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/*
* $Id$
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of opensips, a free SIP server.
*
* opensips is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* opensips is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* History:
* --------
* 2003-08-04 created by andrei
* 2004-11-12 minor api extension, added *count (andrei)
*/
/*!
* \file
* \brief regexp and regexp substitutions implementations
*/
#ifndef _re_h
#define _re_h
#include "str.h"
#include "pvar.h"
#include "parser/msg_parser.h"
#include <sys/types.h> /* for regex */
#include <regex.h>
#define WITH_SEP 1
#define WITHOUT_SEP 0
enum replace_special { REPLACE_NMATCH, REPLACE_CHAR, REPLACE_URI,
REPLACE_SPEC };
struct replace_with{
int offset; /* offset in string */
int size; /* size of replace "anchor" in string */
enum replace_special type;
union{
int nmatch;
char c;
pv_spec_t spec;
}u;
};
struct subst_expr{
regex_t* re;
str replacement;
int replace_all;
int n_escapes; /* escapes number (replace[] size) */
int max_pmatch ; /* highest () referenced */
struct replace_with replace[1]; /* 0 does not work on all compilers */
};
struct replace_lst{
int offset;
int size; /* at offset, delete size bytes and replace them with rpl */
str rpl;
struct replace_lst *next;
};
void subst_expr_free(struct subst_expr* se);
void replace_lst_free(struct replace_lst* l);
int parse_repl(struct replace_with * rw, char ** begin,
char * end, int *max_token_nb, int flag);
struct subst_expr* subst_parser(str* subst);
struct replace_lst* subst_run( struct subst_expr* se, const char* input,
struct sip_msg* msg, int *count);
str* subst_str(const char* input, struct sip_msg* msg,
struct subst_expr* se, int* count);
#endif
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