2012-05-16 22:19:05 +04:00
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/*
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* Bittorrent Client using Qt4 and libtorrent.
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* Copyright (C) 2012 Christophe Dumez
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give permission to
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* link this program with the OpenSSL project's "OpenSSL" library (or with
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* modified versions of it that use the same license as the "OpenSSL" library),
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* and distribute the linked executables. You must obey the GNU General Public
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* License in all respects for all of the code used other than "OpenSSL". If you
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* modify file(s), you may extend this exception to your version of the file(s),
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* but you are not obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*
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* Contact : chris@qbittorrent.org
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*/
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#include "fs_utils.h"
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#include "misc.h"
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#include <QDebug>
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#include <QDir>
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#include <QFile>
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#include <QFileInfo>
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#include <QSettings>
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#ifdef DISABLE_GUI
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#include <QCoreApplication>
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#else
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#include <QApplication>
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#endif
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#include <libtorrent/torrent_info.hpp>
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#ifdef Q_WS_MAC
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#include <CoreServices/CoreServices.h>
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#include <Carbon/Carbon.h>
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#endif
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#ifndef Q_WS_WIN
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#if defined(Q_WS_MAC) || defined(Q_OS_FREEBSD)
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#include <sys/param.h>
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#include <sys/mount.h>
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#else
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#include <sys/vfs.h>
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#endif
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#else
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2012-06-30 18:40:23 +04:00
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#include <shlobj.h>
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2012-05-16 22:19:05 +04:00
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#include <winbase.h>
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2012-06-30 18:42:20 +04:00
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#endif
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#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
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2012-06-30 18:40:23 +04:00
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#include <QDesktopServices>
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2012-05-16 22:19:05 +04:00
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#endif
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using namespace libtorrent;
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/**
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* Converts a path to a string suitable for display.
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* This function makes sure the directory separator used is consistent
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* with the OS being run.
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*/
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2013-11-05 22:33:04 +04:00
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QString fsutils::toNativePath(const QString& path) {
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2012-11-30 03:37:08 +04:00
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return QDir::toNativeSeparators(path);
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2012-05-16 22:19:05 +04:00
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}
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2013-11-05 22:33:04 +04:00
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QString fsutils::fromNativePath(const QString &path) {
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return QDir::fromNativeSeparators(path);
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}
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2012-05-16 22:19:05 +04:00
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/**
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* Returns the file extension part of a file name.
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*/
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QString fsutils::fileExtension(const QString &filename)
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{
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const int point_index = filename.lastIndexOf(".");
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return (point_index >= 0) ? filename.mid(point_index + 1) : QString();
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}
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QString fsutils::fileName(const QString& file_path)
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{
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2013-11-05 22:33:04 +04:00
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QString path = fsutils::fromNativePath(file_path);
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const int slash_index = path.lastIndexOf("/");
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2012-05-16 22:19:05 +04:00
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if (slash_index == -1)
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2013-11-05 22:33:04 +04:00
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return path;
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return path.mid(slash_index + 1);
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2012-05-16 22:19:05 +04:00
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}
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bool fsutils::isValidTorrentFile(const QString& torrent_path) {
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try {
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2013-11-05 22:33:04 +04:00
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boost::intrusive_ptr<libtorrent::torrent_info> t = new torrent_info(fsutils::toNativePath(torrent_path).toUtf8().constData());
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2012-05-16 22:19:05 +04:00
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if (!t->is_valid() || t->num_files() == 0)
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return false;
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} catch(std::exception&) {
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return false;
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}
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return true;
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}
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2012-07-05 19:46:25 +04:00
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/**
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* Remove an empty folder tree.
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*
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* This function will also remove .DS_Store files on Mac OS and
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* Thumbs.db on Windows.
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*/
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bool fsutils::smartRemoveEmptyFolderTree(const QString& dir_path)
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{
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qDebug() << Q_FUNC_INFO << dir_path;
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if (dir_path.isEmpty())
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return false;
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QDir dir(dir_path);
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if (!dir.exists())
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return true;
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// Remove Files created by the OS
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#if defined Q_WS_MAC
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2012-07-05 20:10:13 +04:00
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fsutils::forceRemove(dir_path + QLatin1String("/.DS_Store"));
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2012-07-05 19:46:25 +04:00
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#elif defined Q_WS_WIN
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2012-07-05 20:10:13 +04:00
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fsutils::forceRemove(dir_path + QLatin1String("/Thumbs.db"));
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2012-07-05 19:46:25 +04:00
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#endif
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QFileInfoList sub_files = dir.entryInfoList();
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foreach (const QFileInfo& info, sub_files) {
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QString sub_name = info.fileName();
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if (sub_name == "." || sub_name == "..")
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continue;
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QString sub_path = info.absoluteFilePath();
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qDebug() << Q_FUNC_INFO << "sub file: " << sub_path;
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if (info.isDir()) {
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if (!smartRemoveEmptyFolderTree(sub_path)) {
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qWarning() << Q_FUNC_INFO << "Failed to remove folder: " << sub_path;
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return false;
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}
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} else {
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if (info.isHidden()) {
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qDebug() << Q_FUNC_INFO << "Removing hidden file: " << sub_path;
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2012-07-05 20:10:13 +04:00
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if (!fsutils::forceRemove(sub_path)) {
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2012-07-05 19:46:25 +04:00
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qWarning() << Q_FUNC_INFO << "Failed to remove " << sub_path;
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return false;
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}
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} else {
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qWarning() << Q_FUNC_INFO << "Folder is not empty, aborting. Found: " << sub_path;
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}
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}
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}
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qDebug() << Q_FUNC_INFO << "Calling rmdir on " << dir_path;
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return QDir().rmdir(dir_path);
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}
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2012-07-05 20:10:13 +04:00
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/**
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* Removes the file with the given file_path.
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*
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* This function will try to fix the file permissions before removing it.
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*/
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bool fsutils::forceRemove(const QString& file_path)
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{
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QFile f(file_path);
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if (!f.exists())
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return true;
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// Make sure we have read/write permissions
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f.setPermissions(f.permissions()|QFile::ReadOwner|QFile::WriteOwner|QFile::ReadUser|QFile::WriteUser);
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// Remove the file
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return f.remove();
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}
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2012-05-16 22:19:05 +04:00
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/**
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* Returns the size of a file.
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* If the file is a folder, it will compute its size based on its content.
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*
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* Returns -1 in case of error.
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*/
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qint64 fsutils::computePathSize(const QString& path)
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{
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// Check if it is a file
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QFileInfo fi(path);
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if (!fi.exists()) return -1;
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if (fi.isFile()) return fi.size();
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// Compute folder size based on its content
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qint64 size = 0;
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foreach (const QFileInfo &subfi, QDir(path).entryInfoList(QDir::Dirs|QDir::Files)) {
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if (subfi.fileName().startsWith(".")) continue;
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if (subfi.isDir())
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size += fsutils::computePathSize(subfi.absoluteFilePath());
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else
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size += subfi.size();
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}
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return size;
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}
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/**
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* Makes deep comparison of two files to make sure they are identical.
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*/
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bool fsutils::sameFiles(const QString& path1, const QString& path2)
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{
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QFile f1(path1), f2(path2);
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if (!f1.exists() || !f2.exists()) return false;
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if (f1.size() != f2.size()) return false;
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if (!f1.open(QIODevice::ReadOnly)) return false;
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if (!f2.open(QIODevice::ReadOnly)) {
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f1.close();
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return false;
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}
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bool same = true;
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while(!f1.atEnd() && !f2.atEnd()) {
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if (f1.read(1024) != f2.read(1024)) {
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same = false;
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break;
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}
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}
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f1.close(); f2.close();
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return same;
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}
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2013-11-05 22:33:04 +04:00
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QString fsutils::updateLabelInSavePath(const QString& defaultSavePath, const QString& save_path, const QString& old_label, const QString& new_label) {
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if (old_label == new_label) return fsutils::fromNativePath(save_path);
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QString defaultPath = fsutils::fromNativePath(defaultSavePath);
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QString path = fsutils::fromNativePath(save_path);
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qDebug("UpdateLabelInSavePath(%s, %s, %s)", qPrintable(path), qPrintable(old_label), qPrintable(new_label));
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if (!path.startsWith(defaultPath)) return path;
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QString new_save_path = path;
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new_save_path.remove(defaultPath);
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2012-05-16 22:19:05 +04:00
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QStringList path_parts = new_save_path.split("/", QString::SkipEmptyParts);
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if (path_parts.empty()) {
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if (!new_label.isEmpty())
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path_parts << new_label;
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} else {
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if (old_label.isEmpty() || path_parts.first() != old_label) {
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if (path_parts.first() != new_label)
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path_parts.prepend(new_label);
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} else {
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if (new_label.isEmpty()) {
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path_parts.removeAt(0);
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} else {
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if (path_parts.first() != new_label)
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path_parts.replace(0, new_label);
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}
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}
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}
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2013-11-05 22:33:04 +04:00
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new_save_path = defaultPath;
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if (!new_save_path.endsWith("/")) new_save_path += "/";
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new_save_path += path_parts.join("/");
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2012-05-16 22:19:05 +04:00
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qDebug("New save path is %s", qPrintable(new_save_path));
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return new_save_path;
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}
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QString fsutils::toValidFileSystemName(QString filename) {
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qDebug("toValidFSName: %s", qPrintable(filename));
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const QRegExp regex("[\\\\/:?\"*<>|]");
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filename.replace(regex, " ");
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qDebug("toValidFSName, result: %s", qPrintable(filename));
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return filename.trimmed();
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}
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bool fsutils::isValidFileSystemName(const QString& filename) {
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if (filename.isEmpty()) return false;
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const QRegExp regex("[\\\\/:?\"*<>|]");
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return !filename.contains(regex);
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}
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long long fsutils::freeDiskSpaceOnPath(QString path) {
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if (path.isEmpty()) return -1;
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QDir dir_path(path);
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if (!dir_path.exists()) {
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QStringList parts = path.split("/");
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while (parts.size() > 1 && !QDir(parts.join("/")).exists()) {
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parts.removeLast();
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}
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dir_path = QDir(parts.join("/"));
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if (!dir_path.exists()) return -1;
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}
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Q_ASSERT(dir_path.exists());
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#ifndef Q_WS_WIN
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unsigned long long available;
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struct statfs stats;
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const QString statfs_path = dir_path.path()+"/.";
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const int ret = statfs (qPrintable(statfs_path), &stats) ;
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if (ret == 0) {
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available = ((unsigned long long)stats.f_bavail) *
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((unsigned long long)stats.f_bsize) ;
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return available;
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} else {
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return -1;
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}
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#else
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typedef BOOL (WINAPI *GetDiskFreeSpaceEx_t)(LPCTSTR,
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PULARGE_INTEGER,
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PULARGE_INTEGER,
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PULARGE_INTEGER);
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GetDiskFreeSpaceEx_t
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pGetDiskFreeSpaceEx = (GetDiskFreeSpaceEx_t)::GetProcAddress
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(
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::GetModuleHandle(TEXT("kernel32.dll")),
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"GetDiskFreeSpaceExW"
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);
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if ( pGetDiskFreeSpaceEx )
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{
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ULARGE_INTEGER bytesFree, bytesTotal;
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unsigned long long *ret;
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2013-11-05 22:33:04 +04:00
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if (pGetDiskFreeSpaceEx((LPCTSTR)(fsutils::toNativePath(dir_path.path())).utf16(), &bytesFree, &bytesTotal, NULL)) {
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2012-05-16 22:19:05 +04:00
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ret = (unsigned long long*)&bytesFree;
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return *ret;
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} else {
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return -1;
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}
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} else {
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return -1;
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}
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#endif
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}
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QString fsutils::branchPath(const QString& file_path, QString* removed)
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{
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2013-11-05 22:33:04 +04:00
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QString ret = fsutils::fromNativePath(file_path);
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if (ret.endsWith("/"))
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2012-05-16 22:19:05 +04:00
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ret.chop(1);
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2013-11-05 22:33:04 +04:00
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const int slashIndex = ret.lastIndexOf("/");
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2012-05-16 22:19:05 +04:00
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if (slashIndex >= 0) {
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if (removed)
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*removed = ret.mid(slashIndex + 1);
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ret = ret.left(slashIndex);
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}
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return ret;
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}
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bool fsutils::sameFileNames(const QString &first, const QString &second)
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{
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#if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS)
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|
return QString::compare(first, second, Qt::CaseSensitive) == 0;
|
|
|
|
#else
|
|
|
|
return QString::compare(first, second, Qt::CaseInsensitive) == 0;
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
2013-11-05 22:33:04 +04:00
|
|
|
QString fsutils::expandPath(const QString &path) {
|
|
|
|
QString ret = fsutils::fromNativePath(path.trimmed());
|
|
|
|
if (ret.isEmpty())
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
return QDir::cleanPath(ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
QString fsutils::expandPathAbs(const QString& path) {
|
|
|
|
QString ret = fsutils::expandPath(path);
|
|
|
|
|
|
|
|
if (!QDir::isAbsolutePath(ret))
|
|
|
|
ret = QDir(ret).absolutePath();
|
|
|
|
|
|
|
|
return ret;
|
2012-05-16 22:19:05 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
QString fsutils::QDesktopServicesDataLocation() {
|
|
|
|
#ifdef Q_WS_WIN
|
|
|
|
LPWSTR path=new WCHAR[256];
|
|
|
|
QString result;
|
|
|
|
if (SHGetSpecialFolderPath(0, path, CSIDL_LOCAL_APPDATA, FALSE))
|
2013-11-05 22:33:04 +04:00
|
|
|
result = fsutils::fromNativePath(QString::fromWCharArray(path));
|
2012-05-16 22:19:05 +04:00
|
|
|
if (!QCoreApplication::applicationName().isEmpty())
|
2013-11-05 22:33:04 +04:00
|
|
|
result += QLatin1String("/") + qApp->applicationName();
|
|
|
|
if (!result.endsWith("/"))
|
|
|
|
result += "/";
|
2012-05-16 22:19:05 +04:00
|
|
|
return result;
|
|
|
|
#else
|
|
|
|
#ifdef Q_WS_MAC
|
|
|
|
FSRef ref;
|
|
|
|
OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType, false, &ref);
|
|
|
|
if (err)
|
|
|
|
return QString();
|
|
|
|
QString path;
|
|
|
|
QByteArray ba(2048, 0);
|
|
|
|
if (FSRefMakePath(&ref, reinterpret_cast<UInt8 *>(ba.data()), ba.size()) == noErr)
|
|
|
|
path = QString::fromUtf8(ba).normalized(QString::NormalizationForm_C);
|
|
|
|
path += QLatin1Char('/') + qApp->applicationName();
|
|
|
|
return path;
|
|
|
|
#else
|
|
|
|
QString xdgDataHome = QLatin1String(qgetenv("XDG_DATA_HOME"));
|
|
|
|
if (xdgDataHome.isEmpty())
|
|
|
|
xdgDataHome = QDir::homePath() + QLatin1String("/.local/share");
|
|
|
|
xdgDataHome += QLatin1String("/data/")
|
|
|
|
+ qApp->applicationName();
|
|
|
|
return xdgDataHome;
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
QString fsutils::QDesktopServicesCacheLocation() {
|
2012-09-06 16:40:03 +04:00
|
|
|
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
|
2013-11-05 22:33:04 +04:00
|
|
|
return QDesktopServicesDataLocation() + QLatin1String("cache");
|
2012-05-16 22:19:05 +04:00
|
|
|
#else
|
|
|
|
#ifdef Q_WS_MAC
|
|
|
|
// http://developer.apple.com/documentation/Carbon/Reference/Folder_Manager/Reference/reference.html
|
|
|
|
FSRef ref;
|
|
|
|
OSErr err = FSFindFolder(kUserDomain, kCachedDataFolderType, false, &ref);
|
|
|
|
if (err)
|
|
|
|
return QString();
|
|
|
|
QString path;
|
|
|
|
QByteArray ba(2048, 0);
|
|
|
|
if (FSRefMakePath(&ref, reinterpret_cast<UInt8 *>(ba.data()), ba.size()) == noErr)
|
|
|
|
path = QString::fromUtf8(ba).normalized(QString::NormalizationForm_C);
|
|
|
|
path += QLatin1Char('/') + qApp->applicationName();
|
|
|
|
return path;
|
|
|
|
#else
|
|
|
|
QString xdgCacheHome = QLatin1String(qgetenv("XDG_CACHE_HOME"));
|
|
|
|
if (xdgCacheHome.isEmpty())
|
|
|
|
xdgCacheHome = QDir::homePath() + QLatin1String("/.cache");
|
|
|
|
xdgCacheHome += QLatin1Char('/') + QCoreApplication::applicationName();
|
|
|
|
return xdgCacheHome;
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
QString fsutils::QDesktopServicesDownloadLocation() {
|
|
|
|
#if defined(Q_WS_WIN) || defined(Q_OS_OS2)
|
|
|
|
// as long as it stays WinXP like we do the same on OS/2
|
|
|
|
// TODO: Use IKnownFolderManager to get path of FOLDERID_Downloads
|
|
|
|
// instead of hardcoding "Downloads"
|
|
|
|
// Unfortunately, this would break compatibility with WinXP
|
|
|
|
return QDir(QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation)).absoluteFilePath(tr("Downloads"));
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef Q_WS_X11
|
|
|
|
QString save_path;
|
|
|
|
// Default save path on Linux
|
|
|
|
QString config_path = QString::fromLocal8Bit(qgetenv("XDG_CONFIG_HOME").constData());
|
|
|
|
if (config_path.isEmpty())
|
|
|
|
config_path = QDir::home().absoluteFilePath(".config");
|
|
|
|
|
|
|
|
QString user_dirs_file = config_path + "/user-dirs.dirs";
|
|
|
|
if (QFile::exists(user_dirs_file)) {
|
|
|
|
QSettings settings(user_dirs_file, QSettings::IniFormat);
|
2012-08-25 17:53:02 +04:00
|
|
|
// We need to force UTF-8 encoding here since this is not
|
|
|
|
// the default for Ini files.
|
|
|
|
settings.setIniCodec("UTF-8");
|
2012-05-16 22:19:05 +04:00
|
|
|
QString xdg_download_dir = settings.value("XDG_DOWNLOAD_DIR").toString();
|
|
|
|
if (!xdg_download_dir.isEmpty()) {
|
|
|
|
// Resolve $HOME environment variables
|
|
|
|
xdg_download_dir.replace("$HOME", QDir::homePath());
|
|
|
|
save_path = xdg_download_dir;
|
|
|
|
qDebug() << Q_FUNC_INFO << "SUCCESS: Using XDG path for downloads: " << save_path;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// Fallback
|
|
|
|
if (!save_path.isEmpty() && !QFile::exists(save_path)) {
|
|
|
|
QDir().mkpath(save_path);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (save_path.isEmpty() || !QFile::exists(save_path)) {
|
|
|
|
save_path = QDir::home().absoluteFilePath(tr("Downloads"));
|
|
|
|
qDebug() << Q_FUNC_INFO << "using" << save_path << "as fallback since the XDG detection did not work";
|
|
|
|
}
|
|
|
|
|
|
|
|
return save_path;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef Q_WS_MAC
|
|
|
|
// TODO: How to support this on Mac OS X?
|
|
|
|
#endif
|
|
|
|
|
|
|
|
// Fallback
|
|
|
|
return QDir::home().absoluteFilePath(tr("Downloads"));
|
|
|
|
}
|
|
|
|
|
|
|
|
QString fsutils::searchEngineLocation() {
|
|
|
|
QString folder = "nova";
|
|
|
|
if (misc::pythonVersion() >= 3)
|
|
|
|
folder = "nova3";
|
2013-11-05 22:33:04 +04:00
|
|
|
const QString location = fsutils::expandPathAbs(QDesktopServicesDataLocation()
|
|
|
|
+ folder);
|
2012-05-16 22:19:05 +04:00
|
|
|
QDir locationDir(location);
|
|
|
|
if (!locationDir.exists())
|
|
|
|
locationDir.mkpath(locationDir.absolutePath());
|
|
|
|
return location;
|
|
|
|
}
|
|
|
|
|
|
|
|
QString fsutils::BTBackupLocation() {
|
2013-11-05 22:33:04 +04:00
|
|
|
const QString location = fsutils::expandPathAbs(QDesktopServicesDataLocation()
|
|
|
|
+ "BT_backup");
|
2012-05-16 22:19:05 +04:00
|
|
|
QDir locationDir(location);
|
|
|
|
if (!locationDir.exists())
|
|
|
|
locationDir.mkpath(locationDir.absolutePath());
|
|
|
|
return location;
|
|
|
|
}
|
|
|
|
|
|
|
|
QString fsutils::cacheLocation() {
|
2013-11-05 22:33:04 +04:00
|
|
|
QString location = fsutils::expandPathAbs(QDesktopServicesCacheLocation());
|
2012-05-16 22:19:05 +04:00
|
|
|
QDir locationDir(location);
|
|
|
|
if (!locationDir.exists())
|
|
|
|
locationDir.mkpath(locationDir.absolutePath());
|
|
|
|
return location;
|
|
|
|
}
|