/******************************************************************************
 * $Id: mapregex.h,v 1.2 2005/05/27 15:00:12 dan Exp $
 *
 * Project:  MapServer
 * Purpose:  Regex wrapper
 * Author:   Bill Binko
 *
 ******************************************************************************
 * Copyright (c) 1996-2005 Regents of the University of Minnesota.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in 
 * all copies of this Software or works derived from this Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ******************************************************************************
 *
 * $Log: mapregex.h,v $
 * Revision 1.2  2005/05/27 15:00:12  dan
 * New regex wrappers to solve issues with previous version (bug 1354)
 *
 */

#ifndef MAP_REGEX_H
#define MAP_REGEX_H

#ifdef __cplusplus
extern "C" {
#endif
  
  /* We want these to match the POSIX standard, so we need these*/
  /* === regex2.h === */
#ifdef WIN32
#define API_EXPORT(type)    __declspec(dllexport) type __stdcall
#else
#define API_EXPORT(type)    type
#endif
  
  typedef struct {
    void* sys_regex;
  } ms_regex_t;
  
  typedef int ms_regoff_t;
  typedef struct
  {
    ms_regoff_t rm_so;  /* Byte offset from string's start to substring's start.  */
    ms_regoff_t rm_eo;  /* Byte offset from string's start to substring's end.  */
  } ms_regmatch_t;
  
  API_EXPORT(int) ms_regcomp(ms_regex_t *, const char *, int);
  API_EXPORT(size_t) ms_regerror(int, const ms_regex_t *, char *, size_t);
  API_EXPORT(int) ms_regexec(const ms_regex_t *, const char *, size_t, ms_regmatch_t [], int);
  API_EXPORT(void) ms_regfree(ms_regex_t *);

#ifndef BUILDING_REGEX_PROXY

  /* === regcomp.c === */
#define	MS_REG_BASIC	0000
#define	MS_REG_EXTENDED	0001
#define	MS_REG_ICASE	0002
#define	MS_REG_NOSUB	0004
#define	MS_REG_NEWLINE	0010
#define	MS_REG_NOSPEC	0020
#define	MS_REG_PEND	0040
#define	MS_REG_DUMP	0200


/* === regerror.c === */
#define	MS_REG_OKAY	 0
#define	MS_REG_NOMATCH	 1
#define	MS_REG_BADPAT	 2
#define	MS_REG_ECOLLATE	 3
#define	MS_REG_ECTYPE	 4
#define	MS_REG_EESCAPE	 5
#define	MS_REG_ESUBREG	 6
#define	MS_REG_EBRACK	 7
#define	MS_REG_EPAREN	 8
#define	MS_REG_EBRACE	 9
#define	MS_REG_BADBR	10
#define	MS_REG_ERANGE	11
#define	MS_REG_ESPACE	12
#define	MS_REG_BADRPT	13
#define	MS_REG_EMPTY	14
#define	MS_REG_ASSERT	15
#define	MS_REG_INVARG	16
#define	MS_REG_ATOI	255	/* convert name to number (!) */
#define	MS_REG_ITOA	0400	/* convert number to name (!) */


/* === regexec.c === */
#define	MS_REG_NOTBOL	00001
#define	MS_REG_NOTEOL	00002
#define	MS_REG_STARTEND	00004
#define	MS_REG_TRACE	00400	/* tracing of execution */
#define	MS_REG_LARGE	01000	/* force large representation */
#define	MS_REG_BACKR	02000	/* force use of backref code */

#endif


#ifdef __cplusplus
}
#endif

#endif