129 lines
4.3 KiB
C++
129 lines
4.3 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(PARTITIONTABLE__H)
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#define PARTITIONTABLE__H
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#include "core/partitionnode.h"
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#include "core/partitionrole.h"
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#include <QList>
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#include <qglobal.h>
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class Device;
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class Partition;
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class LibParted;
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/** @brief The partition table (a.k.a Disk Label)
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PartitionTable represents a partition table (or disk label). The current implementation makes quite
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a number of assumptions that are only true for MSDOS disk labels.
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PartitionTable has child nodes that represent Partitions.
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@author vl@fidra.de
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*/
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class PartitionTable : public PartitionNode
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{
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Q_DISABLE_COPY(PartitionTable)
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friend class LibParted;
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public:
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/** Partition flags as defined by libparted */
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enum Flag
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{
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FlagNone = 0,
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FlagBoot = 1,
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FlagRoot = 2,
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FlagSwap = 4,
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FlagHidden = 8,
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FlagRaid = 16,
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FlagLvm = 32,
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FlagLba = 64,
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FlagHpService = 128,
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FlagPalo = 256,
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FlagPrep = 512,
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FlagMsftReserved = 1024
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};
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Q_DECLARE_FLAGS(Flags, Flag)
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public:
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PartitionTable();
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~PartitionTable();
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public:
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PartitionNode* parent() { return NULL; } /**< @return always NULL for PartitionTable */
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const PartitionNode* parent() const { return NULL; } /**< @return always NULL for PartitionTable */
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bool isRoot() const { return true; } /**< @return always true for PartitionTable */
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bool isReadOnly() const { return m_ReadOnly; } /**< @return true if the PartitionTable is read only */
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Partitions& children() { return m_Children; } /**< @return the children in this PartitionTable */
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const Partitions& children() const { return m_Children; } /**< @return the children in this PartitionTable */
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void append(Partition* partition);
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qint64 freeSectorsBefore(const Partition& p) const;
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qint64 freeSectorsAfter(const Partition& p) const;
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bool hasExtended() const;
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Partition* extended();
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PartitionRole::Roles childRoles(const Partition& p) const;
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int numPrimaries() const;
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int maxPrimaries() const { return m_MaxPrimaries; } /**< @return max number of primary partitions this PartitionTable can handle */
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const QString& typeName() const { return m_TypeName; } /**< @return the name of this PartitionTable type according to libparted */
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void updateUnallocated(const Device& d);
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void insertUnallocated(const Device& d, PartitionNode* p, qint64 start) const;
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static QList<Flag> flagList();
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static QString flagName(Flag f);
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static QStringList flagNames(Flags f);
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static void removeUnallocated(PartitionNode* p);
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void removeUnallocated();
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static bool isSnapped(const Device& d, const Partition& p);
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static bool snap(const Device& d, Partition& p, const Partition* originalPartition = NULL);
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protected:
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void clear();
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void setMaxPrimaries(qint32 n) { m_MaxPrimaries = n; }
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void setTypeName(const QString& s);
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void setReadOnly(bool b) { m_ReadOnly = b; }
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private:
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Partitions m_Children;
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qint32 m_MaxPrimaries;
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QString m_TypeName;
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bool m_ReadOnly;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(PartitionTable::Flags)
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#endif
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