Jeon byungchul / Mbed OS aws-iot-example

this is fork and i will modify for STM32

Fork of AWS-test by Pierre-Marie Ancèle

aws-iot/src/aws_iot_json_utils.cpp@0:cd5404401c2f, 2017-04-12 (annotated)

Committer:
peyo
Date:
Wed Apr 12 14:07:09 2017 +0200
Revision:
0:cd5404401c2f
Child:
2:db59f45ad3d3
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
peyo 0:cd5404401c2f 1 /*
peyo 0:cd5404401c2f 2 * Copyright 2010-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
peyo 0:cd5404401c2f 3 *
peyo 0:cd5404401c2f 4 * Licensed under the Apache License, Version 2.0 (the "License").
peyo 0:cd5404401c2f 5 * You may not use this file except in compliance with the License.
peyo 0:cd5404401c2f 6 * A copy of the License is located at
peyo 0:cd5404401c2f 7 *
peyo 0:cd5404401c2f 8 * http://aws.amazon.com/apache2.0
peyo 0:cd5404401c2f 9 *
peyo 0:cd5404401c2f 10 * or in the "license" file accompanying this file. This file is distributed
peyo 0:cd5404401c2f 11 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
peyo 0:cd5404401c2f 12 * express or implied. See the License for the specific language governing
peyo 0:cd5404401c2f 13 * permissions and limitations under the License.
peyo 0:cd5404401c2f 14 */
peyo 0:cd5404401c2f 15
peyo 0:cd5404401c2f 16 /**
peyo 0:cd5404401c2f 17 * @file aws_json_utils.c
peyo 0:cd5404401c2f 18 * @brief Utilities for manipulating JSON
peyo 0:cd5404401c2f 19 *
peyo 0:cd5404401c2f 20 * json_utils provides JSON parsing utilities for use with the IoT SDK.
peyo 0:cd5404401c2f 21 * Underlying JSON parsing relies on the Jasmine JSON parser.
peyo 0:cd5404401c2f 22 *
peyo 0:cd5404401c2f 23 */
peyo 0:cd5404401c2f 24
peyo 0:cd5404401c2f 25 #ifdef __cplusplus
peyo 0:cd5404401c2f 26 extern "C" {
peyo 0:cd5404401c2f 27 #endif
peyo 0:cd5404401c2f 28
peyo 0:cd5404401c2f 29 #include "aws_iot_json_utils.h"
peyo 0:cd5404401c2f 30
peyo 0:cd5404401c2f 31 #include <stdio.h>
peyo 0:cd5404401c2f 32 #include <stdint.h>
peyo 0:cd5404401c2f 33 #include <string.h>
peyo 0:cd5404401c2f 34
peyo 0:cd5404401c2f 35 #ifdef __cplusplus
peyo 0:cd5404401c2f 36 #include <cinttypes>
peyo 0:cd5404401c2f 37 #else
peyo 0:cd5404401c2f 38
peyo 0:cd5404401c2f 39 #include <inttypes.h>
peyo 0:cd5404401c2f 40
peyo 0:cd5404401c2f 41 #endif
peyo 0:cd5404401c2f 42
peyo 0:cd5404401c2f 43 #include "aws_iot_log.h"
peyo 0:cd5404401c2f 44
peyo 0:cd5404401c2f 45 int8_t jsoneq(const char *json, jsmntok_t *tok, const char *s) {
peyo 0:cd5404401c2f 46 if(tok->type == JSMN_STRING) {
peyo 0:cd5404401c2f 47 if((int) strlen(s) == tok->end - tok->start) {
peyo 0:cd5404401c2f 48 if(strncmp(json + tok->start, s, (size_t) (tok->end - tok->start)) == 0) {
peyo 0:cd5404401c2f 49 return 0;
peyo 0:cd5404401c2f 50 }
peyo 0:cd5404401c2f 51 }
peyo 0:cd5404401c2f 52 }
peyo 0:cd5404401c2f 53 return -1;
peyo 0:cd5404401c2f 54 }
peyo 0:cd5404401c2f 55
peyo 0:cd5404401c2f 56 IoT_Error_t parseUnsignedInteger32Value(uint32_t *i, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 57 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 58 IOT_WARN("Token was not an integer");
peyo 0:cd5404401c2f 59 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 60 }
peyo 0:cd5404401c2f 61
peyo 0:cd5404401c2f 62 if(('-' == (char) (jsonString[token->start])) || (1 != sscanf(jsonString + token->start, "%lu", i))) {
peyo 0:cd5404401c2f 63 IOT_WARN("Token was not an unsigned integer.");
peyo 0:cd5404401c2f 64 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 65 }
peyo 0:cd5404401c2f 66
peyo 0:cd5404401c2f 67 return SUCCESS;
peyo 0:cd5404401c2f 68 }
peyo 0:cd5404401c2f 69
peyo 0:cd5404401c2f 70 IoT_Error_t parseUnsignedInteger16Value(uint16_t *i, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 71 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 72 IOT_WARN("Token was not an integer");
peyo 0:cd5404401c2f 73 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 74 }
peyo 0:cd5404401c2f 75
peyo 0:cd5404401c2f 76 //if(('-' == (char) (jsonString[token->start])) || (1 != sscanf(jsonString + token->start, "%" SCNu16, i))) {
peyo 0:cd5404401c2f 77 if(('-' == (char) (jsonString[token->start])) || (1 != sscanf(jsonString + token->start, "%hu", i))) {
peyo 0:cd5404401c2f 78 IOT_WARN("Token was not an unsigned integer.");
peyo 0:cd5404401c2f 79 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 80 }
peyo 0:cd5404401c2f 81
peyo 0:cd5404401c2f 82 return SUCCESS;
peyo 0:cd5404401c2f 83 }
peyo 0:cd5404401c2f 84
peyo 0:cd5404401c2f 85 IoT_Error_t parseUnsignedInteger8Value(uint8_t *i, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 86 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 87 IOT_WARN("Token was not an integer");
peyo 0:cd5404401c2f 88 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 89 }
peyo 0:cd5404401c2f 90
peyo 0:cd5404401c2f 91 //if(('-' == (char) (jsonString[token->start])) || (1 != sscanf(jsonString + token->start, "%" SCNu8, i))) {
peyo 0:cd5404401c2f 92 if(('-' == (char) (jsonString[token->start])) || (1 != sscanf(jsonString + token->start, "%hhu", i))) {
peyo 0:cd5404401c2f 93 IOT_WARN("Token was not an unsigned integer.");
peyo 0:cd5404401c2f 94 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 95 }
peyo 0:cd5404401c2f 96
peyo 0:cd5404401c2f 97 return SUCCESS;
peyo 0:cd5404401c2f 98 }
peyo 0:cd5404401c2f 99
peyo 0:cd5404401c2f 100 IoT_Error_t parseInteger32Value(int32_t *i, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 101 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 102 IOT_WARN("Token was not an integer");
peyo 0:cd5404401c2f 103 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 104 }
peyo 0:cd5404401c2f 105
peyo 0:cd5404401c2f 106 if(1 != sscanf(jsonString + token->start, "%li", i)) {
peyo 0:cd5404401c2f 107 IOT_WARN("Token was not an integer.");
peyo 0:cd5404401c2f 108 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 109 }
peyo 0:cd5404401c2f 110
peyo 0:cd5404401c2f 111 return SUCCESS;
peyo 0:cd5404401c2f 112 }
peyo 0:cd5404401c2f 113
peyo 0:cd5404401c2f 114 IoT_Error_t parseInteger16Value(int16_t *i, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 115 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 116 IOT_WARN("Token was not an integer");
peyo 0:cd5404401c2f 117 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 118 }
peyo 0:cd5404401c2f 119
peyo 0:cd5404401c2f 120 if(1 != sscanf(jsonString + token->start, "%i", i)) {
peyo 0:cd5404401c2f 121 IOT_WARN("Token was not an integer.");
peyo 0:cd5404401c2f 122 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 123 }
peyo 0:cd5404401c2f 124
peyo 0:cd5404401c2f 125 return SUCCESS;
peyo 0:cd5404401c2f 126 }
peyo 0:cd5404401c2f 127
peyo 0:cd5404401c2f 128 IoT_Error_t parseInteger8Value(int8_t *i, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 129 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 130 IOT_WARN("Token was not an integer");
peyo 0:cd5404401c2f 131 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 132 }
peyo 0:cd5404401c2f 133
peyo 0:cd5404401c2f 134 //if(1 != sscanf(jsonString + token->start, "%" SCNi8, i)) {
peyo 0:cd5404401c2f 135 if(1 != sscanf(jsonString + token->start, "%hhi", i)) {
peyo 0:cd5404401c2f 136 IOT_WARN("Token was not an integer.");
peyo 0:cd5404401c2f 137 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 138 }
peyo 0:cd5404401c2f 139
peyo 0:cd5404401c2f 140 return SUCCESS;
peyo 0:cd5404401c2f 141 }
peyo 0:cd5404401c2f 142
peyo 0:cd5404401c2f 143 IoT_Error_t parseFloatValue(float *f, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 144 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 145 IOT_WARN("Token was not a float.");
peyo 0:cd5404401c2f 146 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 147 }
peyo 0:cd5404401c2f 148
peyo 0:cd5404401c2f 149 if(1 != sscanf(jsonString + token->start, "%f", f)) {
peyo 0:cd5404401c2f 150 IOT_WARN("Token was not a float.");
peyo 0:cd5404401c2f 151 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 152 }
peyo 0:cd5404401c2f 153
peyo 0:cd5404401c2f 154 return SUCCESS;
peyo 0:cd5404401c2f 155 }
peyo 0:cd5404401c2f 156
peyo 0:cd5404401c2f 157 IoT_Error_t parseDoubleValue(double *d, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 158 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 159 IOT_WARN("Token was not a double.");
peyo 0:cd5404401c2f 160 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 161 }
peyo 0:cd5404401c2f 162
peyo 0:cd5404401c2f 163 if(1 != sscanf(jsonString + token->start, "%lf", d)) {
peyo 0:cd5404401c2f 164 IOT_WARN("Token was not a double.");
peyo 0:cd5404401c2f 165 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 166 }
peyo 0:cd5404401c2f 167
peyo 0:cd5404401c2f 168 return SUCCESS;
peyo 0:cd5404401c2f 169 }
peyo 0:cd5404401c2f 170
peyo 0:cd5404401c2f 171 IoT_Error_t parseBooleanValue(bool *b, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 172 if(token->type != JSMN_PRIMITIVE) {
peyo 0:cd5404401c2f 173 IOT_WARN("Token was not a primitive.");
peyo 0:cd5404401c2f 174 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 175 }
peyo 0:cd5404401c2f 176 if(jsonString[token->start] == 't' && jsonString[token->start + 1] == 'r' && jsonString[token->start + 2] == 'u'
peyo 0:cd5404401c2f 177 && jsonString[token->start + 3] == 'e') {
peyo 0:cd5404401c2f 178 *b = true;
peyo 0:cd5404401c2f 179 } else if(jsonString[token->start] == 'f' && jsonString[token->start + 1] == 'a'
peyo 0:cd5404401c2f 180 && jsonString[token->start + 2] == 'l' && jsonString[token->start + 3] == 's'
peyo 0:cd5404401c2f 181 && jsonString[token->start + 4] == 'e') {
peyo 0:cd5404401c2f 182 *b = false;
peyo 0:cd5404401c2f 183 } else {
peyo 0:cd5404401c2f 184 IOT_WARN("Token was not a bool.");
peyo 0:cd5404401c2f 185 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 186 }
peyo 0:cd5404401c2f 187 return SUCCESS;
peyo 0:cd5404401c2f 188 }
peyo 0:cd5404401c2f 189
peyo 0:cd5404401c2f 190 IoT_Error_t parseStringValue(char *buf, const char *jsonString, jsmntok_t *token) {
peyo 0:cd5404401c2f 191 uint16_t size = 0;
peyo 0:cd5404401c2f 192 if(token->type != JSMN_STRING) {
peyo 0:cd5404401c2f 193 IOT_WARN("Token was not a string.");
peyo 0:cd5404401c2f 194 return JSON_PARSE_ERROR;
peyo 0:cd5404401c2f 195 }
peyo 0:cd5404401c2f 196 size = (uint16_t) (token->end - token->start);
peyo 0:cd5404401c2f 197 memcpy(buf, jsonString + token->start, size);
peyo 0:cd5404401c2f 198 buf[size] = '\0';
peyo 0:cd5404401c2f 199 return SUCCESS;
peyo 0:cd5404401c2f 200 }
peyo 0:cd5404401c2f 201
peyo 0:cd5404401c2f 202 #ifdef __cplusplus
peyo 0:cd5404401c2f 203 }
peyo 0:cd5404401c2f 204 #endif