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/* This file is part of Ping903
Copyright (C) 2020-2023 Sergey Poznyakoff
Ping903 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 3, or (at your option)
any later version.
Ping903 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 Ping903. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
enum json_value_type {
json_null,
json_bool,
json_number,
json_string,
json_array,
json_object
};
struct json_value;
struct json_array {
size_t oc;
struct json_value **ov;
size_t on;
};
struct json_object {
struct json_pair *head;
struct json_pair *tail;
size_t count;
};
struct json_value {
enum json_value_type type;
union {
int b; /* json_bool */
double n; /* json_number */
char *s; /* json_string */
struct json_array *a; /* json_array */
struct json_object *o; /* json_object */
} v;
};
struct json_pair {
struct json_pair *next;
char *k;
struct json_value *v;
};
struct json_format {
size_t indent;
int precision;
void (*write) (void *, char const *, size_t);
void *data;
};
int json_value_format(struct json_value *obj, struct json_format *fmt,
size_t level);
void json_value_free(struct json_value *);
int json_value_copy(struct json_value *val, struct json_value **new_val);
char const *json_strerror(int ec);
void *json_2nrealloc(void *p, size_t *pn, size_t s);
struct json_value *json_new_null(void);
struct json_value *json_new_bool(int b);
struct json_value *json_new_number(double n);
struct json_value *json_new_string(char const *str);
struct json_value *json_new_object(void);
int json_object_set(struct json_value *obj, char const *name,
struct json_value *val);
int json_object_get(struct json_value *obj, char const *name,
struct json_value **retval);
int json_object_filter(struct json_value *obj,
int (*pred)(char const *, struct json_value *, void *),
void *data);
struct json_value *json_new_array(void);
static inline size_t json_array_length(struct json_value *j) {
return j->v.a->oc;
}
int json_array_insert(struct json_value *j, size_t idx, struct json_value *v);
int json_array_append(struct json_value *j, struct json_value *v);
int json_array_set(struct json_value *j, size_t idx, struct json_value *v);
int json_array_get(struct json_value *j, size_t idx,
struct json_value **retval);
enum {
JSON_E_NOERR,
JSON_E_NOMEM,
JSON_E_BADTOK,
JSON_E_BADDELIM,
JSON_E_BADSTRING
};
int json_parse_string(char const *input, struct json_value **retval,
char **endp);
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