X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcommon%2Fquassel.cpp;h=c75836a33f399780b22dce04997dcb94e9271824;hp=1ecc896976e2984933cedb8d0341ce0400a33c17;hb=899709300734acc2bac01b1d57a1fd8fe2a6d923;hpb=de5e60aac1e7e993d2c82b2e22e3a47ff429f268 diff --git a/src/common/quassel.cpp b/src/common/quassel.cpp index 1ecc8969..c75836a3 100644 --- a/src/common/quassel.cpp +++ b/src/common/quassel.cpp @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-08 by the Quassel IRC Team * + * Copyright (C) 2005-2018 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -15,276 +15,752 @@ * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ #include "quassel.h" +#include +#include + #include +#if !defined Q_OS_WIN && !defined Q_OS_MAC +# include +# include +# include +#endif #include #include -#include -#include +#include +#include +#include +#include +#include +#include +#include +#include -#include "message.h" +#include "bufferinfo.h" #include "identity.h" +#include "logger.h" +#include "message.h" #include "network.h" -#include "bufferinfo.h" -#include "types.h" +#include "peer.h" +#include "protocol.h" #include "syncableobject.h" +#include "types.h" + +#include "../../version.h" + +Quassel *Quassel::instance() +{ + static Quassel instance; + return &instance; +} -#if defined(HAVE_EXECINFO) and not defined(Q_OS_MAC) -# define BUILD_CRASHHANDLER -# include -# include -# include + +Quassel::Quassel() +{ + // We catch SIGTERM and SIGINT (caused by Ctrl+C) to graceful shutdown Quassel. + signal(SIGTERM, handleSignal); + signal(SIGINT, handleSignal); +#ifndef Q_OS_WIN + // SIGHUP is used to reload configuration (i.e. SSL certificates) + // Windows does not support SIGHUP + signal(SIGHUP, handleSignal); #endif +} + + +bool Quassel::init() +{ + if (instance()->_initialized) + return true; // allow multiple invocations because of MonolithicApplication + + if (instance()->_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 */ + } -Quassel::BuildInfo Quassel::_buildInfo; -CliParser *Quassel::_cliParser = 0; -Quassel::RunMode Quassel::_runMode; -bool Quassel::_initialized = false; -bool Quassel::DEBUG = false; + instance()->_initialized = true; + qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); -Quassel::Quassel() { - // We catch SIGTERM and SIGINT (caused by Ctrl+C) to graceful shutdown Quassel. - signal(SIGTERM, handleSignal); - signal(SIGINT, handleSignal); + instance()->setupEnvironment(); + instance()->registerMetaTypes(); -#ifdef BUILD_CRASHHANDLER - signal(SIGABRT, handleSignal); - signal(SIGBUS, handleSignal); - signal(SIGSEGV, handleSignal); -#endif // #if defined(HAVE_EXECINFO) and not defined(Q_OS_MAC) + Network::setDefaultCodecForServer("ISO-8859-1"); + Network::setDefaultCodecForEncoding("UTF-8"); + Network::setDefaultCodecForDecoding("ISO-8859-15"); - _cliParser = new CliParser(); + if (isOptionSet("help")) { + instance()->_cliParser->usage(); + return false; + } - // put shared client&core arguments here - cliParser()->addSwitch("debug",'d', tr("Enable debug output")); - cliParser()->addSwitch("help",'h', tr("Display this help and exit")); + if (isOptionSet("version")) { + std::cout << qPrintable("Quassel IRC: " + Quassel::buildInfo().plainVersionString) << std::endl; + return false; + } + + // set up logging + if (Quassel::runMode() != Quassel::ClientOnly) { + if (isOptionSet("loglevel")) { + QString level = optionValue("loglevel"); + + if (level == "Debug") + setLogLevel(DebugLevel); + else if (level == "Info") + setLogLevel(InfoLevel); + else if (level == "Warning") + setLogLevel(WarningLevel); + else if (level == "Error") + setLogLevel(ErrorLevel); + else { + qWarning() << qPrintable(tr("Invalid log level %1; supported are Debug|Info|Warning|Error").arg(level)); + return false; + } + } + + QString logfilename = optionValue("logfile"); + if (!logfilename.isEmpty()) { + instance()->_logFile.reset(new QFile{logfilename}); + if (!logFile()->open(QIODevice::Append | QIODevice::Text)) { + qWarning() << "Could not open log file" << logfilename << ":" << logFile()->errorString(); + instance()->_logFile.reset(); + } + } +#ifdef HAVE_SYSLOG + instance()->_logToSyslog = isOptionSet("syslog"); +#endif + } + + return true; } -Quassel::~Quassel() { - delete _cliParser; + +void Quassel::destroy() +{ + if (logFile()) { + logFile()->close(); + instance()->_logFile.reset(); + } } -bool Quassel::init() { - if(_initialized) return true; // allow multiple invocations because of MonolithicApplication - qsrand(QTime(0,0,0).secsTo(QTime::currentTime())); +void Quassel::registerQuitHandler(QuitHandler handler) +{ + instance()->_quitHandlers.emplace_back(std::move(handler)); +} + +void Quassel::quit() +{ + if (_quitHandlers.empty()) { + QCoreApplication::quit(); + } + else { + for (auto &&handler : _quitHandlers) { + handler(); + } + } +} - registerMetaTypes(); - setupBuildInfo(); - Global::setupVersion(); - setupTranslations(); - QCoreApplication::setApplicationName(buildInfo().applicationName); - QCoreApplication::setOrganizationName(buildInfo().organizationName); - QCoreApplication::setOrganizationDomain(buildInfo().organizationDomain); +void Quassel::registerReloadHandler(ReloadHandler handler) +{ + instance()->_reloadHandlers.emplace_back(std::move(handler)); +} - Network::setDefaultCodecForServer("ISO-8859-1"); - Network::setDefaultCodecForEncoding("UTF-8"); - Network::setDefaultCodecForDecoding("ISO-8859-15"); - if(!cliParser()->parse(QCoreApplication::arguments()) || isOptionSet("help")) { - cliParser()->usage(); - return false; - } - DEBUG = isOptionSet("debug"); - return true; +bool Quassel::reloadConfig() +{ + bool result{true}; + for (auto &&handler : _reloadHandlers) { + result = result && handler(); + } + return result; } + //! Register our custom types with Qt's Meta Object System. /** This makes them available for QVariant and in signals/slots, among other things. * */ -void Quassel::registerMetaTypes() { - // Complex types - qRegisterMetaType("QVariant"); - qRegisterMetaType("Message"); - qRegisterMetaType("BufferInfo"); - qRegisterMetaType("NetworkInfo"); - qRegisterMetaType("Identity"); - qRegisterMetaType("Network::ConnectionState"); - - qRegisterMetaTypeStreamOperators("QVariant"); - qRegisterMetaTypeStreamOperators("Message"); - qRegisterMetaTypeStreamOperators("BufferInfo"); - qRegisterMetaTypeStreamOperators("NetworkInfo"); - qRegisterMetaTypeStreamOperators("Identity"); - qRegisterMetaTypeStreamOperators("Network::ConnectionState"); - - qRegisterMetaType("IdentityId"); - qRegisterMetaType("BufferId"); - qRegisterMetaType("NetworkId"); - qRegisterMetaType("UserId"); - qRegisterMetaType("AccountId"); - qRegisterMetaType("MsgId"); - - qRegisterMetaTypeStreamOperators("IdentityId"); - qRegisterMetaTypeStreamOperators("BufferId"); - qRegisterMetaTypeStreamOperators("NetworkId"); - qRegisterMetaTypeStreamOperators("UserId"); - qRegisterMetaTypeStreamOperators("AccountId"); - qRegisterMetaTypeStreamOperators("MsgId"); -} - -void Quassel::setupTranslations() { - // Set up i18n support - QLocale locale = QLocale::system(); - - QTranslator *qtTranslator = new QTranslator(qApp); - qtTranslator->setObjectName("QtTr"); - qtTranslator->load(QString(":i18n/qt_%1").arg(locale.name())); - qApp->installTranslator(qtTranslator); - - QTranslator *quasselTranslator = new QTranslator(qApp); - quasselTranslator->setObjectName("QuasselTr"); - quasselTranslator->load(QString(":i18n/quassel_%1").arg(locale.name())); - qApp->installTranslator(quasselTranslator); -} - -void Quassel::setupBuildInfo() { - _buildInfo.applicationName = "Quassel IRC"; - _buildInfo.coreApplicationName = "Quassel Core"; - _buildInfo.clientApplicationName = "Quassel Client"; - _buildInfo.organizationName = "Quassel Project"; - _buildInfo.organizationDomain = "quassel-irc.org"; -/* -# include "version.inc" -# include "version.gen" - - if(quasselGeneratedVersion.isEmpty()) { - if(quasselCommit.isEmpty()) - quasselVersion = QString("v%1 (unknown rev)").arg(quasselBaseVersion); - else - quasselVersion = QString("v%1 (dist-%2, %3)").arg(quasselBaseVersion).arg(quasselCommit.left(7)) - .arg(QDateTime::fromTime_t(quasselArchiveDate).toLocalTime().toString("yyyy-MM-dd")); - } else { - QStringList parts = quasselGeneratedVersion.split(':'); - quasselVersion = QString("v%1").arg(parts[0]); - if(parts.count() >= 2) quasselVersion.append(QString(" (%1)").arg(parts[1])); - } - quasselBuildDate = __DATE__; - quasselBuildTime = __TIME__; - */ +void Quassel::registerMetaTypes() +{ + // Complex types + qRegisterMetaType("Message"); + qRegisterMetaType("BufferInfo"); + qRegisterMetaType("NetworkInfo"); + qRegisterMetaType("Network::Server"); + qRegisterMetaType("Identity"); + + qRegisterMetaTypeStreamOperators("Message"); + qRegisterMetaTypeStreamOperators("BufferInfo"); + qRegisterMetaTypeStreamOperators("NetworkInfo"); + qRegisterMetaTypeStreamOperators("Network::Server"); + qRegisterMetaTypeStreamOperators("Identity"); + + qRegisterMetaType("IdentityId"); + qRegisterMetaType("BufferId"); + qRegisterMetaType("NetworkId"); + qRegisterMetaType("UserId"); + qRegisterMetaType("AccountId"); + qRegisterMetaType("MsgId"); + + qRegisterMetaType("QHostAddress"); + qRegisterMetaTypeStreamOperators("QHostAddress"); + qRegisterMetaType("QUuid"); + qRegisterMetaTypeStreamOperators("QUuid"); + + qRegisterMetaTypeStreamOperators("IdentityId"); + qRegisterMetaTypeStreamOperators("BufferId"); + qRegisterMetaTypeStreamOperators("NetworkId"); + qRegisterMetaTypeStreamOperators("UserId"); + qRegisterMetaTypeStreamOperators("AccountId"); + qRegisterMetaTypeStreamOperators("MsgId"); + + qRegisterMetaType("Protocol::SessionState"); + qRegisterMetaType("PeerPtr"); + qRegisterMetaTypeStreamOperators("PeerPtr"); + + // Versions of Qt prior to 4.7 didn't define QVariant as a meta type + if (!QMetaType::type("QVariant")) { + qRegisterMetaType("QVariant"); + qRegisterMetaTypeStreamOperators("QVariant"); + } +} + + +void Quassel::setupEnvironment() +{ + // On modern Linux systems, XDG_DATA_DIRS contains a list of directories containing application data. This + // is, for example, used by Qt for finding icons and other things. In case Quassel is installed in a non-standard + // prefix (or run from the build directory), it makes sense to add this to XDG_DATA_DIRS so we don't have to + // hack extra search paths into various places. +#ifdef Q_OS_UNIX + QString xdgDataVar = QFile::decodeName(qgetenv("XDG_DATA_DIRS")); + if (xdgDataVar.isEmpty()) + xdgDataVar = QLatin1String("/usr/local/share:/usr/share"); // sane defaults + + QStringList xdgDirs = xdgDataVar.split(QLatin1Char(':'), QString::SkipEmptyParts); + + // Add our install prefix (if we're not in a bindir, this just adds the current workdir) + QString appDir = QCoreApplication::applicationDirPath(); + int binpos = appDir.lastIndexOf("/bin"); + if (binpos >= 0) { + appDir.replace(binpos, 4, "/share"); + xdgDirs.append(appDir); + // Also append apps/quassel, this is only for QIconLoader to find icons there + xdgDirs.append(appDir + "/apps/quassel"); + } else + xdgDirs.append(appDir); // build directory is always the last fallback + + xdgDirs.removeDuplicates(); + + qputenv("XDG_DATA_DIRS", QFile::encodeName(xdgDirs.join(":"))); +#endif +} + + +void Quassel::setupBuildInfo() +{ + BuildInfo buildInfo; + 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.baseVersion = QUASSEL_VERSION_STRING; + buildInfo.generatedVersion = GIT_DESCRIBE; + + // Check if we got a commit hash + if (!QString(GIT_HEAD).isEmpty()) { + buildInfo.commitHash = GIT_HEAD; + QDateTime date; + date.setTime_t(GIT_COMMIT_DATE); + buildInfo.commitDate = date.toString(); + } + else if (!QString(DIST_HASH).contains("Format")) { + buildInfo.commitHash = DIST_HASH; + buildInfo.commitDate = QString(DIST_DATE); + } + + // create a nice version string + 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-%2)"} + .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); + } + } + else { + // analyze what we got from git-describe + 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-%3%4)"} + .arg(buildInfo.baseVersion, distance, rx.cap(3), rx.cap(4), buildInfo.commitHash); + } + } + else { + buildInfo.plainVersionString = QString{"v%1 (invalid revision)"}.arg(buildInfo.baseVersion); + } + } + if (buildInfo.fancyVersionString.isEmpty()) { + buildInfo.fancyVersionString = buildInfo.plainVersionString; + } + + instance()->_buildInfo = std::move(buildInfo); } + +const Quassel::BuildInfo &Quassel::buildInfo() +{ + return instance()->_buildInfo; +} + + //! Signal handler for graceful shutdown. -void Quassel::handleSignal(int sig) { - switch(sig) { +void Quassel::handleSignal(int sig) +{ + switch (sig) { case SIGTERM: case SIGINT: - qWarning("%s", qPrintable(QString("Caught signal %1 - exiting.").arg(sig))); - QCoreApplication::quit(); - break; - -#ifdef BUILD_CRASHHANDLER + qWarning("%s", qPrintable(QString("Caught signal %1 - exiting.").arg(sig))); + instance()->quit(); + break; +#ifndef Q_OS_WIN +// Windows does not support SIGHUP + case SIGHUP: + // Most applications use this as the 'configuration reload' command, e.g. nginx uses it for + // graceful reloading of processes. + quInfo() << "Caught signal" << SIGHUP << "- reloading configuration"; + if (instance()->reloadConfig()) { + quInfo() << "Successfully reloaded configuration"; + } + break; +#endif case SIGABRT: - case SIGBUS: case SIGSEGV: - handleCrash(); +#ifndef Q_OS_WIN + case SIGBUS: #endif - break; + instance()->logBacktrace(instance()->coreDumpFileName()); + exit(EXIT_FAILURE); default: - break; - } -} - -void Quassel::handleCrash() { -#ifdef BUILD_CRASHHANDLER - void* callstack[128]; - int i, frames = backtrace(callstack, 128); - - QFile dumpFile(QString("Quassel-Crash-%1").arg(QDateTime::currentDateTime().toString("yyyyMMdd-hhmm.log"))); - dumpFile.open(QIODevice::WriteOnly); - QTextStream dumpStream(&dumpFile); - - for (i = 0; i < frames; ++i) { - Dl_info info; - dladdr (callstack[i], &info); - // as a reference: - // typedef struct - // { - // __const char *dli_fname; /* File name of defining object. */ - // void *dli_fbase; /* Load address of that object. */ - // __const char *dli_sname; /* Name of nearest symbol. */ - // void *dli_saddr; /* Exact value of nearest symbol. */ - // } Dl_info; - - #if __LP64__ - int addrSize = 16; - #else - int addrSize = 8; - #endif - - QString funcName; - if(info.dli_sname) { - char *func = abi::__cxa_demangle(info.dli_sname, 0, 0, 0); - if(func) { - funcName = QString(func); - free(func); - } else { - funcName = QString(info.dli_sname); - } - } else { - funcName = QString("0x%1").arg((long)info.dli_saddr, addrSize, QLatin1Char('0')); + ; } +} + + +void Quassel::disableCrashHandler() +{ + instance()->_handleCrashes = false; +} + + +Quassel::RunMode Quassel::runMode() { + return instance()->_runMode; +} + + +void Quassel::setRunMode(RunMode runMode) +{ + instance()->_runMode = runMode; +} + + +void Quassel::setCliParser(std::shared_ptr parser) +{ + instance()->_cliParser = std::move(parser); +} + + +QString Quassel::optionValue(const QString &key) +{ + return instance()->_cliParser ? instance()->_cliParser->value(key) : QString{}; +} + + +bool Quassel::isOptionSet(const QString &key) +{ + return instance()->_cliParser ? instance()->_cliParser->isSet(key) : false; +} + + +Quassel::LogLevel Quassel::logLevel() +{ + return instance()->_logLevel; +} - // prettificating the filename - QString fileName("???"); - if(info.dli_fname) { - fileName = QString(info.dli_fname); - int slashPos = fileName.lastIndexOf('/'); - if(slashPos != -1) - fileName = fileName.mid(slashPos + 1); - if(fileName.count() < 20) - fileName += QString(20 - fileName.count(), ' '); + +void Quassel::setLogLevel(LogLevel logLevel) +{ + instance()->_logLevel = logLevel; +} + + +QFile *Quassel::logFile() { + return instance()->_logFile.get(); +} + + +bool Quassel::logToSyslog() +{ + return instance()->_logToSyslog; +} + + +void Quassel::logFatalMessage(const char *msg) +{ +#ifdef Q_OS_MAC + Q_UNUSED(msg) +#else + QFile dumpFile(instance()->coreDumpFileName()); + dumpFile.open(QIODevice::Append); + QTextStream dumpStream(&dumpFile); + + dumpStream << "Fatal: " << msg << '\n'; + dumpStream.flush(); + dumpFile.close(); +#endif +} + + +const QString &Quassel::coreDumpFileName() +{ + if (_coreDumpFileName.isEmpty()) { + QDir configDir(configDirPath()); + _coreDumpFileName = configDir.absoluteFilePath(QString("Quassel-Crash-%1.log").arg(QDateTime::currentDateTime().toString("yyyyMMdd-hhmm"))); + QFile dumpFile(_coreDumpFileName); + dumpFile.open(QIODevice::Append); + QTextStream dumpStream(&dumpFile); + dumpStream << "Quassel IRC: " << _buildInfo.baseVersion << ' ' << _buildInfo.commitHash << '\n'; + qDebug() << "Quassel IRC: " << _buildInfo.baseVersion << ' ' << _buildInfo.commitHash; + dumpStream.flush(); + dumpFile.close(); } + return _coreDumpFileName; +} - QString debugLine = QString("#%1 %2 0x%3 %4").arg(i, 3, 10) - .arg(fileName) - .arg((long)(callstack[i]), addrSize, 16, QLatin1Char('0')) - .arg(funcName); - dumpStream << debugLine << "\n"; - qDebug() << qPrintable(debugLine); - } - dumpFile.close(); - exit(27); -#endif /* BUILD_CRASHHANDLER */ +QString Quassel::configDirPath() +{ + if (!instance()->_configDirPath.isEmpty()) + return instance()->_configDirPath; + + QString path; + if (isOptionSet("datadir")) { + qWarning() << "Obsolete option --datadir used!"; + path = Quassel::optionValue("datadir"); + } + else if (isOptionSet("configdir")) { + path = Quassel::optionValue("configdir"); + } + else { +#ifdef Q_OS_MAC + // On Mac, the path is always the same + 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 + // don't use the registry + QSettings::Format format = QSettings::IniFormat; +# else + QSettings::Format format = QSettings::NativeFormat; +# endif + QSettings s(format, QSettings::UserScope, QCoreApplication::organizationDomain(), buildInfo().applicationName); + QFileInfo fileInfo(s.fileName()); + path = fileInfo.dir().absolutePath(); +#endif /* Q_OS_MAC */ + } + + if (!path.endsWith(QDir::separator()) && !path.endsWith('/')) + path += QDir::separator(); + + QDir qDir{path}; + if (!qDir.exists(path)) { + if (!qDir.mkpath(path)) { + qCritical() << "Unable to create Quassel config directory:" << qPrintable(qDir.absolutePath()); + return {}; + } + } + + instance()->_configDirPath = path; + + return path; +} + + +void Quassel::setDataDirPaths(const QStringList &paths) { + instance()->_dataDirPaths = paths; } -// FIXME temporary -void Global::setupVersion() { +QStringList Quassel::dataDirPaths() +{ + return instance()->_dataDirPaths; +} - # include "version.inc" - # include "version.gen" - if(quasselGeneratedVersion.isEmpty()) { - if(quasselCommit.isEmpty()) - quasselVersion = QString("v%1 (unknown rev)").arg(quasselBaseVersion); +QStringList Quassel::findDataDirPaths() +{ + // TODO Qt5 + // We don't use QStandardPaths for now, as we still need to provide fallbacks for Qt4 and + // want to stay consistent. + + QStringList dataDirNames; +#ifdef Q_OS_WIN + 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(); +#else + // 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 - quasselVersion = QString("v%1 (dist-%2, %3)").arg(quasselBaseVersion).arg(quasselCommit.left(7)) - .arg(QDateTime::fromTime_t(quasselArchiveDate).toLocalTime().toString("yyyy-MM-dd")); - } else { - QStringList parts = quasselGeneratedVersion.split(':'); - quasselVersion = QString("v%1").arg(parts[0]); - if(parts.count() >= 2) quasselVersion.append(QString(" (%1)").arg(parts[1])); - } - quasselBuildDate = __DATE__; - quasselBuildTime = __TIME__; -} - -QString Global::quasselVersion; -QString Global::quasselBaseVersion; -QString Global::quasselGeneratedVersion; -QString Global::quasselBuildDate; -QString Global::quasselBuildTime; -QString Global::quasselCommit; -uint Global::quasselArchiveDate; -uint Global::protocolVersion; -uint Global::clientNeedsProtocol; -uint Global::coreNeedsProtocol; + 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. + // Workdir should have precedence + dataDirNames.prepend(QCoreApplication::applicationDirPath() + "/data/"); + dataDirNames.append(":/data/"); + + // 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()); + if (!QFile::exists(*iter)) + iter = dataDirNames.erase(iter); + else + ++iter; + } + + dataDirNames.removeDuplicates(); + + return dataDirNames; +} + + +QString Quassel::findDataFilePath(const QString &fileName) +{ + QStringList dataDirs = dataDirPaths(); + foreach(QString dataDir, dataDirs) { + QString path = dataDir + fileName; + if (QFile::exists(path)) + return path; + } + return QString(); +} + + +QStringList Quassel::scriptDirPaths() +{ + QStringList res(configDirPath() + "scripts/"); + foreach(QString path, dataDirPaths()) + res << path + "scripts/"; + return res; +} + + +QString Quassel::translationDirPath() +{ + 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/")) { + instance()->_translationDirPath = dir + "translations/"; + break; + } + } + if (instance()->_translationDirPath.isEmpty()) + instance()->_translationDirPath = ":/i18n/"; + } + return instance()->_translationDirPath; +} + + +void Quassel::loadTranslation(const QLocale &locale) +{ + QTranslator *qtTranslator = QCoreApplication::instance()->findChild("QtTr"); + QTranslator *quasselTranslator = QCoreApplication::instance()->findChild("QuasselTr"); + + if (qtTranslator) + qApp->removeTranslator(qtTranslator); + if (quasselTranslator) + qApp->removeTranslator(quasselTranslator); + + // We use QLocale::C to indicate that we don't want a translation + if (locale.language() == QLocale::C) + return; + + qtTranslator = new QTranslator(qApp); + qtTranslator->setObjectName("QtTr"); + qApp->installTranslator(qtTranslator); + + quasselTranslator = new QTranslator(qApp); + quasselTranslator->setObjectName("QuasselTr"); + qApp->installTranslator(quasselTranslator); + +#if QT_VERSION >= 0x040800 && !defined Q_OS_MAC + bool success = qtTranslator->load(locale, QString("qt_"), translationDirPath()); + if (!success) + qtTranslator->load(locale, QString("qt_"), QLibraryInfo::location(QLibraryInfo::TranslationsPath)); + quasselTranslator->load(locale, QString(""), translationDirPath()); +#else + bool success = qtTranslator->load(QString("qt_%1").arg(locale.name()), translationDirPath()); + if (!success) + qtTranslator->load(QString("qt_%1").arg(locale.name()), QLibraryInfo::location(QLibraryInfo::TranslationsPath)); + 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(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(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(result); +} + + +QStringList Quassel::Features::unknownFeatures() const +{ + return _unknownFeatures; +}