27 |
|
|
28 |
|
int (*mg_ehand[MG_NENTITIES])(); |
29 |
|
|
30 |
+ |
/* Handler routine for unknown entities */ |
31 |
+ |
|
32 |
+ |
int (*mg_uhand)() = mg_defuhand; |
33 |
+ |
|
34 |
+ |
unsigned mg_nunknown; /* count of unknown entities */ |
35 |
+ |
|
36 |
|
/* error messages */ |
37 |
|
|
38 |
|
char *mg_err[MG_NERRS] = MG_ERRLIST; |
209 |
|
{ |
210 |
|
int rv; |
211 |
|
|
212 |
< |
if (en < 0 && (en = mg_entity(av[0])) < 0) |
212 |
> |
if (en < 0 && (en = mg_entity(av[0])) < 0) { /* unknown entity */ |
213 |
> |
if (mg_uhand != NULL) |
214 |
> |
return((*mg_uhand)(ac, av)); |
215 |
|
return(MG_EUNK); |
216 |
< |
if (e_supp[en] != NULL) { |
216 |
> |
} |
217 |
> |
if (e_supp[en] != NULL) { /* support handler */ |
218 |
|
if ((rv = (*e_supp[en])(ac, av)) != MG_OK) |
219 |
|
return(rv); |
220 |
|
} |
221 |
< |
return((*mg_ehand[en])(ac, av)); |
221 |
> |
return((*mg_ehand[en])(ac, av)); /* assigned handler */ |
222 |
|
} |
223 |
|
|
224 |
|
|
366 |
|
} |
367 |
|
|
368 |
|
|
369 |
+ |
int |
370 |
+ |
mg_defuhand(ac, av) /* default handler for unknown entities */ |
371 |
+ |
int ac; |
372 |
+ |
char **av; |
373 |
+ |
{ |
374 |
+ |
if (mg_nunknown++ == 0) /* report first incident */ |
375 |
+ |
fprintf(stderr, "%s: %d: %s: %s\n", mg_file->fname, |
376 |
+ |
mg_file->lineno, mg_err[MG_EUNK], av[0]); |
377 |
+ |
return(MG_OK); |
378 |
+ |
} |
379 |
+ |
|
380 |
+ |
|
381 |
|
void |
382 |
|
mg_clear() /* clear parser history */ |
383 |
|
{ |
733 |
|
static char *p4ent[5] = {mg_ename[MG_E_POINT],p4[0],p4[1],p4[2]}; |
734 |
|
static char *n4ent[5] = {mg_ename[MG_E_NORMAL],n4[0],n4[1],n4[2]}; |
735 |
|
static char *fent[6] = {mg_ename[MG_E_FACE],"_cv1","_cv2","_cv3","_cv4"}; |
736 |
+ |
char *v1n; |
737 |
|
register C_VERTEX *cv1, *cv2; |
738 |
|
register int i, j; |
739 |
|
FVECT u, v, w; |
749 |
|
if ((cv1 = c_getvert(av[1])) == NULL || |
750 |
|
(cv2 = c_getvert(av[3])) == NULL) |
751 |
|
return(MG_EUNDEF); |
752 |
+ |
v1n = av[1]; |
753 |
|
if (!isflt(av[2]) || !isflt(av[4])) |
754 |
|
return(MG_ETYPE); |
755 |
|
rad1 = atof(av[2]); |
768 |
|
cv = cv1; |
769 |
|
cv1 = cv2; |
770 |
|
cv2 = cv; |
771 |
+ |
v1n = av[3]; |
772 |
|
d = rad1; |
773 |
|
rad1 = rad2; |
774 |
|
rad2 = d; |
802 |
|
if ((rv = mg_handle(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
803 |
|
return(rv); |
804 |
|
if (rad1 == 0.) { /* triangles */ |
805 |
< |
v1ent[3] = av[1]; |
805 |
> |
v1ent[3] = v1n; |
806 |
|
if ((rv = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
807 |
|
return(rv); |
808 |
|
for (j = 0; j < 3; j++) |