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