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/*
* Copyright 2025 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_WORD_H
#define RSPAMD_WORD_H
#include "config.h"
#include "fstring.h"
#include "contrib/libucl/kvec.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file word.h
* Word processing structures and definitions
*/
/* Word flags */
#define RSPAMD_WORD_FLAG_TEXT (1u << 0)
#define RSPAMD_WORD_FLAG_META (1u << 1)
#define RSPAMD_WORD_FLAG_LUA_META (1u << 2)
#define RSPAMD_WORD_FLAG_EXCEPTION (1u << 3)
#define RSPAMD_WORD_FLAG_HEADER (1u << 4)
#define RSPAMD_WORD_FLAG_UNIGRAM (1u << 5)
#define RSPAMD_WORD_FLAG_UTF (1u << 6)
#define RSPAMD_WORD_FLAG_NORMALISED (1u << 7)
#define RSPAMD_WORD_FLAG_STEMMED (1u << 8)
#define RSPAMD_WORD_FLAG_BROKEN_UNICODE (1u << 9)
#define RSPAMD_WORD_FLAG_STOP_WORD (1u << 10)
#define RSPAMD_WORD_FLAG_SKIPPED (1u << 11)
#define RSPAMD_WORD_FLAG_INVISIBLE_SPACES (1u << 12)
#define RSPAMD_WORD_FLAG_EMOJI (1u << 13)
/**
* Word structure representing tokenized text
*/
typedef struct rspamd_word_s {
rspamd_ftok_t original; /* utf8 raw */
rspamd_ftok_unicode_t unicode; /* array of unicode characters, normalized, lowercased */
rspamd_ftok_t normalized; /* normalized and lowercased utf8 */
rspamd_ftok_t stemmed; /* stemmed utf8 */
unsigned int flags;
} rspamd_word_t;
/**
* Vector of words using kvec
*/
typedef kvec_t(rspamd_word_t) rspamd_words_t;
/* Legacy typedefs for backward compatibility */
typedef rspamd_word_t rspamd_stat_token_t;
/* Legacy flag aliases for backward compatibility */
#define RSPAMD_STAT_TOKEN_FLAG_TEXT RSPAMD_WORD_FLAG_TEXT
#define RSPAMD_STAT_TOKEN_FLAG_META RSPAMD_WORD_FLAG_META
#define RSPAMD_STAT_TOKEN_FLAG_LUA_META RSPAMD_WORD_FLAG_LUA_META
#define RSPAMD_STAT_TOKEN_FLAG_EXCEPTION RSPAMD_WORD_FLAG_EXCEPTION
#define RSPAMD_STAT_TOKEN_FLAG_HEADER RSPAMD_WORD_FLAG_HEADER
#define RSPAMD_STAT_TOKEN_FLAG_UNIGRAM RSPAMD_WORD_FLAG_UNIGRAM
#define RSPAMD_STAT_TOKEN_FLAG_UTF RSPAMD_WORD_FLAG_UTF
#define RSPAMD_STAT_TOKEN_FLAG_NORMALISED RSPAMD_WORD_FLAG_NORMALISED
#define RSPAMD_STAT_TOKEN_FLAG_STEMMED RSPAMD_WORD_FLAG_STEMMED
#define RSPAMD_STAT_TOKEN_FLAG_BROKEN_UNICODE RSPAMD_WORD_FLAG_BROKEN_UNICODE
#define RSPAMD_STAT_TOKEN_FLAG_STOP_WORD RSPAMD_WORD_FLAG_STOP_WORD
#define RSPAMD_STAT_TOKEN_FLAG_SKIPPED RSPAMD_WORD_FLAG_SKIPPED
#define RSPAMD_STAT_TOKEN_FLAG_INVISIBLE_SPACES RSPAMD_WORD_FLAG_INVISIBLE_SPACES
#define RSPAMD_STAT_TOKEN_FLAG_EMOJI RSPAMD_WORD_FLAG_EMOJI
#ifdef __cplusplus
}
#endif
#endif /* RSPAMD_WORD_H */
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