kpmcore/src/core/copysourcefile.h

61 lines
1.3 KiB
C++

/*
SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
SPDX-FileCopyrightText: 2016-2018 Andrius Štikonas <andrius@stikonas.eu>
SPDX-FileCopyrightText: 2019 Yuri Chornoivan <yurchor@ukr.net>
SPDX-License-Identifier: GPL-3.0-or-later
*/
#ifndef KPMCORE_COPYSOURCEFILE_H
#define KPMCORE_COPYSOURCEFILE_H
#include "core/copysource.h"
#include <QtGlobal>
#include <QFile>
class QString;
class CopyTarget;
/** A file to copy from.
Represents a file to copy from. Used to restore a FileSystem from a backup file.
@author Volker Lanz <vl@fidra.de>
*/
class CopySourceFile : public CopySource
{
public:
explicit CopySourceFile(const QString& filename);
public:
bool open() override;
qint64 length() const override;
bool overlaps(const CopyTarget&) const override {
return false; /**< @return false for file */
}
qint64 firstByte() const override {
return 0; /**< @return 0 for file */
}
qint64 lastByte() const override {
return length(); /**< @return equal to length for file. @see length() */
}
QString path() const override {
return m_File.fileName();
}
protected:
QFile& file() {
return m_File;
}
const QFile& file() const {
return m_File;
}
protected:
QFile m_File;
};
#endif