| 1 |
greg |
2.1 |
#ifndef lint |
| 2 |
greg |
2.2 |
static const char RCSid[] = "$Id: rcode_ident.c,v 2.1 2019/07/19 22:25:03 greg Exp $"; |
| 3 |
greg |
2.1 |
#endif |
| 4 |
|
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/* |
| 5 |
|
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* Create or read identifier index map |
| 6 |
|
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* |
| 7 |
|
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*/ |
| 8 |
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| 9 |
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#include <stdlib.h> |
| 10 |
|
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#include <ctype.h> |
| 11 |
|
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#include "rtio.h" |
| 12 |
|
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#include "platform.h" |
| 13 |
|
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#include "lookup.h" |
| 14 |
|
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#include "idmap.h" |
| 15 |
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|
| 16 |
|
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#ifndef MAXIDLEN |
| 17 |
|
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#define MAXIDLEN 256 /* longest ID length supported */ |
| 18 |
|
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#endif |
| 19 |
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|
|
| 20 |
|
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char *progname; /* global argv[0] */ |
| 21 |
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|
|
| 22 |
|
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static int unbuffered = 0; |
| 23 |
|
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static int sepc = '\n'; |
| 24 |
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| 25 |
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|
| 26 |
|
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/* Report usage error and exit */ |
| 27 |
|
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static void |
| 28 |
|
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usage_exit(int code) |
| 29 |
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{ |
| 30 |
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fputs("Usage: ", stderr); |
| 31 |
|
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fputs(progname, stderr); |
| 32 |
|
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fputs(" [-8|-16|-24][-h][-tS][-x xr -y yr] [input.txt [output.idx]]\n", |
| 33 |
|
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stderr); |
| 34 |
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fputs(" Or: ", stderr); |
| 35 |
|
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fputs(progname, stderr); |
| 36 |
|
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fputs(" -r [-i][-u][-h][-H][-tS] input.idx [output.txt]\n", stderr); |
| 37 |
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exit(code); |
| 38 |
|
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} |
| 39 |
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|
| 40 |
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|
| 41 |
|
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/* read identifier from input, trimming white space on either end */ |
| 42 |
|
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static int |
| 43 |
|
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scan_ident(char ident[MAXIDLEN], FILE *fp) |
| 44 |
|
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{ |
| 45 |
|
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char *cp = ident; |
| 46 |
|
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int c; |
| 47 |
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|
| 48 |
|
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while ((c = getc(fp)) != EOF) { |
| 49 |
|
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if (cp == ident && isspace(c)) |
| 50 |
|
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continue; |
| 51 |
|
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if (c == sepc) { |
| 52 |
|
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while (cp > ident && isspace(cp[-1])) |
| 53 |
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cp--; |
| 54 |
|
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*cp = '\0'; |
| 55 |
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return cp - ident; /* return string length */ |
| 56 |
|
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} |
| 57 |
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if (cp - ident >= MAXIDLEN-1) { |
| 58 |
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fputs(progname, stderr); |
| 59 |
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fputs(": identifier too long in scan_ident()\n", stderr); |
| 60 |
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return -1; |
| 61 |
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} |
| 62 |
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*cp++ = c; |
| 63 |
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} |
| 64 |
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return -1; |
| 65 |
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} |
| 66 |
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| 67 |
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|
| 68 |
|
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/* elide format from header lines */ |
| 69 |
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static int |
| 70 |
|
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headline(char *s, void *p) |
| 71 |
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{ |
| 72 |
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extern const char FMTSTR[]; |
| 73 |
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| 74 |
|
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if (strstr(s, FMTSTR) == s) |
| 75 |
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return 0; |
| 76 |
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| 77 |
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fputs(s, stdout); |
| 78 |
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return 1; |
| 79 |
|
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} |
| 80 |
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| 81 |
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|
| 82 |
|
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/* Create an identifier index from the given input file (stdin if NULL) */ |
| 83 |
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int |
| 84 |
|
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create_index(const char *fname, int hdrflags, int ndxbytes, int xres, int yres) |
| 85 |
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{ |
| 86 |
|
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FILE *fp = stdin; |
| 87 |
|
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char **idmap; |
| 88 |
|
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int idmlen; |
| 89 |
|
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int nextID = 0; |
| 90 |
|
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LUTAB hashtab = LU_SINIT(free,NULL); |
| 91 |
|
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RESOLU rs; |
| 92 |
|
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long n; |
| 93 |
|
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int ndx; |
| 94 |
|
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/* open file if not stdin */ |
| 95 |
greg |
2.2 |
if (!fname) |
| 96 |
|
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fname = "<stdin>"; |
| 97 |
|
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else if (!(fp = fopen(fname, "r"))) { |
| 98 |
greg |
2.1 |
fputs(fname, stderr); |
| 99 |
|
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fputs(": cannot open for input\n", stderr); |
| 100 |
|
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return 0; |
| 101 |
|
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} |
| 102 |
|
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#ifdef getc_unlocked /* avoid stupid semaphores */ |
| 103 |
|
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flockfile(fp); |
| 104 |
|
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#endif |
| 105 |
|
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/* load/copy header */ |
| 106 |
|
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if (hdrflags & HF_HEADOUT && getheader(fp, headline, NULL) < 0) { |
| 107 |
|
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fputs(fname, stderr); |
| 108 |
|
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fputs(": bad header or wrong input format\n", stderr); |
| 109 |
|
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fclose(fp); |
| 110 |
|
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return 0; |
| 111 |
|
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} |
| 112 |
|
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if (!(hdrflags & HF_HEADOUT)) |
| 113 |
|
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newheader("RADIANCE", stdout); |
| 114 |
|
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/* finish & allocate ID table */ |
| 115 |
|
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switch (ndxbytes) { |
| 116 |
|
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case 1: |
| 117 |
|
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fputformat(IDMAP8FMT, stdout); |
| 118 |
|
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idmap = (char **)malloc((idmlen=256)*sizeof(char *)); |
| 119 |
|
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break; |
| 120 |
|
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case 2: |
| 121 |
|
|
fputformat(IDMAP16FMT, stdout); |
| 122 |
|
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idmap = (char **)malloc((idmlen=4096)*sizeof(char *)); |
| 123 |
|
|
break; |
| 124 |
|
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case 3: |
| 125 |
|
|
fputformat(IDMAP24FMT, stdout); |
| 126 |
|
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idmap = (char **)malloc((idmlen=1L<<17)*sizeof(char *)); |
| 127 |
|
|
break; |
| 128 |
|
|
default: |
| 129 |
|
|
fputs(progname, stderr); |
| 130 |
|
|
fputs(": unsupported bits/pixel\n", stderr); |
| 131 |
|
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return 0; |
| 132 |
|
|
} |
| 133 |
|
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if (!idmap || !lu_init(&hashtab, idmlen)) |
| 134 |
|
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goto memerr; |
| 135 |
|
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fputc('\n', stdout); /* end of info header */ |
| 136 |
|
|
|
| 137 |
|
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rs.rt = PIXSTANDARD; /* get/write map resolution */ |
| 138 |
|
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if (hdrflags & HF_RESOUT) { |
| 139 |
|
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if (!fgetsresolu(&rs, fp)) { |
| 140 |
|
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fputs(fname, stderr); |
| 141 |
|
|
fputs(": bad resolution string\n", stderr); |
| 142 |
|
|
return 0; |
| 143 |
|
|
} |
| 144 |
|
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} else if (((rs.xr = xres) <= 0) | ((rs.yr = yres) <= 0)) { |
| 145 |
|
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fputs(fname, stderr); |
| 146 |
|
|
fputs(": missing/illegal resolution\n", stderr); |
| 147 |
|
|
return 0; |
| 148 |
|
|
} |
| 149 |
|
|
fputsresolu(&rs, stdout); |
| 150 |
|
|
/* read/assign/write each ID */ |
| 151 |
|
|
for (n = (long)rs.xr*rs.yr; n-- > 0; ) { |
| 152 |
|
|
LUENT *lep; |
| 153 |
|
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char ident[MAXIDLEN]; |
| 154 |
|
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int len = scan_ident(ident, fp); |
| 155 |
|
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if (len < 0) { |
| 156 |
|
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if (feof(fp)) { |
| 157 |
|
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fputs(fname, stderr); |
| 158 |
|
|
fputs(": unexpected EOF\n", stderr); |
| 159 |
|
|
} |
| 160 |
|
|
return 0; |
| 161 |
|
|
} |
| 162 |
|
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lep = lu_find(&hashtab, ident); |
| 163 |
|
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if (!lep->key) { /* new entry */ |
| 164 |
|
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if (nextID >= 1<<(ndxbytes<<3)) { |
| 165 |
|
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fputs(progname, stderr); |
| 166 |
|
|
fputs( |
| 167 |
|
|
": too many unique identifiers for index size\n", |
| 168 |
|
|
stderr); |
| 169 |
|
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return 0; |
| 170 |
|
|
} |
| 171 |
|
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if (nextID >= idmlen) { /* reallocate? */ |
| 172 |
|
|
idmlen += idmlen>>2; /* +25% growth */ |
| 173 |
|
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idmap = (char **)realloc(idmap, idmlen); |
| 174 |
|
|
if (!idmap) |
| 175 |
|
|
goto memerr; |
| 176 |
|
|
} |
| 177 |
|
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lep->key = (char *)malloc(len+1); |
| 178 |
|
|
if (!lep->key) |
| 179 |
|
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goto memerr; |
| 180 |
|
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idmap[nextID] = strcpy(lep->key, ident); |
| 181 |
|
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lep->data = (char *)nextID++; |
| 182 |
|
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} |
| 183 |
|
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/* write this id index */ |
| 184 |
|
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putint((int)lep->data, ndxbytes, stdout); |
| 185 |
|
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} |
| 186 |
|
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while ((ndx = getc(fp)) != EOF) /* verify we got them all */ |
| 187 |
|
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if (!isspace(ndx)) { |
| 188 |
|
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fputs(fname, stderr); |
| 189 |
|
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fputs(": warning - non-white characters past end\n", |
| 190 |
|
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stderr); |
| 191 |
|
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break; |
| 192 |
|
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} |
| 193 |
greg |
2.2 |
if (fp != stdin) /* done with input */ |
| 194 |
|
|
fclose(fp); |
| 195 |
greg |
2.1 |
for (ndx = 0; ndx < nextID; ndx++) { /* append string table */ |
| 196 |
|
|
fputs(idmap[ndx], stdout); |
| 197 |
|
|
putchar('\0'); /* nul-terminated IDs */ |
| 198 |
|
|
} |
| 199 |
|
|
free(idmap); /* clean up */ |
| 200 |
|
|
lu_done(&hashtab); |
| 201 |
|
|
return 1; |
| 202 |
|
|
memerr: |
| 203 |
|
|
fputs(progname, stderr); |
| 204 |
|
|
fputs(": out of memory!\n", stderr); |
| 205 |
|
|
return 0; |
| 206 |
|
|
} |
| 207 |
|
|
|
| 208 |
|
|
|
| 209 |
|
|
/* Load selected pixels from identifier index file */ |
| 210 |
|
|
int |
| 211 |
|
|
decode_select(const char *fname, int hdrflags) |
| 212 |
|
|
{ |
| 213 |
|
|
IDMAP *idmp = idmap_ropen(fname, hdrflags); |
| 214 |
|
|
int x, y; |
| 215 |
|
|
|
| 216 |
|
|
if (!idmp) |
| 217 |
|
|
return 0; |
| 218 |
|
|
|
| 219 |
|
|
if (idmp->res.rt != PIXSTANDARD) { |
| 220 |
|
|
fputs(progname, stderr); |
| 221 |
|
|
fputs(": can only handle standard pixel ordering\n", stderr); |
| 222 |
|
|
idmap_close(idmp); |
| 223 |
|
|
return 0; |
| 224 |
|
|
} |
| 225 |
|
|
while (scanf("%d %d", &x, &y) == 2) { |
| 226 |
|
|
const char *id; |
| 227 |
|
|
|
| 228 |
|
|
if ((x < 0) | (y < 0) | |
| 229 |
|
|
(x >= idmp->res.xr) | (y >= idmp->res.yr)) { |
| 230 |
|
|
fputs(progname, stderr); |
| 231 |
|
|
fputs(": warning - pixel index is off map\n", stderr); |
| 232 |
|
|
continue; |
| 233 |
|
|
} |
| 234 |
|
|
y = idmp->res.yr-1 - y; |
| 235 |
|
|
|
| 236 |
|
|
if (!(id = idmap_pix(idmp, x, y))) { |
| 237 |
|
|
idmap_close(idmp); |
| 238 |
|
|
return 0; |
| 239 |
|
|
} |
| 240 |
|
|
fputs(id, stdout); |
| 241 |
|
|
putchar(sepc); |
| 242 |
|
|
if (unbuffered && fflush(stdout) == EOF) { |
| 243 |
|
|
fputs(progname, stderr); |
| 244 |
|
|
fputs(": write error on output\n", stderr); |
| 245 |
|
|
idmap_close(idmp); |
| 246 |
|
|
return 0; |
| 247 |
|
|
} |
| 248 |
|
|
} |
| 249 |
|
|
idmap_close(idmp); |
| 250 |
|
|
|
| 251 |
|
|
if (!feof(stdin)) { |
| 252 |
|
|
fputs(progname, stderr); |
| 253 |
|
|
fputs(": non-numeric input for pixel index\n", stderr); |
| 254 |
|
|
return 0; |
| 255 |
|
|
} |
| 256 |
|
|
return 1; |
| 257 |
|
|
} |
| 258 |
|
|
|
| 259 |
|
|
|
| 260 |
|
|
/* Load and convert identifier index file to ASCII */ |
| 261 |
|
|
int |
| 262 |
|
|
decode_all(const char *fname, int hdrflags) |
| 263 |
|
|
{ |
| 264 |
|
|
IDMAP *idmp = idmap_ropen(fname, hdrflags); |
| 265 |
|
|
long n; |
| 266 |
|
|
|
| 267 |
|
|
if (!idmp) |
| 268 |
|
|
return 0; |
| 269 |
|
|
|
| 270 |
|
|
for (n = idmp->res.xr*idmp->res.yr; n-- > 0; ) { |
| 271 |
|
|
const char *id = idmap_next(idmp); |
| 272 |
|
|
if (!id) { |
| 273 |
|
|
fputs(fname, stderr); |
| 274 |
|
|
fputs(": unexpected EOF\n", stderr); |
| 275 |
|
|
idmap_close(idmp); |
| 276 |
|
|
return 0; |
| 277 |
|
|
} |
| 278 |
|
|
fputs(id, stdout); |
| 279 |
|
|
putchar(sepc); |
| 280 |
|
|
} |
| 281 |
|
|
idmap_close(idmp); |
| 282 |
|
|
return 1; |
| 283 |
|
|
} |
| 284 |
|
|
|
| 285 |
|
|
|
| 286 |
|
|
int |
| 287 |
|
|
main(int argc, char *argv[]) |
| 288 |
|
|
{ |
| 289 |
|
|
char *inpfname = NULL; |
| 290 |
|
|
int reverse = 0; |
| 291 |
|
|
int bypixel = 0; |
| 292 |
|
|
int hdrflags = HF_HEADOUT|HF_RESOUT; |
| 293 |
|
|
int xres=0, yres=0; |
| 294 |
|
|
int ndxbytes = 2; |
| 295 |
|
|
int a; |
| 296 |
|
|
|
| 297 |
|
|
progname = argv[0]; |
| 298 |
|
|
for (a = 1; a < argc && argv[a][0] == '-'; a++) |
| 299 |
|
|
switch (argv[a][1]) { |
| 300 |
|
|
case 'r': |
| 301 |
|
|
reverse++; |
| 302 |
|
|
break; |
| 303 |
|
|
case 'i': |
| 304 |
|
|
bypixel++; |
| 305 |
|
|
break; |
| 306 |
|
|
case 'u': |
| 307 |
|
|
unbuffered++; |
| 308 |
|
|
break; |
| 309 |
|
|
case 'h': |
| 310 |
|
|
hdrflags &= ~HF_HEADOUT; |
| 311 |
|
|
break; |
| 312 |
|
|
case 'H': |
| 313 |
|
|
hdrflags &= ~HF_RESOUT; |
| 314 |
|
|
break; |
| 315 |
|
|
case 't': |
| 316 |
|
|
if (!(sepc = argv[a][2])) |
| 317 |
|
|
sepc = '\n'; |
| 318 |
|
|
break; |
| 319 |
|
|
case 'x': |
| 320 |
|
|
xres = atoi(argv[++a]); |
| 321 |
|
|
break; |
| 322 |
|
|
case 'y': |
| 323 |
|
|
yres = atoi(argv[++a]); |
| 324 |
|
|
break; |
| 325 |
|
|
case '8': |
| 326 |
|
|
case '1': |
| 327 |
|
|
case '2': |
| 328 |
|
|
switch (atoi(argv[a]+1)) { |
| 329 |
|
|
case 8: |
| 330 |
|
|
ndxbytes = 1; |
| 331 |
|
|
break; |
| 332 |
|
|
case 16: |
| 333 |
|
|
ndxbytes = 2; |
| 334 |
|
|
break; |
| 335 |
|
|
case 24: |
| 336 |
|
|
ndxbytes = 3; |
| 337 |
|
|
break; |
| 338 |
|
|
default: |
| 339 |
|
|
usage_exit(1); |
| 340 |
|
|
} |
| 341 |
|
|
break; |
| 342 |
|
|
default: |
| 343 |
|
|
usage_exit(1); |
| 344 |
|
|
} |
| 345 |
greg |
2.2 |
if ((xres > 0) & (yres > 0)) /* user specified resolution? */ |
| 346 |
|
|
hdrflags &= ~HF_RESOUT; |
| 347 |
greg |
2.1 |
if (reverse && a >= argc) { |
| 348 |
|
|
fputs(progname, stderr); |
| 349 |
|
|
fputs(": -r option requires named input file\n", stderr); |
| 350 |
|
|
return 1; |
| 351 |
|
|
} |
| 352 |
|
|
if (a < argc-2) { |
| 353 |
|
|
fputs(progname, stderr); |
| 354 |
|
|
fputs(": too many file arguments\n", stderr); |
| 355 |
|
|
return 1; |
| 356 |
|
|
} |
| 357 |
|
|
if (a < argc) |
| 358 |
|
|
inpfname = argv[a]; |
| 359 |
|
|
if (a+1 < argc && !freopen(argv[a+1], "w", stdout)) { |
| 360 |
|
|
fputs(argv[a+1], stderr); |
| 361 |
|
|
fputs(": cannot open output\n", stderr); |
| 362 |
|
|
return 1; |
| 363 |
|
|
} |
| 364 |
|
|
if (!reverse) |
| 365 |
|
|
SET_FILE_BINARY(stdout); |
| 366 |
|
|
#ifdef getc_unlocked /* avoid stupid semaphores */ |
| 367 |
|
|
flockfile(stdout); |
| 368 |
|
|
#endif |
| 369 |
|
|
if (reverse) { |
| 370 |
|
|
if (!(bypixel ? decode_select(inpfname, hdrflags) : |
| 371 |
|
|
decode_all(inpfname, hdrflags))) |
| 372 |
|
|
return 1; |
| 373 |
|
|
} else if (!create_index(inpfname, hdrflags, ndxbytes, xres, yres)) |
| 374 |
|
|
return 1; |
| 375 |
|
|
|
| 376 |
|
|
if (fflush(stdout) == EOF) { |
| 377 |
|
|
fputs(progname, stderr); |
| 378 |
|
|
fputs(": error writing output\n", stderr); |
| 379 |
|
|
return 1; |
| 380 |
|
|
} |
| 381 |
|
|
return 0; |
| 382 |
|
|
} |
