util/lexgen/configfile.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 15:50:13 +0300
changeset 18 2f34d5167611
parent 0 1918ee327afb
permissions -rw-r--r--
Revision: 201011 Kit: 201015
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     1
/****************************************************************************
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     2
**
18
2f34d5167611 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
     3
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
0
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     4
** All rights reserved.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     5
** Contact: Nokia Corporation (qt-info@nokia.com)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     6
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     7
** This file is part of the utils of the Qt Toolkit.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     8
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
     9
** $QT_BEGIN_LICENSE:LGPL$
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    10
** No Commercial Usage
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    11
** This file contains pre-release code and may not be distributed.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    12
** You may use this file in accordance with the terms and conditions
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    13
** contained in the Technology Preview License Agreement accompanying
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    14
** this package.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    15
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    16
** GNU Lesser General Public License Usage
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    17
** Alternatively, this file may be used under the terms of the GNU Lesser
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    18
** General Public License version 2.1 as published by the Free Software
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    19
** Foundation and appearing in the file LICENSE.LGPL included in the
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    20
** packaging of this file.  Please review the following information to
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    21
** ensure the GNU Lesser General Public License version 2.1 requirements
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    22
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    23
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    24
** In addition, as a special exception, Nokia gives you certain additional
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    25
** rights.  These rights are described in the Nokia Qt LGPL Exception
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    26
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    27
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    28
** If you have questions regarding the use of this file, please contact
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    29
** Nokia at qt-info@nokia.com.
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    30
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    31
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    32
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    33
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    34
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    35
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    36
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    37
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    38
** $QT_END_LICENSE$
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    39
**
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    40
****************************************************************************/
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    41
#include "configfile.h"
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    42
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    43
#include <QFile>
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    44
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    45
ConfigFile::SectionMap ConfigFile::parse(const QString &fileName)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    46
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    47
    QFile f(fileName);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    48
    if (!f.open(QIODevice::ReadOnly))
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    49
        return ConfigFile::SectionMap();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    50
    return parse(&f);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    51
}
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    52
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    53
ConfigFile::SectionMap ConfigFile::parse(QIODevice *dev)
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    54
{
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    55
    SectionMap sections;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    56
    SectionMap::Iterator currentSection = sections.end();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    57
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    58
    ConfigFile::SectionMap result;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    59
    int currentLineNumber = 0;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    60
    while (!dev->atEnd()) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    61
        QString line = QString::fromUtf8(dev->readLine()).trimmed();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    62
        ++currentLineNumber;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    63
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    64
        if (line.isEmpty() || line.startsWith(QLatin1Char('#')))
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    65
            continue;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    66
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    67
        if (line.startsWith(QLatin1Char('['))) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    68
            if (!line.endsWith(']')) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    69
                qWarning("Syntax error at line %d: Missing ']' at start of new section.", currentLineNumber);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    70
                return SectionMap();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    71
            }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    72
            line.remove(0, 1);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    73
            line.chop(1);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    74
            const QString sectionName = line;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    75
            currentSection = sections.insert(sectionName, Section());
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    76
            continue;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    77
        }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    78
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    79
        if (currentSection == sections.end()) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    80
            qWarning("Syntax error at line %d: Entry found outside of any section.", currentLineNumber);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    81
            return SectionMap();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    82
        }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    83
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    84
        Entry e;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    85
        e.lineNumber = currentLineNumber;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    86
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    87
        int equalPos = line.indexOf(QLatin1Char('='));
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    88
        if (equalPos == -1) {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    89
            e.key = line;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    90
        } else {
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    91
            e.key = line;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    92
            e.key.truncate(equalPos);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    93
            e.key = e.key.trimmed();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    94
            e.value = line.mid(equalPos + 1).trimmed();
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    95
        }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    96
        currentSection->append(e);
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    97
    }
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    98
    return sections;
1918ee327afb Revision: 200952
Alex Gilkes <alex.gilkes@nokia.com>
parents:
diff changeset
    99
}