/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
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** This file is part of the tools applications of the Qt Toolkit.
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** License version 2.0 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 GNU
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** Exception version 1.0, which can be found at
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** In addition, as a special exception, Trolltech, as the sole copyright
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** Trolltech ASA (c) 2007
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/

#ifndef CPPWRITEINCLUDES_H
#define CPPWRITEINCLUDES_H

#include "treewalker.h"

#include <QHash>
#include <QMap>
#include <QSet>
#include <QString>

class QTextStream;
class Driver;
class Uic;

namespace CPP {

struct WriteIncludes : public TreeWalker
{
    WriteIncludes(Uic *uic);

    void acceptUI(DomUI *node);
    void acceptWidget(DomWidget *node);
    void acceptLayout(DomLayout *node);
    void acceptSpacer(DomSpacer *node);
    void acceptProperty(DomProperty *node);
    void acceptWidgetScripts(const DomScripts &, DomWidget *, const DomWidgets &);

//
// custom widgets
//
    void acceptCustomWidgets(DomCustomWidgets *node);
    void acceptCustomWidget(DomCustomWidget *node);

//
// include hints
//
    void acceptIncludes(DomIncludes *node);
    void acceptInclude(DomInclude *node);

    bool scriptsActivated() const { return m_scriptsActivated; }

private:
    void add(const QString &className, const QString &header = QString(), bool global = false);

private:
    typedef QMap<QString, bool> OrderedSet;
    void insertIncludeForClass(const QString &className, QString header = QString(), bool global = false);
    void insertInclude(const QString &header, bool global);
    void writeHeaders(const OrderedSet &headers, bool global);
    QString headerForClassName(const QString &className) const;
    void activateScripts();

    const Uic *m_uic;
    QTextStream &m_output;

    OrderedSet m_localIncludes;
    OrderedSet m_globalIncludes;
    QSet<QString> m_includeBaseNames;

    QSet<QString> m_knownClasses;

    typedef QHash<QString, QString> StringMap;
    StringMap m_classToHeader;
    StringMap m_oldHeaderToNewHeader;
    bool m_scriptsActivated;
};

} // namespace CPP

#endif // CPPWRITEINCLUDES_H