gparted/src/FS_Info.cc

103 lines
2.6 KiB
C++

/* Copyright (C) 2008 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "../include/FS_Info.h"
namespace GParted
{
//initialize static data element
Glib::ustring FS_Info::fs_info_cache = "";
FS_Info::FS_Info()
{
//Ensure that cache has been loaded at least once
if ( fs_info_cache == "" )
load_fs_info_cache() ;
}
FS_Info:: FS_Info( bool do_refresh )
{
if ( do_refresh )
load_fs_info_cache() ;
}
FS_Info::~FS_Info()
{
}
void FS_Info::load_fs_info_cache()
{
Glib::ustring output, error ;
if ( ! Glib::find_program_in_path( "blkid" ) .empty() )
{
if ( ! Utils::execute_command( "blkid -c /dev/null", output, error, true ) )
fs_info_cache = output ;
else
fs_info_cache = "" ;
}
}
Glib::ustring FS_Info::get_device_entry( const Glib::ustring & path )
{
//Retrieve the line containing the device path
Glib::ustring regexp = "^" + path + ":([^\n]*)$" ;
Glib::ustring entry = Utils::regexp_label( fs_info_cache, regexp ) ;
return entry;
}
Glib::ustring FS_Info::get_fs_type( const Glib::ustring & path )
{
Glib::ustring fs_type = "" ;
//Retrieve the line containing the device path
Glib::ustring temp = get_device_entry( path ) ;
//Retrieve TYPE
fs_type = Utils::regexp_label( temp, "TYPE=\"([^\"]*)\"" ) ;
return fs_type ;
}
Glib::ustring FS_Info::get_label( const Glib::ustring & path, bool & found )
{
Glib::ustring label = "" ;
found = false ;
//Retrieve the line containing the device path
Glib::ustring temp = get_device_entry( path ) ;
//Set indicator if LABEL found
if ( Utils::regexp_label( temp, "(LABEL=\")") != "" )
found = true ;
//Retrieve LABEL
label = Utils::regexp_label( temp, "LABEL=\"([^\"]*)\"" ) ;
return label ;
}
Glib::ustring FS_Info::get_uuid( const Glib::ustring & path )
{
//Retrieve the line containing the device path
Glib::ustring temp = get_device_entry( path ) ;
//Retrieve the UUID
Glib::ustring uuid = Utils::regexp_label( temp, "UUID=\"([^\"]*)\"" ) ;
return uuid ;
}
}//GParted