81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
/************************************************************************
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**
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** @file appimage.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 29 11, 2019
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2019 Valentina project
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** <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina 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 Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "appimage.h"
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#include <QCoreApplication>
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#include <QString>
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#include <QVector>
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#include <unicode/putil.h>
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#include "compatibility.h"
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#include "def.h"
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using namespace Qt::Literals::StringLiterals;
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief AppImageRoot returns path to AppImage root folder. Because after mount path to /usr folder looks like
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* /tmp/.mount_valentXwmbwE/usr, the root part must be extracted to fix all paths when application is in AppImage
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* format.
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*
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* Function we return empty if expected path is not compatible with current application directory path.
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* @return path to AppImage root folder
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*/
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QString AppImageRoot()
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{
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return AppImageRoot(QCoreApplication::applicationDirPath(), QString(BINDIR));
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}
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//---------------------------------------------------------------------------------------------------------------------
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QString AppImageRoot(const QString &applicationDir, const QString &defaultAppDir)
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{
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QStringList appSub = SplitFilePaths(applicationDir);
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QStringList defaultSub = SplitFilePaths(defaultAppDir);
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if (appSub.isEmpty() || defaultSub.isEmpty() || appSub.size() <= defaultSub.size())
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{
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return {};
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}
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appSub = Reverse(appSub);
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defaultSub = Reverse(defaultSub);
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for (int i = 0; i < defaultSub.size(); ++i)
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{
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if (defaultSub.at(i) != appSub.at(i))
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{
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return {};
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}
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}
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QStringList rootSub = appSub.mid(defaultSub.size());
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rootSub = Reverse(rootSub);
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return '/'_L1 + rootSub.join('/');
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}
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