github.com/krum110487/go-htaccess@v0.0.0-20240316004156-60641c8e7598/tests/data/apache_2_2_34/include/apr_strmatch.h (about)

     1  /* Licensed to the Apache Software Foundation (ASF) under one or more
     2   * contributor license agreements.  See the NOTICE file distributed with
     3   * this work for additional information regarding copyright ownership.
     4   * The ASF licenses this file to You under the Apache License, Version 2.0
     5   * (the "License"); you may not use this file except in compliance with
     6   * the License.  You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  #ifndef APR_STRMATCH_H
    18  #define APR_STRMATCH_H
    19  /**
    20   * @file apr_strmatch.h
    21   * @brief APR-UTIL string matching routines
    22   */
    23  
    24  #include "apu.h"
    25  #include "apr_pools.h"
    26  
    27  #ifdef __cplusplus
    28  extern "C" {
    29  #endif
    30  
    31  /**
    32   * @defgroup APR_Util_StrMatch String matching routines
    33   * @ingroup APR_Util
    34   * @{
    35   */
    36  
    37  /** @see apr_strmatch_pattern */
    38  typedef struct apr_strmatch_pattern apr_strmatch_pattern;
    39  
    40  /**
    41   * Precompiled search pattern
    42   */
    43  struct apr_strmatch_pattern {
    44      /** Function called to compare */
    45      const char *(*compare)(const apr_strmatch_pattern *this_pattern,
    46                             const char *s, apr_size_t slen);
    47      const char *pattern;    /**< Current pattern */
    48      apr_size_t length;      /**< Current length */
    49      void *context;          /**< hook to add precomputed metadata */
    50  };
    51  
    52  #if defined(DOXYGEN)
    53  /**
    54   * Search for a precompiled pattern within a string
    55   * @param pattern The pattern
    56   * @param s The string in which to search for the pattern
    57   * @param slen The length of s (excluding null terminator)
    58   * @return A pointer to the first instance of the pattern in s, or
    59   *         NULL if not found
    60   */
    61  APU_DECLARE(const char *) apr_strmatch(const apr_strmatch_pattern *pattern,
    62                                         const char *s, apr_size_t slen);
    63  #else
    64  #define apr_strmatch(pattern, s, slen) (*((pattern)->compare))((pattern), (s), (slen))
    65  #endif
    66  
    67  /**
    68   * Precompile a pattern for matching using the Boyer-Moore-Horspool algorithm
    69   * @param p The pool from which to allocate the pattern
    70   * @param s The pattern string
    71   * @param case_sensitive Whether the matching should be case-sensitive
    72   * @return a pointer to the compiled pattern, or NULL if compilation fails
    73   */
    74  APU_DECLARE(const apr_strmatch_pattern *) apr_strmatch_precompile(apr_pool_t *p, const char *s, int case_sensitive);
    75  
    76  /** @} */
    77  #ifdef __cplusplus
    78  }
    79  #endif
    80  
    81  #endif	/* !APR_STRMATCH_H */