1 /*
2  * DviChar.h
3  *
4  * descriptions for mapping dvi names to
5  * font indexes and back.  Dvi fonts are all
6  * 256 elements (actually only 256-32 are usable).
7  *
8  * The encoding names are taken from X -
9  * case insensitive, a dash separating the
10  * CharSetRegistry from the CharSetEncoding
11  */
12 
13 #include "config.h"
14 
15 # define DVI_MAX_SYNONYMS	10
16 # define DVI_MAP_SIZE		256
17 # define DVI_HASH_SIZE		256
18 
19 typedef struct _dviCharNameHash {
20 	struct _dviCharNameHash	*next;
21 	char			*name;
22 	int			position;
23 } DviCharNameHash;
24 
25 typedef struct _dviCharNameMap {
26     char		*encoding;
27     int			special;
28 #ifdef ENABLE_MULTIBYTE
29     void (*char2XChar2b)(/* int c, XChar2b *xc */);
30     int (*char_index)(/* struct _dviCharNameMap *map, char *name */);
31 #endif
32     char		*dvi_names[DVI_MAP_SIZE][DVI_MAX_SYNONYMS];
33     DviCharNameHash	*buckets[DVI_HASH_SIZE];
34 } DviCharNameMap;
35 
36 extern DviCharNameMap	*DviFindMap ( /* char *encoding */ );
37 extern void		DviRegisterMap ( /* DviCharNameMap *map */ );
38 #ifdef NOTDEF
39 extern char		*DviCharName ( /* DviCharNameMap *map, int index, int synonym */ );
40 #else
41 #define DviCharName(map,index,synonym)	((map)->dvi_names[index][synonym])
42 #endif
43 extern int		DviCharIndex ( /* DviCharNameMap *map, char *name */ );
44