Jim Flynn / Mbed OS aws-iot-device-sdk-mbed-c

Changes to enabled on-line compiler

external_libs/jsmn.h@0:082731ede69f, 2018-05-30 (annotated)

Committer:
JMF
Date:
Wed May 30 20:59:51 2018 +0000
Revision:
0:082731ede69f
Initial commit

Who changed what in which revision?

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JMF 0:082731ede69f 1 /*
JMF 0:082731ede69f 2 * Copyright (c) 2010 Serge A. Zaitsev
JMF 0:082731ede69f 3 *
JMF 0:082731ede69f 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
JMF 0:082731ede69f 5 * of this software and associated documentation files (the "Software"), to deal
JMF 0:082731ede69f 6 * in the Software without restriction, including without limitation the rights
JMF 0:082731ede69f 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
JMF 0:082731ede69f 8 * copies of the Software, and to permit persons to whom the Software is
JMF 0:082731ede69f 9 * furnished to do so, subject to the following conditions:
JMF 0:082731ede69f 10 *
JMF 0:082731ede69f 11 * The above copyright notice and this permission notice shall be included in
JMF 0:082731ede69f 12 * all copies or substantial portions of the Software.
JMF 0:082731ede69f 13 *
JMF 0:082731ede69f 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
JMF 0:082731ede69f 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
JMF 0:082731ede69f 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
JMF 0:082731ede69f 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
JMF 0:082731ede69f 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
JMF 0:082731ede69f 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
JMF 0:082731ede69f 20 * THE SOFTWARE.
JMF 0:082731ede69f 21 */
JMF 0:082731ede69f 22
JMF 0:082731ede69f 23 /**
JMF 0:082731ede69f 24 * @file jsmn.h
JMF 0:082731ede69f 25 * @brief Definition of the JSMN (Jasmine) JSON parser.
JMF 0:082731ede69f 26 *
JMF 0:082731ede69f 27 * For more information on JSMN:
JMF 0:082731ede69f 28 * @see http://zserge.com/jsmn.html
JMF 0:082731ede69f 29 */
JMF 0:082731ede69f 30
JMF 0:082731ede69f 31 #ifndef __JSMN_H_
JMF 0:082731ede69f 32 #define __JSMN_H_
JMF 0:082731ede69f 33
JMF 0:082731ede69f 34 #include <stddef.h>
JMF 0:082731ede69f 35
JMF 0:082731ede69f 36 #ifdef __cplusplus
JMF 0:082731ede69f 37 extern "C" {
JMF 0:082731ede69f 38 #endif
JMF 0:082731ede69f 39
JMF 0:082731ede69f 40 /**
JMF 0:082731ede69f 41 * JSON type identifier. Basic types are:
JMF 0:082731ede69f 42 * o Object
JMF 0:082731ede69f 43 * o Array
JMF 0:082731ede69f 44 * o String
JMF 0:082731ede69f 45 * o Other primitive: number, boolean (true/false) or null
JMF 0:082731ede69f 46 */
JMF 0:082731ede69f 47 typedef enum {
JMF 0:082731ede69f 48 JSMN_UNDEFINED = 0,
JMF 0:082731ede69f 49 JSMN_OBJECT = 1,
JMF 0:082731ede69f 50 JSMN_ARRAY = 2,
JMF 0:082731ede69f 51 JSMN_STRING = 3,
JMF 0:082731ede69f 52 JSMN_PRIMITIVE = 4
JMF 0:082731ede69f 53 } jsmntype_t;
JMF 0:082731ede69f 54
JMF 0:082731ede69f 55 enum jsmnerr {
JMF 0:082731ede69f 56 /* Not enough tokens were provided */
JMF 0:082731ede69f 57 JSMN_ERROR_NOMEM = -1,
JMF 0:082731ede69f 58 /* Invalid character inside JSON string */
JMF 0:082731ede69f 59 JSMN_ERROR_INVAL = -2,
JMF 0:082731ede69f 60 /* The string is not a full JSON packet, more bytes expected */
JMF 0:082731ede69f 61 JSMN_ERROR_PART = -3
JMF 0:082731ede69f 62 };
JMF 0:082731ede69f 63
JMF 0:082731ede69f 64 /**
JMF 0:082731ede69f 65 * JSON token description.
JMF 0:082731ede69f 66 * type type (object, array, string etc.)
JMF 0:082731ede69f 67 * start start position in JSON data string
JMF 0:082731ede69f 68 * end end position in JSON data string
JMF 0:082731ede69f 69 */
JMF 0:082731ede69f 70 typedef struct {
JMF 0:082731ede69f 71 jsmntype_t type;
JMF 0:082731ede69f 72 int start;
JMF 0:082731ede69f 73 int end;
JMF 0:082731ede69f 74 int size;
JMF 0:082731ede69f 75 #ifdef JSMN_PARENT_LINKS
JMF 0:082731ede69f 76 int parent;
JMF 0:082731ede69f 77 #endif
JMF 0:082731ede69f 78 } jsmntok_t;
JMF 0:082731ede69f 79
JMF 0:082731ede69f 80 /**
JMF 0:082731ede69f 81 * JSON parser. Contains an array of token blocks available. Also stores
JMF 0:082731ede69f 82 * the string being parsed now and current position in that string
JMF 0:082731ede69f 83 */
JMF 0:082731ede69f 84 typedef struct {
JMF 0:082731ede69f 85 unsigned int pos; /* offset in the JSON string */
JMF 0:082731ede69f 86 unsigned int toknext; /* next token to allocate */
JMF 0:082731ede69f 87 int toksuper; /* superior token node, e.g parent object or array */
JMF 0:082731ede69f 88 } jsmn_parser;
JMF 0:082731ede69f 89
JMF 0:082731ede69f 90 /**
JMF 0:082731ede69f 91 * Create JSON parser over an array of tokens
JMF 0:082731ede69f 92 */
JMF 0:082731ede69f 93 void jsmn_init(jsmn_parser *parser);
JMF 0:082731ede69f 94
JMF 0:082731ede69f 95 /**
JMF 0:082731ede69f 96 * Run JSON parser. It parses a JSON data string into and array of tokens, each describing
JMF 0:082731ede69f 97 * a single JSON object.
JMF 0:082731ede69f 98 */
JMF 0:082731ede69f 99 int jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
JMF 0:082731ede69f 100 jsmntok_t *tokens, unsigned int num_tokens);
JMF 0:082731ede69f 101
JMF 0:082731ede69f 102 #ifdef __cplusplus
JMF 0:082731ede69f 103 }
JMF 0:082731ede69f 104 #endif
JMF 0:082731ede69f 105
JMF 0:082731ede69f 106 #endif /* __JSMN_H_ */