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diff --git a/tools/porting/src/rpplexer.h b/tools/porting/src/rpplexer.h
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+/****************************************************************************
+**
+** Copyright (C) 2001-2004 Roberto Raggi
+** 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 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 RPPLEXER_H
+#define RPPLEXER_H
+
+#include "tokens.h"
+#include "tokenengine.h"
+#include <QByteArray>
+#include <QVector>
+
+QT_BEGIN_NAMESPACE
+
+namespace Rpp {
+
+class RppLexer
+{
+public:
+
+    RppLexer();
+    QVector<Type> lex(const TokenEngine::TokenContainer &tokenContainer);
+private:
+    Type indentify(int pos, int length);
+    void setupScanTable();
+
+    void scanChar(int *kind);
+    void scanUnicodeChar(int *kind);
+    void scanNewline(int *kind);
+    void scanWhiteSpaces(int *kind);
+    void scanCharLiteral(int *kind);
+    void scanStringLiteral(int *kind);
+    void scanNumberLiteral(int *kind);
+    void scanIdentifier(int *kind);
+    void scanPreprocessor(int *kind);
+    void scanComment(int *kind);
+    void scanOperator(int *kind);
+    void scanKeyword(int *kind);
+
+    bool match(const char *buf, int len);
+    typedef void (RppLexer::*scan_fun_ptr)(int *kind);
+    RppLexer::scan_fun_ptr s_scan_table[128+1];
+    int s_attr_table[256];
+
+    enum
+    {
+        A_Alpha = 0x01,
+        A_Digit = 0x02,
+        A_Alphanum = A_Alpha | A_Digit,
+        A_Whitespace = 0x04
+    };
+
+    const char *m_buffer;
+    int m_ptr;
+    int m_len;
+};
+
+} //namespace Rpp
+
+QT_END_NAMESPACE
+
+#endif