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/*-
* Copyright 2017 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RSPAMD_LANG_DETECTION_H
#define RSPAMD_LANG_DETECTION_H
#include "config.h"
#include "libserver/cfg_file.h"
#include "libstat/stat_api.h"
struct rspamd_lang_detector;
struct rspamd_language_elt;
struct rspamd_task;
struct rspamd_lang_detector_res {
gdouble prob;
const gchar *lang;
struct rspamd_language_elt *elt;
};
/**
* Create new language detector object using configuration object
* @param cfg
* @return
*/
struct rspamd_lang_detector* rspamd_language_detector_init (struct rspamd_config *cfg);
struct rspamd_lang_detector* rspamd_language_detector_ref (struct rspamd_lang_detector* d);
void rspamd_language_detector_unref (struct rspamd_lang_detector* d);
/**
* Convert string from utf8 to ucs32
* @param d
* @param utf_token
* @param ucs_token
*/
void rspamd_language_detector_to_ucs (struct rspamd_lang_detector *d,
rspamd_mempool_t *pool,
rspamd_stat_token_t *utf_token,
rspamd_stat_token_t *ucs_token);
/**
* Try to detect language of words
* @param d
* @param ucs_tokens
* @param words_len
* @return array of struct rspamd_lang_detector_res sorted by freq descending
*/
GPtrArray * rspamd_language_detector_detect (struct rspamd_task *task,
struct rspamd_lang_detector *d,
GArray *ucs_tokens, gsize words_len);
#endif
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