Ribera-Iot / Json

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jsmn.h@0:c1cd8e6ecdc9, 2017-05-25 (annotated)

Committer:
Amod Amatya amodamatya@gmail.com
Date:
Thu May 25 15:14:50 2017 +0545
Revision:
0:c1cd8e6ecdc9
ini

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 1 /* Author: Faheem Inayat
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 2 * Created by "Night Crue" Team @ TechShop San Jose, CA
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 3 *
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 4 * --- DISCLAIMER ---
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 5 * This code is a modified version of original JSMN lirary, written by
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 6 * *** Serge A. Zaitsev ***
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 7 * and hosted at https://github.com/zserge/jsmn
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 8 * Any modification to the original source is not guaranteed to be included
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 9 * in this version. As of writing of this file, the original source is
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 10 * licensed under MIT License
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 11 * (http://www.opensource.org/licenses/mit-license.php).
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 12 */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 13
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 14 #ifndef __JSMN_H_
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 15 #define __JSMN_H_
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 16
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 17 #include <stddef.h>
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 18
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 19 #ifdef __cplusplus
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 20 extern "C"
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 21 {
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 22 #endif
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 23 /*
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 24 Modified version of original jsmn lib ... added a type "JSMN_KEY" and enabled
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 25 parent-pointers and strict JSON check.
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 26 */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 27 /**
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 28 * JSON type identifier. Basic types are:
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 29 * o Object
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 30 * o Array
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 31 * o String
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 32 * o Other primitive: number, boolean (true/false) or null
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 33 */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 34 typedef enum
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 35 {
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 36 JSMN_UNDEFINED = 0,
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 37 JSMN_OBJECT = 1,
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 38 JSMN_ARRAY = 2,
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 39 JSMN_STRING = 3,
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 40 JSMN_PRIMITIVE = 4,
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 41 JSMN_KEY = 5
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 42 } jsmntype_t;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 43
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 44 enum jsmnerr
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 45 {
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 46 /* Not enough tokens were provided */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 47 JSMN_ERROR_NOMEM = -1,
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 48 /* Invalid character inside JSON string */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 49 JSMN_ERROR_INVAL = -2,
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 50 /* The string is not a full JSON packet, more bytes expected */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 51 JSMN_ERROR_PART = -3
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 52 };
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 53
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 54 /**
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 55 * JSON token description.
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 56 * @param type type (object, array, string etc.)
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 57 * @param start start position in JSON data string
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 58 * @param end end position in JSON data string
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 59 */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 60 typedef struct
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 61 {
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 62 jsmntype_t type;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 63 int start;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 64 int end;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 65 int parent;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 66 int childCount;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 67 } jsmntok_t;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 68
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 69 /**
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 70 * JSON parser. Contains an array of token blocks available. Also stores
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 71 * the string being parsed now and current position in that string
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 72 */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 73 typedef struct
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 74 {
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 75 unsigned int pos; /* offset in the JSON string */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 76 unsigned int toknext; /* next token to allocate */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 77 int toksuper; /* superior token node, e.g parent object or array */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 78 } jsmn_parser;
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 79
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 80 /**
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 81 * Create JSON parser over an array of tokens
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 82 */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 83 void jsmn_init ( jsmn_parser *parser );
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 84
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 85 /**
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 86 * Run JSON parser. It parses a JSON data string into and array of tokens, each describing
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 87 * a single JSON object.
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 88 */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 89 int jsmn_parse ( jsmn_parser *parser, const char *js, size_t len, jsmntok_t *tokens, unsigned int num_tokens );
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 90
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 91 #ifdef __cplusplus
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 92 }
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 93 #endif
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 94
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 95 #endif /* __JSMN_H_ */
Amod Amatya amodamatya@gmail.com 0:c1cd8e6ecdc9 96