diff -r 000000000000 -r 1918ee327afb tools/porting/src/textreplacement.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/porting/src/textreplacement.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** 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 qt3to4 porting application 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef TEXTREPLACEMENT_H
+#define TEXTREPLACEMENT_H
+
+#include <QByteArray>
+#include <QList>
+#include <QtAlgorithms>
+
+QT_BEGIN_NAMESPACE
+
+class TextReplacement
+{
+public:
+    QByteArray newText;
+    int insertPosition;
+    int currentLenght;    //lenght of the text that is going to be replaced.
+    bool operator<(const TextReplacement &other) const
+    {
+        return  (insertPosition < other.insertPosition);
+    }
+};
+
+class TextReplacements
+{
+public:
+    /*
+        creates a TextReplacement that inserts newText at insertPosition. currentLength bytes
+        are overwritten in the original text. If there already is an insert at insertPosition,
+        the insert will not be performed.
+
+        insert maintains the TextReplacement list in sorted order.
+
+        Returns true if the insert was successfull, false otherwise;
+    */
+    bool insert(QByteArray newText, int insertPosition, int currentLenght);
+    void clear();
+    QList<TextReplacement> replacements() const
+    {
+        return textReplacementList;
+    }
+    QByteArray apply(QByteArray current);
+
+    TextReplacements &operator+=(const TextReplacements &other);
+
+private:
+    QList<TextReplacement> textReplacementList;
+};
+
+QT_END_NAMESPACE
+
+#endif