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68 lines
2.0 KiB
68 lines
2.0 KiB
10 years ago
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/* 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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* http://razor-qt.org
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*
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* Copyright (C) 2013 Alec Moskvin <alecm@gmx.com>
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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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QString program = programName(command);
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if (program[0] == QChar('/'))
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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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QString path = qgetenv("PATH");
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foreach (const QString& dirName, path.split(":", QString::SkipEmptyParts))
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{
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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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foreach (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(we.we_wordv[0]);
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return QString();
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}
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