/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the qmake application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
**
****************************************************************************/

#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, bool exe, 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