--- libelwix/inc/elwix/ajson.h 2017/11/24 09:54:01 1.1.2.1 +++ libelwix/inc/elwix/ajson.h 2017/11/27 19:37:31 1.1.2.4 @@ -3,7 +3,7 @@ * by Michael Pounov * * $Author: misho $ -* $Id: ajson.h,v 1.1.2.1 2017/11/24 09:54:01 misho Exp $ +* $Id: ajson.h,v 1.1.2.4 2017/11/27 19:37:31 misho Exp $ * ************************************************************************** The ELWIX and AITNET software is distributed under the following @@ -46,6 +46,71 @@ SUCH DAMAGE. #ifndef __AJSON_H #define __AJSON_H + +/* JSON type identifiers */ +typedef enum { + J_UNDEF = 0, + J_OBJECT = 1, + J_ARRAY = 2, + J_STRING = 3, + J_VALUE = 4 +} jtype_t; + +/* JSON error numbers */ +typedef enum { + J_ERR_OK = 0, + J_ERR_NOMEM = 1, + J_ERR_INVAL = 2, + J_ERR_PART = 3, + J_ERR_PARAM = 4 +} jerr_t; + +typedef struct _tagHandler { + unsigned long h_pos; + unsigned long h_next; + long h_parent; + void *h_alloc; + int h_strict; +} json_t; + +typedef struct _tagToken { + jtype_t tok_type; + long tok_start; + long tok_end; + long tok_size; + long tok_parent; +} jtok_t; + + +/* + * json_init() - Initialize JSON handler + * + * @json = JSON handler, if there is NULL then dynamically will be allocated + * @jstrict = JSON strict mode, when we select strict mode every unquoted value is error + * return: =NULL error or !=NULL ready for use JSON handler and should be free with json_free() + */ +json_t *json_init(json_t * __restrict json, int jstrict); + +/* + * json_free() - Free JSON handler + * + * @json = JSON handler + * return: none + */ +void json_free(json_t * __restrict json); + +/* + * json_parse() - Parse JSON string + * + * @json = JSON handler + * @jstr = JSON string + * @jlen = JSON string length + * @jtoks = Token array + * @toksnum = Token array size, return number of allocated tokens in array + * return: -1 error or number of found tokens + */ +unsigned int json_parse(json_t * __restrict json, const char *jstr, size_t jlen, + jtok_t * __restrict jtoks, unsigned int toksnum); #endif