gparted/src/Operation.cc

97 lines
3.0 KiB
C++

/* Copyright (C) 2004 Bart
* Copyright (C) 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/>.
*/
#include "../include/Operation.h"
namespace GParted
{
Operation::Operation()
{
}
int Operation::find_index_original( const std::vector<Partition> & partitions )
{
for ( unsigned int t = 0 ; t < partitions .size() ; t++ )
if ( partition_original .sector_start >= partitions[ t ] .sector_start &&
partition_original .sector_end <= partitions[ t ] .sector_end )
return t ;
return -1 ;
}
int Operation::find_index_extended( const std::vector<Partition> & partitions )
{
for ( unsigned int t = 0 ; t < partitions .size() ; t++ )
if ( partitions[ t ] .type == GParted::TYPE_EXTENDED )
return t ;
return -1 ;
}
void Operation::insert_unallocated( std::vector<Partition> & partitions, Sector start, Sector end, Byte_Value sector_size, bool inside_extended )
{
Partition UNALLOCATED ;
UNALLOCATED.Set_Unallocated( device.get_path(), false, 0LL, 0LL, sector_size, inside_extended );
//if there are no partitions at all..
if ( partitions .empty() )
{
UNALLOCATED .sector_start = start ;
UNALLOCATED .sector_end = end ;
partitions .push_back( UNALLOCATED );
return ;
}
//start <---> first partition start
if ( (partitions .front() .sector_start - start) > (MEBIBYTE / sector_size) )
{
UNALLOCATED .sector_start = start ;
UNALLOCATED .sector_end = partitions .front() .sector_start -1 ;
partitions .insert( partitions .begin(), UNALLOCATED );
}
//look for gaps in between
for ( unsigned int t =0 ; t < partitions .size() -1 ; t++ )
{
if ( ( ( partitions[ t + 1 ] .sector_start - partitions[ t ] .sector_end - 1 ) > (MEBIBYTE / sector_size) )
|| ( ( partitions[ t + 1 ] .type != TYPE_LOGICAL ) // Only show exactly 1 MiB if following partition is not logical.
&& ( ( partitions[ t + 1 ] .sector_start - partitions[ t ] .sector_end - 1 ) == (MEBIBYTE / sector_size) )
)
)
{
UNALLOCATED .sector_start = partitions[ t ] .sector_end +1 ;
UNALLOCATED .sector_end = partitions[ t +1 ] .sector_start -1 ;
partitions .insert( partitions .begin() + ++t, UNALLOCATED );
}
}
//last partition end <---> end
if ( (end - partitions .back() .sector_end ) >= (MEBIBYTE / sector_size) )
{
UNALLOCATED .sector_start = partitions .back() .sector_end +1 ;
UNALLOCATED .sector_end = end ;
partitions .push_back( UNALLOCATED );
}
}
} //GParted