qBittorrent/src/misc.h
Christophe Dumez b41aa38f39 Code clean up
2010-12-04 14:15:16 +00:00

185 lines
6.1 KiB
C++

/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#ifndef MISC_H
#define MISC_H
#include <sstream>
#include <QString>
#include <QStringList>
#include <QThread>
#include <ctime>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <boost/date_time/posix_time/conversion.hpp>
#include <QPoint>
#include <QFile>
#include <QDir>
#include <libtorrent/torrent_info.hpp>
#include <libtorrent/torrent_handle.hpp>
const qlonglong MAX_ETA = 8640000;
/* Miscellaneaous functions that can be useful */
class misc : public QObject{
Q_OBJECT
private:
misc(); // Forbidden
public:
static inline QString toQString(const std::string &str) {
return QString::fromLocal8Bit(str.c_str());
}
static inline QString toQString(const char* str) {
return QString::fromLocal8Bit(str);
}
static inline QString toQStringU(const std::string &str) {
return QString::fromUtf8(str.c_str());
}
static inline QString toQStringU(const char* str) {
return QString::fromUtf8(str);
}
static inline QString toQString(const libtorrent::sha1_hash &hash) {
std::ostringstream o;
o << hash;
return QString(o.str().c_str());
}
static inline libtorrent::sha1_hash toSha1Hash(const QString &hash) {
return libtorrent::sha1_hash(qPrintable(hash));
}
static void chmod644(const QDir& folder);
static inline QString removeLastPathPart(QString path) {
if(path.isEmpty()) return path;
path = path.replace("\\", "/");
QStringList tmp = path.split("/");
tmp.removeLast();
return tmp.join("/");
}
static inline libtorrent::sha1_hash QStringToSha1(const QString& s) {
std::string str(s.toLocal8Bit().data());
std::istringstream i(str);
libtorrent::sha1_hash x;
i>>x;
return x;
}
static inline QString file_extension(const QString &filename) {
QString extension;
if(filename.contains(".")) {
extension = filename.mid(filename.lastIndexOf(".")+1);
}
return extension;
}
static void shutdownComputer();
static bool safeRemove(QString file_path) {
QFile MyFile(file_path);
if(!MyFile.exists()) return true;
// Make sure the permissions are ok
MyFile.setPermissions(MyFile.permissions()|QFile::ReadOwner|QFile::WriteOwner|QFile::ReadUser|QFile::WriteUser);
// Actually remove the file
return MyFile.remove();
}
static quint64 computePathSize(QString path);
static QString truncateRootFolder(boost::intrusive_ptr<libtorrent::torrent_info> t);
static QString truncateRootFolder(libtorrent::torrent_handle h);
static QString updateLabelInSavePath(const QString& defaultSavePath, const QString &save_path, const QString &old_label, const QString &new_label);
static bool sameFiles(const QString &path1, const QString &path2);
static void copyDir(QString src_path, QString dst_path);
static QString toValidFileSystemName(QString filename);
static bool isValidFileSystemName(QString filename);
/* Ported from Qt4 to drop dependency on QtGui */
static QString QDesktopServicesDataLocation();
static QString QDesktopServicesCacheLocation();
/* End of Qt4 code */
#ifndef DISABLE_GUI
// Get screen center
static QPoint screenCenter(QWidget *win);
#endif
static QString searchEngineLocation();
static QString BTBackupLocation();
static QString cacheLocation();
static long long freeDiskSpaceOnPath(QString path);
// return best userfriendly storage unit (B, KiB, MiB, GiB, TiB)
// use Binary prefix standards from IEC 60027-2
// see http://en.wikipedia.org/wiki/Kilobyte
// value must be given in bytes
static QString friendlyUnit(double val);
static bool isPreviewable(QString extension);
static bool removeEmptyTree(QString path);
static QString magnetUriToName(QString magnet_uri);
static QString magnetUriToHash(QString magnet_uri);
static QString bcLinkToMagnet(QString bc_link);
static QString boostTimeToQString(const boost::optional<boost::posix_time::ptime> &boostDate);
static QString time_tToQString(const boost::optional<time_t> &t);
// Replace ~ in path
static QString expandPath(QString path);
// Take a number of seconds and return an user-friendly
// time duration like "1d 2h 10m".
static QString userFriendlyDuration(qlonglong seconds);
static QString getUserIDString();
// Convert functions
static QStringList toStringList(const QList<bool> &l);
static QList<int> intListfromStringList(const QStringList &l);
static QList<bool> boolListfromStringList(const QStringList &l);
static bool isValidTorrentFile(const QString &path);
private:
static const QString units[5];
};
// Trick to get a portable sleep() function
class SleeperThread : public QThread {
public:
static void msleep(unsigned long msecs)
{
QThread::msleep(msecs);
}
};
#endif