gecko-dev/include/xp_reg.h

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C
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/*
* shexp.h: Defines and prototypes for shell exp. match routines
*
*
* This routine will match a string with a shell expression. The expressions
* accepted are based loosely on the expressions accepted by zsh.
*
* o * matches anything
* o ? matches one character
* o \ will escape a special character
* o $ matches the end of the string
* o [abc] matches one occurence of a, b, or c. The only character that needs
* to be escaped in this is ], all others are not special.
* o [a-z] matches any character between a and z
* o [^az] matches any character except a or z
* o ~ followed by another shell expression will remove any pattern
* matching the shell expression from the match list
* o (foo|bar) will match either the substring foo, or the substring bar.
* These can be shell expressions as well.
*
* The public interface to these routines is documented below.
*
* Rob McCool
*
*/
#ifndef SHEXP_H
#define SHEXP_H
#include "xp_core.h"
/*
* Requires that the macro MALLOC be set to a "safe" malloc that will
* exit if no memory is available. If not under MCC httpd, define MALLOC
* to be the real malloc and play with fire, or make your own function.
*/
#if 0
#ifdef MCC_HTTPD
#include "../mc-httpd.h"
#endif
#endif
#include <ctype.h> /* isalnum */
#include <string.h> /* strlen */
/* --------------------------- Public routines ---------------------------- */
/*
* shexp_valid takes a shell expression exp as input. It returns:
*
* NON_SXP if exp is a standard string
* INVALID_SXP if exp is a shell expression, but invalid
* VALID_SXP if exp is a valid shell expression
*/
#define NON_SXP -1
#define INVALID_SXP -2
#define VALID_SXP 1
extern int XP_RegExpValid(char *exp);
/*
* shexp_match
*
* Takes a prevalidated shell expression exp, and a string str.
*
* Returns 0 on match and 1 on non-match.
*/
extern int XP_RegExpMatch(char *str, char *exp, Bool case_insensitive);
/*
*
* Same as above, but validates the exp first. 0 on match, 1 on non-match,
* -1 on invalid exp.
*/
extern int XP_RegExpSearch(char *str, char *exp);
/* same as above but uses case insensitive search
*/
extern int XP_RegExpCaseSearch(char *str, char *exp);
#endif