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/*
* Copyright (c) 2015, Vsevolod Stakhov
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef REGEXP_H_
#define REGEXP_H_
#include "config.h"
typedef struct rspamd_regexp_s rspamd_regexp_t;
struct rspamd_regexp_cache;
/**
* Create new rspamd regexp
* @param pattern regexp pattern
* @param flags flags (may be enclosed inside pattern)
* @param err error pointer set if compilation failed
* @return new regexp object
*/
rspamd_regexp_t* rspamd_regexp_new (const gchar *pattern, const gchar *flags,
GError **err);
/**
* Search the specified regexp in the text
* @param re
* @param text
* @param len
* @return
*/
gboolean rspamd_regexp_search (rspamd_regexp_t *re, const gchar *text, gsize len);
/**
* Exact match of the specified text against the regexp
* @param re
* @param text
* @param len
* @return
*/
gboolean rspamd_regexp_match (rspamd_regexp_t *re, const gchar *text, gsize len);
/**
* Increase refcount for a regexp object
*/
rspamd_regexp_t* rspamd_regexp_ref (rspamd_regexp_t *re);
/**
* Unref regexp object
* @param re
*/
void rspamd_regexp_unref (rspamd_regexp_t *re);
/**
* Create new regexp cache
* @return
*/
struct rspamd_regexp_cache* rspamd_regexp_cache_new (void);
/**
* Query rspamd cache for a specified regexp
* @param cache regexp cache. if NULL, the superglobal cache is used (*not* thread-safe)
* @param pattern
* @param flags
* @return
*/
rspamd_regexp_t* rspamd_regexp_cache_query (struct rspamd_regexp_cache* cache,
const gchar *pattern,
const gchar *flags);
/**
* Create or get cached regexp from the specified cache
* @param cache regexp cache. if NULL, the superglobal cache is used (*not* thread-safe)
* @param pattern regexp pattern
* @param flags flags (may be enclosed inside pattern)
* @param err error pointer set if compilation failed
* @return new regexp object
*/
rspamd_regexp_t* rspamd_regexp_cache_create (struct rspamd_regexp_cache *cache,
const gchar *pattern,
const gchar *flags, GError **err);
/**
* Destroy regexp cache and unref all elements inside it
* @param cache
*/
void rspamd_regexp_cache_destroy (struct rspamd_regexp_cache *cache);
#endif /* REGEXP_H_ */
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