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#ifndef QMAKEVFS_H
#define QMAKEVFS_H

#include "qmake_global.h"

# include <qiodevice.h>
#ifndef PROEVALUATOR_FULL
# include <qhash.h>
# include <qstring.h>
# ifdef PROEVALUATOR_THREAD_SAFE
#  include <qmutex.h>
# endif
#endif

QT_BEGIN_NAMESPACE

class QMAKE_EXPORT QMakeVfs
{
public:
    QMakeVfs();

    bool writeFile(const QString &fn, QIODevice::OpenMode mode, const QString &contents, QString *errStr);
    bool readFile(const QString &fn, QString *contents, QString *errStr);
    bool exists(const QString &fn);

#ifndef PROEVALUATOR_FULL
    void invalidateCache();
    void invalidateContents();
#endif

private:
#ifndef PROEVALUATOR_FULL
# ifdef PROEVALUATOR_THREAD_SAFE
    QMutex m_mutex;
# endif
    QHash<QString, QString> m_files;
    QString m_magicMissing;
    QString m_magicExisting;
#endif
};

QT_END_NAMESPACE

#endif // QMAKEVFS_H
