/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qbs.
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
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****************************************************************************/
#ifndef QBS_ITEMREADERVISITORSTATE_H
#define QBS_ITEMREADERVISITORSTATE_H

#include <logging/logger.h>
#include <tools/set.h>

#include <QtCore/qstringlist.h>

#include <memory>

namespace qbs {
namespace Internal {
class Item;
class ItemPool;

class ItemReaderVisitorState
{
public:
    ItemReaderVisitorState(Logger &logger);
    ~ItemReaderVisitorState();

    Set<QString> filesRead() const { return m_filesRead; }

    Item *readFile(const QString &filePath, const QStringList &searchPaths, ItemPool *itemPool);

    void cacheDirectoryEntries(const QString &dirPath, const QStringList &entries);
    bool findDirectoryEntries(const QString &dirPath, QStringList *entries) const;

    Item *mostDerivingItem() const;
    void setMostDerivingItem(Item *item);

private:
    Logger &m_logger;
    Set<QString> m_filesRead;
    QHash<QString, QStringList> m_directoryEntries;
    Item *m_mostDerivingItem = nullptr;

    class ASTCache;
    const std::unique_ptr<ASTCache> m_astCache;
};

} // namespace Internal
} // namespace qbs

#endif // Include guard.