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68 lines
2.1 KiB
68 lines
2.1 KiB
/* BEGIN_COMMON_COPYRIGHT_HEADER |
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* (c)LGPL2+ |
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* |
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* LXQt - a lightweight, Qt based, desktop toolset |
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* https://lxqt.org |
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* |
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* Copyright (C) 2013 Alec Moskvin <[email protected]> |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* This library 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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* Lesser General Public License for more details. |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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* |
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* END_COMMON_COPYRIGHT_HEADER */ |
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#include "lxqtprogramfinder.h" |
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#include <wordexp.h> |
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#include <QDir> |
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#include <QFileInfo> |
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using namespace LXQt; |
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LXQT_API bool ProgramFinder::programExists(const QString& command) |
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{ |
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const QString program = programName(command); |
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if (program[0] == QL1C('/')) |
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{ |
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QFileInfo fi(program); |
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return fi.isExecutable() && fi.isFile(); |
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} |
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const QString path = QFile::decodeName(qgetenv("PATH")); |
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const QStringList dirs = path.split(QL1C(':'), Qt::SkipEmptyParts); |
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for (const QString& dirName : dirs) |
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{ |
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const QFileInfo fi(QDir(dirName), program); |
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if (fi.isExecutable() && fi.isFile()) |
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return true; |
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} |
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return false; |
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} |
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LXQT_API QStringList ProgramFinder::findPrograms(const QStringList& commands) |
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{ |
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QStringList availPrograms; |
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for (const QString& program : commands) |
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if (programExists(program)) |
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availPrograms.append(program); |
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return availPrograms; |
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} |
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LXQT_API QString ProgramFinder::programName(const QString& command) |
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{ |
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wordexp_t we; |
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if (wordexp(command.toLocal8Bit().constData(), &we, WRDE_NOCMD) == 0) |
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if (we.we_wordc > 0) |
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return QString::fromLocal8Bit(we.we_wordv[0]); |
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return QString(); |
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}
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