/****************************************************************************+
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**+
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** Copyright (C) 2010 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 FILEPORTER_H+
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#define FILEPORTER_H+
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+
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#include "portingrules.h"+
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#include "replacetoken.h"+
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#include "filewriter.h"+
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#include "preprocessorcontrol.h"+
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#include <QString>+
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#include <QSet>+
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#include <QMap>+
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+
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QT_BEGIN_NAMESPACE+
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+
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class FilePorter+
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{+
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public:+
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    FilePorter(PreprocessorCache &preprocessorCache);+
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    void port(QString fileName);+
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    QSet<QByteArray> usedQtModules();+
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private:+
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    QByteArray loadFile(const QString &fileName);+
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    QByteArray includeAnalyse(QByteArray fileContents);+
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    TextReplacements includeDirectiveReplacements();+
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+
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    PreprocessorCache &preprocessorCache;+
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    const QList<TokenReplacement*> tokenReplacementRules;+
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    const QHash<QByteArray, QByteArray> headerReplacements;+
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+
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    ReplaceToken replaceToken;+
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    Tokenizer tokenizer;    //used by includeAnalyse+
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+
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    QSet<QByteArray> qt4HeaderNames;+
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    QSet<QByteArray> m_usedQtModules;+
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};+
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+
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class PreprocessReplace : public Rpp::RppTreeWalker+
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{+
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public:+
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    PreprocessReplace(const Rpp::Source *source, const QHash<QByteArray, QByteArray> &headerReplacements);+
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    TextReplacements getReplacements();+
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private:+
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    void evaluateIncludeDirective(const Rpp::IncludeDirective *directive);+
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    void evaluateText(const Rpp::Text *textLine);+
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    const QHash<QByteArray, QByteArray> headerReplacements;+
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    TextReplacements replacements;+
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    +
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};+
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+
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class IncludeDirectiveAnalyzer : public Rpp::RppTreeWalker+
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{+
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public:+
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    IncludeDirectiveAnalyzer(const TokenEngine::TokenContainer &fileContents);+
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    int insertPos();+
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    QSet<QByteArray> includedHeaders();+
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    QSet<QByteArray> usedClasses();+
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private:+
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    void evaluateIncludeDirective(const Rpp::IncludeDirective *directive);+
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    void evaluateIfSection(const Rpp::IfSection *ifSection);+
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    void evaluateText(const Rpp::Text *textLine);+
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+
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    int insertTokenIndex;+
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    bool foundInsertPos;+
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    bool foundQtHeader;+
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    int ifSectionCount;+
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+
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    const TokenEngine::TokenContainer &fileContents;+
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    Rpp::Source *source;+
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    TypedPool<Rpp::Item> mempool;+
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    QSet<QByteArray> m_includedHeaders;+
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    QSet<QByteArray> m_usedClasses;+
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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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