59 lines
2.2 KiB
C++
59 lines
2.2 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 modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (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, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#if !defined(COPYSOURCE__H)
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#define COPYSOURCE__H
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#include <qglobal.h>
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class QString;
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class CopyTarget;
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/** @brief Base class for something to copy from.
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Abstract base class for all copy sources. Used in combination with CopyTarget
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to implement moving, copying, backing up and restoring FileSystems.
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@see CopyTarget
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@author vl@fidra.de
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*/
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class CopySource
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{
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Q_DISABLE_COPY(CopySource)
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protected:
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CopySource() {}
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virtual ~CopySource() {}
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public:
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virtual bool open() = 0;
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virtual qint32 sectorSize() const = 0;
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virtual bool readSectors(void* buffer, qint64 readOffset, qint64 numSectors) = 0;
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virtual qint64 length() const = 0;
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virtual bool overlaps(const CopyTarget& target) const = 0;
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virtual qint64 firstSector() const = 0;
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virtual qint64 lastSector() const = 0;
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private:
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};
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#endif
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