static int pnm_dec_parseopts(const char *optstr, pnm_dec_importopts_t *opts)
{
jas_tvparser_t *tvp;
opts->max_samples = JAS_DEC_DEFAULT_MAX_SAMPLES;
opts->allow_trunc = 0;
if (!(tvp = jas_tvparser_create(optstr ? optstr : ""))) {
return -1;
}
while (!jas_tvparser_next(tvp)) {
switch (jas_taginfo_nonull(jas_taginfos_lookup(pnm_decopts,
jas_tvparser_gettag(tvp)))->id) {
case OPT_ALLOWTRUNC:
opts->allow_trunc = atoi(jas_tvparser_getval(tvp));
break;
case OPT_MAXSIZE:
opts->max_samples = strtoull(jas_tvparser_getval(tvp), 0, 10);
break;
default:
jas_eprintf("warning: ignoring invalid option %s\n",
jas_tvparser_gettag(tvp));
break;
}
}
jas_tvparser_destroy(tvp);
return 0;
}
/* Parse the encoder options string. */
static int jpg_parseencopts(char *optstr, jpg_encopts_t *encopts)
{
jas_tvparser_t *tvp;
char *qual_str;
int ret;
tvp = 0;
/* Initialize default values for encoder options. */
encopts->qual = -1;
/* Create the tag-value parser. */
if (!(tvp = jas_tvparser_create(optstr ? optstr : ""))) {
goto error;
}
/* Get tag-value pairs, and process as necessary. */
while (!(ret = jas_tvparser_next(tvp))) {
switch (jas_taginfo_nonull(jas_taginfos_lookup(jpg_opttab,
jas_tvparser_gettag(tvp)))->id) {
case OPT_QUAL:
qual_str = jas_tvparser_getval(tvp);
if (sscanf(qual_str, "%d", &encopts->qual) != 1) {
jas_eprintf( "ignoring bad quality specifier %s\n",
jas_tvparser_getval(tvp));
encopts->qual = -1;
}
break;
default:
jas_eprintf("warning: ignoring invalid option %s\n",
jas_tvparser_gettag(tvp));
break;
}
}
if (ret < 0) {
goto error;
}
/* Destroy the tag-value parser. */
jas_tvparser_destroy(tvp);
return 0;
error:
if (tvp) {
jas_tvparser_destroy(tvp);
}
return -1;
}
