/***************************************************************************
- * Copyright (C) 2005-2015 by the Quassel Project *
+ * Copyright (C) 2005-2018 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#include "quassel.h"
+#include <algorithm>
#include <iostream>
-#include <signal.h>
-#if !defined Q_OS_WIN && !defined Q_OS_MAC
-# include <sys/types.h>
-# include <sys/time.h>
-# include <sys/resource.h>
-#endif
#include <QCoreApplication>
#include <QDateTime>
+#include <QDir>
#include <QFileInfo>
#include <QHostAddress>
#include <QLibraryInfo>
+#include <QMetaEnum>
#include <QSettings>
#include <QTranslator>
#include <QUuid>
#include "bufferinfo.h"
#include "identity.h"
#include "logger.h"
+#include "logmessage.h"
#include "message.h"
#include "network.h"
+#include "peer.h"
#include "protocol.h"
#include "syncableobject.h"
#include "types.h"
-#include "../../version.h"
+#ifndef Q_OS_WIN
+# include "posixsignalwatcher.h"
+#else
+# include "windowssignalwatcher.h"
+#endif
-Quassel::BuildInfo Quassel::_buildInfo;
-AbstractCliParser *Quassel::_cliParser = 0;
-Quassel::RunMode Quassel::_runMode;
-QString Quassel::_configDirPath;
-QString Quassel::_translationDirPath;
-QStringList Quassel::_dataDirPaths;
-bool Quassel::_initialized = false;
-bool Quassel::DEBUG = false;
-QString Quassel::_coreDumpFileName;
-Quassel *Quassel::_instance = 0;
-bool Quassel::_handleCrashes = true;
-Quassel::LogLevel Quassel::_logLevel = InfoLevel;
-QFile *Quassel::_logFile = 0;
-bool Quassel::_logToSyslog = false;
+#include "../../version.h"
Quassel::Quassel()
+ : Singleton<Quassel>{this}
+ , _logger{new Logger{this}}
{
- Q_ASSERT(!_instance);
- _instance = this;
-
- // We catch SIGTERM and SIGINT (caused by Ctrl+C) to graceful shutdown Quassel.
- signal(SIGTERM, handleSignal);
- signal(SIGINT, handleSignal);
-}
-
-
-Quassel::~Quassel()
-{
- if (logFile()) {
- logFile()->close();
- logFile()->deleteLater();
- }
- delete _cliParser;
}
bool Quassel::init()
{
- if (_initialized)
+ if (instance()->_initialized)
return true; // allow multiple invocations because of MonolithicApplication
- if (_handleCrashes) {
- // we have crashhandler for win32 and unix (based on execinfo).
-#if defined(Q_OS_WIN) || defined(HAVE_EXECINFO)
-# ifndef Q_OS_WIN
- // we only handle crashes ourselves if coredumps are disabled
- struct rlimit *limit = (rlimit *)malloc(sizeof(struct rlimit));
- int rc = getrlimit(RLIMIT_CORE, limit);
-
- if (rc == -1 || !((long)limit->rlim_cur > 0 || limit->rlim_cur == RLIM_INFINITY)) {
-# endif /* Q_OS_WIN */
- signal(SIGABRT, handleSignal);
- signal(SIGSEGV, handleSignal);
-# ifndef Q_OS_WIN
- signal(SIGBUS, handleSignal);
- }
- free(limit);
-# endif /* Q_OS_WIN */
-#endif /* Q_OS_WIN || HAVE_EXECINFO */
- }
-
- _initialized = true;
qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
- setupEnvironment();
- registerMetaTypes();
+ instance()->setupSignalHandling();
+ instance()->setupEnvironment();
+ instance()->registerMetaTypes();
- Network::setDefaultCodecForServer("ISO-8859-1");
+ instance()->_initialized = true;
+
+ Network::setDefaultCodecForServer("UTF-8");
Network::setDefaultCodecForEncoding("UTF-8");
Network::setDefaultCodecForDecoding("ISO-8859-15");
if (isOptionSet("help")) {
- cliParser()->usage();
+ instance()->_cliParser->usage();
return false;
}
return false;
}
- DEBUG = isOptionSet("debug");
+ // Don't keep a debug log on the core
+ return instance()->logger()->setup(runMode() != RunMode::CoreOnly);
+}
- // set up logging
- if (Quassel::runMode() != Quassel::ClientOnly) {
- if (isOptionSet("loglevel")) {
- QString level = optionValue("loglevel");
- if (level == "Debug") _logLevel = DebugLevel;
- else if (level == "Info") _logLevel = InfoLevel;
- else if (level == "Warning") _logLevel = WarningLevel;
- else if (level == "Error") _logLevel = ErrorLevel;
- }
+Logger *Quassel::logger() const
+{
+ return _logger;
+}
+
- QString logfilename = optionValue("logfile");
- if (!logfilename.isEmpty()) {
- _logFile = new QFile(logfilename);
- if (!_logFile->open(QIODevice::Append | QIODevice::Text)) {
- qWarning() << "Could not open log file" << logfilename << ":" << _logFile->errorString();
- _logFile->deleteLater();
- _logFile = 0;
+void Quassel::registerQuitHandler(QuitHandler handler)
+{
+ instance()->_quitHandlers.emplace_back(std::move(handler));
+}
+
+void Quassel::quit()
+{
+ // Protect against multiple invocations (e.g. triggered by MainWin::closeEvent())
+ if (!_quitting) {
+ _quitting = true;
+ quInfo() << "Quitting...";
+ if (_quitHandlers.empty()) {
+ QCoreApplication::quit();
+ }
+ else {
+ // Note: We expect one of the registered handlers to call QCoreApplication::quit()
+ for (auto &&handler : _quitHandlers) {
+ handler();
}
}
-#ifdef HAVE_SYSLOG
- _logToSyslog = isOptionSet("syslog");
-#endif
}
+}
- return true;
+
+void Quassel::registerReloadHandler(ReloadHandler handler)
+{
+ instance()->_reloadHandlers.emplace_back(std::move(handler));
}
-void Quassel::quit()
+bool Quassel::reloadConfig()
{
- QCoreApplication::quit();
+ bool result{true};
+ for (auto &&handler : _reloadHandlers) {
+ result = result && handler();
+ }
+ return result;
}
qRegisterMetaType<MsgId>("MsgId");
qRegisterMetaType<QHostAddress>("QHostAddress");
+ qRegisterMetaTypeStreamOperators<QHostAddress>("QHostAddress");
qRegisterMetaType<QUuid>("QUuid");
+ qRegisterMetaTypeStreamOperators<QUuid>("QUuid");
qRegisterMetaTypeStreamOperators<IdentityId>("IdentityId");
qRegisterMetaTypeStreamOperators<BufferId>("BufferId");
qRegisterMetaTypeStreamOperators<MsgId>("MsgId");
qRegisterMetaType<Protocol::SessionState>("Protocol::SessionState");
+ qRegisterMetaType<PeerPtr>("PeerPtr");
+ qRegisterMetaTypeStreamOperators<PeerPtr>("PeerPtr");
// Versions of Qt prior to 4.7 didn't define QVariant as a meta type
if (!QMetaType::type("QVariant")) {
void Quassel::setupBuildInfo()
{
- _buildInfo.applicationName = "quassel";
- _buildInfo.coreApplicationName = "quasselcore";
- _buildInfo.clientApplicationName = "quasselclient";
- _buildInfo.organizationName = "Quassel Project";
- _buildInfo.organizationDomain = "quassel-irc.org";
-
- _buildInfo.protocolVersion = 10; // FIXME: deprecated, will be removed
+ BuildInfo buildInfo;
+ buildInfo.applicationName = "quassel";
+ buildInfo.coreApplicationName = "quasselcore";
+ buildInfo.clientApplicationName = "quasselclient";
+ buildInfo.organizationName = "Quassel Project";
+ buildInfo.organizationDomain = "quassel-irc.org";
- _buildInfo.baseVersion = QUASSEL_VERSION_STRING;
- _buildInfo.generatedVersion = GIT_DESCRIBE;
+ buildInfo.protocolVersion = 10; // FIXME: deprecated, will be removed
- // This will be imprecise for incremental builds not touching this file, but we really don't want to always recompile
- _buildInfo.buildDate = QString("%1 %2").arg(__DATE__, __TIME__);
+ buildInfo.baseVersion = QUASSEL_VERSION_STRING;
+ buildInfo.generatedVersion = GIT_DESCRIBE;
// Check if we got a commit hash
- if (!QString(GIT_HEAD).isEmpty())
- _buildInfo.commitHash = GIT_HEAD;
+ if (!QString(GIT_HEAD).isEmpty()) {
+ buildInfo.commitHash = GIT_HEAD;
+ // Set to Unix epoch, wrapped as a string for backwards-compatibility
+ buildInfo.commitDate = QString::number(GIT_COMMIT_DATE);
+ }
else if (!QString(DIST_HASH).contains("Format")) {
- _buildInfo.commitHash = DIST_HASH;
- _buildInfo.commitDate = QString(DIST_DATE).toUInt();
+ buildInfo.commitHash = DIST_HASH;
+ // Leave as Unix epoch if set as Unix epoch, but don't force this for
+ // backwards-compatibility with existing packaging/release tools that might set strings.
+ buildInfo.commitDate = QString(DIST_DATE);
}
// create a nice version string
- if (_buildInfo.generatedVersion.isEmpty()) {
- if (!_buildInfo.commitHash.isEmpty()) {
+ if (buildInfo.generatedVersion.isEmpty()) {
+ if (!buildInfo.commitHash.isEmpty()) {
// dist version
- _buildInfo.plainVersionString = QString("v%1 (dist-%2)")
- .arg(_buildInfo.baseVersion)
- .arg(_buildInfo.commitHash.left(7));
- _buildInfo.fancyVersionString = QString("v%1 (dist-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%3\">%2</a>)")
- .arg(_buildInfo.baseVersion)
- .arg(_buildInfo.commitHash.left(7))
- .arg(_buildInfo.commitHash);
+ buildInfo.plainVersionString = QString{"v%1 (dist-%2)"}
+ .arg(buildInfo.baseVersion)
+ .arg(buildInfo.commitHash.left(7));
+ buildInfo.fancyVersionString = QString{"v%1 (dist-<a href=\"https://github.com/quassel/quassel/commit/%3\">%2</a>)"}
+ .arg(buildInfo.baseVersion)
+ .arg(buildInfo.commitHash.left(7))
+ .arg(buildInfo.commitHash);
}
else {
// we only have a base version :(
- _buildInfo.plainVersionString = QString("v%1 (unknown revision)").arg(_buildInfo.baseVersion);
+ buildInfo.plainVersionString = QString{"v%1 (unknown revision)"}.arg(buildInfo.baseVersion);
}
}
else {
// analyze what we got from git-describe
- QRegExp rx("(.*)-(\\d+)-g([0-9a-f]+)(-dirty)?$");
- if (rx.exactMatch(_buildInfo.generatedVersion)) {
- QString distance = rx.cap(2) == "0" ? QString() : QString("%1+%2 ").arg(rx.cap(1), rx.cap(2));
- _buildInfo.plainVersionString = QString("v%1 (%2git-%3%4)")
- .arg(_buildInfo.baseVersion, distance, rx.cap(3), rx.cap(4));
- if (!_buildInfo.commitHash.isEmpty()) {
- _buildInfo.fancyVersionString = QString("v%1 (%2git-<a href=\"http://git.quassel-irc.org/?p=quassel.git;a=commit;h=%5\">%3</a>%4)")
- .arg(_buildInfo.baseVersion, distance, rx.cap(3), rx.cap(4), _buildInfo.commitHash);
+ static const QRegExp rx{"(.*)-(\\d+)-g([0-9a-f]+)(-dirty)?$"};
+ if (rx.exactMatch(buildInfo.generatedVersion)) {
+ QString distance = rx.cap(2) == "0" ? QString{} : QString{"%1+%2 "}.arg(rx.cap(1), rx.cap(2));
+ buildInfo.plainVersionString = QString{"v%1 (%2git-%3%4)"}.arg(buildInfo.baseVersion, distance, rx.cap(3), rx.cap(4));
+ if (!buildInfo.commitHash.isEmpty()) {
+ buildInfo.fancyVersionString = QString{"v%1 (%2git-<a href=\"https://github.com/quassel/quassel/commit/%5\">%3</a>%4)"}
+ .arg(buildInfo.baseVersion, distance, rx.cap(3), rx.cap(4), buildInfo.commitHash);
}
}
else {
- _buildInfo.plainVersionString = QString("v%1 (invalid revision)").arg(_buildInfo.baseVersion);
+ buildInfo.plainVersionString = QString{"v%1 (invalid revision)"}.arg(buildInfo.baseVersion);
}
}
- if (_buildInfo.fancyVersionString.isEmpty())
- _buildInfo.fancyVersionString = _buildInfo.plainVersionString;
+ if (buildInfo.fancyVersionString.isEmpty()) {
+ buildInfo.fancyVersionString = buildInfo.plainVersionString;
+ }
+
+ instance()->_buildInfo = std::move(buildInfo);
}
-//! Signal handler for graceful shutdown.
-void Quassel::handleSignal(int sig)
+const Quassel::BuildInfo &Quassel::buildInfo()
+{
+ return instance()->_buildInfo;
+}
+
+
+void Quassel::setupSignalHandling()
{
- switch (sig) {
- case SIGTERM:
- case SIGINT:
- qWarning("%s", qPrintable(QString("Caught signal %1 - exiting.").arg(sig)));
- if (_instance)
- _instance->quit();
- else
- QCoreApplication::quit();
- break;
- case SIGABRT:
- case SIGSEGV:
#ifndef Q_OS_WIN
- case SIGBUS:
+ _signalWatcher = new PosixSignalWatcher(this);
+#else
+ _signalWatcher = new WindowsSignalWatcher(this);
#endif
- logBacktrace(coreDumpFileName());
- exit(EXIT_FAILURE);
+ connect(_signalWatcher, SIGNAL(handleSignal(AbstractSignalWatcher::Action)), this, SLOT(handleSignal(AbstractSignalWatcher::Action)));
+}
+
+
+void Quassel::handleSignal(AbstractSignalWatcher::Action action)
+{
+ switch (action) {
+ case AbstractSignalWatcher::Action::Reload:
+ // Most applications use this as the 'configuration reload' command, e.g. nginx uses it for graceful reloading of processes.
+ if (!_reloadHandlers.empty()) {
+ quInfo() << "Reloading configuration";
+ if (reloadConfig()) {
+ quInfo() << "Successfully reloaded configuration";
+ }
+ }
break;
- default:
+ case AbstractSignalWatcher::Action::Terminate:
+ if (!_quitting) {
+ quit();
+ }
+ else {
+ quInfo() << "Already shutting down, ignoring signal";
+ }
break;
+ case AbstractSignalWatcher::Action::HandleCrash:
+ logBacktrace(instance()->coreDumpFileName());
+ exit(EXIT_FAILURE);
}
}
-void Quassel::logFatalMessage(const char *msg)
+Quassel::RunMode Quassel::runMode() {
+ return instance()->_runMode;
+}
+
+
+void Quassel::setRunMode(RunMode runMode)
{
-#ifdef Q_OS_MAC
- Q_UNUSED(msg)
-#else
- QFile dumpFile(coreDumpFileName());
- dumpFile.open(QIODevice::Append);
- QTextStream dumpStream(&dumpFile);
+ instance()->_runMode = runMode;
+}
- dumpStream << "Fatal: " << msg << '\n';
- dumpStream.flush();
- dumpFile.close();
-#endif
+
+void Quassel::setCliParser(std::shared_ptr<AbstractCliParser> parser)
+{
+ instance()->_cliParser = std::move(parser);
}
-Quassel::Features Quassel::features()
+QString Quassel::optionValue(const QString &key)
{
- Features feats = 0;
- for (int i = 1; i <= NumFeatures; i <<= 1)
- feats |= (Feature)i;
+ return instance()->_cliParser ? instance()->_cliParser->value(key) : QString{};
+}
+
- return feats;
+bool Quassel::isOptionSet(const QString &key)
+{
+ return instance()->_cliParser ? instance()->_cliParser->isSet(key) : false;
}
QString Quassel::configDirPath()
{
- if (!_configDirPath.isEmpty())
- return _configDirPath;
+ if (!instance()->_configDirPath.isEmpty())
+ return instance()->_configDirPath;
- if (Quassel::isOptionSet("datadir")) {
+ QString path;
+ if (isOptionSet("datadir")) {
qWarning() << "Obsolete option --datadir used!";
- _configDirPath = Quassel::optionValue("datadir");
+ path = Quassel::optionValue("datadir");
}
- else if (Quassel::isOptionSet("configdir")) {
- _configDirPath = Quassel::optionValue("configdir");
+ else if (isOptionSet("configdir")) {
+ path = Quassel::optionValue("configdir");
}
else {
#ifdef Q_OS_MAC
// On Mac, the path is always the same
- _configDirPath = QDir::homePath() + "/Library/Application Support/Quassel/";
+ path = QDir::homePath() + "/Library/Application Support/Quassel/";
#else
// We abuse QSettings to find us a sensible path on the other platforms
# ifdef Q_OS_WIN
# endif
QSettings s(format, QSettings::UserScope, QCoreApplication::organizationDomain(), buildInfo().applicationName);
QFileInfo fileInfo(s.fileName());
- _configDirPath = fileInfo.dir().absolutePath();
+ path = fileInfo.dir().absolutePath();
#endif /* Q_OS_MAC */
}
- if (!_configDirPath.endsWith(QDir::separator()) && !_configDirPath.endsWith('/'))
- _configDirPath += QDir::separator();
+ path = QFileInfo{path}.absoluteFilePath();
+
+ if (!path.endsWith(QDir::separator()) && !path.endsWith('/'))
+ path += QDir::separator();
- QDir qDir(_configDirPath);
- if (!qDir.exists(_configDirPath)) {
- if (!qDir.mkpath(_configDirPath)) {
+ QDir qDir{path};
+ if (!qDir.exists(path)) {
+ if (!qDir.mkpath(path)) {
qCritical() << "Unable to create Quassel config directory:" << qPrintable(qDir.absolutePath());
- return QString();
+ return {};
}
}
- return _configDirPath;
+ instance()->_configDirPath = path;
+ return path;
+}
+
+
+void Quassel::setDataDirPaths(const QStringList &paths) {
+ instance()->_dataDirPaths = paths;
}
QStringList Quassel::dataDirPaths()
{
- return _dataDirPaths;
+ return instance()->_dataDirPaths;
}
-QStringList Quassel::findDataDirPaths() const
+QStringList Quassel::findDataDirPaths()
{
- QStringList dataDirNames = QString(qgetenv("XDG_DATA_DIRS")).split(':', QString::SkipEmptyParts);
+ // TODO Qt5
+ // We don't use QStandardPaths for now, as we still need to provide fallbacks for Qt4 and
+ // want to stay consistent.
- if (!dataDirNames.isEmpty()) {
- for (int i = 0; i < dataDirNames.count(); i++)
- dataDirNames[i].append("/apps/quassel/");
- }
- else {
- // Provide a fallback
+ QStringList dataDirNames;
#ifdef Q_OS_WIN
- dataDirNames << qgetenv("APPDATA") + QCoreApplication::organizationDomain() + "/share/apps/quassel/"
- << qgetenv("APPDATA") + QCoreApplication::organizationDomain()
- << QCoreApplication::applicationDirPath();
- }
+ dataDirNames << qgetenv("APPDATA") + QCoreApplication::organizationDomain() + "/share/apps/quassel/"
+ << qgetenv("APPDATA") + QCoreApplication::organizationDomain()
+ << QCoreApplication::applicationDirPath();
#elif defined Q_OS_MAC
- dataDirNames << QDir::homePath() + "/Library/Application Support/Quassel/"
- << QCoreApplication::applicationDirPath();
- }
+ dataDirNames << QDir::homePath() + "/Library/Application Support/Quassel/"
+ << QCoreApplication::applicationDirPath();
#else
- dataDirNames.append("/usr/share/apps/quassel/");
- }
- // on UNIX, we always check our install prefix
- QString appDir = QCoreApplication::applicationDirPath();
- int binpos = appDir.lastIndexOf("/bin");
- if (binpos >= 0) {
- appDir.replace(binpos, 4, "/share");
- appDir.append("/apps/quassel/");
- if (!dataDirNames.contains(appDir))
- dataDirNames.append(appDir);
- }
+ // Linux et al
+
+ // XDG_DATA_HOME is the location for users to override system-installed files, usually in .local/share
+ // This should thus come first.
+ QString xdgDataHome = QFile::decodeName(qgetenv("XDG_DATA_HOME"));
+ if (xdgDataHome.isEmpty())
+ xdgDataHome = QDir::homePath() + QLatin1String("/.local/share");
+ dataDirNames << xdgDataHome;
+
+ // Now whatever is configured through XDG_DATA_DIRS
+ QString xdgDataDirs = QFile::decodeName(qgetenv("XDG_DATA_DIRS"));
+ if (xdgDataDirs.isEmpty())
+ dataDirNames << "/usr/local/share" << "/usr/share";
+ else
+ dataDirNames << xdgDataDirs.split(':', QString::SkipEmptyParts);
+
+ // Just in case, also check our install prefix
+ dataDirNames << QCoreApplication::applicationDirPath() + "/../share";
+
+ // Normalize and append our application name
+ for (int i = 0; i < dataDirNames.count(); i++)
+ dataDirNames[i] = QDir::cleanPath(dataDirNames.at(i)) + "/quassel/";
+
#endif
- // add resource path and workdir just in case
- dataDirNames << QCoreApplication::applicationDirPath() + "/data/"
- << ":/data/";
+ // Add resource path and workdir just in case.
+ // Workdir should have precedence
+ dataDirNames.prepend(QCoreApplication::applicationDirPath() + "/data/");
+ dataDirNames.append(":/data/");
- // append trailing '/' and check for existence
- QStringList::Iterator iter = dataDirNames.begin();
+ // Append trailing '/' and check for existence
+ auto iter = dataDirNames.begin();
while (iter != dataDirNames.end()) {
if (!iter->endsWith(QDir::separator()) && !iter->endsWith('/'))
iter->append(QDir::separator());
++iter;
}
+ dataDirNames.removeDuplicates();
+
return dataDirNames;
}
QString Quassel::translationDirPath()
{
- if (_translationDirPath.isEmpty()) {
+ if (instance()->_translationDirPath.isEmpty()) {
// We support only one translation dir; fallback mechanisms wouldn't work else.
// This means that if we have a $data/translations dir, the internal :/i18n resource won't be considered.
foreach(const QString &dir, dataDirPaths()) {
if (QFile::exists(dir + "translations/")) {
- _translationDirPath = dir + "translations/";
+ instance()->_translationDirPath = dir + "translations/";
break;
}
}
- if (_translationDirPath.isEmpty())
- _translationDirPath = ":/i18n/";
+ if (instance()->_translationDirPath.isEmpty())
+ instance()->_translationDirPath = ":/i18n/";
}
- return _translationDirPath;
+ return instance()->_translationDirPath;
}
quasselTranslator->load(QString("%1").arg(locale.name()), translationDirPath());
#endif
}
+
+
+// ---- Quassel::Features ---------------------------------------------------------------------------------------------
+
+Quassel::Features::Features()
+{
+ QStringList features;
+
+ // TODO Qt5: Use QMetaEnum::fromType()
+ auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+ _features.resize(featureEnum.keyCount(), true); // enable all known features to true
+}
+
+
+Quassel::Features::Features(const QStringList &features, LegacyFeatures legacyFeatures)
+{
+ // TODO Qt5: Use QMetaEnum::fromType()
+ auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+ _features.resize(featureEnum.keyCount(), false);
+
+ for (auto &&feature : features) {
+ int i = featureEnum.keyToValue(qPrintable(feature));
+ if (i >= 0) {
+ _features[i] = true;
+ }
+ else {
+ _unknownFeatures << feature;
+ }
+ }
+
+ if (legacyFeatures) {
+ // TODO Qt5: Use QMetaEnum::fromType()
+ auto legacyFeatureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("LegacyFeature"));
+ for (quint32 mask = 0x0001; mask <= 0x8000; mask <<=1) {
+ if (static_cast<quint32>(legacyFeatures) & mask) {
+ int i = featureEnum.keyToValue(legacyFeatureEnum.valueToKey(mask));
+ if (i >= 0) {
+ _features[i] = true;
+ }
+ }
+ }
+ }
+}
+
+
+bool Quassel::Features::isEnabled(Feature feature) const
+{
+ size_t i = static_cast<size_t>(feature);
+ return i < _features.size() ? _features[i] : false;
+}
+
+
+QStringList Quassel::Features::toStringList(bool enabled) const
+{
+ // Check if any feature is enabled
+ if (!enabled && std::all_of(_features.cbegin(), _features.cend(), [](bool feature) { return !feature; })) {
+ return QStringList{} << "NoFeatures";
+ }
+
+ QStringList result;
+
+ // TODO Qt5: Use QMetaEnum::fromType()
+ auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+ for (quint32 i = 0; i < _features.size(); ++i) {
+ if (_features[i] == enabled) {
+ result << featureEnum.key(i);
+ }
+ }
+ return result;
+}
+
+
+Quassel::LegacyFeatures Quassel::Features::toLegacyFeatures() const
+{
+ // TODO Qt5: Use LegacyFeatures (flag operators for enum classes not supported in Qt4)
+ quint32 result{0};
+ // TODO Qt5: Use QMetaEnum::fromType()
+ auto featureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("Feature"));
+ auto legacyFeatureEnum = Quassel::staticMetaObject.enumerator(Quassel::staticMetaObject.indexOfEnumerator("LegacyFeature"));
+
+ for (quint32 i = 0; i < _features.size(); ++i) {
+ if (_features[i]) {
+ int v = legacyFeatureEnum.keyToValue(featureEnum.key(i));
+ if (v >= 0) {
+ result |= v;
+ }
+ }
+ }
+ return static_cast<LegacyFeatures>(result);
+}
+
+
+QStringList Quassel::Features::unknownFeatures() const
+{
+ return _unknownFeatures;
+}