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ede6c284 SL |
1 | /* Copyright (c) 1983 Regents of the University of California */ |
2 | ||
3 | #ifndef lint | |
15c53157 | 4 | static char sccsid[] = "@(#)rs.c 4.2 (Berkeley) %G%"; |
ede6c284 SL |
5 | #endif not lint |
6 | ||
7 | /* | |
8 | * rs - reshape a data array | |
9 | * Author: John Kunze, Office of Comp. Affairs, UCB | |
10 | * BEWARE: lots of unfinished edges | |
11 | */ | |
12 | ||
13 | #include <stdio.h> | |
14 | #include <ctype.h> | |
15 | ||
16 | long flags; | |
17 | #define TRANSPOSE 000001 | |
18 | #define MTRANSPOSE 000002 | |
19 | #define ONEPERLINE 000004 | |
20 | #define ONEISEPONLY 000010 | |
21 | #define ONEOSEPONLY 000020 | |
22 | #define NOTRIMENDCOL 000040 | |
23 | #define SQUEEZE 000100 | |
24 | #define SHAPEONLY 000200 | |
25 | #define DETAILSHAPE 000400 | |
26 | #define RIGHTADJUST 001000 | |
27 | #define NULLPAD 002000 | |
28 | #define RECYCLE 004000 | |
29 | #define SKIPPRINT 010000 | |
30 | #define ICOLBOUNDS 020000 | |
31 | #define OCOLBOUNDS 040000 | |
32 | #define ONEPERCHAR 0100000 | |
15c53157 | 33 | #define NOARGS 0200000 |
ede6c284 SL |
34 | |
35 | char buf[BUFSIZ]; | |
36 | short *colwidths; | |
37 | short *cord; | |
38 | short *icbd; | |
39 | short *ocbd; | |
40 | int nelem; | |
41 | char **elem; | |
42 | char **endelem; | |
43 | char *curline; | |
44 | int allocsize = BUFSIZ; | |
45 | int curlen; | |
46 | int irows, icols; | |
47 | int orows, ocols; | |
48 | int maxlen; | |
49 | int skip; | |
50 | int propgutter; | |
51 | char isep = ' ', osep = ' '; | |
52 | int owidth = 80, gutter = 2; | |
53 | ||
54 | char **getptrs(); | |
55 | ||
56 | main(argc, argv) | |
57 | int argc; | |
58 | char **argv; | |
59 | { | |
60 | setbuf(stdout, buf); | |
61 | getargs(argc, argv); | |
62 | getfile(); | |
63 | if (flags & SHAPEONLY) { | |
64 | printf("%d %d\n", irows, icols); | |
65 | exit(0); | |
66 | } | |
67 | prepfile(); | |
68 | /*fprintf(stderr, "#irows %d icols %d orows %d ocols %d\n",irows,icols,orows,ocols);*/ | |
69 | putfile(); | |
70 | } | |
71 | ||
72 | getfile() | |
73 | { | |
74 | register char *p; | |
75 | register char *endp; | |
76 | register char **ep = 0; | |
77 | int multisep = (flags & ONEISEPONLY ? 0 : 1); | |
78 | int nullpad = flags & NULLPAD; | |
79 | char **padto; | |
80 | ||
81 | while (skip--) { | |
82 | getline(); | |
83 | if (flags & SKIPPRINT) | |
84 | puts(curline); | |
85 | } | |
86 | getline(); | |
15c53157 JK |
87 | if (flags & NOARGS && curlen < owidth) |
88 | flags |= ONEPERLINE; | |
ede6c284 SL |
89 | if (flags & ONEPERLINE) |
90 | icols = 1; | |
91 | else /* count cols on first line */ | |
92 | for (p = curline, endp = curline + curlen; p < endp; p++) { | |
93 | if (*p == isep && multisep) | |
94 | continue; | |
95 | icols++; | |
96 | while (*p && *p != isep) | |
97 | p++; | |
98 | } | |
99 | ep = getptrs(elem); | |
100 | p = curline; | |
101 | do { | |
102 | if (flags & ONEPERLINE) { | |
103 | *ep++ = curline; | |
104 | if (maxlen < curlen) | |
105 | maxlen = curlen; | |
106 | irows++; | |
107 | continue; | |
108 | } | |
109 | for (p = curline, endp = curline + curlen; p < endp; p++) { | |
110 | if (*p == isep && multisep) | |
111 | continue; /* eat up column separators */ | |
112 | if (*p == isep) /* must be an empty column */ | |
113 | *ep = ""; | |
114 | else /* store column entry */ | |
115 | *ep = p; | |
116 | while (p < endp && *p != isep) | |
117 | p++; /* find end of entry */ | |
118 | *p = '\0'; /* mark end of entry */ | |
119 | if (maxlen < p - *ep) /* update maxlen */ | |
120 | maxlen = p - *ep; | |
121 | ep++; /* prepare for next entry */ | |
122 | } | |
123 | irows++; /* update row count */ | |
124 | if (nullpad) { /* pad missing entries */ | |
125 | padto = elem + irows * icols; | |
126 | while (ep < padto) | |
127 | *ep++ = ""; | |
128 | } | |
129 | if (ep > endelem) /* if low on pointers */ | |
130 | ep = getptrs(ep); /* get some more */ | |
131 | } while (getline() != EOF); | |
132 | *ep = 0; /* mark end of pointers */ | |
133 | nelem = ep - elem; | |
134 | } | |
135 | ||
136 | putfile() | |
137 | { | |
138 | register char **ep; | |
139 | register int i; | |
140 | register int j; | |
141 | ||
142 | ep = elem; | |
143 | if (flags & TRANSPOSE) | |
144 | for (i = 0; i < orows; i++) { | |
145 | for (j = i; j < nelem; j += orows) | |
146 | prints(ep[j], (j - i) / orows); | |
147 | putchar('\n'); | |
148 | } | |
149 | else | |
150 | for (i = 0; i < orows; i++) { | |
151 | for (j = 0; j < ocols; j++) | |
152 | prints(*ep++, j); | |
153 | putchar('\n'); | |
154 | } | |
155 | } | |
156 | ||
157 | prints(s, col) | |
158 | char *s; | |
159 | int col; | |
160 | { | |
161 | register char *p = s; | |
162 | register int n; | |
163 | ||
164 | while (*p) | |
165 | p++; | |
166 | n = (flags & ONEOSEPONLY ? 1 : colwidths[col] - (p - s)); | |
167 | if (flags & RIGHTADJUST) | |
168 | while (n-- > 0) | |
169 | putchar(osep); | |
170 | for (p = s; *p; p++) | |
171 | putchar(*p); | |
172 | while (n-- > 0) | |
173 | putchar(osep); | |
174 | } | |
175 | ||
176 | error(msg, s) | |
177 | char *msg; | |
178 | char *s; | |
179 | { | |
180 | fprintf(stderr, "rs: "); | |
181 | fprintf(stderr, msg, s); | |
182 | fprintf(stderr, "\nUsage: rs [ -[csCS][x][kKgGw][N]tTeEnyjhHm ] [ rows [ cols ] ]\n"); | |
183 | exit(1); | |
184 | } | |
185 | ||
186 | prepfile() | |
187 | { | |
188 | register char **ep; | |
189 | register int i; | |
190 | register int j; | |
191 | char **lp; | |
192 | int colw; | |
193 | int max = 0; | |
194 | int n; | |
195 | ||
196 | if (!nelem) | |
197 | exit(0); | |
198 | gutter += maxlen * propgutter / 100.0; | |
199 | colw = maxlen + gutter; | |
200 | if (flags & MTRANSPOSE) { | |
201 | orows = icols; | |
202 | ocols = irows; | |
203 | } | |
204 | else if (orows == 0 && ocols == 0) { /* decide rows and cols */ | |
15c53157 JK |
205 | ocols = owidth / colw; |
206 | if (ocols == 0) | |
207 | fprintf(stderr, "Display width %d is less than column width %d\n", owidth, colw); | |
ede6c284 SL |
208 | if (ocols > nelem) |
209 | ocols = nelem; | |
210 | orows = nelem / ocols + (nelem % ocols ? 1 : 0); | |
211 | } | |
212 | else if (orows == 0) /* decide on rows */ | |
213 | orows = nelem / ocols + (nelem % ocols ? 1 : 0); | |
214 | else if (ocols == 0) /* decide on cols */ | |
215 | ocols = nelem / orows + (nelem % orows ? 1 : 0); | |
216 | lp = elem + orows * ocols; | |
217 | while (lp > endelem) { | |
218 | getptrs(elem + nelem); | |
219 | lp = elem + orows * ocols; | |
220 | } | |
221 | if (flags & RECYCLE) { | |
222 | for (ep = elem + nelem; ep < lp; ep++) | |
223 | *ep = *(ep - nelem); | |
224 | nelem = lp - elem; | |
225 | } | |
226 | if (!(colwidths = (short *) malloc(ocols * sizeof(short)))) | |
227 | error("malloc: No gutter space", ""); | |
228 | if (flags & SQUEEZE) { | |
229 | if (flags & TRANSPOSE) | |
230 | for (ep = elem, i = 0; i < ocols; i++) { | |
231 | for (j = 0; j < orows; j++) | |
232 | if ((n = strlen(*ep++)) > max) | |
233 | max = n; | |
234 | colwidths[i] = max + gutter; | |
235 | } | |
236 | else | |
237 | for (i = 0; i < ocols; i++) { | |
238 | for (j = i; j < nelem; j += ocols) | |
239 | if ((n = strlen(ep[j])) > max) | |
240 | max = n; | |
241 | colwidths[i] = max + gutter; | |
242 | } | |
243 | } | |
244 | /* for (i = 0; i < orows; i++) { | |
245 | for (j = i; j < nelem; j += orows) | |
246 | prints(ep[j], (j - i) / orows); | |
247 | putchar('\n'); | |
248 | } | |
249 | else | |
250 | for (i = 0; i < orows; i++) { | |
251 | for (j = 0; j < ocols; j++) | |
252 | prints(*ep++, j); | |
253 | putchar('\n'); | |
254 | }*/ | |
255 | else | |
256 | for (i = 0; i < ocols; i++) | |
257 | colwidths[i] = colw; | |
258 | if (!(flags & NOTRIMENDCOL)) { | |
259 | if (flags & RIGHTADJUST) | |
260 | colwidths[0] -= gutter; | |
261 | else | |
262 | colwidths[ocols - 1] = 0; | |
263 | } | |
264 | n = orows * ocols; | |
265 | if (n > nelem && (flags & RECYCLE)) | |
266 | nelem = n; | |
267 | /*for (i = 0; i < ocols; i++) | |
268 | fprintf(stderr, "%d ",colwidths[i]); | |
269 | fprintf(stderr, "is colwidths, nelem %d\n", nelem);*/ | |
270 | } | |
271 | ||
272 | #define BSIZE 2048 | |
273 | char ibuf[BSIZE]; /* two screenfuls should do */ | |
274 | ||
275 | getline() /* get line; maintain curline, curlen; manage storage */ | |
276 | { | |
277 | register char *p; | |
278 | register int c; | |
279 | register int i; | |
280 | static int putlength; | |
281 | static char *endblock = ibuf + BSIZE; | |
282 | ||
283 | if (!irows) { | |
284 | curline = ibuf; | |
285 | putlength = flags & DETAILSHAPE; | |
286 | } | |
287 | else if (skip <= 0) { /* don't waste storage */ | |
288 | curline += curlen + 1; | |
289 | if (putlength) /* print length, recycle storage */ | |
290 | printf(" %d line %d\n", curlen, irows); | |
291 | } | |
292 | if (!putlength && endblock - curline < BUFSIZ) { /* need storage */ | |
293 | /*ww = endblock-curline; tt += ww;*/ | |
294 | /*printf("#wasted %d total %d\n",ww,tt);*/ | |
295 | if (!(curline = (char *) malloc(BSIZE))) | |
296 | error("File too large", ""); | |
297 | endblock = curline + BSIZE; | |
298 | /*printf("#endb %d curline %d\n",endblock,curline);*/ | |
299 | } | |
300 | for (p = curline, i = 1; i < BUFSIZ; *p++ = c, i++) | |
301 | if ((c = getchar()) == EOF || c == '\n') | |
302 | break; | |
303 | *p = '\0'; | |
304 | curlen = i - 1; | |
305 | return(c); | |
306 | } | |
307 | ||
308 | char ** | |
309 | getptrs(sp) | |
310 | char **sp; | |
311 | { | |
312 | register char **p; | |
313 | register char **ep; | |
314 | ||
315 | for (;;) { | |
316 | allocsize += allocsize; | |
317 | if (!(p = (char **) malloc(allocsize * sizeof(char *)))) { | |
318 | perror("rs"); | |
319 | exit(1); | |
320 | } | |
321 | if ((endelem = p + allocsize - icols) <= p) { | |
322 | free(p); | |
323 | continue; | |
324 | } | |
325 | if (elem != 0) | |
326 | free(elem); | |
327 | ep = elem; | |
328 | elem = p; | |
329 | while (ep < sp) | |
330 | *p++ = *ep++; | |
331 | return(p); | |
332 | } | |
333 | } | |
334 | ||
335 | getargs(ac, av) | |
336 | int ac; | |
337 | char **av; | |
338 | { | |
339 | register char *p; | |
340 | char *getnum(), *getlist(); | |
341 | ||
342 | if (ac == 1) { | |
15c53157 | 343 | flags |= NOARGS | TRANSPOSE; |
ede6c284 SL |
344 | } |
345 | while (--ac && **++av == '-') | |
346 | for (p = *av+1; *p; p++) | |
347 | switch (*p) { | |
348 | case 'T': | |
349 | flags |= MTRANSPOSE; | |
350 | case 't': | |
351 | flags |= TRANSPOSE; | |
352 | break; | |
353 | case 'c': /* input col. separator */ | |
354 | flags |= ONEISEPONLY; | |
355 | case 's': /* one or more allowed */ | |
356 | if (p[1]) | |
357 | isep = *++p; | |
358 | else | |
359 | isep = '\t'; /* default is ^I */ | |
360 | break; | |
361 | case 'C': | |
362 | flags |= ONEOSEPONLY; | |
363 | case 'S': | |
364 | if (p[1]) | |
365 | osep = *++p; | |
366 | else | |
367 | osep = '\t'; /* default is ^I */ | |
368 | break; | |
369 | case 'w': /* window width, default 80 */ | |
370 | p = getnum(&owidth, p, 0); | |
371 | if (owidth <= 0) | |
372 | error("Width must be a positive integer", ""); | |
373 | break; | |
374 | case 'K': /* skip N lines */ | |
375 | flags |= SKIPPRINT; | |
376 | case 'k': /* skip, do not print */ | |
377 | p = getnum(&skip, p, 0); | |
378 | if (!skip) | |
379 | skip = 1; | |
380 | break; | |
381 | case 'm': | |
382 | flags |= NOTRIMENDCOL; | |
383 | break; | |
384 | case 'g': /* gutter space */ | |
385 | p = getnum(&gutter, p, 0); | |
386 | break; | |
387 | case 'G': | |
388 | p = getnum(&propgutter, p, 0); | |
389 | break; | |
390 | case 'e': /* each line is an entry */ | |
391 | flags |= ONEPERLINE; | |
392 | break; | |
393 | case 'E': | |
394 | flags |= ONEPERCHAR; | |
395 | break; | |
396 | case 'j': /* right adjust */ | |
397 | flags |= RIGHTADJUST; | |
398 | break; | |
399 | case 'n': /* null padding for missing values */ | |
400 | flags |= NULLPAD; | |
401 | break; | |
402 | case 'y': | |
403 | flags |= RECYCLE; | |
404 | break; | |
405 | case 'H': /* print shape only */ | |
406 | flags |= DETAILSHAPE; | |
407 | case 'h': | |
408 | flags |= SHAPEONLY; | |
409 | break; | |
410 | case 'z': /* squeeze col width */ | |
411 | flags |= SQUEEZE; | |
412 | break; | |
413 | /*case 'p': | |
414 | ipagespace = atoi(++p); (default is 1) | |
415 | break;*/ | |
416 | case 'o': /* col order */ | |
417 | p = getlist(&cord, p); | |
418 | break; | |
419 | case 'b': | |
420 | flags |= ICOLBOUNDS; | |
421 | p = getlist(&icbd, p); | |
422 | break; | |
423 | case 'B': | |
424 | flags |= OCOLBOUNDS; | |
425 | p = getlist(&ocbd, p); | |
426 | break; | |
427 | default: | |
428 | error("Bad flag: %.1s", p); | |
429 | } | |
430 | /*if (!osep) | |
431 | osep = isep;*/ | |
432 | switch (ac) { | |
433 | /*case 3: | |
434 | opages = atoi(av[2]);*/ | |
435 | case 2: | |
436 | ocols = atoi(av[1]); | |
437 | case 1: | |
438 | orows = atoi(av[0]); | |
439 | case 0: | |
440 | break; | |
441 | default: | |
442 | error("Too many arguments. What do you mean by `%s'?", av[3]); | |
443 | } | |
444 | } | |
445 | ||
446 | char * | |
447 | getlist(list, p) | |
448 | short **list; | |
449 | char *p; | |
450 | { | |
451 | register char *t; | |
452 | register int count = 1; | |
453 | ||
454 | for (t = p + 1; *t; t++) { | |
455 | if (!isdigit(*t)) | |
456 | error("Option %.1s requires a list of unsigned numbers separated by commas", t); | |
457 | count++; | |
458 | while (*t && isdigit(*t)) | |
459 | t++; | |
460 | if (*t != ',') | |
461 | break; | |
462 | } | |
463 | if (!(*list = (short *) malloc(count * sizeof(short)))) | |
464 | error("No list space", ""); | |
465 | count = 0; | |
466 | for (t = p + 1; *t; t++) { | |
467 | (*list)[count++] = atoi(t); | |
468 | printf("++ %d ", (*list)[count-1]); | |
469 | fflush(stdout); | |
470 | while (*t && isdigit(*t)) | |
471 | t++; | |
472 | if (*t != ',') | |
473 | break; | |
474 | } | |
475 | (*list)[count] = 0; | |
476 | return(t - 1); | |
477 | } | |
478 | ||
479 | char * | |
480 | getnum(num, p, strict) /* num = number p points to; if (strict) complain */ | |
481 | int *num; /* returns pointer to end of num */ | |
482 | char *p; | |
483 | int strict; | |
484 | { | |
485 | register char *t = p; | |
486 | ||
487 | if (!isdigit(*++t)) { | |
488 | if (strict || *t == '-' || *t == '+') | |
489 | error("Option %.1s requires an unsigned integer", p); | |
490 | *num = 0; | |
491 | return(p); | |
492 | } | |
493 | *num = atoi(t); | |
494 | while (*++t) | |
495 | if (!isdigit(*t)) | |
496 | break; | |
497 | return(--t); | |
498 | } |