mirror of
https://github.com/LMMS/lmms.git
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1641f5f95f
- Build RemoteVstPlugin in C++20 mode - Avoids using std::wstring due to strange issues with it when built with wineg++. See https://bugs.winehq.org/show_bug.cgi?id=58465 - Fix some memory leaks + minor cleanup of RemoteVstPlugin code - Rename `F_OPEN_UTF8` to `fopenUtf8` - Use C++20 in our `determine_version_from_source` CMake function - Update ZynAddSubFX submodule
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/*
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* LocaleHelper.h - compatibility functions for handling decimal separators
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* Providing helper functions which handle both periods and commas
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* for decimal separators to load old projects correctly
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*
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* Copyright (c) 2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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* Copyright (c) 2018 Hyunjin Song <tteu.ingog/at/gmail.com>
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*
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* This file is part of LMMS - https://lmms.io
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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
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* License as published by the Free Software Foundation; either
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* version 2 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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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// NOTE: The LMMS/zynaddsubfx repo contains a copy of this header.
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// If you modify this file, consider modifying it there as well.
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#ifndef LMMS_LOCALEHELPER_H
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#define LMMS_LOCALEHELPER_H
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#include <QLocale>
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#include <limits>
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#include <cmath>
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namespace lmms::LocaleHelper
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{
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inline double toDouble(const QString& str, bool* ok = nullptr)
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{
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bool isOkay;
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QLocale c(QLocale::C);
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c.setNumberOptions(QLocale::RejectGroupSeparator);
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double value = c.toDouble(str, &isOkay);
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if (!isOkay)
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{
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QLocale german(QLocale::German);
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german.setNumberOptions(QLocale::RejectGroupSeparator);
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value = german.toDouble(str, &isOkay);
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}
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if (ok != nullptr) { *ok = isOkay; }
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return value;
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}
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inline float toFloat(const QString& str, bool* ok = nullptr)
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{
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double d = toDouble(str, ok);
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if (!std::isinf(d) && std::fabs(d) > std::numeric_limits<float>::max())
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{
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if (ok != nullptr) { *ok = false; }
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return 0.0f;
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}
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return static_cast<float>(d);
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}
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} // namespace lmms::LocaleHelper
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#endif // LMMS_LOCALEHELPER_H
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