json-helpers.h

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#ifndef JSON_HELPERS
#define JSON_HELPERS
 
#include "slice.h"
#include <json-c.h>
#include <stdbool.h>
#include <stdint.h>
 
#define min_json(obj) json_object_to_json_string_ext(obj, JSON_C_TO_STRING_PLAIN)
 
#define json_object_dbg_print(obj) fprintf(stderr, "json_object_dbg_print: %s\n", json_object_to_json_string_ext(obj, JSON_C_TO_STRING_PRETTY))
 
// json_util_get_last_err includes a \n
#define LOG_FMT_JSON_C(fmt, ...) "json-c: " fmt ": %s" __VA_OPT__(, ) __VA_ARGS__, json_util_get_last_err()
 
#define LOG_FMT_JSON_TYPE(type, actual, fmt, ...) "json: " fmt ": type: expected %s, got %s\n" __VA_OPT__(, ) __VA_ARGS__, json_type_to_name(type), json_type_to_name(actual)
 
// JSON-C performs type coercion when getting values of the wrong type. That's confusing. We don't want that.
// Creating explicit "strict" variants of each necessary getter function.
 
bool json_object_get_uint16_strict(json_object const *obj, uint16_t *out);
 
bool json_object_get_int_strict(json_object const *obj, int32_t *out);
 
bool json_object_get_int64_strict(json_object const *obj, int64_t *out);
 
bool json_object_get_string_strict(json_object *obj, slice_t *out);
 
#endif // JSON_HELPERS