| /* Copyright 2002-2004 The Apache Software Foundation |
| * |
| * 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 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 */ |