void
idn_resconf_setmapper(idn_resconf_t ctx, idn_mapper_t mapper) {
assert(ctx != NULL);
TRACE(("idn_resconf_setmapper()\n"));
if (ctx->mapper != NULL)
idn_mapper_destroy(ctx->mapper);
ctx->mapper = mapper;
if (mapper != NULL)
idn_mapper_incrref(ctx->mapper);
}
static idn_result_t
label_map(idn_resconf_t ctx, labellist_t label) {
const unsigned long *from;
unsigned long *to = NULL;
size_t to_length;
idn_mapper_t mapper;
idn_result_t r;
from = labellist_getname(label);
TRACE(("res map(label=\"%s\")\n", idn__debug_ucs4xstring(from, 50)));
mapper = idn_resconf_getmapper(ctx);
if (mapper == NULL) {
r = idn_success;
goto ret;
}
to_length = idn_ucs4_strlen(from) + 1 + 15; /* 15 for margin */
for (;;) {
unsigned long *new_buffer;
new_buffer = (unsigned long *)
realloc(to, sizeof(long) * to_length);
if (new_buffer == NULL) {
r = idn_nomemory;
goto ret;
}
to = new_buffer;
r = idn_mapper_map(mapper, from, to, to_length);
if (r == idn_success)
break;
else if (r != idn_buffer_overflow)
goto ret;
to_length *= 2;
}
r = labellist_setname(label, to);
ret:
if (r == idn_success) {
TRACE(("res map(): success (label=\"%s\")\n",
idn__debug_ucs4xstring(labellist_getname(label),
50)));
} else {
TRACE(("res map(): %s\n", idn_result_tostring(r)));
}
if (mapper != NULL)
idn_mapper_destroy(mapper);
free(to);
return (r);
}
idn_result_t
idn_resconf_setnameprepversion(idn_resconf_t ctx, const char *version)
{
char prohibit_scheme_name[MAX_CONF_LINE_LENGTH + 1];
char unassigned_scheme_name[MAX_CONF_LINE_LENGTH + 1];
char bidi_scheme_name[MAX_CONF_LINE_LENGTH + 1];
idn_mapper_t mapper = NULL;
idn_normalizer_t normalizer = NULL;
idn_checker_t prohibit_checker = NULL;
idn_checker_t unassigned_checker = NULL;
idn_checker_t bidi_checker = NULL;
idn_result_t r;
assert(ctx != NULL && version != NULL);
TRACE(("idn_resconf_setnameprepversion()\n"));
/*
* Set canonical scheme names.
*/
if (strlen(version) + strlen(IDN_CHECKER_PROHIBIT_PREFIX)
> MAX_CONF_LINE_LENGTH) {
r = idn_invalid_name;
goto failure;
}
sprintf(prohibit_scheme_name, "%s%s",
IDN_CHECKER_PROHIBIT_PREFIX, version);
if (strlen(version) + strlen(IDN_CHECKER_UNASSIGNED_PREFIX)
> MAX_CONF_LINE_LENGTH) {
r = idn_invalid_name;
goto failure;
}
sprintf(unassigned_scheme_name, "%s%s",
IDN_CHECKER_UNASSIGNED_PREFIX, version);
if (strlen(version) + strlen(IDN_CHECKER_BIDI_PREFIX)
> MAX_CONF_LINE_LENGTH) {
r = idn_invalid_name;
goto failure;
}
sprintf(bidi_scheme_name, "%s%s",
IDN_CHECKER_BIDI_PREFIX, version);
/*
* Create objects.
*/
r = idn_mapper_create(&mapper);
if (r != idn_success)
goto failure;
r = idn_normalizer_create(&normalizer);
if (r != idn_success)
goto failure;
r = idn_checker_create(&prohibit_checker);
if (r != idn_success)
goto failure;
r = idn_checker_create(&unassigned_checker);
if (r != idn_success)
goto failure;
r = idn_checker_create(&bidi_checker);
if (r != idn_success)
goto failure;
r = idn_mapper_add(mapper, version);
if (r != idn_success)
goto failure;
r = idn_normalizer_add(normalizer, version);
if (r != idn_success)
goto failure;
r = idn_checker_add(prohibit_checker, prohibit_scheme_name);
if (r != idn_success)
goto failure;
r = idn_checker_add(unassigned_checker, unassigned_scheme_name);
if (r != idn_success)
goto failure;
r = idn_checker_add(bidi_checker, bidi_scheme_name);
if (r != idn_success)
goto failure;
/*
* Set the objects.
*/
idn_resconf_setmapper(ctx, mapper);
idn_resconf_setnormalizer(ctx, normalizer);
idn_resconf_setprohibitchecker(ctx, prohibit_checker);
idn_resconf_setunassignedchecker(ctx, unassigned_checker);
idn_resconf_setbidichecker(ctx, bidi_checker);
/*
* Destroy the objects.
*/
idn_mapper_destroy(mapper);
idn_normalizer_destroy(normalizer);
idn_checker_destroy(prohibit_checker);
idn_checker_destroy(unassigned_checker);
idn_checker_destroy(bidi_checker);
return (idn_success);
failure:
if (mapper != NULL)
idn_mapper_destroy(mapper);
if (normalizer != NULL)
idn_normalizer_destroy(normalizer);
if (prohibit_checker != NULL)
idn_checker_destroy(prohibit_checker);
if (unassigned_checker != NULL)
idn_checker_destroy(unassigned_checker);
if (bidi_checker != NULL)
idn_checker_destroy(bidi_checker);
return (r);
}
