* Copyright (C) 2006 voice-system.ro
 * This file is part of Kamailio, a free SIP server.
 * Kamailio 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
 * Kamailio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 * \file
 * \brief Script variables

#ifndef _PV_SVAR_H_
#define _PV_SVAR_H_

#include "../../core/kemi.h"
#include "../../core/usr_avp.h"

#define VAR_VAL_INT		(0)		/* value is INT (other flags not set) */
#define VAR_VAL_STR		(1<<0)  /* value is STR */
#define VAR_VAL_NULL	(1<<1)	/* value is NULL */

#define VAR_TYPE_ZERO	(0)		/* default value is 0 (type NULL not set) */
#define VAR_TYPE_NULL	(1<<15) /* default value is NULL */

typedef struct script_val {
	int flags;
	int_str value;
} script_val_t, *script_val_p;

typedef struct script_var {
	str name;
	script_val_t v;
	struct script_var *next;
} script_var_t, *script_var_p;

script_var_t* add_var(str *name, int vtype);
script_var_t* set_var_value(script_var_t *var, int_str *value, int flags);
script_var_t* get_var_by_name(str *name);
script_var_t* get_varnull_by_name(str *name);
script_var_t* get_var_all(void);

void reset_vars(void);
void destroy_vars(void);
void destroy_vars_list(script_var_t *svl);

int ki_var_seti(sip_msg_t *msg, str *vname, int ival);
int ki_var_sets(sip_msg_t *msg, str *vname, str *sval);
sr_kemi_xval_t* ki_var_get(sip_msg_t *msg, str *vname);