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/*-
* Copyright 2023 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_FASTTEXT_H
#define RSPAMD_LANG_DETECTION_FASTTEXT_H
#include "config.h"
G_BEGIN_DECLS
struct rspamd_config;
struct rspamd_task; /* for logging */
/**
* Initialize fasttext language detector
* @param cfg
* @return opaque pointer
*/
void *rspamd_lang_detection_fasttext_init(struct rspamd_config *cfg);
/**
* Check if fasttext language detector is enabled
* @param ud
* @return
*/
bool rspamd_lang_detection_fasttext_is_enabled(void *ud);
/**
* Show info about fasttext language detector
* @param ud
* @return
*/
char *rspamd_lang_detection_fasttext_show_info(void *ud);
typedef void *rspamd_fasttext_predict_result_t;
/**
* Detect language using fasttext
* @param ud opaque pointer
* @param in input text
* @param len length of input text
* @param k number of results to return
* @return TRUE if language is detected
*/
rspamd_fasttext_predict_result_t rspamd_lang_detection_fasttext_detect(void *ud,
struct rspamd_task *task, GArray *utf_words, int k);
/**
* Get number of languages detected
* @param ud
* @return
*/
unsigned int rspamd_lang_detection_fasttext_get_nlangs(rspamd_fasttext_predict_result_t ud);
/**
* Get language from fasttext result
* @param res
* @return
*/
const char *rspamd_lang_detection_fasttext_get_lang(rspamd_fasttext_predict_result_t res, unsigned int idx);
/**
* Get probability from fasttext result
* @param res
* @return
*/
float rspamd_lang_detection_fasttext_get_prob(rspamd_fasttext_predict_result_t res, unsigned int idx);
/**
* Destroy fasttext result
* @param res
*/
void rspamd_fasttext_predict_result_destroy(rspamd_fasttext_predict_result_t res);
/**
* Destroy fasttext language detector
*/
void rspamd_lang_detection_fasttext_destroy(void *ud);
G_END_DECLS
#endif /* RSPAMD_LANG_DETECTION_FASTTEXT_H */
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