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On Linux, QTemporaryFile will attempt to create unnamed temporary files. If that succeeds, open() will return true but exists() will be false. If you call fileName() or any function that calls it, QTemporaryFile will give the file a name, so most applications will not see a difference. To get a real file on disk call fileName().
84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/************************************************************************
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**
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** @file testpath.h
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 28 8, 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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#ifndef TESTPATH_H
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#define TESTPATH_H
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#include <QDir>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QString>
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#include <QTemporaryFile>
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#include <QTextStream>
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class QPointF;
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class QJsonObject;
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template <class T> class QVector;
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class VSAPoint;
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#if !defined(V_NO_ASSERT)
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QJsonObject PointToJson(const QPointF &point);
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void VectorToJson(const QVector<QPointF> &points, QJsonObject &json);
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void VectorToJson(const QVector<VSAPoint> &points, QJsonObject &json);
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//---------------------------------------------------------------------------------------------------------------------
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template <class T>
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void DumpVector(const QVector<T> &points, const QString &templateName=QString())
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{
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QTemporaryFile temp; // Go to tmp folder to find dump
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temp.setAutoRemove(false); // Remove dump manually
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if (not templateName.isEmpty())
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{
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temp.setFileTemplate(QDir::tempPath() + QDir::separator() + templateName);
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}
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if (temp.open())
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{
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#if defined(Q_OS_LINUX)
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#if QT_VERSION >= QT_VERSION_CHECK(5, 10, 0)
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// On Linux, QTemporaryFile will attempt to create unnamed temporary
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// files. If that succeeds, open() will return true but exists() will be
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// false. If you call fileName() or any function that calls it,
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// QTemporaryFile will give the file a name, so most applications will
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// not see a difference.
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temp.fileName(); // call to create a file on disk
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#endif
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#endif
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QJsonObject vectorObject;
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VectorToJson(points, vectorObject);
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QJsonDocument vector(vectorObject);
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QTextStream out(&temp);
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out << vector.toJson();
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out.flush();
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}
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}
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#endif // !defined(V_NO_ASSERT)
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#endif // TESTPATH_H
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