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/*
* PSX-Tools Bundle Pack
* Copyright (C) 2002-2005 Nicolas "Pixel" Noble
*
* 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 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
*/
#ifndef __SLIDING_WINDOW_H__
#define __SLIDING_WINDOW_H__
#include <Exceptions.h>
#include <recycle.h>
class sliding_window : public Base {
public:
struct entry_tree_t;
struct d_list_t {
struct entry_t * p;
struct d_list_t * next;
};
struct distance_t {
Uint32 d;
struct d_list_t * entries;
};
struct entry_tree_t {
struct entry_tree_t * hash[256];
struct distance_t * d;
};
sliding_window(Uint32 max_window, Uint32 max_size);
virtual ~sliding_window();
void push_byte(Uint8);
void push_bytes(Uint8 *, Uint32 size);
private:
struct entry_tree_t * root_entries[256];
Uint8 * stack;
Uint32 max_window;
Uint32 max_size;
reroot * entries_recycle;
Uint32 current_size;
};
#endif
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