths::CacheLocation, true },
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{ "ConfigLocation", QStandardPaths::ConfigLocation, false },
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#if QT_VERSION < QT_VERSION_CHECK(6,0,0)
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{ "DataLocation", QStandardPaths::DataLocation, true },
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#endif
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{ "DesktopLocation", QStandardPaths::DesktopLocation, false },
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{ "DocumentsLocation", QStandardPaths::DocumentsLocation, false },
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{ "DownloadLocation", QStandardPaths::DownloadLocation, false },
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{ "FontsLocation", QStandardPaths::FontsLocation, false },
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{ "GenericCacheLocation", QStandardPaths::GenericCacheLocation, false },
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{ "GenericConfigLocation", QStandardPaths::GenericConfigLocation, false },
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{ "GenericDataLocation", QStandardPaths::GenericDataLocation, false },
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{ "GenericStateLocation", QStandardPaths::GenericStateLocation, false },
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{ "HomeLocation", QStandardPaths::HomeLocation, false },
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{ "MoviesLocation", QStandardPaths::MoviesLocation, false },
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{ "MusicLocation", QStandardPaths::MusicLocation, false },
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{ "PicturesLocation", QStandardPaths::PicturesLocation, false },
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{ "PublicShareLocation", QStandardPaths::PublicShareLocation, false },
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{ "RuntimeLocation", QStandardPaths::RuntimeLocation, false },
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{ "StateLocation", QStandardPaths::StateLocation, true },
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{ "TemplatesLocation", QStandardPaths::TemplatesLocation, false },
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{ "TempLocation", QStandardPaths::TempLocation, false }
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};
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/**
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* \return available types as a QStringList.
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*/
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static QStringList types()
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{
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QStringList typelist;
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for (const StringEnum &se : lookupTableData)
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typelist << QString::fromLatin1(se.stringvalue);
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std::sort(typelist.begin(), typelist.end());
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return typelist;
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}
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/**
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* Tries to parse the location string into a reference to a StringEnum entry or alternatively
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* calls \ref error with a error message
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*/
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static const StringEnum &parseLocationOrError(const QString &locationString)
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{
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for (const StringEnum &se : lookupTableData)
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if (locationString == QLatin1StringView(se.stringvalue))
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return se;
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QString message = QStringLiteral("Unknown location: %1");
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error(message.arg(locationString));
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}
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/**
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* searches for exactly one remaining argument and returns it.
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* If not found, \ref error is called with a error message.
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* \param parser to ask for remaining arguments
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* \return one extra argument
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*/
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static QString searchStringOrError(QCommandLineParser *parser)
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{
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int positionalArgumentCount = parser->positionalArguments().size();
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if (positionalArgumentCount != 1)
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error(QStringLiteral("Exactly one argument needed as searchitem"));
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return parser->positionalArguments().constFirst();
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}
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int main(int argc, char **argv)
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{
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QString qtconfManualPath;
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QCoreApplication app(argc, argv);
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app.setApplicationVersion(QTPATHS_VERSION_STR);
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#ifdef Q_OS_WIN
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const QLatin1Char pathsep(';');
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#else
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const QLatin1Char pathsep(':');
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#endif
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QCommandLineParser parser;
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parser.setApplicationDescription(QStringLiteral("Command line client to QStandardPaths and QLibraryInfo"));
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parser.addPositionalArgument(QStringLiteral("[name]"), QStringLiteral("Name of file or directory"));
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parser.addPositionalArgument(QStringLiteral("[properties]"), QStringLiteral("List of the Qt properties to query by the --qt-query argument."));
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parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);
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parser.addHelpOption();
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parser.addVersionOption();
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//setting up options
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QCommandLineOption types(QStringLiteral("types"), QStringLiteral("Available location types."));
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parser.addOption(types);
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QCommandLineOption paths(QStringLiteral("paths"), QStringLiteral("Find paths for <type>."), QStringLiteral("type"));
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parser.addOption(paths);
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QCommandLineOption writablePath(QStringLiteral("writable-path"),
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QStringLiteral("Find writable path for <type>."), QStringLiteral("type"));
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parser.addOption(writablePath);
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QCommandLineOption locateDir(QStringList() << QStringLiteral("locate-dir") << QStringLiteral("locate-directory"),
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QStringLiteral("Locate directory [name] in <type>."), QStringLiteral("type"));
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parser.addOption(locateDir);
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QCommandLineOption locateDirs(QStringList() << QStringLiteral("locate-dirs") << QStringLiteral("locate-directories"),
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QStringLiteral("Locate directories [name] in all paths for <type>."), QStringLiteral("type"));
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parser.addOption(locateDirs);
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QCommandLineOption locateFile(QStringLiteral("locate-file"),
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QStringLiteral("Locate file [name] for <type>."), QStringLiteral("type"));
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parser.addOption(locateFile);
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QCommandLineOption locateFiles(QStringLiteral("locate-files"),
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QStringLiteral("Locate files [name] in all paths for <type>."), QStringLiteral("type"));
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parser.addOption(locateFiles);
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QCommandLineOption findExe(QStringList() << QStringLiteral("find-exe") << QStringLiteral("find-executable"),
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QStringLiteral("Find executable with [name]."));
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parser.addOption(findExe);
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QCommandLineOption display(QStringList() << QStringLiteral("display"),
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QStringLiteral("Prints user readable name for <type>."), QStringLiteral("type"));
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parser.addOption(display);
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QCommandLineOption testmode(QStringList() << QStringLiteral("testmode") << QStringLiteral("test-mode"),
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QStringLiteral("Use paths specific for unit testing."));
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parser.addOption(testmode);
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QCommandLineOption qtversion(QStringLiteral("qt-version"), QStringLiteral("Qt version."));
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qtversion.setFlags(QCommandLineOption::HiddenFromHelp);
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parser.addOption(qtversion);
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QCommandLineOption installprefix(QStringLiteral("install-prefix"), QStringLiteral("Installation prefix for Qt."));
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installprefix.setFlags(QCommandLineOption::HiddenFromHelp);
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parser.addOption(installprefix);
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QCommandLineOption bindir(QStringList() << QStringLiteral("binaries-dir") << QStringLiteral("binaries-directory"),
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QStringLiteral("Location of Qt executables."));
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bindir.setFlags(QCommandLineOption::HiddenFromHelp);
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parser.addOption(bindir);
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QCommandLineOption plugindir(QStringList() << QStringLiteral("plugin-dir") << QStringLiteral("plugin-directory"),
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QStringLiteral("Location of Qt plugins."));
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plugindir.setFlags(QCommandLineOption::HiddenFromHelp);
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parser.addOption(plugindir);
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QCommandLineOption query(
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QStringList() << QStringLiteral("qt-query") << QStringLiteral("query"),
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QStringLiteral("List of Qt properties. Can be used standalone or with the "
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"--query-format and --qtconf options."));
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parser.addOption(query);
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QCommandLineOption queryformat(QStringLiteral("query-format"),
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QStringLiteral("Output format for --qt-query.\nSupported formats: qmake (default), json"),
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QStringLiteral("format"));
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queryformat.setDefaultValue("qmake");
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parser.addOption(queryformat);
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QCommandLineOption qtconf(QStringLiteral("qtconf"),
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QStringLiteral("Path to qt.conf file that will be used to override the queried Qt properties."),
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QStringLiteral("path"));
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parser.addOption(qtconf);
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parser.process(app);
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QStandardPaths::setTestModeEnabled(parser.isSet(testmode));
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#if QT_CONFIG(settings)
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if (parser.isSet(qtconf)) {
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qtconfManualPath = parser.value(qtconf);
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QLibraryInfoPrivate::setQtconfManualPath(&qtconfManualPath);
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}
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#endif
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QStringList results;
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if (parser.isSet(qtversion)) {
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QString qtversionstring = QString::fromLatin1(QT_VERSION_STR);
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results << qtversionstring;
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}
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if (parser.isSet(installprefix)) {
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QString path = QLibraryInfo::path(QLibraryInfo::PrefixPath);
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results << path;
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}
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if (parser.isSet(bindir)) {
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QString path = QLibraryInfo::path(QLibraryInfo::BinariesPath);
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results << path;
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}
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if (parser.isSet(plugindir)) {
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QString path = QLibraryInfo::path(QLibraryInfo::PluginsPath);
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results << path;
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}
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if (parser.isSet(types)) {
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QStringList typesList = ::types();
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results << typesList.join('\n');
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}
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QT_WARNING_PUSH
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#if defined(Q_CC_GNU_ONLY) && Q_CC_GNU >= 1300 && Q_CC_GNU < 1400
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QT_WARNING_DISABLE_GCC("-Wdangling-reference")
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#endif
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if (parser.isSet(display)) {
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const StringEnum &location = parseLocationOrError(parser.value(display));
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QString text = QStandardPaths::displayName(location.enumvalue);
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results << location.mapName(text);
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}
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if (parser.isSet(paths)) {
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const StringEnum &location = parseLocationOrError(parser.value(paths));
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QStringList paths = QStandardPaths::standardLocations(location.enumvalue);
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results << location.mapName(paths.join(pathsep));
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}
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if (parser.isSet(writablePath)) {
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const StringEnum &location = parseLocationOrError(parser.value(writablePath));
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QString path = QStandardPaths::writableLocation(location.enumvalue);
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results << location.mapName(path);
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}
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if (parser.isSet(findExe)) {
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QString searchitem = searchStringOrError(&parser);
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QString path = QStandardPaths::findExecutable(searchitem);
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results << path;
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}
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if (parser.isSet(locateDir)) {
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const StringEnum &location = parseLocationOrError(parser.value(locateDir));
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QString searchitem = searchStringOrError(&parser);
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QString path = QStandardPaths::locate(location.enumvalue, searchitem, QStandardPaths::LocateDirectory);
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results << location.mapName(path);
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}
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if (parser.isSet(locateFile)) {
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const StringEnum &location = parseLocationOrError(parser.value(locateFile));
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QString searchitem = searchStringOrError(&parser);
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QString path = QStandardPaths::locate(location.enumvalue, searchitem, QStandardPaths::LocateFile);
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results << location.mapName(path);
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}
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if (parser.isSet(locateDirs)) {
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const StringEnum &location = parseLocationOrError(parser.value(locateDirs));
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QString searchitem = searchStringOrError(&parser);
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QStringList paths = QStandardPaths::locateAll(location.enumvalue, searchitem, QStandardPaths::LocateDirectory);
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results << location.mapName(paths.join(pathsep));
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}
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if (parser.isSet(locateFiles)) {
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const StringEnum &location = parseLocationOrError(parser.value(locateFiles));
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QString searchitem = searchStringOrError(&parser);
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QStringList paths = QStandardPaths::locateAll(location.enumvalue, searchitem, QStandardPaths::LocateFile);
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results << location.mapName(paths.join(pathsep));
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}
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QT_WARNING_POP
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#if !QT_CONFIG(settings)
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if (parser.isSet(query) || parser.isSet(qtconf) || parser.isSet(queryformat)) {
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error(QStringLiteral("--qt-query, --qtconf and --query-format options are not supported. The 'settings' feature is missing."));
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}
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#else
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if (parser.isSet(query)) {
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if (!results.isEmpty()) {
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QString errorMessage = QStringLiteral("Several options given, only one is supported at a time.");
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error(errorMessage);
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}
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PropertyPrinter printer;
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if (parser.isSet(queryformat)) {
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QString formatValue = parser.value(queryformat);
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if (formatValue == "json") {
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printer = jsonPropertyPrinter;
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} else if (formatValue != "qmake") {
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QString errorMessage = QStringLiteral("Invalid output format %1. Supported formats: qmake, json").arg(formatValue);
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error(errorMessage);
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}
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}
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QStringList optionProperties = parser.positionalArguments();
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QMakeProperty prop;
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if (printer) {
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return prop.queryProperty(optionProperties, printer);
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}
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return prop.queryProperty(optionProperties);
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} else if (parser.isSet(queryformat)) {
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error(QStringLiteral("--query-format is set, but --qt-query is not requested."));
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}
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#endif
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if (results.isEmpty()) {
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parser.showHelp();
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} else if (results.size() == 1) {
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const QString &item = results.constFirst();
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message(item);
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if (item.isEmpty())
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return EXIT_FAILURE;
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} else {
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QString errorMessage = QStringLiteral("Several options given, only one is supported at a time.");
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error(errorMessage);
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}
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return EXIT_SUCCESS;
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}
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