gparted/src/Utils.cc

335 lines
8.8 KiB
C++

/* Copyright (C) 2004, 2005, 2006, 2007, 2008 Bart Hakvoort
*
* 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/Utils.h"
#include <sstream>
#include <iomanip>
#include <regex.h>
namespace GParted
{
Sector Utils::round( double double_value )
{
return static_cast<Sector>( double_value + 0.5 ) ;
}
Gtk::Label * Utils::mk_label( const Glib::ustring & text,
bool use_markup,
Gtk::AlignmentEnum x_align,
Gtk::AlignmentEnum y_align,
bool wrap,
const Glib::ustring & text_color )
{
Gtk::Label * label = manage( new Gtk::Label( text, x_align, y_align ) ) ;
label ->set_use_markup( use_markup ) ;
label ->set_line_wrap( wrap ) ;
if ( text_color != "black" )
{
Gdk::Color color( text_color ) ;
label ->modify_fg( label ->get_state(), color ) ;
}
return label ;
}
Glib::ustring Utils::num_to_str( Sector number, bool use_C_locale )
{
std::stringstream ss ;
//ss.imbue( std::locale( use_C_locale ? "C" : "" ) ) ; see #157871
ss << number ;
return ss .str() ;
}
//use http://developer.gnome.org/projects/gup/hig/2.0/design.html#Palette as a starting point..
Glib::ustring Utils::get_color( FILESYSTEM filesystem )
{
switch( filesystem )
{
case FS_UNALLOCATED : return "#A9A9A9" ;
case FS_UNKNOWN : return "#000000" ;
case FS_UNFORMATTED : return "#000000" ;
case FS_EXTENDED : return "#7DFCFE" ;
case FS_EXT2 : return "#9DB8D2" ;
case FS_EXT3 : return "#7590AE" ;
case FS_LINUX_SWAP : return "#C1665A" ;
case FS_FAT16 : return "#00FF00" ;
case FS_FAT32 : return "#18D918" ;
case FS_NTFS : return "#42E5AC" ;
case FS_REISERFS : return "#ADA7C8" ;
case FS_REISER4 : return "#887FA3" ;
case FS_XFS : return "#EED680" ;
case FS_JFS : return "#E0C39E" ;
case FS_HFS : return "#E0B6AF" ;
case FS_HFSPLUS : return "#C0A39E" ;
case FS_UFS : return "#D1940C" ;
case FS_USED : return "#F8F8BA" ;
case FS_UNUSED : return "#FFFFFF" ;
default : return "#000000" ;
}
}
Glib::RefPtr<Gdk::Pixbuf> Utils::get_color_as_pixbuf( FILESYSTEM filesystem, int width, int height )
{
Glib::RefPtr<Gdk::Pixbuf> pixbuf = Gdk::Pixbuf::create( Gdk::COLORSPACE_RGB, false, 8, width, height ) ;
if ( pixbuf )
{
std::stringstream hex( get_color( filesystem ) .substr( 1 ) + "00" ) ;
unsigned long dec ;
hex >> std::hex >> dec ;
pixbuf ->fill( dec ) ;
}
return pixbuf ;
}
Glib::ustring Utils::get_filesystem_string( FILESYSTEM filesystem )
{
switch( filesystem )
{
case FS_UNALLOCATED : return _("unallocated") ;
case FS_UNKNOWN : return _("unknown") ;
case FS_UNFORMATTED : return _("unformatted") ;
case FS_EXTENDED : return "extended" ;
case FS_EXT2 : return "ext2" ;
case FS_EXT3 : return "ext3" ;
case FS_LINUX_SWAP : return "linux-swap" ;
case FS_FAT16 : return "fat16" ;
case FS_FAT32 : return "fat32" ;
case FS_NTFS : return "ntfs" ;
case FS_REISERFS : return "reiserfs" ;
case FS_REISER4 : return "reiser4" ;
case FS_XFS : return "xfs" ;
case FS_JFS : return "jfs" ;
case FS_HFS : return "hfs" ;
case FS_HFSPLUS : return "hfs+" ;
case FS_UFS : return "ufs" ;
case FS_USED : return _("used") ;
case FS_UNUSED : return _("unused") ;
default : return "" ;
}
}
Glib::ustring Utils::format_size( Sector size )
{
std::stringstream ss ;
//ss .imbue( std::locale( "" ) ) ; see #157871
ss << std::setiosflags( std::ios::fixed ) << std::setprecision( 2 ) ;
if ( size < KIBIBYTE )
{
ss << sector_to_unit( size, UNIT_BYTE ) ;
return String::ucompose( _("%1 B"), ss .str() ) ;
}
else if ( size < MEBIBYTE )
{
ss << sector_to_unit( size, UNIT_KIB ) ;
return String::ucompose( _("%1 KiB"), ss .str() ) ;
}
else if ( size < GIBIBYTE )
{
ss << sector_to_unit( size, UNIT_MIB ) ;
return String::ucompose( _("%1 MiB"), ss .str() ) ;
}
else if ( size < TEBIBYTE )
{
ss << sector_to_unit( size, UNIT_GIB ) ;
return String::ucompose( _("%1 GiB"), ss .str() ) ;
}
else
{
ss << sector_to_unit( size, UNIT_TIB ) ;
return String::ucompose( _("%1 TiB"), ss .str() ) ;
}
}
Glib::ustring Utils::format_time( std::time_t seconds )
{
Glib::ustring time ;
int unit = static_cast<int>( seconds / 3600 ) ;
if ( unit < 10 )
time += "0" ;
time += num_to_str( unit ) + ":" ;
seconds %= 3600 ;
unit = static_cast<int>( seconds / 60 ) ;
if ( unit < 10 )
time += "0" ;
time += num_to_str( unit ) + ":" ;
seconds %= 60 ;
if ( seconds < 10 )
time += "0" ;
time += num_to_str( seconds ) ;
return time ;
}
double Utils::sector_to_unit( Sector sectors, SIZE_UNIT size_unit )
{
switch ( size_unit )
{
case UNIT_BYTE :
return sectors * 512 ;
case UNIT_KIB :
return sectors / static_cast<double>( KIBIBYTE ) ;
case UNIT_MIB :
return sectors / static_cast<double>( MEBIBYTE ) ;
case UNIT_GIB :
return sectors / static_cast<double>( GIBIBYTE ) ;
case UNIT_TIB :
return sectors / static_cast<double>( TEBIBYTE ) ;
default:
return sectors ;
}
}
int Utils::execute_command( const Glib::ustring & command )
{
Glib::ustring dummy ;
return execute_command( command, dummy, dummy ) ;
}
int Utils::execute_command( const Glib::ustring & command,
Glib::ustring & output,
Glib::ustring & error,
bool use_C_locale )
{
int exit_status = -1 ;
std::string std_out, std_error ;
try
{
if ( use_C_locale )
{
std::vector<std::string> envp, argv;
envp .push_back( "LC_ALL=C" ) ;
envp .push_back( "PATH=" + Glib::getenv( "PATH" ) ) ;
argv .push_back( "sh" ) ;
argv .push_back( "-c" ) ;
argv .push_back( command ) ;
Glib::spawn_sync( ".",
argv,
envp,
Glib::SPAWN_SEARCH_PATH,
sigc::slot<void>(),
&std_out,
&std_error,
&exit_status ) ;
}
else
Glib::spawn_command_line_sync( "sh -c '" + command + "'", &std_out, &std_error, &exit_status ) ;
}
catch ( Glib::Exception & e )
{
error = e .what() ;
return -1 ;
}
output = std_out ;
error = std_error ;
return exit_status ;
}
Glib::ustring Utils::regexp_label( const Glib::ustring & text,
const Glib::ustring & regular_sub_expression )
{
//Extract text from a regular sub-expression. E.g., "text we don't want (text we want)"
Glib::ustring label = "";
regex_t preg ;
int nmatch = 2 ;
regmatch_t pmatch[ 2 ] ;
int rc = regcomp( &preg, regular_sub_expression .c_str(), REG_EXTENDED | REG_ICASE | REG_NEWLINE ) ;
if ( ( rc == 0 ) //Reg compile OK
&& ( regexec( &preg, text .c_str(), nmatch, pmatch, 0 ) == 0 ) //Match found
)
{
label = text .substr( pmatch[1].rm_so, pmatch[1].rm_eo - pmatch[1].rm_so ) ;
}
return label ;
}
Glib::ustring Utils::create_mtoolsrc_file( char file_name[], const char drive_letter,
const Glib::ustring & device_path )
{
//Create mtools config file
//NOTE: file_name will be changed by the mkstemp() function call.
Glib::ustring err_msg = "" ;
int fd ;
fd = mkstemp( file_name ) ;
if( fd != -1 ) {
Glib::ustring fcontents =
_("# Temporary file created by gparted. It may be deleted.\n") ;
//The following file contents are mtools keywords (see man mtools.conf)
fcontents = String::ucompose(
"drive %1: file=\"%2\"\nmtools_skip_check=1\n", drive_letter, device_path
);
if( write( fd, fcontents .c_str(), fcontents .size() ) == -1 ) {
err_msg = String::ucompose(
_("Label operation failed: Unable to write to temporary file %1.\n")
, file_name
) ;
}
close( fd ) ;
}
else
{
err_msg = String::ucompose(
_("Label operation failed: Unable to create temporary file %1.\n")
, file_name
) ;
}
return err_msg ;
}
Glib::ustring Utils::delete_mtoolsrc_file( const char file_name[] )
{
//Delete mtools config file
Glib::ustring err_msg = "" ;
remove( file_name ) ;
return err_msg ;
}
Glib::ustring Utils::trim( const Glib::ustring & src, const Glib::ustring & c /* = " \t\r\n" */ )
{
//Trim leading and trailing whitespace from string
Glib::ustring::size_type p2 = src.find_last_not_of(c);
if (p2 == Glib::ustring::npos) return Glib::ustring();
Glib::ustring::size_type p1 = src.find_first_not_of(c);
if (p1 == Glib::ustring::npos) p1 = 0;
return src.substr(p1, (p2-p1)+1);
}
} //GParted..