1251876Speter/* Licensed to the Apache Software Foundation (ASF) under one or more 2251876Speter * contributor license agreements. See the NOTICE file distributed with 3251876Speter * this work for additional information regarding copyright ownership. 4251876Speter * The ASF licenses this file to You under the Apache License, Version 2.0 5251876Speter * (the "License"); you may not use this file except in compliance with 6251876Speter * the License. You may obtain a copy of the License at 7251876Speter * 8251876Speter * http://www.apache.org/licenses/LICENSE-2.0 9251876Speter * 10251876Speter * Unless required by applicable law or agreed to in writing, software 11251876Speter * distributed under the License is distributed on an "AS IS" BASIS, 12251876Speter * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13251876Speter * See the License for the specific language governing permissions and 14251876Speter * limitations under the License. 15251876Speter */ 16251876Speter 17251876Speter#ifndef APR_STRMATCH_H 18251876Speter#define APR_STRMATCH_H 19251876Speter/** 20251876Speter * @file apr_strmatch.h 21251876Speter * @brief APR-UTIL string matching routines 22251876Speter */ 23251876Speter 24251876Speter#include "apu.h" 25251876Speter#include "apr_pools.h" 26251876Speter 27251876Speter#ifdef __cplusplus 28251876Speterextern "C" { 29251876Speter#endif 30251876Speter 31251876Speter/** 32251876Speter * @defgroup APR_Util_StrMatch String matching routines 33251876Speter * @ingroup APR_Util 34251876Speter * @{ 35251876Speter */ 36251876Speter 37251876Speter/** @see apr_strmatch_pattern */ 38251876Spetertypedef struct apr_strmatch_pattern apr_strmatch_pattern; 39251876Speter 40251876Speter/** 41251876Speter * Precompiled search pattern 42251876Speter */ 43251876Speterstruct apr_strmatch_pattern { 44251876Speter /** Function called to compare */ 45251876Speter const char *(*compare)(const apr_strmatch_pattern *this_pattern, 46251876Speter const char *s, apr_size_t slen); 47251876Speter const char *pattern; /**< Current pattern */ 48251876Speter apr_size_t length; /**< Current length */ 49251876Speter void *context; /**< hook to add precomputed metadata */ 50251876Speter}; 51251876Speter 52251876Speter#if defined(DOXYGEN) 53251876Speter/** 54251876Speter * Search for a precompiled pattern within a string 55251876Speter * @param pattern The pattern 56251876Speter * @param s The string in which to search for the pattern 57251876Speter * @param slen The length of s (excluding null terminator) 58251876Speter * @return A pointer to the first instance of the pattern in s, or 59251876Speter * NULL if not found 60251876Speter */ 61251876SpeterAPU_DECLARE(const char *) apr_strmatch(const apr_strmatch_pattern *pattern, 62251876Speter const char *s, apr_size_t slen); 63251876Speter#else 64251876Speter#define apr_strmatch(pattern, s, slen) (*((pattern)->compare))((pattern), (s), (slen)) 65251876Speter#endif 66251876Speter 67251876Speter/** 68251876Speter * Precompile a pattern for matching using the Boyer-Moore-Horspool algorithm 69251876Speter * @param p The pool from which to allocate the pattern 70251876Speter * @param s The pattern string 71251876Speter * @param case_sensitive Whether the matching should be case-sensitive 72251876Speter * @return a pointer to the compiled pattern, or NULL if compilation fails 73251876Speter */ 74251876SpeterAPU_DECLARE(const apr_strmatch_pattern *) apr_strmatch_precompile(apr_pool_t *p, const char *s, int case_sensitive); 75251876Speter 76251876Speter/** @} */ 77251876Speter#ifdef __cplusplus 78251876Speter} 79251876Speter#endif 80251876Speter 81251876Speter#endif /* !APR_STRMATCH_H */ 82