/*
 * $Id$
 *
 * Kazoo module interface
 *
 * Copyright (C) 2010-2014 2600Hz
 *
 * 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
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * History:
 * --------
 * 2014-08  first version (2600hz)
 */

#ifndef KZ_JSON_H_
#define KZ_JSON_H_

#include "../../core/parser/msg_parser.h"
#include <json.h>


int kz_json_get_count(str *json, str *field, pv_value_p dst_val);
int kz_json_get_field(struct sip_msg *msg, char *json, char *field, char *dst);
int kz_json_get_field_ex(str *json, str *field, pv_value_p dst_val);
int kz_json_get_keys(struct sip_msg *msg, char *json, char *field, char *dst);
enum json_type kz_json_get_type(struct json_object *jso);

struct json_object *kz_json_parse(const char *str);
struct json_object *kz_json_get_object(
		struct json_object *jso, const char *key);

#if defined(__GNUC__) && !defined(__STRICT_ANSI__) \
		&& __STDC_VERSION__ >= 199901L

#define json_foreach(obj, key, val)                                      \
	char *key;                                                           \
	struct json_object *val __attribute__((__unused__));                 \
	for(struct lh_entry *entry##key = json_object_get_object(obj)->head, \
						*entry_next##key = NULL;                         \
			({                                                           \
				if(entry##key) {                                         \
					key = (char *)entry##key->k;                         \
					val = (struct json_object *)entry##key->v;           \
					entry_next##key = entry##key->next;                  \
				};                                                       \
				entry##key;                                              \
			});                                                          \
			entry##key = entry_next##key)

#define json_foreach_key(obj, key)                                       \
	char *key;                                                           \
	for(struct lh_entry *entry##key = json_object_get_object(obj)->head, \
						*entry_next##key = NULL;                         \
			({                                                           \
				if(entry##key) {                                         \
					key = (char *)entry##key->k;                         \
					entry_next##key = entry##key->next;                  \
				};                                                       \
				entry##key;                                              \
			});                                                          \
			entry##key = entry_next##key)

#else /* ANSI C or MSC */

#define json_foreach(obj, key, val)                                       \
	char *key;                                                            \
	struct json_object *val;                                              \
	struct lh_entry *entry##key;                                          \
	struct lh_entry *entry_next##key = NULL;                              \
	for(entry##key = json_object_get_object(obj)->head;                   \
			(entry##key ? (key = (char *)entry##key->k,                   \
						  val = (struct json_object *)entry##key->v,      \
						  entry_next##key = entry##key->next, entry##key) \
						: 0);                                             \
			entry##key = entry_next##key)

#define json_foreach_key(obj, key)                                        \
	char *key;                                                            \
	struct lh_entry *entry##key;                                          \
	struct lh_entry *entry_next##key = NULL;                              \
	for(entry##key = json_object_get_object(obj)->head;                   \
			(entry##key ? (key = (char *)entry##key->k,                   \
						  entry_next##key = entry##key->next, entry##key) \
						: 0);                                             \
			entry##key = entry_next##key)

#endif /* defined(__GNUC__) && !defined(__STRICT_ANSI__) && __STDC_VERSION__ >= 199901L */


#endif /* KZ_JSON_H_ */
