74 lines
2.6 KiB
C++
74 lines
2.6 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(KPMCORE_COPYSOURCEDEVICE_H)
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#define KPMCORE_COPYSOURCEDEVICE_H
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#include "core/copysource.h"
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#include "util/libpartitionmanagerexport.h"
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#include <QtGlobal>
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class Device;
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class CopyTarget;
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class CoreBackendDevice;
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/** A Device to copy from.
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Represents a Device to copy from. Used to copy a Partition to somewhere on the same or
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another Device or to backup its FileSystem to a file.
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@author Volker Lanz <vl@fidra.de>
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*/
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class CopySourceDevice : public CopySource
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{
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Q_DISABLE_COPY(CopySourceDevice)
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public:
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CopySourceDevice(Device& d, qint64 firstbyte, qint64 lastbyte);
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~CopySourceDevice();
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public:
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bool open() override;
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bool readData(QByteArray& buffer, qint64 readOffset, qint64 size) override;
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qint64 length() const override;
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bool overlaps(const CopyTarget& target) const override;
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qint64 firstByte() const override {
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return m_FirstByte; /**< @return first byte to copy */
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}
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qint64 lastByte() const override {
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return m_LastByte; /**< @return last byte to copy */
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}
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Device& device() {
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return m_Device; /**< @return Device to copy from */
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}
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const Device& device() const {
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return m_Device; /**< @return Device to copy from */
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}
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protected:
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Device& m_Device;
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const qint64 m_FirstByte;
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const qint64 m_LastByte;
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CoreBackendDevice* m_BackendDevice
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;
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};
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#endif
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