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/*
* Copyright (c) 2002 by The XFree86 Project, Inc.
*
* 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 or substantial portions of the 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 XFREE86 PROJECT 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.
*
* Except as contained in this notice, the name of the XFree86 Project shall
* not be used in advertising or otherwise to promote the sale, use or other
* dealings in this Software without prior written authorization from the
* XFree86 Project.
*
* Author: Paulo César Pereira de Andrade
*/
/* $XFree86: xc/programs/xedit/lisp/re/re.h,v 1.2 2002/09/23 01:25:41 paulo Exp $ */
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#ifndef _re_h
#define _re_h
/*
* Defines
*/
/* Compile flags options */
#define REG_BASIC 0000 /* Not used */
#define REG_EXTENDED 0001 /* Not used, only extended supported */
#define RE_ICASE 0002
#define RE_NOSUB 0004
#define RE_NEWLINE 0010
#define RE_NOSPEC 0020
#define RE_PEND 0040
#define RE_DUMP 0200
/* Execute flag options */
#define RE_NOTBOL 1
#define RE_NOTEOL 2
#define RE_STARTEND 4
#define RE_TRACE 00400 /* Not used/supported */
#define RE_LARGE 01000 /* Not used/supported */
#define RE_BACKR 02000 /* Not used/supported */
/* Value returned by reexec when match fails */
#define RE_NOMATCH 1
/* Compile error values */
#define RE_BADPAT 2
#define RE_ECOLLATE 3
#define RE_ECTYPE 4
#define RE_EESCAPE 5
#define RE_ESUBREG 6
#define RE_EBRACK 7
#define RE_EPAREN 8
#define RE_EBRACE 9
#define RE_EBADBR 10
#define RE_ERANGE 11
#define RE_ESPACE 12
#define RE_BADRPT 13
#define RE_EMPTY 14
#define RE_ASSERT 15
#define RE_INVARG 16
#define RE_ATOI 255 /* Not used/supported */
#define RE_ITOA 0400 /* Not used/supported */
/*
* Types
*/
/* (re)gular expression (mat)ch result */
typedef struct _re_mat {
long rm_so;
long rm_eo;
} re_mat;
/* (re)gular expression (cod)e */
typedef struct _re_cod {
unsigned char *cod;
int re_nsub; /* Public member */
const char *re_endp; /* Support for RE_PEND */
} re_cod;
/*
* Prototypes
*/
/* compile the given pattern string
* returns 0 on success, error code otherwise */
int recomp(re_cod *preg, const char *pattern, int flags);
/* execute the compiled pattern on the string.
* returns 0 if matched, RE_NOMATCH if failed, error code otherwise */
int reexec(const re_cod *preg, const char *string,
int nmat, re_mat pmat[], int flags);
/* formats an error message for the given code in ebuffer */
int reerror(int ecode, const re_cod *preg, char *ebuffer, int ebuffer_size);
/* frees the given parameter */
void refree(re_cod *preg);
#endif /* _re_h */
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