util/lexgen/configfile.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util/lexgen/configfile.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,99 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the utils of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#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;
+}