json.h

#pragma once

#include "arch.h"
#include "str.h"

#ifndef MG_JSON_MAX_DEPTH
#define MG_JSON_MAX_DEPTH 30
#endif

// Error return values - negative. Successful returns are >= 0
enum { MG_JSON_TOO_DEEP = -1, MG_JSON_INVALID = -2, MG_JSON_NOT_FOUND = -3 };
int mg_json_get(struct mg_str json, const char *path, int *toklen);

struct mg_str mg_json_get_tok(struct mg_str json, const char *path);
bool mg_json_get_num(struct mg_str json, const char *path, double *v);
bool mg_json_get_bool(struct mg_str json, const char *path, bool *v);
long mg_json_get_long(struct mg_str json, const char *path, long dflt);
char *mg_json_get_str(struct mg_str json, const char *path);
char *mg_json_get_hex(struct mg_str json, const char *path, int *len);
char *mg_json_get_b64(struct mg_str json, const char *path, int *len);

bool mg_json_unescape(struct mg_str str, char *buf, size_t len);
size_t mg_json_next(struct mg_str obj, size_t ofs, struct mg_str *key,
                    struct mg_str *val);