You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.5 KiB
70 lines
2.5 KiB
#ifndef LPC_MANAGER_H1103129409_INCLUDE_GUARD_
|
|
#define LPC_MANAGER_H1103129409_INCLUDE_GUARD_
|
|
|
|
/* This file is part of indexlib.
|
|
* Copyright (C) 2005 Luís Pedro Coelho <luis@luispedro.org>
|
|
*
|
|
* Indexlib is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License, version 2, as
|
|
* published by the Free Software Foundation and available as file
|
|
* GPL_V2 which is distributed along with indexlib.
|
|
*
|
|
* Indexlib 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, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
* MA 02110-1301, USA
|
|
*
|
|
* In addition, as a special exception, the copyright holders give
|
|
* permission to link the code of this program with any edition of
|
|
* the TQt library by Trolltech AS, Norway (or with modified versions
|
|
* of TQt that use the same license as TQt), and distribute linked
|
|
* combinations including the two. You must obey the GNU General
|
|
* Public License in all respects for all of the code used other than
|
|
* TQt. If you modify this file, you may extend this exception to
|
|
* your version of the file, but you are not obligated to do so. If
|
|
* you do not wish to do so, delete this exception statement from
|
|
* your version.
|
|
*/
|
|
|
|
/**
|
|
* This gets memory and accesses it.
|
|
*
|
|
*/
|
|
class memory_manager {
|
|
public:
|
|
virtual ~memory_manager() { }
|
|
/**
|
|
* Return a reference to the memory at position \idx.
|
|
* An important interface bug is that it is not specified how far from \idx you
|
|
* can safely access.
|
|
*/
|
|
virtual const unsigned char* ronly_base( unsigned idx ) const = 0;
|
|
/**
|
|
* Like \ref ronly_base except you can write on the block
|
|
*/
|
|
virtual unsigned char* rw_base( unsigned ) const = 0;
|
|
/** Returns the size of the block */
|
|
virtual unsigned size() const = 0;
|
|
/** Resizes the block.
|
|
* This invalidates all previously returned pointers
|
|
*/
|
|
virtual void resize( unsigned ) = 0;
|
|
};
|
|
|
|
template <memory_manager* ( *get_parent )()>
|
|
struct thing_manager {
|
|
public:
|
|
|
|
const unsigned char* ronly_base( unsigned idx ) const { return get_parent()->ronly_base( idx ); }
|
|
unsigned char* rw_base( unsigned idx ) const { return get_parent()->rw_base( idx ); }
|
|
};
|
|
|
|
|
|
|
|
#endif /* LPC_MANAGER_H1103129409_INCLUDE_GUARD_ */
|