Vergil Cola / Mbed OS MQTTGateway2

Fork of my original MQTTGateway

Dependencies:   mbed-http

jsmn/jsmn.h@0:a1734fe1ec4b, 2017-04-08 (annotated)

Committer:
vpcola
Date:
Sat Apr 08 14:43:14 2017 +0000
Revision:
0:a1734fe1ec4b
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vpcola 0:a1734fe1ec4b 1 #ifndef __JSMN_H_
vpcola 0:a1734fe1ec4b 2 #define __JSMN_H_
vpcola 0:a1734fe1ec4b 3
vpcola 0:a1734fe1ec4b 4 #include <stddef.h>
vpcola 0:a1734fe1ec4b 5
vpcola 0:a1734fe1ec4b 6 #ifdef __cplusplus
vpcola 0:a1734fe1ec4b 7 extern "C" {
vpcola 0:a1734fe1ec4b 8 #endif
vpcola 0:a1734fe1ec4b 9
vpcola 0:a1734fe1ec4b 10 /**
vpcola 0:a1734fe1ec4b 11 * JSON type identifier. Basic types are:
vpcola 0:a1734fe1ec4b 12 * o Object
vpcola 0:a1734fe1ec4b 13 * o Array
vpcola 0:a1734fe1ec4b 14 * o String
vpcola 0:a1734fe1ec4b 15 * o Other primitive: number, boolean (true/false) or null
vpcola 0:a1734fe1ec4b 16 */
vpcola 0:a1734fe1ec4b 17 typedef enum {
vpcola 0:a1734fe1ec4b 18 JSMN_UNDEFINED = 0,
vpcola 0:a1734fe1ec4b 19 JSMN_OBJECT = 1,
vpcola 0:a1734fe1ec4b 20 JSMN_ARRAY = 2,
vpcola 0:a1734fe1ec4b 21 JSMN_STRING = 3,
vpcola 0:a1734fe1ec4b 22 JSMN_PRIMITIVE = 4
vpcola 0:a1734fe1ec4b 23 } jsmntype_t;
vpcola 0:a1734fe1ec4b 24
vpcola 0:a1734fe1ec4b 25 enum jsmnerr {
vpcola 0:a1734fe1ec4b 26 /* Not enough tokens were provided */
vpcola 0:a1734fe1ec4b 27 JSMN_ERROR_NOMEM = -1,
vpcola 0:a1734fe1ec4b 28 /* Invalid character inside JSON string */
vpcola 0:a1734fe1ec4b 29 JSMN_ERROR_INVAL = -2,
vpcola 0:a1734fe1ec4b 30 /* The string is not a full JSON packet, more bytes expected */
vpcola 0:a1734fe1ec4b 31 JSMN_ERROR_PART = -3
vpcola 0:a1734fe1ec4b 32 };
vpcola 0:a1734fe1ec4b 33
vpcola 0:a1734fe1ec4b 34 /**
vpcola 0:a1734fe1ec4b 35 * JSON token description.
vpcola 0:a1734fe1ec4b 36 * type type (object, array, string etc.)
vpcola 0:a1734fe1ec4b 37 * start start position in JSON data string
vpcola 0:a1734fe1ec4b 38 * end end position in JSON data string
vpcola 0:a1734fe1ec4b 39 */
vpcola 0:a1734fe1ec4b 40 typedef struct {
vpcola 0:a1734fe1ec4b 41 jsmntype_t type;
vpcola 0:a1734fe1ec4b 42 int start;
vpcola 0:a1734fe1ec4b 43 int end;
vpcola 0:a1734fe1ec4b 44 int size;
vpcola 0:a1734fe1ec4b 45 #ifdef JSMN_PARENT_LINKS
vpcola 0:a1734fe1ec4b 46 int parent;
vpcola 0:a1734fe1ec4b 47 #endif
vpcola 0:a1734fe1ec4b 48 } jsmntok_t;
vpcola 0:a1734fe1ec4b 49
vpcola 0:a1734fe1ec4b 50 /**
vpcola 0:a1734fe1ec4b 51 * JSON parser. Contains an array of token blocks available. Also stores
vpcola 0:a1734fe1ec4b 52 * the string being parsed now and current position in that string
vpcola 0:a1734fe1ec4b 53 */
vpcola 0:a1734fe1ec4b 54 typedef struct {
vpcola 0:a1734fe1ec4b 55 unsigned int pos; /* offset in the JSON string */
vpcola 0:a1734fe1ec4b 56 unsigned int toknext; /* next token to allocate */
vpcola 0:a1734fe1ec4b 57 int toksuper; /* superior token node, e.g parent object or array */
vpcola 0:a1734fe1ec4b 58 } jsmn_parser;
vpcola 0:a1734fe1ec4b 59
vpcola 0:a1734fe1ec4b 60 /**
vpcola 0:a1734fe1ec4b 61 * Create JSON parser over an array of tokens
vpcola 0:a1734fe1ec4b 62 */
vpcola 0:a1734fe1ec4b 63 void jsmn_init(jsmn_parser *parser);
vpcola 0:a1734fe1ec4b 64
vpcola 0:a1734fe1ec4b 65 /**
vpcola 0:a1734fe1ec4b 66 * Run JSON parser. It parses a JSON data string into and array of tokens, each describing
vpcola 0:a1734fe1ec4b 67 * a single JSON object.
vpcola 0:a1734fe1ec4b 68 */
vpcola 0:a1734fe1ec4b 69 int jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
vpcola 0:a1734fe1ec4b 70 jsmntok_t *tokens, unsigned int num_tokens);
vpcola 0:a1734fe1ec4b 71
vpcola 0:a1734fe1ec4b 72 #ifdef __cplusplus
vpcola 0:a1734fe1ec4b 73 }
vpcola 0:a1734fe1ec4b 74 #endif
vpcola 0:a1734fe1ec4b 75
vpcola 0:a1734fe1ec4b 76 #endif /* __JSMN_H_ */