| 11 |
|
#include "standard.h" |
| 12 |
|
#include "cmatrix.h" |
| 13 |
|
#include "platform.h" |
| 14 |
+ |
#include "paths.h" |
| 15 |
|
#include "resolu.h" |
| 16 |
|
|
| 17 |
|
const char *cm_fmt_id[] = { |
| 18 |
< |
"unknown", "ascii", "float", "double", |
| 19 |
< |
COLRFMT, CIEFMT |
| 18 |
> |
"unknown", "ascii", COLRFMT, CIEFMT, |
| 19 |
> |
"float", "double" |
| 20 |
|
}; |
| 21 |
|
|
| 22 |
|
const int cm_elem_size[] = { |
| 144 |
|
return(NULL); |
| 145 |
|
} |
| 146 |
|
|
| 147 |
< |
/* Allocate and load a matrix from the given file (or stdin if NULL) */ |
| 147 |
> |
/* Allocate and load a matrix from the given input (or stdin if NULL) */ |
| 148 |
|
CMATRIX * |
| 149 |
< |
cm_load(const char *fname, int nrows, int ncols, int dtype) |
| 149 |
> |
cm_load(const char *inspec, int nrows, int ncols, int dtype) |
| 150 |
|
{ |
| 151 |
< |
FILE *fp = stdin; |
| 152 |
< |
CMATRIX *cm; |
| 151 |
> |
const int ROWINC = 2048; |
| 152 |
> |
FILE *fp = stdin; |
| 153 |
> |
CMATRIX *cm; |
| 154 |
|
|
| 155 |
< |
if (fname == NULL) |
| 156 |
< |
fname = "<stdin>"; |
| 157 |
< |
else if ((fp = fopen(fname, "r")) == NULL) { |
| 158 |
< |
sprintf(errmsg, "cannot open file '%s'", fname); |
| 155 |
> |
if (inspec == NULL) |
| 156 |
> |
inspec = "<stdin>"; |
| 157 |
> |
else if (inspec[0] == '!') { |
| 158 |
> |
fp = popen(inspec+1, "r"); |
| 159 |
> |
if (fp == NULL) { |
| 160 |
> |
sprintf(errmsg, "cannot start command '%s'", inspec); |
| 161 |
> |
error(SYSTEM, errmsg); |
| 162 |
> |
} |
| 163 |
> |
} else if ((fp = fopen(inspec, "r")) == NULL) { |
| 164 |
> |
sprintf(errmsg, "cannot open file '%s'", inspec); |
| 165 |
|
error(SYSTEM, errmsg); |
| 166 |
|
} |
| 167 |
|
#ifdef getc_unlocked |
| 186 |
|
} |
| 187 |
|
if (nrows <= 0) { /* don't know length? */ |
| 188 |
|
int guessrows = 147; /* usually big enough */ |
| 189 |
< |
if ((dtype != DTascii) & (fp != stdin)) { |
| 189 |
> |
if ((dtype != DTascii) & (fp != stdin) & (inspec[0] != '!')) { |
| 190 |
|
long startpos = ftell(fp); |
| 191 |
|
if (fseek(fp, 0L, SEEK_END) == 0) { |
| 192 |
|
long endpos = ftell(fp); |
| 196 |
|
if ((endpos - startpos) % (ncols*elemsiz)) { |
| 197 |
|
sprintf(errmsg, |
| 198 |
|
"improper length for binary file '%s'", |
| 199 |
< |
fname); |
| 199 |
> |
inspec); |
| 200 |
|
error(USER, errmsg); |
| 201 |
|
} |
| 202 |
|
guessrows = (endpos - startpos)/(ncols*elemsiz); |
| 203 |
|
if (fseek(fp, startpos, SEEK_SET) < 0) { |
| 204 |
|
sprintf(errmsg, |
| 205 |
|
"fseek() error on file '%s'", |
| 206 |
< |
fname); |
| 206 |
> |
inspec); |
| 207 |
|
error(SYSTEM, errmsg); |
| 208 |
|
} |
| 209 |
|
nrows = guessrows; /* we're confident */ |
| 219 |
|
int r, c; |
| 220 |
|
for (r = 0; r < maxrow; r++) { |
| 221 |
|
if (r >= cm->nrows) /* need more space? */ |
| 222 |
< |
cm = cm_resize(cm, 2*cm->nrows); |
| 222 |
> |
cm = cm_resize(cm, cm->nrows+ROWINC); |
| 223 |
|
for (c = 0; c < ncols; c++) { |
| 224 |
|
COLORV *cv = cm_lval(cm,r,c); |
| 225 |
< |
if (fscanf(fp, COLSPEC, cv, cv+1, cv+2) != 3) |
| 225 |
> |
if (fscanf(fp, COLSPEC, cv, cv+1, cv+2) != 3) { |
| 226 |
|
if ((nrows <= 0) & (r > 0) & !c) { |
| 227 |
|
cm = cm_resize(cm, maxrow=r); |
| 228 |
|
break; |
| 229 |
|
} else |
| 230 |
|
goto EOFerror; |
| 231 |
+ |
} |
| 232 |
|
} |
| 233 |
|
} |
| 234 |
|
while ((c = getc(fp)) != EOF) |
| 235 |
|
if (!isspace(c)) { |
| 236 |
|
sprintf(errmsg, |
| 237 |
< |
"unexpected data at end of ascii file %s", |
| 238 |
< |
fname); |
| 237 |
> |
"unexpected data at end of ascii input '%s'", |
| 238 |
> |
inspec); |
| 239 |
|
error(WARNING, errmsg); |
| 240 |
|
break; |
| 241 |
|
} |
| 250 |
|
if (nrows <= 0) { /* unknown length */ |
| 251 |
|
if (nread == cm->nrows*cm->ncols) |
| 252 |
|
/* need more space? */ |
| 253 |
< |
cm = cm_resize(cm, 2*cm->nrows); |
| 253 |
> |
cm = cm_resize(cm, cm->nrows+ROWINC); |
| 254 |
|
else if (nread && !(nread % cm->ncols)) |
| 255 |
|
/* seem to be done */ |
| 256 |
|
cm = cm_resize(cm, nread/cm->ncols); |
| 289 |
|
} |
| 290 |
|
if (fgetc(fp) != EOF) { |
| 291 |
|
sprintf(errmsg, |
| 292 |
< |
"unexpected data at end of binary file %s", |
| 293 |
< |
fname); |
| 292 |
> |
"unexpected data at end of binary input '%s'", |
| 293 |
> |
inspec); |
| 294 |
|
error(WARNING, errmsg); |
| 295 |
|
} |
| 296 |
|
} |
| 297 |
< |
if (fp != stdin) |
| 298 |
< |
fclose(fp); |
| 297 |
> |
if (fp != stdin) { |
| 298 |
> |
if (inspec[0] != '!') |
| 299 |
> |
fclose(fp); |
| 300 |
> |
else if (pclose(fp)) { |
| 301 |
> |
sprintf(errmsg, "error running command '%s'", inspec); |
| 302 |
> |
error(WARNING, errmsg); |
| 303 |
> |
} |
| 304 |
> |
} |
| 305 |
|
#ifdef getc_unlocked |
| 306 |
|
else |
| 307 |
|
funlockfile(fp); |
| 308 |
|
#endif |
| 309 |
|
return(cm); |
| 310 |
|
EOFerror: |
| 311 |
< |
sprintf(errmsg, "unexpected EOF reading %s", fname); |
| 311 |
> |
sprintf(errmsg, "unexpected EOF reading %s", inspec); |
| 312 |
|
error(USER, errmsg); |
| 313 |
|
not_handled: |
| 314 |
|
error(INTERNAL, "unhandled data size or length in cm_load()"); |
