gparted/include/Partition.h

156 lines
5.0 KiB
C++

/* Copyright (C) 2004 Bart
* Copyright (C) 2008, 2009, 2010 Curtis Gedak
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/* READ THIS!!
* Partition isn't really a partition. It's more like a geometry, a continuous part of the disk.
* I use it to represent partitions as well as unallocated spaces
*/
#ifndef GPARTED_PARTITION_H
#define GPARTED_PARTITION_H
#include "../include/Utils.h"
namespace GParted
{
enum PartitionType {
TYPE_PRIMARY = 0,
TYPE_LOGICAL = 1,
TYPE_EXTENDED = 2,
TYPE_UNALLOCATED = 3
};
enum PartitionStatus {
STAT_REAL = 0,
STAT_NEW = 1,
STAT_COPY = 2,
STAT_FORMATTED = 3
};
enum PartitionAlignment {
ALIGN_CYLINDER = 0, //Align to nearest cylinder
ALIGN_MEBIBYTE = 1, //Align to nearest mebibyte
ALIGN_STRICT = 2 //Strict alignment - no rounding
// Indicator if start and end sectors must remain unchanged
};
class Partition
{
public:
Partition() ;
Partition( const Glib::ustring & path ) ;
~Partition() ;
void Reset() ;
//simple Set-functions. only for convenience, since most members are public
void Set( const Glib::ustring & device_path,
const Glib::ustring & partition,
int partition_number,
PartitionType type,
FILESYSTEM filesystem,
Sector sector_start,
Sector sector_end,
Byte_Value sector_size,
bool inside_extended,
bool busy ) ;
void set_sector_usage( Sector sectors_fs_size, Sector sectors_fs_unused ) ;
bool sector_usage_known() const ;
Sector estimated_min_size() const ;
Sector get_sectors_used() const ;
Sector get_sectors_unused() const ;
Sector get_sectors_unallocated() const ;
void get_usage_triple( int imax, int & i1, int & i2, int & i3 ) const ;
void Set_Unallocated( const Glib::ustring & device_path,
Sector sector_start,
Sector sector_end,
Byte_Value sector_size,
bool inside_extended );
//update partition number (used when a logical partition is deleted)
void Update_Number( int new_number );
void add_path( const Glib::ustring & path, bool clear_paths = false ) ;
void add_paths( const std::vector<Glib::ustring> & paths, bool clear_paths = false ) ;
Byte_Value get_byte_length() const ;
Sector get_sector_length() const ;
Glib::ustring get_path() const ;
std::vector<Glib::ustring> get_paths() const ;
void add_mountpoint( const Glib::ustring & mountpoint, bool clear_mountpoints = false ) ;
void add_mountpoints( const std::vector<Glib::ustring> & mountpoints, bool clear_mountpoints = false ) ;
Glib::ustring get_mountpoint() const ;
void clear_mountpoints() ;
std::vector<Glib::ustring> get_mountpoints() const ;
Sector get_sector() const ;
bool test_overlap( const Partition & partition ) const ;
bool filesystem_label_known() const;
Glib::ustring get_filesystem_label() const;
void set_filesystem_label( const Glib::ustring & filesystem_label );
bool operator==( const Partition & partition ) const ;
bool operator!=( const Partition & partition ) const ;
//some public members
Glib::ustring device_path ;
int partition_number;
PartitionType type;// UNALLOCATED, PRIMARY, LOGICAL, etc...
PartitionStatus status; //STAT_REAL, STAT_NEW, etc..
PartitionAlignment alignment; //ALIGN_CYLINDER, ALIGN_STRICT, etc
FILESYSTEM filesystem ;
Glib::ustring uuid ;
Glib::ustring name;
Sector sector_start;
Sector sector_end;
Sector sectors_used;
Sector sectors_unused;
Sector sectors_unallocated; //Difference between the size of the partition and the file system
Sector significant_threshold; //Threshold from intrinsic to significant unallocated sectors
Gdk::Color color;
bool inside_extended;
bool busy;
std::vector<Glib::ustring> messages ;
std::vector<Glib::ustring> flags ;
std::vector<Partition> logicals ;
bool strict_start ; //Indicator if start sector must stay unchanged
Sector free_space_before ; //Free space preceding partition value
Byte_Value sector_size ; //Sector size of the disk device needed for converting to/from sectors and bytes.
private:
static void get_usage_triple_helper( Sector stot, Sector s1, Sector s2, Sector s3, int imax, int & i1, int & i2, int & i3 ) ;
void sort_paths_and_remove_duplicates() ;
Sector calc_significant_unallocated_sectors() const ;
static bool compare_paths( const Glib::ustring & A, const Glib::ustring & B ) ;
std::vector<Glib::ustring> paths ;
std::vector<Glib::ustring> mountpoints ;
bool have_filesystem_label;
Glib::ustring filesystem_label;
};
}//GParted
#endif /* GPARTED_PARTITION_H */