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Diffstat (limited to 'src/glu/sgi/libtess/dict.h')
| -rw-r--r-- | src/glu/sgi/libtess/dict.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/glu/sgi/libtess/dict.h b/src/glu/sgi/libtess/dict.h new file mode 100644 index 00000000000..ea3b4064ff1 --- /dev/null +++ b/src/glu/sgi/libtess/dict.h @@ -0,0 +1,107 @@ +/* +** License Applicability. Except to the extent portions of this file are +** made subject to an alternative license as permitted in the SGI Free +** Software License B, Version 1.1 (the "License"), the contents of this +** file are subject only to the provisions of the License. You may not use +** this file except in compliance with the License. You may obtain a copy +** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +** +** http://oss.sgi.com/projects/FreeB +** +** Note that, as provided in the License, the Software is distributed on an +** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +** +** Original Code. The Original Code is: OpenGL Sample Implementation, +** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +** Copyright in any portions created by third parties is as indicated +** elsewhere herein. All Rights Reserved. +** +** Additional Notice Provisions: The application programming interfaces +** established by SGI in conjunction with the Original Code are The +** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +** Window System(R) (Version 1.3), released October 19, 1998. This software +** was created using the OpenGL(R) version 1.2.1 Sample Implementation +** published by SGI, but has not been independently verified as being +** compliant with the OpenGL(R) version 1.2.1 Specification. +** +*/ +/* +** Author: Eric Veach, July 1994. +** +** $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $ +** $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libtess/dict.h,v 1.1 2001/03/17 00:25:41 brianp Exp $ +*/ + +#ifndef __dict_list_h_ +#define __dict_list_h_ + +/* Use #define's so that another heap implementation can use this one */ + +#define DictKey DictListKey +#define Dict DictList +#define DictNode DictListNode + +#define dictNewDict(frame,leq) __gl_dictListNewDict(frame,leq) +#define dictDeleteDict(dict) __gl_dictListDeleteDict(dict) + +#define dictSearch(dict,key) __gl_dictListSearch(dict,key) +#define dictInsert(dict,key) __gl_dictListInsert(dict,key) +#define dictInsertBefore(dict,node,key) __gl_dictListInsertBefore(dict,node,key) +#define dictDelete(dict,node) __gl_dictListDelete(dict,node) + +#define dictKey(n) __gl_dictListKey(n) +#define dictSucc(n) __gl_dictListSucc(n) +#define dictPred(n) __gl_dictListPred(n) +#define dictMin(d) __gl_dictListMin(d) +#define dictMax(d) __gl_dictListMax(d) + + + +typedef void *DictKey; +typedef struct Dict Dict; +typedef struct DictNode DictNode; + +Dict *dictNewDict( + void *frame, + int (*leq)(void *frame, DictKey key1, DictKey key2) ); + +void dictDeleteDict( Dict *dict ); + +/* Search returns the node with the smallest key greater than or equal + * to the given key. If there is no such key, returns a node whose + * key is NULL. Similarly, Succ(Max(d)) has a NULL key, etc. + */ +DictNode *dictSearch( Dict *dict, DictKey key ); +DictNode *dictInsertBefore( Dict *dict, DictNode *node, DictKey key ); +void dictDelete( Dict *dict, DictNode *node ); + +#define __gl_dictListKey(n) ((n)->key) +#define __gl_dictListSucc(n) ((n)->next) +#define __gl_dictListPred(n) ((n)->prev) +#define __gl_dictListMin(d) ((d)->head.next) +#define __gl_dictListMax(d) ((d)->head.prev) +#define __gl_dictListInsert(d,k) (dictInsertBefore((d),&(d)->head,(k))) + + +/*** Private data structures ***/ + +struct DictNode { + DictKey key; + DictNode *next; + DictNode *prev; +}; + +struct Dict { + DictNode head; + void *frame; + int (*leq)(void *frame, DictKey key1, DictKey key2); +}; + +#endif |