Azure IoT / iothub_client

Microsoft Azure IoTHub client libraries

Dependents:   sht15_remote_monitoring RobotArmDemo iothub_client_sample_amqp f767zi_mqtt ... more

This library implements the Microsoft Azure IoTHub client library. The code is replicated from https://github.com/Azure/azure-iot-sdks

parson.c@85:de16c0a8a196, 2018-03-20 (annotated)

Committer:
AzureIoTClient
Date:
Tue Mar 20 10:29:00 2018 -0700
Revision:
85:de16c0a8a196
Parent:
80:db5f5237bc95
Child:
93:7c0bbb86b167
1.2.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AzureIoTClient 42:448eecc3676e 1 /*
AzureIoTClient 42:448eecc3676e 2 Parson ( http://kgabis.github.com/parson/ )
AzureIoTClient 61:8b85a4e797cf 3 Copyright (c) 2012 - 2017 Krzysztof Gabis
AzureIoTClient 42:448eecc3676e 4
AzureIoTClient 42:448eecc3676e 5 Permission is hereby granted, free of charge, to any person obtaining a copy
AzureIoTClient 42:448eecc3676e 6 of this software and associated documentation files (the "Software"), to deal
AzureIoTClient 42:448eecc3676e 7 in the Software without restriction, including without limitation the rights
AzureIoTClient 42:448eecc3676e 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
AzureIoTClient 42:448eecc3676e 9 copies of the Software, and to permit persons to whom the Software is
AzureIoTClient 42:448eecc3676e 10 furnished to do so, subject to the following conditions:
AzureIoTClient 42:448eecc3676e 11
AzureIoTClient 42:448eecc3676e 12 The above copyright notice and this permission notice shall be included in
AzureIoTClient 42:448eecc3676e 13 all copies or substantial portions of the Software.
AzureIoTClient 42:448eecc3676e 14
AzureIoTClient 42:448eecc3676e 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
AzureIoTClient 42:448eecc3676e 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
AzureIoTClient 42:448eecc3676e 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AzureIoTClient 42:448eecc3676e 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
AzureIoTClient 42:448eecc3676e 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AzureIoTClient 42:448eecc3676e 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
AzureIoTClient 42:448eecc3676e 21 THE SOFTWARE.
AzureIoTClient 42:448eecc3676e 22 */
AzureIoTClient 42:448eecc3676e 23 #ifdef _MSC_VER
AzureIoTClient 42:448eecc3676e 24 #ifndef _CRT_SECURE_NO_WARNINGS
AzureIoTClient 42:448eecc3676e 25 #define _CRT_SECURE_NO_WARNINGS
AzureIoTClient 42:448eecc3676e 26 #endif /* _CRT_SECURE_NO_WARNINGS */
AzureIoTClient 42:448eecc3676e 27 #endif /* _MSC_VER */
AzureIoTClient 42:448eecc3676e 28
AzureIoTClient 42:448eecc3676e 29 #include "parson.h"
AzureIoTClient 42:448eecc3676e 30
AzureIoTClient 42:448eecc3676e 31 #include <stdio.h>
AzureIoTClient 42:448eecc3676e 32 #include <stdlib.h>
AzureIoTClient 42:448eecc3676e 33 #include <string.h>
AzureIoTClient 42:448eecc3676e 34 #include <ctype.h>
AzureIoTClient 42:448eecc3676e 35 #include <math.h>
AzureIoTClient 61:8b85a4e797cf 36 #include <errno.h>
AzureIoTClient 61:8b85a4e797cf 37
AzureIoTClient 61:8b85a4e797cf 38 /* Apparently sscanf is not implemented in some "standard" libraries, so don't use it, if you
AzureIoTClient 61:8b85a4e797cf 39 * don't have to. */
AzureIoTClient 61:8b85a4e797cf 40 #define sscanf THINK_TWICE_ABOUT_USING_SSCANF
AzureIoTClient 42:448eecc3676e 41
AzureIoTClient 80:db5f5237bc95 42 #define STARTING_CAPACITY 16
AzureIoTClient 80:db5f5237bc95 43 #define MAX_NESTING 2048
AzureIoTClient 80:db5f5237bc95 44 #define FLOAT_FORMAT "%1.17g"
AzureIoTClient 42:448eecc3676e 45
AzureIoTClient 42:448eecc3676e 46 #define SIZEOF_TOKEN(a) (sizeof(a) - 1)
AzureIoTClient 42:448eecc3676e 47 #define SKIP_CHAR(str) ((*str)++)
AzureIoTClient 80:db5f5237bc95 48 #define SKIP_WHITESPACES(str) while (isspace((unsigned char)(**str))) { SKIP_CHAR(str); }
AzureIoTClient 42:448eecc3676e 49 #define MAX(a, b) ((a) > (b) ? (a) : (b))
AzureIoTClient 42:448eecc3676e 50
AzureIoTClient 42:448eecc3676e 51 #undef malloc
AzureIoTClient 42:448eecc3676e 52 #undef free
AzureIoTClient 42:448eecc3676e 53
AzureIoTClient 42:448eecc3676e 54 static JSON_Malloc_Function parson_malloc = malloc;
AzureIoTClient 42:448eecc3676e 55 static JSON_Free_Function parson_free = free;
AzureIoTClient 42:448eecc3676e 56
AzureIoTClient 42:448eecc3676e 57 #define IS_CONT(b) (((unsigned char)(b) & 0xC0) == 0x80) /* is utf-8 continuation byte */
AzureIoTClient 42:448eecc3676e 58
AzureIoTClient 42:448eecc3676e 59 /* Type definitions */
AzureIoTClient 42:448eecc3676e 60 typedef union json_value_value {
AzureIoTClient 42:448eecc3676e 61 char *string;
AzureIoTClient 42:448eecc3676e 62 double number;
AzureIoTClient 42:448eecc3676e 63 JSON_Object *object;
AzureIoTClient 42:448eecc3676e 64 JSON_Array *array;
AzureIoTClient 42:448eecc3676e 65 int boolean;
AzureIoTClient 42:448eecc3676e 66 int null;
AzureIoTClient 42:448eecc3676e 67 } JSON_Value_Value;
AzureIoTClient 42:448eecc3676e 68
AzureIoTClient 42:448eecc3676e 69 struct json_value_t {
AzureIoTClient 61:8b85a4e797cf 70 JSON_Value *parent;
AzureIoTClient 61:8b85a4e797cf 71 JSON_Value_Type type;
AzureIoTClient 61:8b85a4e797cf 72 JSON_Value_Value value;
AzureIoTClient 42:448eecc3676e 73 };
AzureIoTClient 42:448eecc3676e 74
AzureIoTClient 42:448eecc3676e 75 struct json_object_t {
AzureIoTClient 61:8b85a4e797cf 76 JSON_Value *wrapping_value;
AzureIoTClient 42:448eecc3676e 77 char **names;
AzureIoTClient 42:448eecc3676e 78 JSON_Value **values;
AzureIoTClient 42:448eecc3676e 79 size_t count;
AzureIoTClient 42:448eecc3676e 80 size_t capacity;
AzureIoTClient 42:448eecc3676e 81 };
AzureIoTClient 42:448eecc3676e 82
AzureIoTClient 42:448eecc3676e 83 struct json_array_t {
AzureIoTClient 61:8b85a4e797cf 84 JSON_Value *wrapping_value;
AzureIoTClient 42:448eecc3676e 85 JSON_Value **items;
AzureIoTClient 42:448eecc3676e 86 size_t count;
AzureIoTClient 42:448eecc3676e 87 size_t capacity;
AzureIoTClient 42:448eecc3676e 88 };
AzureIoTClient 42:448eecc3676e 89
AzureIoTClient 42:448eecc3676e 90 /* Various */
AzureIoTClient 42:448eecc3676e 91 static char * read_file(const char *filename);
AzureIoTClient 42:448eecc3676e 92 static void remove_comments(char *string, const char *start_token, const char *end_token);
AzureIoTClient 42:448eecc3676e 93 static char * parson_strndup(const char *string, size_t n);
AzureIoTClient 42:448eecc3676e 94 static char * parson_strdup(const char *string);
AzureIoTClient 61:8b85a4e797cf 95 static int hex_char_to_int(char c);
AzureIoTClient 61:8b85a4e797cf 96 static int parse_utf16_hex(const char *string, unsigned int *result);
AzureIoTClient 42:448eecc3676e 97 static int num_bytes_in_utf8_sequence(unsigned char c);
AzureIoTClient 42:448eecc3676e 98 static int verify_utf8_sequence(const unsigned char *string, int *len);
AzureIoTClient 42:448eecc3676e 99 static int is_valid_utf8(const char *string, size_t string_len);
AzureIoTClient 42:448eecc3676e 100 static int is_decimal(const char *string, size_t length);
AzureIoTClient 42:448eecc3676e 101
AzureIoTClient 42:448eecc3676e 102 /* JSON Object */
AzureIoTClient 61:8b85a4e797cf 103 static JSON_Object * json_object_init(JSON_Value *wrapping_value);
AzureIoTClient 42:448eecc3676e 104 static JSON_Status json_object_add(JSON_Object *object, const char *name, JSON_Value *value);
AzureIoTClient 42:448eecc3676e 105 static JSON_Status json_object_resize(JSON_Object *object, size_t new_capacity);
AzureIoTClient 42:448eecc3676e 106 static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n);
AzureIoTClient 42:448eecc3676e 107 static void json_object_free(JSON_Object *object);
AzureIoTClient 42:448eecc3676e 108
AzureIoTClient 42:448eecc3676e 109 /* JSON Array */
AzureIoTClient 61:8b85a4e797cf 110 static JSON_Array * json_array_init(JSON_Value *wrapping_value);
AzureIoTClient 42:448eecc3676e 111 static JSON_Status json_array_add(JSON_Array *array, JSON_Value *value);
AzureIoTClient 42:448eecc3676e 112 static JSON_Status json_array_resize(JSON_Array *array, size_t new_capacity);
AzureIoTClient 42:448eecc3676e 113 static void json_array_free(JSON_Array *array);
AzureIoTClient 42:448eecc3676e 114
AzureIoTClient 42:448eecc3676e 115 /* JSON Value */
AzureIoTClient 42:448eecc3676e 116 static JSON_Value * json_value_init_string_no_copy(char *string);
AzureIoTClient 42:448eecc3676e 117
AzureIoTClient 42:448eecc3676e 118 /* Parser */
AzureIoTClient 50:bbc71457b0ea 119 static JSON_Status skip_quotes(const char **string);
AzureIoTClient 61:8b85a4e797cf 120 static int parse_utf16(const char **unprocessed, char **processed);
AzureIoTClient 42:448eecc3676e 121 static char * process_string(const char *input, size_t len);
AzureIoTClient 42:448eecc3676e 122 static char * get_quoted_string(const char **string);
AzureIoTClient 42:448eecc3676e 123 static JSON_Value * parse_object_value(const char **string, size_t nesting);
AzureIoTClient 42:448eecc3676e 124 static JSON_Value * parse_array_value(const char **string, size_t nesting);
AzureIoTClient 42:448eecc3676e 125 static JSON_Value * parse_string_value(const char **string);
AzureIoTClient 42:448eecc3676e 126 static JSON_Value * parse_boolean_value(const char **string);
AzureIoTClient 42:448eecc3676e 127 static JSON_Value * parse_number_value(const char **string);
AzureIoTClient 42:448eecc3676e 128 static JSON_Value * parse_null_value(const char **string);
AzureIoTClient 42:448eecc3676e 129 static JSON_Value * parse_value(const char **string, size_t nesting);
AzureIoTClient 42:448eecc3676e 130
AzureIoTClient 42:448eecc3676e 131 /* Serialization */
AzureIoTClient 42:448eecc3676e 132 static int json_serialize_to_buffer_r(const JSON_Value *value, char *buf, int level, int is_pretty, char *num_buf);
AzureIoTClient 42:448eecc3676e 133 static int json_serialize_string(const char *string, char *buf);
AzureIoTClient 42:448eecc3676e 134 static int append_indent(char *buf, int level);
AzureIoTClient 42:448eecc3676e 135 static int append_string(char *buf, const char *string);
AzureIoTClient 42:448eecc3676e 136
AzureIoTClient 42:448eecc3676e 137 /* Various */
AzureIoTClient 42:448eecc3676e 138 static char * parson_strndup(const char *string, size_t n) {
AzureIoTClient 42:448eecc3676e 139 char *output_string = (char*)parson_malloc(n + 1);
AzureIoTClient 50:bbc71457b0ea 140 if (!output_string) {
AzureIoTClient 42:448eecc3676e 141 return NULL;
AzureIoTClient 50:bbc71457b0ea 142 }
AzureIoTClient 42:448eecc3676e 143 output_string[n] = '\0';
AzureIoTClient 42:448eecc3676e 144 strncpy(output_string, string, n);
AzureIoTClient 42:448eecc3676e 145 return output_string;
AzureIoTClient 42:448eecc3676e 146 }
AzureIoTClient 42:448eecc3676e 147
AzureIoTClient 42:448eecc3676e 148 static char * parson_strdup(const char *string) {
AzureIoTClient 42:448eecc3676e 149 return parson_strndup(string, strlen(string));
AzureIoTClient 42:448eecc3676e 150 }
AzureIoTClient 42:448eecc3676e 151
AzureIoTClient 61:8b85a4e797cf 152 static int hex_char_to_int(char c) {
AzureIoTClient 61:8b85a4e797cf 153 if (c >= '0' && c <= '9') {
AzureIoTClient 61:8b85a4e797cf 154 return c - '0';
AzureIoTClient 61:8b85a4e797cf 155 } else if (c >= 'a' && c <= 'f') {
AzureIoTClient 61:8b85a4e797cf 156 return c - 'a' + 10;
AzureIoTClient 61:8b85a4e797cf 157 } else if (c >= 'A' && c <= 'F') {
AzureIoTClient 61:8b85a4e797cf 158 return c - 'A' + 10;
AzureIoTClient 61:8b85a4e797cf 159 }
AzureIoTClient 61:8b85a4e797cf 160 return -1;
AzureIoTClient 61:8b85a4e797cf 161 }
AzureIoTClient 61:8b85a4e797cf 162
AzureIoTClient 61:8b85a4e797cf 163 static int parse_utf16_hex(const char *s, unsigned int *result) {
AzureIoTClient 61:8b85a4e797cf 164 int x1, x2, x3, x4;
AzureIoTClient 61:8b85a4e797cf 165 if (s[0] == '\0' || s[1] == '\0' || s[2] == '\0' || s[3] == '\0') {
AzureIoTClient 61:8b85a4e797cf 166 return 0;
AzureIoTClient 61:8b85a4e797cf 167 }
AzureIoTClient 61:8b85a4e797cf 168 x1 = hex_char_to_int(s[0]);
AzureIoTClient 61:8b85a4e797cf 169 x2 = hex_char_to_int(s[1]);
AzureIoTClient 61:8b85a4e797cf 170 x3 = hex_char_to_int(s[2]);
AzureIoTClient 61:8b85a4e797cf 171 x4 = hex_char_to_int(s[3]);
AzureIoTClient 61:8b85a4e797cf 172 if (x1 == -1 || x2 == -1 || x3 == -1 || x4 == -1) {
AzureIoTClient 61:8b85a4e797cf 173 return 0;
AzureIoTClient 61:8b85a4e797cf 174 }
AzureIoTClient 61:8b85a4e797cf 175 *result = (unsigned int)((x1 << 12) | (x2 << 8) | (x3 << 4) | x4);
AzureIoTClient 61:8b85a4e797cf 176 return 1;
AzureIoTClient 42:448eecc3676e 177 }
AzureIoTClient 42:448eecc3676e 178
AzureIoTClient 42:448eecc3676e 179 static int num_bytes_in_utf8_sequence(unsigned char c) {
AzureIoTClient 42:448eecc3676e 180 if (c == 0xC0 || c == 0xC1 || c > 0xF4 || IS_CONT(c)) {
AzureIoTClient 42:448eecc3676e 181 return 0;
AzureIoTClient 42:448eecc3676e 182 } else if ((c & 0x80) == 0) { /* 0xxxxxxx */
AzureIoTClient 42:448eecc3676e 183 return 1;
AzureIoTClient 42:448eecc3676e 184 } else if ((c & 0xE0) == 0xC0) { /* 110xxxxx */
AzureIoTClient 42:448eecc3676e 185 return 2;
AzureIoTClient 42:448eecc3676e 186 } else if ((c & 0xF0) == 0xE0) { /* 1110xxxx */
AzureIoTClient 42:448eecc3676e 187 return 3;
AzureIoTClient 42:448eecc3676e 188 } else if ((c & 0xF8) == 0xF0) { /* 11110xxx */
AzureIoTClient 42:448eecc3676e 189 return 4;
AzureIoTClient 42:448eecc3676e 190 }
AzureIoTClient 42:448eecc3676e 191 return 0; /* won't happen */
AzureIoTClient 42:448eecc3676e 192 }
AzureIoTClient 42:448eecc3676e 193
AzureIoTClient 42:448eecc3676e 194 static int verify_utf8_sequence(const unsigned char *string, int *len) {
AzureIoTClient 42:448eecc3676e 195 unsigned int cp = 0;
AzureIoTClient 42:448eecc3676e 196 *len = num_bytes_in_utf8_sequence(string[0]);
AzureIoTClient 42:448eecc3676e 197
AzureIoTClient 42:448eecc3676e 198 if (*len == 1) {
AzureIoTClient 42:448eecc3676e 199 cp = string[0];
AzureIoTClient 42:448eecc3676e 200 } else if (*len == 2 && IS_CONT(string[1])) {
AzureIoTClient 42:448eecc3676e 201 cp = string[0] & 0x1F;
AzureIoTClient 42:448eecc3676e 202 cp = (cp << 6) | (string[1] & 0x3F);
AzureIoTClient 42:448eecc3676e 203 } else if (*len == 3 && IS_CONT(string[1]) && IS_CONT(string[2])) {
AzureIoTClient 42:448eecc3676e 204 cp = ((unsigned char)string[0]) & 0xF;
AzureIoTClient 42:448eecc3676e 205 cp = (cp << 6) | (string[1] & 0x3F);
AzureIoTClient 42:448eecc3676e 206 cp = (cp << 6) | (string[2] & 0x3F);
AzureIoTClient 42:448eecc3676e 207 } else if (*len == 4 && IS_CONT(string[1]) && IS_CONT(string[2]) && IS_CONT(string[3])) {
AzureIoTClient 42:448eecc3676e 208 cp = string[0] & 0x7;
AzureIoTClient 42:448eecc3676e 209 cp = (cp << 6) | (string[1] & 0x3F);
AzureIoTClient 42:448eecc3676e 210 cp = (cp << 6) | (string[2] & 0x3F);
AzureIoTClient 42:448eecc3676e 211 cp = (cp << 6) | (string[3] & 0x3F);
AzureIoTClient 42:448eecc3676e 212 } else {
AzureIoTClient 42:448eecc3676e 213 return 0;
AzureIoTClient 42:448eecc3676e 214 }
AzureIoTClient 42:448eecc3676e 215
AzureIoTClient 42:448eecc3676e 216 /* overlong encodings */
AzureIoTClient 42:448eecc3676e 217 if ((cp < 0x80 && *len > 1) ||
AzureIoTClient 42:448eecc3676e 218 (cp < 0x800 && *len > 2) ||
AzureIoTClient 42:448eecc3676e 219 (cp < 0x10000 && *len > 3)) {
AzureIoTClient 42:448eecc3676e 220 return 0;
AzureIoTClient 42:448eecc3676e 221 }
AzureIoTClient 42:448eecc3676e 222
AzureIoTClient 42:448eecc3676e 223 /* invalid unicode */
AzureIoTClient 42:448eecc3676e 224 if (cp > 0x10FFFF) {
AzureIoTClient 42:448eecc3676e 225 return 0;
AzureIoTClient 42:448eecc3676e 226 }
AzureIoTClient 42:448eecc3676e 227
AzureIoTClient 42:448eecc3676e 228 /* surrogate halves */
AzureIoTClient 42:448eecc3676e 229 if (cp >= 0xD800 && cp <= 0xDFFF) {
AzureIoTClient 42:448eecc3676e 230 return 0;
AzureIoTClient 42:448eecc3676e 231 }
AzureIoTClient 42:448eecc3676e 232
AzureIoTClient 42:448eecc3676e 233 return 1;
AzureIoTClient 42:448eecc3676e 234 }
AzureIoTClient 42:448eecc3676e 235
AzureIoTClient 42:448eecc3676e 236 static int is_valid_utf8(const char *string, size_t string_len) {
AzureIoTClient 42:448eecc3676e 237 int len = 0;
AzureIoTClient 42:448eecc3676e 238 const char *string_end = string + string_len;
AzureIoTClient 42:448eecc3676e 239 while (string < string_end) {
AzureIoTClient 42:448eecc3676e 240 if (!verify_utf8_sequence((const unsigned char*)string, &len)) {
AzureIoTClient 42:448eecc3676e 241 return 0;
AzureIoTClient 42:448eecc3676e 242 }
AzureIoTClient 42:448eecc3676e 243 string += len;
AzureIoTClient 42:448eecc3676e 244 }
AzureIoTClient 42:448eecc3676e 245 return 1;
AzureIoTClient 42:448eecc3676e 246 }
AzureIoTClient 42:448eecc3676e 247
AzureIoTClient 42:448eecc3676e 248 static int is_decimal(const char *string, size_t length) {
AzureIoTClient 50:bbc71457b0ea 249 if (length > 1 && string[0] == '0' && string[1] != '.') {
AzureIoTClient 42:448eecc3676e 250 return 0;
AzureIoTClient 50:bbc71457b0ea 251 }
AzureIoTClient 50:bbc71457b0ea 252 if (length > 2 && !strncmp(string, "-0", 2) && string[2] != '.') {
AzureIoTClient 42:448eecc3676e 253 return 0;
AzureIoTClient 50:bbc71457b0ea 254 }
AzureIoTClient 61:8b85a4e797cf 255 while (length--) {
AzureIoTClient 50:bbc71457b0ea 256 if (strchr("xX", string[length])) {
AzureIoTClient 42:448eecc3676e 257 return 0;
AzureIoTClient 50:bbc71457b0ea 258 }
AzureIoTClient 61:8b85a4e797cf 259 }
AzureIoTClient 42:448eecc3676e 260 return 1;
AzureIoTClient 42:448eecc3676e 261 }
AzureIoTClient 42:448eecc3676e 262
AzureIoTClient 42:448eecc3676e 263 static char * read_file(const char * filename) {
AzureIoTClient 42:448eecc3676e 264 FILE *fp = fopen(filename, "r");
AzureIoTClient 42:448eecc3676e 265 size_t file_size;
AzureIoTClient 42:448eecc3676e 266 long pos;
AzureIoTClient 42:448eecc3676e 267 char *file_contents;
AzureIoTClient 50:bbc71457b0ea 268 if (!fp) {
AzureIoTClient 42:448eecc3676e 269 return NULL;
AzureIoTClient 50:bbc71457b0ea 270 }
AzureIoTClient 42:448eecc3676e 271 fseek(fp, 0L, SEEK_END);
AzureIoTClient 42:448eecc3676e 272 pos = ftell(fp);
AzureIoTClient 42:448eecc3676e 273 if (pos < 0) {
AzureIoTClient 42:448eecc3676e 274 fclose(fp);
AzureIoTClient 42:448eecc3676e 275 return NULL;
AzureIoTClient 42:448eecc3676e 276 }
AzureIoTClient 42:448eecc3676e 277 file_size = pos;
AzureIoTClient 42:448eecc3676e 278 rewind(fp);
AzureIoTClient 42:448eecc3676e 279 file_contents = (char*)parson_malloc(sizeof(char) * (file_size + 1));
AzureIoTClient 42:448eecc3676e 280 if (!file_contents) {
AzureIoTClient 42:448eecc3676e 281 fclose(fp);
AzureIoTClient 42:448eecc3676e 282 return NULL;
AzureIoTClient 42:448eecc3676e 283 }
AzureIoTClient 42:448eecc3676e 284 if (fread(file_contents, file_size, 1, fp) < 1) {
AzureIoTClient 42:448eecc3676e 285 if (ferror(fp)) {
AzureIoTClient 42:448eecc3676e 286 fclose(fp);
AzureIoTClient 42:448eecc3676e 287 parson_free(file_contents);
AzureIoTClient 42:448eecc3676e 288 return NULL;
AzureIoTClient 42:448eecc3676e 289 }
AzureIoTClient 42:448eecc3676e 290 }
AzureIoTClient 42:448eecc3676e 291 fclose(fp);
AzureIoTClient 42:448eecc3676e 292 file_contents[file_size] = '\0';
AzureIoTClient 42:448eecc3676e 293 return file_contents;
AzureIoTClient 42:448eecc3676e 294 }
AzureIoTClient 42:448eecc3676e 295
AzureIoTClient 42:448eecc3676e 296 static void remove_comments(char *string, const char *start_token, const char *end_token) {
AzureIoTClient 42:448eecc3676e 297 int in_string = 0, escaped = 0;
AzureIoTClient 42:448eecc3676e 298 size_t i;
AzureIoTClient 42:448eecc3676e 299 char *ptr = NULL, current_char;
AzureIoTClient 42:448eecc3676e 300 size_t start_token_len = strlen(start_token);
AzureIoTClient 42:448eecc3676e 301 size_t end_token_len = strlen(end_token);
AzureIoTClient 50:bbc71457b0ea 302 if (start_token_len == 0 || end_token_len == 0) {
AzureIoTClient 50:bbc71457b0ea 303 return;
AzureIoTClient 50:bbc71457b0ea 304 }
AzureIoTClient 42:448eecc3676e 305 while ((current_char = *string) != '\0') {
AzureIoTClient 42:448eecc3676e 306 if (current_char == '\\' && !escaped) {
AzureIoTClient 42:448eecc3676e 307 escaped = 1;
AzureIoTClient 42:448eecc3676e 308 string++;
AzureIoTClient 42:448eecc3676e 309 continue;
AzureIoTClient 42:448eecc3676e 310 } else if (current_char == '\"' && !escaped) {
AzureIoTClient 42:448eecc3676e 311 in_string = !in_string;
AzureIoTClient 42:448eecc3676e 312 } else if (!in_string && strncmp(string, start_token, start_token_len) == 0) {
AzureIoTClient 50:bbc71457b0ea 313 for(i = 0; i < start_token_len; i++) {
AzureIoTClient 42:448eecc3676e 314 string[i] = ' ';
AzureIoTClient 50:bbc71457b0ea 315 }
AzureIoTClient 50:bbc71457b0ea 316 string = string + start_token_len;
AzureIoTClient 42:448eecc3676e 317 ptr = strstr(string, end_token);
AzureIoTClient 50:bbc71457b0ea 318 if (!ptr) {
AzureIoTClient 42:448eecc3676e 319 return;
AzureIoTClient 50:bbc71457b0ea 320 }
AzureIoTClient 50:bbc71457b0ea 321 for (i = 0; i < (ptr - string) + end_token_len; i++) {
AzureIoTClient 42:448eecc3676e 322 string[i] = ' ';
AzureIoTClient 50:bbc71457b0ea 323 }
AzureIoTClient 50:bbc71457b0ea 324 string = ptr + end_token_len - 1;
AzureIoTClient 42:448eecc3676e 325 }
AzureIoTClient 42:448eecc3676e 326 escaped = 0;
AzureIoTClient 42:448eecc3676e 327 string++;
AzureIoTClient 42:448eecc3676e 328 }
AzureIoTClient 42:448eecc3676e 329 }
AzureIoTClient 42:448eecc3676e 330
AzureIoTClient 42:448eecc3676e 331 /* JSON Object */
AzureIoTClient 61:8b85a4e797cf 332 static JSON_Object * json_object_init(JSON_Value *wrapping_value) {
AzureIoTClient 42:448eecc3676e 333 JSON_Object *new_obj = (JSON_Object*)parson_malloc(sizeof(JSON_Object));
AzureIoTClient 61:8b85a4e797cf 334 if (new_obj == NULL) {
AzureIoTClient 42:448eecc3676e 335 return NULL;
AzureIoTClient 50:bbc71457b0ea 336 }
AzureIoTClient 61:8b85a4e797cf 337 new_obj->wrapping_value = wrapping_value;
AzureIoTClient 42:448eecc3676e 338 new_obj->names = (char**)NULL;
AzureIoTClient 42:448eecc3676e 339 new_obj->values = (JSON_Value**)NULL;
AzureIoTClient 42:448eecc3676e 340 new_obj->capacity = 0;
AzureIoTClient 42:448eecc3676e 341 new_obj->count = 0;
AzureIoTClient 42:448eecc3676e 342 return new_obj;
AzureIoTClient 42:448eecc3676e 343 }
AzureIoTClient 42:448eecc3676e 344
AzureIoTClient 42:448eecc3676e 345 static JSON_Status json_object_add(JSON_Object *object, const char *name, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 346 size_t index = 0;
AzureIoTClient 42:448eecc3676e 347 if (object == NULL || name == NULL || value == NULL) {
AzureIoTClient 42:448eecc3676e 348 return JSONFailure;
AzureIoTClient 42:448eecc3676e 349 }
AzureIoTClient 42:448eecc3676e 350 if (json_object_get_value(object, name) != NULL) {
AzureIoTClient 42:448eecc3676e 351 return JSONFailure;
AzureIoTClient 42:448eecc3676e 352 }
AzureIoTClient 42:448eecc3676e 353 if (object->count >= object->capacity) {
AzureIoTClient 42:448eecc3676e 354 size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY);
AzureIoTClient 50:bbc71457b0ea 355 if (json_object_resize(object, new_capacity) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 356 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 357 }
AzureIoTClient 42:448eecc3676e 358 }
AzureIoTClient 42:448eecc3676e 359 index = object->count;
AzureIoTClient 42:448eecc3676e 360 object->names[index] = parson_strdup(name);
AzureIoTClient 50:bbc71457b0ea 361 if (object->names[index] == NULL) {
AzureIoTClient 42:448eecc3676e 362 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 363 }
AzureIoTClient 61:8b85a4e797cf 364 value->parent = json_object_get_wrapping_value(object);
AzureIoTClient 42:448eecc3676e 365 object->values[index] = value;
AzureIoTClient 42:448eecc3676e 366 object->count++;
AzureIoTClient 42:448eecc3676e 367 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 368 }
AzureIoTClient 42:448eecc3676e 369
AzureIoTClient 42:448eecc3676e 370 static JSON_Status json_object_resize(JSON_Object *object, size_t new_capacity) {
AzureIoTClient 42:448eecc3676e 371 char **temp_names = NULL;
AzureIoTClient 42:448eecc3676e 372 JSON_Value **temp_values = NULL;
AzureIoTClient 42:448eecc3676e 373
AzureIoTClient 42:448eecc3676e 374 if ((object->names == NULL && object->values != NULL) ||
AzureIoTClient 42:448eecc3676e 375 (object->names != NULL && object->values == NULL) ||
AzureIoTClient 42:448eecc3676e 376 new_capacity == 0) {
AzureIoTClient 42:448eecc3676e 377 return JSONFailure; /* Shouldn't happen */
AzureIoTClient 42:448eecc3676e 378 }
AzureIoTClient 42:448eecc3676e 379 temp_names = (char**)parson_malloc(new_capacity * sizeof(char*));
AzureIoTClient 50:bbc71457b0ea 380 if (temp_names == NULL) {
AzureIoTClient 42:448eecc3676e 381 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 382 }
AzureIoTClient 42:448eecc3676e 383 temp_values = (JSON_Value**)parson_malloc(new_capacity * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 384 if (temp_values == NULL) {
AzureIoTClient 42:448eecc3676e 385 parson_free(temp_names);
AzureIoTClient 42:448eecc3676e 386 return JSONFailure;
AzureIoTClient 42:448eecc3676e 387 }
AzureIoTClient 42:448eecc3676e 388 if (object->names != NULL && object->values != NULL && object->count > 0) {
AzureIoTClient 42:448eecc3676e 389 memcpy(temp_names, object->names, object->count * sizeof(char*));
AzureIoTClient 42:448eecc3676e 390 memcpy(temp_values, object->values, object->count * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 391 }
AzureIoTClient 42:448eecc3676e 392 parson_free(object->names);
AzureIoTClient 42:448eecc3676e 393 parson_free(object->values);
AzureIoTClient 42:448eecc3676e 394 object->names = temp_names;
AzureIoTClient 42:448eecc3676e 395 object->values = temp_values;
AzureIoTClient 42:448eecc3676e 396 object->capacity = new_capacity;
AzureIoTClient 42:448eecc3676e 397 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 398 }
AzureIoTClient 42:448eecc3676e 399
AzureIoTClient 42:448eecc3676e 400 static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n) {
AzureIoTClient 42:448eecc3676e 401 size_t i, name_length;
AzureIoTClient 42:448eecc3676e 402 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 403 name_length = strlen(object->names[i]);
AzureIoTClient 50:bbc71457b0ea 404 if (name_length != n) {
AzureIoTClient 42:448eecc3676e 405 continue;
AzureIoTClient 50:bbc71457b0ea 406 }
AzureIoTClient 50:bbc71457b0ea 407 if (strncmp(object->names[i], name, n) == 0) {
AzureIoTClient 42:448eecc3676e 408 return object->values[i];
AzureIoTClient 50:bbc71457b0ea 409 }
AzureIoTClient 42:448eecc3676e 410 }
AzureIoTClient 42:448eecc3676e 411 return NULL;
AzureIoTClient 42:448eecc3676e 412 }
AzureIoTClient 42:448eecc3676e 413
AzureIoTClient 42:448eecc3676e 414 static void json_object_free(JSON_Object *object) {
AzureIoTClient 61:8b85a4e797cf 415 size_t i;
AzureIoTClient 61:8b85a4e797cf 416 for (i = 0; i < object->count; i++) {
AzureIoTClient 61:8b85a4e797cf 417 parson_free(object->names[i]);
AzureIoTClient 61:8b85a4e797cf 418 json_value_free(object->values[i]);
AzureIoTClient 42:448eecc3676e 419 }
AzureIoTClient 42:448eecc3676e 420 parson_free(object->names);
AzureIoTClient 42:448eecc3676e 421 parson_free(object->values);
AzureIoTClient 42:448eecc3676e 422 parson_free(object);
AzureIoTClient 42:448eecc3676e 423 }
AzureIoTClient 42:448eecc3676e 424
AzureIoTClient 42:448eecc3676e 425 /* JSON Array */
AzureIoTClient 61:8b85a4e797cf 426 static JSON_Array * json_array_init(JSON_Value *wrapping_value) {
AzureIoTClient 42:448eecc3676e 427 JSON_Array *new_array = (JSON_Array*)parson_malloc(sizeof(JSON_Array));
AzureIoTClient 61:8b85a4e797cf 428 if (new_array == NULL) {
AzureIoTClient 42:448eecc3676e 429 return NULL;
AzureIoTClient 50:bbc71457b0ea 430 }
AzureIoTClient 61:8b85a4e797cf 431 new_array->wrapping_value = wrapping_value;
AzureIoTClient 42:448eecc3676e 432 new_array->items = (JSON_Value**)NULL;
AzureIoTClient 42:448eecc3676e 433 new_array->capacity = 0;
AzureIoTClient 42:448eecc3676e 434 new_array->count = 0;
AzureIoTClient 42:448eecc3676e 435 return new_array;
AzureIoTClient 42:448eecc3676e 436 }
AzureIoTClient 42:448eecc3676e 437
AzureIoTClient 42:448eecc3676e 438 static JSON_Status json_array_add(JSON_Array *array, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 439 if (array->count >= array->capacity) {
AzureIoTClient 42:448eecc3676e 440 size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY);
AzureIoTClient 50:bbc71457b0ea 441 if (json_array_resize(array, new_capacity) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 442 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 443 }
AzureIoTClient 42:448eecc3676e 444 }
AzureIoTClient 61:8b85a4e797cf 445 value->parent = json_array_get_wrapping_value(array);
AzureIoTClient 42:448eecc3676e 446 array->items[array->count] = value;
AzureIoTClient 42:448eecc3676e 447 array->count++;
AzureIoTClient 42:448eecc3676e 448 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 449 }
AzureIoTClient 42:448eecc3676e 450
AzureIoTClient 42:448eecc3676e 451 static JSON_Status json_array_resize(JSON_Array *array, size_t new_capacity) {
AzureIoTClient 42:448eecc3676e 452 JSON_Value **new_items = NULL;
AzureIoTClient 42:448eecc3676e 453 if (new_capacity == 0) {
AzureIoTClient 42:448eecc3676e 454 return JSONFailure;
AzureIoTClient 42:448eecc3676e 455 }
AzureIoTClient 42:448eecc3676e 456 new_items = (JSON_Value**)parson_malloc(new_capacity * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 457 if (new_items == NULL) {
AzureIoTClient 42:448eecc3676e 458 return JSONFailure;
AzureIoTClient 42:448eecc3676e 459 }
AzureIoTClient 42:448eecc3676e 460 if (array->items != NULL && array->count > 0) {
AzureIoTClient 42:448eecc3676e 461 memcpy(new_items, array->items, array->count * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 462 }
AzureIoTClient 42:448eecc3676e 463 parson_free(array->items);
AzureIoTClient 42:448eecc3676e 464 array->items = new_items;
AzureIoTClient 42:448eecc3676e 465 array->capacity = new_capacity;
AzureIoTClient 42:448eecc3676e 466 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 467 }
AzureIoTClient 42:448eecc3676e 468
AzureIoTClient 42:448eecc3676e 469 static void json_array_free(JSON_Array *array) {
AzureIoTClient 61:8b85a4e797cf 470 size_t i;
AzureIoTClient 61:8b85a4e797cf 471 for (i = 0; i < array->count; i++) {
AzureIoTClient 61:8b85a4e797cf 472 json_value_free(array->items[i]);
AzureIoTClient 61:8b85a4e797cf 473 }
AzureIoTClient 42:448eecc3676e 474 parson_free(array->items);
AzureIoTClient 42:448eecc3676e 475 parson_free(array);
AzureIoTClient 42:448eecc3676e 476 }
AzureIoTClient 42:448eecc3676e 477
AzureIoTClient 42:448eecc3676e 478 /* JSON Value */
AzureIoTClient 42:448eecc3676e 479 static JSON_Value * json_value_init_string_no_copy(char *string) {
AzureIoTClient 42:448eecc3676e 480 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 50:bbc71457b0ea 481 if (!new_value) {
AzureIoTClient 42:448eecc3676e 482 return NULL;
AzureIoTClient 50:bbc71457b0ea 483 }
AzureIoTClient 61:8b85a4e797cf 484 new_value->parent = NULL;
AzureIoTClient 42:448eecc3676e 485 new_value->type = JSONString;
AzureIoTClient 42:448eecc3676e 486 new_value->value.string = string;
AzureIoTClient 42:448eecc3676e 487 return new_value;
AzureIoTClient 42:448eecc3676e 488 }
AzureIoTClient 42:448eecc3676e 489
AzureIoTClient 42:448eecc3676e 490 /* Parser */
AzureIoTClient 50:bbc71457b0ea 491 static JSON_Status skip_quotes(const char **string) {
AzureIoTClient 50:bbc71457b0ea 492 if (**string != '\"') {
AzureIoTClient 50:bbc71457b0ea 493 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 494 }
AzureIoTClient 42:448eecc3676e 495 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 496 while (**string != '\"') {
AzureIoTClient 50:bbc71457b0ea 497 if (**string == '\0') {
AzureIoTClient 50:bbc71457b0ea 498 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 499 } else if (**string == '\\') {
AzureIoTClient 42:448eecc3676e 500 SKIP_CHAR(string);
AzureIoTClient 50:bbc71457b0ea 501 if (**string == '\0') {
AzureIoTClient 50:bbc71457b0ea 502 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 503 }
AzureIoTClient 42:448eecc3676e 504 }
AzureIoTClient 42:448eecc3676e 505 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 506 }
AzureIoTClient 42:448eecc3676e 507 SKIP_CHAR(string);
AzureIoTClient 50:bbc71457b0ea 508 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 509 }
AzureIoTClient 42:448eecc3676e 510
AzureIoTClient 61:8b85a4e797cf 511 static int parse_utf16(const char **unprocessed, char **processed) {
AzureIoTClient 42:448eecc3676e 512 unsigned int cp, lead, trail;
AzureIoTClient 61:8b85a4e797cf 513 int parse_succeeded = 0;
AzureIoTClient 42:448eecc3676e 514 char *processed_ptr = *processed;
AzureIoTClient 42:448eecc3676e 515 const char *unprocessed_ptr = *unprocessed;
AzureIoTClient 42:448eecc3676e 516 unprocessed_ptr++; /* skips u */
AzureIoTClient 61:8b85a4e797cf 517 parse_succeeded = parse_utf16_hex(unprocessed_ptr, &cp);
AzureIoTClient 61:8b85a4e797cf 518 if (!parse_succeeded) {
AzureIoTClient 50:bbc71457b0ea 519 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 520 }
AzureIoTClient 42:448eecc3676e 521 if (cp < 0x80) {
AzureIoTClient 80:db5f5237bc95 522 processed_ptr[0] = (char)cp; /* 0xxxxxxx */
AzureIoTClient 42:448eecc3676e 523 } else if (cp < 0x800) {
AzureIoTClient 80:db5f5237bc95 524 processed_ptr[0] = ((cp >> 6) & 0x1F) | 0xC0; /* 110xxxxx */
AzureIoTClient 80:db5f5237bc95 525 processed_ptr[1] = ((cp) & 0x3F) | 0x80; /* 10xxxxxx */
AzureIoTClient 80:db5f5237bc95 526 processed_ptr += 1;
AzureIoTClient 42:448eecc3676e 527 } else if (cp < 0xD800 || cp > 0xDFFF) {
AzureIoTClient 80:db5f5237bc95 528 processed_ptr[0] = ((cp >> 12) & 0x0F) | 0xE0; /* 1110xxxx */
AzureIoTClient 80:db5f5237bc95 529 processed_ptr[1] = ((cp >> 6) & 0x3F) | 0x80; /* 10xxxxxx */
AzureIoTClient 80:db5f5237bc95 530 processed_ptr[2] = ((cp) & 0x3F) | 0x80; /* 10xxxxxx */
AzureIoTClient 80:db5f5237bc95 531 processed_ptr += 2;
AzureIoTClient 42:448eecc3676e 532 } else if (cp >= 0xD800 && cp <= 0xDBFF) { /* lead surrogate (0xD800..0xDBFF) */
AzureIoTClient 42:448eecc3676e 533 lead = cp;
AzureIoTClient 42:448eecc3676e 534 unprocessed_ptr += 4; /* should always be within the buffer, otherwise previous sscanf would fail */
AzureIoTClient 61:8b85a4e797cf 535 if (*unprocessed_ptr++ != '\\' || *unprocessed_ptr++ != 'u') {
AzureIoTClient 61:8b85a4e797cf 536 return JSONFailure;
AzureIoTClient 61:8b85a4e797cf 537 }
AzureIoTClient 61:8b85a4e797cf 538 parse_succeeded = parse_utf16_hex(unprocessed_ptr, &trail);
AzureIoTClient 61:8b85a4e797cf 539 if (!parse_succeeded || trail < 0xDC00 || trail > 0xDFFF) { /* valid trail surrogate? (0xDC00..0xDFFF) */
AzureIoTClient 61:8b85a4e797cf 540 return JSONFailure;
AzureIoTClient 42:448eecc3676e 541 }
AzureIoTClient 80:db5f5237bc95 542 cp = ((((lead - 0xD800) & 0x3FF) << 10) | ((trail - 0xDC00) & 0x3FF)) + 0x010000;
AzureIoTClient 80:db5f5237bc95 543 processed_ptr[0] = (((cp >> 18) & 0x07) | 0xF0); /* 11110xxx */
AzureIoTClient 80:db5f5237bc95 544 processed_ptr[1] = (((cp >> 12) & 0x3F) | 0x80); /* 10xxxxxx */
AzureIoTClient 80:db5f5237bc95 545 processed_ptr[2] = (((cp >> 6) & 0x3F) | 0x80); /* 10xxxxxx */
AzureIoTClient 80:db5f5237bc95 546 processed_ptr[3] = (((cp) & 0x3F) | 0x80); /* 10xxxxxx */
AzureIoTClient 80:db5f5237bc95 547 processed_ptr += 3;
AzureIoTClient 42:448eecc3676e 548 } else { /* trail surrogate before lead surrogate */
AzureIoTClient 42:448eecc3676e 549 return JSONFailure;
AzureIoTClient 42:448eecc3676e 550 }
AzureIoTClient 42:448eecc3676e 551 unprocessed_ptr += 3;
AzureIoTClient 42:448eecc3676e 552 *processed = processed_ptr;
AzureIoTClient 42:448eecc3676e 553 *unprocessed = unprocessed_ptr;
AzureIoTClient 42:448eecc3676e 554 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 555 }
AzureIoTClient 42:448eecc3676e 556
AzureIoTClient 42:448eecc3676e 557
AzureIoTClient 42:448eecc3676e 558 /* Copies and processes passed string up to supplied length.
AzureIoTClient 42:448eecc3676e 559 Example: "\u006Corem ipsum" -> lorem ipsum */
AzureIoTClient 42:448eecc3676e 560 static char* process_string(const char *input, size_t len) {
AzureIoTClient 42:448eecc3676e 561 const char *input_ptr = input;
AzureIoTClient 42:448eecc3676e 562 size_t initial_size = (len + 1) * sizeof(char);
AzureIoTClient 42:448eecc3676e 563 size_t final_size = 0;
AzureIoTClient 75:86205ca63a59 564 char *output = NULL, *output_ptr = NULL, *resized_output = NULL;
AzureIoTClient 75:86205ca63a59 565 output = (char*)parson_malloc(initial_size);
AzureIoTClient 75:86205ca63a59 566 if (output == NULL) {
AzureIoTClient 75:86205ca63a59 567 goto error;
AzureIoTClient 75:86205ca63a59 568 }
AzureIoTClient 75:86205ca63a59 569 output_ptr = output;
AzureIoTClient 42:448eecc3676e 570 while ((*input_ptr != '\0') && (size_t)(input_ptr - input) < len) {
AzureIoTClient 42:448eecc3676e 571 if (*input_ptr == '\\') {
AzureIoTClient 42:448eecc3676e 572 input_ptr++;
AzureIoTClient 42:448eecc3676e 573 switch (*input_ptr) {
AzureIoTClient 42:448eecc3676e 574 case '\"': *output_ptr = '\"'; break;
AzureIoTClient 42:448eecc3676e 575 case '\\': *output_ptr = '\\'; break;
AzureIoTClient 42:448eecc3676e 576 case '/': *output_ptr = '/'; break;
AzureIoTClient 42:448eecc3676e 577 case 'b': *output_ptr = '\b'; break;
AzureIoTClient 42:448eecc3676e 578 case 'f': *output_ptr = '\f'; break;
AzureIoTClient 42:448eecc3676e 579 case 'n': *output_ptr = '\n'; break;
AzureIoTClient 42:448eecc3676e 580 case 'r': *output_ptr = '\r'; break;
AzureIoTClient 42:448eecc3676e 581 case 't': *output_ptr = '\t'; break;
AzureIoTClient 42:448eecc3676e 582 case 'u':
AzureIoTClient 61:8b85a4e797cf 583 if (parse_utf16(&input_ptr, &output_ptr) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 584 goto error;
AzureIoTClient 50:bbc71457b0ea 585 }
AzureIoTClient 42:448eecc3676e 586 break;
AzureIoTClient 42:448eecc3676e 587 default:
AzureIoTClient 42:448eecc3676e 588 goto error;
AzureIoTClient 42:448eecc3676e 589 }
AzureIoTClient 42:448eecc3676e 590 } else if ((unsigned char)*input_ptr < 0x20) {
AzureIoTClient 42:448eecc3676e 591 goto error; /* 0x00-0x19 are invalid characters for json string (http://www.ietf.org/rfc/rfc4627.txt) */
AzureIoTClient 42:448eecc3676e 592 } else {
AzureIoTClient 42:448eecc3676e 593 *output_ptr = *input_ptr;
AzureIoTClient 42:448eecc3676e 594 }
AzureIoTClient 42:448eecc3676e 595 output_ptr++;
AzureIoTClient 42:448eecc3676e 596 input_ptr++;
AzureIoTClient 42:448eecc3676e 597 }
AzureIoTClient 42:448eecc3676e 598 *output_ptr = '\0';
AzureIoTClient 42:448eecc3676e 599 /* resize to new length */
AzureIoTClient 42:448eecc3676e 600 final_size = (size_t)(output_ptr-output) + 1;
AzureIoTClient 50:bbc71457b0ea 601 /* todo: don't resize if final_size == initial_size */
AzureIoTClient 42:448eecc3676e 602 resized_output = (char*)parson_malloc(final_size);
AzureIoTClient 50:bbc71457b0ea 603 if (resized_output == NULL) {
AzureIoTClient 42:448eecc3676e 604 goto error;
AzureIoTClient 50:bbc71457b0ea 605 }
AzureIoTClient 42:448eecc3676e 606 memcpy(resized_output, output, final_size);
AzureIoTClient 42:448eecc3676e 607 parson_free(output);
AzureIoTClient 42:448eecc3676e 608 return resized_output;
AzureIoTClient 42:448eecc3676e 609 error:
AzureIoTClient 42:448eecc3676e 610 parson_free(output);
AzureIoTClient 42:448eecc3676e 611 return NULL;
AzureIoTClient 42:448eecc3676e 612 }
AzureIoTClient 42:448eecc3676e 613
AzureIoTClient 42:448eecc3676e 614 /* Return processed contents of a string between quotes and
AzureIoTClient 42:448eecc3676e 615 skips passed argument to a matching quote. */
AzureIoTClient 42:448eecc3676e 616 static char * get_quoted_string(const char **string) {
AzureIoTClient 42:448eecc3676e 617 const char *string_start = *string;
AzureIoTClient 42:448eecc3676e 618 size_t string_len = 0;
AzureIoTClient 50:bbc71457b0ea 619 JSON_Status status = skip_quotes(string);
AzureIoTClient 50:bbc71457b0ea 620 if (status != JSONSuccess) {
AzureIoTClient 50:bbc71457b0ea 621 return NULL;
AzureIoTClient 50:bbc71457b0ea 622 }
AzureIoTClient 42:448eecc3676e 623 string_len = *string - string_start - 2; /* length without quotes */
AzureIoTClient 42:448eecc3676e 624 return process_string(string_start + 1, string_len);
AzureIoTClient 42:448eecc3676e 625 }
AzureIoTClient 42:448eecc3676e 626
AzureIoTClient 42:448eecc3676e 627 static JSON_Value * parse_value(const char **string, size_t nesting) {
AzureIoTClient 50:bbc71457b0ea 628 if (nesting > MAX_NESTING) {
AzureIoTClient 42:448eecc3676e 629 return NULL;
AzureIoTClient 50:bbc71457b0ea 630 }
AzureIoTClient 42:448eecc3676e 631 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 632 switch (**string) {
AzureIoTClient 42:448eecc3676e 633 case '{':
AzureIoTClient 42:448eecc3676e 634 return parse_object_value(string, nesting + 1);
AzureIoTClient 42:448eecc3676e 635 case '[':
AzureIoTClient 42:448eecc3676e 636 return parse_array_value(string, nesting + 1);
AzureIoTClient 42:448eecc3676e 637 case '\"':
AzureIoTClient 42:448eecc3676e 638 return parse_string_value(string);
AzureIoTClient 42:448eecc3676e 639 case 'f': case 't':
AzureIoTClient 42:448eecc3676e 640 return parse_boolean_value(string);
AzureIoTClient 42:448eecc3676e 641 case '-':
AzureIoTClient 42:448eecc3676e 642 case '0': case '1': case '2': case '3': case '4':
AzureIoTClient 42:448eecc3676e 643 case '5': case '6': case '7': case '8': case '9':
AzureIoTClient 42:448eecc3676e 644 return parse_number_value(string);
AzureIoTClient 42:448eecc3676e 645 case 'n':
AzureIoTClient 42:448eecc3676e 646 return parse_null_value(string);
AzureIoTClient 42:448eecc3676e 647 default:
AzureIoTClient 42:448eecc3676e 648 return NULL;
AzureIoTClient 42:448eecc3676e 649 }
AzureIoTClient 42:448eecc3676e 650 }
AzureIoTClient 42:448eecc3676e 651
AzureIoTClient 42:448eecc3676e 652 static JSON_Value * parse_object_value(const char **string, size_t nesting) {
AzureIoTClient 42:448eecc3676e 653 JSON_Value *output_value = json_value_init_object(), *new_value = NULL;
AzureIoTClient 42:448eecc3676e 654 JSON_Object *output_object = json_value_get_object(output_value);
AzureIoTClient 42:448eecc3676e 655 char *new_key = NULL;
AzureIoTClient 50:bbc71457b0ea 656 if (output_value == NULL || **string != '{') {
AzureIoTClient 42:448eecc3676e 657 return NULL;
AzureIoTClient 50:bbc71457b0ea 658 }
AzureIoTClient 42:448eecc3676e 659 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 660 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 661 if (**string == '}') { /* empty object */
AzureIoTClient 42:448eecc3676e 662 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 663 return output_value;
AzureIoTClient 42:448eecc3676e 664 }
AzureIoTClient 42:448eecc3676e 665 while (**string != '\0') {
AzureIoTClient 42:448eecc3676e 666 new_key = get_quoted_string(string);
AzureIoTClient 75:86205ca63a59 667 if (new_key == NULL) {
AzureIoTClient 75:86205ca63a59 668 json_value_free(output_value);
AzureIoTClient 75:86205ca63a59 669 return NULL;
AzureIoTClient 75:86205ca63a59 670 }
AzureIoTClient 42:448eecc3676e 671 SKIP_WHITESPACES(string);
AzureIoTClient 75:86205ca63a59 672 if (**string != ':') {
AzureIoTClient 75:86205ca63a59 673 parson_free(new_key);
AzureIoTClient 42:448eecc3676e 674 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 675 return NULL;
AzureIoTClient 42:448eecc3676e 676 }
AzureIoTClient 42:448eecc3676e 677 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 678 new_value = parse_value(string, nesting);
AzureIoTClient 42:448eecc3676e 679 if (new_value == NULL) {
AzureIoTClient 42:448eecc3676e 680 parson_free(new_key);
AzureIoTClient 42:448eecc3676e 681 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 682 return NULL;
AzureIoTClient 42:448eecc3676e 683 }
AzureIoTClient 75:86205ca63a59 684 if (json_object_add(output_object, new_key, new_value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 685 parson_free(new_key);
AzureIoTClient 75:86205ca63a59 686 json_value_free(new_value);
AzureIoTClient 42:448eecc3676e 687 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 688 return NULL;
AzureIoTClient 42:448eecc3676e 689 }
AzureIoTClient 42:448eecc3676e 690 parson_free(new_key);
AzureIoTClient 42:448eecc3676e 691 SKIP_WHITESPACES(string);
AzureIoTClient 50:bbc71457b0ea 692 if (**string != ',') {
AzureIoTClient 42:448eecc3676e 693 break;
AzureIoTClient 50:bbc71457b0ea 694 }
AzureIoTClient 42:448eecc3676e 695 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 696 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 697 }
AzureIoTClient 42:448eecc3676e 698 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 699 if (**string != '}' || /* Trim object after parsing is over */
AzureIoTClient 42:448eecc3676e 700 json_object_resize(output_object, json_object_get_count(output_object)) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 701 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 702 return NULL;
AzureIoTClient 42:448eecc3676e 703 }
AzureIoTClient 42:448eecc3676e 704 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 705 return output_value;
AzureIoTClient 42:448eecc3676e 706 }
AzureIoTClient 42:448eecc3676e 707
AzureIoTClient 42:448eecc3676e 708 static JSON_Value * parse_array_value(const char **string, size_t nesting) {
AzureIoTClient 42:448eecc3676e 709 JSON_Value *output_value = json_value_init_array(), *new_array_value = NULL;
AzureIoTClient 42:448eecc3676e 710 JSON_Array *output_array = json_value_get_array(output_value);
AzureIoTClient 50:bbc71457b0ea 711 if (!output_value || **string != '[') {
AzureIoTClient 42:448eecc3676e 712 return NULL;
AzureIoTClient 50:bbc71457b0ea 713 }
AzureIoTClient 42:448eecc3676e 714 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 715 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 716 if (**string == ']') { /* empty array */
AzureIoTClient 42:448eecc3676e 717 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 718 return output_value;
AzureIoTClient 42:448eecc3676e 719 }
AzureIoTClient 42:448eecc3676e 720 while (**string != '\0') {
AzureIoTClient 42:448eecc3676e 721 new_array_value = parse_value(string, nesting);
AzureIoTClient 75:86205ca63a59 722 if (new_array_value == NULL) {
AzureIoTClient 42:448eecc3676e 723 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 724 return NULL;
AzureIoTClient 42:448eecc3676e 725 }
AzureIoTClient 50:bbc71457b0ea 726 if (json_array_add(output_array, new_array_value) == JSONFailure) {
AzureIoTClient 75:86205ca63a59 727 json_value_free(new_array_value);
AzureIoTClient 42:448eecc3676e 728 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 729 return NULL;
AzureIoTClient 42:448eecc3676e 730 }
AzureIoTClient 42:448eecc3676e 731 SKIP_WHITESPACES(string);
AzureIoTClient 50:bbc71457b0ea 732 if (**string != ',') {
AzureIoTClient 42:448eecc3676e 733 break;
AzureIoTClient 50:bbc71457b0ea 734 }
AzureIoTClient 42:448eecc3676e 735 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 736 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 737 }
AzureIoTClient 42:448eecc3676e 738 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 739 if (**string != ']' || /* Trim array after parsing is over */
AzureIoTClient 42:448eecc3676e 740 json_array_resize(output_array, json_array_get_count(output_array)) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 741 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 742 return NULL;
AzureIoTClient 42:448eecc3676e 743 }
AzureIoTClient 42:448eecc3676e 744 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 745 return output_value;
AzureIoTClient 42:448eecc3676e 746 }
AzureIoTClient 42:448eecc3676e 747
AzureIoTClient 42:448eecc3676e 748 static JSON_Value * parse_string_value(const char **string) {
AzureIoTClient 42:448eecc3676e 749 JSON_Value *value = NULL;
AzureIoTClient 42:448eecc3676e 750 char *new_string = get_quoted_string(string);
AzureIoTClient 50:bbc71457b0ea 751 if (new_string == NULL) {
AzureIoTClient 42:448eecc3676e 752 return NULL;
AzureIoTClient 50:bbc71457b0ea 753 }
AzureIoTClient 42:448eecc3676e 754 value = json_value_init_string_no_copy(new_string);
AzureIoTClient 42:448eecc3676e 755 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 756 parson_free(new_string);
AzureIoTClient 42:448eecc3676e 757 return NULL;
AzureIoTClient 42:448eecc3676e 758 }
AzureIoTClient 42:448eecc3676e 759 return value;
AzureIoTClient 42:448eecc3676e 760 }
AzureIoTClient 42:448eecc3676e 761
AzureIoTClient 42:448eecc3676e 762 static JSON_Value * parse_boolean_value(const char **string) {
AzureIoTClient 42:448eecc3676e 763 size_t true_token_size = SIZEOF_TOKEN("true");
AzureIoTClient 42:448eecc3676e 764 size_t false_token_size = SIZEOF_TOKEN("false");
AzureIoTClient 42:448eecc3676e 765 if (strncmp("true", *string, true_token_size) == 0) {
AzureIoTClient 42:448eecc3676e 766 *string += true_token_size;
AzureIoTClient 42:448eecc3676e 767 return json_value_init_boolean(1);
AzureIoTClient 42:448eecc3676e 768 } else if (strncmp("false", *string, false_token_size) == 0) {
AzureIoTClient 42:448eecc3676e 769 *string += false_token_size;
AzureIoTClient 42:448eecc3676e 770 return json_value_init_boolean(0);
AzureIoTClient 42:448eecc3676e 771 }
AzureIoTClient 42:448eecc3676e 772 return NULL;
AzureIoTClient 42:448eecc3676e 773 }
AzureIoTClient 42:448eecc3676e 774
AzureIoTClient 42:448eecc3676e 775 static JSON_Value * parse_number_value(const char **string) {
AzureIoTClient 42:448eecc3676e 776 char *end;
AzureIoTClient 61:8b85a4e797cf 777 double number = 0;
AzureIoTClient 61:8b85a4e797cf 778 errno = 0;
AzureIoTClient 61:8b85a4e797cf 779 number = strtod(*string, &end);
AzureIoTClient 61:8b85a4e797cf 780 if (errno || !is_decimal(*string, end - *string)) {
AzureIoTClient 61:8b85a4e797cf 781 return NULL;
AzureIoTClient 42:448eecc3676e 782 }
AzureIoTClient 61:8b85a4e797cf 783 *string = end;
AzureIoTClient 61:8b85a4e797cf 784 return json_value_init_number(number);
AzureIoTClient 42:448eecc3676e 785 }
AzureIoTClient 42:448eecc3676e 786
AzureIoTClient 42:448eecc3676e 787 static JSON_Value * parse_null_value(const char **string) {
AzureIoTClient 42:448eecc3676e 788 size_t token_size = SIZEOF_TOKEN("null");
AzureIoTClient 42:448eecc3676e 789 if (strncmp("null", *string, token_size) == 0) {
AzureIoTClient 42:448eecc3676e 790 *string += token_size;
AzureIoTClient 42:448eecc3676e 791 return json_value_init_null();
AzureIoTClient 42:448eecc3676e 792 }
AzureIoTClient 42:448eecc3676e 793 return NULL;
AzureIoTClient 42:448eecc3676e 794 }
AzureIoTClient 42:448eecc3676e 795
AzureIoTClient 42:448eecc3676e 796 /* Serialization */
AzureIoTClient 42:448eecc3676e 797 #define APPEND_STRING(str) do { written = append_string(buf, (str));\
AzureIoTClient 42:448eecc3676e 798 if (written < 0) { return -1; }\
AzureIoTClient 42:448eecc3676e 799 if (buf != NULL) { buf += written; }\
AzureIoTClient 42:448eecc3676e 800 written_total += written; } while(0)
AzureIoTClient 42:448eecc3676e 801
AzureIoTClient 42:448eecc3676e 802 #define APPEND_INDENT(level) do { written = append_indent(buf, (level));\
AzureIoTClient 42:448eecc3676e 803 if (written < 0) { return -1; }\
AzureIoTClient 42:448eecc3676e 804 if (buf != NULL) { buf += written; }\
AzureIoTClient 42:448eecc3676e 805 written_total += written; } while(0)
AzureIoTClient 42:448eecc3676e 806
AzureIoTClient 42:448eecc3676e 807 static int json_serialize_to_buffer_r(const JSON_Value *value, char *buf, int level, int is_pretty, char *num_buf)
AzureIoTClient 42:448eecc3676e 808 {
AzureIoTClient 42:448eecc3676e 809 const char *key = NULL, *string = NULL;
AzureIoTClient 42:448eecc3676e 810 JSON_Value *temp_value = NULL;
AzureIoTClient 42:448eecc3676e 811 JSON_Array *array = NULL;
AzureIoTClient 42:448eecc3676e 812 JSON_Object *object = NULL;
AzureIoTClient 42:448eecc3676e 813 size_t i = 0, count = 0;
AzureIoTClient 42:448eecc3676e 814 double num = 0.0;
AzureIoTClient 42:448eecc3676e 815 int written = -1, written_total = 0;
AzureIoTClient 42:448eecc3676e 816
AzureIoTClient 42:448eecc3676e 817 switch (json_value_get_type(value)) {
AzureIoTClient 42:448eecc3676e 818 case JSONArray:
AzureIoTClient 42:448eecc3676e 819 array = json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 820 count = json_array_get_count(array);
AzureIoTClient 42:448eecc3676e 821 APPEND_STRING("[");
AzureIoTClient 50:bbc71457b0ea 822 if (count > 0 && is_pretty) {
AzureIoTClient 42:448eecc3676e 823 APPEND_STRING("\n");
AzureIoTClient 50:bbc71457b0ea 824 }
AzureIoTClient 42:448eecc3676e 825 for (i = 0; i < count; i++) {
AzureIoTClient 50:bbc71457b0ea 826 if (is_pretty) {
AzureIoTClient 42:448eecc3676e 827 APPEND_INDENT(level+1);
AzureIoTClient 50:bbc71457b0ea 828 }
AzureIoTClient 42:448eecc3676e 829 temp_value = json_array_get_value(array, i);
AzureIoTClient 42:448eecc3676e 830 written = json_serialize_to_buffer_r(temp_value, buf, level+1, is_pretty, num_buf);
AzureIoTClient 50:bbc71457b0ea 831 if (written < 0) {
AzureIoTClient 42:448eecc3676e 832 return -1;
AzureIoTClient 50:bbc71457b0ea 833 }
AzureIoTClient 50:bbc71457b0ea 834 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 835 buf += written;
AzureIoTClient 50:bbc71457b0ea 836 }
AzureIoTClient 42:448eecc3676e 837 written_total += written;
AzureIoTClient 50:bbc71457b0ea 838 if (i < (count - 1)) {
AzureIoTClient 42:448eecc3676e 839 APPEND_STRING(",");
AzureIoTClient 50:bbc71457b0ea 840 }
AzureIoTClient 50:bbc71457b0ea 841 if (is_pretty) {
AzureIoTClient 42:448eecc3676e 842 APPEND_STRING("\n");
AzureIoTClient 50:bbc71457b0ea 843 }
AzureIoTClient 42:448eecc3676e 844 }
AzureIoTClient 50:bbc71457b0ea 845 if (count > 0 && is_pretty) {
AzureIoTClient 42:448eecc3676e 846 APPEND_INDENT(level);
AzureIoTClient 50:bbc71457b0ea 847 }
AzureIoTClient 42:448eecc3676e 848 APPEND_STRING("]");
AzureIoTClient 42:448eecc3676e 849 return written_total;
AzureIoTClient 42:448eecc3676e 850 case JSONObject:
AzureIoTClient 42:448eecc3676e 851 object = json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 852 count = json_object_get_count(object);
AzureIoTClient 42:448eecc3676e 853 APPEND_STRING("{");
AzureIoTClient 50:bbc71457b0ea 854 if (count > 0 && is_pretty) {
AzureIoTClient 42:448eecc3676e 855 APPEND_STRING("\n");
AzureIoTClient 50:bbc71457b0ea 856 }
AzureIoTClient 42:448eecc3676e 857 for (i = 0; i < count; i++) {
AzureIoTClient 42:448eecc3676e 858 key = json_object_get_name(object, i);
AzureIoTClient 61:8b85a4e797cf 859 if (key == NULL) {
AzureIoTClient 61:8b85a4e797cf 860 return -1;
AzureIoTClient 61:8b85a4e797cf 861 }
AzureIoTClient 50:bbc71457b0ea 862 if (is_pretty) {
AzureIoTClient 42:448eecc3676e 863 APPEND_INDENT(level+1);
AzureIoTClient 50:bbc71457b0ea 864 }
AzureIoTClient 42:448eecc3676e 865 written = json_serialize_string(key, buf);
AzureIoTClient 50:bbc71457b0ea 866 if (written < 0) {
AzureIoTClient 42:448eecc3676e 867 return -1;
AzureIoTClient 50:bbc71457b0ea 868 }
AzureIoTClient 50:bbc71457b0ea 869 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 870 buf += written;
AzureIoTClient 50:bbc71457b0ea 871 }
AzureIoTClient 42:448eecc3676e 872 written_total += written;
AzureIoTClient 42:448eecc3676e 873 APPEND_STRING(":");
AzureIoTClient 50:bbc71457b0ea 874 if (is_pretty) {
AzureIoTClient 42:448eecc3676e 875 APPEND_STRING(" ");
AzureIoTClient 50:bbc71457b0ea 876 }
AzureIoTClient 42:448eecc3676e 877 temp_value = json_object_get_value(object, key);
AzureIoTClient 42:448eecc3676e 878 written = json_serialize_to_buffer_r(temp_value, buf, level+1, is_pretty, num_buf);
AzureIoTClient 50:bbc71457b0ea 879 if (written < 0) {
AzureIoTClient 42:448eecc3676e 880 return -1;
AzureIoTClient 50:bbc71457b0ea 881 }
AzureIoTClient 50:bbc71457b0ea 882 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 883 buf += written;
AzureIoTClient 50:bbc71457b0ea 884 }
AzureIoTClient 42:448eecc3676e 885 written_total += written;
AzureIoTClient 50:bbc71457b0ea 886 if (i < (count - 1)) {
AzureIoTClient 42:448eecc3676e 887 APPEND_STRING(",");
AzureIoTClient 50:bbc71457b0ea 888 }
AzureIoTClient 50:bbc71457b0ea 889 if (is_pretty) {
AzureIoTClient 42:448eecc3676e 890 APPEND_STRING("\n");
AzureIoTClient 50:bbc71457b0ea 891 }
AzureIoTClient 42:448eecc3676e 892 }
AzureIoTClient 50:bbc71457b0ea 893 if (count > 0 && is_pretty) {
AzureIoTClient 42:448eecc3676e 894 APPEND_INDENT(level);
AzureIoTClient 50:bbc71457b0ea 895 }
AzureIoTClient 42:448eecc3676e 896 APPEND_STRING("}");
AzureIoTClient 42:448eecc3676e 897 return written_total;
AzureIoTClient 42:448eecc3676e 898 case JSONString:
AzureIoTClient 42:448eecc3676e 899 string = json_value_get_string(value);
AzureIoTClient 61:8b85a4e797cf 900 if (string == NULL) {
AzureIoTClient 61:8b85a4e797cf 901 return -1;
AzureIoTClient 61:8b85a4e797cf 902 }
AzureIoTClient 42:448eecc3676e 903 written = json_serialize_string(string, buf);
AzureIoTClient 50:bbc71457b0ea 904 if (written < 0) {
AzureIoTClient 42:448eecc3676e 905 return -1;
AzureIoTClient 50:bbc71457b0ea 906 }
AzureIoTClient 50:bbc71457b0ea 907 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 908 buf += written;
AzureIoTClient 50:bbc71457b0ea 909 }
AzureIoTClient 42:448eecc3676e 910 written_total += written;
AzureIoTClient 42:448eecc3676e 911 return written_total;
AzureIoTClient 42:448eecc3676e 912 case JSONBoolean:
AzureIoTClient 50:bbc71457b0ea 913 if (json_value_get_boolean(value)) {
AzureIoTClient 42:448eecc3676e 914 APPEND_STRING("true");
AzureIoTClient 50:bbc71457b0ea 915 } else {
AzureIoTClient 42:448eecc3676e 916 APPEND_STRING("false");
AzureIoTClient 50:bbc71457b0ea 917 }
AzureIoTClient 42:448eecc3676e 918 return written_total;
AzureIoTClient 42:448eecc3676e 919 case JSONNumber:
AzureIoTClient 42:448eecc3676e 920 num = json_value_get_number(value);
AzureIoTClient 50:bbc71457b0ea 921 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 922 num_buf = buf;
AzureIoTClient 50:bbc71457b0ea 923 }
AzureIoTClient 80:db5f5237bc95 924 written = sprintf(num_buf, FLOAT_FORMAT, num);
AzureIoTClient 50:bbc71457b0ea 925 if (written < 0) {
AzureIoTClient 42:448eecc3676e 926 return -1;
AzureIoTClient 50:bbc71457b0ea 927 }
AzureIoTClient 50:bbc71457b0ea 928 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 929 buf += written;
AzureIoTClient 50:bbc71457b0ea 930 }
AzureIoTClient 42:448eecc3676e 931 written_total += written;
AzureIoTClient 42:448eecc3676e 932 return written_total;
AzureIoTClient 42:448eecc3676e 933 case JSONNull:
AzureIoTClient 42:448eecc3676e 934 APPEND_STRING("null");
AzureIoTClient 42:448eecc3676e 935 return written_total;
AzureIoTClient 42:448eecc3676e 936 case JSONError:
AzureIoTClient 42:448eecc3676e 937 return -1;
AzureIoTClient 42:448eecc3676e 938 default:
AzureIoTClient 42:448eecc3676e 939 return -1;
AzureIoTClient 42:448eecc3676e 940 }
AzureIoTClient 42:448eecc3676e 941 }
AzureIoTClient 42:448eecc3676e 942
AzureIoTClient 42:448eecc3676e 943 static int json_serialize_string(const char *string, char *buf) {
AzureIoTClient 42:448eecc3676e 944 size_t i = 0, len = strlen(string);
AzureIoTClient 42:448eecc3676e 945 char c = '\0';
AzureIoTClient 42:448eecc3676e 946 int written = -1, written_total = 0;
AzureIoTClient 42:448eecc3676e 947 APPEND_STRING("\"");
AzureIoTClient 42:448eecc3676e 948 for (i = 0; i < len; i++) {
AzureIoTClient 42:448eecc3676e 949 c = string[i];
AzureIoTClient 42:448eecc3676e 950 switch (c) {
AzureIoTClient 42:448eecc3676e 951 case '\"': APPEND_STRING("\\\""); break;
AzureIoTClient 42:448eecc3676e 952 case '\\': APPEND_STRING("\\\\"); break;
AzureIoTClient 42:448eecc3676e 953 case '/': APPEND_STRING("\\/"); break; /* to make json embeddable in xml\/html */
AzureIoTClient 42:448eecc3676e 954 case '\b': APPEND_STRING("\\b"); break;
AzureIoTClient 42:448eecc3676e 955 case '\f': APPEND_STRING("\\f"); break;
AzureIoTClient 42:448eecc3676e 956 case '\n': APPEND_STRING("\\n"); break;
AzureIoTClient 42:448eecc3676e 957 case '\r': APPEND_STRING("\\r"); break;
AzureIoTClient 42:448eecc3676e 958 case '\t': APPEND_STRING("\\t"); break;
AzureIoTClient 56:fdda9c1244e4 959 case '\x00': APPEND_STRING("\\u0000"); break;
AzureIoTClient 56:fdda9c1244e4 960 case '\x01': APPEND_STRING("\\u0001"); break;
AzureIoTClient 56:fdda9c1244e4 961 case '\x02': APPEND_STRING("\\u0002"); break;
AzureIoTClient 56:fdda9c1244e4 962 case '\x03': APPEND_STRING("\\u0003"); break;
AzureIoTClient 56:fdda9c1244e4 963 case '\x04': APPEND_STRING("\\u0004"); break;
AzureIoTClient 56:fdda9c1244e4 964 case '\x05': APPEND_STRING("\\u0005"); break;
AzureIoTClient 56:fdda9c1244e4 965 case '\x06': APPEND_STRING("\\u0006"); break;
AzureIoTClient 56:fdda9c1244e4 966 case '\x07': APPEND_STRING("\\u0007"); break;
AzureIoTClient 56:fdda9c1244e4 967 /* '\x08' duplicate: '\b' */
AzureIoTClient 56:fdda9c1244e4 968 /* '\x09' duplicate: '\t' */
AzureIoTClient 56:fdda9c1244e4 969 /* '\x0a' duplicate: '\n' */
AzureIoTClient 56:fdda9c1244e4 970 case '\x0b': APPEND_STRING("\\u000b"); break;
AzureIoTClient 56:fdda9c1244e4 971 /* '\x0c' duplicate: '\f' */
AzureIoTClient 56:fdda9c1244e4 972 /* '\x0d' duplicate: '\r' */
AzureIoTClient 56:fdda9c1244e4 973 case '\x0e': APPEND_STRING("\\u000e"); break;
AzureIoTClient 56:fdda9c1244e4 974 case '\x0f': APPEND_STRING("\\u000f"); break;
AzureIoTClient 56:fdda9c1244e4 975 case '\x10': APPEND_STRING("\\u0010"); break;
AzureIoTClient 56:fdda9c1244e4 976 case '\x11': APPEND_STRING("\\u0011"); break;
AzureIoTClient 56:fdda9c1244e4 977 case '\x12': APPEND_STRING("\\u0012"); break;
AzureIoTClient 56:fdda9c1244e4 978 case '\x13': APPEND_STRING("\\u0013"); break;
AzureIoTClient 56:fdda9c1244e4 979 case '\x14': APPEND_STRING("\\u0014"); break;
AzureIoTClient 56:fdda9c1244e4 980 case '\x15': APPEND_STRING("\\u0015"); break;
AzureIoTClient 56:fdda9c1244e4 981 case '\x16': APPEND_STRING("\\u0016"); break;
AzureIoTClient 56:fdda9c1244e4 982 case '\x17': APPEND_STRING("\\u0017"); break;
AzureIoTClient 56:fdda9c1244e4 983 case '\x18': APPEND_STRING("\\u0018"); break;
AzureIoTClient 56:fdda9c1244e4 984 case '\x19': APPEND_STRING("\\u0019"); break;
AzureIoTClient 56:fdda9c1244e4 985 case '\x1a': APPEND_STRING("\\u001a"); break;
AzureIoTClient 56:fdda9c1244e4 986 case '\x1b': APPEND_STRING("\\u001b"); break;
AzureIoTClient 56:fdda9c1244e4 987 case '\x1c': APPEND_STRING("\\u001c"); break;
AzureIoTClient 56:fdda9c1244e4 988 case '\x1d': APPEND_STRING("\\u001d"); break;
AzureIoTClient 56:fdda9c1244e4 989 case '\x1e': APPEND_STRING("\\u001e"); break;
AzureIoTClient 56:fdda9c1244e4 990 case '\x1f': APPEND_STRING("\\u001f"); break;
AzureIoTClient 42:448eecc3676e 991 default:
AzureIoTClient 42:448eecc3676e 992 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 993 buf[0] = c;
AzureIoTClient 42:448eecc3676e 994 buf += 1;
AzureIoTClient 42:448eecc3676e 995 }
AzureIoTClient 42:448eecc3676e 996 written_total += 1;
AzureIoTClient 42:448eecc3676e 997 break;
AzureIoTClient 42:448eecc3676e 998 }
AzureIoTClient 42:448eecc3676e 999 }
AzureIoTClient 42:448eecc3676e 1000 APPEND_STRING("\"");
AzureIoTClient 42:448eecc3676e 1001 return written_total;
AzureIoTClient 42:448eecc3676e 1002 }
AzureIoTClient 42:448eecc3676e 1003
AzureIoTClient 42:448eecc3676e 1004 static int append_indent(char *buf, int level) {
AzureIoTClient 42:448eecc3676e 1005 int i;
AzureIoTClient 42:448eecc3676e 1006 int written = -1, written_total = 0;
AzureIoTClient 42:448eecc3676e 1007 for (i = 0; i < level; i++) {
AzureIoTClient 42:448eecc3676e 1008 APPEND_STRING(" ");
AzureIoTClient 42:448eecc3676e 1009 }
AzureIoTClient 42:448eecc3676e 1010 return written_total;
AzureIoTClient 42:448eecc3676e 1011 }
AzureIoTClient 42:448eecc3676e 1012
AzureIoTClient 42:448eecc3676e 1013 static int append_string(char *buf, const char *string) {
AzureIoTClient 42:448eecc3676e 1014 if (buf == NULL) {
AzureIoTClient 42:448eecc3676e 1015 return (int)strlen(string);
AzureIoTClient 42:448eecc3676e 1016 }
AzureIoTClient 42:448eecc3676e 1017 return sprintf(buf, "%s", string);
AzureIoTClient 42:448eecc3676e 1018 }
AzureIoTClient 42:448eecc3676e 1019
AzureIoTClient 42:448eecc3676e 1020 #undef APPEND_STRING
AzureIoTClient 42:448eecc3676e 1021 #undef APPEND_INDENT
AzureIoTClient 42:448eecc3676e 1022
AzureIoTClient 42:448eecc3676e 1023 /* Parser API */
AzureIoTClient 42:448eecc3676e 1024 JSON_Value * json_parse_file(const char *filename) {
AzureIoTClient 42:448eecc3676e 1025 char *file_contents = read_file(filename);
AzureIoTClient 42:448eecc3676e 1026 JSON_Value *output_value = NULL;
AzureIoTClient 50:bbc71457b0ea 1027 if (file_contents == NULL) {
AzureIoTClient 42:448eecc3676e 1028 return NULL;
AzureIoTClient 50:bbc71457b0ea 1029 }
AzureIoTClient 42:448eecc3676e 1030 output_value = json_parse_string(file_contents);
AzureIoTClient 42:448eecc3676e 1031 parson_free(file_contents);
AzureIoTClient 42:448eecc3676e 1032 return output_value;
AzureIoTClient 42:448eecc3676e 1033 }
AzureIoTClient 42:448eecc3676e 1034
AzureIoTClient 42:448eecc3676e 1035 JSON_Value * json_parse_file_with_comments(const char *filename) {
AzureIoTClient 42:448eecc3676e 1036 char *file_contents = read_file(filename);
AzureIoTClient 42:448eecc3676e 1037 JSON_Value *output_value = NULL;
AzureIoTClient 50:bbc71457b0ea 1038 if (file_contents == NULL) {
AzureIoTClient 42:448eecc3676e 1039 return NULL;
AzureIoTClient 50:bbc71457b0ea 1040 }
AzureIoTClient 42:448eecc3676e 1041 output_value = json_parse_string_with_comments(file_contents);
AzureIoTClient 42:448eecc3676e 1042 parson_free(file_contents);
AzureIoTClient 42:448eecc3676e 1043 return output_value;
AzureIoTClient 42:448eecc3676e 1044 }
AzureIoTClient 42:448eecc3676e 1045
AzureIoTClient 42:448eecc3676e 1046 JSON_Value * json_parse_string(const char *string) {
AzureIoTClient 50:bbc71457b0ea 1047 if (string == NULL) {
AzureIoTClient 42:448eecc3676e 1048 return NULL;
AzureIoTClient 50:bbc71457b0ea 1049 }
AzureIoTClient 56:fdda9c1244e4 1050 if (string[0] == '\xEF' && string[1] == '\xBB' && string[2] == '\xBF') {
AzureIoTClient 56:fdda9c1244e4 1051 string = string + 3; /* Support for UTF-8 BOM */
AzureIoTClient 56:fdda9c1244e4 1052 }
AzureIoTClient 42:448eecc3676e 1053 return parse_value((const char**)&string, 0);
AzureIoTClient 42:448eecc3676e 1054 }
AzureIoTClient 42:448eecc3676e 1055
AzureIoTClient 42:448eecc3676e 1056 JSON_Value * json_parse_string_with_comments(const char *string) {
AzureIoTClient 42:448eecc3676e 1057 JSON_Value *result = NULL;
AzureIoTClient 42:448eecc3676e 1058 char *string_mutable_copy = NULL, *string_mutable_copy_ptr = NULL;
AzureIoTClient 42:448eecc3676e 1059 string_mutable_copy = parson_strdup(string);
AzureIoTClient 50:bbc71457b0ea 1060 if (string_mutable_copy == NULL) {
AzureIoTClient 42:448eecc3676e 1061 return NULL;
AzureIoTClient 50:bbc71457b0ea 1062 }
AzureIoTClient 42:448eecc3676e 1063 remove_comments(string_mutable_copy, "/*", "*/");
AzureIoTClient 42:448eecc3676e 1064 remove_comments(string_mutable_copy, "//", "\n");
AzureIoTClient 42:448eecc3676e 1065 string_mutable_copy_ptr = string_mutable_copy;
AzureIoTClient 42:448eecc3676e 1066 result = parse_value((const char**)&string_mutable_copy_ptr, 0);
AzureIoTClient 42:448eecc3676e 1067 parson_free(string_mutable_copy);
AzureIoTClient 42:448eecc3676e 1068 return result;
AzureIoTClient 42:448eecc3676e 1069 }
AzureIoTClient 42:448eecc3676e 1070
AzureIoTClient 42:448eecc3676e 1071 /* JSON Object API */
AzureIoTClient 42:448eecc3676e 1072
AzureIoTClient 42:448eecc3676e 1073 JSON_Value * json_object_get_value(const JSON_Object *object, const char *name) {
AzureIoTClient 50:bbc71457b0ea 1074 if (object == NULL || name == NULL) {
AzureIoTClient 42:448eecc3676e 1075 return NULL;
AzureIoTClient 50:bbc71457b0ea 1076 }
AzureIoTClient 42:448eecc3676e 1077 return json_object_nget_value(object, name, strlen(name));
AzureIoTClient 42:448eecc3676e 1078 }
AzureIoTClient 42:448eecc3676e 1079
AzureIoTClient 42:448eecc3676e 1080 const char * json_object_get_string(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1081 return json_value_get_string(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 1082 }
AzureIoTClient 42:448eecc3676e 1083
AzureIoTClient 42:448eecc3676e 1084 double json_object_get_number(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1085 return json_value_get_number(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 1086 }
AzureIoTClient 42:448eecc3676e 1087
AzureIoTClient 42:448eecc3676e 1088 JSON_Object * json_object_get_object(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1089 return json_value_get_object(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 1090 }
AzureIoTClient 42:448eecc3676e 1091
AzureIoTClient 42:448eecc3676e 1092 JSON_Array * json_object_get_array(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1093 return json_value_get_array(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 1094 }
AzureIoTClient 42:448eecc3676e 1095
AzureIoTClient 42:448eecc3676e 1096 int json_object_get_boolean(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1097 return json_value_get_boolean(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 1098 }
AzureIoTClient 42:448eecc3676e 1099
AzureIoTClient 42:448eecc3676e 1100 JSON_Value * json_object_dotget_value(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1101 const char *dot_position = strchr(name, '.');
AzureIoTClient 50:bbc71457b0ea 1102 if (!dot_position) {
AzureIoTClient 42:448eecc3676e 1103 return json_object_get_value(object, name);
AzureIoTClient 50:bbc71457b0ea 1104 }
AzureIoTClient 42:448eecc3676e 1105 object = json_value_get_object(json_object_nget_value(object, name, dot_position - name));
AzureIoTClient 42:448eecc3676e 1106 return json_object_dotget_value(object, dot_position + 1);
AzureIoTClient 42:448eecc3676e 1107 }
AzureIoTClient 42:448eecc3676e 1108
AzureIoTClient 42:448eecc3676e 1109 const char * json_object_dotget_string(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1110 return json_value_get_string(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 1111 }
AzureIoTClient 42:448eecc3676e 1112
AzureIoTClient 42:448eecc3676e 1113 double json_object_dotget_number(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1114 return json_value_get_number(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 1115 }
AzureIoTClient 42:448eecc3676e 1116
AzureIoTClient 42:448eecc3676e 1117 JSON_Object * json_object_dotget_object(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1118 return json_value_get_object(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 1119 }
AzureIoTClient 42:448eecc3676e 1120
AzureIoTClient 42:448eecc3676e 1121 JSON_Array * json_object_dotget_array(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1122 return json_value_get_array(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 1123 }
AzureIoTClient 42:448eecc3676e 1124
AzureIoTClient 42:448eecc3676e 1125 int json_object_dotget_boolean(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1126 return json_value_get_boolean(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 1127 }
AzureIoTClient 42:448eecc3676e 1128
AzureIoTClient 42:448eecc3676e 1129 size_t json_object_get_count(const JSON_Object *object) {
AzureIoTClient 42:448eecc3676e 1130 return object ? object->count : 0;
AzureIoTClient 42:448eecc3676e 1131 }
AzureIoTClient 42:448eecc3676e 1132
AzureIoTClient 42:448eecc3676e 1133 const char * json_object_get_name(const JSON_Object *object, size_t index) {
AzureIoTClient 50:bbc71457b0ea 1134 if (object == NULL || index >= json_object_get_count(object)) {
AzureIoTClient 42:448eecc3676e 1135 return NULL;
AzureIoTClient 50:bbc71457b0ea 1136 }
AzureIoTClient 42:448eecc3676e 1137 return object->names[index];
AzureIoTClient 42:448eecc3676e 1138 }
AzureIoTClient 42:448eecc3676e 1139
AzureIoTClient 42:448eecc3676e 1140 JSON_Value * json_object_get_value_at(const JSON_Object *object, size_t index) {
AzureIoTClient 50:bbc71457b0ea 1141 if (object == NULL || index >= json_object_get_count(object)) {
AzureIoTClient 42:448eecc3676e 1142 return NULL;
AzureIoTClient 50:bbc71457b0ea 1143 }
AzureIoTClient 42:448eecc3676e 1144 return object->values[index];
AzureIoTClient 42:448eecc3676e 1145 }
AzureIoTClient 42:448eecc3676e 1146
AzureIoTClient 61:8b85a4e797cf 1147 JSON_Value *json_object_get_wrapping_value(const JSON_Object *object) {
AzureIoTClient 61:8b85a4e797cf 1148 return object->wrapping_value;
AzureIoTClient 61:8b85a4e797cf 1149 }
AzureIoTClient 61:8b85a4e797cf 1150
AzureIoTClient 50:bbc71457b0ea 1151 int json_object_has_value (const JSON_Object *object, const char *name) {
AzureIoTClient 50:bbc71457b0ea 1152 return json_object_get_value(object, name) != NULL;
AzureIoTClient 50:bbc71457b0ea 1153 }
AzureIoTClient 50:bbc71457b0ea 1154
AzureIoTClient 50:bbc71457b0ea 1155 int json_object_has_value_of_type(const JSON_Object *object, const char *name, JSON_Value_Type type) {
AzureIoTClient 50:bbc71457b0ea 1156 JSON_Value *val = json_object_get_value(object, name);
AzureIoTClient 50:bbc71457b0ea 1157 return val != NULL && json_value_get_type(val) == type;
AzureIoTClient 50:bbc71457b0ea 1158 }
AzureIoTClient 50:bbc71457b0ea 1159
AzureIoTClient 50:bbc71457b0ea 1160 int json_object_dothas_value (const JSON_Object *object, const char *name) {
AzureIoTClient 50:bbc71457b0ea 1161 return json_object_dotget_value(object, name) != NULL;
AzureIoTClient 50:bbc71457b0ea 1162 }
AzureIoTClient 50:bbc71457b0ea 1163
AzureIoTClient 50:bbc71457b0ea 1164 int json_object_dothas_value_of_type(const JSON_Object *object, const char *name, JSON_Value_Type type) {
AzureIoTClient 50:bbc71457b0ea 1165 JSON_Value *val = json_object_dotget_value(object, name);
AzureIoTClient 50:bbc71457b0ea 1166 return val != NULL && json_value_get_type(val) == type;
AzureIoTClient 50:bbc71457b0ea 1167 }
AzureIoTClient 50:bbc71457b0ea 1168
AzureIoTClient 42:448eecc3676e 1169 /* JSON Array API */
AzureIoTClient 42:448eecc3676e 1170 JSON_Value * json_array_get_value(const JSON_Array *array, size_t index) {
AzureIoTClient 50:bbc71457b0ea 1171 if (array == NULL || index >= json_array_get_count(array)) {
AzureIoTClient 42:448eecc3676e 1172 return NULL;
AzureIoTClient 50:bbc71457b0ea 1173 }
AzureIoTClient 42:448eecc3676e 1174 return array->items[index];
AzureIoTClient 42:448eecc3676e 1175 }
AzureIoTClient 42:448eecc3676e 1176
AzureIoTClient 42:448eecc3676e 1177 const char * json_array_get_string(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1178 return json_value_get_string(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1179 }
AzureIoTClient 42:448eecc3676e 1180
AzureIoTClient 42:448eecc3676e 1181 double json_array_get_number(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1182 return json_value_get_number(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1183 }
AzureIoTClient 42:448eecc3676e 1184
AzureIoTClient 42:448eecc3676e 1185 JSON_Object * json_array_get_object(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1186 return json_value_get_object(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1187 }
AzureIoTClient 42:448eecc3676e 1188
AzureIoTClient 42:448eecc3676e 1189 JSON_Array * json_array_get_array(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1190 return json_value_get_array(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1191 }
AzureIoTClient 42:448eecc3676e 1192
AzureIoTClient 42:448eecc3676e 1193 int json_array_get_boolean(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1194 return json_value_get_boolean(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1195 }
AzureIoTClient 42:448eecc3676e 1196
AzureIoTClient 42:448eecc3676e 1197 size_t json_array_get_count(const JSON_Array *array) {
AzureIoTClient 42:448eecc3676e 1198 return array ? array->count : 0;
AzureIoTClient 42:448eecc3676e 1199 }
AzureIoTClient 42:448eecc3676e 1200
AzureIoTClient 61:8b85a4e797cf 1201 JSON_Value * json_array_get_wrapping_value(const JSON_Array *array) {
AzureIoTClient 61:8b85a4e797cf 1202 return array->wrapping_value;
AzureIoTClient 61:8b85a4e797cf 1203 }
AzureIoTClient 61:8b85a4e797cf 1204
AzureIoTClient 42:448eecc3676e 1205 /* JSON Value API */
AzureIoTClient 42:448eecc3676e 1206 JSON_Value_Type json_value_get_type(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1207 return value ? value->type : JSONError;
AzureIoTClient 42:448eecc3676e 1208 }
AzureIoTClient 42:448eecc3676e 1209
AzureIoTClient 42:448eecc3676e 1210 JSON_Object * json_value_get_object(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1211 return json_value_get_type(value) == JSONObject ? value->value.object : NULL;
AzureIoTClient 42:448eecc3676e 1212 }
AzureIoTClient 42:448eecc3676e 1213
AzureIoTClient 42:448eecc3676e 1214 JSON_Array * json_value_get_array(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1215 return json_value_get_type(value) == JSONArray ? value->value.array : NULL;
AzureIoTClient 42:448eecc3676e 1216 }
AzureIoTClient 42:448eecc3676e 1217
AzureIoTClient 42:448eecc3676e 1218 const char * json_value_get_string(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1219 return json_value_get_type(value) == JSONString ? value->value.string : NULL;
AzureIoTClient 42:448eecc3676e 1220 }
AzureIoTClient 42:448eecc3676e 1221
AzureIoTClient 42:448eecc3676e 1222 double json_value_get_number(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1223 return json_value_get_type(value) == JSONNumber ? value->value.number : 0;
AzureIoTClient 42:448eecc3676e 1224 }
AzureIoTClient 42:448eecc3676e 1225
AzureIoTClient 42:448eecc3676e 1226 int json_value_get_boolean(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1227 return json_value_get_type(value) == JSONBoolean ? value->value.boolean : -1;
AzureIoTClient 42:448eecc3676e 1228 }
AzureIoTClient 42:448eecc3676e 1229
AzureIoTClient 61:8b85a4e797cf 1230 JSON_Value * json_value_get_parent (const JSON_Value *value) {
AzureIoTClient 61:8b85a4e797cf 1231 return value ? value->parent : NULL;
AzureIoTClient 61:8b85a4e797cf 1232 }
AzureIoTClient 61:8b85a4e797cf 1233
AzureIoTClient 42:448eecc3676e 1234 void json_value_free(JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1235 switch (json_value_get_type(value)) {
AzureIoTClient 42:448eecc3676e 1236 case JSONObject:
AzureIoTClient 42:448eecc3676e 1237 json_object_free(value->value.object);
AzureIoTClient 42:448eecc3676e 1238 break;
AzureIoTClient 42:448eecc3676e 1239 case JSONString:
AzureIoTClient 61:8b85a4e797cf 1240 parson_free(value->value.string);
AzureIoTClient 42:448eecc3676e 1241 break;
AzureIoTClient 42:448eecc3676e 1242 case JSONArray:
AzureIoTClient 42:448eecc3676e 1243 json_array_free(value->value.array);
AzureIoTClient 42:448eecc3676e 1244 break;
AzureIoTClient 42:448eecc3676e 1245 default:
AzureIoTClient 42:448eecc3676e 1246 break;
AzureIoTClient 42:448eecc3676e 1247 }
AzureIoTClient 42:448eecc3676e 1248 parson_free(value);
AzureIoTClient 42:448eecc3676e 1249 }
AzureIoTClient 42:448eecc3676e 1250
AzureIoTClient 42:448eecc3676e 1251 JSON_Value * json_value_init_object(void) {
AzureIoTClient 42:448eecc3676e 1252 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 50:bbc71457b0ea 1253 if (!new_value) {
AzureIoTClient 42:448eecc3676e 1254 return NULL;
AzureIoTClient 50:bbc71457b0ea 1255 }
AzureIoTClient 61:8b85a4e797cf 1256 new_value->parent = NULL;
AzureIoTClient 42:448eecc3676e 1257 new_value->type = JSONObject;
AzureIoTClient 61:8b85a4e797cf 1258 new_value->value.object = json_object_init(new_value);
AzureIoTClient 42:448eecc3676e 1259 if (!new_value->value.object) {
AzureIoTClient 42:448eecc3676e 1260 parson_free(new_value);
AzureIoTClient 42:448eecc3676e 1261 return NULL;
AzureIoTClient 42:448eecc3676e 1262 }
AzureIoTClient 42:448eecc3676e 1263 return new_value;
AzureIoTClient 42:448eecc3676e 1264 }
AzureIoTClient 42:448eecc3676e 1265
AzureIoTClient 42:448eecc3676e 1266 JSON_Value * json_value_init_array(void) {
AzureIoTClient 42:448eecc3676e 1267 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 50:bbc71457b0ea 1268 if (!new_value) {
AzureIoTClient 42:448eecc3676e 1269 return NULL;
AzureIoTClient 50:bbc71457b0ea 1270 }
AzureIoTClient 61:8b85a4e797cf 1271 new_value->parent = NULL;
AzureIoTClient 42:448eecc3676e 1272 new_value->type = JSONArray;
AzureIoTClient 61:8b85a4e797cf 1273 new_value->value.array = json_array_init(new_value);
AzureIoTClient 42:448eecc3676e 1274 if (!new_value->value.array) {
AzureIoTClient 42:448eecc3676e 1275 parson_free(new_value);
AzureIoTClient 42:448eecc3676e 1276 return NULL;
AzureIoTClient 42:448eecc3676e 1277 }
AzureIoTClient 42:448eecc3676e 1278 return new_value;
AzureIoTClient 42:448eecc3676e 1279 }
AzureIoTClient 42:448eecc3676e 1280
AzureIoTClient 42:448eecc3676e 1281 JSON_Value * json_value_init_string(const char *string) {
AzureIoTClient 42:448eecc3676e 1282 char *copy = NULL;
AzureIoTClient 42:448eecc3676e 1283 JSON_Value *value;
AzureIoTClient 42:448eecc3676e 1284 size_t string_len = 0;
AzureIoTClient 50:bbc71457b0ea 1285 if (string == NULL) {
AzureIoTClient 42:448eecc3676e 1286 return NULL;
AzureIoTClient 50:bbc71457b0ea 1287 }
AzureIoTClient 42:448eecc3676e 1288 string_len = strlen(string);
AzureIoTClient 50:bbc71457b0ea 1289 if (!is_valid_utf8(string, string_len)) {
AzureIoTClient 42:448eecc3676e 1290 return NULL;
AzureIoTClient 50:bbc71457b0ea 1291 }
AzureIoTClient 42:448eecc3676e 1292 copy = parson_strndup(string, string_len);
AzureIoTClient 50:bbc71457b0ea 1293 if (copy == NULL) {
AzureIoTClient 42:448eecc3676e 1294 return NULL;
AzureIoTClient 50:bbc71457b0ea 1295 }
AzureIoTClient 42:448eecc3676e 1296 value = json_value_init_string_no_copy(copy);
AzureIoTClient 50:bbc71457b0ea 1297 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1298 parson_free(copy);
AzureIoTClient 50:bbc71457b0ea 1299 }
AzureIoTClient 42:448eecc3676e 1300 return value;
AzureIoTClient 42:448eecc3676e 1301 }
AzureIoTClient 42:448eecc3676e 1302
AzureIoTClient 42:448eecc3676e 1303 JSON_Value * json_value_init_number(double number) {
AzureIoTClient 80:db5f5237bc95 1304 JSON_Value *new_value = NULL;
AzureIoTClient 80:db5f5237bc95 1305 if ((number * 0.0) != 0.0) { /* nan and inf test */
AzureIoTClient 80:db5f5237bc95 1306 return NULL;
AzureIoTClient 80:db5f5237bc95 1307 }
AzureIoTClient 80:db5f5237bc95 1308 new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 80:db5f5237bc95 1309 if (new_value == NULL) {
AzureIoTClient 42:448eecc3676e 1310 return NULL;
AzureIoTClient 50:bbc71457b0ea 1311 }
AzureIoTClient 61:8b85a4e797cf 1312 new_value->parent = NULL;
AzureIoTClient 42:448eecc3676e 1313 new_value->type = JSONNumber;
AzureIoTClient 42:448eecc3676e 1314 new_value->value.number = number;
AzureIoTClient 42:448eecc3676e 1315 return new_value;
AzureIoTClient 42:448eecc3676e 1316 }
AzureIoTClient 42:448eecc3676e 1317
AzureIoTClient 42:448eecc3676e 1318 JSON_Value * json_value_init_boolean(int boolean) {
AzureIoTClient 42:448eecc3676e 1319 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 50:bbc71457b0ea 1320 if (!new_value) {
AzureIoTClient 42:448eecc3676e 1321 return NULL;
AzureIoTClient 50:bbc71457b0ea 1322 }
AzureIoTClient 61:8b85a4e797cf 1323 new_value->parent = NULL;
AzureIoTClient 42:448eecc3676e 1324 new_value->type = JSONBoolean;
AzureIoTClient 42:448eecc3676e 1325 new_value->value.boolean = boolean ? 1 : 0;
AzureIoTClient 42:448eecc3676e 1326 return new_value;
AzureIoTClient 42:448eecc3676e 1327 }
AzureIoTClient 42:448eecc3676e 1328
AzureIoTClient 42:448eecc3676e 1329 JSON_Value * json_value_init_null(void) {
AzureIoTClient 42:448eecc3676e 1330 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 50:bbc71457b0ea 1331 if (!new_value) {
AzureIoTClient 42:448eecc3676e 1332 return NULL;
AzureIoTClient 50:bbc71457b0ea 1333 }
AzureIoTClient 61:8b85a4e797cf 1334 new_value->parent = NULL;
AzureIoTClient 42:448eecc3676e 1335 new_value->type = JSONNull;
AzureIoTClient 42:448eecc3676e 1336 return new_value;
AzureIoTClient 42:448eecc3676e 1337 }
AzureIoTClient 42:448eecc3676e 1338
AzureIoTClient 42:448eecc3676e 1339 JSON_Value * json_value_deep_copy(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1340 size_t i = 0;
AzureIoTClient 42:448eecc3676e 1341 JSON_Value *return_value = NULL, *temp_value_copy = NULL, *temp_value = NULL;
AzureIoTClient 42:448eecc3676e 1342 const char *temp_string = NULL, *temp_key = NULL;
AzureIoTClient 42:448eecc3676e 1343 char *temp_string_copy = NULL;
AzureIoTClient 42:448eecc3676e 1344 JSON_Array *temp_array = NULL, *temp_array_copy = NULL;
AzureIoTClient 42:448eecc3676e 1345 JSON_Object *temp_object = NULL, *temp_object_copy = NULL;
AzureIoTClient 42:448eecc3676e 1346
AzureIoTClient 42:448eecc3676e 1347 switch (json_value_get_type(value)) {
AzureIoTClient 42:448eecc3676e 1348 case JSONArray:
AzureIoTClient 42:448eecc3676e 1349 temp_array = json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 1350 return_value = json_value_init_array();
AzureIoTClient 50:bbc71457b0ea 1351 if (return_value == NULL) {
AzureIoTClient 42:448eecc3676e 1352 return NULL;
AzureIoTClient 50:bbc71457b0ea 1353 }
AzureIoTClient 42:448eecc3676e 1354 temp_array_copy = json_value_get_array(return_value);
AzureIoTClient 42:448eecc3676e 1355 for (i = 0; i < json_array_get_count(temp_array); i++) {
AzureIoTClient 42:448eecc3676e 1356 temp_value = json_array_get_value(temp_array, i);
AzureIoTClient 42:448eecc3676e 1357 temp_value_copy = json_value_deep_copy(temp_value);
AzureIoTClient 42:448eecc3676e 1358 if (temp_value_copy == NULL) {
AzureIoTClient 42:448eecc3676e 1359 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1360 return NULL;
AzureIoTClient 42:448eecc3676e 1361 }
AzureIoTClient 42:448eecc3676e 1362 if (json_array_add(temp_array_copy, temp_value_copy) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1363 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1364 json_value_free(temp_value_copy);
AzureIoTClient 42:448eecc3676e 1365 return NULL;
AzureIoTClient 42:448eecc3676e 1366 }
AzureIoTClient 42:448eecc3676e 1367 }
AzureIoTClient 42:448eecc3676e 1368 return return_value;
AzureIoTClient 42:448eecc3676e 1369 case JSONObject:
AzureIoTClient 42:448eecc3676e 1370 temp_object = json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 1371 return_value = json_value_init_object();
AzureIoTClient 50:bbc71457b0ea 1372 if (return_value == NULL) {
AzureIoTClient 42:448eecc3676e 1373 return NULL;
AzureIoTClient 50:bbc71457b0ea 1374 }
AzureIoTClient 42:448eecc3676e 1375 temp_object_copy = json_value_get_object(return_value);
AzureIoTClient 42:448eecc3676e 1376 for (i = 0; i < json_object_get_count(temp_object); i++) {
AzureIoTClient 42:448eecc3676e 1377 temp_key = json_object_get_name(temp_object, i);
AzureIoTClient 42:448eecc3676e 1378 temp_value = json_object_get_value(temp_object, temp_key);
AzureIoTClient 42:448eecc3676e 1379 temp_value_copy = json_value_deep_copy(temp_value);
AzureIoTClient 42:448eecc3676e 1380 if (temp_value_copy == NULL) {
AzureIoTClient 42:448eecc3676e 1381 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1382 return NULL;
AzureIoTClient 42:448eecc3676e 1383 }
AzureIoTClient 42:448eecc3676e 1384 if (json_object_add(temp_object_copy, temp_key, temp_value_copy) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1385 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1386 json_value_free(temp_value_copy);
AzureIoTClient 42:448eecc3676e 1387 return NULL;
AzureIoTClient 42:448eecc3676e 1388 }
AzureIoTClient 42:448eecc3676e 1389 }
AzureIoTClient 42:448eecc3676e 1390 return return_value;
AzureIoTClient 42:448eecc3676e 1391 case JSONBoolean:
AzureIoTClient 42:448eecc3676e 1392 return json_value_init_boolean(json_value_get_boolean(value));
AzureIoTClient 42:448eecc3676e 1393 case JSONNumber:
AzureIoTClient 42:448eecc3676e 1394 return json_value_init_number(json_value_get_number(value));
AzureIoTClient 42:448eecc3676e 1395 case JSONString:
AzureIoTClient 42:448eecc3676e 1396 temp_string = json_value_get_string(value);
AzureIoTClient 61:8b85a4e797cf 1397 if (temp_string == NULL) {
AzureIoTClient 61:8b85a4e797cf 1398 return NULL;
AzureIoTClient 61:8b85a4e797cf 1399 }
AzureIoTClient 42:448eecc3676e 1400 temp_string_copy = parson_strdup(temp_string);
AzureIoTClient 50:bbc71457b0ea 1401 if (temp_string_copy == NULL) {
AzureIoTClient 42:448eecc3676e 1402 return NULL;
AzureIoTClient 50:bbc71457b0ea 1403 }
AzureIoTClient 42:448eecc3676e 1404 return_value = json_value_init_string_no_copy(temp_string_copy);
AzureIoTClient 50:bbc71457b0ea 1405 if (return_value == NULL) {
AzureIoTClient 42:448eecc3676e 1406 parson_free(temp_string_copy);
AzureIoTClient 50:bbc71457b0ea 1407 }
AzureIoTClient 42:448eecc3676e 1408 return return_value;
AzureIoTClient 42:448eecc3676e 1409 case JSONNull:
AzureIoTClient 42:448eecc3676e 1410 return json_value_init_null();
AzureIoTClient 42:448eecc3676e 1411 case JSONError:
AzureIoTClient 42:448eecc3676e 1412 return NULL;
AzureIoTClient 42:448eecc3676e 1413 default:
AzureIoTClient 42:448eecc3676e 1414 return NULL;
AzureIoTClient 42:448eecc3676e 1415 }
AzureIoTClient 42:448eecc3676e 1416 }
AzureIoTClient 42:448eecc3676e 1417
AzureIoTClient 42:448eecc3676e 1418 size_t json_serialization_size(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1419 char num_buf[1100]; /* recursively allocating buffer on stack is a bad idea, so let's do it only once */
AzureIoTClient 42:448eecc3676e 1420 int res = json_serialize_to_buffer_r(value, NULL, 0, 0, num_buf);
AzureIoTClient 42:448eecc3676e 1421 return res < 0 ? 0 : (size_t)(res + 1);
AzureIoTClient 42:448eecc3676e 1422 }
AzureIoTClient 42:448eecc3676e 1423
AzureIoTClient 42:448eecc3676e 1424 JSON_Status json_serialize_to_buffer(const JSON_Value *value, char *buf, size_t buf_size_in_bytes) {
AzureIoTClient 42:448eecc3676e 1425 int written = -1;
AzureIoTClient 42:448eecc3676e 1426 size_t needed_size_in_bytes = json_serialization_size(value);
AzureIoTClient 42:448eecc3676e 1427 if (needed_size_in_bytes == 0 || buf_size_in_bytes < needed_size_in_bytes) {
AzureIoTClient 42:448eecc3676e 1428 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1429 }
AzureIoTClient 42:448eecc3676e 1430 written = json_serialize_to_buffer_r(value, buf, 0, 0, NULL);
AzureIoTClient 50:bbc71457b0ea 1431 if (written < 0) {
AzureIoTClient 42:448eecc3676e 1432 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1433 }
AzureIoTClient 42:448eecc3676e 1434 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1435 }
AzureIoTClient 42:448eecc3676e 1436
AzureIoTClient 42:448eecc3676e 1437 JSON_Status json_serialize_to_file(const JSON_Value *value, const char *filename) {
AzureIoTClient 42:448eecc3676e 1438 JSON_Status return_code = JSONSuccess;
AzureIoTClient 42:448eecc3676e 1439 FILE *fp = NULL;
AzureIoTClient 42:448eecc3676e 1440 char *serialized_string = json_serialize_to_string(value);
AzureIoTClient 42:448eecc3676e 1441 if (serialized_string == NULL) {
AzureIoTClient 42:448eecc3676e 1442 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1443 }
AzureIoTClient 42:448eecc3676e 1444 fp = fopen (filename, "w");
AzureIoTClient 42:448eecc3676e 1445 if (fp == NULL) {
AzureIoTClient 42:448eecc3676e 1446 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1447 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1448 }
AzureIoTClient 42:448eecc3676e 1449 if (fputs(serialized_string, fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1450 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1451 }
AzureIoTClient 42:448eecc3676e 1452 if (fclose(fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1453 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1454 }
AzureIoTClient 42:448eecc3676e 1455 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1456 return return_code;
AzureIoTClient 42:448eecc3676e 1457 }
AzureIoTClient 42:448eecc3676e 1458
AzureIoTClient 42:448eecc3676e 1459 char * json_serialize_to_string(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1460 JSON_Status serialization_result = JSONFailure;
AzureIoTClient 42:448eecc3676e 1461 size_t buf_size_bytes = json_serialization_size(value);
AzureIoTClient 42:448eecc3676e 1462 char *buf = NULL;
AzureIoTClient 42:448eecc3676e 1463 if (buf_size_bytes == 0) {
AzureIoTClient 42:448eecc3676e 1464 return NULL;
AzureIoTClient 42:448eecc3676e 1465 }
AzureIoTClient 42:448eecc3676e 1466 buf = (char*)parson_malloc(buf_size_bytes);
AzureIoTClient 50:bbc71457b0ea 1467 if (buf == NULL) {
AzureIoTClient 42:448eecc3676e 1468 return NULL;
AzureIoTClient 50:bbc71457b0ea 1469 }
AzureIoTClient 42:448eecc3676e 1470 serialization_result = json_serialize_to_buffer(value, buf, buf_size_bytes);
AzureIoTClient 42:448eecc3676e 1471 if (serialization_result == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1472 json_free_serialized_string(buf);
AzureIoTClient 42:448eecc3676e 1473 return NULL;
AzureIoTClient 42:448eecc3676e 1474 }
AzureIoTClient 42:448eecc3676e 1475 return buf;
AzureIoTClient 42:448eecc3676e 1476 }
AzureIoTClient 42:448eecc3676e 1477
AzureIoTClient 42:448eecc3676e 1478 size_t json_serialization_size_pretty(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1479 char num_buf[1100]; /* recursively allocating buffer on stack is a bad idea, so let's do it only once */
AzureIoTClient 42:448eecc3676e 1480 int res = json_serialize_to_buffer_r(value, NULL, 0, 1, num_buf);
AzureIoTClient 42:448eecc3676e 1481 return res < 0 ? 0 : (size_t)(res + 1);
AzureIoTClient 42:448eecc3676e 1482 }
AzureIoTClient 42:448eecc3676e 1483
AzureIoTClient 42:448eecc3676e 1484 JSON_Status json_serialize_to_buffer_pretty(const JSON_Value *value, char *buf, size_t buf_size_in_bytes) {
AzureIoTClient 42:448eecc3676e 1485 int written = -1;
AzureIoTClient 42:448eecc3676e 1486 size_t needed_size_in_bytes = json_serialization_size_pretty(value);
AzureIoTClient 50:bbc71457b0ea 1487 if (needed_size_in_bytes == 0 || buf_size_in_bytes < needed_size_in_bytes) {
AzureIoTClient 42:448eecc3676e 1488 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1489 }
AzureIoTClient 42:448eecc3676e 1490 written = json_serialize_to_buffer_r(value, buf, 0, 1, NULL);
AzureIoTClient 50:bbc71457b0ea 1491 if (written < 0) {
AzureIoTClient 42:448eecc3676e 1492 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1493 }
AzureIoTClient 42:448eecc3676e 1494 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1495 }
AzureIoTClient 42:448eecc3676e 1496
AzureIoTClient 42:448eecc3676e 1497 JSON_Status json_serialize_to_file_pretty(const JSON_Value *value, const char *filename) {
AzureIoTClient 42:448eecc3676e 1498 JSON_Status return_code = JSONSuccess;
AzureIoTClient 42:448eecc3676e 1499 FILE *fp = NULL;
AzureIoTClient 42:448eecc3676e 1500 char *serialized_string = json_serialize_to_string_pretty(value);
AzureIoTClient 42:448eecc3676e 1501 if (serialized_string == NULL) {
AzureIoTClient 42:448eecc3676e 1502 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1503 }
AzureIoTClient 42:448eecc3676e 1504 fp = fopen (filename, "w");
AzureIoTClient 42:448eecc3676e 1505 if (fp == NULL) {
AzureIoTClient 42:448eecc3676e 1506 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1507 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1508 }
AzureIoTClient 42:448eecc3676e 1509 if (fputs(serialized_string, fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1510 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1511 }
AzureIoTClient 42:448eecc3676e 1512 if (fclose(fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1513 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1514 }
AzureIoTClient 42:448eecc3676e 1515 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1516 return return_code;
AzureIoTClient 42:448eecc3676e 1517 }
AzureIoTClient 42:448eecc3676e 1518
AzureIoTClient 42:448eecc3676e 1519 char * json_serialize_to_string_pretty(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1520 JSON_Status serialization_result = JSONFailure;
AzureIoTClient 42:448eecc3676e 1521 size_t buf_size_bytes = json_serialization_size_pretty(value);
AzureIoTClient 42:448eecc3676e 1522 char *buf = NULL;
AzureIoTClient 42:448eecc3676e 1523 if (buf_size_bytes == 0) {
AzureIoTClient 42:448eecc3676e 1524 return NULL;
AzureIoTClient 42:448eecc3676e 1525 }
AzureIoTClient 42:448eecc3676e 1526 buf = (char*)parson_malloc(buf_size_bytes);
AzureIoTClient 50:bbc71457b0ea 1527 if (buf == NULL) {
AzureIoTClient 42:448eecc3676e 1528 return NULL;
AzureIoTClient 50:bbc71457b0ea 1529 }
AzureIoTClient 42:448eecc3676e 1530 serialization_result = json_serialize_to_buffer_pretty(value, buf, buf_size_bytes);
AzureIoTClient 42:448eecc3676e 1531 if (serialization_result == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1532 json_free_serialized_string(buf);
AzureIoTClient 42:448eecc3676e 1533 return NULL;
AzureIoTClient 42:448eecc3676e 1534 }
AzureIoTClient 42:448eecc3676e 1535 return buf;
AzureIoTClient 42:448eecc3676e 1536 }
AzureIoTClient 42:448eecc3676e 1537
AzureIoTClient 42:448eecc3676e 1538 void json_free_serialized_string(char *string) {
AzureIoTClient 42:448eecc3676e 1539 parson_free(string);
AzureIoTClient 42:448eecc3676e 1540 }
AzureIoTClient 42:448eecc3676e 1541
AzureIoTClient 42:448eecc3676e 1542 JSON_Status json_array_remove(JSON_Array *array, size_t ix) {
AzureIoTClient 75:86205ca63a59 1543 size_t to_move_bytes = 0;
AzureIoTClient 42:448eecc3676e 1544 if (array == NULL || ix >= json_array_get_count(array)) {
AzureIoTClient 42:448eecc3676e 1545 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1546 }
AzureIoTClient 42:448eecc3676e 1547 json_value_free(json_array_get_value(array, ix));
AzureIoTClient 80:db5f5237bc95 1548 to_move_bytes = (json_array_get_count(array) - 1 - ix) * sizeof(JSON_Value*);
AzureIoTClient 75:86205ca63a59 1549 memmove(array->items + ix, array->items + ix + 1, to_move_bytes);
AzureIoTClient 42:448eecc3676e 1550 array->count -= 1;
AzureIoTClient 42:448eecc3676e 1551 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1552 }
AzureIoTClient 42:448eecc3676e 1553
AzureIoTClient 42:448eecc3676e 1554 JSON_Status json_array_replace_value(JSON_Array *array, size_t ix, JSON_Value *value) {
AzureIoTClient 61:8b85a4e797cf 1555 if (array == NULL || value == NULL || value->parent != NULL || ix >= json_array_get_count(array)) {
AzureIoTClient 42:448eecc3676e 1556 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1557 }
AzureIoTClient 42:448eecc3676e 1558 json_value_free(json_array_get_value(array, ix));
AzureIoTClient 61:8b85a4e797cf 1559 value->parent = json_array_get_wrapping_value(array);
AzureIoTClient 42:448eecc3676e 1560 array->items[ix] = value;
AzureIoTClient 42:448eecc3676e 1561 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1562 }
AzureIoTClient 42:448eecc3676e 1563
AzureIoTClient 42:448eecc3676e 1564 JSON_Status json_array_replace_string(JSON_Array *array, size_t i, const char* string) {
AzureIoTClient 42:448eecc3676e 1565 JSON_Value *value = json_value_init_string(string);
AzureIoTClient 50:bbc71457b0ea 1566 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1567 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1568 }
AzureIoTClient 42:448eecc3676e 1569 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1570 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1571 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1572 }
AzureIoTClient 42:448eecc3676e 1573 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1574 }
AzureIoTClient 42:448eecc3676e 1575
AzureIoTClient 42:448eecc3676e 1576 JSON_Status json_array_replace_number(JSON_Array *array, size_t i, double number) {
AzureIoTClient 42:448eecc3676e 1577 JSON_Value *value = json_value_init_number(number);
AzureIoTClient 50:bbc71457b0ea 1578 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1579 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1580 }
AzureIoTClient 42:448eecc3676e 1581 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1582 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1583 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1584 }
AzureIoTClient 42:448eecc3676e 1585 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1586 }
AzureIoTClient 42:448eecc3676e 1587
AzureIoTClient 42:448eecc3676e 1588 JSON_Status json_array_replace_boolean(JSON_Array *array, size_t i, int boolean) {
AzureIoTClient 42:448eecc3676e 1589 JSON_Value *value = json_value_init_boolean(boolean);
AzureIoTClient 50:bbc71457b0ea 1590 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1591 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1592 }
AzureIoTClient 42:448eecc3676e 1593 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1594 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1595 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1596 }
AzureIoTClient 42:448eecc3676e 1597 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1598 }
AzureIoTClient 42:448eecc3676e 1599
AzureIoTClient 42:448eecc3676e 1600 JSON_Status json_array_replace_null(JSON_Array *array, size_t i) {
AzureIoTClient 42:448eecc3676e 1601 JSON_Value *value = json_value_init_null();
AzureIoTClient 50:bbc71457b0ea 1602 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1603 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1604 }
AzureIoTClient 42:448eecc3676e 1605 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1606 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1607 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1608 }
AzureIoTClient 42:448eecc3676e 1609 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1610 }
AzureIoTClient 42:448eecc3676e 1611
AzureIoTClient 42:448eecc3676e 1612 JSON_Status json_array_clear(JSON_Array *array) {
AzureIoTClient 42:448eecc3676e 1613 size_t i = 0;
AzureIoTClient 50:bbc71457b0ea 1614 if (array == NULL) {
AzureIoTClient 42:448eecc3676e 1615 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1616 }
AzureIoTClient 42:448eecc3676e 1617 for (i = 0; i < json_array_get_count(array); i++) {
AzureIoTClient 42:448eecc3676e 1618 json_value_free(json_array_get_value(array, i));
AzureIoTClient 42:448eecc3676e 1619 }
AzureIoTClient 42:448eecc3676e 1620 array->count = 0;
AzureIoTClient 42:448eecc3676e 1621 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1622 }
AzureIoTClient 42:448eecc3676e 1623
AzureIoTClient 42:448eecc3676e 1624 JSON_Status json_array_append_value(JSON_Array *array, JSON_Value *value) {
AzureIoTClient 61:8b85a4e797cf 1625 if (array == NULL || value == NULL || value->parent != NULL) {
AzureIoTClient 42:448eecc3676e 1626 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1627 }
AzureIoTClient 42:448eecc3676e 1628 return json_array_add(array, value);
AzureIoTClient 42:448eecc3676e 1629 }
AzureIoTClient 42:448eecc3676e 1630
AzureIoTClient 42:448eecc3676e 1631 JSON_Status json_array_append_string(JSON_Array *array, const char *string) {
AzureIoTClient 42:448eecc3676e 1632 JSON_Value *value = json_value_init_string(string);
AzureIoTClient 50:bbc71457b0ea 1633 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1634 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1635 }
AzureIoTClient 42:448eecc3676e 1636 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1637 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1638 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1639 }
AzureIoTClient 42:448eecc3676e 1640 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1641 }
AzureIoTClient 42:448eecc3676e 1642
AzureIoTClient 42:448eecc3676e 1643 JSON_Status json_array_append_number(JSON_Array *array, double number) {
AzureIoTClient 42:448eecc3676e 1644 JSON_Value *value = json_value_init_number(number);
AzureIoTClient 50:bbc71457b0ea 1645 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1646 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1647 }
AzureIoTClient 42:448eecc3676e 1648 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1649 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1650 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1651 }
AzureIoTClient 42:448eecc3676e 1652 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1653 }
AzureIoTClient 42:448eecc3676e 1654
AzureIoTClient 42:448eecc3676e 1655 JSON_Status json_array_append_boolean(JSON_Array *array, int boolean) {
AzureIoTClient 42:448eecc3676e 1656 JSON_Value *value = json_value_init_boolean(boolean);
AzureIoTClient 50:bbc71457b0ea 1657 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1658 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1659 }
AzureIoTClient 42:448eecc3676e 1660 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1661 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1662 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1663 }
AzureIoTClient 42:448eecc3676e 1664 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1665 }
AzureIoTClient 42:448eecc3676e 1666
AzureIoTClient 42:448eecc3676e 1667 JSON_Status json_array_append_null(JSON_Array *array) {
AzureIoTClient 42:448eecc3676e 1668 JSON_Value *value = json_value_init_null();
AzureIoTClient 50:bbc71457b0ea 1669 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1670 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1671 }
AzureIoTClient 42:448eecc3676e 1672 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1673 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1674 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1675 }
AzureIoTClient 42:448eecc3676e 1676 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1677 }
AzureIoTClient 42:448eecc3676e 1678
AzureIoTClient 42:448eecc3676e 1679 JSON_Status json_object_set_value(JSON_Object *object, const char *name, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1680 size_t i = 0;
AzureIoTClient 42:448eecc3676e 1681 JSON_Value *old_value;
AzureIoTClient 61:8b85a4e797cf 1682 if (object == NULL || name == NULL || value == NULL || value->parent != NULL) {
AzureIoTClient 42:448eecc3676e 1683 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1684 }
AzureIoTClient 42:448eecc3676e 1685 old_value = json_object_get_value(object, name);
AzureIoTClient 42:448eecc3676e 1686 if (old_value != NULL) { /* free and overwrite old value */
AzureIoTClient 42:448eecc3676e 1687 json_value_free(old_value);
AzureIoTClient 42:448eecc3676e 1688 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 1689 if (strcmp(object->names[i], name) == 0) {
AzureIoTClient 61:8b85a4e797cf 1690 value->parent = json_object_get_wrapping_value(object);
AzureIoTClient 42:448eecc3676e 1691 object->values[i] = value;
AzureIoTClient 42:448eecc3676e 1692 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1693 }
AzureIoTClient 42:448eecc3676e 1694 }
AzureIoTClient 42:448eecc3676e 1695 }
AzureIoTClient 42:448eecc3676e 1696 /* add new key value pair */
AzureIoTClient 42:448eecc3676e 1697 return json_object_add(object, name, value);
AzureIoTClient 42:448eecc3676e 1698 }
AzureIoTClient 42:448eecc3676e 1699
AzureIoTClient 42:448eecc3676e 1700 JSON_Status json_object_set_string(JSON_Object *object, const char *name, const char *string) {
AzureIoTClient 42:448eecc3676e 1701 return json_object_set_value(object, name, json_value_init_string(string));
AzureIoTClient 42:448eecc3676e 1702 }
AzureIoTClient 42:448eecc3676e 1703
AzureIoTClient 42:448eecc3676e 1704 JSON_Status json_object_set_number(JSON_Object *object, const char *name, double number) {
AzureIoTClient 42:448eecc3676e 1705 return json_object_set_value(object, name, json_value_init_number(number));
AzureIoTClient 42:448eecc3676e 1706 }
AzureIoTClient 42:448eecc3676e 1707
AzureIoTClient 42:448eecc3676e 1708 JSON_Status json_object_set_boolean(JSON_Object *object, const char *name, int boolean) {
AzureIoTClient 42:448eecc3676e 1709 return json_object_set_value(object, name, json_value_init_boolean(boolean));
AzureIoTClient 42:448eecc3676e 1710 }
AzureIoTClient 42:448eecc3676e 1711
AzureIoTClient 42:448eecc3676e 1712 JSON_Status json_object_set_null(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1713 return json_object_set_value(object, name, json_value_init_null());
AzureIoTClient 42:448eecc3676e 1714 }
AzureIoTClient 42:448eecc3676e 1715
AzureIoTClient 42:448eecc3676e 1716 JSON_Status json_object_dotset_value(JSON_Object *object, const char *name, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1717 const char *dot_pos = NULL;
AzureIoTClient 42:448eecc3676e 1718 char *current_name = NULL;
AzureIoTClient 42:448eecc3676e 1719 JSON_Object *temp_obj = NULL;
AzureIoTClient 42:448eecc3676e 1720 JSON_Value *new_value = NULL;
AzureIoTClient 80:db5f5237bc95 1721 if (object == NULL || name == NULL || value == NULL) {
AzureIoTClient 42:448eecc3676e 1722 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1723 }
AzureIoTClient 42:448eecc3676e 1724 dot_pos = strchr(name, '.');
AzureIoTClient 42:448eecc3676e 1725 if (dot_pos == NULL) {
AzureIoTClient 42:448eecc3676e 1726 return json_object_set_value(object, name, value);
AzureIoTClient 42:448eecc3676e 1727 } else {
AzureIoTClient 42:448eecc3676e 1728 current_name = parson_strndup(name, dot_pos - name);
AzureIoTClient 42:448eecc3676e 1729 temp_obj = json_object_get_object(object, current_name);
AzureIoTClient 42:448eecc3676e 1730 if (temp_obj == NULL) {
AzureIoTClient 42:448eecc3676e 1731 new_value = json_value_init_object();
AzureIoTClient 42:448eecc3676e 1732 if (new_value == NULL) {
AzureIoTClient 42:448eecc3676e 1733 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1734 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1735 }
AzureIoTClient 42:448eecc3676e 1736 if (json_object_add(object, current_name, new_value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1737 json_value_free(new_value);
AzureIoTClient 42:448eecc3676e 1738 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1739 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1740 }
AzureIoTClient 42:448eecc3676e 1741 temp_obj = json_object_get_object(object, current_name);
AzureIoTClient 42:448eecc3676e 1742 }
AzureIoTClient 42:448eecc3676e 1743 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1744 return json_object_dotset_value(temp_obj, dot_pos + 1, value);
AzureIoTClient 42:448eecc3676e 1745 }
AzureIoTClient 42:448eecc3676e 1746 }
AzureIoTClient 42:448eecc3676e 1747
AzureIoTClient 42:448eecc3676e 1748 JSON_Status json_object_dotset_string(JSON_Object *object, const char *name, const char *string) {
AzureIoTClient 42:448eecc3676e 1749 JSON_Value *value = json_value_init_string(string);
AzureIoTClient 50:bbc71457b0ea 1750 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1751 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1752 }
AzureIoTClient 42:448eecc3676e 1753 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1754 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1755 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1756 }
AzureIoTClient 42:448eecc3676e 1757 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1758 }
AzureIoTClient 42:448eecc3676e 1759
AzureIoTClient 42:448eecc3676e 1760 JSON_Status json_object_dotset_number(JSON_Object *object, const char *name, double number) {
AzureIoTClient 42:448eecc3676e 1761 JSON_Value *value = json_value_init_number(number);
AzureIoTClient 50:bbc71457b0ea 1762 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1763 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1764 }
AzureIoTClient 42:448eecc3676e 1765 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1766 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1767 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1768 }
AzureIoTClient 42:448eecc3676e 1769 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1770 }
AzureIoTClient 42:448eecc3676e 1771
AzureIoTClient 42:448eecc3676e 1772 JSON_Status json_object_dotset_boolean(JSON_Object *object, const char *name, int boolean) {
AzureIoTClient 42:448eecc3676e 1773 JSON_Value *value = json_value_init_boolean(boolean);
AzureIoTClient 50:bbc71457b0ea 1774 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1775 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1776 }
AzureIoTClient 42:448eecc3676e 1777 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1778 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1779 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1780 }
AzureIoTClient 42:448eecc3676e 1781 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1782 }
AzureIoTClient 42:448eecc3676e 1783
AzureIoTClient 42:448eecc3676e 1784 JSON_Status json_object_dotset_null(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1785 JSON_Value *value = json_value_init_null();
AzureIoTClient 50:bbc71457b0ea 1786 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 1787 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1788 }
AzureIoTClient 42:448eecc3676e 1789 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1790 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1791 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1792 }
AzureIoTClient 42:448eecc3676e 1793 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1794 }
AzureIoTClient 42:448eecc3676e 1795
AzureIoTClient 42:448eecc3676e 1796 JSON_Status json_object_remove(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1797 size_t i = 0, last_item_index = 0;
AzureIoTClient 50:bbc71457b0ea 1798 if (object == NULL || json_object_get_value(object, name) == NULL) {
AzureIoTClient 42:448eecc3676e 1799 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1800 }
AzureIoTClient 42:448eecc3676e 1801 last_item_index = json_object_get_count(object) - 1;
AzureIoTClient 42:448eecc3676e 1802 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 1803 if (strcmp(object->names[i], name) == 0) {
AzureIoTClient 42:448eecc3676e 1804 parson_free(object->names[i]);
AzureIoTClient 42:448eecc3676e 1805 json_value_free(object->values[i]);
AzureIoTClient 42:448eecc3676e 1806 if (i != last_item_index) { /* Replace key value pair with one from the end */
AzureIoTClient 42:448eecc3676e 1807 object->names[i] = object->names[last_item_index];
AzureIoTClient 42:448eecc3676e 1808 object->values[i] = object->values[last_item_index];
AzureIoTClient 42:448eecc3676e 1809 }
AzureIoTClient 42:448eecc3676e 1810 object->count -= 1;
AzureIoTClient 42:448eecc3676e 1811 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1812 }
AzureIoTClient 42:448eecc3676e 1813 }
AzureIoTClient 42:448eecc3676e 1814 return JSONFailure; /* No execution path should end here */
AzureIoTClient 42:448eecc3676e 1815 }
AzureIoTClient 42:448eecc3676e 1816
AzureIoTClient 42:448eecc3676e 1817 JSON_Status json_object_dotremove(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1818 const char *dot_pos = strchr(name, '.');
AzureIoTClient 42:448eecc3676e 1819 char *current_name = NULL;
AzureIoTClient 42:448eecc3676e 1820 JSON_Object *temp_obj = NULL;
AzureIoTClient 42:448eecc3676e 1821 if (dot_pos == NULL) {
AzureIoTClient 42:448eecc3676e 1822 return json_object_remove(object, name);
AzureIoTClient 42:448eecc3676e 1823 } else {
AzureIoTClient 42:448eecc3676e 1824 current_name = parson_strndup(name, dot_pos - name);
AzureIoTClient 42:448eecc3676e 1825 temp_obj = json_object_get_object(object, current_name);
AzureIoTClient 75:86205ca63a59 1826 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1827 if (temp_obj == NULL) {
AzureIoTClient 42:448eecc3676e 1828 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1829 }
AzureIoTClient 42:448eecc3676e 1830 return json_object_dotremove(temp_obj, dot_pos + 1);
AzureIoTClient 42:448eecc3676e 1831 }
AzureIoTClient 42:448eecc3676e 1832 }
AzureIoTClient 42:448eecc3676e 1833
AzureIoTClient 42:448eecc3676e 1834 JSON_Status json_object_clear(JSON_Object *object) {
AzureIoTClient 42:448eecc3676e 1835 size_t i = 0;
AzureIoTClient 42:448eecc3676e 1836 if (object == NULL) {
AzureIoTClient 42:448eecc3676e 1837 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1838 }
AzureIoTClient 42:448eecc3676e 1839 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 1840 parson_free(object->names[i]);
AzureIoTClient 42:448eecc3676e 1841 json_value_free(object->values[i]);
AzureIoTClient 42:448eecc3676e 1842 }
AzureIoTClient 42:448eecc3676e 1843 object->count = 0;
AzureIoTClient 42:448eecc3676e 1844 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1845 }
AzureIoTClient 42:448eecc3676e 1846
AzureIoTClient 42:448eecc3676e 1847 JSON_Status json_validate(const JSON_Value *schema, const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1848 JSON_Value *temp_schema_value = NULL, *temp_value = NULL;
AzureIoTClient 42:448eecc3676e 1849 JSON_Array *schema_array = NULL, *value_array = NULL;
AzureIoTClient 42:448eecc3676e 1850 JSON_Object *schema_object = NULL, *value_object = NULL;
AzureIoTClient 42:448eecc3676e 1851 JSON_Value_Type schema_type = JSONError, value_type = JSONError;
AzureIoTClient 42:448eecc3676e 1852 const char *key = NULL;
AzureIoTClient 42:448eecc3676e 1853 size_t i = 0, count = 0;
AzureIoTClient 50:bbc71457b0ea 1854 if (schema == NULL || value == NULL) {
AzureIoTClient 42:448eecc3676e 1855 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1856 }
AzureIoTClient 42:448eecc3676e 1857 schema_type = json_value_get_type(schema);
AzureIoTClient 42:448eecc3676e 1858 value_type = json_value_get_type(value);
AzureIoTClient 50:bbc71457b0ea 1859 if (schema_type != value_type && schema_type != JSONNull) { /* null represents all values */
AzureIoTClient 42:448eecc3676e 1860 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1861 }
AzureIoTClient 42:448eecc3676e 1862 switch (schema_type) {
AzureIoTClient 42:448eecc3676e 1863 case JSONArray:
AzureIoTClient 42:448eecc3676e 1864 schema_array = json_value_get_array(schema);
AzureIoTClient 42:448eecc3676e 1865 value_array = json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 1866 count = json_array_get_count(schema_array);
AzureIoTClient 50:bbc71457b0ea 1867 if (count == 0) {
AzureIoTClient 42:448eecc3676e 1868 return JSONSuccess; /* Empty array allows all types */
AzureIoTClient 50:bbc71457b0ea 1869 }
AzureIoTClient 42:448eecc3676e 1870 /* Get first value from array, rest is ignored */
AzureIoTClient 42:448eecc3676e 1871 temp_schema_value = json_array_get_value(schema_array, 0);
AzureIoTClient 42:448eecc3676e 1872 for (i = 0; i < json_array_get_count(value_array); i++) {
AzureIoTClient 42:448eecc3676e 1873 temp_value = json_array_get_value(value_array, i);
AzureIoTClient 50:bbc71457b0ea 1874 if (json_validate(temp_schema_value, temp_value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1875 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1876 }
AzureIoTClient 42:448eecc3676e 1877 }
AzureIoTClient 42:448eecc3676e 1878 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1879 case JSONObject:
AzureIoTClient 42:448eecc3676e 1880 schema_object = json_value_get_object(schema);
AzureIoTClient 42:448eecc3676e 1881 value_object = json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 1882 count = json_object_get_count(schema_object);
AzureIoTClient 50:bbc71457b0ea 1883 if (count == 0) {
AzureIoTClient 42:448eecc3676e 1884 return JSONSuccess; /* Empty object allows all objects */
AzureIoTClient 50:bbc71457b0ea 1885 } else if (json_object_get_count(value_object) < count) {
AzureIoTClient 42:448eecc3676e 1886 return JSONFailure; /* Tested object mustn't have less name-value pairs than schema */
AzureIoTClient 50:bbc71457b0ea 1887 }
AzureIoTClient 42:448eecc3676e 1888 for (i = 0; i < count; i++) {
AzureIoTClient 42:448eecc3676e 1889 key = json_object_get_name(schema_object, i);
AzureIoTClient 42:448eecc3676e 1890 temp_schema_value = json_object_get_value(schema_object, key);
AzureIoTClient 42:448eecc3676e 1891 temp_value = json_object_get_value(value_object, key);
AzureIoTClient 50:bbc71457b0ea 1892 if (temp_value == NULL) {
AzureIoTClient 42:448eecc3676e 1893 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1894 }
AzureIoTClient 50:bbc71457b0ea 1895 if (json_validate(temp_schema_value, temp_value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1896 return JSONFailure;
AzureIoTClient 50:bbc71457b0ea 1897 }
AzureIoTClient 42:448eecc3676e 1898 }
AzureIoTClient 42:448eecc3676e 1899 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1900 case JSONString: case JSONNumber: case JSONBoolean: case JSONNull:
AzureIoTClient 42:448eecc3676e 1901 return JSONSuccess; /* equality already tested before switch */
AzureIoTClient 42:448eecc3676e 1902 case JSONError: default:
AzureIoTClient 42:448eecc3676e 1903 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1904 }
AzureIoTClient 42:448eecc3676e 1905 }
AzureIoTClient 42:448eecc3676e 1906
AzureIoTClient 75:86205ca63a59 1907 int json_value_equals(const JSON_Value *a, const JSON_Value *b) {
AzureIoTClient 42:448eecc3676e 1908 JSON_Object *a_object = NULL, *b_object = NULL;
AzureIoTClient 42:448eecc3676e 1909 JSON_Array *a_array = NULL, *b_array = NULL;
AzureIoTClient 42:448eecc3676e 1910 const char *a_string = NULL, *b_string = NULL;
AzureIoTClient 42:448eecc3676e 1911 const char *key = NULL;
AzureIoTClient 42:448eecc3676e 1912 size_t a_count = 0, b_count = 0, i = 0;
AzureIoTClient 42:448eecc3676e 1913 JSON_Value_Type a_type, b_type;
AzureIoTClient 42:448eecc3676e 1914 a_type = json_value_get_type(a);
AzureIoTClient 42:448eecc3676e 1915 b_type = json_value_get_type(b);
AzureIoTClient 42:448eecc3676e 1916 if (a_type != b_type) {
AzureIoTClient 42:448eecc3676e 1917 return 0;
AzureIoTClient 42:448eecc3676e 1918 }
AzureIoTClient 42:448eecc3676e 1919 switch (a_type) {
AzureIoTClient 42:448eecc3676e 1920 case JSONArray:
AzureIoTClient 42:448eecc3676e 1921 a_array = json_value_get_array(a);
AzureIoTClient 42:448eecc3676e 1922 b_array = json_value_get_array(b);
AzureIoTClient 42:448eecc3676e 1923 a_count = json_array_get_count(a_array);
AzureIoTClient 42:448eecc3676e 1924 b_count = json_array_get_count(b_array);
AzureIoTClient 42:448eecc3676e 1925 if (a_count != b_count) {
AzureIoTClient 42:448eecc3676e 1926 return 0;
AzureIoTClient 42:448eecc3676e 1927 }
AzureIoTClient 42:448eecc3676e 1928 for (i = 0; i < a_count; i++) {
AzureIoTClient 42:448eecc3676e 1929 if (!json_value_equals(json_array_get_value(a_array, i),
AzureIoTClient 42:448eecc3676e 1930 json_array_get_value(b_array, i))) {
AzureIoTClient 42:448eecc3676e 1931 return 0;
AzureIoTClient 42:448eecc3676e 1932 }
AzureIoTClient 42:448eecc3676e 1933 }
AzureIoTClient 42:448eecc3676e 1934 return 1;
AzureIoTClient 42:448eecc3676e 1935 case JSONObject:
AzureIoTClient 42:448eecc3676e 1936 a_object = json_value_get_object(a);
AzureIoTClient 42:448eecc3676e 1937 b_object = json_value_get_object(b);
AzureIoTClient 42:448eecc3676e 1938 a_count = json_object_get_count(a_object);
AzureIoTClient 42:448eecc3676e 1939 b_count = json_object_get_count(b_object);
AzureIoTClient 42:448eecc3676e 1940 if (a_count != b_count) {
AzureIoTClient 42:448eecc3676e 1941 return 0;
AzureIoTClient 42:448eecc3676e 1942 }
AzureIoTClient 42:448eecc3676e 1943 for (i = 0; i < a_count; i++) {
AzureIoTClient 42:448eecc3676e 1944 key = json_object_get_name(a_object, i);
AzureIoTClient 42:448eecc3676e 1945 if (!json_value_equals(json_object_get_value(a_object, key),
AzureIoTClient 42:448eecc3676e 1946 json_object_get_value(b_object, key))) {
AzureIoTClient 42:448eecc3676e 1947 return 0;
AzureIoTClient 42:448eecc3676e 1948 }
AzureIoTClient 42:448eecc3676e 1949 }
AzureIoTClient 42:448eecc3676e 1950 return 1;
AzureIoTClient 42:448eecc3676e 1951 case JSONString:
AzureIoTClient 42:448eecc3676e 1952 a_string = json_value_get_string(a);
AzureIoTClient 42:448eecc3676e 1953 b_string = json_value_get_string(b);
AzureIoTClient 61:8b85a4e797cf 1954 if (a_string == NULL || b_string == NULL) {
AzureIoTClient 61:8b85a4e797cf 1955 return 0; /* shouldn't happen */
AzureIoTClient 61:8b85a4e797cf 1956 }
AzureIoTClient 42:448eecc3676e 1957 return strcmp(a_string, b_string) == 0;
AzureIoTClient 42:448eecc3676e 1958 case JSONBoolean:
AzureIoTClient 42:448eecc3676e 1959 return json_value_get_boolean(a) == json_value_get_boolean(b);
AzureIoTClient 42:448eecc3676e 1960 case JSONNumber:
AzureIoTClient 42:448eecc3676e 1961 return fabs(json_value_get_number(a) - json_value_get_number(b)) < 0.000001; /* EPSILON */
AzureIoTClient 42:448eecc3676e 1962 case JSONError:
AzureIoTClient 42:448eecc3676e 1963 return 1;
AzureIoTClient 42:448eecc3676e 1964 case JSONNull:
AzureIoTClient 42:448eecc3676e 1965 return 1;
AzureIoTClient 42:448eecc3676e 1966 default:
AzureIoTClient 42:448eecc3676e 1967 return 1;
AzureIoTClient 42:448eecc3676e 1968 }
AzureIoTClient 42:448eecc3676e 1969 }
AzureIoTClient 42:448eecc3676e 1970
AzureIoTClient 42:448eecc3676e 1971 JSON_Value_Type json_type(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1972 return json_value_get_type(value);
AzureIoTClient 42:448eecc3676e 1973 }
AzureIoTClient 42:448eecc3676e 1974
AzureIoTClient 42:448eecc3676e 1975 JSON_Object * json_object (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1976 return json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 1977 }
AzureIoTClient 42:448eecc3676e 1978
AzureIoTClient 42:448eecc3676e 1979 JSON_Array * json_array (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1980 return json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 1981 }
AzureIoTClient 42:448eecc3676e 1982
AzureIoTClient 42:448eecc3676e 1983 const char * json_string (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1984 return json_value_get_string(value);
AzureIoTClient 42:448eecc3676e 1985 }
AzureIoTClient 42:448eecc3676e 1986
AzureIoTClient 42:448eecc3676e 1987 double json_number (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1988 return json_value_get_number(value);
AzureIoTClient 42:448eecc3676e 1989 }
AzureIoTClient 42:448eecc3676e 1990
AzureIoTClient 42:448eecc3676e 1991 int json_boolean(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1992 return json_value_get_boolean(value);
AzureIoTClient 42:448eecc3676e 1993 }
AzureIoTClient 42:448eecc3676e 1994
AzureIoTClient 42:448eecc3676e 1995 void json_set_allocation_functions(JSON_Malloc_Function malloc_fun, JSON_Free_Function free_fun) {
AzureIoTClient 42:448eecc3676e 1996 parson_malloc = malloc_fun;
AzureIoTClient 42:448eecc3676e 1997 parson_free = free_fun;
AzureIoTClient 42:448eecc3676e 1998 }