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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "commandlineparser.h"
#include <logging/translator.h>
#include <tools/error.h>
#include <QtCore/qfileinfo.h>
using qbs::Internal::Tr;
static QString helpOptionShort() { return QLatin1String("-h"); }
static QString helpOptionLong() { return QLatin1String("--help"); }
static QString settingsDirOption() { return QLatin1String("--settings-dir"); }
static QString systemOption() { return QLatin1String("--system"); }
void CommandLineParser::parse(const QStringList &commandLine)
{
m_commandLine = commandLine;
Q_ASSERT(!m_commandLine.empty());
m_command = QFileInfo(m_commandLine.takeFirst()).fileName();
m_helpRequested = false;
m_settingsDir.clear();
if (m_commandLine.empty())
return;
const QString &arg = m_commandLine.front();
if (arg == helpOptionShort() || arg == helpOptionLong()) {
m_commandLine.removeFirst();
m_helpRequested = true;
} else if (arg == systemOption()) {
m_commandLine.removeFirst();
m_settingsScope = qbs::Settings::SystemScope;
} else if (arg == settingsDirOption()) {
m_commandLine.removeFirst();
assignOptionArgument(settingsDirOption(), m_settingsDir);
}
if (!m_commandLine.empty())
complainAboutExtraArguments();
}
void CommandLineParser::throwError(const QString &message)
{
qbs::ErrorInfo error(Tr::tr("Syntax error: %1").arg(message));
error.append(usageString());
throw error;
}
QString CommandLineParser::usageString() const
{
QString s = Tr::tr("This tool displays qbs settings in a GUI.\n"
"If you have more than a few settings, this might be preferable to "
"plain \"qbs config\", as it presents a hierarchical view.\n");
s += Tr::tr("Usage:\n");
s += Tr::tr(" %1 [%2 <settings directory>] [%5] [%3|%4]\n")
.arg(m_command, settingsDirOption(), helpOptionShort(), helpOptionLong(),
systemOption());
return s;
}
void CommandLineParser::assignOptionArgument(const QString &option, QString &argument)
{
if (m_commandLine.empty())
throwError(Tr::tr("Option '%1' needs an argument.").arg(option));
argument = m_commandLine.takeFirst();
if (argument.isEmpty())
throwError(Tr::tr("Argument for option '%1' must not be empty.").arg(option));
}
void CommandLineParser::complainAboutExtraArguments()
{
throwError(Tr::tr("Extraneous command-line arguments '%1'.")
.arg(m_commandLine.join(QLatin1Char(' '))));
}
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