idn_result_t
mdn_encodename(int actions, const char *from, char *to, size_t tolen) {
idn_result_t r;
assert(from != NULL && to != NULL);
TRACE(("mdn_encodename(actions=%s, from=\"%s\")\n",
idn__res_actionstostring(actions),
idn__debug_xstring(from, 50)));
if (!initialized && ((r = idn_nameinit(1)) != idn_success))
return (r);
return (idn_res_encodename(default_conf, actions, from, to, tolen));
}
static idn_result_t
convert_line (idnconv_strbuf_t * from, idnconv_strbuf_t * to, idn_resconf_t conf, idn_action_t actions, int flags)
{
idn_result_t r = idn_success;
char *from_str = strbuf_get (from);
for (;;)
{
char *to_str = strbuf_get (to);
size_t to_size = strbuf_size (to);
switch (flags & (FLAG_REVERSE | FLAG_SELECTIVE))
{
case 0:
r = idn_res_encodename (conf, actions, from_str, to_str, to_size);
break;
case FLAG_REVERSE:
r = idn_res_decodename (conf, actions, from_str, to_str, to_size);
break;
case FLAG_SELECTIVE:
r = selective_encode (conf, actions, from_str, to_str, to_size);
break;
case FLAG_REVERSE | FLAG_SELECTIVE:
r = selective_decode (conf, actions, from_str, to_str, to_size);
break;
}
if (r == idn_buffer_overflow)
{
/*
* Conversion is not successful because
* the size of the target buffer is not enough.
* Double the size and retry.
*/
if (strbuf_double (to) == NULL)
{
/* oops. allocation failed. */
return (idn_nomemory);
}
}
else
{
break;
}
}
return (r);
}
int
main(void) {
idn_result_t r = idn_success;
idn_resconf_t ctx = NULL;
char to[1024];
#ifdef HAVE_SETLOCALE
setlocale(LC_ALL, "");
#endif
/*
* Call idn_res_enable(0).
* In case of idnkit-1.0, all IDN conversions are disabled.
* idnkit-2.0 doesn't support this feature. Nothing will happen.
*/
idn_res_enable(0);
r = idn_resconf_initialize();
if (r != idn_success) {
printf("idn_resconf_initialize() ERROR: %s\n",
idn_result_tostring(r));
return (1);
}
r = idn_resconf_create(&ctx);
if (r != idn_success) {
printf("idn_resconf_create() ERROR: %s\n",
idn_result_tostring(r));
return (1);
}
/*
* Convert a sample string.
*/
r = idn_res_encodename(ctx, IDN_ENCODE_LOOKUP, SAMPLE_UTF8_U_LABEL,
to, sizeof(to));
if (r != idn_success) {
printf("idn_res_encodename() ERROR: %s\n",
idn_result_tostring(r));
return (1);
}
if (strcmp(to, SAMPLE_UTF8_U_LABEL) == 0) {
printf("idn_res_enable() still work?\n");
return (1);
}
return (0);
}
BOOL
idnConvReq(idn_resconf_t ctx, const char FAR *from, char FAR *to, size_t tolen)
{
idn_result_t r;
idnLogReset();
idnLogPrintf(idn_log_level_trace, "idnConvReq(from=%-.100s)\n", from);
if (ctx == NULL) {
idnLogPrintf(idn_log_level_trace, "idnConvReq: ctx is NULL\n");
if (strlen(from) >= tolen)
return FALSE;
strcpy(to, from);
return TRUE;
}
r = idn_res_encodename(ctx, IDN_ENCODE_APP, from, to, tolen);
if (r == idn_success) {
return TRUE;
} else {
return FALSE;
}
}
idn_result_t
idn_encodename(idn_action_t actions, const char *from, char *to, size_t tolen) {
idn_result_t r;
assert(from != NULL && to != NULL);
TRACE(("idn_encodename(actions=%s, from=\"%s\")\n",
idn__res_actionstostring(actions),
idn__debug_xstring(from, 50)));
if (!initialized && ((r = idn_nameinit(0)) != idn_success))
goto ret;
r = idn_res_encodename(default_conf, actions, from, to, tolen);
ret:
if (r == idn_success) {
TRACE(("idn_encodename(): success (to=\"%s\")\n",
idn__debug_xstring(to, 50)));
} else {
TRACE(("idn_encodename(): %s\n", idn_result_tostring(r)));
}
return (r);
}
idn_result_t
selective_encode(idn_resconf_t conf, idn_action_t actions,
char *from, char *to, int tolen)
{
for (;;) {
int len;
char *region_start, *region_end;
idn_result_t r;
char save;
/*
* Find the region that needs conversion.
*/
r = idn_selectiveencode_findregion(from, ®ion_start,
®ion_end);
if (r == idn_notfound) {
/*
* Not found. Just copy the whole thing.
*/
if (tolen <= strlen(from))
return (idn_buffer_overflow);
(void)strcpy(to, from);
return (idn_success);
} else if (r != idn_success) {
/* This should not happen.. */
errormsg("internal error at line %d: %s\n",
line_number, idn_result_tostring(r));
return (r);
}
/*
* We have found a region to convert.
* First, copy the prefix part verbatim.
*/
len = region_start - from;
if (tolen < len) {
errormsg("internal buffer overflow at line %d\n",
line_number);
return (idn_buffer_overflow);
}
(void)memcpy(to, from, len);
to += len;
tolen -= len;
/*
* Terminate the region with NUL.
*/
save = *region_end;
*region_end = '\0';
/*
* Encode the region.
*/
r = idn_res_encodename(conf, actions, region_start, to, tolen);
/*
* Restore character.
*/
*region_end = save;
if (r != idn_success)
return (r);
len = strlen(to);
to += len;
tolen -= len;
from = region_end;
}
}
