qt5base-lts/util/lexgen/configfile.cpp

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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the utils of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "configfile.h"
#include <QFile>
ConfigFile::SectionMap ConfigFile::parse(const QString &fileName)
{
QFile f(fileName);
if (!f.open(QIODevice::ReadOnly))
return ConfigFile::SectionMap();
return parse(&f);
}
ConfigFile::SectionMap ConfigFile::parse(QIODevice *dev)
{
SectionMap sections;
SectionMap::Iterator currentSection = sections.end();
ConfigFile::SectionMap result;
int currentLineNumber = 0;
while (!dev->atEnd()) {
QString line = QString::fromUtf8(dev->readLine()).trimmed();
++currentLineNumber;
if (line.isEmpty() || line.startsWith(QLatin1Char('#')))
continue;
if (line.startsWith(QLatin1Char('['))) {
if (!line.endsWith(']')) {
qWarning("Syntax error at line %d: Missing ']' at start of new section.", currentLineNumber);
return SectionMap();
}
line.remove(0, 1);
line.chop(1);
const QString sectionName = line;
currentSection = sections.insert(sectionName, Section());
continue;
}
if (currentSection == sections.end()) {
qWarning("Syntax error at line %d: Entry found outside of any section.", currentLineNumber);
return SectionMap();
}
Entry e;
e.lineNumber = currentLineNumber;
int equalPos = line.indexOf(QLatin1Char('='));
if (equalPos == -1) {
e.key = line;
} else {
e.key = line;
e.key.truncate(equalPos);
e.key = e.key.trimmed();
e.value = line.mid(equalPos + 1).trimmed();
}
currentSection->append(e);
}
return sections;
}