800 lines
20 KiB
C++
800 lines
20 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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* Copyright 2018, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <memory>
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#include <stdlib.h>
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#include <QtGlobal>
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#include <QApplication>
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#include <QCoreApplication>
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#include <QWidget>
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#include <QObject>
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#include <QIODevice>
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#include <QByteArray>
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#include <QMetaObject>
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#include <QChar>
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#include <QCryptographicHash>
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#include <QDate>
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#include <QDateTime>
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#include <QDesktopServices>
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#include <QDir>
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#include <QFile>
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#include <QFileInfo>
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#include <QHostAddress>
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#include <QPoint>
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#include <QRect>
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#include <QSize>
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#include <QMap>
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#include <QList>
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#include <QSet>
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#include <QString>
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#include <QStringList>
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#include <QRegExp>
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#include <QTcpServer>
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#include <QTemporaryFile>
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#include <QUrl>
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#include <QMetaEnum>
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#include <QXmlStreamReader>
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#include <QSettings>
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#include <QtEvents>
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#include <QtDebug>
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#ifdef Q_OS_LINUX
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# include <unistd.h>
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# include <sys/syscall.h>
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#endif
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#ifdef Q_OS_MACOS
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# include <sys/resource.h>
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# include <sys/sysctl.h>
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# include <sys/param.h>
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#endif
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#if defined(Q_OS_UNIX)
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# include <sys/statvfs.h>
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#elif defined(Q_OS_WIN)
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# include <windows.h>
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#endif
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#ifdef Q_OS_MACOS
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# include <QProcess>
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# include "CoreServices/CoreServices.h"
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# include "IOKit/ps/IOPSKeys.h"
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# include "IOKit/ps/IOPowerSources.h"
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#elif defined(Q_OS_WIN)
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#include <QProcess>
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#endif
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#include "core/logging.h"
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#include "utilities.h"
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#include "sha2.h"
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#include "timeconstants.h"
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#include "application.h"
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#ifdef Q_OS_MACOS
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# include "mac_startup.h"
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# include "mac_utilities.h"
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# include "scoped_cftyperef.h"
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#endif
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namespace Utilities {
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static QString tr(const char *str) {
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return QCoreApplication::translate("", str);
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}
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QString PrettyTimeDelta(int seconds) {
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return (seconds >= 0 ? "+" : "-") + PrettyTime(seconds);
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}
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QString PrettyTime(int seconds) {
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// last.fm sometimes gets the track length wrong, so you end up with negative times.
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seconds = qAbs(seconds);
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int hours = seconds / (60 * 60);
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int minutes = (seconds / 60) % 60;
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seconds %= 60;
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QString ret;
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if (hours) ret.sprintf("%d:%02d:%02d", hours, minutes, seconds);
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else ret.sprintf("%d:%02d", minutes, seconds);
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return ret;
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}
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QString PrettyTimeNanosec(qint64 nanoseconds) {
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return PrettyTime(nanoseconds / kNsecPerSec);
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}
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QString WordyTime(quint64 seconds) {
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quint64 days = seconds / (60 * 60 * 24);
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// TODO: Make the plural rules translatable
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QStringList parts;
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if (days) parts << (days == 1 ? tr("1 day") : tr("%1 days").arg(days));
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parts << PrettyTime(seconds - days * 60 * 60 * 24);
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return parts.join(" ");
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}
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QString WordyTimeNanosec(qint64 nanoseconds) {
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return WordyTime(nanoseconds / kNsecPerSec);
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}
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QString Ago(int seconds_since_epoch, const QLocale &locale) {
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const QDateTime now = QDateTime::currentDateTime();
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const QDateTime then = QDateTime::fromTime_t(seconds_since_epoch);
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const int days_ago = then.date().daysTo(now.date());
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const QString time = then.time().toString(locale.timeFormat(QLocale::ShortFormat));
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if (days_ago == 0) return tr("Today") + " " + time;
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if (days_ago == 1) return tr("Yesterday") + " " + time;
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if (days_ago <= 7) return tr("%1 days ago").arg(days_ago);
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return then.date().toString(locale.dateFormat(QLocale::ShortFormat));
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}
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QString PrettyFutureDate(const QDate &date) {
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const QDate now = QDate::currentDate();
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const int delta_days = now.daysTo(date);
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if (delta_days < 0) return QString();
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if (delta_days == 0) return tr("Today");
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if (delta_days == 1) return tr("Tomorrow");
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if (delta_days <= 7) return tr("In %1 days").arg(delta_days);
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if (delta_days <= 14) return tr("Next week");
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return tr("In %1 weeks").arg(delta_days / 7);
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}
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QString PrettySize(quint64 bytes) {
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QString ret;
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if (bytes > 0) {
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if (bytes <= 1000)
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ret = QString::number(bytes) + " bytes";
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else if (bytes <= 1000 * 1000)
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ret.sprintf("%.1f KB", float(bytes) / 1000);
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else if (bytes <= 1000 * 1000 * 1000)
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ret.sprintf("%.1f MB", float(bytes) / (1000 * 1000));
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else
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ret.sprintf("%.1f GB", float(bytes) / (1000 * 1000 * 1000));
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}
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return ret;
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}
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quint64 FileSystemCapacity(const QString &path) {
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#if defined(Q_OS_UNIX)
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struct statvfs fs_info;
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if (statvfs(path.toLocal8Bit().constData(), &fs_info) == 0)
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return quint64(fs_info.f_blocks) * quint64(fs_info.f_bsize);
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#elif defined(Q_OS_WIN32)
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_ULARGE_INTEGER ret;
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if (GetDiskFreeSpaceEx(QDir::toNativeSeparators(path).toLocal8Bit().constData(), nullptr,&ret, nullptr) != 0)
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return ret.QuadPart;
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#endif
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return 0;
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}
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quint64 FileSystemFreeSpace(const QString &path) {
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#if defined(Q_OS_UNIX)
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struct statvfs fs_info;
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if (statvfs(path.toLocal8Bit().constData(), &fs_info) == 0)
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return quint64(fs_info.f_bavail) * quint64(fs_info.f_bsize);
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#elif defined(Q_OS_WIN32)
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_ULARGE_INTEGER ret;
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if (GetDiskFreeSpaceEx(QDir::toNativeSeparators(path).toLocal8Bit().constData(), &ret, nullptr, nullptr) != 0)
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return ret.QuadPart;
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#endif
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return 0;
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}
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QString MakeTempDir(const QString template_name) {
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QString path;
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{
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QTemporaryFile tempfile;
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if (!template_name.isEmpty()) tempfile.setFileTemplate(template_name);
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tempfile.open();
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path = tempfile.fileName();
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}
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QDir d;
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d.mkdir(path);
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return path;
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}
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QString GetTemporaryFileName() {
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QString file;
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{
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QTemporaryFile tempfile;
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// Do not delete the file, we want to do something with it
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tempfile.setAutoRemove(false);
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tempfile.open();
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file = tempfile.fileName();
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}
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return file;
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}
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QString SaveToTemporaryFile(const QByteArray &data) {
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QTemporaryFile tempfile;
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tempfile.setAutoRemove(false);
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if (!tempfile.open()) {
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return QString();
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}
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if (tempfile.write(data) != data.size()) {
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tempfile.remove();
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return QString();
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}
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tempfile.close();
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return tempfile.fileName();
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}
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bool RemoveRecursive(const QString &path) {
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QDir dir(path);
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for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs | QDir::Hidden)) {
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if (!RemoveRecursive(path + "/" + child))
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return false;
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}
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for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Files | QDir::Hidden)) {
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if (!QFile::remove(path + "/" + child))
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return false;
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}
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if (!dir.rmdir(path)) return false;
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return true;
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}
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bool CopyRecursive(const QString &source, const QString &destination) {
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// Make the destination directory
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QString dir_name = source.section('/', -1, -1);
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QString dest_path = destination + "/" + dir_name;
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QDir().mkpath(dest_path);
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QDir dir(source);
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for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs)) {
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if (!CopyRecursive(source + "/" + child, dest_path)) {
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qLog(Warning) << "Failed to copy dir" << source + "/" + child << "to" << dest_path;
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return false;
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}
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}
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for (const QString &child : dir.entryList(QDir::NoDotAndDotDot | QDir::Files)) {
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if (!QFile::copy(source + "/" + child, dest_path + "/" + child)) {
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qLog(Warning) << "Failed to copy file" << source + "/" + child << "to" << dest_path;
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return false;
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}
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}
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return true;
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}
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bool Copy(QIODevice *source, QIODevice *destination) {
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if (!source->open(QIODevice::ReadOnly)) return false;
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if (!destination->open(QIODevice::WriteOnly)) return false;
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const qint64 bytes = source->size();
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std::unique_ptr<char[]> data(new char[bytes]);
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qint64 pos = 0;
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qint64 bytes_read;
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do {
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bytes_read = source->read(data.get() + pos, bytes - pos);
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if (bytes_read == -1) return false;
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pos += bytes_read;
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} while (bytes_read > 0 && pos != bytes);
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pos = 0;
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qint64 bytes_written;
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do {
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bytes_written = destination->write(data.get() + pos, bytes - pos);
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if (bytes_written == -1) return false;
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pos += bytes_written;
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} while (bytes_written > 0 && pos != bytes);
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return true;
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}
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QString ColorToRgba(const QColor &c) {
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return QString("rgba(%1, %2, %3, %4)")
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.arg(c.red())
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.arg(c.green())
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.arg(c.blue())
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.arg(c.alpha());
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}
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#ifdef Q_OS_MACOS
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qint32 GetMacVersion() {
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SInt32 minor_version;
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Gestalt(gestaltSystemVersionMinor, &minor_version);
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return minor_version;
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}
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// Better than openUrl(dirname(path)) - also highlights file at path
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void RevealFileInFinder(QString const &path) {
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QProcess::execute("/usr/bin/open", QStringList() << "-R" << path);
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}
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#endif // Q_OS_MACOS
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#ifdef Q_OS_WIN
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void ShowFileInExplorer(QString const &path) {
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QProcess::execute("explorer.exe", QStringList() << "/select," << QDir::toNativeSeparators(path));
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}
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#endif
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void OpenInFileBrowser(const QList<QUrl> &urls) {
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QSet<QString> dirs;
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for (const QUrl &url : urls) {
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if (url.scheme() != "file") {
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continue;
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}
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QString path = url.toLocalFile();
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if (!QFile::exists(path)) continue;
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const QString directory = QFileInfo(path).dir().path();
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if (dirs.contains(directory)) continue;
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dirs.insert(directory);
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qLog(Debug) << path;
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#ifdef Q_OS_MACOS
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// Revealing multiple files in the finder only opens one window, so it also makes sense to reveal at most one per directory
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RevealFileInFinder(path);
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#elif defined(Q_OS_WIN32)
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ShowFileInExplorer(path);
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#else
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QDesktopServices::openUrl(QUrl::fromLocalFile(directory));
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#endif
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}
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}
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QByteArray Hmac(const QByteArray &key, const QByteArray &data, HashFunction method) {
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const int kBlockSize = 64; // bytes
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Q_ASSERT(key.length() <= kBlockSize);
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QByteArray inner_padding(kBlockSize, char(0x36));
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QByteArray outer_padding(kBlockSize, char(0x5c));
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for (int i = 0; i < key.length(); ++i) {
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inner_padding[i] = inner_padding[i] ^ key[i];
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outer_padding[i] = outer_padding[i] ^ key[i];
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}
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if (Md5_Algo == method) {
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return QCryptographicHash::hash(outer_padding + QCryptographicHash::hash(inner_padding + data, QCryptographicHash::Md5), QCryptographicHash::Md5);
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}
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else if (Sha1_Algo == method) {
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return QCryptographicHash::hash(outer_padding + QCryptographicHash::hash(inner_padding + data, QCryptographicHash::Sha1), QCryptographicHash::Sha1);
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}
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else { // Sha256_Algo, currently default
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return Sha256(outer_padding + Sha256(inner_padding + data));
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}
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}
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QByteArray HmacSha256(const QByteArray &key, const QByteArray &data) {
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return Hmac(key, data, Sha256_Algo);
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}
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QByteArray HmacMd5(const QByteArray &key, const QByteArray &data) {
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return Hmac(key, data, Md5_Algo);
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}
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QByteArray HmacSha1(const QByteArray &key, const QByteArray &data) {
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return Hmac(key, data, Sha1_Algo);
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}
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QByteArray Sha256(const QByteArray &data) {
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#ifndef USE_SYSTEM_SHA2
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using strawberry_sha2::SHA256_CTX;
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using strawberry_sha2::SHA256_Init;
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using strawberry_sha2::SHA256_Update;
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using strawberry_sha2::SHA256_Final;
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using strawberry_sha2::SHA256_DIGEST_LENGTH;
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#endif
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SHA256_CTX context;
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SHA256_Init(&context);
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SHA256_Update(&context, reinterpret_cast<const quint8*>(data.constData()), data.length());
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QByteArray ret(SHA256_DIGEST_LENGTH, '\0');
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SHA256_Final(reinterpret_cast<quint8*>(ret.data()), &context);
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return ret;
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}
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// File must not be open and will be closed afterwards!
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QByteArray Sha1File(QFile &file) {
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file.open(QIODevice::ReadOnly);
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QCryptographicHash hash(QCryptographicHash::Sha1);
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QByteArray data;
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while (!file.atEnd()) {
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data = file.read(1000000); // 1 mib
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hash.addData(data.data(), data.length());
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data.clear();
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}
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file.close();
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return hash.result();
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}
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QByteArray Sha1CoverHash(const QString &artist, const QString &album) {
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QCryptographicHash hash(QCryptographicHash::Sha1);
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hash.addData(artist.toLower().toUtf8().constData());
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hash.addData(album.toLower().toUtf8().constData());
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//qLog(Debug) << artist << album << hash.result();
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return hash.result();
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}
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QString PrettySize(const QSize &size) {
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return QString::number(size.width()) + "x" + QString::number(size.height());
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}
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void ForwardMouseEvent(const QMouseEvent *e, QWidget *target) {
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QMouseEvent c(e->type(), target->mapFromGlobal(e->globalPos()), e->globalPos(), e->button(), e->buttons(), e->modifiers());
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QApplication::sendEvent(target, &c);
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}
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bool IsMouseEventInWidget(const QMouseEvent *e, const QWidget *widget) {
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return widget->rect().contains(widget->mapFromGlobal(e->globalPos()));
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}
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quint16 PickUnusedPort() {
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forever {
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const quint16 port = 49152 + qrand() % 16384;
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QTcpServer server;
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if (server.listen(QHostAddress::Any, port)) {
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return port;
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}
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}
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}
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void ConsumeCurrentElement(QXmlStreamReader *reader) {
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int level = 1;
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while (level != 0 && !reader->atEnd()) {
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switch (reader->readNext()) {
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case QXmlStreamReader::StartElement: ++level; break;
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case QXmlStreamReader::EndElement: --level; break;
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default: break;
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}
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}
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}
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bool ParseUntilElement(QXmlStreamReader *reader, const QString &name) {
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while (!reader->atEnd()) {
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QXmlStreamReader::TokenType type = reader->readNext();
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switch (type) {
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case QXmlStreamReader::StartElement:
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if (reader->name() == name) {
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return true;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return false;
|
|
|
|
}
|
|
|
|
QDateTime ParseRFC822DateTime(const QString &text) {
|
|
|
|
QRegExp regexp("(\\d{1,2}) (\\w{3,12}) (\\d+) (\\d{1,2}):(\\d{1,2}):(\\d{1,2})");
|
|
if (regexp.indexIn(text) == -1) {
|
|
return QDateTime();
|
|
}
|
|
|
|
enum class MatchNames { DAYS = 1, MONTHS, YEARS, HOURS, MINUTES, SECONDS };
|
|
|
|
QMap<QString, int> monthmap;
|
|
monthmap["Jan"] = 1;
|
|
monthmap["Feb"] = 2;
|
|
monthmap["Mar"] = 3;
|
|
monthmap["Apr"] = 4;
|
|
monthmap["May"] = 5;
|
|
monthmap["Jun"] = 6;
|
|
monthmap["Jul"] = 7;
|
|
monthmap["Aug"] = 8;
|
|
monthmap["Sep"] = 9;
|
|
monthmap["Oct"] = 10;
|
|
monthmap["Nov"] = 11;
|
|
monthmap["Dec"] = 12;
|
|
monthmap["January"] = 1;
|
|
monthmap["February"] = 2;
|
|
monthmap["March"] = 3;
|
|
monthmap["April"] = 4;
|
|
monthmap["May"] = 5;
|
|
monthmap["June"] = 6;
|
|
monthmap["July"] = 7;
|
|
monthmap["August"] = 8;
|
|
monthmap["September"] = 9;
|
|
monthmap["October"] = 10;
|
|
monthmap["November"] = 11;
|
|
monthmap["December"] = 12;
|
|
|
|
const QDate date(regexp.cap(static_cast<int>(MatchNames::YEARS)).toInt(), monthmap[regexp.cap(static_cast<int>(MatchNames::MONTHS))], regexp.cap(static_cast<int>(MatchNames::DAYS)).toInt());
|
|
|
|
const QTime time(regexp.cap(static_cast<int>(MatchNames::HOURS)).toInt(), regexp.cap(static_cast<int>(MatchNames::MINUTES)).toInt(), regexp.cap(static_cast<int>(MatchNames::SECONDS)).toInt());
|
|
|
|
return QDateTime(date, time);
|
|
|
|
}
|
|
|
|
const char *EnumToString(const QMetaObject &meta, const char *name, int value) {
|
|
|
|
int index = meta.indexOfEnumerator(name);
|
|
if (index == -1) return "[UnknownEnum]";
|
|
QMetaEnum metaenum = meta.enumerator(index);
|
|
const char *result = metaenum.valueToKey(value);
|
|
if (result == 0) return "[UnknownEnumValue]";
|
|
return result;
|
|
|
|
}
|
|
|
|
QStringList Prepend(const QString &text, const QStringList &list) {
|
|
|
|
QStringList ret(list);
|
|
for (int i = 0; i < ret.count(); ++i) ret[i].prepend(text);
|
|
return ret;
|
|
|
|
}
|
|
|
|
QStringList Updateify(const QStringList &list) {
|
|
|
|
QStringList ret(list);
|
|
for (int i = 0; i < ret.count(); ++i) ret[i].prepend(ret[i] + " = :");
|
|
return ret;
|
|
|
|
}
|
|
|
|
QString DecodeHtmlEntities(const QString &text) {
|
|
|
|
QString copy(text);
|
|
copy.replace("&", "&");
|
|
copy.replace(""", "\"");
|
|
copy.replace("'", "'");
|
|
copy.replace("<", "<");
|
|
copy.replace(">", ">");
|
|
return copy;
|
|
|
|
}
|
|
|
|
int SetThreadIOPriority(IoPriority priority) {
|
|
|
|
#ifdef Q_OS_LINUX
|
|
return syscall(SYS_ioprio_set, IOPRIO_WHO_PROCESS, GetThreadId(), 4 | priority << IOPRIO_CLASS_SHIFT);
|
|
#elif defined(Q_OS_MACOS)
|
|
return setpriority(PRIO_DARWIN_THREAD, 0, priority == IOPRIO_CLASS_IDLE ? PRIO_DARWIN_BG : 0);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
|
|
}
|
|
|
|
int GetThreadId() {
|
|
|
|
#ifdef Q_OS_LINUX
|
|
return syscall(SYS_gettid);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
|
|
}
|
|
|
|
bool IsLaptop() {
|
|
|
|
#ifdef Q_OS_WIN
|
|
SYSTEM_POWER_STATUS status;
|
|
if (!GetSystemPowerStatus(&status)) {
|
|
return false;
|
|
}
|
|
|
|
return !(status.BatteryFlag & 128); // 128 = no system battery
|
|
#elif defined(Q_OS_LINUX)
|
|
return !QDir("/proc/acpi/battery").entryList(QDir::Dirs | QDir::NoDotAndDotDot).isEmpty();
|
|
#elif defined(Q_OS_MACOS)
|
|
ScopedCFTypeRef<CFTypeRef> power_sources(IOPSCopyPowerSourcesInfo());
|
|
ScopedCFTypeRef<CFArrayRef> power_source_list(IOPSCopyPowerSourcesList(power_sources.get()));
|
|
for (CFIndex i = 0; i < CFArrayGetCount(power_source_list.get()); ++i) {
|
|
CFTypeRef ps = CFArrayGetValueAtIndex(power_source_list.get(), i);
|
|
CFDictionaryRef description = IOPSGetPowerSourceDescription(power_sources.get(), ps);
|
|
|
|
if (CFDictionaryContainsKey(description, CFSTR(kIOPSBatteryHealthKey))) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
#else
|
|
return false;
|
|
#endif
|
|
|
|
}
|
|
|
|
bool UrlOnSameDriveAsStrawberry(const QUrl &url) {
|
|
|
|
if (url.scheme() != "file") return false;
|
|
|
|
#ifdef Q_OS_WIN
|
|
QUrl appUrl = QUrl::fromLocalFile(QCoreApplication::applicationDirPath());
|
|
if (url.toLocalFile().left(1) == appUrl.toLocalFile().left(1))
|
|
return true;
|
|
else
|
|
return false;
|
|
#else
|
|
// Non windows systems have always a / in the path
|
|
return true;
|
|
#endif
|
|
|
|
}
|
|
|
|
QUrl GetRelativePathToStrawberryBin(const QUrl &url) {
|
|
QDir appPath(QCoreApplication::applicationDirPath());
|
|
return QUrl::fromLocalFile(appPath.relativeFilePath(url.toLocalFile()));
|
|
}
|
|
|
|
QString PathWithoutFilenameExtension(const QString &filename) {
|
|
if (filename.section('/', -1, -1).contains('.')) return filename.section('.', 0, -2);
|
|
return filename;
|
|
}
|
|
|
|
QString FiddleFileExtension(const QString &filename, const QString &new_extension) {
|
|
return PathWithoutFilenameExtension(filename) + "." + new_extension;
|
|
}
|
|
|
|
void SetEnv(const char *key, const QString &value) {
|
|
|
|
#ifdef Q_OS_WIN32
|
|
putenv(QString("%1=%2").arg(key, value).toLocal8Bit().constData());
|
|
#else
|
|
setenv(key, value.toLocal8Bit().constData(), 1);
|
|
#endif
|
|
|
|
}
|
|
|
|
void IncreaseFDLimit() {
|
|
|
|
#ifdef Q_OS_MACOS
|
|
// Bump the soft limit for the number of file descriptors from the default of 256 to the maximum (usually 10240).
|
|
struct rlimit limit;
|
|
getrlimit(RLIMIT_NOFILE, &limit);
|
|
|
|
// getrlimit() lies about the hard limit so we have to check sysctl.
|
|
int max_fd = 0;
|
|
size_t len = sizeof(max_fd);
|
|
sysctlbyname("kern.maxfilesperproc", &max_fd, &len, nullptr, 0);
|
|
|
|
limit.rlim_cur = max_fd;
|
|
int ret = setrlimit(RLIMIT_NOFILE, &limit);
|
|
|
|
if (ret == 0) {
|
|
qLog(Debug) << "Max fd:" << max_fd;
|
|
}
|
|
#endif
|
|
|
|
}
|
|
|
|
void CheckPortable() {
|
|
|
|
QFile f(QApplication::applicationDirPath() + QDir::separator() + "data");
|
|
if (f.exists()) {
|
|
// We are portable. Set the bool and change the qsettings path
|
|
Application::kIsPortable = true;
|
|
|
|
QSettings::setDefaultFormat(QSettings::IniFormat);
|
|
QSettings::setPath(QSettings::IniFormat, QSettings::UserScope, f.fileName());
|
|
}
|
|
|
|
}
|
|
|
|
QString GetRandomStringWithChars(const int len) {
|
|
const QString UseCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz");
|
|
return GetRandomString(len, UseCharacters);
|
|
}
|
|
|
|
QString GetRandomStringWithCharsAndNumbers(const int len) {
|
|
const QString UseCharacters("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
|
|
return GetRandomString(len, UseCharacters);
|
|
}
|
|
|
|
QString GetRandomString(const int len, const QString &UseCharacters) {
|
|
|
|
QString randstr;
|
|
for(int i=0 ; i < len ; ++i) {
|
|
int index = qrand() % UseCharacters.length();
|
|
QChar nextchar = UseCharacters.at(index);
|
|
randstr.append(nextchar);
|
|
}
|
|
return randstr;
|
|
|
|
}
|
|
|
|
} // namespace Utilities
|
|
|
|
ScopedWCharArray::ScopedWCharArray(const QString &str)
|
|
: chars_(str.length()), data_(new wchar_t[chars_ + 1]) {
|
|
str.toWCharArray(data_.get());
|
|
data_[chars_] = '\0';
|
|
}
|
|
|