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diff --git a/tools/linguist/shared/ioutils.h b/tools/linguist/shared/ioutils.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Linguist of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef IOUTILS_H
+#define IOUTILS_H
+
+#include <QtCore/QString>
+
+namespace ProFileEvaluatorInternal {
+
+/*!
+  This class provides replacement functionality for QFileInfo, QFile & QDir,
+  as these are abysmally slow.
+*/
+class IoUtils {
+public:
+    enum FileType {
+        FileNotFound = 0,
+        FileIsRegular = 1,
+        FileIsDir = 2
+    };
+
+    static FileType fileType(const QString &fileName);
+    static bool exists(const QString &fileName) { return fileType(fileName) != FileNotFound; }
+    static bool isRelativePath(const QString &fileName);
+    static bool isAbsolutePath(const QString &fileName) { return !isRelativePath(fileName); }
+    static QStringRef fileName(const QString &fileName); // Requires normalized path
+    static QString resolvePath(const QString &baseDir, const QString &fileName);
+#ifdef QT_BOOTSTRAPPED
+    static QString shellQuote(const QString &arg);
+#endif
+};
+
+}
+
+#endif // IOUTILS_H