freebsd-dev/gnu/usr.bin/groff/xditview/DviChar.h

38 lines
1.0 KiB
C

/*
* DviChar.h
*
* descriptions for mapping dvi names to
* font indexes and back. Dvi fonts are all
* 256 elements (actually only 256-32 are usable).
*
* The encoding names are taken from X -
* case insensitive, a dash separating the
* CharSetRegistry from the CharSetEncoding
*/
# define DVI_MAX_SYNONYMS 10
# define DVI_MAP_SIZE 256
# define DVI_HASH_SIZE 256
typedef struct _dviCharNameHash {
struct _dviCharNameHash *next;
char *name;
int position;
} DviCharNameHash;
typedef struct _dviCharNameMap {
char *encoding;
int special;
char *dvi_names[DVI_MAP_SIZE][DVI_MAX_SYNONYMS];
DviCharNameHash *buckets[DVI_HASH_SIZE];
} DviCharNameMap;
extern DviCharNameMap *DviFindMap ( /* char *encoding */ );
extern void DviRegisterMap ( /* DviCharNameMap *map */ );
#ifdef NOTDEF
extern char *DviCharName ( /* DviCharNameMap *map, int index, int synonym */ );
#else
#define DviCharName(map,index,synonym) ((map)->dvi_names[index][synonym])
#endif
extern int DviCharIndex ( /* DviCharNameMap *map, char *name */ );