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91 lines
2.4 KiB
91 lines
2.4 KiB
/*
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* $Id$
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*
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* Copyright (C) 2009 iptelorg GmbH
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* /home/andrei/sr.git/switch.h
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*/
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/*
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* History:
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* --------
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* 2009-02-02 initial version (andrei)
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*/
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#ifndef __switch_h
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#define __switch_h
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#include <stddef.h>
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#include <regex.h>
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#include "route_struct.h"
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struct case_stms{
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struct rval_expr* ct_rve;
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struct action* actions;
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struct case_stms* next;
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struct case_stms** append;
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int type; /**< type: MATCH_UNKOWN, MATCH_INT, MATCH_STR, MATCH_RE */
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int re_flags; /**< used only for REs */
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int is_default;
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union {
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int match_int;
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str match_str;
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regex_t* match_re;
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} label; /**< fixed case argument */
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};
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struct switch_cond_table{
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int n; /**< size */
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int* cond; /**< int labels array */
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struct action** jump; /**< jump points array */
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struct action* def; /**< default jump */
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};
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struct switch_jmp_table{
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int first; /**< first int label in the jump table */
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int last; /**< last int label in the jump table */
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struct action** tbl; /**< jmp table [v-first] iff first<=v<=last */
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struct switch_cond_table rest; /**< normal cond. table for the rest */
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};
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enum match_str_type { MATCH_UNKNOWN, MATCH_INT, MATCH_STR, MATCH_RE };
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struct match_str{
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enum match_str_type type;/**< string or RE */
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int flags; /**< flags for re */
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union{
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str s; /* string */
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regex_t* regex; /**< compiled regex */
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}l;
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};
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struct match_cond_table{
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int n; /**< size */
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struct match_str* match; /**< match array */
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struct action** jump; /**< jump points array */
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struct action* def; /**< default jmp */
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};
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int fix_switch(struct action* t);
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#endif /*__switch_h*/
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/* vi: set ts=4 sw=4 tw=79:ai:cindent: */
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