56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
|
|
* Strawberry Music Player
|
|
* Copyright 2024, Jonas Kvinge <jonas@jkvinge.net>
|
|
*
|
|
* Strawberry 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include <unicode/ucsdet.h>
|
|
|
|
#include <QByteArray>
|
|
#include <QString>
|
|
#include <QScopeGuard>
|
|
|
|
#include "textencodingutils.h"
|
|
|
|
namespace Utilities {
|
|
|
|
QByteArray TextEncodingFromData(const QByteArray &data) {
|
|
|
|
UErrorCode error_code = U_ZERO_ERROR;
|
|
UCharsetDetector *csd = ucsdet_open(&error_code);
|
|
if (error_code != U_ZERO_ERROR) {
|
|
return QByteArray();
|
|
}
|
|
const QScopeGuard scopeguard_csd = qScopeGuard([csd]() { ucsdet_close(csd); });
|
|
ucsdet_setText(csd, data.constData(), static_cast<int>(data.length()), &error_code);
|
|
if (error_code != U_ZERO_ERROR) {
|
|
return QByteArray();
|
|
}
|
|
const UCharsetMatch *ucm = ucsdet_detect(csd, &error_code);
|
|
if (error_code != U_ZERO_ERROR) {
|
|
return QByteArray();
|
|
}
|
|
const char *encoding_name = ucsdet_getName(ucm, &error_code);
|
|
if (error_code != U_ZERO_ERROR) {
|
|
return QByteArray();
|
|
}
|
|
|
|
return encoding_name;
|
|
|
|
}
|
|
|
|
} // namespace Utilities
|