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/* This file is part of GNU Dico.
Copyright (C) 2008-2021 Sergey Poznyakoff
GNU Dico is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Dico is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Dico. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <dico.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <appi18n.h>
static int
substr_sel(int cmd, struct dico_key *key, const char *dict_word)
{
unsigned *sample;
unsigned *tmp;
int res;
switch (cmd) {
case DICO_SELECT_BEGIN:
if (utf8_mbstr_to_wc(key->word, &sample, NULL))
return 1;
utf8_wc_strupper(sample);
key->call_data = sample;
break;
case DICO_SELECT_RUN:
sample = key->call_data;
if (utf8_mbstr_to_wc(dict_word, &tmp, NULL))
return 0;
utf8_wc_strupper(tmp);
res = !!utf8_wc_strstr(tmp, sample);
free(tmp);
return res;
case DICO_SELECT_END:
free(key->call_data);
break;
}
return 0;
}
static struct dico_strategy substr_strat = {
"substr",
"Match a substring anywhere in the headword",
substr_sel
};
static int
substr_init(int argc, char **argv)
{
dico_strategy_add(&substr_strat);
return 0;
}
static unsigned *
strtowc(const char *str)
{
unsigned *buf;
if (utf8_mbstr_to_wc(str, &buf, NULL)) {
dico_log(L_ERR, errno, "cannot convert \"%s\"", str);
abort();
}
return buf;
}
static int
substr_run_test(int argc, char **argv)
{
unsigned *wa, *wb;
unsigned const *p;
int ret;
argc--;
argv++;
if (argc != 2) {
dico_log(L_ERR, 0, "bad argument list for substr test");
return 1;
}
wa = strtowc(argv[0]);
wb = strtowc(argv[1]);
p = utf8_wc_strstr(wa, wb);
if (p) {
ret = 0;
printf("%td\n", p - wa);
} else
ret = 1;
free(wa);
free(wb);
return ret;
}
struct dico_database_module DICO_EXPORT(substr, module) = {
.dico_version = DICO_MODULE_VERSION,
.dico_capabilities = DICO_CAPA_NODB,
.dico_init = substr_init,
.dico_run_test = substr_run_test
};
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