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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1996 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#include "standard.h" |
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|
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#include "paths.h" |
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|
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#include <ctype.h> |
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#include "object.h" |
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int invert = 0; /* boolean true to invert surfaces */ |
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int expand = 0; /* boolean true to expand commands */ |
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int expand = 1; /* boolean true to expand commands */ |
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|
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char *newmod = NULL; /* new modifier for surfaces */ |
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char *idprefix = NULL; /* prefix for object identifiers */ |
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|
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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#define ALIAS NUMOTYPE /* put alias at end of array */ |
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|
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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#define NUMTYPES (NUMOTYPE+1) /* total number of object types */ |
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|
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FUN ofun[NUMTYPES] = INIT_OTYPE; /* default types and actions */ |
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short tinvers[NUMOTYPE]; /* inverse types for surfaces */ |
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int nrept = 1; /* number of array repetitions */ |
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|
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extern char *malloc(), *fgetword(); |
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|
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#define progname (xav[0]) |
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char *mainfn[MAXPATH]; /* main file name */ |
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FILE *mainfp = NULL; /* main file pointer */ |
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|
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#define progname (xav[0]) |
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|
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main(argc, argv) /* get transform options and transform file */ |
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int argc; |
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char *argv[]; |
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{ |
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FILE *fopen(); |
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FILE *fp; |
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char *fname; |
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int a; |
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/* check for array */ |
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for (a = 1; a < argc; a++) |
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break; |
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idprefix = argv[++a]; |
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continue; |
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case 'c': |
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if (argv[a][2]) |
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break; |
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expand = 0; |
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continue; |
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case 'e': |
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if (argv[a][2]) |
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break; |
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printf(" %s", xav[a]); |
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putchar('\n'); |
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/* transform input */ |
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if (xac == argc) |
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xform("standard input", stdin); |
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else |
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if (xac == argc) { |
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openmain(NULL); |
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xform(mainfn, mainfp); |
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} else |
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for (a = xac; a < argc; a++) { |
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if ((fp = fopen(argv[a], "r")) == NULL) { |
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fprintf(stderr, "%s: cannot open \"%s\"\n", |
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progname, argv[a]); |
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exit(1); |
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} |
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xform(argv[a], fp); |
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fclose(fp); |
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openmain(argv[a]); |
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xform(mainfn, mainfp); |
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} |
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|
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return(0); |
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char *newav[256], **avp; |
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char newid[128], repts[32]; |
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char *oldid = NULL; |
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int i, err; |
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int n, i, err; |
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|
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avp = newav+2; |
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avp[0] = av[0]; |
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avp = newav; |
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ac += 2; |
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} |
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nrept *= n = atoi(av[ai+1]); |
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err = 0; |
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for (i = 0; i < atoi(av[ai+1]); i++) { |
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for (i = 0; i < n; i++) { |
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if (oldid == NULL) |
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sprintf(newid, "a%d", i); |
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else |
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char *name; |
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register FILE *fin; |
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{ |
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int nobjs = 0; |
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register int c; |
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while ((c = getc(fin)) != EOF) { |
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} else if (c == '!') { /* command */ |
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ungetc(c, fin); |
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xfcomm(name, fin); |
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nobjs++; |
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} else { /* object */ |
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ungetc(c, fin); |
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xfobject(name, fin); |
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nobjs++; |
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} |
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} |
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if (nobjs == 0) |
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fprintf(stderr, "%s: (%s): warning - empty file\n", |
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progname, name); |
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} |
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xfcomm(fname, fin) /* transform a command */ |
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char *fname; |
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FILE *fin; |
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{ |
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FILE *popen(); |
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char *fgetline(); |
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extern FILE *popen(); |
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> |
extern char *fgetline(); |
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FILE *pin; |
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char buf[512]; |
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int i; |
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|
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fgetline(buf, sizeof(buf), fin); |
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if (expand) { |
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if (xac > 2) { |
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if ((pin = popen(buf+1, "r")) == NULL) { |
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fprintf(stderr, |
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"%s: (%s): cannot execute \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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} |
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xform(buf, pin); |
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pclose(pin); |
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} else { |
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fflush(stdout); |
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system(buf+1); |
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> |
if ((pin = popen(buf+1, "r")) == NULL) { |
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fprintf(stderr, "%s: (%s): cannot execute \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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} |
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xform(buf, pin); |
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pclose(pin); |
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} else { |
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printf("\n%s", buf); |
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if (xac > 1) { |
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printf(" | %s -e", xav[0]); |
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printf(" | %s", xav[0]); |
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for (i = 1; i < xac; i++) |
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printf(" %s", xav[i]); |
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} |
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progname, fname, typ); |
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exit(1); |
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} |
| 260 |
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if (issurface(fn)) |
| 260 |
> |
if (ismodifier(fn)) |
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> |
printf("\n%s %s ", nam, typ); |
| 262 |
> |
else |
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printf("\n%s %s ", newmod != NULL ? newmod : nam, |
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invert ? ofun[tinvers[fn]].funame : typ); |
| 254 |
– |
else |
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printf("\n%s %s ", nam, typ); |
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/* object name */ |
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fgetword(nam, sizeof(nam), fin); |
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< |
if (idprefix != NULL && issurface(fn)) |
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< |
printf("%s.%s\n", idprefix, nam); |
| 260 |
< |
else |
| 267 |
> |
if (idprefix == NULL || ismodifier(fn)) |
| 268 |
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printf("%s\n", nam); |
| 269 |
+ |
else |
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+ |
printf("%s.%s\n", idprefix, nam); |
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/* transform arguments */ |
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if ((*ofun[fn].funp)(fin) < 0) { |
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fprintf(stderr, "%s: (%s): bad %s \"%s\"\n", |
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FILE *fin; |
| 282 |
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{ |
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register int i; |
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< |
FUNARGS fa; |
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> |
FUNARGS fa; |
| 285 |
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|
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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for (i = 0; i < fa.nsargs; i++) |
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printf(" %s", fa.sarg[i]); |
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printf("\n"); |
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< |
#ifdef IARGS |
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> |
#ifdef IARGS |
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/* integer arguments */ |
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printf("%d", fa.niargs); |
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for (i = 0; i < fa.niargs; i++) |
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{ |
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register int i; |
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int resetarr = 0; |
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< |
FUNARGS fa; |
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> |
FUNARGS fa; |
| 318 |
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|
| 319 |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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for (i = xfa; i < xac; i++) /* add xf arguments */ |
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printf(" %s", xav[i]); |
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printf("\n"); |
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< |
#ifdef IARGS |
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> |
#ifdef IARGS |
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/* integer arguments */ |
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printf("%d", fa.niargs); |
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for (i = 0; i < fa.niargs; i++) |
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m_glow(fin) /* transform arguments for proximity light */ |
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FILE *fin; |
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{ |
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< |
FUNARGS fa; |
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> |
FUNARGS fa; |
| 381 |
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|
| 382 |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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FILE *fin; |
| 397 |
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{ |
| 398 |
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FVECT v; |
| 399 |
< |
FUNARGS fa; |
| 399 |
> |
FUNARGS fa; |
| 400 |
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|
| 401 |
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if (readfargs(&fa, fin) != 1) |
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return(-1); |
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} |
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|
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|
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+ |
m_mist(fin) /* transform arguments for mist */ |
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+ |
FILE *fin; |
| 417 |
+ |
{ |
| 418 |
+ |
FUNARGS fa; |
| 419 |
+ |
int i; |
| 420 |
+ |
|
| 421 |
+ |
if (readfargs(&fa, fin) != 1) |
| 422 |
+ |
return(-1); |
| 423 |
+ |
if (fa.nfargs > 5) |
| 424 |
+ |
return(-1); |
| 425 |
+ |
printf("%d", fa.nsargs); |
| 426 |
+ |
if (idprefix == NULL) |
| 427 |
+ |
for (i = 0; i < fa.nsargs; i++) |
| 428 |
+ |
printf(" %s", fa.sarg[i]); |
| 429 |
+ |
else |
| 430 |
+ |
for (i = 0; i < fa.nsargs; i++) { |
| 431 |
+ |
char sname[256], *sp; |
| 432 |
+ |
register char *cp1, *cp2 = sname; |
| 433 |
+ |
/* add idprefix */ |
| 434 |
+ |
for (sp = fa.sarg[i]; *sp; sp = cp1) { |
| 435 |
+ |
for (cp1 = idprefix; *cp1; ) |
| 436 |
+ |
*cp2++ = *cp1++; |
| 437 |
+ |
*cp2++ = '.'; |
| 438 |
+ |
for (cp1 = sp; *cp1 && |
| 439 |
+ |
(*cp2++ = *cp1++) != '>'; ) |
| 440 |
+ |
; |
| 441 |
+ |
} |
| 442 |
+ |
*cp2 = '\0'; |
| 443 |
+ |
printf(" %s", sname); |
| 444 |
+ |
} |
| 445 |
+ |
printf("\n0\n%d", fa.nfargs); |
| 446 |
+ |
if (fa.nfargs > 2) |
| 447 |
+ |
printf(" %12.6g %12.6g %12.6g", fa.farg[0]/tot.sca, |
| 448 |
+ |
fa.farg[1]/tot.sca, fa.farg[2]/tot.sca); |
| 449 |
+ |
if (fa.nfargs > 3) |
| 450 |
+ |
printf(" %12.6g", fa.farg[3]); |
| 451 |
+ |
if (fa.nfargs > 4) |
| 452 |
+ |
printf(" %12.6g", fa.farg[4]); |
| 453 |
+ |
printf("\n"); |
| 454 |
+ |
freefargs(&fa); |
| 455 |
+ |
return(0); |
| 456 |
+ |
} |
| 457 |
+ |
|
| 458 |
+ |
|
| 459 |
|
m_dielectric(fin) /* transform arguments for dielectric */ |
| 460 |
|
FILE *fin; |
| 461 |
|
{ |
| 462 |
< |
double pow(); |
| 410 |
< |
FUNARGS fa; |
| 462 |
> |
FUNARGS fa; |
| 463 |
|
|
| 464 |
|
if (readfargs(&fa, fin) != 1) |
| 465 |
|
return(-1); |
| 466 |
|
if (fa.nsargs != 0 || fa.nfargs != 5) |
| 467 |
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return(-1); |
| 468 |
|
printf("0\n0\n5"); |
| 469 |
< |
printf(" %18.12g %18.12g %18.12g", |
| 469 |
> |
printf(" %12.6g %12.6g %12.6g", |
| 470 |
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pow(fa.farg[0], 1.0/tot.sca), |
| 471 |
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pow(fa.farg[1], 1.0/tot.sca), |
| 472 |
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pow(fa.farg[2], 1.0/tot.sca)); |
| 473 |
< |
printf(" %18.12g %18.12g\n", fa.farg[3], fa.farg[4]); |
| 473 |
> |
printf(" %12.6g %12.6g\n", fa.farg[3], fa.farg[4]); |
| 474 |
|
freefargs(&fa); |
| 475 |
|
return(0); |
| 476 |
|
} |
| 479 |
|
m_interface(fin) /* transform arguments for interface */ |
| 480 |
|
FILE *fin; |
| 481 |
|
{ |
| 482 |
< |
double pow(); |
| 431 |
< |
FUNARGS fa; |
| 482 |
> |
FUNARGS fa; |
| 483 |
|
|
| 484 |
|
if (readfargs(&fa, fin) != 1) |
| 485 |
|
return(-1); |
| 486 |
|
if (fa.nsargs != 0 || fa.nfargs != 8) |
| 487 |
|
return(-1); |
| 488 |
|
printf("0\n0\n8\n"); |
| 489 |
< |
printf("%18.12g %18.12g %18.12g", |
| 489 |
> |
printf("%12.6g %12.6g %12.6g", |
| 490 |
|
pow(fa.farg[0], 1.0/tot.sca), |
| 491 |
|
pow(fa.farg[1], 1.0/tot.sca), |
| 492 |
|
pow(fa.farg[2], 1.0/tot.sca)); |
| 493 |
< |
printf(" %18.12g\n", fa.farg[3]); |
| 494 |
< |
printf("%18.12g %18.12g %18.12g", |
| 493 |
> |
printf(" %12.6g\n", fa.farg[3]); |
| 494 |
> |
printf("%12.6g %12.6g %12.6g", |
| 495 |
|
pow(fa.farg[4], 1.0/tot.sca), |
| 496 |
|
pow(fa.farg[5], 1.0/tot.sca), |
| 497 |
|
pow(fa.farg[6], 1.0/tot.sca)); |
| 498 |
< |
printf(" %18.12g\n", fa.farg[7]); |
| 498 |
> |
printf(" %12.6g\n", fa.farg[7]); |
| 499 |
|
freefargs(&fa); |
| 500 |
|
return(0); |
| 501 |
|
} |
| 506 |
|
{ |
| 507 |
|
int i; |
| 508 |
|
FVECT v; |
| 509 |
< |
FUNARGS fa; |
| 509 |
> |
FUNARGS fa; |
| 510 |
|
|
| 511 |
|
if (readfargs(&fa, fin) != 1) |
| 512 |
|
return(-1); |
| 513 |
< |
if (fa.nfargs != 9 && fa.nfargs != 11 && fa.nfargs != 15) |
| 513 |
> |
if (fa.nfargs < 9) |
| 514 |
|
return(-1); |
| 515 |
|
/* string arguments */ |
| 516 |
|
printf("%d", fa.nsargs); |
| 525 |
|
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
| 526 |
|
/* down vector */ |
| 527 |
|
multv3(v, fa.farg+6, tot.xfm); |
| 528 |
< |
printf(" %18.12g %18.12g %18.12g\n", v[0], v[1], v[2]); |
| 529 |
< |
/* forground and background */ |
| 530 |
< |
if (fa.nfargs == 11) |
| 531 |
< |
printf(" %18.12g %18.12g\n", fa.farg[9], fa.farg[10]); |
| 532 |
< |
else if (fa.nfargs == 15) { |
| 533 |
< |
printf(" %18.12g %18.12g %18.12g\n", |
| 483 |
< |
fa.farg[9], fa.farg[10], fa.farg[11]); |
| 484 |
< |
printf(" %18.12g %18.12g %18.12g\n", |
| 485 |
< |
fa.farg[12], fa.farg[13], fa.farg[14]); |
| 528 |
> |
printf(" %18.12g %18.12g %18.12g", v[0], v[1], v[2]); |
| 529 |
> |
/* remaining arguments */ |
| 530 |
> |
for (i = 9; i < fa.nfargs; i++) { |
| 531 |
> |
if (i%3 == 0) |
| 532 |
> |
putchar('\n'); |
| 533 |
> |
printf(" %18.12g", fa.farg[i]); |
| 534 |
|
} |
| 535 |
+ |
putchar('\n'); |
| 536 |
|
freefargs(&fa); |
| 537 |
|
return(0); |
| 538 |
|
} |
| 542 |
|
FILE *fin; |
| 543 |
|
{ |
| 544 |
|
FVECT dv; |
| 545 |
< |
FUNARGS fa; |
| 545 |
> |
FUNARGS fa; |
| 546 |
|
|
| 547 |
|
if (readfargs(&fa, fin) != 1) |
| 548 |
|
return(-1); |
| 563 |
|
FILE *fin; |
| 564 |
|
{ |
| 565 |
|
FVECT cent; |
| 566 |
< |
double rad; |
| 567 |
< |
FUNARGS fa; |
| 566 |
> |
double rad; |
| 567 |
> |
FUNARGS fa; |
| 568 |
|
|
| 569 |
|
if (readfargs(&fa, fin) != 1) |
| 570 |
|
return(-1); |
| 571 |
|
if (fa.nsargs != 0 || fa.nfargs != 4) |
| 572 |
|
return(-1); |
| 573 |
|
|
| 574 |
< |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
| 574 |
> |
multp3(cent, fa.farg, tot.xfm); /* transform center */ |
| 575 |
|
|
| 576 |
|
rad = fa.farg[3] * tot.sca; /* scale radius */ |
| 577 |
|
|
| 588 |
|
{ |
| 589 |
|
FVECT p; |
| 590 |
|
register int i; |
| 591 |
< |
FUNARGS fa; |
| 591 |
> |
FUNARGS fa; |
| 592 |
|
|
| 593 |
|
if (readfargs(&fa, fin) != 1) |
| 594 |
|
return(-1); |
| 613 |
|
FILE *fin; |
| 614 |
|
{ |
| 615 |
|
FVECT p0, p1; |
| 616 |
< |
double r0, r1; |
| 617 |
< |
FUNARGS fa; |
| 616 |
> |
double r0, r1; |
| 617 |
> |
FUNARGS fa; |
| 618 |
|
|
| 619 |
|
if (readfargs(&fa, fin) != 1) |
| 620 |
|
return(-1); |
| 640 |
|
FILE *fin; |
| 641 |
|
{ |
| 642 |
|
FVECT p0, p1; |
| 643 |
< |
double rad; |
| 644 |
< |
FUNARGS fa; |
| 643 |
> |
double rad; |
| 644 |
> |
FUNARGS fa; |
| 645 |
|
|
| 646 |
|
if (readfargs(&fa, fin) != 1) |
| 647 |
|
return(-1); |
| 665 |
|
FILE *fin; |
| 666 |
|
{ |
| 667 |
|
FVECT p0, pd; |
| 668 |
< |
double r0, r1; |
| 669 |
< |
FUNARGS fa; |
| 668 |
> |
double r0, r1; |
| 669 |
> |
FUNARGS fa; |
| 670 |
|
|
| 671 |
|
if (readfargs(&fa, fin) != 1) |
| 672 |
|
return(-1); |
| 694 |
|
|
| 695 |
|
initotypes() /* initialize ofun[] array */ |
| 696 |
|
{ |
| 648 |
– |
extern int o_source(); |
| 649 |
– |
extern int o_sphere(); |
| 650 |
– |
extern int o_face(); |
| 651 |
– |
extern int o_cone(); |
| 652 |
– |
extern int o_cylinder(); |
| 653 |
– |
extern int o_ring(); |
| 654 |
– |
extern int m_glow(); |
| 655 |
– |
extern int m_spot(); |
| 656 |
– |
extern int m_dielectric(); |
| 657 |
– |
extern int m_interface(); |
| 658 |
– |
extern int text(); |
| 659 |
– |
extern int alias(); |
| 660 |
– |
extern int passargs(); |
| 661 |
– |
extern int addxform(); |
| 697 |
|
register int i; |
| 698 |
|
|
| 699 |
|
if (ofun[OBJ_SOURCE].funp == o_source) |
| 720 |
|
ofun[MAT_SPOT].funp = m_spot; |
| 721 |
|
ofun[MAT_DIELECTRIC].funp = m_dielectric; |
| 722 |
|
ofun[MAT_INTERFACE].funp = m_interface; |
| 723 |
+ |
ofun[MAT_MIST].funp = m_mist; |
| 724 |
|
ofun[PAT_CTEXT].funp = |
| 725 |
|
ofun[PAT_BTEXT].funp = |
| 726 |
|
ofun[MIX_TEXT].funp = text; |
| 727 |
|
ofun[ALIAS].funp = alias; |
| 728 |
|
/* surface inverses */ |
| 729 |
+ |
tinvers[OBJ_FACE] = OBJ_FACE; |
| 730 |
|
tinvers[OBJ_SOURCE] = OBJ_SOURCE; |
| 731 |
|
tinvers[OBJ_CONE] = OBJ_CUP; |
| 732 |
|
tinvers[OBJ_CUP] = OBJ_CONE; |
| 737 |
|
tinvers[OBJ_TUBE] = OBJ_CYLINDER; |
| 738 |
|
tinvers[OBJ_INSTANCE] = OBJ_INSTANCE; /* oh, well */ |
| 739 |
|
} |
| 740 |
+ |
|
| 741 |
+ |
|
| 742 |
+ |
#ifdef OLDXFORM |
| 743 |
+ |
openmain(fname) |
| 744 |
+ |
char *fname; |
| 745 |
+ |
{ |
| 746 |
+ |
if (fname == NULL) { |
| 747 |
+ |
strcpy(mainfn, "standard input"); |
| 748 |
+ |
mainfp = stdin; |
| 749 |
+ |
return; |
| 750 |
+ |
} |
| 751 |
+ |
if (mainfp != NULL) { |
| 752 |
+ |
if (!strcmp(fname, mainfn)) { |
| 753 |
+ |
rewind(mainfp); |
| 754 |
+ |
return; |
| 755 |
+ |
} |
| 756 |
+ |
fclose(mainfp); |
| 757 |
+ |
} |
| 758 |
+ |
if ((mainfp = fopen(fname, "r")) == NULL) { |
| 759 |
+ |
fprintf(stderr, "%s: cannot open file \"%s\"\n", |
| 760 |
+ |
progname, fname); |
| 761 |
+ |
exit(1); |
| 762 |
+ |
} |
| 763 |
+ |
strcpy(mainfn, fname); |
| 764 |
+ |
} |
| 765 |
+ |
#else |
| 766 |
+ |
openmain(fname) /* open fname for input, changing to its directory */ |
| 767 |
+ |
char *fname; |
| 768 |
+ |
{ |
| 769 |
+ |
extern FILE *tmpfile(); |
| 770 |
+ |
extern char *getlibpath(), *getpath(); |
| 771 |
+ |
static char origdir[MAXPATH]; |
| 772 |
+ |
static char curfn[MAXPATH]; |
| 773 |
+ |
static int diffdir; |
| 774 |
+ |
register char *fpath; |
| 775 |
+ |
|
| 776 |
+ |
if (fname == NULL) { /* standard input */ |
| 777 |
+ |
if (mainfp == NULL) { |
| 778 |
+ |
register int c; |
| 779 |
+ |
strcpy(mainfn, "standard input"); |
| 780 |
+ |
if (nrept <= 1) { |
| 781 |
+ |
mainfp = stdin; |
| 782 |
+ |
return; /* just read once */ |
| 783 |
+ |
} |
| 784 |
+ |
/* else copy */ |
| 785 |
+ |
if ((mainfp = tmpfile()) == NULL) { |
| 786 |
+ |
fprintf(stderr, |
| 787 |
+ |
"%s: cannot create temporary file\n", |
| 788 |
+ |
progname); |
| 789 |
+ |
exit(1); |
| 790 |
+ |
} |
| 791 |
+ |
while ((c = getc(stdin)) != EOF) |
| 792 |
+ |
putc(c, mainfp); |
| 793 |
+ |
fclose(stdin); |
| 794 |
+ |
} |
| 795 |
+ |
rewind(mainfp); /* rewind copy */ |
| 796 |
+ |
return; |
| 797 |
+ |
} |
| 798 |
+ |
if (mainfp == NULL) { /* first call, initialize */ |
| 799 |
+ |
getwd(origdir); |
| 800 |
+ |
} else if (!strcmp(fname, curfn)) { /* just need to rewind? */ |
| 801 |
+ |
rewind(mainfp); |
| 802 |
+ |
return; |
| 803 |
+ |
} else { /* else close old stream */ |
| 804 |
+ |
fclose(mainfp); |
| 805 |
+ |
if (diffdir) { |
| 806 |
+ |
chdir(origdir); |
| 807 |
+ |
diffdir = 0; |
| 808 |
+ |
} |
| 809 |
+ |
} |
| 810 |
+ |
strcpy(curfn, fname); /* remember file name */ |
| 811 |
+ |
/* get full path */ |
| 812 |
+ |
if ((fpath = getpath(fname, getlibpath(), R_OK)) == NULL) { |
| 813 |
+ |
fprintf(stderr, "%s: cannot find file \"%s\"\n", |
| 814 |
+ |
progname, fname); |
| 815 |
+ |
exit(1); |
| 816 |
+ |
} |
| 817 |
+ |
if (fpath[0] == '.' && ISDIRSEP(fpath[1])) /* remove leading ./ */ |
| 818 |
+ |
fpath += 2; |
| 819 |
+ |
/* record path name */ |
| 820 |
+ |
strcpy(mainfn, fpath); |
| 821 |
+ |
if (expand) { /* change to local directory */ |
| 822 |
+ |
register char *cp = fpath + strlen(fpath); /* get dir. */ |
| 823 |
+ |
while (cp > fpath) { |
| 824 |
+ |
cp--; |
| 825 |
+ |
if (ISDIRSEP(*cp)) { |
| 826 |
+ |
if (cp == fpath) |
| 827 |
+ |
cp++; /* root special case */ |
| 828 |
+ |
break; |
| 829 |
+ |
} |
| 830 |
+ |
} |
| 831 |
+ |
*cp = '\0'; |
| 832 |
+ |
if (fpath[0]) { /* change to new directory? */ |
| 833 |
+ |
if (chdir(fpath) < 0) { |
| 834 |
+ |
fprintf(stderr, |
| 835 |
+ |
"%s: cannot change directory to \"%s\"\n", |
| 836 |
+ |
progname, fpath); |
| 837 |
+ |
exit(1); |
| 838 |
+ |
} |
| 839 |
+ |
diffdir++; |
| 840 |
+ |
} |
| 841 |
+ |
/* get final path component */ |
| 842 |
+ |
for (fpath = fname+strlen(fname); |
| 843 |
+ |
fpath > fname && !ISDIRSEP(fpath[-1]); fpath--) |
| 844 |
+ |
; |
| 845 |
+ |
} |
| 846 |
+ |
/* open the file */ |
| 847 |
+ |
if ((mainfp = fopen(fpath, "r")) == NULL) { |
| 848 |
+ |
fprintf(stderr, "%s: cannot open file \"%s\"\n", |
| 849 |
+ |
progname, mainfn); |
| 850 |
+ |
exit(1); |
| 851 |
+ |
} |
| 852 |
+ |
} |
| 853 |
+ |
#endif |