json_more_utils.h

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#ifndef H_JSON_MORE_UTILS
#define H_JSON_MORE_UTILS

#include <stdio.h>
#include "json_object.h"

typedef struct json_object* JO;

#define jo_new_double json_object_new_double 
#define jo_new_int    json_object_new_int
#define jo_new_array  json_object_new_array
#define jo_new_string json_object_new_string
#define jo_new_null()   0
#define jo_add        json_object_object_add
#define jo_del        json_object_object_del
#define jo_free       json_object_put
#define jo_get        json_object_object_get
#define jo_new        json_object_new_object
#define jo_array_add  json_object_array_add
#define jo_array_get  json_object_array_get_idx
#define jo_array_length json_object_array_length
#define jo_get_string json_object_get_string 

JO json_read_stream(FILE*);

int json_stream_skip(FILE*);

int jo_has_field(JO s, const char*name);

JO jo_new_double_array(const double *v, int n);
JO jo_new_int_array   (const int    *v, int n);

void jo_add_double       (JO parent, const char*name, double v);
void jo_add_int          (JO parent, const char*name, int    v);
void jo_add_double_array (JO parent, const char*name, const double *v, int n);
void jo_add_int_array    (JO parent, const char*name, const int    *v, int n);

void jo_add_string       (JO parent, const char*name, const char*v);

int jo_read_int          (JO parent, const char*name, int*p) ;
int jo_read_double       (JO parent, const char*name, double*p);

/* Returns 0 if there isn't a field called "name", or it's not an array, or 
its length is not at least "n". Else, it returns 1. */
int jo_read_double_array (JO parent, const char*name, double *p, int n, double when_null);
int jo_read_int_array    (JO parent, const char*name, int    *p, int n, int    when_null);
int jo_read_string       (JO parent, const char*name, char*v, size_t max_len);


/* Returns 0 if jo is not a double array, or its length is not n */
int jo_read_from_double_array (JO array, double *p, int n, double when_null);


int json_to_int(JO jo, int*ptr);

int json_to_double(JO jo, double*ptr);

        
/* returns 0 if NAN */
JO jo_double_or_null(double d);

/*JO find_object_with_name(JO root, const char*name);*/
JO json_tokener_parse_len(const char *str, int len);
JO json_parse(const char*str);
const char* json_write(JO jo);
#define jo_to_string json_write

#endif