Disk ARchive
2.6.8
Full featured and portable backup and archiving tool
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) 2002-2020 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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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#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 "
libdar.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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hide_file(
const
hide_file & ref) =
default
;
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hide_file & operator = (
const
hide_file & ref) =
default
;
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~hide_file() =
default
;
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virtual
bool
skippable(skippability direction,
const
infinint
& amount)
override
{
return
true
; };
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virtual
bool
skip(
const
infinint
& pos)
override
;
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virtual
bool
skip_to_eof()
override
;
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virtual
bool
skip_relative(S_I x)
override
;
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virtual
infinint
get_position()
const override
;
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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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virtual
void
inherited_read_ahead(
const
infinint
& amount)
override
{ ref->
read_ahead
(amount); };
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virtual
U_I inherited_read(
char
*a, U_I size)
override
;
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virtual
void
inherited_write(
const
char
*a,
size_t
size)
override
;
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virtual
void
inherited_sync_write()
override
{};
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virtual
void
inherited_flush_read()
override
{};
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virtual
void
inherited_terminate()
override
{};
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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()
const
;
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};
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#endif
libdar::infinint
the arbitrary large positive integer class
Definition:
real_infinint.hpp:61
generic_file.hpp
class generic_file is defined here as well as class fichier
libdar::generic_file::read_ahead
void read_ahead(const infinint &amount)
libdar::generic_file
this is the interface class from which all other data transfer classes inherit
Definition:
generic_file.hpp:76
libdar.hpp
the main file of the libdar API definitions
libdar
libdar namespace encapsulate all libdar symbols
Definition:
archive.hpp:46
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