124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
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/*
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* Copyright (c) 2002 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the XFree86 Project shall
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* not be used in advertising or otherwise to promote the sale, use or other
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* dealings in this Software without prior written authorization from the
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* XFree86 Project.
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*
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* Author: Paulo César Pereira de Andrade
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*/
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/* $XFree86: xc/programs/xedit/lisp/re/re.h,v 1.1 2002/09/08 02:29:50 paulo Exp $ */
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#ifndef _re_h
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#define _re_h
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/*
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* Defines
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*/
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/* Compile flags options */
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#define REG_BASIC 0000 /* Not used */
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#define REG_EXTENDED 0001 /* Not used, only extended supported */
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#define RE_ICASE 0002
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#define RE_NOSUB 0004
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#define RE_NEWLINE 0010
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#define RE_NOSPEC 0020
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#define RE_PEND 0040
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#define RE_DUMP 0200
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/* Execute flag options */
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#define RE_NOTBOL 1
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#define RE_NOTEOL 2
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#define RE_STARTEND 4
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#define RE_TRACE 00400 /* Not used/supported */
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#define RE_LARGE 01000 /* Not used/supported */
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#define RE_BACKR 02000 /* Not used/supported */
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/* Value returned by reexec when match fails */
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#define RE_NOMATCH 1
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/* Compile error values */
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#define RE_BADPAT 2
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#define RE_ECOLLATE 3
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#define RE_ECTYPE 4
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#define RE_EESCAPE 5
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#define RE_ESUBREG 6
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#define RE_EBRACK 7
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#define RE_EPAREN 8
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#define RE_EBRACE 9
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#define RE_EBADBR 10
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#define RE_ERANGE 11
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#define RE_ESPACE 12
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#define RE_BADRPT 13
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#define RE_EMPTY 14
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#define RE_ASSERT 15
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#define RE_INVARG 16
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#define RE_ATOI 255 /* Not used/supported */
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#define RE_ITOA 0400 /* Not used/supported */
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/*
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* Types
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*/
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/* (re)gular expression (mat)ch result */
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typedef struct _re_mat {
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long rm_so;
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long rm_eo;
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} re_mat;
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/* (re)gular expression (cod)e */
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typedef struct _re_cod {
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unsigned char *cod;
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int re_nsub; /* Public member */
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const char *re_endp; /* Support for RE_PEND */
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} re_cod;
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/*
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* Prototypes
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*/
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/* compile the given pattern string
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* returns 0 on success, error code otherwise */
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int recomp(re_cod *preg, const char *pattern, int flags);
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/* execute the compiled pattern on the string.
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* returns 0 if matched, RE_NOMATCH if failed, error code otherwise */
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int reexec(const re_cod *preg, const char *string,
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int nmat, re_mat pmat[], int flags);
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/* formats an error message for the given code in ebuffer */
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int reerror(int ecode, const re_cod *preg, char *ebuffer, int ebuffer_size);
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/* frees the given parameter */
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void refree(re_cod *preg);
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#endif /* _re_h */
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