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 |
|
|
348 |
|
char *fn; |
349 |
|
{ |
350 |
|
MG_FCTXT cntxt; |
351 |
< |
int rval; |
351 |
> |
register int rval; |
352 |
|
|
353 |
|
if ((rval = mg_open(&cntxt, fn)) != MG_OK) { |
354 |
|
fprintf(stderr, "%s: %s\n", fn, mg_err[rval]); |
355 |
|
return(rval); |
356 |
|
} |
357 |
< |
while (mg_read()) /* parse each line */ |
357 |
> |
while ((rval = mg_read()) > 0) { /* parse each line */ |
358 |
> |
if (rval >= MG_MAXLINE-1 && cntxt.inpline[rval-1] != '\n') { |
359 |
> |
fprintf(stderr, "%s: %d: %s\n", cntxt.fname, |
360 |
> |
cntxt.lineno, mg_err[rval=MG_ELINE]); |
361 |
> |
break; |
362 |
> |
} |
363 |
|
if ((rval = mg_parse()) != MG_OK) { |
364 |
|
fprintf(stderr, "%s: %d: %s:\n%s", cntxt.fname, |
365 |
|
cntxt.lineno, mg_err[rval], |
366 |
|
cntxt.inpline); |
367 |
|
break; |
368 |
|
} |
369 |
+ |
} |
370 |
|
mg_close(); |
371 |
|
return(rval); |
372 |
|
} |
373 |
|
|
374 |
|
|
375 |
+ |
int |
376 |
+ |
mg_defuhand(ac, av) /* default handler for unknown entities */ |
377 |
+ |
int ac; |
378 |
+ |
char **av; |
379 |
+ |
{ |
380 |
+ |
if (mg_nunknown++ == 0) /* report first incident */ |
381 |
+ |
fprintf(stderr, "%s: %d: %s: %s\n", mg_file->fname, |
382 |
+ |
mg_file->lineno, mg_err[MG_EUNK], av[0]); |
383 |
+ |
return(MG_OK); |
384 |
+ |
} |
385 |
+ |
|
386 |
+ |
|
387 |
|
void |
388 |
|
mg_clear() /* clear parser history */ |
389 |
|
{ |
414 |
|
char *xfarg[MG_MAXARGC]; |
415 |
|
MG_FCTXT ictx; |
416 |
|
XF_SPEC *xf_orig = xf_context; |
417 |
< |
int rv; |
417 |
> |
register int rv; |
418 |
|
|
419 |
|
if (ac < 2) |
420 |
|
return(MG_EARGC); |
431 |
|
return(rv); |
432 |
|
} |
433 |
|
do { |
434 |
< |
while (mg_read()) |
434 |
> |
while ((rv = mg_read()) > 0) { |
435 |
> |
if (rv >= MG_MAXLINE-1 && ictx.inpline[rv-1] != '\n') { |
436 |
> |
fprintf(stderr, "%s: %d: %s\n", ictx.fname, |
437 |
> |
ictx.lineno, mg_err[MG_ELINE]); |
438 |
> |
mg_close(); |
439 |
> |
return(MG_EINCL); |
440 |
> |
} |
441 |
|
if ((rv = mg_parse()) != MG_OK) { |
442 |
|
fprintf(stderr, "%s: %d: %s:\n%s", ictx.fname, |
443 |
|
ictx.lineno, mg_err[rv], |
445 |
|
mg_close(); |
446 |
|
return(MG_EINCL); |
447 |
|
} |
448 |
+ |
} |
449 |
|
if (ac > 2) |
450 |
|
if ((rv = mg_handle(MG_E_XF, 1, xfarg)) != MG_OK) |
451 |
|
return(rv); |
746 |
|
static char *p4ent[5] = {mg_ename[MG_E_POINT],p4[0],p4[1],p4[2]}; |
747 |
|
static char *n4ent[5] = {mg_ename[MG_E_NORMAL],n4[0],n4[1],n4[2]}; |
748 |
|
static char *fent[6] = {mg_ename[MG_E_FACE],"_cv1","_cv2","_cv3","_cv4"}; |
749 |
+ |
char *v1n; |
750 |
|
register C_VERTEX *cv1, *cv2; |
751 |
|
register int i, j; |
752 |
|
FVECT u, v, w; |
762 |
|
if ((cv1 = c_getvert(av[1])) == NULL || |
763 |
|
(cv2 = c_getvert(av[3])) == NULL) |
764 |
|
return(MG_EUNDEF); |
765 |
+ |
v1n = av[1]; |
766 |
|
if (!isflt(av[2]) || !isflt(av[4])) |
767 |
|
return(MG_ETYPE); |
768 |
|
rad1 = atof(av[2]); |
781 |
|
cv = cv1; |
782 |
|
cv1 = cv2; |
783 |
|
cv2 = cv; |
784 |
+ |
v1n = av[3]; |
785 |
|
d = rad1; |
786 |
|
rad1 = rad2; |
787 |
|
rad2 = d; |
815 |
|
if ((rv = mg_handle(MG_E_NORMAL, 4, n3ent)) != MG_OK) |
816 |
|
return(rv); |
817 |
|
if (rad1 == 0.) { /* triangles */ |
818 |
< |
v1ent[3] = av[1]; |
818 |
> |
v1ent[3] = v1n; |
819 |
|
if ((rv = mg_handle(MG_E_VERTEX, 4, v1ent)) != MG_OK) |
820 |
|
return(rv); |
821 |
|
for (j = 0; j < 3; j++) |