switch.h

/* 
 * $Id$
 * 
 * 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

#include <stddef.h>
#include <regex.h>

#include "route_struct.h"


struct case_stms{
        struct rval_expr* ct_rve;
        struct action* actions;
        struct case_stms* next;
        struct case_stms** append;
        int type;     
        int re_flags; 
        int is_default;
        union {
                int match_int;
                str match_str;
                regex_t* match_re;
        } label;  
};


struct switch_cond_table{
        int n;                  
        int* cond;              
        struct action** jump;   
        struct action* def;     
};


struct switch_jmp_table{
        int first;              
        int last;               
        struct action** tbl;    
        struct switch_cond_table rest; 
};


enum match_str_type { MATCH_UNKNOWN, MATCH_INT, MATCH_STR, MATCH_RE };

struct match_str{
        enum match_str_type type;
        int flags;               
        union{
                str s;              /* string */
                regex_t* regex;     
        }l;
};

struct match_cond_table{
        int n;                   
        struct match_str* match; 
        struct action** jump;    
        struct action* def;      
};

int fix_switch(struct action* t);

#endif /*__switch_h*/

/* vi: set ts=4 sw=4 tw=79:ai:cindent: */