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src
dar_suite
hide_file.hpp
Go to the documentation of this file.
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/*********************************************************************/
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// dar - disk archive - a backup/restoration program
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// Copyright (C) 2002-2052 Denis Corbin
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (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 Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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// to contact the author : http://dar.linux.free.fr/email.html
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/*********************************************************************/
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// $Id: hide_file.hpp,v 1.18 2011/04/17 13:12:29 edrusb Rel $
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//
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/*********************************************************************/
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#ifndef HIDE_FILE_HPP
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#define HIDE_FILE_HPP
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#include "../my_config.h"
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#include <vector>
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#include "
infinint.hpp
"
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#include "
generic_file.hpp
"
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using namespace
libdar;
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using namespace
std;
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class
hide_file :
public
generic_file
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{
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public
:
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hide_file(
generic_file
&f);
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bool
skip(
const
infinint
& pos);
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bool
skip_to_eof();
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bool
skip_relative(S_I x);
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infinint
get_position();
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protected
:
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struct
partie
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{
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infinint
debut, longueur;
// debut is the offset in ref file
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infinint
offset;
// offset in the resulting file
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};
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vector <partie> morceau;
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generic_file
*ref;
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U_I inherited_read(
char
*a, U_I size);
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void
inherited_write(
const
char
*a,
size_t
size);
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void
inherited_sync_write() {};
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void
inherited_terminate() {};
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virtual
void
fill_morceau() = 0;
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// the inherited classes have with this method
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// to fill the "morceau" variable that defines
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// the portions
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private
:
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U_I pos_index;
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infinint
pos_relicat;
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bool
is_init;
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void
init();
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};
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#endif
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