/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the qt3to4 porting application of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef RPPTREEWALKER_H+
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#define RPPTREEWALKER_H+
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+
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#include "rpp.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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namespace Rpp {+
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+
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class RppTreeWalker+
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{+
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public:+
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    virtual ~RppTreeWalker(){};+
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    virtual void evaluateItem(const Item *item);+
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    virtual void evaluateItemComposite(const ItemComposite *itemComposite);+
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    virtual void evaluateSource(const Source *source);+
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    virtual void evaluateDirective(const Directive *directive);+
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    virtual void evaluateIfSection(const IfSection *ifSection);+
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    virtual void evaluateConditionalDirective(const ConditionalDirective *conditionalDirective);+
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+
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    virtual void evaluateText(const Text *textLine) {Q_UNUSED(textLine);}+
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    virtual void evaluateEmptyDirective(const EmptyDirective *directive) {Q_UNUSED(directive);}+
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    virtual void evaluateErrorDirective(const ErrorDirective *directive) {Q_UNUSED(directive);}+
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    virtual void evaluatePragmaDirective(const PragmaDirective *directive) {Q_UNUSED(directive);}+
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    virtual void evaluateIncludeDirective(const IncludeDirective *directive) {Q_UNUSED(directive);}+
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    virtual void evaluateDefineDirective(const DefineDirective *directive) {Q_UNUSED(directive);}+
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    virtual void evaluateUndefDirective(const UndefDirective *directive) {Q_UNUSED(directive);}+
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    virtual void evaluateLineDirective(const LineDirective *directive) {Q_UNUSED(directive);}+
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    virtual void evaluateNonDirective(const NonDirective *directive) {Q_UNUSED(directive);}+
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+
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    virtual void evaluateIfdefDirective(const IfdefDirective *directive);+
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    virtual void evaluateIfndefDirective(const IfndefDirective *directive);+
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    virtual void evaluateIfDirective(const IfDirective *directive);+
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    virtual void evaluateElifDirective(const ElifDirective *directive);+
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    virtual void evaluateElseDirective(const ElseDirective *directive);+
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+
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    virtual void evaluateEndifDirective(const EndifDirective *directive) {Q_UNUSED(directive);}+
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};+
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+
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}+
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+
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QT_END_NAMESPACE+
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+
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#endif+
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