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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* Portions of this software are based upon public domain software
* originally written at the National Center for Supercomputing Applications,
* University of Illinois, Urbana-Champaign.
*/
#ifndef APR_STRMATCH_H
#define APR_STRMATCH_H
/**
* @file apr_strmatch.h
* @brief APR-UTIL string matching routines
*/
#include "apu.h"
#include "apr_pools.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup APR_Util_StrMatch String matching routines
* @ingroup APR_Util
* @{
*/
/** @see apr_strmatch_pattern */
typedef struct apr_strmatch_pattern apr_strmatch_pattern;
/**
* Precompiled search pattern
*/
struct apr_strmatch_pattern {
/** Function called to compare */
const char *(*compare)(const apr_strmatch_pattern *this_pattern,
const char *s, apr_size_t slen);
const char *pattern; /**< Current pattern */
apr_size_t length; /**< Current length */
void *context; /**< hook to add precomputed metadata */
};
#if defined(DOXYGEN)
/**
* Search for a precompiled pattern within a string
* @param pattern The pattern
* @param s The string in which to search for the pattern
* @param slen The length of s (excluding null terminator)
* @return A pointer to the first instance of the pattern in s, or
* NULL if not found
*/
APU_DECLARE(const char *) apr_strmatch(const apr_strmatch_pattern *pattern,
const char *s, apr_size_t slen);
#else
#define apr_strmatch(pattern, s, slen) (*((pattern)->compare))((pattern), (s), (slen))
#endif
/**
* Precompile a pattern for matching using the Boyer-Moore-Horspool algorithm
* @param p The pool from which to allocate the pattern
* @param s The pattern string
* @param case_sensitive Whether the matching should be case-sensitive
* @return a pointer to the compiled pattern, or NULL if compilation fails
*/
APU_DECLARE(const apr_strmatch_pattern *) apr_strmatch_precompile(apr_pool_t *p, const char *s, int case_sensitive);
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* !APR_STRMATCH_H */
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