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/* enchant
* Copyright (C) 2003,2004 Dom Lachowicz
* 2006-2007 Harri Pitkänen <hatapitk@iki.fi>
* 2006 Anssi Hannula <anssi.hannula@gmail.com>
* 2017 Børre Gaup <borre.gaup@uit.no>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders
* give permission to link the code of this program with
* non-LGPL Spelling Provider libraries (eg: a MSFT Office
* spell checker backend) and distribute linked combinations including
* the two. You must obey the GNU Lesser General Public License in all
* respects for all of the code used other than said providers. If you modify
* this file, you may extend this exception to your version of the
* file, but you are not obligated to do so. If you do not wish to
* do so, delete this exception statement from your version.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libvoikko/voikko.h>
#include "enchant-provider.h"
/**
* Voikko is a spell checker for VFST and HFST format dictionaries. More information is available from:
*
* http://voikko.sourceforge.net/
*/
static int
voikko_dict_check (EnchantDict * me, const char *const word, size_t len)
{
char *word_nul = g_strndup(word, len);
int result = voikkoSpellCstr((struct VoikkoHandle *)me->user_data, word_nul);
free(word_nul);
if (result == VOIKKO_SPELL_FAILED)
return 1;
else if (result == VOIKKO_SPELL_OK)
return 0;
else
return -1;
}
static char **
voikko_dict_suggest (EnchantDict * me, const char *const word,
size_t len, size_t * out_n_suggs)
{
char *word_nul = g_strndup(word, len);
char **voikko_sugg_arr = voikkoSuggestCstr((struct VoikkoHandle *)me->user_data, word_nul);
free(word_nul);
if (voikko_sugg_arr == NULL)
return NULL;
for (*out_n_suggs = 0; voikko_sugg_arr[*out_n_suggs] != NULL; (*out_n_suggs)++);
char **sugg_arr = calloc(sizeof (char *), *out_n_suggs + 1);
if (sugg_arr == NULL)
return NULL;
for (size_t i = 0; i < *out_n_suggs; i++) {
sugg_arr[i] = strdup (voikko_sugg_arr[i]);
}
voikkoFreeCstrArray (voikko_sugg_arr);
return sugg_arr;
}
static void
voikko_provider_dispose_dict (EnchantProvider * me _GL_UNUSED, EnchantDict * dict)
{
voikkoTerminate((struct VoikkoHandle *)dict->user_data);
free (dict);
}
static char **
voikko_provider_list_dicts (EnchantProvider * me _GL_UNUSED,
size_t * out_n_dicts)
{
size_t i;
char ** out_list = NULL;
*out_n_dicts = 0;
char ** voikko_langs = voikkoListSupportedSpellingLanguages (NULL);
for (i = 0; voikko_langs[i] != NULL; i++) {
(*out_n_dicts)++;
}
if (*out_n_dicts) {
out_list = calloc (*out_n_dicts + 1, sizeof (char *));
if (out_list != NULL)
for (i = 0; i < *out_n_dicts; i++) {
out_list[i] = strdup (voikko_langs[i]);
}
}
voikkoFreeCstrArray(voikko_langs);
return out_list;
}
static int
voikko_provider_dictionary_exists (struct str_enchant_provider * me _GL_UNUSED,
const char *const tag)
{
size_t i;
int exists = 0;
char ** voikko_langs = voikkoListSupportedSpellingLanguages (NULL);
for (i = 0; voikko_langs[i] != NULL; i++) {
if (strncmp (tag, voikko_langs[i], strlen (tag)) == 0) {
exists = 1;
break;
}
}
voikkoFreeCstrArray(voikko_langs);
return exists;
}
static EnchantDict *
voikko_provider_request_dict (EnchantProvider * me, const char *const tag)
{
const char * voikko_error;
if (!voikko_provider_dictionary_exists (NULL, tag)) {
return NULL;
}
struct VoikkoHandle *voikko_handle = voikkoInit (&voikko_error, tag, NULL);
if (voikko_handle == NULL) {
enchant_provider_set_error (me, voikko_error);
return NULL;
}
EnchantDict *dict = calloc (sizeof (EnchantDict), 1);
if (dict == NULL)
return NULL;
dict->user_data = (void *)voikko_handle;
dict->check = voikko_dict_check;
dict->suggest = voikko_dict_suggest;
return dict;
}
static void
voikko_provider_dispose (EnchantProvider * me)
{
free (me);
}
static const char *
voikko_provider_identify (EnchantProvider * me _GL_UNUSED)
{
return "voikko";
}
static const char *
voikko_provider_describe (EnchantProvider * me _GL_UNUSED)
{
return "Voikko Provider";
}
EnchantProvider *init_enchant_provider (void);
EnchantProvider *
init_enchant_provider (void)
{
EnchantProvider *provider = calloc (sizeof (EnchantProvider), 1);
if (provider == NULL)
return NULL;
provider->dispose = voikko_provider_dispose;
provider->request_dict = voikko_provider_request_dict;
provider->dispose_dict = voikko_provider_dispose_dict;
provider->dictionary_exists = voikko_provider_dictionary_exists;
provider->identify = voikko_provider_identify;
provider->describe = voikko_provider_describe;
provider->list_dicts = voikko_provider_list_dicts;
return provider;
}
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