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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* https://lxqt.org
*
* Copyright (C) 2013 Alec Moskvin <alecm@gmx.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "lxqtprogramfinder.h"
#include <wordexp.h>
#include <QDir>
#include <QFileInfo>
using namespace LXQt;
LXQT_API bool ProgramFinder::programExists(const QString& command)
{
const QString program = programName(command);
if (program[0] == QL1C('/'))
{
QFileInfo fi(program);
return fi.isExecutable() && fi.isFile();
}
const QString path = QFile::decodeName(qgetenv("PATH"));
const QStringList dirs = path.split(QL1C(':'), Qt::SkipEmptyParts);
for (const QString& dirName : dirs)
{
const QFileInfo fi(QDir(dirName), program);
if (fi.isExecutable() && fi.isFile())
return true;
}
return false;
}
LXQT_API QStringList ProgramFinder::findPrograms(const QStringList& commands)
{
QStringList availPrograms;
for (const QString& program : commands)
if (programExists(program))
availPrograms.append(program);
return availPrograms;
}
LXQT_API QString ProgramFinder::programName(const QString& command)
{
wordexp_t we;
if (wordexp(command.toLocal8Bit().constData(), &we, WRDE_NOCMD) == 0)
if (we.we_wordc > 0)
return QString::fromLocal8Bit(we.we_wordv[0]);
return QString();
}
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