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Merge pull request #8558 from luis-pereira/containter-anti-pattern

Don't create temporary containers just to iterate over them
adaptive-webui-19844
Vladimir Golovnev 7 years ago committed by GitHub
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  1. 5
      src/app/upgrade.h
  2. 1
      src/base/CMakeLists.txt
  3. 41
      src/base/algorithm.h
  4. 1
      src/base/base.pri
  5. 30
      src/base/bittorrent/session.cpp
  6. 27
      src/base/filesystemwatcher.cpp
  7. 6
      src/base/net/portforwarder.cpp
  8. 4
      src/base/search/searchpluginmanager.cpp
  9. 3
      src/gui/categoryfiltermodel.cpp
  10. 4
      src/gui/categoryfilterwidget.cpp
  11. 4
      src/gui/search/pluginselectdlg.cpp
  12. 3
      src/gui/transferlistfilterswidget.cpp
  13. 8
      src/webui/api/appcontroller.cpp
  14. 44
      src/webui/api/synccontroller.cpp

5
src/app/upgrade.h

@ -186,9 +186,10 @@ bool upgrade(bool ask = true) @@ -186,9 +186,10 @@ bool upgrade(bool ask = true)
}
}
foreach (const QString &hash, oldResumeData.keys()) {
QVariantHash oldTorrent = oldResumeData[hash].toHash();
for (auto i = oldResumeData.cbegin(); i != oldResumeData.cend(); ++i) {
const QVariantHash oldTorrent = i.value().toHash();
if (oldTorrent.value("is_magnet", false).toBool()) {
const QString &hash = i.key();
libtorrent::entry resumeData;
resumeData["qBt-magnetUri"] = oldTorrent.value("magnet_uri").toString().toStdString();
resumeData["qBt-paused"] = false;

1
src/base/CMakeLists.txt

@ -55,6 +55,7 @@ utils/net.h @@ -55,6 +55,7 @@ utils/net.h
utils/random.h
utils/string.h
utils/version.h
algorithm.h
asyncfilestorage.h
exceptions.h
filesystemwatcher.h

41
src/base/algorithm.h

@ -0,0 +1,41 @@ @@ -0,0 +1,41 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2018 Vladimir Golovnev <glassez@yandex.ru>
*
* 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.
*/
#pragma once
namespace Dict
{
// To be used with QMap, QHash and it's variants
template <typename Dictionary, typename BinaryPredicate>
void removeIf(Dictionary &&dict, BinaryPredicate p)
{
auto it = dict.begin();
while (it != dict.end())
it = (p(it.key(), it.value()) ? dict.erase(it) : it + 1);
}
}

1
src/base/base.pri

@ -1,4 +1,5 @@ @@ -1,4 +1,5 @@
HEADERS += \
$$PWD/algorithm.h \
$$PWD/asyncfilestorage.h \
$$PWD/bittorrent/addtorrentparams.h \
$$PWD/bittorrent/cachestatus.h \

30
src/base/bittorrent/session.cpp

@ -71,6 +71,7 @@ @@ -71,6 +71,7 @@
#include <libtorrent/session_status.hpp>
#include <libtorrent/torrent_info.hpp>
#include "base/algorithm.h"
#include "base/logger.h"
#include "base/net/downloadhandler.h"
#include "base/net/downloadmanager.h"
@ -126,16 +127,16 @@ namespace @@ -126,16 +127,16 @@ namespace
QStringMap map_cast(const QVariantMap &map)
{
QStringMap result;
foreach (const QString &key, map.keys())
result[key] = map.value(key).toString();
for (auto i = map.cbegin(); i != map.cend(); ++i)
result[i.key()] = i.value().toString();
return result;
}
QVariantMap map_cast(const QStringMap &map)
{
QVariantMap result;
foreach (const QString &key, map.keys())
result[key] = map.value(key);
for (auto i = map.cbegin(); i != map.cend(); ++i)
result[i.key()] = i.value();
return result;
}
@ -197,7 +198,8 @@ namespace @@ -197,7 +198,8 @@ namespace
{
QStringMap expanded = categories;
foreach (const QString &category, categories.keys()) {
for (auto i = categories.cbegin(); i != categories.cend(); ++i) {
const QString &category = i.key();
foreach (const QString &subcat, Session::expandCategory(category)) {
if (!expanded.contains(subcat))
expanded[subcat] = "";
@ -783,14 +785,16 @@ bool Session::removeCategory(const QString &name) @@ -783,14 +785,16 @@ bool Session::removeCategory(const QString &name)
bool result = false;
if (isSubcategoriesEnabled()) {
// remove subcategories
QString test = name + "/";
foreach (const QString &category, m_categories.keys()) {
const QString test = name + "/";
Dict::removeIf(m_categories, [this, &test, &result](const QString &category, const QString &)
{
if (category.startsWith(test)) {
m_categories.remove(category);
result = true;
emit categoryRemoved(category);
return true;
}
}
return false;
});
}
result = (m_categories.remove(name) > 0) || result;
@ -2001,8 +2005,8 @@ void Session::decreaseTorrentsPriority(const QStringList &hashes) @@ -2001,8 +2005,8 @@ void Session::decreaseTorrentsPriority(const QStringList &hashes)
torrentQueue.pop();
}
foreach (const InfoHash &hash, m_loadedMetadata.keys())
torrentQueuePositionBottom(m_nativeSession->find_torrent(hash));
for (auto i = m_loadedMetadata.cbegin(); i != m_loadedMetadata.cend(); ++i)
torrentQueuePositionBottom(m_nativeSession->find_torrent(i.key()));
}
void Session::topTorrentsPriority(const QStringList &hashes)
@ -2046,8 +2050,8 @@ void Session::bottomTorrentsPriority(const QStringList &hashes) @@ -2046,8 +2050,8 @@ void Session::bottomTorrentsPriority(const QStringList &hashes)
torrentQueue.pop();
}
foreach (const InfoHash &hash, m_loadedMetadata.keys())
torrentQueuePositionBottom(m_nativeSession->find_torrent(hash));
for (auto i = m_loadedMetadata.cbegin(); i != m_loadedMetadata.cend(); ++i)
torrentQueuePositionBottom(m_nativeSession->find_torrent(i.key()));
}
QHash<InfoHash, TorrentHandle *> Session::torrents() const

27
src/base/filesystemwatcher.cpp

@ -12,6 +12,7 @@ @@ -12,6 +12,7 @@
#endif
#endif
#include "algorithm.h"
#include "base/bittorrent/magneturi.h"
#include "base/bittorrent/torrentinfo.h"
#include "base/preferences.h"
@ -145,22 +146,24 @@ void FileSystemWatcher::processPartialTorrents() @@ -145,22 +146,24 @@ void FileSystemWatcher::processPartialTorrents()
QStringList noLongerPartial;
// Check which torrents are still partial
foreach (const QString &torrentPath, m_partialTorrents.keys()) {
if (!QFile::exists(torrentPath)) {
m_partialTorrents.remove(torrentPath);
}
else if (BitTorrent::TorrentInfo::loadFromFile(torrentPath).isValid()) {
Dict::removeIf(m_partialTorrents, [&noLongerPartial](const QString &torrentPath, int &value)
{
if (!QFile::exists(torrentPath))
return true;
if (BitTorrent::TorrentInfo::loadFromFile(torrentPath).isValid()) {
noLongerPartial << torrentPath;
m_partialTorrents.remove(torrentPath);
return true;
}
else if (m_partialTorrents[torrentPath] >= MAX_PARTIAL_RETRIES) {
m_partialTorrents.remove(torrentPath);
if (value >= MAX_PARTIAL_RETRIES) {
QFile::rename(torrentPath, torrentPath + ".invalid");
return true;
}
else {
++m_partialTorrents[torrentPath];
}
}
++value;
return false;
});
// Stop the partial timer if necessary
if (m_partialTorrents.empty()) {

6
src/base/net/portforwarder.cpp

@ -121,8 +121,10 @@ void PortForwarder::start() @@ -121,8 +121,10 @@ void PortForwarder::start()
settingsPack.set_bool(libt::settings_pack::enable_natpmp, true);
m_provider->apply_settings(settingsPack);
#endif
foreach (quint16 port, m_mappedPorts.keys())
m_mappedPorts[port] = m_provider->add_port_mapping(libt::session::tcp, port, port);
for (auto i = m_mappedPorts.begin(); i != m_mappedPorts.end(); ++i) {
// quint16 port = i.key();
i.value() = m_provider->add_port_mapping(libt::session::tcp, i.key(), i.key());
}
m_active = true;
Logger::instance()->addMessage(tr("UPnP / NAT-PMP support [ON]"), Log::INFO);
}

4
src/base/search/searchpluginmanager.cpp

@ -100,7 +100,7 @@ QStringList SearchPluginManager::allPlugins() const @@ -100,7 +100,7 @@ QStringList SearchPluginManager::allPlugins() const
QStringList SearchPluginManager::enabledPlugins() const
{
QStringList plugins;
foreach (const PluginInfo *plugin, m_plugins.values()) {
for (const PluginInfo *plugin : qAsConst(m_plugins)) {
if (plugin->enabled)
plugins << plugin->name;
}
@ -111,7 +111,7 @@ QStringList SearchPluginManager::enabledPlugins() const @@ -111,7 +111,7 @@ QStringList SearchPluginManager::enabledPlugins() const
QStringList SearchPluginManager::supportedCategories() const
{
QStringList result;
foreach (const PluginInfo *plugin, m_plugins.values()) {
for (const PluginInfo *plugin : qAsConst(m_plugins)) {
if (plugin->enabled) {
foreach (QString cat, plugin->supportedCategories) {
if (!result.contains(cat))

3
src/gui/categoryfiltermodel.cpp

@ -405,7 +405,8 @@ void CategoryFilterModel::populate() @@ -405,7 +405,8 @@ void CategoryFilterModel::populate()
, [](Torrent *torrent) { return torrent->category().isEmpty(); })));
using Torrent = BitTorrent::TorrentHandle;
foreach (const QString &category, session->categories().keys()) {
for (auto i = session->categories().cbegin(); i != session->categories().cend(); ++i) {
const QString &category = i.key();
if (m_isSubcategoriesEnabled) {
CategoryModelItem *parent = m_rootItem;
foreach (const QString &subcat, session->expandCategory(category)) {

4
src/gui/categoryfilterwidget.cpp

@ -232,8 +232,10 @@ void CategoryFilterWidget::removeCategory() @@ -232,8 +232,10 @@ void CategoryFilterWidget::removeCategory()
void CategoryFilterWidget::removeUnusedCategories()
{
auto session = BitTorrent::Session::instance();
foreach (const QString &category, session->categories().keys())
for (auto i = session->categories().cbegin(); i != session->categories().cend(); ++i) {
const QString &category = i.key();
if (model()->data(static_cast<CategoryFilterProxyModel *>(model())->index(category), Qt::UserRole) == 0)
session->removeCategory(category);
}
updateGeometry();
}

4
src/gui/search/pluginselectdlg.cpp

@ -424,10 +424,10 @@ void PluginSelectDlg::checkForUpdatesFinished(const QHash<QString, PluginVersion @@ -424,10 +424,10 @@ void PluginSelectDlg::checkForUpdatesFinished(const QHash<QString, PluginVersion
return;
}
foreach (const QString &pluginName, updateInfo.keys()) {
for (auto i = updateInfo.cbegin(); i != updateInfo.cend(); ++i) {
startAsyncOp();
m_pendingUpdates++;
m_pluginManager->updatePlugin(pluginName);
m_pluginManager->updatePlugin(i.key());
}
}

3
src/gui/transferlistfilterswidget.cpp

@ -333,7 +333,8 @@ void TrackerFiltersList::setDownloadTrackerFavicon(bool value) @@ -333,7 +333,8 @@ void TrackerFiltersList::setDownloadTrackerFavicon(bool value)
m_downloadTrackerFavicon = value;
if (m_downloadTrackerFavicon) {
foreach (const QString &tracker, m_trackers.keys()) {
for (auto i = m_trackers.cbegin(); i != m_trackers.cend(); ++i) {
const QString &tracker = i.key();
if (!tracker.isEmpty())
downloadFavicon(QString("http://%1/favicon.ico").arg(tracker));
}

8
src/webui/api/appcontroller.cpp

@ -91,7 +91,7 @@ void AppController::preferencesAction() @@ -91,7 +91,7 @@ void AppController::preferencesAction()
data["incomplete_files_ext"] = session->isAppendExtensionEnabled();
const QVariantHash dirs = pref->getScanDirs();
QVariantMap nativeDirs;
for (QVariantHash::const_iterator i = dirs.begin(), e = dirs.end(); i != e; ++i) {
for (QVariantHash::const_iterator i = dirs.cbegin(), e = dirs.cend(); i != e; ++i) {
if (i.value().type() == QVariant::Int)
nativeDirs.insert(Utils::Fs::toNativePath(i.key()), i.value().toInt());
else
@ -246,7 +246,7 @@ void AppController::setPreferencesAction() @@ -246,7 +246,7 @@ void AppController::setPreferencesAction()
QVariantHash oldScanDirs = pref->getScanDirs();
QVariantHash scanDirs;
ScanFoldersModel *model = ScanFoldersModel::instance();
for (QVariantMap::const_iterator i = nativeDirs.begin(), e = nativeDirs.end(); i != e; ++i) {
for (QVariantMap::const_iterator i = nativeDirs.cbegin(), e = nativeDirs.cend(); i != e; ++i) {
QString folder = Utils::Fs::fromNativePath(i.key());
int downloadType;
QString downloadPath;
@ -275,8 +275,8 @@ void AppController::setPreferencesAction() @@ -275,8 +275,8 @@ void AppController::setPreferencesAction()
}
// Update deleted folders
foreach (QVariant folderVariant, oldScanDirs.keys()) {
QString folder = folderVariant.toString();
for (auto i = oldScanDirs.cbegin(); i != oldScanDirs.cend(); ++i) {
QString folder = i.key();
if (!scanDirs.contains(folder)) {
model->removePath(folder);
qDebug("Removed watched folder %s", qUtf8Printable(folder));

44
src/webui/api/synccontroller.cpp

@ -152,20 +152,22 @@ namespace @@ -152,20 +152,22 @@ namespace
syncData.clear();
QVariantList removedItems;
foreach (QString key, data.keys()) {
for (auto i = data.cbegin(); i != data.cend(); ++i) {
const QString &key = i.key();
const QVariant &value = i.value();
removedItems.clear();
switch (static_cast<QMetaType::Type>(data[key].type())) {
switch (static_cast<QMetaType::Type>(value.type())) {
case QMetaType::QVariantMap: {
QVariantMap map;
processMap(prevData[key].toMap(), data[key].toMap(), map);
processMap(prevData[key].toMap(), value.toMap(), map);
if (!map.isEmpty())
syncData[key] = map;
}
break;
case QMetaType::QVariantHash: {
QVariantMap map;
processHash(prevData[key].toHash(), data[key].toHash(), map, removedItems);
processHash(prevData[key].toHash(), value.toHash(), map, removedItems);
if (!map.isEmpty())
syncData[key] = map;
if (!removedItems.isEmpty())
@ -174,7 +176,7 @@ namespace @@ -174,7 +176,7 @@ namespace
break;
case QMetaType::QVariantList: {
QVariantList list;
processList(prevData[key].toList(), data[key].toList(), list, removedItems);
processList(prevData[key].toList(), value.toList(), list, removedItems);
if (!list.isEmpty())
syncData[key] = list;
if (!removedItems.isEmpty())
@ -190,13 +192,13 @@ namespace @@ -190,13 +192,13 @@ namespace
case QMetaType::ULongLong:
case QMetaType::UInt:
case QMetaType::QDateTime:
if (prevData[key] != data[key])
syncData[key] = data[key];
if (prevData[key] != value)
syncData[key] = value;
break;
default:
Q_ASSERT_X(false, "processMap"
, QString("Unexpected type: %1")
.arg(QMetaType::typeName(static_cast<QMetaType::Type>(data[key].type())))
.arg(QMetaType::typeName(static_cast<QMetaType::Type>(value.type())))
.toUtf8().constData());
}
}
@ -213,25 +215,25 @@ namespace @@ -213,25 +215,25 @@ namespace
if (prevData.isEmpty()) {
// If list was empty before, then difference is a whole new list.
foreach (QString key, data.keys())
syncData[key] = data[key];
for (auto i = data.cbegin(); i != data.cend(); ++i)
syncData[i.key()] = i.value();
}
else {
foreach (QString key, data.keys()) {
switch (data[key].type()) {
for (auto i = data.cbegin(); i != data.cend(); ++i) {
switch (i.value().type()) {
case QVariant::Map:
if (!prevData.contains(key)) {
if (!prevData.contains(i.key())) {
// new list item found - append it to syncData
syncData[key] = data[key];
syncData[i.key()] = i.value();
}
else {
QVariantMap map;
processMap(prevData[key].toMap(), data[key].toMap(), map);
processMap(prevData[i.key()].toMap(), i.value().toMap(), map);
// existing list item found - remove it from prevData
prevData.remove(key);
prevData.remove(i.key());
if (!map.isEmpty())
// changed list item found - append its changes to syncData
syncData[key] = map;
syncData[i.key()] = map;
}
break;
default:
@ -242,8 +244,8 @@ namespace @@ -242,8 +244,8 @@ namespace
if (!prevData.isEmpty()) {
// prevData contains only items that are missing now -
// put them in removedItems
foreach (QString s, prevData.keys())
removedItems << s;
for (auto i = prevData.cbegin(); i != prevData.cend(); ++i)
removedItems << i.key();
}
}
}
@ -395,8 +397,8 @@ void SyncController::maindataAction() @@ -395,8 +397,8 @@ void SyncController::maindataAction()
data["torrents"] = torrents;
QVariantList categories;
foreach (const QString &category, session->categories().keys())
categories << category;
for (auto i = session->categories().cbegin(); i != session->categories().cend(); ++i)
categories << i.key();
data["categories"] = categories;

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