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69 lines
2.2 KiB
69 lines
2.2 KiB
/*===================================================================== |
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QGroundControl Open Source Ground Control Station |
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(c) 2009 - 2014 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org> |
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This file is part of the QGROUNDCONTROL project |
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QGROUNDCONTROL 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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QGROUNDCONTROL 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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You should have received a copy of the GNU General Public License |
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along with QGROUNDCONTROL. If not, see <http://www.gnu.org/licenses/>. |
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======================================================================*/ |
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/// @file |
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/// @brief This class mimics QTemporaryFile. We have our own implementation due to the fact that |
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/// QTemporaryFile implemenation differs cross platform making it unusable for our use-case. |
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/// Look for bug reports on QTemporaryFile keeping the file locked for details. |
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/// |
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/// @author Don Gagne <don@thegagnes.com> |
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#include "QGCTemporaryFile.h" |
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#include <QDir> |
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#include <QStandardPaths> |
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QGCTemporaryFile::QGCTemporaryFile(const QString& fileTemplate, QObject* parent) : |
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QFile(parent), |
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_template(fileTemplate) |
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{ |
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} |
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bool QGCTemporaryFile::open(QFile::OpenMode openMode) |
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{ |
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QDir tempDir(QStandardPaths::writableLocation(QStandardPaths::TempLocation)); |
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// Generate unique, non-existing filename |
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static const char rgDigits[] = "0123456789"; |
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QString tempFilename; |
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do { |
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QString uniqueStr; |
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for (int i=0; i<6; i++) { |
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uniqueStr += rgDigits[qrand() % 10]; |
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} |
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if (_template.contains("XXXXXX")) { |
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tempFilename = _template.replace("XXXXXX", uniqueStr, Qt::CaseSensitive); |
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} else { |
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tempFilename = _template + uniqueStr; |
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} |
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} while (tempDir.exists(tempFilename)); |
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setFileName(tempDir.filePath(tempFilename)); |
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return QFile::open(openMode); |
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}
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