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/**************************************************************************
**
** Copyright (C) 2012-2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
**************************************************************************/
#ifndef BINARYFORMAT_H
#define BINARYFORMAT_H
#include "range.h"
#include "qinstallerglobal.h"
#include <QFile>
#include <QList>
namespace QInstaller {
struct OperationBlob {
OperationBlob(const QString &n, const QString &x)
: name(n), xml(x) {}
QString name;
QString xml;
};
class INSTALLER_EXPORT Resource : public QIODevice
{
Q_OBJECT
Q_DISABLE_COPY(Resource)
public:
explicit Resource(const QString &path);
Resource(const QByteArray &name, const QString &path);
explicit Resource(const QSharedPointer<QIODevice> &device);
Resource(const QSharedPointer<QIODevice> &device, const Range<qint64> &segment);
Resource(const QByteArray &name, const QSharedPointer<QIODevice> &device,
const Range<qint64> &segment);
~Resource();
bool open();
void close();
bool seek(qint64 pos);
qint64 size() const;
QByteArray name() const;
void setName(const QByteArray &name);
Range<qint64> segment() const { return m_segment; }
void copyData(QFileDevice *out) { copyData(this, out); }
static void copyData(Resource *archive, QFileDevice *out);
private:
qint64 readData(char *data, qint64 maxSize);
qint64 writeData(const char *data, qint64 maxSize);
bool open(OpenMode mode) { return QIODevice::open(mode); }
private:
QSharedPointer<QIODevice> m_device;
Range<qint64> m_segment;
QFile m_inputFile;
QByteArray m_name;
bool m_deviceOpened;
};
class INSTALLER_EXPORT ResourceCollection
{
Q_DECLARE_TR_FUNCTIONS(ResourceCollection)
public:
ResourceCollection() {}
explicit ResourceCollection(const QByteArray &name);
QByteArray name() const;
void setName(const QByteArray &ba);
Range<qint64> segment() const { return m_segment; }
void setSegment(const Range<qint64> &segment) const { m_segment = segment; }
void write(QFileDevice *dev, qint64 positionOffset) const;
void read(const QSharedPointer<QFile> &dev, qint64 offset);
QList<QSharedPointer<Resource> > resources() const;
QSharedPointer<Resource> resourceByName(const QByteArray &name) const;
void appendResource(const QSharedPointer<Resource> &resource);
void appendResources(const QList<QSharedPointer<Resource> > &resources);
private:
QByteArray m_name;
mutable Range<qint64> m_segment;
QList<QSharedPointer<Resource> > m_resources;
};
class INSTALLER_EXPORT ResourceCollectionManager
{
public:
Range<qint64> write(QFileDevice *dev, qint64 offset) const;
void read(const QSharedPointer<QFile> &dev, qint64 offset);
void reset();
int collectionCount() const;
QList<ResourceCollection> collections() const;
ResourceCollection collectionByName(const QByteArray &name) const;
void removeCollection(const QByteArray &name);
void insertCollection(const ResourceCollection &collection);
private:
void writeIndexEntry(const ResourceCollection &coll, QFileDevice *dev) const;
ResourceCollection readIndexEntry(const QSharedPointer<QFile> &dev, qint64 offset);
private:
QHash<QByteArray, ResourceCollection> m_collections;
};
} // namespace QInstaller
#endif // BINARYFORMAT_H
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