switch.h
a29a8b6d
 /* 
  * $Id$
  * 
  * Copyright (C) 2009 iptelorg GmbH
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 /*
  * /home/andrei/sr.git/switch.h
  */
 /*
  * History:
  * --------
  *  2009-02-02  initial version (andrei)
 */
 
 #ifndef __switch_h
 #define __switch_h
 
1d00cabe
 #include <stddef.h>
cfeefb4a
 #include <regex.h>
 
a29a8b6d
 #include "route_struct.h"
 
cfeefb4a
 
a29a8b6d
 struct case_stms{
 	struct rval_expr* ct_rve;
 	struct action* actions;
 	struct case_stms* next;
 	struct case_stms** append;
cfeefb4a
 	int type;     /**< type: MATCH_UNKOWN, MATCH_INT, MATCH_STR, MATCH_RE */
 	int re_flags; /**< used only for REs */
a29a8b6d
 	int is_default;
cfeefb4a
 	union {
 		int match_int;
 		str match_str;
 		regex_t* match_re;
 	} label;  /**< fixed case argument */
a29a8b6d
 };
 
 
 struct switch_cond_table{
 	int n;                  /**< size */
 	int* cond;              /**< int labels array */
 	struct action** jump;   /**< jump points array */
cfeefb4a
 	struct action* def;     /**< default jump  */
a29a8b6d
 };
 
 
 struct switch_jmp_table{
 	int first;              /**< first int label in the jump table */
 	int last;               /**< last int label in the jump table */
 	struct action** tbl;    /**< jmp table [v-first] iff first<=v<=last */
 	struct switch_cond_table rest; /**< normal cond. table for the rest */
 };
 
cfeefb4a
 
 enum match_str_type { MATCH_UNKNOWN, MATCH_INT, MATCH_STR, MATCH_RE };
 
 struct match_str{
 	enum match_str_type type;/**< string or RE */
 	int flags;               /**< flags for re */
 	union{
 		str s;              /* string */
 		regex_t* regex;     /**< compiled regex */
 	}l;
 };
 
 struct match_cond_table{
 	int n;                   /**< size */
 	struct match_str* match; /**< match array */
 	struct action** jump;    /**< jump points array */
 	struct action* def;      /**< default jmp */
 };
 
955535a4
 int fix_switch(struct action* t);
a29a8b6d
 
 #endif /*__switch_h*/
 
 /* vi: set ts=4 sw=4 tw=79:ai:cindent: */