1/*
2 * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
3 * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice including the dates of first publication and
13 * either this permission notice or a reference to
14 * http://oss.sgi.com/projects/FreeB/
15 * shall be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
22 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Except as contained in this notice, the name of Silicon Graphics, Inc.
26 * shall not be used in advertising or otherwise to promote the sale, use or
27 * other dealings in this Software without prior written authorization from
28 * Silicon Graphics, Inc.
29 */
30
31/*
32 * maplist.h
33 *
34 */
35
36#ifndef __glumaplist_h_
37#define __glumaplist_h_
38
39#include "types.h"
40#include "defines.h"
41#include "bufpool.h"
42
43class Backend;
44class Mapdesc;
45
46class Maplist {
47public:
48			Maplist( Backend & );
49    void 		define( long, int, int );
50    inline void 	undefine( long );
51    inline int		isMap( long );
52
53    void 		initialize( void );
54    Mapdesc * 		find( long );
55    Mapdesc * 		locate( long );
56
57private:
58    Pool		mapdescPool;
59    Mapdesc *		maps;
60    Mapdesc **		lastmap;
61    Backend &		backend;
62
63    void 		add( long, int, int );
64    void 		remove( Mapdesc * );
65    void		freeMaps( void );
66};
67
68inline int
69Maplist::isMap( long type )
70{
71    return (locate( type ) ? 1 : 0);
72}
73
74inline void
75Maplist::undefine( long type )
76{
77    Mapdesc *m = locate( type );
78    assert( m != 0 );
79    remove( m );
80}
81#endif /* __glumaplist_h_ */
82