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#ifndef __JSON__H
#define __JSON__H
#include "lib/output_buffer.h"
#define JSON_TYPE_STRING 0
#define JSON_TYPE_INTEGER 1
#define JSON_TYPE_FLOAT 2
#define JSON_TYPE_OBJECT 3
#define JSON_TYPE_ARRAY 4
#define JSON_PARENT_TYPE_PAIR 0
#define JSON_PARENT_TYPE_ARRAY 1
struct json_value {
int type;
union {
long long integer_number;
double float_number;
char *string;
struct json_object *object;
struct json_array *array;
};
int parent_type;
union {
struct json_pair *parent_pair;
struct json_array *parent_array;
};
};
struct json_array {
struct json_value **values;
int value_cnt;
struct json_value *parent;
};
struct json_object {
struct json_pair **pairs;
int pair_cnt;
struct json_value *parent;
};
struct json_pair {
char *name;
struct json_value *value;
struct json_object *parent;
};
struct json_object *json_create_object(void);
struct json_array *json_create_array(void);
void json_free_object(struct json_object *obj);
int json_object_add_value_type(struct json_object *obj, const char *name,
const struct json_value *val);
static inline int json_object_add_value_int(struct json_object *obj,
const char *name, long long val)
{
struct json_value arg = {
.type = JSON_TYPE_INTEGER,
};
arg.integer_number = val;
return json_object_add_value_type(obj, name, &arg);
}
static inline int json_object_add_value_float(struct json_object *obj,
const char *name, double val)
{
struct json_value arg = {
.type = JSON_TYPE_FLOAT,
};
arg.float_number = val;
return json_object_add_value_type(obj, name, &arg);
}
static inline int json_object_add_value_string(struct json_object *obj,
const char *name,
const char *val)
{
struct json_value arg = {
.type = JSON_TYPE_STRING,
};
union {
const char *a;
char *b;
} string;
string.a = val ? val : "";
arg.string = string.b;
return json_object_add_value_type(obj, name, &arg);
}
static inline int json_object_add_value_object(struct json_object *obj,
const char *name,
struct json_object *val)
{
struct json_value arg = {
.type = JSON_TYPE_OBJECT,
};
arg.object = val;
return json_object_add_value_type(obj, name, &arg);
}
static inline int json_object_add_value_array(struct json_object *obj,
const char *name,
struct json_array *val)
{
struct json_value arg = {
.type = JSON_TYPE_ARRAY,
};
arg.array = val;
return json_object_add_value_type(obj, name, &arg);
}
int json_array_add_value_type(struct json_array *array,
const struct json_value *val);
static inline int json_array_add_value_int(struct json_array *obj,
long long val)
{
struct json_value arg = {
.type = JSON_TYPE_INTEGER,
};
arg.integer_number = val;
return json_array_add_value_type(obj, &arg);
}
static inline int json_array_add_value_float(struct json_array *obj,
double val)
{
struct json_value arg = {
.type = JSON_TYPE_FLOAT,
};
arg.float_number = val;
return json_array_add_value_type(obj, &arg);
}
static inline int json_array_add_value_string(struct json_array *obj,
const char *val)
{
struct json_value arg = {
.type = JSON_TYPE_STRING,
};
arg.string = (char *)val;
return json_array_add_value_type(obj, &arg);
}
static inline int json_array_add_value_object(struct json_array *obj,
struct json_object *val)
{
struct json_value arg = {
.type = JSON_TYPE_OBJECT,
};
arg.object = val;
return json_array_add_value_type(obj, &arg);
}
static inline int json_array_add_value_array(struct json_array *obj,
struct json_array *val)
{
struct json_value arg = {
.type = JSON_TYPE_ARRAY,
};
arg.array = val;
return json_array_add_value_type(obj, &arg);
}
#define json_array_last_value_object(obj) \
(obj->values[obj->value_cnt - 1]->object)
void json_print_object(struct json_object *obj, struct buf_output *out);
#endif
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