/* Copyright 2000-2004 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_DATE_H #define APR_DATE_H /** * @file apr_date.h * @brief APR-UTIL date routines */ /** * @defgroup APR_Util_Date Date routines * @ingroup APR_Util * @{ */ /* * apr_date.h: prototypes for date parsing utility routines */ #include "apu.h" #include "apr_time.h" #ifdef __cplusplus extern "C" { #endif /** A bad date. */ #define APR_DATE_BAD ((apr_time_t)0) /** * Compare a string to a mask * @param data The string to compare * @param mask Mask characters (arbitrary maximum is 256 characters): *
 *   '\@' - uppercase letter
 *   '\$' - lowercase letter
 *   '\&' - hex digit
 *   '#' - digit
 *   '~' - digit or space
 *   '*' - swallow remaining characters
 * 
* @remark The mask tests for an exact match for any other character * @return 1 if the string matches, 0 otherwise */ APU_DECLARE(int) apr_date_checkmask(const char *data, const char *mask); /** * Parses an HTTP date in one of three standard forms: *
 *     Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
 *     Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
 *     Sun Nov  6 08:49:37 1994       ; ANSI C's asctime() format
 * 
* @param date The date in one of the three formats above * @return the apr_time_t number of microseconds since 1 Jan 1970 GMT, or * 0 if this would be out of range or if the date is invalid. */ APU_DECLARE(apr_time_t) apr_date_parse_http(const char *date); /** * Parses a string resembling an RFC 822 date. This is meant to be * leinent in its parsing of dates. Hence, this will parse a wider * range of dates than apr_date_parse_http. * * The prominent mailer (or poster, if mailer is unknown) that has * been seen in the wild is included for the unknown formats. *
 *     Sun, 06 Nov 1994 08:49:37 GMT  ; RFC 822, updated by RFC 1123
 *     Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
 *     Sun Nov  6 08:49:37 1994       ; ANSI C's asctime() format
 *     Sun, 6 Nov 1994 08:49:37 GMT   ; RFC 822, updated by RFC 1123
 *     Sun, 06 Nov 94 08:49:37 GMT    ; RFC 822
 *     Sun, 6 Nov 94 08:49:37 GMT     ; RFC 822
 *     Sun, 06 Nov 94 08:49 GMT       ; Unknown [drtr\@ast.cam.ac.uk] 
 *     Sun, 6 Nov 94 08:49 GMT        ; Unknown [drtr\@ast.cam.ac.uk]
 *     Sun, 06 Nov 94 8:49:37 GMT     ; Unknown [Elm 70.85]
 *     Sun, 6 Nov 94 8:49:37 GMT      ; Unknown [Elm 70.85] 
 * 
* * @param date The date in one of the formats above * @return the apr_time_t number of microseconds since 1 Jan 1970 GMT, or * 0 if this would be out of range or if the date is invalid. */ APU_DECLARE(apr_time_t) apr_date_parse_rfc(const char *date); /** @} */ #ifdef __cplusplus } #endif #endif /* !APR_DATE_H */