1 |
#ifndef lint |
2 |
static const char RCSid[] = "$Id: rcollate.c,v 2.40 2022/03/16 17:36:45 greg Exp $"; |
3 |
#endif |
4 |
/* |
5 |
* Utility to re-order records in a binary or ASCII data file (matrix) |
6 |
*/ |
7 |
|
8 |
#include <stdlib.h> |
9 |
#include <ctype.h> |
10 |
#include "platform.h" |
11 |
#include "rtio.h" |
12 |
#include "resolu.h" |
13 |
#if defined(_WIN32) || defined(_WIN64) |
14 |
#undef ftello |
15 |
#define ftello ftell |
16 |
#undef ssize_t |
17 |
#define ssize_t size_t |
18 |
#else |
19 |
#include <sys/mman.h> |
20 |
#endif |
21 |
|
22 |
#define MAXLEVELS 16 /* max RxC.. block pairs */ |
23 |
|
24 |
typedef struct { |
25 |
void *mapped; /* memory-mapped pointer */ |
26 |
void *base; /* pointer to base memory */ |
27 |
size_t len; /* allocated memory length */ |
28 |
} MEMLOAD; /* file loaded/mapped into memory */ |
29 |
|
30 |
typedef struct { |
31 |
int nw_rec; /* number of words per record */ |
32 |
ssize_t nrecs; /* number of records we found */ |
33 |
char *rec[1]; /* record array (extends struct) */ |
34 |
} RECINDEX; |
35 |
|
36 |
int warnings = 1; /* report warnings? */ |
37 |
|
38 |
char *fmtid = NULL; /* format id */ |
39 |
int comp_size = 0; /* binary bytes/channel */ |
40 |
int n_comp = 0; /* components/record */ |
41 |
int ni_columns = 0; /* number of input columns */ |
42 |
int ni_rows = 0; /* number of input rows */ |
43 |
int no_columns = 0; /* number of output columns */ |
44 |
int no_rows = 0; /* number of output rows */ |
45 |
int transpose = 0; /* transpose rows & cols? */ |
46 |
int i_header = 1; /* input header? */ |
47 |
int o_header = 1; /* output header? */ |
48 |
int outArray[MAXLEVELS][2]; /* output block nesting */ |
49 |
int outLevels = 0; /* number of blocking levels */ |
50 |
int check = 0; /* force data check? */ |
51 |
|
52 |
/* free loaded file */ |
53 |
static void |
54 |
free_load(MEMLOAD *mp) |
55 |
{ |
56 |
if (mp == NULL || (mp->base == NULL) | (mp->len <= 0)) |
57 |
return; |
58 |
#ifdef MAP_FILE |
59 |
if (mp->mapped) |
60 |
munmap(mp->mapped, mp->len); |
61 |
else |
62 |
#endif |
63 |
free(mp->base); |
64 |
mp->mapped = NULL; |
65 |
mp->base = NULL; |
66 |
mp->len = 0; |
67 |
} |
68 |
|
69 |
/* load memory from an input stream, starting from current position */ |
70 |
static int |
71 |
load_stream(MEMLOAD *mp, FILE *fp) |
72 |
{ |
73 |
size_t alloced = 0; |
74 |
char buf[8192]; |
75 |
size_t nr; |
76 |
|
77 |
if (mp == NULL) |
78 |
return(-1); |
79 |
mp->mapped = NULL; |
80 |
mp->base = NULL; |
81 |
mp->len = 0; |
82 |
if (fp == NULL) |
83 |
return(-1); |
84 |
while ((nr = fread(buf, 1, sizeof(buf), fp)) > 0) { |
85 |
if (!alloced) |
86 |
mp->base = malloc(alloced = nr); |
87 |
else if (mp->len+nr > alloced) |
88 |
mp->base = realloc(mp->base, |
89 |
alloced = alloced*(2+(nr==sizeof(buf)))/2+nr); |
90 |
if (mp->base == NULL) |
91 |
return(-1); |
92 |
memcpy((char *)mp->base + mp->len, buf, nr); |
93 |
mp->len += nr; |
94 |
} |
95 |
if (ferror(fp)) { |
96 |
free_load(mp); |
97 |
return(-1); |
98 |
} |
99 |
if (alloced > mp->len*5/4) /* don't waste too much space */ |
100 |
mp->base = realloc(mp->base, mp->len); |
101 |
return(mp->len > 0); |
102 |
} |
103 |
|
104 |
#if defined(_WIN32) || defined(_WIN64) |
105 |
/* too difficult to fix this */ |
106 |
#define load_file load_stream |
107 |
#else |
108 |
/* load a file into memory */ |
109 |
static int |
110 |
load_file(MEMLOAD *mp, FILE *fp) |
111 |
{ |
112 |
int fd; |
113 |
off_t skip, flen, fpos; |
114 |
if (mp == NULL) |
115 |
return(-1); |
116 |
mp->mapped = NULL; |
117 |
mp->base = NULL; |
118 |
mp->len = 0; |
119 |
if (fp == NULL) |
120 |
return(-1); |
121 |
fd = fileno(fp); |
122 |
skip = ftello(fp); |
123 |
flen = lseek(fd, 0, SEEK_END); |
124 |
if (flen <= skip) |
125 |
return((int)(flen - skip)); |
126 |
mp->len = (size_t)(flen - skip); |
127 |
#ifdef MAP_FILE |
128 |
if (mp->len >= 1L<<20) { /* map file if >= 1 MByte */ |
129 |
mp->mapped = mmap(NULL, flen, PROT_READ, MAP_PRIVATE, fd, 0); |
130 |
if (mp->mapped != MAP_FAILED) { |
131 |
mp->base = (char *)mp->mapped + skip; |
132 |
return(1); /* mmap() success */ |
133 |
} |
134 |
mp->mapped = NULL; /* else fall back to reading it in... */ |
135 |
} |
136 |
#endif |
137 |
if (lseek(fd, skip, SEEK_SET) != skip || |
138 |
(mp->base = malloc(mp->len)) == NULL) { |
139 |
mp->len = 0; |
140 |
return(-1); |
141 |
} |
142 |
fpos = skip; |
143 |
while (fpos < flen) { /* read() fails if n > 2 GBytes */ |
144 |
ssize_t nread = read(fd, (char *)mp->base+(fpos-skip), |
145 |
(flen-fpos < 1L<<24) ? flen-fpos : 1L<<24); |
146 |
if (nread <= 0) { |
147 |
free_load(mp); |
148 |
return(-1); |
149 |
} |
150 |
fpos += nread; |
151 |
} |
152 |
return(1); |
153 |
} |
154 |
#endif |
155 |
|
156 |
/* free a record index */ |
157 |
#define free_records(rp) free(rp) |
158 |
|
159 |
/* compute record index */ |
160 |
static RECINDEX * |
161 |
index_records(const MEMLOAD *mp, int nw_rec) |
162 |
{ |
163 |
int nall = 0; |
164 |
RECINDEX *rp; |
165 |
char *cp, *mend; |
166 |
int n; |
167 |
|
168 |
if (mp == NULL || (mp->base == NULL) | (mp->len <= 0)) |
169 |
return(NULL); |
170 |
if (nw_rec <= 0) |
171 |
return(NULL); |
172 |
nall = 1000; |
173 |
rp = (RECINDEX *)malloc(sizeof(RECINDEX) + nall*sizeof(char *)); |
174 |
if (rp == NULL) |
175 |
return(NULL); |
176 |
rp->nw_rec = nw_rec; |
177 |
rp->nrecs = 0; |
178 |
cp = (char *)mp->base; |
179 |
mend = cp + mp->len; |
180 |
for ( ; ; ) { /* whitespace-separated words */ |
181 |
while (cp < mend && !*cp | isspace(*cp)) |
182 |
++cp; |
183 |
if (cp >= mend) |
184 |
break; |
185 |
if (rp->nrecs >= nall) { |
186 |
nall += nall>>1; /* get more record space */ |
187 |
rp = (RECINDEX *)realloc(rp, |
188 |
sizeof(RECINDEX) + nall*sizeof(char *)); |
189 |
if (rp == NULL) |
190 |
return(NULL); |
191 |
} |
192 |
rp->rec[rp->nrecs++] = cp; /* point to first non-white */ |
193 |
n = rp->nw_rec; |
194 |
while (++cp < mend) /* find end of record */ |
195 |
if (!*cp | isspace(*cp)) { |
196 |
if (--n <= 0) |
197 |
break; /* got requisite # words */ |
198 |
do { /* else find next word */ |
199 |
if (*cp == '\n') { |
200 |
fputs("Unexpected EOL in record!\n", stderr); |
201 |
free_records(rp); |
202 |
return(NULL); |
203 |
} |
204 |
if (++cp >= mend) |
205 |
break; |
206 |
} while (!*cp | isspace(*cp)); |
207 |
} |
208 |
} |
209 |
rp->rec[rp->nrecs] = mend; /* reallocate to save space */ |
210 |
rp = (RECINDEX *)realloc(rp, |
211 |
sizeof(RECINDEX) + rp->nrecs*sizeof(char *)); |
212 |
return(rp); |
213 |
} |
214 |
|
215 |
/* count number of columns based on first EOL */ |
216 |
static int |
217 |
count_columns(const RECINDEX *rp) |
218 |
{ |
219 |
char *cp = rp->rec[0]; |
220 |
char *mend = rp->rec[rp->nrecs]; |
221 |
int i; |
222 |
|
223 |
while (*cp != '\n') |
224 |
if (++cp >= mend) |
225 |
return(0); |
226 |
for (i = 0; i < rp->nrecs; i++) |
227 |
if (rp->rec[i] >= cp) |
228 |
break; |
229 |
return(i); |
230 |
} |
231 |
|
232 |
/* copy nth record from index to stdout */ |
233 |
static int |
234 |
print_record(const RECINDEX *rp, ssize_t n) |
235 |
{ |
236 |
static char delims[] = " \t\n\r\f"; |
237 |
int words2go = rp->nw_rec; |
238 |
char *scp; |
239 |
|
240 |
if ((n < 0) | (n >= rp->nrecs)) |
241 |
return(0); |
242 |
scp = rp->rec[n]; |
243 |
|
244 |
if (check && !isfltd(scp, delims)) |
245 |
goto formerr; |
246 |
do { |
247 |
putc(*scp++, stdout); |
248 |
if (!*scp | isspace(*scp)) { |
249 |
if (--words2go <= 0) |
250 |
break; |
251 |
putc(' ', stdout); /* single space btwn. words */ |
252 |
do |
253 |
if (++scp >= rp->rec[n+1]) |
254 |
break; |
255 |
while (!*scp | isspace(*scp)); |
256 |
|
257 |
if (check && !isfltd(scp, delims)) |
258 |
goto formerr; |
259 |
} |
260 |
} while (scp < rp->rec[n+1]); |
261 |
/* caller adds record sep. */ |
262 |
return(1); |
263 |
formerr: |
264 |
fputs("Badly formed number: ", stderr); |
265 |
while (*scp && !isspace(*scp)) |
266 |
fputc(*scp++, stderr); |
267 |
fputc('\n', stderr); |
268 |
return(0); |
269 |
} |
270 |
|
271 |
/* copy a stream to stdout */ |
272 |
static int |
273 |
output_stream(FILE *fp) |
274 |
{ |
275 |
char buf[8192]; |
276 |
ssize_t n; |
277 |
|
278 |
if (fp == NULL) |
279 |
return(0); |
280 |
fflush(stdout); |
281 |
while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) |
282 |
if (write(fileno(stdout), buf, n) != n) |
283 |
return(0); |
284 |
return(!ferror(fp)); |
285 |
} |
286 |
|
287 |
/* get next word from stream, leaving stream on EOL or start of next word */ |
288 |
static char * |
289 |
fget_word(char buf[256], FILE *fp) |
290 |
{ |
291 |
int c; |
292 |
char *cp; |
293 |
/* skip nul's and white space */ |
294 |
while (!(c = getc(fp)) || isspace(c)) |
295 |
; |
296 |
if (c == EOF) |
297 |
return(NULL); |
298 |
cp = buf; |
299 |
do |
300 |
*cp++ = c; |
301 |
while ((c = getc(fp)) != EOF && !isspace(c) && cp < buf+255); |
302 |
*cp = '\0'; |
303 |
while (isspace(c) & (c != '\n')) |
304 |
c = getc(fp); |
305 |
if (c != EOF) |
306 |
ungetc(c, fp); |
307 |
return(buf); |
308 |
} |
309 |
|
310 |
/* parse RxCx... string */ |
311 |
static int |
312 |
get_array(const char *spec, int blklvl[][2], int nlvls) |
313 |
{ |
314 |
int n; |
315 |
|
316 |
if (nlvls <= 0) { |
317 |
fputs("Too many block levels!\n", stderr); |
318 |
exit(1); |
319 |
} |
320 |
if (sscanf(spec, "%dx%d", &blklvl[0][0], &blklvl[0][1]) != 2) { |
321 |
fputs("Bad block specification!\n", stderr); |
322 |
exit(1); |
323 |
} |
324 |
while (isdigit(*spec)) |
325 |
spec++; |
326 |
spec++; /* 'x' */ |
327 |
while (isdigit(*spec)) |
328 |
spec++; |
329 |
if ((*spec != 'x') & (*spec != 'X')) { |
330 |
if (*spec) { |
331 |
fputs("Blocks must be separated by 'x' or 'X'\n", stderr); |
332 |
exit(1); |
333 |
} |
334 |
return(1); |
335 |
} |
336 |
spec++; |
337 |
n = get_array(spec, blklvl+1, nlvls-1); |
338 |
if (!n) |
339 |
return(0); |
340 |
blklvl[0][0] *= blklvl[1][0]; |
341 |
blklvl[0][1] *= blklvl[1][1]; |
342 |
return(n+1); |
343 |
} |
344 |
|
345 |
/* check settings and assign defaults */ |
346 |
static int |
347 |
check_sizes() |
348 |
{ |
349 |
if (fmtid == NULL) { |
350 |
fmtid = "ascii"; |
351 |
} else if (!comp_size) { |
352 |
if (!strcmp(fmtid, "float")) |
353 |
comp_size = sizeof(float); |
354 |
else if (!strcmp(fmtid, "double")) |
355 |
comp_size = sizeof(double); |
356 |
else if (!strcmp(fmtid, "byte")) |
357 |
comp_size = 1; |
358 |
else if (strcmp(fmtid, "ascii")) { |
359 |
fprintf(stderr, "Unsupported format: %s\n", fmtid); |
360 |
return(0); |
361 |
} |
362 |
} |
363 |
if (transpose && (no_rows <= 0) & (no_columns <= 0)) { |
364 |
if (ni_rows > 0) no_columns = ni_rows; |
365 |
if (ni_columns > 0) no_rows = ni_columns; |
366 |
} else if ((no_rows <= 0) & (no_columns > 0) && |
367 |
!((ni_rows*ni_columns) % no_columns)) |
368 |
no_rows = ni_rows*ni_columns/no_columns; |
369 |
if (n_comp <= 0) |
370 |
n_comp = 3; |
371 |
return(1); |
372 |
} |
373 |
|
374 |
/* call to compute block input position */ |
375 |
static ssize_t |
376 |
get_block_pos(int r, int c, int blklvl[][2], int nlvls) |
377 |
{ |
378 |
ssize_t n = 0; |
379 |
|
380 |
while (nlvls > 1) { |
381 |
int sr = r/blklvl[1][0]; |
382 |
int sc = c/blklvl[1][1]; |
383 |
r -= sr*blklvl[1][0]; |
384 |
c -= sc*blklvl[1][1]; |
385 |
n += sr*blklvl[1][0]*blklvl[0][1] + sc*blklvl[1][0]*blklvl[1][1]; |
386 |
blklvl++; |
387 |
nlvls--; |
388 |
} |
389 |
n += r*blklvl[0][1] + c; |
390 |
return(n); |
391 |
} |
392 |
|
393 |
/* return input offset based on array ordering and transpose option */ |
394 |
static ssize_t |
395 |
get_input_pos(int r, int c) |
396 |
{ |
397 |
ssize_t n; |
398 |
|
399 |
if (outLevels > 1) { /* block reordering */ |
400 |
n = get_block_pos(r, c, outArray, outLevels); |
401 |
if (transpose) { |
402 |
r = n/ni_rows; |
403 |
c = n - r*ni_rows; |
404 |
n = (ssize_t)c*ni_columns + r; |
405 |
} |
406 |
} else if (transpose) /* transpose only */ |
407 |
n = (ssize_t)c*ni_columns + r; |
408 |
else /* XXX should never happen! */ |
409 |
n = (ssize_t)r*no_columns + c; |
410 |
return(n); |
411 |
} |
412 |
|
413 |
/* output reordered ASCII or binary data from memory */ |
414 |
static int |
415 |
do_reorder(const MEMLOAD *mp) |
416 |
{ |
417 |
static const char tabEOL[2] = {'\t','\n'}; |
418 |
RECINDEX *rp = NULL; |
419 |
ssize_t nrecords; |
420 |
int i, j; |
421 |
/* propogate sizes */ |
422 |
if (ni_rows <= 0) |
423 |
ni_rows = transpose ? no_columns : no_rows; |
424 |
if (ni_columns <= 0) |
425 |
ni_columns = transpose ? no_rows : no_columns; |
426 |
/* get # records (& index) */ |
427 |
if (!comp_size) { |
428 |
if ((rp = index_records(mp, n_comp)) == NULL) |
429 |
return(0); |
430 |
if (ni_columns <= 0) |
431 |
ni_columns = count_columns(rp); |
432 |
nrecords = rp->nrecs; |
433 |
} else if ((ni_rows > 0) & (ni_columns > 0)) { |
434 |
nrecords = (ssize_t)ni_rows*ni_columns; |
435 |
if (nrecords > mp->len/(n_comp*comp_size)) { |
436 |
fputs("Input too small for specified size and type\n", |
437 |
stderr); |
438 |
return(0); |
439 |
} |
440 |
} else |
441 |
nrecords = mp->len/(n_comp*comp_size); |
442 |
/* check sizes */ |
443 |
if ((ni_rows <= 0) & (ni_columns > 0)) |
444 |
ni_rows = nrecords/ni_columns; |
445 |
else if ((ni_columns <= 0) & (ni_rows > 0)) |
446 |
ni_columns = nrecords/ni_rows; |
447 |
if (nrecords != (ssize_t)ni_rows*ni_columns) |
448 |
goto badspec; |
449 |
if (transpose) { |
450 |
if (no_columns <= 0) |
451 |
no_columns = ni_rows; |
452 |
if (no_rows <= 0) |
453 |
no_rows = ni_columns; |
454 |
if (outLevels <= 1 && |
455 |
(no_rows != ni_columns) | (no_columns != ni_rows)) |
456 |
goto badspec; |
457 |
} else { |
458 |
if (no_columns <= 0) |
459 |
no_columns = ni_columns; |
460 |
if (no_rows <= 0) |
461 |
no_rows = ni_rows; |
462 |
} |
463 |
if (ni_rows*ni_columns != no_rows*no_columns) { |
464 |
fputs("Number of input and output records do not match\n", |
465 |
stderr); |
466 |
return(0); |
467 |
} |
468 |
if (o_header) { /* finish header? */ |
469 |
printf("NROWS=%d\n", no_rows); |
470 |
printf("NCOLS=%d\n", no_columns); |
471 |
fputformat(fmtid, stdout); |
472 |
fputc('\n', stdout); |
473 |
} |
474 |
/* reorder records */ |
475 |
for (i = 0; i < no_rows; i++) { |
476 |
for (j = 0; j < no_columns; j++) { |
477 |
ssize_t n = get_input_pos(i, j); |
478 |
if (n >= nrecords) { |
479 |
fputs("Index past end-of-file\n", stderr); |
480 |
return(0); |
481 |
} |
482 |
if (rp != NULL) { /* ASCII output */ |
483 |
if (!print_record(rp, n)) |
484 |
return(0); |
485 |
putc(tabEOL[j >= no_columns-1], stdout); |
486 |
} else { /* binary output */ |
487 |
putbinary((char *)mp->base + (n_comp*comp_size)*n, |
488 |
comp_size, n_comp, stdout); |
489 |
} |
490 |
} |
491 |
if (ferror(stdout)) { |
492 |
fputs("Error writing to stdout\n", stderr); |
493 |
return(0); |
494 |
} |
495 |
} |
496 |
if (rp != NULL) |
497 |
free_records(rp); |
498 |
return(1); |
499 |
badspec: |
500 |
fputs("Bad dimension(s)\n", stderr); |
501 |
return(0); |
502 |
} |
503 |
|
504 |
/* resize stream input by ignoring EOLs between ASCII records */ |
505 |
static int |
506 |
do_resize(FILE *fp) |
507 |
{ |
508 |
ssize_t records2go = ni_rows*ni_columns; |
509 |
int columns2go = no_columns; |
510 |
char word[256]; |
511 |
|
512 |
if (o_header) { /* finish header? */ |
513 |
if (no_rows > 0) |
514 |
printf("NROWS=%d\n", no_rows); |
515 |
if (no_columns > 0) |
516 |
printf("NCOLS=%d\n", no_columns); |
517 |
fputformat(fmtid, stdout); |
518 |
fputc('\n', stdout); |
519 |
} |
520 |
/* sanity checks */ |
521 |
if (comp_size || !check & |
522 |
(no_columns == ni_columns) & (no_rows == ni_rows)) |
523 |
return(output_stream(fp)); /* no-op -- just copy */ |
524 |
if (no_columns <= 0) { |
525 |
fputs("Missing -oc specification\n", stderr); |
526 |
return(0); |
527 |
} |
528 |
if ((records2go <= 0) & (no_rows > 0)) |
529 |
records2go = no_rows*no_columns; |
530 |
else if (no_rows*no_columns != records2go) { |
531 |
fprintf(stderr, |
532 |
"Number of input and output records disagree (%dx%d != %dx%d)\n", |
533 |
ni_rows, ni_columns, no_rows, no_columns); |
534 |
return(0); |
535 |
} |
536 |
do { /* reshape records */ |
537 |
int n; |
538 |
|
539 |
for (n = n_comp; n--; ) { |
540 |
if (fget_word(word, fp) == NULL) { |
541 |
if (records2go > 0 || n < n_comp-1) |
542 |
break; |
543 |
goto done; /* normal EOD */ |
544 |
} |
545 |
if (check && !isflt(word)) { |
546 |
fputs("Badly formed number: ", stderr); |
547 |
fputs(word, stderr); |
548 |
fputc('\n', stderr); |
549 |
return(0); |
550 |
} |
551 |
fputs(word, stdout); |
552 |
if (n) { /* mid-record? */ |
553 |
int c = getc(fp); |
554 |
if ((c == '\n') | (c == EOF)) |
555 |
break; |
556 |
ungetc(c, fp); |
557 |
putc(' ', stdout); |
558 |
} |
559 |
} |
560 |
if (n >= 0) { |
561 |
fputs("Incomplete record / unexpected EOF\n", stderr); |
562 |
return(0); |
563 |
} |
564 |
if (--columns2go <= 0) { /* time to end output row? */ |
565 |
putc('\n', stdout); |
566 |
columns2go = no_columns; |
567 |
} else /* else separate records */ |
568 |
putc('\t', stdout); |
569 |
} while (--records2go); /* expected EOD? */ |
570 |
done: |
571 |
if (warnings && columns2go != no_columns) |
572 |
fputs("Warning -- incomplete final row\n", stderr); |
573 |
if (warnings && fget_word(word, fp) != NULL) |
574 |
fputs("Warning -- characters beyond expected EOD\n", stderr); |
575 |
return(1); |
576 |
} |
577 |
|
578 |
/* process a header line and copy to stdout */ |
579 |
static int |
580 |
headline(char *s, void *p) |
581 |
{ |
582 |
static char fmt[MAXFMTLEN]; |
583 |
int n; |
584 |
|
585 |
if (formatval(fmt, s)) { |
586 |
if (fmtid == NULL) { |
587 |
fmtid = fmt; |
588 |
return(0); |
589 |
} |
590 |
if (!strcmp(fmt, fmtid)) |
591 |
return(0); |
592 |
fprintf(stderr, "Input format '%s' != '%s'\n", fmt, fmtid); |
593 |
return(-1); |
594 |
} |
595 |
if (!strncmp(s, "NROWS=", 6)) { |
596 |
n = atoi(s+6); |
597 |
if ((ni_rows > 0) & (n != ni_rows)) { |
598 |
fputs("Incorrect input row count\n", stderr); |
599 |
return(-1); |
600 |
} |
601 |
ni_rows = n; |
602 |
return(0); |
603 |
} |
604 |
if (!strncmp(s, "NCOLS=", 6)) { |
605 |
n = atoi(s+6); |
606 |
if ((ni_columns > 0) & (n != ni_columns)) { |
607 |
fputs("Incorrect input column count\n", stderr); |
608 |
return(-1); |
609 |
} |
610 |
ni_columns = n; |
611 |
return(0); |
612 |
} |
613 |
if (!strncmp(s, "NCOMP=", 6)) { |
614 |
n = atoi(s+6); |
615 |
if ((n_comp > 0) & (n != n_comp)) { |
616 |
fputs("Incorrect number of components\n", stderr); |
617 |
return(-1); |
618 |
} |
619 |
n_comp = n; |
620 |
return(0); |
621 |
} |
622 |
if (o_header) |
623 |
fputs(s, stdout); /* copy header info. */ |
624 |
return(0); |
625 |
} |
626 |
|
627 |
/* main routine for converting rows/columns in data file */ |
628 |
int |
629 |
main(int argc, char *argv[]) |
630 |
{ |
631 |
int a; |
632 |
|
633 |
for (a = 1; a < argc && argv[a][0] == '-'; a++) |
634 |
switch (argv[a][1]) { |
635 |
case 'i': /* input */ |
636 |
if (argv[a][2] == 'c') /* columns */ |
637 |
ni_columns = atoi(argv[++a]); |
638 |
else if (argv[a][2] == 'r') |
639 |
ni_rows = atoi(argv[++a]); |
640 |
else |
641 |
goto userr; |
642 |
break; |
643 |
case 'o': /* output */ |
644 |
if (argv[a][2] == 'c') /* columns */ |
645 |
no_columns = atoi(argv[++a]); |
646 |
else if (argv[a][2] == 'r') |
647 |
no_rows = atoi(argv[++a]); |
648 |
else if (argv[a][2] || |
649 |
!(outLevels=get_array(argv[++a], outArray, MAXLEVELS))) |
650 |
goto userr; |
651 |
break; |
652 |
case 'h': /* turn off header */ |
653 |
switch (argv[a][2]) { |
654 |
case 'i': |
655 |
i_header = 0; |
656 |
break; |
657 |
case 'o': |
658 |
o_header = 0; |
659 |
break; |
660 |
case '\0': |
661 |
i_header = o_header = 0; |
662 |
break; |
663 |
default: |
664 |
goto userr; |
665 |
} |
666 |
break; |
667 |
case 't': /* transpose on/off */ |
668 |
transpose = !transpose; |
669 |
break; |
670 |
case 'f': /* format */ |
671 |
switch (argv[a][2]) { |
672 |
case 'a': /* ASCII */ |
673 |
case 'A': |
674 |
fmtid = "ascii"; |
675 |
comp_size = 0; |
676 |
break; |
677 |
case 'f': /* float */ |
678 |
case 'F': |
679 |
fmtid = "float"; |
680 |
comp_size = sizeof(float); |
681 |
break; |
682 |
case 'd': /* double */ |
683 |
case 'D': |
684 |
fmtid = "double"; |
685 |
comp_size = sizeof(double); |
686 |
break; |
687 |
case 'b': /* binary (bytes) */ |
688 |
case 'B': |
689 |
fmtid = "byte"; |
690 |
comp_size = 1; |
691 |
break; |
692 |
default: |
693 |
goto userr; |
694 |
} |
695 |
if (argv[a][3]) { |
696 |
if (!isdigit(argv[a][3])) |
697 |
goto userr; |
698 |
n_comp = atoi(argv[a]+3); |
699 |
} else |
700 |
n_comp = 1; |
701 |
break; |
702 |
case 'w': /* warnings on/off */ |
703 |
warnings = !warnings; |
704 |
break; |
705 |
case 'c': /* force check operation */ |
706 |
check = 1; |
707 |
break; |
708 |
default: |
709 |
goto userr; |
710 |
} |
711 |
if (a < argc-1) /* arg count OK? */ |
712 |
goto userr; |
713 |
if (outLevels) { /* should check consistency? */ |
714 |
no_rows = outArray[0][0]; |
715 |
no_columns = outArray[0][1]; |
716 |
} |
717 |
/* open input file? */ |
718 |
if (a == argc-1 && freopen(argv[a], "r", stdin) == NULL) { |
719 |
fprintf(stderr, "%s: cannot open for reading\n", argv[a]); |
720 |
return(1); |
721 |
} |
722 |
if (comp_size) { |
723 |
SET_FILE_BINARY(stdin); |
724 |
SET_FILE_BINARY(stdout); |
725 |
} |
726 |
#ifdef getc_unlocked /* avoid stupid semaphores */ |
727 |
flockfile(stdin); |
728 |
flockfile(stdout); |
729 |
#endif |
730 |
/* check for no-op */ |
731 |
if (!transpose & !check & (outLevels <= 1) & (i_header == o_header) && |
732 |
(no_columns == ni_columns) & (no_rows == ni_rows)) { |
733 |
if (warnings) |
734 |
fprintf(stderr, "%s: no-op -- copying input verbatim\n", |
735 |
argv[0]); |
736 |
if (!output_stream(stdin)) |
737 |
return(1); |
738 |
return(0); |
739 |
} |
740 |
if (i_header) { /* read header */ |
741 |
if (getheader(stdin, headline, NULL) < 0) |
742 |
return(1); |
743 |
if (!check_sizes()) |
744 |
return(1); |
745 |
if (comp_size) { /* a little late... */ |
746 |
SET_FILE_BINARY(stdin); |
747 |
SET_FILE_BINARY(stdout); |
748 |
} |
749 |
} else if (!check_sizes()) |
750 |
return(1); |
751 |
if (o_header) { /* write/add to header */ |
752 |
if (!i_header) |
753 |
newheader("RADIANCE", stdout); |
754 |
printargs(a, argv, stdout); |
755 |
printf("NCOMP=%d\n", n_comp); |
756 |
} |
757 |
if (transpose | check | (outLevels > 1) || (o_header && no_rows <= 0)) { |
758 |
MEMLOAD myMem; /* need to map into memory */ |
759 |
if (a == argc-1) { |
760 |
if (load_file(&myMem, stdin) <= 0) { |
761 |
fprintf(stderr, "%s: error loading file into memory\n", |
762 |
argv[a]); |
763 |
return(1); |
764 |
} |
765 |
} else if (load_stream(&myMem, stdin) <= 0) { |
766 |
fprintf(stderr, "%s: error loading stdin into memory\n", |
767 |
argv[0]); |
768 |
return(1); |
769 |
} |
770 |
if (!do_reorder(&myMem)) |
771 |
return(1); |
772 |
/* free_load(&myMem); about to exit, so don't bother */ |
773 |
} else if (!do_resize(stdin)) /* just reshaping input */ |
774 |
return(1); |
775 |
return(0); |
776 |
userr: |
777 |
fprintf(stderr, |
778 |
"Usage: %s [-h[io]][-w][-c][-f[afdb][N]][-t][-ic in_col][-ir in_row][-oc out_col][-or out_row][-o RxC[xR1xC1..]] [input.dat]\n", |
779 |
argv[0]); |
780 |
return(1); |
781 |
} |