/*
 Parson ( http://kgabis.github.com/parson/ )
 Copyright (c) 2012 - 2015 Krzysztof Gabis

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
*/

#ifndef parson_parson_h
#define parson_parson_h

#ifdef __cplusplus
extern "C"
{
#endif

#include <stddef.h>   /* size_t */

/* Types and enums */
typedef struct json_object_t JSON_Object;
typedef struct json_array_t  JSON_Array;
typedef struct json_value_t  JSON_Value;

enum json_value_type {
    JSONError   = -1,
    JSONNull    = 1,
    JSONString  = 2,
    JSONNumber  = 3,
    JSONObject  = 4,
    JSONArray   = 5,
    JSONBoolean = 6
};
typedef int JSON_Value_Type;

enum json_result_t {
    JSONSuccess = 0,
    JSONFailure = -1
};
typedef int JSON_Status;

typedef void * (*JSON_Malloc_Function)(size_t);
typedef void   (*JSON_Free_Function)(void *);

/*  Parses first JSON value in a string, returns NULL in case of error */
JSON_Value * json_parse_string(const char *string);

char *      json_serialize_to_string_pretty(const JSON_Value *value);

char * json_serialize_to_string(const JSON_Value *value);

void        json_free_serialized_string(char *string); /* frees string from json_serialize_to_string and json_serialize_to_string_pretty */

/*
 * JSON Object
 */
JSON_Value  * json_object_get_value  (const JSON_Object *object, const char *name);
const char  * json_object_get_string (const JSON_Object *object, const char *name);

/* dotget functions enable addressing values with dot notation in nested objects,
 just like in structs or c++/java/c# objects (e.g. objectA.objectB.value).
 Because valid names in JSON can contain dots, some values may be inaccessible
 this way. */
JSON_Value  * json_object_dotget_value  (const JSON_Object *object, const char *name);
const char  * json_object_dotget_string (const JSON_Object *object, const char *name);
JSON_Object * json_object_dotget_object (const JSON_Object *object, const char *name);
JSON_Array  * json_object_dotget_array  (const JSON_Object *object, const char *name);
double        json_object_dotget_number (const JSON_Object *object, const char *name); /* returns 0 on fail */

/* Functions to get available names */
size_t        json_object_get_count(const JSON_Object *object);
const char  * json_object_get_name (const JSON_Object *object, size_t index);
JSON_Array * json_object_get_array(const JSON_Object *object, const char *name);

JSON_Status json_object_dotset_string(JSON_Object *object, const char *name, const char *string);
JSON_Status json_object_dotset_value(JSON_Object *object, const char *name, JSON_Value *value);
JSON_Status json_array_append_value(JSON_Array *array, JSON_Value *value);

JSON_Status json_object_set_string(JSON_Object *object, const char *name, const char *string) ;

/* Works like dotget function, but removes name-value pair only on exact match. */
JSON_Status json_object_dotremove(JSON_Object *object, const char *key);

/*
 *JSON Array
 */
JSON_Value  * json_array_get_value  (const JSON_Array *array, size_t index);
JSON_Object * json_array_get_object (const JSON_Array *array, size_t index);
size_t        json_array_get_count  (const JSON_Array *array);

/*
 *JSON Value
 */
JSON_Value * json_value_init_object (void);
JSON_Value * json_value_init_array  (void);
JSON_Value * json_value_init_number (double number);
JSON_Value * json_value_init_boolean(int boolean);
JSON_Value * json_value_init_null   (void);

void         json_value_free        (JSON_Value *value);

JSON_Value_Type json_value_get_type   (const JSON_Value *value);
JSON_Object *   json_value_get_object (const JSON_Value *value);
JSON_Array  *   json_value_get_array  (const JSON_Value *value);
const char  *   json_value_get_string (const JSON_Value *value);
double          json_value_get_number (const JSON_Value *value);
int             json_value_get_boolean(const JSON_Value *value);

void json_parser_init  (void);
void json_parser_reset (void);

#ifdef __cplusplus
}
#endif

#endif