sneedmc/launcher/Commandline.cpp

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// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
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*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
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*
* This program 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 General Public License for more details.
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*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 MultiMC Contributors
*
* Authors: Orochimarufan <orochimarufan.x3@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
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*/
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#include "Commandline.h"
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/**
* @file libutil/src/cmdutils.cpp
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*/
namespace Commandline
{
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// commandline splitter
QStringList splitArgs(QString args)
{
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QStringList argv;
QString current;
bool escape = false;
QChar inquotes;
for (int i = 0; i < args.length(); i++)
{
QChar cchar = args.at(i);
// \ escaped
if (escape)
{
current += cchar;
escape = false;
// in "quotes"
}
else if (!inquotes.isNull())
{
if (cchar == '\\')
escape = true;
else if (cchar == inquotes)
inquotes = QChar::Null;
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else
current += cchar;
// otherwise
}
else
{
if (cchar == ' ')
{
if (!current.isEmpty())
{
argv << current;
current.clear();
}
}
else if (cchar == '"' || cchar == '\'')
inquotes = cchar;
else
current += cchar;
}
}
if (!current.isEmpty())
argv << current;
return argv;
}
}