73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>.*
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*************************************************************************/
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#if !defined(COPYSOURCEFILE__H)
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#define COPYSOURCEFILE__H
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#include "core/copysource.h"
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#include <QtGlobal>
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#include <QFile>
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class QString;
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class CopyTarget;
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/** A file to copy from.
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Represents a file to copy from. Used to restore a FileSystem from a backup file.
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@author Volker Lanz <vl@fidra.de>
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*/
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class CopySourceFile : public CopySource
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{
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public:
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CopySourceFile(const QString& filename, qint32 sectorsize);
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public:
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bool open() override;
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bool readSectors(void* buffer, qint64 readOffset, qint64 numSectors) override;
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qint64 length() const override;
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qint32 sectorSize() const override {
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return m_SectorSize; /**< @return the file's sector size */
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}
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bool overlaps(const CopyTarget&) const override {
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return false; /**< @return false for file */
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}
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qint64 firstSector() const override {
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return 0; /**< @return 0 for file */
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}
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qint64 lastSector() const override {
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return length(); /**< @return equal to length for file. @see length() */
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}
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protected:
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QFile& file() {
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return m_File;
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}
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const QFile& file() const {
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return m_File;
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}
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protected:
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QFile m_File;
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qint32 m_SectorSize;
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};
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#endif
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