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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_TOKENIZER_TYPES_H
#define RSPAMD_TOKENIZER_TYPES_H
/*
* Standalone type definitions for custom tokenizers
* This header is completely self-contained and does not depend on any external libraries.
* Custom tokenizers should include only this header to get access to all necessary types.
*/
#include <stdint.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Basic string token structure
*/
typedef struct rspamd_ftok {
size_t len;
const char *begin;
} rspamd_ftok_t;
/**
* Unicode string token structure
*/
typedef struct rspamd_ftok_unicode {
size_t len;
const uint32_t *begin;
} rspamd_ftok_unicode_t;
/* Word flags */
#define RSPAMD_WORD_FLAG_TEXT (1u << 0u)
#define RSPAMD_WORD_FLAG_META (1u << 1u)
#define RSPAMD_WORD_FLAG_LUA_META (1u << 2u)
#define RSPAMD_WORD_FLAG_EXCEPTION (1u << 3u)
#define RSPAMD_WORD_FLAG_HEADER (1u << 4u)
#define RSPAMD_WORD_FLAG_UNIGRAM (1u << 5u)
#define RSPAMD_WORD_FLAG_UTF (1u << 6u)
#define RSPAMD_WORD_FLAG_NORMALISED (1u << 7u)
#define RSPAMD_WORD_FLAG_STEMMED (1u << 8u)
#define RSPAMD_WORD_FLAG_BROKEN_UNICODE (1u << 9u)
#define RSPAMD_WORD_FLAG_STOP_WORD (1u << 10u)
#define RSPAMD_WORD_FLAG_SKIPPED (1u << 11u)
#define RSPAMD_WORD_FLAG_INVISIBLE_SPACES (1u << 12u)
#define RSPAMD_WORD_FLAG_EMOJI (1u << 13u)
/**
* Word structure
*/
typedef struct rspamd_word {
rspamd_ftok_t original;
rspamd_ftok_unicode_t unicode;
rspamd_ftok_t normalized;
rspamd_ftok_t stemmed;
unsigned int flags;
} rspamd_word_t;
/**
* Array of words
*/
typedef struct rspamd_words {
rspamd_word_t *a;
size_t n;
size_t m;
} rspamd_words_t;
#ifdef __cplusplus
}
#endif
#endif /* RSPAMD_TOKENIZER_TYPES_H */
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