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qBittorrent/src/base/utils/misc.cpp
Chocobo1 f87ea1b5d3 Sort languages combobox by language code 
* Avoid creating redundant file lists
* Sort languages combobox by language code

PR #20365.
2024-02-05 13:44:18 +08:00

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/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2006 Christophe Dumez <chris@qbittorrent.org>
*
* 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.
*/
#include "misc.h"
#include <optional>
#include <boost/version.hpp>
#include <libtorrent/version.hpp>
#include <openssl/crypto.h>
#include <openssl/opensslv.h>
#include <zlib.h>
#include <QtAssert>
#include <QCoreApplication>
#include <QDebug>
#include <QLocale>
#include <QMimeDatabase>
#include <QRegularExpression>
#include <QSet>
#include <QString>
#include <QStringView>
#include <QSysInfo>
#include "base/path.h"
#include "base/unicodestrings.h"
#include "base/utils/string.h"
namespace
{
const struct { const char *source; const char *comment; } units[] =
{
QT_TRANSLATE_NOOP3("misc", "B", "bytes"),
QT_TRANSLATE_NOOP3("misc", "KiB", "kibibytes (1024 bytes)"),
QT_TRANSLATE_NOOP3("misc", "MiB", "mebibytes (1024 kibibytes)"),
QT_TRANSLATE_NOOP3("misc", "GiB", "gibibytes (1024 mibibytes)"),
QT_TRANSLATE_NOOP3("misc", "TiB", "tebibytes (1024 gibibytes)"),
QT_TRANSLATE_NOOP3("misc", "PiB", "pebibytes (1024 tebibytes)"),
QT_TRANSLATE_NOOP3("misc", "EiB", "exbibytes (1024 pebibytes)")
};
// 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
// to send numbers instead of strings with suffixes
struct SplitToFriendlyUnitResult
{
qreal value;
Utils::Misc::SizeUnit unit;
};
std::optional<SplitToFriendlyUnitResult> splitToFriendlyUnit(const qint64 bytes, const int unitThreshold = 1024)
{
if (bytes < 0)
return std::nullopt;
int i = 0;
auto value = static_cast<qreal>(bytes);
while ((value >= unitThreshold) && (i < static_cast<int>(Utils::Misc::SizeUnit::ExbiByte)))
{
value /= 1024;
++i;
}
return {{value, static_cast<Utils::Misc::SizeUnit>(i)}};
}
}
QString Utils::Misc::unitString(const SizeUnit unit, const bool isSpeed)
{
const auto &unitString = units[static_cast<int>(unit)];
QString ret = QCoreApplication::translate("misc", unitString.source, unitString.comment);
if (isSpeed)
ret += QCoreApplication::translate("misc", "/s", "per second");
return ret;
}
QString Utils::Misc::friendlyUnit(const qint64 bytes, const bool isSpeed, const int precision)
{
const std::optional<SplitToFriendlyUnitResult> result = splitToFriendlyUnit(bytes);
if (!result)
return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
const int digitPrecision = (precision >= 0) ? precision : friendlyUnitPrecision(result->unit);
return Utils::String::fromDouble(result->value, digitPrecision)
+ QChar::Nbsp + unitString(result->unit, isSpeed);
}
QString Utils::Misc::friendlyUnitCompact(const qint64 bytes)
{
// avoid 1000-1023 values, use next larger unit instead
const std::optional<SplitToFriendlyUnitResult> result = splitToFriendlyUnit(bytes, 1000);
if (!result)
return QCoreApplication::translate("misc", "Unknown", "Unknown (size)");
int precision = 0; // >= 100
if (result->value < 10)
precision = 2; // 0 - 9.99
if (result->value < 100)
precision = 1; // 10 - 99.9
return Utils::String::fromDouble(result->value, precision)
// use only one character for unit representation
+ QChar::Nbsp + unitString(result->unit, false)[0];
}
int Utils::Misc::friendlyUnitPrecision(const SizeUnit unit)
{
// friendlyUnit's number of digits after the decimal point
switch (unit)
{
case SizeUnit::Byte:
return 0;
case SizeUnit::KibiByte:
case SizeUnit::MebiByte:
return 1;
case SizeUnit::GibiByte:
return 2;
default:
return 3;
}
}
qlonglong Utils::Misc::sizeInBytes(qreal size, const Utils::Misc::SizeUnit unit)
{
for (int i = 0; i < static_cast<int>(unit); ++i)
size *= 1024;
return size;
}
bool Utils::Misc::isPreviewable(const Path &filePath)
{
const QString mime = QMimeDatabase().mimeTypeForFile(filePath.data(), QMimeDatabase::MatchExtension).name();
if (mime.startsWith(u"audio", Qt::CaseInsensitive)
|| mime.startsWith(u"video", Qt::CaseInsensitive))
{
return true;
}
const QSet<QString> multimediaExtensions =
{
u".3GP"_s,
u".AAC"_s,
u".AC3"_s,
u".AIF"_s,
u".AIFC"_s,
u".AIFF"_s,
u".ASF"_s,
u".AU"_s,
u".AVI"_s,
u".FLAC"_s,
u".FLV"_s,
u".M3U"_s,
u".M4A"_s,
u".M4P"_s,
u".M4V"_s,
u".MID"_s,
u".MKV"_s,
u".MOV"_s,
u".MP2"_s,
u".MP3"_s,
u".MP4"_s,
u".MPC"_s,
u".MPE"_s,
u".MPEG"_s,
u".MPG"_s,
u".MPP"_s,
u".OGG"_s,
u".OGM"_s,
u".OGV"_s,
u".QT"_s,
u".RA"_s,
u".RAM"_s,
u".RM"_s,
u".RMV"_s,
u".RMVB"_s,
u".SWA"_s,
u".SWF"_s,
u".TS"_s,
u".VOB"_s,
u".WAV"_s,
u".WMA"_s,
u".WMV"_s
};
return multimediaExtensions.contains(filePath.extension().toUpper());
}
QString Utils::Misc::userFriendlyDuration(const qlonglong seconds, const qlonglong maxCap, const TimeResolution resolution)
{
if (seconds < 0)
return C_INFINITY;
if ((maxCap >= 0) && (seconds >= maxCap))
return C_INFINITY;
if (seconds == 0)
return u"0"_s;
if (seconds < 60)
{
if (resolution == TimeResolution::Minutes)
return QCoreApplication::translate("misc", "< 1m", "< 1 minute");
return QCoreApplication::translate("misc", "%1s", "e.g: 10 seconds").arg(QString::number(seconds));
}
qlonglong minutes = (seconds / 60);
if (minutes < 60)
return QCoreApplication::translate("misc", "%1m", "e.g: 10 minutes").arg(QString::number(minutes));
qlonglong hours = (minutes / 60);
if (hours < 24)
{
minutes -= (hours * 60);
return QCoreApplication::translate("misc", "%1h %2m", "e.g: 3 hours 5 minutes").arg(QString::number(hours), QString::number(minutes));
}
qlonglong days = (hours / 24);
if (days < 365)
{
hours -= (days * 24);
return QCoreApplication::translate("misc", "%1d %2h", "e.g: 2 days 10 hours").arg(QString::number(days), QString::number(hours));
}
qlonglong years = (days / 365);
days -= (years * 365);
return QCoreApplication::translate("misc", "%1y %2d", "e.g: 2 years 10 days").arg(QString::number(years), QString::number(days));
}
QString Utils::Misc::languageToLocalizedString(const QStringView localeStr)
{
if (localeStr.startsWith(u"eo", Qt::CaseInsensitive))
{
// QLocale doesn't work with that locale. Esperanto isn't a "real" language.
return C_LOCALE_ESPERANTO;
}
if (localeStr.startsWith(u"ltg", Qt::CaseInsensitive))
{
// QLocale doesn't work with that locale.
return C_LOCALE_LATGALIAN;
}
const QLocale locale {localeStr};
switch (locale.language())
{
case QLocale::Arabic: return C_LOCALE_ARABIC;
case QLocale::Armenian: return C_LOCALE_ARMENIAN;
case QLocale::Azerbaijani: return C_LOCALE_AZERBAIJANI;
case QLocale::Basque: return C_LOCALE_BASQUE;
case QLocale::Bulgarian: return C_LOCALE_BULGARIAN;
case QLocale::Byelorussian: return C_LOCALE_BYELORUSSIAN;
case QLocale::Catalan: return C_LOCALE_CATALAN;
case QLocale::Chinese:
switch (locale.territory())
{
case QLocale::China: return C_LOCALE_CHINESE_SIMPLIFIED;
case QLocale::HongKong: return C_LOCALE_CHINESE_TRADITIONAL_HK;
default: return C_LOCALE_CHINESE_TRADITIONAL_TW;
}
case QLocale::Croatian: return C_LOCALE_CROATIAN;
case QLocale::Czech: return C_LOCALE_CZECH;
case QLocale::Danish: return C_LOCALE_DANISH;
case QLocale::Dutch: return C_LOCALE_DUTCH;
case QLocale::English:
switch (locale.territory())
{
case QLocale::Australia: return C_LOCALE_ENGLISH_AUSTRALIA;
case QLocale::UnitedKingdom: return C_LOCALE_ENGLISH_UNITEDKINGDOM;
default: return C_LOCALE_ENGLISH;
}
case QLocale::Estonian: return C_LOCALE_ESTONIAN;
case QLocale::Finnish: return C_LOCALE_FINNISH;
case QLocale::French: return C_LOCALE_FRENCH;
case QLocale::Galician: return C_LOCALE_GALICIAN;
case QLocale::Georgian: return C_LOCALE_GEORGIAN;
case QLocale::German: return C_LOCALE_GERMAN;
case QLocale::Greek: return C_LOCALE_GREEK;
case QLocale::Hebrew: return C_LOCALE_HEBREW;
case QLocale::Hindi: return C_LOCALE_HINDI;
case QLocale::Hungarian: return C_LOCALE_HUNGARIAN;
case QLocale::Icelandic: return C_LOCALE_ICELANDIC;
case QLocale::Indonesian: return C_LOCALE_INDONESIAN;
case QLocale::Italian: return C_LOCALE_ITALIAN;
case QLocale::Japanese: return C_LOCALE_JAPANESE;
case QLocale::Korean: return C_LOCALE_KOREAN;
case QLocale::Latvian: return C_LOCALE_LATVIAN;
case QLocale::Lithuanian: return C_LOCALE_LITHUANIAN;
case QLocale::Malay: return C_LOCALE_MALAY;
case QLocale::Mongolian: return C_LOCALE_MONGOLIAN;
case QLocale::NorwegianBokmal: return C_LOCALE_NORWEGIAN;
case QLocale::Occitan: return C_LOCALE_OCCITAN;
case QLocale::Persian: return C_LOCALE_PERSIAN;
case QLocale::Polish: return C_LOCALE_POLISH;
case QLocale::Portuguese:
if (locale.territory() == QLocale::Brazil)
return C_LOCALE_PORTUGUESE_BRAZIL;
return C_LOCALE_PORTUGUESE;
case QLocale::Romanian: return C_LOCALE_ROMANIAN;
case QLocale::Russian: return C_LOCALE_RUSSIAN;
case QLocale::Serbian: return C_LOCALE_SERBIAN;
case QLocale::Slovak: return C_LOCALE_SLOVAK;
case QLocale::Slovenian: return C_LOCALE_SLOVENIAN;
case QLocale::Spanish: return C_LOCALE_SPANISH;
case QLocale::Swedish: return C_LOCALE_SWEDISH;
case QLocale::Thai: return C_LOCALE_THAI;
case QLocale::Turkish: return C_LOCALE_TURKISH;
case QLocale::Ukrainian: return C_LOCALE_UKRAINIAN;
case QLocale::Uzbek: return C_LOCALE_UZBEK;
case QLocale::Vietnamese: return C_LOCALE_VIETNAMESE;
default:
const QString lang = QLocale::languageToString(locale.language());
qWarning() << "Unrecognized language name: " << lang;
return lang;
}
}
QString Utils::Misc::parseHtmlLinks(const QString &rawText)
{
QString result = rawText;
static const QRegularExpression reURL(
u"(\\s|^)" // start with whitespace or beginning of line
u"("
u"(" // case 1 -- URL with scheme
u"(http(s?))\\://" // start with scheme
u"([a-zA-Z0-9_-]+\\.)+" // domainpart. at least one of these must exist
u"([a-zA-Z0-9\\?%=&/_\\.:#;-]+)" // everything to 1st non-URI char, must be at least one char after the previous dot (cannot use ".*" because it can be too greedy)
u")"
u"|"
u"(" // case 2a -- no scheme, contains common TLD example.com
u"([a-zA-Z0-9_-]+\\.)+" // domainpart. at least one of these must exist
u"(?=" // must be followed by TLD
u"AERO|aero|" // N.B. assertions are non-capturing
u"ARPA|arpa|"
u"ASIA|asia|"
u"BIZ|biz|"
u"CAT|cat|"
u"COM|com|"
u"COOP|coop|"
u"EDU|edu|"
u"GOV|gov|"
u"INFO|info|"
u"INT|int|"
u"JOBS|jobs|"
u"MIL|mil|"
u"MOBI|mobi|"
u"MUSEUM|museum|"
u"NAME|name|"
u"NET|net|"
u"ORG|org|"
u"PRO|pro|"
u"RO|ro|"
u"RU|ru|"
u"TEL|tel|"
u"TRAVEL|travel"
u")"
u"([a-zA-Z0-9\\?%=&/_\\.:#;-]+)" // everything to 1st non-URI char, must be at least one char after the previous dot (cannot use ".*" because it can be too greedy)
u")"
u"|"
u"(" // case 2b no scheme, no TLD, must have at least 2 alphanum strings plus uncommon TLD string --> del.icio.us
u"([a-zA-Z0-9_-]+\\.) {2,}" // 2 or more domainpart. --> del.icio.
u"[a-zA-Z]{2,}" // one ab (2 char or longer) --> us
u"([a-zA-Z0-9\\?%=&/_\\.:#;-]*)" // everything to 1st non-URI char, maybe nothing in case of del.icio.us/path
u")"
u")"_s
);
// Capture links
result.replace(reURL, u"\\1<a href=\"\\2\">\\2</a>"_s);
// Capture links without scheme
const QRegularExpression reNoScheme(u"<a\\s+href=\"(?!https?)([a-zA-Z0-9\\?%=&/_\\.-:#]+)\\s*\">"_s);
result.replace(reNoScheme, u"<a href=\"http://\\1\">"_s);
// to preserve plain text formatting
result = u"<p style=\"white-space: pre-wrap;\">" + result + u"</p>";
return result;
}
QString Utils::Misc::osName()
{
// static initialization for usage in signal handler
static const QString name =
u"%1 %2 %3"_s
.arg(QSysInfo::prettyProductName()
, QSysInfo::kernelVersion()
, QSysInfo::currentCpuArchitecture());
return name;
}
QString Utils::Misc::boostVersionString()
{
// static initialization for usage in signal handler
static const QString ver = u"%1.%2.%3"_s
.arg(QString::number(BOOST_VERSION / 100000)
, QString::number((BOOST_VERSION / 100) % 1000)
, QString::number(BOOST_VERSION % 100));
return ver;
}
QString Utils::Misc::libtorrentVersionString()
{
// static initialization for usage in signal handler
static const auto version {QString::fromLatin1(lt::version())};
return version;
}
QString Utils::Misc::opensslVersionString()
{
// static initialization for usage in signal handler
static const auto version {QString::fromLatin1(::OpenSSL_version(OPENSSL_VERSION))
.section(u' ', 1, 1)};
return version;
}
QString Utils::Misc::zlibVersionString()
{
// static initialization for usage in signal handler
static const auto version {QString::fromLatin1(zlibVersion())};
return version;
}
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