json lib
Dependents: grove_stream_jpa_sd2 grove_stream_jpa_sd2 grove_stream_jpa_sd2-2 grove_stream_jpa_sd2-3 ... more
jsmn.h
- Committer:
- 38domo
- Date:
- 2020-08-31
- Revision:
- 8:43e1e35bb7ec
- Parent:
- 5:dd98cf00ed9b
File content as of revision 8:43e1e35bb7ec:
/* Author: Faheem Inayat * Created by "Night Crue" Team @ TechShop San Jose, CA * * --- DISCLAIMER --- * This code is a modified version of original JSMN lirary, written by * *** Serge A. Zaitsev *** * and hosted at https://github.com/zserge/jsmn * Any modification to the original source is not guaranteed to be included * in this version. As of writing of this file, the original source is * licensed under MIT License * (http://www.opensource.org/licenses/mit-license.php). */ #ifndef __JSMN_H_ #define __JSMN_H_ #include <stddef.h> #ifdef __cplusplus extern "C" { #endif /* Modified version of original jsmn lib ... added a type "JSMN_KEY" and enabled parent-pointers and strict JSON check. */ /** * JSON type identifier. Basic types are: * o Object * o Array * o String * o Other primitive: number, boolean (true/false) or null */ typedef enum { JSMN_UNDEFINED = 0, JSMN_OBJECT = 1, JSMN_ARRAY = 2, JSMN_STRING = 3, JSMN_PRIMITIVE = 4, JSMN_KEY = 5 } jsmntype_t; enum jsmnerr { /* Not enough tokens were provided */ JSMN_ERROR_NOMEM = -1, /* Invalid character inside JSON string */ JSMN_ERROR_INVAL = -2, /* The string is not a full JSON packet, more bytes expected */ JSMN_ERROR_PART = -3 }; /** * JSON token description. * @param type type (object, array, string etc.) * @param start start position in JSON data string * @param end end position in JSON data string */ typedef struct { jsmntype_t type; int start; int end; int parent; int childCount; } jsmntok_t; /** * JSON parser. Contains an array of token blocks available. Also stores * the string being parsed now and current position in that string */ typedef struct { unsigned int pos; /* offset in the JSON string */ unsigned int toknext; /* next token to allocate */ int toksuper; /* superior token node, e.g parent object or array */ } jsmn_parser; /** * Create JSON parser over an array of tokens */ void jsmn_init ( jsmn_parser *parser ); /** * Run JSON parser. It parses a JSON data string into and array of tokens, each describing * a single JSON object. */ int jsmn_parse ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, unsigned int num_tokens ); #ifdef __cplusplus } #endif #endif /* __JSMN_H_ */