| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: rsplit.c,v 1.4 2019/07/05 15:04:20 greg Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* rsplit.c - split input into multiple output streams |
| 6 |
* |
| 7 |
* 7/4/19 Greg Ward |
| 8 |
*/ |
| 9 |
|
| 10 |
#include <stdlib.h> |
| 11 |
#include <string.h> |
| 12 |
#include <stdio.h> |
| 13 |
#include <ctype.h> |
| 14 |
|
| 15 |
#include "platform.h" |
| 16 |
#include "resolu.h" |
| 17 |
#include "rtio.h" |
| 18 |
|
| 19 |
#define DOHEADER 1 |
| 20 |
#define DORESOLU 2 |
| 21 |
|
| 22 |
#define MAXFILE 512 /* maximum number of files */ |
| 23 |
|
| 24 |
FILE *output[MAXFILE]; |
| 25 |
int bytsiz[MAXFILE]; |
| 26 |
short hdrflags[MAXFILE]; |
| 27 |
const char *format[MAXFILE]; |
| 28 |
int termc[MAXFILE]; |
| 29 |
int nfiles = 0; |
| 30 |
|
| 31 |
int outheader = 0; /* output header to each stream? */ |
| 32 |
|
| 33 |
RESOLU ourres = {PIXSTANDARD, 0, 0}; |
| 34 |
|
| 35 |
char buf[16384]; |
| 36 |
|
| 37 |
|
| 38 |
/* process header line */ |
| 39 |
static int |
| 40 |
headline(char *s, void *p) |
| 41 |
{ |
| 42 |
extern const char FMTSTR[]; |
| 43 |
int i = nfiles; |
| 44 |
|
| 45 |
if (strstr(s, FMTSTR) == s) |
| 46 |
return(0); /* don't copy format */ |
| 47 |
if (!strncmp(s, "NROWS=", 6)) |
| 48 |
return(0); |
| 49 |
if (!strncmp(s, "NCOLS=", 6)) |
| 50 |
return(0); |
| 51 |
if (!strncmp(s, "NCOMP=", 6)) |
| 52 |
return(0); |
| 53 |
while (i--) /* else copy line to output streams */ |
| 54 |
if (hdrflags[i] & DOHEADER) |
| 55 |
fputs(s, output[i]); |
| 56 |
return(1); |
| 57 |
} |
| 58 |
|
| 59 |
|
| 60 |
/* scan field into buffer up to and including terminating byte */ |
| 61 |
static int |
| 62 |
scanOK(int termc) |
| 63 |
{ |
| 64 |
char *cp = buf; |
| 65 |
int c; |
| 66 |
|
| 67 |
while ((c = getchar()) != EOF) { |
| 68 |
*cp++ = c; |
| 69 |
if (cp-buf >= sizeof(buf)) |
| 70 |
break; |
| 71 |
if (c == termc) { |
| 72 |
*cp = '\0'; |
| 73 |
return(cp-buf); |
| 74 |
} |
| 75 |
} |
| 76 |
return(0); |
| 77 |
} |
| 78 |
|
| 79 |
|
| 80 |
int |
| 81 |
main(int argc, char *argv[]) |
| 82 |
{ |
| 83 |
int inpheader = 0; |
| 84 |
int inpres = 0; |
| 85 |
int outres = 0; |
| 86 |
int force = 0; |
| 87 |
int append = 0; |
| 88 |
long outcnt = 0; |
| 89 |
int bininp = 0; |
| 90 |
int curterm = '\n'; |
| 91 |
int curbytes = 0; |
| 92 |
int curflags = 0; |
| 93 |
const char *curfmt = "ascii"; |
| 94 |
int i; |
| 95 |
|
| 96 |
for (i = 1; i < argc; i++) { |
| 97 |
if (argv[i][0] == '-') { |
| 98 |
switch (argv[i][1]) { |
| 99 |
case 't': |
| 100 |
curterm = argv[i][2]; |
| 101 |
if (!curterm) curterm = '\n'; |
| 102 |
break; |
| 103 |
case 'i': |
| 104 |
switch (argv[i][2]) { |
| 105 |
case 'h': |
| 106 |
inpheader = !inpheader; |
| 107 |
break; |
| 108 |
case 'H': |
| 109 |
inpres = !inpres; |
| 110 |
break; |
| 111 |
default: |
| 112 |
goto badopt; |
| 113 |
} |
| 114 |
break; |
| 115 |
case 'f': |
| 116 |
++force; |
| 117 |
append = 0; |
| 118 |
break; |
| 119 |
case 'a': |
| 120 |
if (outheader | outres) { |
| 121 |
fputs(argv[0], stderr); |
| 122 |
fputs(": -a option incompatible with -oh and -oH\n", |
| 123 |
stderr); |
| 124 |
return(1); |
| 125 |
} |
| 126 |
append = 1; |
| 127 |
break; |
| 128 |
case 'x': |
| 129 |
ourres.xr = atoi(argv[++i]); |
| 130 |
outres = 1; |
| 131 |
break; |
| 132 |
case 'y': |
| 133 |
ourres.yr = atoi(argv[++i]); |
| 134 |
outres = 1; |
| 135 |
break; |
| 136 |
case 'o': |
| 137 |
switch (argv[i][2]) { |
| 138 |
case 'n': |
| 139 |
outcnt = atol(argv[++i]); |
| 140 |
continue; |
| 141 |
case 'h': |
| 142 |
curflags ^= DOHEADER; |
| 143 |
continue; |
| 144 |
case 'H': |
| 145 |
curflags ^= DORESOLU; |
| 146 |
continue; |
| 147 |
case 'f': |
| 148 |
curfmt = "float"; |
| 149 |
curbytes = sizeof(float); |
| 150 |
break; |
| 151 |
case 'd': |
| 152 |
curfmt = "double"; |
| 153 |
curbytes = sizeof(double); |
| 154 |
break; |
| 155 |
case 'i': |
| 156 |
curfmt = "int"; |
| 157 |
curbytes = sizeof(int); |
| 158 |
break; |
| 159 |
case 'w': |
| 160 |
curfmt = "16-bit"; |
| 161 |
curbytes = 2; |
| 162 |
break; |
| 163 |
case 'b': |
| 164 |
curfmt = "byte"; |
| 165 |
curbytes = 1; |
| 166 |
break; |
| 167 |
case 'a': |
| 168 |
curfmt = "ascii"; |
| 169 |
curbytes = argv[i][3] ? -1 : 0; |
| 170 |
break; |
| 171 |
default: |
| 172 |
goto badopt; |
| 173 |
} |
| 174 |
if (isdigit(argv[i][3])) |
| 175 |
curbytes *= atoi(argv[i]+3); |
| 176 |
curbytes += (curbytes == -1); |
| 177 |
if (curbytes > (int)sizeof(buf)) { |
| 178 |
fputs(argv[0], stderr); |
| 179 |
fputs(": output size too big\n", stderr); |
| 180 |
return(1); |
| 181 |
} |
| 182 |
if (curbytes > 0) { |
| 183 |
curterm = '\0'; |
| 184 |
++bininp; |
| 185 |
} |
| 186 |
break; |
| 187 |
case '\0': |
| 188 |
outres |= (curflags & DORESOLU); |
| 189 |
termc[nfiles] = curterm; |
| 190 |
hdrflags[nfiles] = curflags; |
| 191 |
output[nfiles] = stdout; |
| 192 |
if (curbytes > 0) |
| 193 |
SET_FILE_BINARY(output[nfiles]); |
| 194 |
format[nfiles] = curfmt; |
| 195 |
bytsiz[nfiles++] = curbytes; |
| 196 |
break; |
| 197 |
badopt:; |
| 198 |
default: |
| 199 |
fputs(argv[0], stderr); |
| 200 |
fputs(": bad option\n", stderr); |
| 201 |
return(1); |
| 202 |
} |
| 203 |
} else if (argv[i][0] == '!') { |
| 204 |
outres |= (curflags & DORESOLU); |
| 205 |
termc[nfiles] = curterm; |
| 206 |
hdrflags[nfiles] = curflags; |
| 207 |
if ((output[nfiles] = popen(argv[i]+1, "w")) == NULL) { |
| 208 |
fputs(argv[i], stderr); |
| 209 |
fputs(": cannot start command\n", stderr); |
| 210 |
return(1); |
| 211 |
} |
| 212 |
if (curbytes > 0) |
| 213 |
SET_FILE_BINARY(output[nfiles]); |
| 214 |
format[nfiles] = curfmt; |
| 215 |
bytsiz[nfiles++] = curbytes; |
| 216 |
} else { |
| 217 |
outres |= (curflags & DORESOLU); |
| 218 |
termc[nfiles] = curterm; |
| 219 |
hdrflags[nfiles] = curflags; |
| 220 |
if (!append & !force && access(argv[i], F_OK) == 0) { |
| 221 |
fputs(argv[i], stderr); |
| 222 |
fputs(": file exists -- use -f to overwrite\n", |
| 223 |
stderr); |
| 224 |
return(1); |
| 225 |
} |
| 226 |
output[nfiles] = fopen(argv[i], append ? "a" : "w"); |
| 227 |
if (output[nfiles] == NULL) { |
| 228 |
fputs(argv[i], stderr); |
| 229 |
fputs(": cannot open for output\n", stderr); |
| 230 |
return(1); |
| 231 |
} |
| 232 |
if (curbytes > 0) |
| 233 |
SET_FILE_BINARY(output[nfiles]); |
| 234 |
format[nfiles] = curfmt; |
| 235 |
bytsiz[nfiles++] = curbytes; |
| 236 |
} |
| 237 |
if (nfiles >= MAXFILE) { |
| 238 |
fputs(argv[0], stderr); |
| 239 |
fputs(": too many output streams\n", stderr); |
| 240 |
return(1); |
| 241 |
} |
| 242 |
} |
| 243 |
if (!nfiles) { |
| 244 |
fputs(argv[0], stderr); |
| 245 |
fputs(": no output streams\n", stderr); |
| 246 |
return(1); |
| 247 |
} |
| 248 |
if (bininp) /* binary input? */ |
| 249 |
SET_FILE_BINARY(stdin); |
| 250 |
#ifdef getc_unlocked /* avoid lock/unlock overhead */ |
| 251 |
flockfile(stdin); |
| 252 |
for (i = nfiles; i--; ) |
| 253 |
flockfile(output[i]); |
| 254 |
#endif |
| 255 |
/* load/copy header */ |
| 256 |
if (inpheader && getheader(stdin, headline, NULL) < 0) { |
| 257 |
fputs(argv[0], stderr); |
| 258 |
fputs(": cannot get header from standard input\n", |
| 259 |
stderr); |
| 260 |
return(1); |
| 261 |
} |
| 262 |
/* handle resolution string */ |
| 263 |
if (inpres && !fgetsresolu(&ourres, stdin)) { |
| 264 |
fputs(argv[0], stderr); |
| 265 |
fputs(": cannot get resolution string from standard input\n", |
| 266 |
stderr); |
| 267 |
return(1); |
| 268 |
} |
| 269 |
if (outres && (ourres.xr <= 0) | (ourres.yr <= 0)) { |
| 270 |
fputs(argv[0], stderr); |
| 271 |
fputs(": -oH option requires -iH or -x and -y options\n", stderr); |
| 272 |
return(1); |
| 273 |
} |
| 274 |
if ((ourres.xr > 0) & (ourres.yr > 0)) { |
| 275 |
if (outcnt <= 0) { |
| 276 |
outcnt = ourres.xr * ourres.yr; |
| 277 |
} else if (outcnt != ourres.xr*ourres.yr) { |
| 278 |
fputs(argv[0], stderr); |
| 279 |
fputs(": warning: -on option does not agree with resolution\n", |
| 280 |
stderr); |
| 281 |
} |
| 282 |
} |
| 283 |
for (i = 0; i < nfiles; i++) { /* complete headers */ |
| 284 |
if (hdrflags[i] & DOHEADER) { |
| 285 |
if (!inpheader) |
| 286 |
newheader("RADIANCE", output[i]); |
| 287 |
printargs(argc, argv, output[i]); |
| 288 |
if (format[i] != NULL) |
| 289 |
fputformat(format[i], output[i]); |
| 290 |
fputc('\n', output[i]); |
| 291 |
} |
| 292 |
if (hdrflags[i] & DORESOLU) |
| 293 |
fputsresolu(&ourres, output[i]); |
| 294 |
} |
| 295 |
do { /* main loop */ |
| 296 |
for (i = 0; i < nfiles; i++) { |
| 297 |
if (bytsiz[i] > 0) { /* binary output */ |
| 298 |
if (getbinary(buf, bytsiz[i], 1, stdin) < 1) |
| 299 |
break; |
| 300 |
if (putbinary(buf, bytsiz[i], 1, output[i]) != 1) |
| 301 |
break; |
| 302 |
} else if (bytsiz[i] < 0) { /* N-field output */ |
| 303 |
int n = -bytsiz[i]; |
| 304 |
while (n--) { |
| 305 |
if (!scanOK(termc[i])) |
| 306 |
break; |
| 307 |
if (fputs(buf, output[i]) == EOF) |
| 308 |
break; |
| 309 |
} |
| 310 |
if (n >= 0) /* fell short? */ |
| 311 |
break; |
| 312 |
if (termc[i] != '\n') /* add EOL if none */ |
| 313 |
fputc('\n', output[i]); |
| 314 |
} else { /* 1-field output */ |
| 315 |
if (!scanOK(termc[i])) |
| 316 |
break; |
| 317 |
if (fputs(buf, output[i]) == EOF) |
| 318 |
break; |
| 319 |
if (termc[i] != '\n') /* add EOL if none */ |
| 320 |
fputc('\n', output[i]); |
| 321 |
} |
| 322 |
} |
| 323 |
if (i < nfiles) |
| 324 |
break; |
| 325 |
} while (--outcnt); |
| 326 |
/* check ending */ |
| 327 |
if (fflush(NULL) == EOF) { |
| 328 |
fputs(argv[0], stderr); |
| 329 |
fputs(": write error on one or more outputs\n", stderr); |
| 330 |
return(1); |
| 331 |
} |
| 332 |
if (outcnt > 0) { |
| 333 |
fputs(argv[0], stderr); |
| 334 |
fputs(": warning: premature EOD\n", stderr); |
| 335 |
} |
| 336 |
return(0); |
| 337 |
} |
