/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Copyright (C) 2019 Intel Corporation.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** 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
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QRESOURCE_H
#define QRESOURCE_H

#include <QtCore/qstring.h>
#include <QtCore/qlocale.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qlist.h>
#include <QtCore/qscopedpointer.h>

QT_BEGIN_NAMESPACE


class QResourcePrivate;

class Q_CORE_EXPORT QResource
{
public:
    enum Compression {
        NoCompression,
        ZlibCompression,
        ZstdCompression
    };

    QResource(const QString &file = QString(), const QLocale &locale = QLocale());
    ~QResource();

    void setFileName(const QString &file);
    QString fileName() const;
    QString absoluteFilePath() const;

    void setLocale(const QLocale &locale);
    QLocale locale() const;

    bool isValid() const;

    Compression compressionAlgorithm() const;
    qint64 size() const;
    const uchar *data() const;
    qint64 uncompressedSize() const;
    QByteArray uncompressedData() const;
    QDateTime lastModified() const;

    static bool registerResource(const QString &rccFilename, const QString &resourceRoot=QString());
    static bool unregisterResource(const QString &rccFilename, const QString &resourceRoot=QString());

    static bool registerResource(const uchar *rccData, const QString &resourceRoot=QString());
    static bool unregisterResource(const uchar *rccData, const QString &resourceRoot=QString());

protected:
    friend class QResourceFileEngine;
    friend class QResourceFileEngineIterator;
    bool isDir() const;
    inline bool isFile() const { return !isDir(); }
    QStringList children() const;

protected:
    QScopedPointer<QResourcePrivate> d_ptr;

private:
    Q_DECLARE_PRIVATE(QResource)
};

QT_END_NAMESPACE

#endif // QRESOURCE_H
