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#ifndef JSONPULL_H
#define JSONPULL_H
#ifdef __cplusplus
extern "C" {
#endif
typedef enum json_type {
// These types can be returned by json_read()
JSON_HASH,
JSON_ARRAY,
JSON_NUMBER,
JSON_STRING,
JSON_TRUE,
JSON_FALSE,
JSON_NULL,
// These and JSON_HASH and JSON_ARRAY can be called back by json_read_with_separators()
JSON_COMMA,
JSON_COLON,
// These are only used internally as expectations of what comes next
JSON_ITEM,
JSON_KEY,
JSON_VALUE,
} json_type;
typedef struct json_object {
struct json_object *parent;
struct json_pull *parser;
union {
struct {
double number;
unsigned long long large_unsigned;
long long large_signed;
} number;
struct {
char *string;
void *refcon; // reference constant for caller's use
} string;
struct {
struct json_object **array;
size_t length;
} array;
struct {
struct json_object **keys;
struct json_object **values;
size_t length;
} object;
} value;
json_type type;
int expect;
} json_object;
typedef struct json_pull {
char *error;
int line;
ssize_t (*read)(struct json_pull *, char *buf, size_t n);
void *source;
char *buffer;
ssize_t buffer_tail;
ssize_t buffer_head;
json_object *container;
json_object *root;
struct string *number_buffer;
} json_pull;
json_pull *json_begin_file(FILE *f);
json_pull *json_begin_string(const char *s);
json_pull *json_begin(ssize_t (*read)(struct json_pull *, char *buffer, size_t n), void *source);
void json_end(json_pull *p);
typedef void (*json_separator_callback)(json_type type, json_pull *j, void *state);
json_object *json_read_tree(json_pull *j);
json_object *json_read(json_pull *j);
json_object *json_read_separators(json_pull *j, json_separator_callback cb, void *state);
void json_free(json_object *j);
void json_disconnect(json_object *j);
json_object *json_hash_get(json_object *o, const char *s);
char *json_stringify(json_object *o);
#ifdef __cplusplus
}
#endif
#endif
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