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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "commandlineparser.h"
#include <QtCore/qfileinfo.h>
#include <cctype>
static QString profileOption() { return "--profile"; }
static QString startCommitOption() { return "--start-commit"; }
static QString maxDurationoption() { return "--max-duration"; }
static QString jobCountOption() { return "--jobs"; }
static QString logOption() { return "--log"; }
CommandLineParser::CommandLineParser() = default;
void CommandLineParser::parse(const QStringList &commandLine)
{
m_profile.clear();
m_startCommit.clear();
m_maxDuration = 0;
m_jobCount = 0;
m_log = false;
m_commandLine = commandLine;
Q_ASSERT(!m_commandLine.empty());
m_command = m_commandLine.takeFirst();
while (!m_commandLine.empty()) {
const QString arg = m_commandLine.takeFirst();
if (arg == profileOption())
assignOptionArgument(arg, m_profile);
else if (arg == startCommitOption())
assignOptionArgument(arg, m_startCommit);
else if (arg == jobCountOption())
assignOptionArgument(arg, m_jobCount);
else if (arg == maxDurationoption())
parseDuration();
else if (arg == logOption())
m_log = true;
else
throw ParseException(QStringLiteral("Unknown parameter '%1'").arg(arg));
}
if (m_profile.isEmpty())
throw ParseException("No profile given.");
if (m_startCommit.isEmpty())
throw ParseException("No start commit given.");
}
QString CommandLineParser::usageString() const
{
return QStringLiteral("%1 %2 <profile> %3 <start commit> [%4 <duration>] "
"[%5 <job count>] [%6]")
.arg(QFileInfo(m_command).fileName(), profileOption(), startCommitOption(),
maxDurationoption(), jobCountOption(), logOption());
}
void CommandLineParser::assignOptionArgument(const QString &option, QString &argument)
{
if (m_commandLine.empty())
throw ParseException(QStringLiteral("Option '%1' needs an argument.").arg(option));
argument = m_commandLine.takeFirst();
if (argument.isEmpty()) {
throw ParseException(QStringLiteral("Argument for option '%1' must not be empty.")
.arg(option));
}
}
void CommandLineParser::assignOptionArgument(const QString &option, int &argument)
{
QString numberString;
assignOptionArgument(option, numberString);
bool ok;
argument = numberString.toInt(&ok);
if (!ok || argument <= 0) {
throw ParseException(QStringLiteral("Invalid argument '%1' for option '%2'.")
.arg(numberString, option));
}
}
void CommandLineParser::parseDuration()
{
QString durationString;
QString choppedDurationString;
assignOptionArgument(maxDurationoption(), durationString);
choppedDurationString = durationString;
const char suffix = durationString.at(durationString.size() - 1).toLatin1();
const bool hasSuffix = !std::isdigit(suffix);
if (hasSuffix)
choppedDurationString.chop(1);
bool ok;
m_maxDuration = choppedDurationString.toInt(&ok);
if (!ok || m_maxDuration <= 0) {
throw ParseException(QStringLiteral("Invalid duration argument '%1'.")
.arg(durationString));
}
if (hasSuffix) {
switch (suffix) {
case 'm': break;
case 'd': m_maxDuration *= 24; // Fall-through.
case 'h': m_maxDuration *= 60; break;
default:
throw ParseException(QStringLiteral("Invalid duration suffix '%1'.")
.arg(suffix));
}
}
}
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