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@42:448eecc3676e, 2016-06-07 (annotated)

Committer:
AzureIoTClient
Date:
Tue Jun 07 10:49:08 2016 -0700
Revision:
42:448eecc3676e
Child:
50:bbc71457b0ea
1.0.8

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 42:448eecc3676e 3 Copyright (c) 2012 - 2016 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 42:448eecc3676e 36
AzureIoTClient 42:448eecc3676e 37 #define STARTING_CAPACITY 15
AzureIoTClient 42:448eecc3676e 38 #define ARRAY_MAX_CAPACITY 122880 /* 15*(2^13) */
AzureIoTClient 42:448eecc3676e 39 #define OBJECT_MAX_CAPACITY 960 /* 15*(2^6) */
AzureIoTClient 42:448eecc3676e 40 #define MAX_NESTING 19
AzureIoTClient 42:448eecc3676e 41 #define DOUBLE_SERIALIZATION_FORMAT "%f"
AzureIoTClient 42:448eecc3676e 42
AzureIoTClient 42:448eecc3676e 43 #define SIZEOF_TOKEN(a) (sizeof(a) - 1)
AzureIoTClient 42:448eecc3676e 44 #define SKIP_CHAR(str) ((*str)++)
AzureIoTClient 42:448eecc3676e 45 #define SKIP_WHITESPACES(str) while (isspace(**str)) { SKIP_CHAR(str); }
AzureIoTClient 42:448eecc3676e 46 #define MAX(a, b) ((a) > (b) ? (a) : (b))
AzureIoTClient 42:448eecc3676e 47
AzureIoTClient 42:448eecc3676e 48 #undef malloc
AzureIoTClient 42:448eecc3676e 49 #undef free
AzureIoTClient 42:448eecc3676e 50
AzureIoTClient 42:448eecc3676e 51 static JSON_Malloc_Function parson_malloc = malloc;
AzureIoTClient 42:448eecc3676e 52 static JSON_Free_Function parson_free = free;
AzureIoTClient 42:448eecc3676e 53
AzureIoTClient 42:448eecc3676e 54 #define IS_CONT(b) (((unsigned char)(b) & 0xC0) == 0x80) /* is utf-8 continuation byte */
AzureIoTClient 42:448eecc3676e 55
AzureIoTClient 42:448eecc3676e 56 /* Type definitions */
AzureIoTClient 42:448eecc3676e 57 typedef union json_value_value {
AzureIoTClient 42:448eecc3676e 58 char *string;
AzureIoTClient 42:448eecc3676e 59 double number;
AzureIoTClient 42:448eecc3676e 60 JSON_Object *object;
AzureIoTClient 42:448eecc3676e 61 JSON_Array *array;
AzureIoTClient 42:448eecc3676e 62 int boolean;
AzureIoTClient 42:448eecc3676e 63 int null;
AzureIoTClient 42:448eecc3676e 64 } JSON_Value_Value;
AzureIoTClient 42:448eecc3676e 65
AzureIoTClient 42:448eecc3676e 66 struct json_value_t {
AzureIoTClient 42:448eecc3676e 67 JSON_Value_Type type;
AzureIoTClient 42:448eecc3676e 68 JSON_Value_Value value;
AzureIoTClient 42:448eecc3676e 69 };
AzureIoTClient 42:448eecc3676e 70
AzureIoTClient 42:448eecc3676e 71 struct json_object_t {
AzureIoTClient 42:448eecc3676e 72 char **names;
AzureIoTClient 42:448eecc3676e 73 JSON_Value **values;
AzureIoTClient 42:448eecc3676e 74 size_t count;
AzureIoTClient 42:448eecc3676e 75 size_t capacity;
AzureIoTClient 42:448eecc3676e 76 };
AzureIoTClient 42:448eecc3676e 77
AzureIoTClient 42:448eecc3676e 78 struct json_array_t {
AzureIoTClient 42:448eecc3676e 79 JSON_Value **items;
AzureIoTClient 42:448eecc3676e 80 size_t count;
AzureIoTClient 42:448eecc3676e 81 size_t capacity;
AzureIoTClient 42:448eecc3676e 82 };
AzureIoTClient 42:448eecc3676e 83
AzureIoTClient 42:448eecc3676e 84 /* Various */
AzureIoTClient 42:448eecc3676e 85 static char * read_file(const char *filename);
AzureIoTClient 42:448eecc3676e 86 static void remove_comments(char *string, const char *start_token, const char *end_token);
AzureIoTClient 42:448eecc3676e 87 static char * parson_strndup(const char *string, size_t n);
AzureIoTClient 42:448eecc3676e 88 static char * parson_strdup(const char *string);
AzureIoTClient 42:448eecc3676e 89 static int is_utf16_hex(const unsigned char *string);
AzureIoTClient 42:448eecc3676e 90 static int num_bytes_in_utf8_sequence(unsigned char c);
AzureIoTClient 42:448eecc3676e 91 static int verify_utf8_sequence(const unsigned char *string, int *len);
AzureIoTClient 42:448eecc3676e 92 static int is_valid_utf8(const char *string, size_t string_len);
AzureIoTClient 42:448eecc3676e 93 static int is_decimal(const char *string, size_t length);
AzureIoTClient 42:448eecc3676e 94
AzureIoTClient 42:448eecc3676e 95 /* JSON Object */
AzureIoTClient 42:448eecc3676e 96 static JSON_Object * json_object_init(void);
AzureIoTClient 42:448eecc3676e 97 static JSON_Status json_object_add(JSON_Object *object, const char *name, JSON_Value *value);
AzureIoTClient 42:448eecc3676e 98 static JSON_Status json_object_resize(JSON_Object *object, size_t new_capacity);
AzureIoTClient 42:448eecc3676e 99 static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n);
AzureIoTClient 42:448eecc3676e 100 static void json_object_free(JSON_Object *object);
AzureIoTClient 42:448eecc3676e 101
AzureIoTClient 42:448eecc3676e 102 /* JSON Array */
AzureIoTClient 42:448eecc3676e 103 static JSON_Array * json_array_init(void);
AzureIoTClient 42:448eecc3676e 104 static JSON_Status json_array_add(JSON_Array *array, JSON_Value *value);
AzureIoTClient 42:448eecc3676e 105 static JSON_Status json_array_resize(JSON_Array *array, size_t new_capacity);
AzureIoTClient 42:448eecc3676e 106 static void json_array_free(JSON_Array *array);
AzureIoTClient 42:448eecc3676e 107
AzureIoTClient 42:448eecc3676e 108 /* JSON Value */
AzureIoTClient 42:448eecc3676e 109 static JSON_Value * json_value_init_string_no_copy(char *string);
AzureIoTClient 42:448eecc3676e 110
AzureIoTClient 42:448eecc3676e 111 /* Parser */
AzureIoTClient 42:448eecc3676e 112 static void skip_quotes(const char **string);
AzureIoTClient 42:448eecc3676e 113 static int parse_utf_16(const char **unprocessed, char **processed);
AzureIoTClient 42:448eecc3676e 114 static char * process_string(const char *input, size_t len);
AzureIoTClient 42:448eecc3676e 115 static char * get_quoted_string(const char **string);
AzureIoTClient 42:448eecc3676e 116 static JSON_Value * parse_object_value(const char **string, size_t nesting);
AzureIoTClient 42:448eecc3676e 117 static JSON_Value * parse_array_value(const char **string, size_t nesting);
AzureIoTClient 42:448eecc3676e 118 static JSON_Value * parse_string_value(const char **string);
AzureIoTClient 42:448eecc3676e 119 static JSON_Value * parse_boolean_value(const char **string);
AzureIoTClient 42:448eecc3676e 120 static JSON_Value * parse_number_value(const char **string);
AzureIoTClient 42:448eecc3676e 121 static JSON_Value * parse_null_value(const char **string);
AzureIoTClient 42:448eecc3676e 122 static JSON_Value * parse_value(const char **string, size_t nesting);
AzureIoTClient 42:448eecc3676e 123
AzureIoTClient 42:448eecc3676e 124 /* Serialization */
AzureIoTClient 42:448eecc3676e 125 static int json_serialize_to_buffer_r(const JSON_Value *value, char *buf, int level, int is_pretty, char *num_buf);
AzureIoTClient 42:448eecc3676e 126 static int json_serialize_string(const char *string, char *buf);
AzureIoTClient 42:448eecc3676e 127 static int append_indent(char *buf, int level);
AzureIoTClient 42:448eecc3676e 128 static int append_string(char *buf, const char *string);
AzureIoTClient 42:448eecc3676e 129
AzureIoTClient 42:448eecc3676e 130 /* Various */
AzureIoTClient 42:448eecc3676e 131 static char * parson_strndup(const char *string, size_t n) {
AzureIoTClient 42:448eecc3676e 132 char *output_string = (char*)parson_malloc(n + 1);
AzureIoTClient 42:448eecc3676e 133 if (!output_string)
AzureIoTClient 42:448eecc3676e 134 return NULL;
AzureIoTClient 42:448eecc3676e 135 output_string[n] = '\0';
AzureIoTClient 42:448eecc3676e 136 strncpy(output_string, string, n);
AzureIoTClient 42:448eecc3676e 137 return output_string;
AzureIoTClient 42:448eecc3676e 138 }
AzureIoTClient 42:448eecc3676e 139
AzureIoTClient 42:448eecc3676e 140 static char * parson_strdup(const char *string) {
AzureIoTClient 42:448eecc3676e 141 return parson_strndup(string, strlen(string));
AzureIoTClient 42:448eecc3676e 142 }
AzureIoTClient 42:448eecc3676e 143
AzureIoTClient 42:448eecc3676e 144 static int is_utf16_hex(const unsigned char *s) {
AzureIoTClient 42:448eecc3676e 145 return isxdigit(s[0]) && isxdigit(s[1]) && isxdigit(s[2]) && isxdigit(s[3]);
AzureIoTClient 42:448eecc3676e 146 }
AzureIoTClient 42:448eecc3676e 147
AzureIoTClient 42:448eecc3676e 148 static int num_bytes_in_utf8_sequence(unsigned char c) {
AzureIoTClient 42:448eecc3676e 149 if (c == 0xC0 || c == 0xC1 || c > 0xF4 || IS_CONT(c)) {
AzureIoTClient 42:448eecc3676e 150 return 0;
AzureIoTClient 42:448eecc3676e 151 } else if ((c & 0x80) == 0) { /* 0xxxxxxx */
AzureIoTClient 42:448eecc3676e 152 return 1;
AzureIoTClient 42:448eecc3676e 153 } else if ((c & 0xE0) == 0xC0) { /* 110xxxxx */
AzureIoTClient 42:448eecc3676e 154 return 2;
AzureIoTClient 42:448eecc3676e 155 } else if ((c & 0xF0) == 0xE0) { /* 1110xxxx */
AzureIoTClient 42:448eecc3676e 156 return 3;
AzureIoTClient 42:448eecc3676e 157 } else if ((c & 0xF8) == 0xF0) { /* 11110xxx */
AzureIoTClient 42:448eecc3676e 158 return 4;
AzureIoTClient 42:448eecc3676e 159 }
AzureIoTClient 42:448eecc3676e 160 return 0; /* won't happen */
AzureIoTClient 42:448eecc3676e 161 }
AzureIoTClient 42:448eecc3676e 162
AzureIoTClient 42:448eecc3676e 163 static int verify_utf8_sequence(const unsigned char *string, int *len) {
AzureIoTClient 42:448eecc3676e 164 unsigned int cp = 0;
AzureIoTClient 42:448eecc3676e 165 *len = num_bytes_in_utf8_sequence(string[0]);
AzureIoTClient 42:448eecc3676e 166
AzureIoTClient 42:448eecc3676e 167 if (*len == 1) {
AzureIoTClient 42:448eecc3676e 168 cp = string[0];
AzureIoTClient 42:448eecc3676e 169 } else if (*len == 2 && IS_CONT(string[1])) {
AzureIoTClient 42:448eecc3676e 170 cp = string[0] & 0x1F;
AzureIoTClient 42:448eecc3676e 171 cp = (cp << 6) | (string[1] & 0x3F);
AzureIoTClient 42:448eecc3676e 172 } else if (*len == 3 && IS_CONT(string[1]) && IS_CONT(string[2])) {
AzureIoTClient 42:448eecc3676e 173 cp = ((unsigned char)string[0]) & 0xF;
AzureIoTClient 42:448eecc3676e 174 cp = (cp << 6) | (string[1] & 0x3F);
AzureIoTClient 42:448eecc3676e 175 cp = (cp << 6) | (string[2] & 0x3F);
AzureIoTClient 42:448eecc3676e 176 } else if (*len == 4 && IS_CONT(string[1]) && IS_CONT(string[2]) && IS_CONT(string[3])) {
AzureIoTClient 42:448eecc3676e 177 cp = string[0] & 0x7;
AzureIoTClient 42:448eecc3676e 178 cp = (cp << 6) | (string[1] & 0x3F);
AzureIoTClient 42:448eecc3676e 179 cp = (cp << 6) | (string[2] & 0x3F);
AzureIoTClient 42:448eecc3676e 180 cp = (cp << 6) | (string[3] & 0x3F);
AzureIoTClient 42:448eecc3676e 181 } else {
AzureIoTClient 42:448eecc3676e 182 return 0;
AzureIoTClient 42:448eecc3676e 183 }
AzureIoTClient 42:448eecc3676e 184
AzureIoTClient 42:448eecc3676e 185 /* overlong encodings */
AzureIoTClient 42:448eecc3676e 186 if ((cp < 0x80 && *len > 1) ||
AzureIoTClient 42:448eecc3676e 187 (cp < 0x800 && *len > 2) ||
AzureIoTClient 42:448eecc3676e 188 (cp < 0x10000 && *len > 3)) {
AzureIoTClient 42:448eecc3676e 189 return 0;
AzureIoTClient 42:448eecc3676e 190 }
AzureIoTClient 42:448eecc3676e 191
AzureIoTClient 42:448eecc3676e 192 /* invalid unicode */
AzureIoTClient 42:448eecc3676e 193 if (cp > 0x10FFFF) {
AzureIoTClient 42:448eecc3676e 194 return 0;
AzureIoTClient 42:448eecc3676e 195 }
AzureIoTClient 42:448eecc3676e 196
AzureIoTClient 42:448eecc3676e 197 /* surrogate halves */
AzureIoTClient 42:448eecc3676e 198 if (cp >= 0xD800 && cp <= 0xDFFF) {
AzureIoTClient 42:448eecc3676e 199 return 0;
AzureIoTClient 42:448eecc3676e 200 }
AzureIoTClient 42:448eecc3676e 201
AzureIoTClient 42:448eecc3676e 202 return 1;
AzureIoTClient 42:448eecc3676e 203 }
AzureIoTClient 42:448eecc3676e 204
AzureIoTClient 42:448eecc3676e 205 static int is_valid_utf8(const char *string, size_t string_len) {
AzureIoTClient 42:448eecc3676e 206 int len = 0;
AzureIoTClient 42:448eecc3676e 207 const char *string_end = string + string_len;
AzureIoTClient 42:448eecc3676e 208 while (string < string_end) {
AzureIoTClient 42:448eecc3676e 209 if (!verify_utf8_sequence((const unsigned char*)string, &len)) {
AzureIoTClient 42:448eecc3676e 210 return 0;
AzureIoTClient 42:448eecc3676e 211 }
AzureIoTClient 42:448eecc3676e 212 string += len;
AzureIoTClient 42:448eecc3676e 213 }
AzureIoTClient 42:448eecc3676e 214 return 1;
AzureIoTClient 42:448eecc3676e 215 }
AzureIoTClient 42:448eecc3676e 216
AzureIoTClient 42:448eecc3676e 217 static int is_decimal(const char *string, size_t length) {
AzureIoTClient 42:448eecc3676e 218 if (length > 1 && string[0] == '0' && string[1] != '.')
AzureIoTClient 42:448eecc3676e 219 return 0;
AzureIoTClient 42:448eecc3676e 220 if (length > 2 && !strncmp(string, "-0", 2) && string[2] != '.')
AzureIoTClient 42:448eecc3676e 221 return 0;
AzureIoTClient 42:448eecc3676e 222 while (length--)
AzureIoTClient 42:448eecc3676e 223 if (strchr("xX", string[length]))
AzureIoTClient 42:448eecc3676e 224 return 0;
AzureIoTClient 42:448eecc3676e 225 return 1;
AzureIoTClient 42:448eecc3676e 226 }
AzureIoTClient 42:448eecc3676e 227
AzureIoTClient 42:448eecc3676e 228 static char * read_file(const char * filename) {
AzureIoTClient 42:448eecc3676e 229 FILE *fp = fopen(filename, "r");
AzureIoTClient 42:448eecc3676e 230 size_t file_size;
AzureIoTClient 42:448eecc3676e 231 long pos;
AzureIoTClient 42:448eecc3676e 232 char *file_contents;
AzureIoTClient 42:448eecc3676e 233 if (!fp)
AzureIoTClient 42:448eecc3676e 234 return NULL;
AzureIoTClient 42:448eecc3676e 235 fseek(fp, 0L, SEEK_END);
AzureIoTClient 42:448eecc3676e 236 pos = ftell(fp);
AzureIoTClient 42:448eecc3676e 237 if (pos < 0) {
AzureIoTClient 42:448eecc3676e 238 fclose(fp);
AzureIoTClient 42:448eecc3676e 239 return NULL;
AzureIoTClient 42:448eecc3676e 240 }
AzureIoTClient 42:448eecc3676e 241 file_size = pos;
AzureIoTClient 42:448eecc3676e 242 rewind(fp);
AzureIoTClient 42:448eecc3676e 243 file_contents = (char*)parson_malloc(sizeof(char) * (file_size + 1));
AzureIoTClient 42:448eecc3676e 244 if (!file_contents) {
AzureIoTClient 42:448eecc3676e 245 fclose(fp);
AzureIoTClient 42:448eecc3676e 246 return NULL;
AzureIoTClient 42:448eecc3676e 247 }
AzureIoTClient 42:448eecc3676e 248 if (fread(file_contents, file_size, 1, fp) < 1) {
AzureIoTClient 42:448eecc3676e 249 if (ferror(fp)) {
AzureIoTClient 42:448eecc3676e 250 fclose(fp);
AzureIoTClient 42:448eecc3676e 251 parson_free(file_contents);
AzureIoTClient 42:448eecc3676e 252 return NULL;
AzureIoTClient 42:448eecc3676e 253 }
AzureIoTClient 42:448eecc3676e 254 }
AzureIoTClient 42:448eecc3676e 255 fclose(fp);
AzureIoTClient 42:448eecc3676e 256 file_contents[file_size] = '\0';
AzureIoTClient 42:448eecc3676e 257 return file_contents;
AzureIoTClient 42:448eecc3676e 258 }
AzureIoTClient 42:448eecc3676e 259
AzureIoTClient 42:448eecc3676e 260 static void remove_comments(char *string, const char *start_token, const char *end_token) {
AzureIoTClient 42:448eecc3676e 261 int in_string = 0, escaped = 0;
AzureIoTClient 42:448eecc3676e 262 size_t i;
AzureIoTClient 42:448eecc3676e 263 char *ptr = NULL, current_char;
AzureIoTClient 42:448eecc3676e 264 size_t start_token_len = strlen(start_token);
AzureIoTClient 42:448eecc3676e 265 size_t end_token_len = strlen(end_token);
AzureIoTClient 42:448eecc3676e 266 if (start_token_len == 0 || end_token_len == 0)
AzureIoTClient 42:448eecc3676e 267 return;
AzureIoTClient 42:448eecc3676e 268 while ((current_char = *string) != '\0') {
AzureIoTClient 42:448eecc3676e 269 if (current_char == '\\' && !escaped) {
AzureIoTClient 42:448eecc3676e 270 escaped = 1;
AzureIoTClient 42:448eecc3676e 271 string++;
AzureIoTClient 42:448eecc3676e 272 continue;
AzureIoTClient 42:448eecc3676e 273 } else if (current_char == '\"' && !escaped) {
AzureIoTClient 42:448eecc3676e 274 in_string = !in_string;
AzureIoTClient 42:448eecc3676e 275 } else if (!in_string && strncmp(string, start_token, start_token_len) == 0) {
AzureIoTClient 42:448eecc3676e 276 for(i = 0; i < start_token_len; i++)
AzureIoTClient 42:448eecc3676e 277 string[i] = ' ';
AzureIoTClient 42:448eecc3676e 278 string = string + start_token_len;
AzureIoTClient 42:448eecc3676e 279 ptr = strstr(string, end_token);
AzureIoTClient 42:448eecc3676e 280 if (!ptr)
AzureIoTClient 42:448eecc3676e 281 return;
AzureIoTClient 42:448eecc3676e 282 for (i = 0; i < (ptr - string) + end_token_len; i++)
AzureIoTClient 42:448eecc3676e 283 string[i] = ' ';
AzureIoTClient 42:448eecc3676e 284 string = ptr + end_token_len - 1;
AzureIoTClient 42:448eecc3676e 285 }
AzureIoTClient 42:448eecc3676e 286 escaped = 0;
AzureIoTClient 42:448eecc3676e 287 string++;
AzureIoTClient 42:448eecc3676e 288 }
AzureIoTClient 42:448eecc3676e 289 }
AzureIoTClient 42:448eecc3676e 290
AzureIoTClient 42:448eecc3676e 291 /* JSON Object */
AzureIoTClient 42:448eecc3676e 292 static JSON_Object * json_object_init(void) {
AzureIoTClient 42:448eecc3676e 293 JSON_Object *new_obj = (JSON_Object*)parson_malloc(sizeof(JSON_Object));
AzureIoTClient 42:448eecc3676e 294 if (!new_obj)
AzureIoTClient 42:448eecc3676e 295 return NULL;
AzureIoTClient 42:448eecc3676e 296 new_obj->names = (char**)NULL;
AzureIoTClient 42:448eecc3676e 297 new_obj->values = (JSON_Value**)NULL;
AzureIoTClient 42:448eecc3676e 298 new_obj->capacity = 0;
AzureIoTClient 42:448eecc3676e 299 new_obj->count = 0;
AzureIoTClient 42:448eecc3676e 300 return new_obj;
AzureIoTClient 42:448eecc3676e 301 }
AzureIoTClient 42:448eecc3676e 302
AzureIoTClient 42:448eecc3676e 303 static JSON_Status json_object_add(JSON_Object *object, const char *name, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 304 size_t index = 0;
AzureIoTClient 42:448eecc3676e 305 if (object == NULL || name == NULL || value == NULL) {
AzureIoTClient 42:448eecc3676e 306 return JSONFailure;
AzureIoTClient 42:448eecc3676e 307 }
AzureIoTClient 42:448eecc3676e 308 if (json_object_get_value(object, name) != NULL) {
AzureIoTClient 42:448eecc3676e 309 return JSONFailure;
AzureIoTClient 42:448eecc3676e 310 }
AzureIoTClient 42:448eecc3676e 311 if (object->count >= object->capacity) {
AzureIoTClient 42:448eecc3676e 312 size_t new_capacity = MAX(object->capacity * 2, STARTING_CAPACITY);
AzureIoTClient 42:448eecc3676e 313 if (new_capacity > OBJECT_MAX_CAPACITY)
AzureIoTClient 42:448eecc3676e 314 return JSONFailure;
AzureIoTClient 42:448eecc3676e 315 if (json_object_resize(object, new_capacity) == JSONFailure)
AzureIoTClient 42:448eecc3676e 316 return JSONFailure;
AzureIoTClient 42:448eecc3676e 317 }
AzureIoTClient 42:448eecc3676e 318 index = object->count;
AzureIoTClient 42:448eecc3676e 319 object->names[index] = parson_strdup(name);
AzureIoTClient 42:448eecc3676e 320 if (object->names[index] == NULL)
AzureIoTClient 42:448eecc3676e 321 return JSONFailure;
AzureIoTClient 42:448eecc3676e 322 object->values[index] = value;
AzureIoTClient 42:448eecc3676e 323 object->count++;
AzureIoTClient 42:448eecc3676e 324 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 325 }
AzureIoTClient 42:448eecc3676e 326
AzureIoTClient 42:448eecc3676e 327 static JSON_Status json_object_resize(JSON_Object *object, size_t new_capacity) {
AzureIoTClient 42:448eecc3676e 328 char **temp_names = NULL;
AzureIoTClient 42:448eecc3676e 329 JSON_Value **temp_values = NULL;
AzureIoTClient 42:448eecc3676e 330
AzureIoTClient 42:448eecc3676e 331 if ((object->names == NULL && object->values != NULL) ||
AzureIoTClient 42:448eecc3676e 332 (object->names != NULL && object->values == NULL) ||
AzureIoTClient 42:448eecc3676e 333 new_capacity == 0) {
AzureIoTClient 42:448eecc3676e 334 return JSONFailure; /* Shouldn't happen */
AzureIoTClient 42:448eecc3676e 335 }
AzureIoTClient 42:448eecc3676e 336
AzureIoTClient 42:448eecc3676e 337 temp_names = (char**)parson_malloc(new_capacity * sizeof(char*));
AzureIoTClient 42:448eecc3676e 338 if (temp_names == NULL)
AzureIoTClient 42:448eecc3676e 339 return JSONFailure;
AzureIoTClient 42:448eecc3676e 340
AzureIoTClient 42:448eecc3676e 341 temp_values = (JSON_Value**)parson_malloc(new_capacity * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 342 if (temp_values == NULL) {
AzureIoTClient 42:448eecc3676e 343 parson_free(temp_names);
AzureIoTClient 42:448eecc3676e 344 return JSONFailure;
AzureIoTClient 42:448eecc3676e 345 }
AzureIoTClient 42:448eecc3676e 346
AzureIoTClient 42:448eecc3676e 347 if (object->names != NULL && object->values != NULL && object->count > 0) {
AzureIoTClient 42:448eecc3676e 348 memcpy(temp_names, object->names, object->count * sizeof(char*));
AzureIoTClient 42:448eecc3676e 349 memcpy(temp_values, object->values, object->count * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 350 }
AzureIoTClient 42:448eecc3676e 351 parson_free(object->names);
AzureIoTClient 42:448eecc3676e 352 parson_free(object->values);
AzureIoTClient 42:448eecc3676e 353 object->names = temp_names;
AzureIoTClient 42:448eecc3676e 354 object->values = temp_values;
AzureIoTClient 42:448eecc3676e 355 object->capacity = new_capacity;
AzureIoTClient 42:448eecc3676e 356 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 357 }
AzureIoTClient 42:448eecc3676e 358
AzureIoTClient 42:448eecc3676e 359 static JSON_Value * json_object_nget_value(const JSON_Object *object, const char *name, size_t n) {
AzureIoTClient 42:448eecc3676e 360 size_t i, name_length;
AzureIoTClient 42:448eecc3676e 361 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 362 name_length = strlen(object->names[i]);
AzureIoTClient 42:448eecc3676e 363 if (name_length != n)
AzureIoTClient 42:448eecc3676e 364 continue;
AzureIoTClient 42:448eecc3676e 365 if (strncmp(object->names[i], name, n) == 0)
AzureIoTClient 42:448eecc3676e 366 return object->values[i];
AzureIoTClient 42:448eecc3676e 367 }
AzureIoTClient 42:448eecc3676e 368 return NULL;
AzureIoTClient 42:448eecc3676e 369 }
AzureIoTClient 42:448eecc3676e 370
AzureIoTClient 42:448eecc3676e 371 static void json_object_free(JSON_Object *object) {
AzureIoTClient 42:448eecc3676e 372 while(object->count--) {
AzureIoTClient 42:448eecc3676e 373 parson_free(object->names[object->count]);
AzureIoTClient 42:448eecc3676e 374 json_value_free(object->values[object->count]);
AzureIoTClient 42:448eecc3676e 375 }
AzureIoTClient 42:448eecc3676e 376 parson_free(object->names);
AzureIoTClient 42:448eecc3676e 377 parson_free(object->values);
AzureIoTClient 42:448eecc3676e 378 parson_free(object);
AzureIoTClient 42:448eecc3676e 379 }
AzureIoTClient 42:448eecc3676e 380
AzureIoTClient 42:448eecc3676e 381 /* JSON Array */
AzureIoTClient 42:448eecc3676e 382 static JSON_Array * json_array_init(void) {
AzureIoTClient 42:448eecc3676e 383 JSON_Array *new_array = (JSON_Array*)parson_malloc(sizeof(JSON_Array));
AzureIoTClient 42:448eecc3676e 384 if (!new_array)
AzureIoTClient 42:448eecc3676e 385 return NULL;
AzureIoTClient 42:448eecc3676e 386 new_array->items = (JSON_Value**)NULL;
AzureIoTClient 42:448eecc3676e 387 new_array->capacity = 0;
AzureIoTClient 42:448eecc3676e 388 new_array->count = 0;
AzureIoTClient 42:448eecc3676e 389 return new_array;
AzureIoTClient 42:448eecc3676e 390 }
AzureIoTClient 42:448eecc3676e 391
AzureIoTClient 42:448eecc3676e 392 static JSON_Status json_array_add(JSON_Array *array, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 393 if (array->count >= array->capacity) {
AzureIoTClient 42:448eecc3676e 394 size_t new_capacity = MAX(array->capacity * 2, STARTING_CAPACITY);
AzureIoTClient 42:448eecc3676e 395 if (new_capacity > ARRAY_MAX_CAPACITY)
AzureIoTClient 42:448eecc3676e 396 return JSONFailure;
AzureIoTClient 42:448eecc3676e 397 if (json_array_resize(array, new_capacity) == JSONFailure)
AzureIoTClient 42:448eecc3676e 398 return JSONFailure;
AzureIoTClient 42:448eecc3676e 399 }
AzureIoTClient 42:448eecc3676e 400 array->items[array->count] = value;
AzureIoTClient 42:448eecc3676e 401 array->count++;
AzureIoTClient 42:448eecc3676e 402 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 403 }
AzureIoTClient 42:448eecc3676e 404
AzureIoTClient 42:448eecc3676e 405 static JSON_Status json_array_resize(JSON_Array *array, size_t new_capacity) {
AzureIoTClient 42:448eecc3676e 406 JSON_Value **new_items = NULL;
AzureIoTClient 42:448eecc3676e 407 if (new_capacity == 0) {
AzureIoTClient 42:448eecc3676e 408 return JSONFailure;
AzureIoTClient 42:448eecc3676e 409 }
AzureIoTClient 42:448eecc3676e 410 new_items = (JSON_Value**)parson_malloc(new_capacity * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 411 if (new_items == NULL) {
AzureIoTClient 42:448eecc3676e 412 return JSONFailure;
AzureIoTClient 42:448eecc3676e 413 }
AzureIoTClient 42:448eecc3676e 414 if (array->items != NULL && array->count > 0) {
AzureIoTClient 42:448eecc3676e 415 memcpy(new_items, array->items, array->count * sizeof(JSON_Value*));
AzureIoTClient 42:448eecc3676e 416 }
AzureIoTClient 42:448eecc3676e 417 parson_free(array->items);
AzureIoTClient 42:448eecc3676e 418 array->items = new_items;
AzureIoTClient 42:448eecc3676e 419 array->capacity = new_capacity;
AzureIoTClient 42:448eecc3676e 420 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 421 }
AzureIoTClient 42:448eecc3676e 422
AzureIoTClient 42:448eecc3676e 423 static void json_array_free(JSON_Array *array) {
AzureIoTClient 42:448eecc3676e 424 while (array->count--)
AzureIoTClient 42:448eecc3676e 425 json_value_free(array->items[array->count]);
AzureIoTClient 42:448eecc3676e 426 parson_free(array->items);
AzureIoTClient 42:448eecc3676e 427 parson_free(array);
AzureIoTClient 42:448eecc3676e 428 }
AzureIoTClient 42:448eecc3676e 429
AzureIoTClient 42:448eecc3676e 430 /* JSON Value */
AzureIoTClient 42:448eecc3676e 431 static JSON_Value * json_value_init_string_no_copy(char *string) {
AzureIoTClient 42:448eecc3676e 432 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 42:448eecc3676e 433 if (!new_value)
AzureIoTClient 42:448eecc3676e 434 return NULL;
AzureIoTClient 42:448eecc3676e 435 new_value->type = JSONString;
AzureIoTClient 42:448eecc3676e 436 new_value->value.string = string;
AzureIoTClient 42:448eecc3676e 437 return new_value;
AzureIoTClient 42:448eecc3676e 438 }
AzureIoTClient 42:448eecc3676e 439
AzureIoTClient 42:448eecc3676e 440 /* Parser */
AzureIoTClient 42:448eecc3676e 441 static void skip_quotes(const char **string) {
AzureIoTClient 42:448eecc3676e 442 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 443 while (**string != '\"') {
AzureIoTClient 42:448eecc3676e 444 if (**string == '\0')
AzureIoTClient 42:448eecc3676e 445 return;
AzureIoTClient 42:448eecc3676e 446 if (**string == '\\') {
AzureIoTClient 42:448eecc3676e 447 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 448 if (**string == '\0')
AzureIoTClient 42:448eecc3676e 449 return;
AzureIoTClient 42:448eecc3676e 450 }
AzureIoTClient 42:448eecc3676e 451 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 452 }
AzureIoTClient 42:448eecc3676e 453 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 454 }
AzureIoTClient 42:448eecc3676e 455
AzureIoTClient 42:448eecc3676e 456 static int parse_utf_16(const char **unprocessed, char **processed) {
AzureIoTClient 42:448eecc3676e 457 unsigned int cp, lead, trail;
AzureIoTClient 42:448eecc3676e 458 char *processed_ptr = *processed;
AzureIoTClient 42:448eecc3676e 459 const char *unprocessed_ptr = *unprocessed;
AzureIoTClient 42:448eecc3676e 460 unprocessed_ptr++; /* skips u */
AzureIoTClient 42:448eecc3676e 461 if (!is_utf16_hex((const unsigned char*)unprocessed_ptr) || sscanf(unprocessed_ptr, "%4x", &cp) == EOF)
AzureIoTClient 42:448eecc3676e 462 return JSONFailure;
AzureIoTClient 42:448eecc3676e 463 if (cp < 0x80) {
AzureIoTClient 42:448eecc3676e 464 *processed_ptr = cp; /* 0xxxxxxx */
AzureIoTClient 42:448eecc3676e 465 } else if (cp < 0x800) {
AzureIoTClient 42:448eecc3676e 466 *processed_ptr++ = ((cp >> 6) & 0x1F) | 0xC0; /* 110xxxxx */
AzureIoTClient 42:448eecc3676e 467 *processed_ptr = ((cp ) & 0x3F) | 0x80; /* 10xxxxxx */
AzureIoTClient 42:448eecc3676e 468 } else if (cp < 0xD800 || cp > 0xDFFF) {
AzureIoTClient 42:448eecc3676e 469 *processed_ptr++ = ((cp >> 12) & 0x0F) | 0xE0; /* 1110xxxx */
AzureIoTClient 42:448eecc3676e 470 *processed_ptr++ = ((cp >> 6) & 0x3F) | 0x80; /* 10xxxxxx */
AzureIoTClient 42:448eecc3676e 471 *processed_ptr = ((cp ) & 0x3F) | 0x80; /* 10xxxxxx */
AzureIoTClient 42:448eecc3676e 472 } else if (cp >= 0xD800 && cp <= 0xDBFF) { /* lead surrogate (0xD800..0xDBFF) */
AzureIoTClient 42:448eecc3676e 473 lead = cp;
AzureIoTClient 42:448eecc3676e 474 unprocessed_ptr += 4; /* should always be within the buffer, otherwise previous sscanf would fail */
AzureIoTClient 42:448eecc3676e 475 if (*unprocessed_ptr++ != '\\' || *unprocessed_ptr++ != 'u' || /* starts with \u? */
AzureIoTClient 42:448eecc3676e 476 !is_utf16_hex((const unsigned char*)unprocessed_ptr) ||
AzureIoTClient 42:448eecc3676e 477 sscanf(unprocessed_ptr, "%4x", &trail) == EOF ||
AzureIoTClient 42:448eecc3676e 478 trail < 0xDC00 || trail > 0xDFFF) { /* valid trail surrogate? (0xDC00..0xDFFF) */
AzureIoTClient 42:448eecc3676e 479 return JSONFailure;
AzureIoTClient 42:448eecc3676e 480 }
AzureIoTClient 42:448eecc3676e 481 cp = ((((lead-0xD800)&0x3FF)<<10)|((trail-0xDC00)&0x3FF))+0x010000;
AzureIoTClient 42:448eecc3676e 482 *processed_ptr++ = (((cp >> 18) & 0x07) | 0xF0); /* 11110xxx */
AzureIoTClient 42:448eecc3676e 483 *processed_ptr++ = (((cp >> 12) & 0x3F) | 0x80); /* 10xxxxxx */
AzureIoTClient 42:448eecc3676e 484 *processed_ptr++ = (((cp >> 6) & 0x3F) | 0x80); /* 10xxxxxx */
AzureIoTClient 42:448eecc3676e 485 *processed_ptr = (((cp ) & 0x3F) | 0x80); /* 10xxxxxx */
AzureIoTClient 42:448eecc3676e 486 } else { /* trail surrogate before lead surrogate */
AzureIoTClient 42:448eecc3676e 487 return JSONFailure;
AzureIoTClient 42:448eecc3676e 488 }
AzureIoTClient 42:448eecc3676e 489 unprocessed_ptr += 3;
AzureIoTClient 42:448eecc3676e 490 *processed = processed_ptr;
AzureIoTClient 42:448eecc3676e 491 *unprocessed = unprocessed_ptr;
AzureIoTClient 42:448eecc3676e 492 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 493 }
AzureIoTClient 42:448eecc3676e 494
AzureIoTClient 42:448eecc3676e 495
AzureIoTClient 42:448eecc3676e 496 /* Copies and processes passed string up to supplied length.
AzureIoTClient 42:448eecc3676e 497 Example: "\u006Corem ipsum" -> lorem ipsum */
AzureIoTClient 42:448eecc3676e 498 static char* process_string(const char *input, size_t len) {
AzureIoTClient 42:448eecc3676e 499 const char *input_ptr = input;
AzureIoTClient 42:448eecc3676e 500 size_t initial_size = (len + 1) * sizeof(char);
AzureIoTClient 42:448eecc3676e 501 size_t final_size = 0;
AzureIoTClient 42:448eecc3676e 502 char *output = (char*)parson_malloc(initial_size);
AzureIoTClient 42:448eecc3676e 503 char *output_ptr = output;
AzureIoTClient 42:448eecc3676e 504 char *resized_output = NULL;
AzureIoTClient 42:448eecc3676e 505 while ((*input_ptr != '\0') && (size_t)(input_ptr - input) < len) {
AzureIoTClient 42:448eecc3676e 506 if (*input_ptr == '\\') {
AzureIoTClient 42:448eecc3676e 507 input_ptr++;
AzureIoTClient 42:448eecc3676e 508 switch (*input_ptr) {
AzureIoTClient 42:448eecc3676e 509 case '\"': *output_ptr = '\"'; break;
AzureIoTClient 42:448eecc3676e 510 case '\\': *output_ptr = '\\'; break;
AzureIoTClient 42:448eecc3676e 511 case '/': *output_ptr = '/'; break;
AzureIoTClient 42:448eecc3676e 512 case 'b': *output_ptr = '\b'; break;
AzureIoTClient 42:448eecc3676e 513 case 'f': *output_ptr = '\f'; break;
AzureIoTClient 42:448eecc3676e 514 case 'n': *output_ptr = '\n'; break;
AzureIoTClient 42:448eecc3676e 515 case 'r': *output_ptr = '\r'; break;
AzureIoTClient 42:448eecc3676e 516 case 't': *output_ptr = '\t'; break;
AzureIoTClient 42:448eecc3676e 517 case 'u':
AzureIoTClient 42:448eecc3676e 518 if (parse_utf_16(&input_ptr, &output_ptr) == JSONFailure)
AzureIoTClient 42:448eecc3676e 519 goto error;
AzureIoTClient 42:448eecc3676e 520 break;
AzureIoTClient 42:448eecc3676e 521 default:
AzureIoTClient 42:448eecc3676e 522 goto error;
AzureIoTClient 42:448eecc3676e 523 }
AzureIoTClient 42:448eecc3676e 524 } else if ((unsigned char)*input_ptr < 0x20) {
AzureIoTClient 42:448eecc3676e 525 goto error; /* 0x00-0x19 are invalid characters for json string (http://www.ietf.org/rfc/rfc4627.txt) */
AzureIoTClient 42:448eecc3676e 526 } else {
AzureIoTClient 42:448eecc3676e 527 *output_ptr = *input_ptr;
AzureIoTClient 42:448eecc3676e 528 }
AzureIoTClient 42:448eecc3676e 529 output_ptr++;
AzureIoTClient 42:448eecc3676e 530 input_ptr++;
AzureIoTClient 42:448eecc3676e 531 }
AzureIoTClient 42:448eecc3676e 532 *output_ptr = '\0';
AzureIoTClient 42:448eecc3676e 533 /* resize to new length */
AzureIoTClient 42:448eecc3676e 534 final_size = (size_t)(output_ptr-output) + 1;
AzureIoTClient 42:448eecc3676e 535 resized_output = (char*)parson_malloc(final_size);
AzureIoTClient 42:448eecc3676e 536 if (resized_output == NULL)
AzureIoTClient 42:448eecc3676e 537 goto error;
AzureIoTClient 42:448eecc3676e 538 memcpy(resized_output, output, final_size);
AzureIoTClient 42:448eecc3676e 539 parson_free(output);
AzureIoTClient 42:448eecc3676e 540 return resized_output;
AzureIoTClient 42:448eecc3676e 541 error:
AzureIoTClient 42:448eecc3676e 542 parson_free(output);
AzureIoTClient 42:448eecc3676e 543 return NULL;
AzureIoTClient 42:448eecc3676e 544 }
AzureIoTClient 42:448eecc3676e 545
AzureIoTClient 42:448eecc3676e 546 /* Return processed contents of a string between quotes and
AzureIoTClient 42:448eecc3676e 547 skips passed argument to a matching quote. */
AzureIoTClient 42:448eecc3676e 548 static char * get_quoted_string(const char **string) {
AzureIoTClient 42:448eecc3676e 549 const char *string_start = *string;
AzureIoTClient 42:448eecc3676e 550 size_t string_len = 0;
AzureIoTClient 42:448eecc3676e 551 skip_quotes(string);
AzureIoTClient 42:448eecc3676e 552 string_len = *string - string_start - 2; /* length without quotes */
AzureIoTClient 42:448eecc3676e 553 return process_string(string_start + 1, string_len);
AzureIoTClient 42:448eecc3676e 554 }
AzureIoTClient 42:448eecc3676e 555
AzureIoTClient 42:448eecc3676e 556 static JSON_Value * parse_value(const char **string, size_t nesting) {
AzureIoTClient 42:448eecc3676e 557 if (nesting > MAX_NESTING)
AzureIoTClient 42:448eecc3676e 558 return NULL;
AzureIoTClient 42:448eecc3676e 559 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 560 switch (**string) {
AzureIoTClient 42:448eecc3676e 561 case '{':
AzureIoTClient 42:448eecc3676e 562 return parse_object_value(string, nesting + 1);
AzureIoTClient 42:448eecc3676e 563 case '[':
AzureIoTClient 42:448eecc3676e 564 return parse_array_value(string, nesting + 1);
AzureIoTClient 42:448eecc3676e 565 case '\"':
AzureIoTClient 42:448eecc3676e 566 return parse_string_value(string);
AzureIoTClient 42:448eecc3676e 567 case 'f': case 't':
AzureIoTClient 42:448eecc3676e 568 return parse_boolean_value(string);
AzureIoTClient 42:448eecc3676e 569 case '-':
AzureIoTClient 42:448eecc3676e 570 case '0': case '1': case '2': case '3': case '4':
AzureIoTClient 42:448eecc3676e 571 case '5': case '6': case '7': case '8': case '9':
AzureIoTClient 42:448eecc3676e 572 return parse_number_value(string);
AzureIoTClient 42:448eecc3676e 573 case 'n':
AzureIoTClient 42:448eecc3676e 574 return parse_null_value(string);
AzureIoTClient 42:448eecc3676e 575 default:
AzureIoTClient 42:448eecc3676e 576 return NULL;
AzureIoTClient 42:448eecc3676e 577 }
AzureIoTClient 42:448eecc3676e 578 }
AzureIoTClient 42:448eecc3676e 579
AzureIoTClient 42:448eecc3676e 580 static JSON_Value * parse_object_value(const char **string, size_t nesting) {
AzureIoTClient 42:448eecc3676e 581 JSON_Value *output_value = json_value_init_object(), *new_value = NULL;
AzureIoTClient 42:448eecc3676e 582 JSON_Object *output_object = json_value_get_object(output_value);
AzureIoTClient 42:448eecc3676e 583 char *new_key = NULL;
AzureIoTClient 42:448eecc3676e 584 if (output_value == NULL)
AzureIoTClient 42:448eecc3676e 585 return NULL;
AzureIoTClient 42:448eecc3676e 586 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 587 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 588 if (**string == '}') { /* empty object */
AzureIoTClient 42:448eecc3676e 589 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 590 return output_value;
AzureIoTClient 42:448eecc3676e 591 }
AzureIoTClient 42:448eecc3676e 592 while (**string != '\0') {
AzureIoTClient 42:448eecc3676e 593 new_key = get_quoted_string(string);
AzureIoTClient 42:448eecc3676e 594 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 595 if (new_key == NULL || **string != ':') {
AzureIoTClient 42:448eecc3676e 596 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 597 return NULL;
AzureIoTClient 42:448eecc3676e 598 }
AzureIoTClient 42:448eecc3676e 599 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 600 new_value = parse_value(string, nesting);
AzureIoTClient 42:448eecc3676e 601 if (new_value == NULL) {
AzureIoTClient 42:448eecc3676e 602 parson_free(new_key);
AzureIoTClient 42:448eecc3676e 603 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 604 return NULL;
AzureIoTClient 42:448eecc3676e 605 }
AzureIoTClient 42:448eecc3676e 606 if(json_object_add(output_object, new_key, new_value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 607 parson_free(new_key);
AzureIoTClient 42:448eecc3676e 608 parson_free(new_value);
AzureIoTClient 42:448eecc3676e 609 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 610 return NULL;
AzureIoTClient 42:448eecc3676e 611 }
AzureIoTClient 42:448eecc3676e 612 parson_free(new_key);
AzureIoTClient 42:448eecc3676e 613 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 614 if (**string != ',')
AzureIoTClient 42:448eecc3676e 615 break;
AzureIoTClient 42:448eecc3676e 616 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 617 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 618 }
AzureIoTClient 42:448eecc3676e 619 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 620 if (**string != '}' || /* Trim object after parsing is over */
AzureIoTClient 42:448eecc3676e 621 json_object_resize(output_object, json_object_get_count(output_object)) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 622 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 623 return NULL;
AzureIoTClient 42:448eecc3676e 624 }
AzureIoTClient 42:448eecc3676e 625 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 626 return output_value;
AzureIoTClient 42:448eecc3676e 627 }
AzureIoTClient 42:448eecc3676e 628
AzureIoTClient 42:448eecc3676e 629 static JSON_Value * parse_array_value(const char **string, size_t nesting) {
AzureIoTClient 42:448eecc3676e 630 JSON_Value *output_value = json_value_init_array(), *new_array_value = NULL;
AzureIoTClient 42:448eecc3676e 631 JSON_Array *output_array = json_value_get_array(output_value);
AzureIoTClient 42:448eecc3676e 632 if (!output_value)
AzureIoTClient 42:448eecc3676e 633 return NULL;
AzureIoTClient 42:448eecc3676e 634 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 635 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 636 if (**string == ']') { /* empty array */
AzureIoTClient 42:448eecc3676e 637 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 638 return output_value;
AzureIoTClient 42:448eecc3676e 639 }
AzureIoTClient 42:448eecc3676e 640 while (**string != '\0') {
AzureIoTClient 42:448eecc3676e 641 new_array_value = parse_value(string, nesting);
AzureIoTClient 42:448eecc3676e 642 if (!new_array_value) {
AzureIoTClient 42:448eecc3676e 643 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 644 return NULL;
AzureIoTClient 42:448eecc3676e 645 }
AzureIoTClient 42:448eecc3676e 646 if(json_array_add(output_array, new_array_value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 647 parson_free(new_array_value);
AzureIoTClient 42:448eecc3676e 648 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 649 return NULL;
AzureIoTClient 42:448eecc3676e 650 }
AzureIoTClient 42:448eecc3676e 651 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 652 if (**string != ',')
AzureIoTClient 42:448eecc3676e 653 break;
AzureIoTClient 42:448eecc3676e 654 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 655 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 656 }
AzureIoTClient 42:448eecc3676e 657 SKIP_WHITESPACES(string);
AzureIoTClient 42:448eecc3676e 658 if (**string != ']' || /* Trim array after parsing is over */
AzureIoTClient 42:448eecc3676e 659 json_array_resize(output_array, json_array_get_count(output_array)) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 660 json_value_free(output_value);
AzureIoTClient 42:448eecc3676e 661 return NULL;
AzureIoTClient 42:448eecc3676e 662 }
AzureIoTClient 42:448eecc3676e 663 SKIP_CHAR(string);
AzureIoTClient 42:448eecc3676e 664 return output_value;
AzureIoTClient 42:448eecc3676e 665 }
AzureIoTClient 42:448eecc3676e 666
AzureIoTClient 42:448eecc3676e 667 static JSON_Value * parse_string_value(const char **string) {
AzureIoTClient 42:448eecc3676e 668 JSON_Value *value = NULL;
AzureIoTClient 42:448eecc3676e 669 char *new_string = get_quoted_string(string);
AzureIoTClient 42:448eecc3676e 670 if (new_string == NULL)
AzureIoTClient 42:448eecc3676e 671 return NULL;
AzureIoTClient 42:448eecc3676e 672 value = json_value_init_string_no_copy(new_string);
AzureIoTClient 42:448eecc3676e 673 if (value == NULL) {
AzureIoTClient 42:448eecc3676e 674 parson_free(new_string);
AzureIoTClient 42:448eecc3676e 675 return NULL;
AzureIoTClient 42:448eecc3676e 676 }
AzureIoTClient 42:448eecc3676e 677 return value;
AzureIoTClient 42:448eecc3676e 678 }
AzureIoTClient 42:448eecc3676e 679
AzureIoTClient 42:448eecc3676e 680 static JSON_Value * parse_boolean_value(const char **string) {
AzureIoTClient 42:448eecc3676e 681 size_t true_token_size = SIZEOF_TOKEN("true");
AzureIoTClient 42:448eecc3676e 682 size_t false_token_size = SIZEOF_TOKEN("false");
AzureIoTClient 42:448eecc3676e 683 if (strncmp("true", *string, true_token_size) == 0) {
AzureIoTClient 42:448eecc3676e 684 *string += true_token_size;
AzureIoTClient 42:448eecc3676e 685 return json_value_init_boolean(1);
AzureIoTClient 42:448eecc3676e 686 } else if (strncmp("false", *string, false_token_size) == 0) {
AzureIoTClient 42:448eecc3676e 687 *string += false_token_size;
AzureIoTClient 42:448eecc3676e 688 return json_value_init_boolean(0);
AzureIoTClient 42:448eecc3676e 689 }
AzureIoTClient 42:448eecc3676e 690 return NULL;
AzureIoTClient 42:448eecc3676e 691 }
AzureIoTClient 42:448eecc3676e 692
AzureIoTClient 42:448eecc3676e 693 static JSON_Value * parse_number_value(const char **string) {
AzureIoTClient 42:448eecc3676e 694 char *end;
AzureIoTClient 42:448eecc3676e 695 double number = strtod(*string, &end);
AzureIoTClient 42:448eecc3676e 696 JSON_Value *output_value;
AzureIoTClient 42:448eecc3676e 697 if (is_decimal(*string, end - *string)) {
AzureIoTClient 42:448eecc3676e 698 *string = end;
AzureIoTClient 42:448eecc3676e 699 output_value = json_value_init_number(number);
AzureIoTClient 42:448eecc3676e 700 } else {
AzureIoTClient 42:448eecc3676e 701 output_value = NULL;
AzureIoTClient 42:448eecc3676e 702 }
AzureIoTClient 42:448eecc3676e 703 return output_value;
AzureIoTClient 42:448eecc3676e 704 }
AzureIoTClient 42:448eecc3676e 705
AzureIoTClient 42:448eecc3676e 706 static JSON_Value * parse_null_value(const char **string) {
AzureIoTClient 42:448eecc3676e 707 size_t token_size = SIZEOF_TOKEN("null");
AzureIoTClient 42:448eecc3676e 708 if (strncmp("null", *string, token_size) == 0) {
AzureIoTClient 42:448eecc3676e 709 *string += token_size;
AzureIoTClient 42:448eecc3676e 710 return json_value_init_null();
AzureIoTClient 42:448eecc3676e 711 }
AzureIoTClient 42:448eecc3676e 712 return NULL;
AzureIoTClient 42:448eecc3676e 713 }
AzureIoTClient 42:448eecc3676e 714
AzureIoTClient 42:448eecc3676e 715 /* Serialization */
AzureIoTClient 42:448eecc3676e 716 #define APPEND_STRING(str) do { written = append_string(buf, (str));\
AzureIoTClient 42:448eecc3676e 717 if (written < 0) { return -1; }\
AzureIoTClient 42:448eecc3676e 718 if (buf != NULL) { buf += written; }\
AzureIoTClient 42:448eecc3676e 719 written_total += written; } while(0)
AzureIoTClient 42:448eecc3676e 720
AzureIoTClient 42:448eecc3676e 721 #define APPEND_INDENT(level) do { written = append_indent(buf, (level));\
AzureIoTClient 42:448eecc3676e 722 if (written < 0) { return -1; }\
AzureIoTClient 42:448eecc3676e 723 if (buf != NULL) { buf += written; }\
AzureIoTClient 42:448eecc3676e 724 written_total += written; } while(0)
AzureIoTClient 42:448eecc3676e 725
AzureIoTClient 42:448eecc3676e 726 static int json_serialize_to_buffer_r(const JSON_Value *value, char *buf, int level, int is_pretty, char *num_buf)
AzureIoTClient 42:448eecc3676e 727 {
AzureIoTClient 42:448eecc3676e 728 const char *key = NULL, *string = NULL;
AzureIoTClient 42:448eecc3676e 729 JSON_Value *temp_value = NULL;
AzureIoTClient 42:448eecc3676e 730 JSON_Array *array = NULL;
AzureIoTClient 42:448eecc3676e 731 JSON_Object *object = NULL;
AzureIoTClient 42:448eecc3676e 732 size_t i = 0, count = 0;
AzureIoTClient 42:448eecc3676e 733 double num = 0.0;
AzureIoTClient 42:448eecc3676e 734 int written = -1, written_total = 0;
AzureIoTClient 42:448eecc3676e 735
AzureIoTClient 42:448eecc3676e 736 switch (json_value_get_type(value)) {
AzureIoTClient 42:448eecc3676e 737 case JSONArray:
AzureIoTClient 42:448eecc3676e 738 array = json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 739 count = json_array_get_count(array);
AzureIoTClient 42:448eecc3676e 740 APPEND_STRING("[");
AzureIoTClient 42:448eecc3676e 741 if (count > 0 && is_pretty)
AzureIoTClient 42:448eecc3676e 742 APPEND_STRING("\n");
AzureIoTClient 42:448eecc3676e 743 for (i = 0; i < count; i++) {
AzureIoTClient 42:448eecc3676e 744 if (is_pretty)
AzureIoTClient 42:448eecc3676e 745 APPEND_INDENT(level+1);
AzureIoTClient 42:448eecc3676e 746 temp_value = json_array_get_value(array, i);
AzureIoTClient 42:448eecc3676e 747 written = json_serialize_to_buffer_r(temp_value, buf, level+1, is_pretty, num_buf);
AzureIoTClient 42:448eecc3676e 748 if (written < 0)
AzureIoTClient 42:448eecc3676e 749 return -1;
AzureIoTClient 42:448eecc3676e 750 if (buf != NULL)
AzureIoTClient 42:448eecc3676e 751 buf += written;
AzureIoTClient 42:448eecc3676e 752 written_total += written;
AzureIoTClient 42:448eecc3676e 753 if (i < (count - 1))
AzureIoTClient 42:448eecc3676e 754 APPEND_STRING(",");
AzureIoTClient 42:448eecc3676e 755 if (is_pretty)
AzureIoTClient 42:448eecc3676e 756 APPEND_STRING("\n");
AzureIoTClient 42:448eecc3676e 757 }
AzureIoTClient 42:448eecc3676e 758 if (count > 0 && is_pretty)
AzureIoTClient 42:448eecc3676e 759 APPEND_INDENT(level);
AzureIoTClient 42:448eecc3676e 760 APPEND_STRING("]");
AzureIoTClient 42:448eecc3676e 761 return written_total;
AzureIoTClient 42:448eecc3676e 762 case JSONObject:
AzureIoTClient 42:448eecc3676e 763 object = json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 764 count = json_object_get_count(object);
AzureIoTClient 42:448eecc3676e 765 APPEND_STRING("{");
AzureIoTClient 42:448eecc3676e 766 if (count > 0 && is_pretty)
AzureIoTClient 42:448eecc3676e 767 APPEND_STRING("\n");
AzureIoTClient 42:448eecc3676e 768 for (i = 0; i < count; i++) {
AzureIoTClient 42:448eecc3676e 769 key = json_object_get_name(object, i);
AzureIoTClient 42:448eecc3676e 770 if (is_pretty)
AzureIoTClient 42:448eecc3676e 771 APPEND_INDENT(level+1);
AzureIoTClient 42:448eecc3676e 772 written = json_serialize_string(key, buf);
AzureIoTClient 42:448eecc3676e 773 if (written < 0)
AzureIoTClient 42:448eecc3676e 774 return -1;
AzureIoTClient 42:448eecc3676e 775 if (buf != NULL)
AzureIoTClient 42:448eecc3676e 776 buf += written;
AzureIoTClient 42:448eecc3676e 777 written_total += written;
AzureIoTClient 42:448eecc3676e 778 APPEND_STRING(":");
AzureIoTClient 42:448eecc3676e 779 if (is_pretty)
AzureIoTClient 42:448eecc3676e 780 APPEND_STRING(" ");
AzureIoTClient 42:448eecc3676e 781 temp_value = json_object_get_value(object, key);
AzureIoTClient 42:448eecc3676e 782 written = json_serialize_to_buffer_r(temp_value, buf, level+1, is_pretty, num_buf);
AzureIoTClient 42:448eecc3676e 783 if (written < 0)
AzureIoTClient 42:448eecc3676e 784 return -1;
AzureIoTClient 42:448eecc3676e 785 if (buf != NULL)
AzureIoTClient 42:448eecc3676e 786 buf += written;
AzureIoTClient 42:448eecc3676e 787 written_total += written;
AzureIoTClient 42:448eecc3676e 788 if (i < (count - 1))
AzureIoTClient 42:448eecc3676e 789 APPEND_STRING(",");
AzureIoTClient 42:448eecc3676e 790 if (is_pretty)
AzureIoTClient 42:448eecc3676e 791 APPEND_STRING("\n");
AzureIoTClient 42:448eecc3676e 792 }
AzureIoTClient 42:448eecc3676e 793 if (count > 0 && is_pretty)
AzureIoTClient 42:448eecc3676e 794 APPEND_INDENT(level);
AzureIoTClient 42:448eecc3676e 795 APPEND_STRING("}");
AzureIoTClient 42:448eecc3676e 796 return written_total;
AzureIoTClient 42:448eecc3676e 797 case JSONString:
AzureIoTClient 42:448eecc3676e 798 string = json_value_get_string(value);
AzureIoTClient 42:448eecc3676e 799 written = json_serialize_string(string, buf);
AzureIoTClient 42:448eecc3676e 800 if (written < 0)
AzureIoTClient 42:448eecc3676e 801 return -1;
AzureIoTClient 42:448eecc3676e 802 if (buf != NULL)
AzureIoTClient 42:448eecc3676e 803 buf += written;
AzureIoTClient 42:448eecc3676e 804 written_total += written;
AzureIoTClient 42:448eecc3676e 805 return written_total;
AzureIoTClient 42:448eecc3676e 806 case JSONBoolean:
AzureIoTClient 42:448eecc3676e 807 if (json_value_get_boolean(value))
AzureIoTClient 42:448eecc3676e 808 APPEND_STRING("true");
AzureIoTClient 42:448eecc3676e 809 else
AzureIoTClient 42:448eecc3676e 810 APPEND_STRING("false");
AzureIoTClient 42:448eecc3676e 811 return written_total;
AzureIoTClient 42:448eecc3676e 812 case JSONNumber:
AzureIoTClient 42:448eecc3676e 813 num = json_value_get_number(value);
AzureIoTClient 42:448eecc3676e 814 if (buf != NULL)
AzureIoTClient 42:448eecc3676e 815 num_buf = buf;
AzureIoTClient 42:448eecc3676e 816 if (num == ((double)(int)num)) /* check if num is integer */
AzureIoTClient 42:448eecc3676e 817 written = sprintf(num_buf, "%d", (int)num);
AzureIoTClient 42:448eecc3676e 818 else
AzureIoTClient 42:448eecc3676e 819 written = sprintf(num_buf, DOUBLE_SERIALIZATION_FORMAT, num);
AzureIoTClient 42:448eecc3676e 820 if (written < 0)
AzureIoTClient 42:448eecc3676e 821 return -1;
AzureIoTClient 42:448eecc3676e 822 if (buf != NULL)
AzureIoTClient 42:448eecc3676e 823 buf += written;
AzureIoTClient 42:448eecc3676e 824 written_total += written;
AzureIoTClient 42:448eecc3676e 825 return written_total;
AzureIoTClient 42:448eecc3676e 826 case JSONNull:
AzureIoTClient 42:448eecc3676e 827 APPEND_STRING("null");
AzureIoTClient 42:448eecc3676e 828 return written_total;
AzureIoTClient 42:448eecc3676e 829 case JSONError:
AzureIoTClient 42:448eecc3676e 830 return -1;
AzureIoTClient 42:448eecc3676e 831 default:
AzureIoTClient 42:448eecc3676e 832 return -1;
AzureIoTClient 42:448eecc3676e 833 }
AzureIoTClient 42:448eecc3676e 834 }
AzureIoTClient 42:448eecc3676e 835
AzureIoTClient 42:448eecc3676e 836 static int json_serialize_string(const char *string, char *buf) {
AzureIoTClient 42:448eecc3676e 837 size_t i = 0, len = strlen(string);
AzureIoTClient 42:448eecc3676e 838 char c = '\0';
AzureIoTClient 42:448eecc3676e 839 int written = -1, written_total = 0;
AzureIoTClient 42:448eecc3676e 840 APPEND_STRING("\"");
AzureIoTClient 42:448eecc3676e 841 for (i = 0; i < len; i++) {
AzureIoTClient 42:448eecc3676e 842 c = string[i];
AzureIoTClient 42:448eecc3676e 843 switch (c) {
AzureIoTClient 42:448eecc3676e 844 case '\"': APPEND_STRING("\\\""); break;
AzureIoTClient 42:448eecc3676e 845 case '\\': APPEND_STRING("\\\\"); break;
AzureIoTClient 42:448eecc3676e 846 case '/': APPEND_STRING("\\/"); break; /* to make json embeddable in xml\/html */
AzureIoTClient 42:448eecc3676e 847 case '\b': APPEND_STRING("\\b"); break;
AzureIoTClient 42:448eecc3676e 848 case '\f': APPEND_STRING("\\f"); break;
AzureIoTClient 42:448eecc3676e 849 case '\n': APPEND_STRING("\\n"); break;
AzureIoTClient 42:448eecc3676e 850 case '\r': APPEND_STRING("\\r"); break;
AzureIoTClient 42:448eecc3676e 851 case '\t': APPEND_STRING("\\t"); break;
AzureIoTClient 42:448eecc3676e 852 default:
AzureIoTClient 42:448eecc3676e 853 if (buf != NULL) {
AzureIoTClient 42:448eecc3676e 854 buf[0] = c;
AzureIoTClient 42:448eecc3676e 855 buf += 1;
AzureIoTClient 42:448eecc3676e 856 }
AzureIoTClient 42:448eecc3676e 857 written_total += 1;
AzureIoTClient 42:448eecc3676e 858 break;
AzureIoTClient 42:448eecc3676e 859 }
AzureIoTClient 42:448eecc3676e 860 }
AzureIoTClient 42:448eecc3676e 861 APPEND_STRING("\"");
AzureIoTClient 42:448eecc3676e 862 return written_total;
AzureIoTClient 42:448eecc3676e 863 }
AzureIoTClient 42:448eecc3676e 864
AzureIoTClient 42:448eecc3676e 865 static int append_indent(char *buf, int level) {
AzureIoTClient 42:448eecc3676e 866 int i;
AzureIoTClient 42:448eecc3676e 867 int written = -1, written_total = 0;
AzureIoTClient 42:448eecc3676e 868 for (i = 0; i < level; i++) {
AzureIoTClient 42:448eecc3676e 869 APPEND_STRING(" ");
AzureIoTClient 42:448eecc3676e 870 }
AzureIoTClient 42:448eecc3676e 871 return written_total;
AzureIoTClient 42:448eecc3676e 872 }
AzureIoTClient 42:448eecc3676e 873
AzureIoTClient 42:448eecc3676e 874 static int append_string(char *buf, const char *string) {
AzureIoTClient 42:448eecc3676e 875 if (buf == NULL) {
AzureIoTClient 42:448eecc3676e 876 return (int)strlen(string);
AzureIoTClient 42:448eecc3676e 877 }
AzureIoTClient 42:448eecc3676e 878 return sprintf(buf, "%s", string);
AzureIoTClient 42:448eecc3676e 879 }
AzureIoTClient 42:448eecc3676e 880
AzureIoTClient 42:448eecc3676e 881 #undef APPEND_STRING
AzureIoTClient 42:448eecc3676e 882 #undef APPEND_INDENT
AzureIoTClient 42:448eecc3676e 883
AzureIoTClient 42:448eecc3676e 884 /* Parser API */
AzureIoTClient 42:448eecc3676e 885 JSON_Value * json_parse_file(const char *filename) {
AzureIoTClient 42:448eecc3676e 886 char *file_contents = read_file(filename);
AzureIoTClient 42:448eecc3676e 887 JSON_Value *output_value = NULL;
AzureIoTClient 42:448eecc3676e 888 if (file_contents == NULL)
AzureIoTClient 42:448eecc3676e 889 return NULL;
AzureIoTClient 42:448eecc3676e 890 output_value = json_parse_string(file_contents);
AzureIoTClient 42:448eecc3676e 891 parson_free(file_contents);
AzureIoTClient 42:448eecc3676e 892 return output_value;
AzureIoTClient 42:448eecc3676e 893 }
AzureIoTClient 42:448eecc3676e 894
AzureIoTClient 42:448eecc3676e 895 JSON_Value * json_parse_file_with_comments(const char *filename) {
AzureIoTClient 42:448eecc3676e 896 char *file_contents = read_file(filename);
AzureIoTClient 42:448eecc3676e 897 JSON_Value *output_value = NULL;
AzureIoTClient 42:448eecc3676e 898 if (file_contents == NULL)
AzureIoTClient 42:448eecc3676e 899 return NULL;
AzureIoTClient 42:448eecc3676e 900 output_value = json_parse_string_with_comments(file_contents);
AzureIoTClient 42:448eecc3676e 901 parson_free(file_contents);
AzureIoTClient 42:448eecc3676e 902 return output_value;
AzureIoTClient 42:448eecc3676e 903 }
AzureIoTClient 42:448eecc3676e 904
AzureIoTClient 42:448eecc3676e 905 JSON_Value * json_parse_string(const char *string) {
AzureIoTClient 42:448eecc3676e 906 if (string == NULL)
AzureIoTClient 42:448eecc3676e 907 return NULL;
AzureIoTClient 42:448eecc3676e 908 return parse_value((const char**)&string, 0);
AzureIoTClient 42:448eecc3676e 909 }
AzureIoTClient 42:448eecc3676e 910
AzureIoTClient 42:448eecc3676e 911 JSON_Value * json_parse_string_with_comments(const char *string) {
AzureIoTClient 42:448eecc3676e 912 JSON_Value *result = NULL;
AzureIoTClient 42:448eecc3676e 913 char *string_mutable_copy = NULL, *string_mutable_copy_ptr = NULL;
AzureIoTClient 42:448eecc3676e 914 string_mutable_copy = parson_strdup(string);
AzureIoTClient 42:448eecc3676e 915 if (string_mutable_copy == NULL)
AzureIoTClient 42:448eecc3676e 916 return NULL;
AzureIoTClient 42:448eecc3676e 917 remove_comments(string_mutable_copy, "/*", "*/");
AzureIoTClient 42:448eecc3676e 918 remove_comments(string_mutable_copy, "//", "\n");
AzureIoTClient 42:448eecc3676e 919 string_mutable_copy_ptr = string_mutable_copy;
AzureIoTClient 42:448eecc3676e 920 result = parse_value((const char**)&string_mutable_copy_ptr, 0);
AzureIoTClient 42:448eecc3676e 921 parson_free(string_mutable_copy);
AzureIoTClient 42:448eecc3676e 922 return result;
AzureIoTClient 42:448eecc3676e 923 }
AzureIoTClient 42:448eecc3676e 924
AzureIoTClient 42:448eecc3676e 925 /* JSON Object API */
AzureIoTClient 42:448eecc3676e 926
AzureIoTClient 42:448eecc3676e 927 JSON_Value * json_object_get_value(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 928 if (object == NULL || name == NULL)
AzureIoTClient 42:448eecc3676e 929 return NULL;
AzureIoTClient 42:448eecc3676e 930 return json_object_nget_value(object, name, strlen(name));
AzureIoTClient 42:448eecc3676e 931 }
AzureIoTClient 42:448eecc3676e 932
AzureIoTClient 42:448eecc3676e 933 const char * json_object_get_string(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 934 return json_value_get_string(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 935 }
AzureIoTClient 42:448eecc3676e 936
AzureIoTClient 42:448eecc3676e 937 double json_object_get_number(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 938 return json_value_get_number(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 939 }
AzureIoTClient 42:448eecc3676e 940
AzureIoTClient 42:448eecc3676e 941 JSON_Object * json_object_get_object(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 942 return json_value_get_object(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 943 }
AzureIoTClient 42:448eecc3676e 944
AzureIoTClient 42:448eecc3676e 945 JSON_Array * json_object_get_array(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 946 return json_value_get_array(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 947 }
AzureIoTClient 42:448eecc3676e 948
AzureIoTClient 42:448eecc3676e 949 int json_object_get_boolean(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 950 return json_value_get_boolean(json_object_get_value(object, name));
AzureIoTClient 42:448eecc3676e 951 }
AzureIoTClient 42:448eecc3676e 952
AzureIoTClient 42:448eecc3676e 953 JSON_Value * json_object_dotget_value(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 954 const char *dot_position = strchr(name, '.');
AzureIoTClient 42:448eecc3676e 955 if (!dot_position)
AzureIoTClient 42:448eecc3676e 956 return json_object_get_value(object, name);
AzureIoTClient 42:448eecc3676e 957 object = json_value_get_object(json_object_nget_value(object, name, dot_position - name));
AzureIoTClient 42:448eecc3676e 958 return json_object_dotget_value(object, dot_position + 1);
AzureIoTClient 42:448eecc3676e 959 }
AzureIoTClient 42:448eecc3676e 960
AzureIoTClient 42:448eecc3676e 961 const char * json_object_dotget_string(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 962 return json_value_get_string(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 963 }
AzureIoTClient 42:448eecc3676e 964
AzureIoTClient 42:448eecc3676e 965 double json_object_dotget_number(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 966 return json_value_get_number(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 967 }
AzureIoTClient 42:448eecc3676e 968
AzureIoTClient 42:448eecc3676e 969 JSON_Object * json_object_dotget_object(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 970 return json_value_get_object(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 971 }
AzureIoTClient 42:448eecc3676e 972
AzureIoTClient 42:448eecc3676e 973 JSON_Array * json_object_dotget_array(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 974 return json_value_get_array(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 975 }
AzureIoTClient 42:448eecc3676e 976
AzureIoTClient 42:448eecc3676e 977 int json_object_dotget_boolean(const JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 978 return json_value_get_boolean(json_object_dotget_value(object, name));
AzureIoTClient 42:448eecc3676e 979 }
AzureIoTClient 42:448eecc3676e 980
AzureIoTClient 42:448eecc3676e 981 size_t json_object_get_count(const JSON_Object *object) {
AzureIoTClient 42:448eecc3676e 982 return object ? object->count : 0;
AzureIoTClient 42:448eecc3676e 983 }
AzureIoTClient 42:448eecc3676e 984
AzureIoTClient 42:448eecc3676e 985 const char * json_object_get_name(const JSON_Object *object, size_t index) {
AzureIoTClient 42:448eecc3676e 986 if (object == NULL || index >= json_object_get_count(object))
AzureIoTClient 42:448eecc3676e 987 return NULL;
AzureIoTClient 42:448eecc3676e 988 return object->names[index];
AzureIoTClient 42:448eecc3676e 989 }
AzureIoTClient 42:448eecc3676e 990
AzureIoTClient 42:448eecc3676e 991 JSON_Value * json_object_get_value_at(const JSON_Object *object, size_t index) {
AzureIoTClient 42:448eecc3676e 992 if (object == NULL || index >= json_object_get_count(object))
AzureIoTClient 42:448eecc3676e 993 return NULL;
AzureIoTClient 42:448eecc3676e 994 return object->values[index];
AzureIoTClient 42:448eecc3676e 995 }
AzureIoTClient 42:448eecc3676e 996
AzureIoTClient 42:448eecc3676e 997 /* JSON Array API */
AzureIoTClient 42:448eecc3676e 998 JSON_Value * json_array_get_value(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 999 if (array == NULL || index >= json_array_get_count(array))
AzureIoTClient 42:448eecc3676e 1000 return NULL;
AzureIoTClient 42:448eecc3676e 1001 return array->items[index];
AzureIoTClient 42:448eecc3676e 1002 }
AzureIoTClient 42:448eecc3676e 1003
AzureIoTClient 42:448eecc3676e 1004 const char * json_array_get_string(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1005 return json_value_get_string(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1006 }
AzureIoTClient 42:448eecc3676e 1007
AzureIoTClient 42:448eecc3676e 1008 double json_array_get_number(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1009 return json_value_get_number(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1010 }
AzureIoTClient 42:448eecc3676e 1011
AzureIoTClient 42:448eecc3676e 1012 JSON_Object * json_array_get_object(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1013 return json_value_get_object(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1014 }
AzureIoTClient 42:448eecc3676e 1015
AzureIoTClient 42:448eecc3676e 1016 JSON_Array * json_array_get_array(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1017 return json_value_get_array(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1018 }
AzureIoTClient 42:448eecc3676e 1019
AzureIoTClient 42:448eecc3676e 1020 int json_array_get_boolean(const JSON_Array *array, size_t index) {
AzureIoTClient 42:448eecc3676e 1021 return json_value_get_boolean(json_array_get_value(array, index));
AzureIoTClient 42:448eecc3676e 1022 }
AzureIoTClient 42:448eecc3676e 1023
AzureIoTClient 42:448eecc3676e 1024 size_t json_array_get_count(const JSON_Array *array) {
AzureIoTClient 42:448eecc3676e 1025 return array ? array->count : 0;
AzureIoTClient 42:448eecc3676e 1026 }
AzureIoTClient 42:448eecc3676e 1027
AzureIoTClient 42:448eecc3676e 1028 /* JSON Value API */
AzureIoTClient 42:448eecc3676e 1029 JSON_Value_Type json_value_get_type(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1030 return value ? value->type : JSONError;
AzureIoTClient 42:448eecc3676e 1031 }
AzureIoTClient 42:448eecc3676e 1032
AzureIoTClient 42:448eecc3676e 1033 JSON_Object * json_value_get_object(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1034 return json_value_get_type(value) == JSONObject ? value->value.object : NULL;
AzureIoTClient 42:448eecc3676e 1035 }
AzureIoTClient 42:448eecc3676e 1036
AzureIoTClient 42:448eecc3676e 1037 JSON_Array * json_value_get_array(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1038 return json_value_get_type(value) == JSONArray ? value->value.array : NULL;
AzureIoTClient 42:448eecc3676e 1039 }
AzureIoTClient 42:448eecc3676e 1040
AzureIoTClient 42:448eecc3676e 1041 const char * json_value_get_string(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1042 return json_value_get_type(value) == JSONString ? value->value.string : NULL;
AzureIoTClient 42:448eecc3676e 1043 }
AzureIoTClient 42:448eecc3676e 1044
AzureIoTClient 42:448eecc3676e 1045 double json_value_get_number(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1046 return json_value_get_type(value) == JSONNumber ? value->value.number : 0;
AzureIoTClient 42:448eecc3676e 1047 }
AzureIoTClient 42:448eecc3676e 1048
AzureIoTClient 42:448eecc3676e 1049 int json_value_get_boolean(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1050 return json_value_get_type(value) == JSONBoolean ? value->value.boolean : -1;
AzureIoTClient 42:448eecc3676e 1051 }
AzureIoTClient 42:448eecc3676e 1052
AzureIoTClient 42:448eecc3676e 1053 void json_value_free(JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1054 switch (json_value_get_type(value)) {
AzureIoTClient 42:448eecc3676e 1055 case JSONObject:
AzureIoTClient 42:448eecc3676e 1056 json_object_free(value->value.object);
AzureIoTClient 42:448eecc3676e 1057 break;
AzureIoTClient 42:448eecc3676e 1058 case JSONString:
AzureIoTClient 42:448eecc3676e 1059 if (value->value.string) { parson_free(value->value.string); }
AzureIoTClient 42:448eecc3676e 1060 break;
AzureIoTClient 42:448eecc3676e 1061 case JSONArray:
AzureIoTClient 42:448eecc3676e 1062 json_array_free(value->value.array);
AzureIoTClient 42:448eecc3676e 1063 break;
AzureIoTClient 42:448eecc3676e 1064 default:
AzureIoTClient 42:448eecc3676e 1065 break;
AzureIoTClient 42:448eecc3676e 1066 }
AzureIoTClient 42:448eecc3676e 1067 parson_free(value);
AzureIoTClient 42:448eecc3676e 1068 }
AzureIoTClient 42:448eecc3676e 1069
AzureIoTClient 42:448eecc3676e 1070 JSON_Value * json_value_init_object(void) {
AzureIoTClient 42:448eecc3676e 1071 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 42:448eecc3676e 1072 if (!new_value)
AzureIoTClient 42:448eecc3676e 1073 return NULL;
AzureIoTClient 42:448eecc3676e 1074 new_value->type = JSONObject;
AzureIoTClient 42:448eecc3676e 1075 new_value->value.object = json_object_init();
AzureIoTClient 42:448eecc3676e 1076 if (!new_value->value.object) {
AzureIoTClient 42:448eecc3676e 1077 parson_free(new_value);
AzureIoTClient 42:448eecc3676e 1078 return NULL;
AzureIoTClient 42:448eecc3676e 1079 }
AzureIoTClient 42:448eecc3676e 1080 return new_value;
AzureIoTClient 42:448eecc3676e 1081 }
AzureIoTClient 42:448eecc3676e 1082
AzureIoTClient 42:448eecc3676e 1083 JSON_Value * json_value_init_array(void) {
AzureIoTClient 42:448eecc3676e 1084 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 42:448eecc3676e 1085 if (!new_value)
AzureIoTClient 42:448eecc3676e 1086 return NULL;
AzureIoTClient 42:448eecc3676e 1087 new_value->type = JSONArray;
AzureIoTClient 42:448eecc3676e 1088 new_value->value.array = json_array_init();
AzureIoTClient 42:448eecc3676e 1089 if (!new_value->value.array) {
AzureIoTClient 42:448eecc3676e 1090 parson_free(new_value);
AzureIoTClient 42:448eecc3676e 1091 return NULL;
AzureIoTClient 42:448eecc3676e 1092 }
AzureIoTClient 42:448eecc3676e 1093 return new_value;
AzureIoTClient 42:448eecc3676e 1094 }
AzureIoTClient 42:448eecc3676e 1095
AzureIoTClient 42:448eecc3676e 1096 JSON_Value * json_value_init_string(const char *string) {
AzureIoTClient 42:448eecc3676e 1097 char *copy = NULL;
AzureIoTClient 42:448eecc3676e 1098 JSON_Value *value;
AzureIoTClient 42:448eecc3676e 1099 size_t string_len = 0;
AzureIoTClient 42:448eecc3676e 1100 if (string == NULL)
AzureIoTClient 42:448eecc3676e 1101 return NULL;
AzureIoTClient 42:448eecc3676e 1102 string_len = strlen(string);
AzureIoTClient 42:448eecc3676e 1103 if (!is_valid_utf8(string, string_len))
AzureIoTClient 42:448eecc3676e 1104 return NULL;
AzureIoTClient 42:448eecc3676e 1105 copy = parson_strndup(string, string_len);
AzureIoTClient 42:448eecc3676e 1106 if (copy == NULL)
AzureIoTClient 42:448eecc3676e 1107 return NULL;
AzureIoTClient 42:448eecc3676e 1108 value = json_value_init_string_no_copy(copy);
AzureIoTClient 42:448eecc3676e 1109 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1110 parson_free(copy);
AzureIoTClient 42:448eecc3676e 1111 return value;
AzureIoTClient 42:448eecc3676e 1112 }
AzureIoTClient 42:448eecc3676e 1113
AzureIoTClient 42:448eecc3676e 1114 JSON_Value * json_value_init_number(double number) {
AzureIoTClient 42:448eecc3676e 1115 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 42:448eecc3676e 1116 if (!new_value)
AzureIoTClient 42:448eecc3676e 1117 return NULL;
AzureIoTClient 42:448eecc3676e 1118 new_value->type = JSONNumber;
AzureIoTClient 42:448eecc3676e 1119 new_value->value.number = number;
AzureIoTClient 42:448eecc3676e 1120 return new_value;
AzureIoTClient 42:448eecc3676e 1121 }
AzureIoTClient 42:448eecc3676e 1122
AzureIoTClient 42:448eecc3676e 1123 JSON_Value * json_value_init_boolean(int boolean) {
AzureIoTClient 42:448eecc3676e 1124 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 42:448eecc3676e 1125 if (!new_value)
AzureIoTClient 42:448eecc3676e 1126 return NULL;
AzureIoTClient 42:448eecc3676e 1127 new_value->type = JSONBoolean;
AzureIoTClient 42:448eecc3676e 1128 new_value->value.boolean = boolean ? 1 : 0;
AzureIoTClient 42:448eecc3676e 1129 return new_value;
AzureIoTClient 42:448eecc3676e 1130 }
AzureIoTClient 42:448eecc3676e 1131
AzureIoTClient 42:448eecc3676e 1132 JSON_Value * json_value_init_null(void) {
AzureIoTClient 42:448eecc3676e 1133 JSON_Value *new_value = (JSON_Value*)parson_malloc(sizeof(JSON_Value));
AzureIoTClient 42:448eecc3676e 1134 if (!new_value)
AzureIoTClient 42:448eecc3676e 1135 return NULL;
AzureIoTClient 42:448eecc3676e 1136 new_value->type = JSONNull;
AzureIoTClient 42:448eecc3676e 1137 return new_value;
AzureIoTClient 42:448eecc3676e 1138 }
AzureIoTClient 42:448eecc3676e 1139
AzureIoTClient 42:448eecc3676e 1140 JSON_Value * json_value_deep_copy(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1141 size_t i = 0;
AzureIoTClient 42:448eecc3676e 1142 JSON_Value *return_value = NULL, *temp_value_copy = NULL, *temp_value = NULL;
AzureIoTClient 42:448eecc3676e 1143 const char *temp_string = NULL, *temp_key = NULL;
AzureIoTClient 42:448eecc3676e 1144 char *temp_string_copy = NULL;
AzureIoTClient 42:448eecc3676e 1145 JSON_Array *temp_array = NULL, *temp_array_copy = NULL;
AzureIoTClient 42:448eecc3676e 1146 JSON_Object *temp_object = NULL, *temp_object_copy = NULL;
AzureIoTClient 42:448eecc3676e 1147
AzureIoTClient 42:448eecc3676e 1148 switch (json_value_get_type(value)) {
AzureIoTClient 42:448eecc3676e 1149 case JSONArray:
AzureIoTClient 42:448eecc3676e 1150 temp_array = json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 1151 return_value = json_value_init_array();
AzureIoTClient 42:448eecc3676e 1152 if (return_value == NULL)
AzureIoTClient 42:448eecc3676e 1153 return NULL;
AzureIoTClient 42:448eecc3676e 1154 temp_array_copy = json_value_get_array(return_value);
AzureIoTClient 42:448eecc3676e 1155 for (i = 0; i < json_array_get_count(temp_array); i++) {
AzureIoTClient 42:448eecc3676e 1156 temp_value = json_array_get_value(temp_array, i);
AzureIoTClient 42:448eecc3676e 1157 temp_value_copy = json_value_deep_copy(temp_value);
AzureIoTClient 42:448eecc3676e 1158 if (temp_value_copy == NULL) {
AzureIoTClient 42:448eecc3676e 1159 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1160 return NULL;
AzureIoTClient 42:448eecc3676e 1161 }
AzureIoTClient 42:448eecc3676e 1162 if (json_array_add(temp_array_copy, temp_value_copy) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1163 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1164 json_value_free(temp_value_copy);
AzureIoTClient 42:448eecc3676e 1165 return NULL;
AzureIoTClient 42:448eecc3676e 1166 }
AzureIoTClient 42:448eecc3676e 1167 }
AzureIoTClient 42:448eecc3676e 1168 return return_value;
AzureIoTClient 42:448eecc3676e 1169 case JSONObject:
AzureIoTClient 42:448eecc3676e 1170 temp_object = json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 1171 return_value = json_value_init_object();
AzureIoTClient 42:448eecc3676e 1172 if (return_value == NULL)
AzureIoTClient 42:448eecc3676e 1173 return NULL;
AzureIoTClient 42:448eecc3676e 1174 temp_object_copy = json_value_get_object(return_value);
AzureIoTClient 42:448eecc3676e 1175 for (i = 0; i < json_object_get_count(temp_object); i++) {
AzureIoTClient 42:448eecc3676e 1176 temp_key = json_object_get_name(temp_object, i);
AzureIoTClient 42:448eecc3676e 1177 temp_value = json_object_get_value(temp_object, temp_key);
AzureIoTClient 42:448eecc3676e 1178 temp_value_copy = json_value_deep_copy(temp_value);
AzureIoTClient 42:448eecc3676e 1179 if (temp_value_copy == NULL) {
AzureIoTClient 42:448eecc3676e 1180 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1181 return NULL;
AzureIoTClient 42:448eecc3676e 1182 }
AzureIoTClient 42:448eecc3676e 1183 if (json_object_add(temp_object_copy, temp_key, temp_value_copy) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1184 json_value_free(return_value);
AzureIoTClient 42:448eecc3676e 1185 json_value_free(temp_value_copy);
AzureIoTClient 42:448eecc3676e 1186 return NULL;
AzureIoTClient 42:448eecc3676e 1187 }
AzureIoTClient 42:448eecc3676e 1188 }
AzureIoTClient 42:448eecc3676e 1189 return return_value;
AzureIoTClient 42:448eecc3676e 1190 case JSONBoolean:
AzureIoTClient 42:448eecc3676e 1191 return json_value_init_boolean(json_value_get_boolean(value));
AzureIoTClient 42:448eecc3676e 1192 case JSONNumber:
AzureIoTClient 42:448eecc3676e 1193 return json_value_init_number(json_value_get_number(value));
AzureIoTClient 42:448eecc3676e 1194 case JSONString:
AzureIoTClient 42:448eecc3676e 1195 temp_string = json_value_get_string(value);
AzureIoTClient 42:448eecc3676e 1196 temp_string_copy = parson_strdup(temp_string);
AzureIoTClient 42:448eecc3676e 1197 if (temp_string_copy == NULL)
AzureIoTClient 42:448eecc3676e 1198 return NULL;
AzureIoTClient 42:448eecc3676e 1199 return_value = json_value_init_string_no_copy(temp_string_copy);
AzureIoTClient 42:448eecc3676e 1200 if (return_value == NULL)
AzureIoTClient 42:448eecc3676e 1201 parson_free(temp_string_copy);
AzureIoTClient 42:448eecc3676e 1202 return return_value;
AzureIoTClient 42:448eecc3676e 1203 case JSONNull:
AzureIoTClient 42:448eecc3676e 1204 return json_value_init_null();
AzureIoTClient 42:448eecc3676e 1205 case JSONError:
AzureIoTClient 42:448eecc3676e 1206 return NULL;
AzureIoTClient 42:448eecc3676e 1207 default:
AzureIoTClient 42:448eecc3676e 1208 return NULL;
AzureIoTClient 42:448eecc3676e 1209 }
AzureIoTClient 42:448eecc3676e 1210 }
AzureIoTClient 42:448eecc3676e 1211
AzureIoTClient 42:448eecc3676e 1212 size_t json_serialization_size(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1213 char num_buf[1100]; /* recursively allocating buffer on stack is a bad idea, so let's do it only once */
AzureIoTClient 42:448eecc3676e 1214 int res = json_serialize_to_buffer_r(value, NULL, 0, 0, num_buf);
AzureIoTClient 42:448eecc3676e 1215 return res < 0 ? 0 : (size_t)(res + 1);
AzureIoTClient 42:448eecc3676e 1216 }
AzureIoTClient 42:448eecc3676e 1217
AzureIoTClient 42:448eecc3676e 1218 JSON_Status json_serialize_to_buffer(const JSON_Value *value, char *buf, size_t buf_size_in_bytes) {
AzureIoTClient 42:448eecc3676e 1219 int written = -1;
AzureIoTClient 42:448eecc3676e 1220 size_t needed_size_in_bytes = json_serialization_size(value);
AzureIoTClient 42:448eecc3676e 1221 if (needed_size_in_bytes == 0 || buf_size_in_bytes < needed_size_in_bytes) {
AzureIoTClient 42:448eecc3676e 1222 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1223 }
AzureIoTClient 42:448eecc3676e 1224 written = json_serialize_to_buffer_r(value, buf, 0, 0, NULL);
AzureIoTClient 42:448eecc3676e 1225 if (written < 0)
AzureIoTClient 42:448eecc3676e 1226 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1227 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1228 }
AzureIoTClient 42:448eecc3676e 1229
AzureIoTClient 42:448eecc3676e 1230 JSON_Status json_serialize_to_file(const JSON_Value *value, const char *filename) {
AzureIoTClient 42:448eecc3676e 1231 JSON_Status return_code = JSONSuccess;
AzureIoTClient 42:448eecc3676e 1232 FILE *fp = NULL;
AzureIoTClient 42:448eecc3676e 1233 char *serialized_string = json_serialize_to_string(value);
AzureIoTClient 42:448eecc3676e 1234 if (serialized_string == NULL) {
AzureIoTClient 42:448eecc3676e 1235 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1236 }
AzureIoTClient 42:448eecc3676e 1237 fp = fopen (filename, "w");
AzureIoTClient 42:448eecc3676e 1238 if (fp == NULL) {
AzureIoTClient 42:448eecc3676e 1239 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1240 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1241 }
AzureIoTClient 42:448eecc3676e 1242 if (fputs(serialized_string, fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1243 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1244 }
AzureIoTClient 42:448eecc3676e 1245 if (fclose(fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1246 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1247 }
AzureIoTClient 42:448eecc3676e 1248 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1249 return return_code;
AzureIoTClient 42:448eecc3676e 1250 }
AzureIoTClient 42:448eecc3676e 1251
AzureIoTClient 42:448eecc3676e 1252 char * json_serialize_to_string(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1253 JSON_Status serialization_result = JSONFailure;
AzureIoTClient 42:448eecc3676e 1254 size_t buf_size_bytes = json_serialization_size(value);
AzureIoTClient 42:448eecc3676e 1255 char *buf = NULL;
AzureIoTClient 42:448eecc3676e 1256 if (buf_size_bytes == 0) {
AzureIoTClient 42:448eecc3676e 1257 return NULL;
AzureIoTClient 42:448eecc3676e 1258 }
AzureIoTClient 42:448eecc3676e 1259 buf = (char*)parson_malloc(buf_size_bytes);
AzureIoTClient 42:448eecc3676e 1260 if (buf == NULL)
AzureIoTClient 42:448eecc3676e 1261 return NULL;
AzureIoTClient 42:448eecc3676e 1262 serialization_result = json_serialize_to_buffer(value, buf, buf_size_bytes);
AzureIoTClient 42:448eecc3676e 1263 if (serialization_result == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1264 json_free_serialized_string(buf);
AzureIoTClient 42:448eecc3676e 1265 return NULL;
AzureIoTClient 42:448eecc3676e 1266 }
AzureIoTClient 42:448eecc3676e 1267 return buf;
AzureIoTClient 42:448eecc3676e 1268 }
AzureIoTClient 42:448eecc3676e 1269
AzureIoTClient 42:448eecc3676e 1270 size_t json_serialization_size_pretty(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1271 char num_buf[1100]; /* recursively allocating buffer on stack is a bad idea, so let's do it only once */
AzureIoTClient 42:448eecc3676e 1272 int res = json_serialize_to_buffer_r(value, NULL, 0, 1, num_buf);
AzureIoTClient 42:448eecc3676e 1273 return res < 0 ? 0 : (size_t)(res + 1);
AzureIoTClient 42:448eecc3676e 1274 }
AzureIoTClient 42:448eecc3676e 1275
AzureIoTClient 42:448eecc3676e 1276 JSON_Status json_serialize_to_buffer_pretty(const JSON_Value *value, char *buf, size_t buf_size_in_bytes) {
AzureIoTClient 42:448eecc3676e 1277 int written = -1;
AzureIoTClient 42:448eecc3676e 1278 size_t needed_size_in_bytes = json_serialization_size_pretty(value);
AzureIoTClient 42:448eecc3676e 1279 if (needed_size_in_bytes == 0 || buf_size_in_bytes < needed_size_in_bytes)
AzureIoTClient 42:448eecc3676e 1280 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1281 written = json_serialize_to_buffer_r(value, buf, 0, 1, NULL);
AzureIoTClient 42:448eecc3676e 1282 if (written < 0)
AzureIoTClient 42:448eecc3676e 1283 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1284 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1285 }
AzureIoTClient 42:448eecc3676e 1286
AzureIoTClient 42:448eecc3676e 1287 JSON_Status json_serialize_to_file_pretty(const JSON_Value *value, const char *filename) {
AzureIoTClient 42:448eecc3676e 1288 JSON_Status return_code = JSONSuccess;
AzureIoTClient 42:448eecc3676e 1289 FILE *fp = NULL;
AzureIoTClient 42:448eecc3676e 1290 char *serialized_string = json_serialize_to_string_pretty(value);
AzureIoTClient 42:448eecc3676e 1291 if (serialized_string == NULL) {
AzureIoTClient 42:448eecc3676e 1292 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1293 }
AzureIoTClient 42:448eecc3676e 1294 fp = fopen (filename, "w");
AzureIoTClient 42:448eecc3676e 1295 if (fp == NULL) {
AzureIoTClient 42:448eecc3676e 1296 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1297 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1298 }
AzureIoTClient 42:448eecc3676e 1299 if (fputs(serialized_string, fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1300 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1301 }
AzureIoTClient 42:448eecc3676e 1302 if (fclose(fp) == EOF) {
AzureIoTClient 42:448eecc3676e 1303 return_code = JSONFailure;
AzureIoTClient 42:448eecc3676e 1304 }
AzureIoTClient 42:448eecc3676e 1305 json_free_serialized_string(serialized_string);
AzureIoTClient 42:448eecc3676e 1306 return return_code;
AzureIoTClient 42:448eecc3676e 1307 }
AzureIoTClient 42:448eecc3676e 1308
AzureIoTClient 42:448eecc3676e 1309 char * json_serialize_to_string_pretty(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1310 JSON_Status serialization_result = JSONFailure;
AzureIoTClient 42:448eecc3676e 1311 size_t buf_size_bytes = json_serialization_size_pretty(value);
AzureIoTClient 42:448eecc3676e 1312 char *buf = NULL;
AzureIoTClient 42:448eecc3676e 1313 if (buf_size_bytes == 0) {
AzureIoTClient 42:448eecc3676e 1314 return NULL;
AzureIoTClient 42:448eecc3676e 1315 }
AzureIoTClient 42:448eecc3676e 1316 buf = (char*)parson_malloc(buf_size_bytes);
AzureIoTClient 42:448eecc3676e 1317 if (buf == NULL)
AzureIoTClient 42:448eecc3676e 1318 return NULL;
AzureIoTClient 42:448eecc3676e 1319 serialization_result = json_serialize_to_buffer_pretty(value, buf, buf_size_bytes);
AzureIoTClient 42:448eecc3676e 1320 if (serialization_result == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1321 json_free_serialized_string(buf);
AzureIoTClient 42:448eecc3676e 1322 return NULL;
AzureIoTClient 42:448eecc3676e 1323 }
AzureIoTClient 42:448eecc3676e 1324 return buf;
AzureIoTClient 42:448eecc3676e 1325 }
AzureIoTClient 42:448eecc3676e 1326
AzureIoTClient 42:448eecc3676e 1327 void json_free_serialized_string(char *string) {
AzureIoTClient 42:448eecc3676e 1328 parson_free(string);
AzureIoTClient 42:448eecc3676e 1329 }
AzureIoTClient 42:448eecc3676e 1330
AzureIoTClient 42:448eecc3676e 1331 JSON_Status json_array_remove(JSON_Array *array, size_t ix) {
AzureIoTClient 42:448eecc3676e 1332 JSON_Value *temp_value = NULL;
AzureIoTClient 42:448eecc3676e 1333 size_t last_element_ix = 0;
AzureIoTClient 42:448eecc3676e 1334 if (array == NULL || ix >= json_array_get_count(array)) {
AzureIoTClient 42:448eecc3676e 1335 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1336 }
AzureIoTClient 42:448eecc3676e 1337 last_element_ix = json_array_get_count(array) - 1;
AzureIoTClient 42:448eecc3676e 1338 json_value_free(json_array_get_value(array, ix));
AzureIoTClient 42:448eecc3676e 1339 if (ix != last_element_ix) { /* Replace value with one from the end of array */
AzureIoTClient 42:448eecc3676e 1340 temp_value = json_array_get_value(array, last_element_ix);
AzureIoTClient 42:448eecc3676e 1341 if (temp_value == NULL) {
AzureIoTClient 42:448eecc3676e 1342 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1343 }
AzureIoTClient 42:448eecc3676e 1344 array->items[ix] = temp_value;
AzureIoTClient 42:448eecc3676e 1345 }
AzureIoTClient 42:448eecc3676e 1346 array->count -= 1;
AzureIoTClient 42:448eecc3676e 1347 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1348 }
AzureIoTClient 42:448eecc3676e 1349
AzureIoTClient 42:448eecc3676e 1350 JSON_Status json_array_replace_value(JSON_Array *array, size_t ix, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1351 if (array == NULL || value == NULL || ix >= json_array_get_count(array)) {
AzureIoTClient 42:448eecc3676e 1352 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1353 }
AzureIoTClient 42:448eecc3676e 1354 json_value_free(json_array_get_value(array, ix));
AzureIoTClient 42:448eecc3676e 1355 array->items[ix] = value;
AzureIoTClient 42:448eecc3676e 1356 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1357 }
AzureIoTClient 42:448eecc3676e 1358
AzureIoTClient 42:448eecc3676e 1359 JSON_Status json_array_replace_string(JSON_Array *array, size_t i, const char* string) {
AzureIoTClient 42:448eecc3676e 1360 JSON_Value *value = json_value_init_string(string);
AzureIoTClient 42:448eecc3676e 1361 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1362 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1363 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1364 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1365 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1366 }
AzureIoTClient 42:448eecc3676e 1367 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1368 }
AzureIoTClient 42:448eecc3676e 1369
AzureIoTClient 42:448eecc3676e 1370 JSON_Status json_array_replace_number(JSON_Array *array, size_t i, double number) {
AzureIoTClient 42:448eecc3676e 1371 JSON_Value *value = json_value_init_number(number);
AzureIoTClient 42:448eecc3676e 1372 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1373 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1374 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1375 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1376 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1377 }
AzureIoTClient 42:448eecc3676e 1378 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1379 }
AzureIoTClient 42:448eecc3676e 1380
AzureIoTClient 42:448eecc3676e 1381 JSON_Status json_array_replace_boolean(JSON_Array *array, size_t i, int boolean) {
AzureIoTClient 42:448eecc3676e 1382 JSON_Value *value = json_value_init_boolean(boolean);
AzureIoTClient 42:448eecc3676e 1383 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1384 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1385 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1386 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1387 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1388 }
AzureIoTClient 42:448eecc3676e 1389 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1390 }
AzureIoTClient 42:448eecc3676e 1391
AzureIoTClient 42:448eecc3676e 1392 JSON_Status json_array_replace_null(JSON_Array *array, size_t i) {
AzureIoTClient 42:448eecc3676e 1393 JSON_Value *value = json_value_init_null();
AzureIoTClient 42:448eecc3676e 1394 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1395 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1396 if (json_array_replace_value(array, i, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1397 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1398 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1399 }
AzureIoTClient 42:448eecc3676e 1400 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1401 }
AzureIoTClient 42:448eecc3676e 1402
AzureIoTClient 42:448eecc3676e 1403 JSON_Status json_array_clear(JSON_Array *array) {
AzureIoTClient 42:448eecc3676e 1404 size_t i = 0;
AzureIoTClient 42:448eecc3676e 1405 if (array == NULL)
AzureIoTClient 42:448eecc3676e 1406 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1407 for (i = 0; i < json_array_get_count(array); i++) {
AzureIoTClient 42:448eecc3676e 1408 json_value_free(json_array_get_value(array, i));
AzureIoTClient 42:448eecc3676e 1409 }
AzureIoTClient 42:448eecc3676e 1410 array->count = 0;
AzureIoTClient 42:448eecc3676e 1411 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1412 }
AzureIoTClient 42:448eecc3676e 1413
AzureIoTClient 42:448eecc3676e 1414 JSON_Status json_array_append_value(JSON_Array *array, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1415 if (array == NULL || value == NULL)
AzureIoTClient 42:448eecc3676e 1416 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1417 return json_array_add(array, value);
AzureIoTClient 42:448eecc3676e 1418 }
AzureIoTClient 42:448eecc3676e 1419
AzureIoTClient 42:448eecc3676e 1420 JSON_Status json_array_append_string(JSON_Array *array, const char *string) {
AzureIoTClient 42:448eecc3676e 1421 JSON_Value *value = json_value_init_string(string);
AzureIoTClient 42:448eecc3676e 1422 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1423 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1424 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1425 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1426 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1427 }
AzureIoTClient 42:448eecc3676e 1428 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1429 }
AzureIoTClient 42:448eecc3676e 1430
AzureIoTClient 42:448eecc3676e 1431 JSON_Status json_array_append_number(JSON_Array *array, double number) {
AzureIoTClient 42:448eecc3676e 1432 JSON_Value *value = json_value_init_number(number);
AzureIoTClient 42:448eecc3676e 1433 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1434 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1435 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1436 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1437 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1438 }
AzureIoTClient 42:448eecc3676e 1439 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1440 }
AzureIoTClient 42:448eecc3676e 1441
AzureIoTClient 42:448eecc3676e 1442 JSON_Status json_array_append_boolean(JSON_Array *array, int boolean) {
AzureIoTClient 42:448eecc3676e 1443 JSON_Value *value = json_value_init_boolean(boolean);
AzureIoTClient 42:448eecc3676e 1444 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1445 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1446 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1447 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1448 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1449 }
AzureIoTClient 42:448eecc3676e 1450 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1451 }
AzureIoTClient 42:448eecc3676e 1452
AzureIoTClient 42:448eecc3676e 1453 JSON_Status json_array_append_null(JSON_Array *array) {
AzureIoTClient 42:448eecc3676e 1454 JSON_Value *value = json_value_init_null();
AzureIoTClient 42:448eecc3676e 1455 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1456 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1457 if (json_array_append_value(array, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1458 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1459 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1460 }
AzureIoTClient 42:448eecc3676e 1461 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1462 }
AzureIoTClient 42:448eecc3676e 1463
AzureIoTClient 42:448eecc3676e 1464 JSON_Status json_object_set_value(JSON_Object *object, const char *name, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1465 size_t i = 0;
AzureIoTClient 42:448eecc3676e 1466 JSON_Value *old_value;
AzureIoTClient 42:448eecc3676e 1467 if (object == NULL || name == NULL || value == NULL)
AzureIoTClient 42:448eecc3676e 1468 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1469 old_value = json_object_get_value(object, name);
AzureIoTClient 42:448eecc3676e 1470 if (old_value != NULL) { /* free and overwrite old value */
AzureIoTClient 42:448eecc3676e 1471 json_value_free(old_value);
AzureIoTClient 42:448eecc3676e 1472 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 1473 if (strcmp(object->names[i], name) == 0) {
AzureIoTClient 42:448eecc3676e 1474 object->values[i] = value;
AzureIoTClient 42:448eecc3676e 1475 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1476 }
AzureIoTClient 42:448eecc3676e 1477 }
AzureIoTClient 42:448eecc3676e 1478 }
AzureIoTClient 42:448eecc3676e 1479 /* add new key value pair */
AzureIoTClient 42:448eecc3676e 1480 return json_object_add(object, name, value);
AzureIoTClient 42:448eecc3676e 1481 }
AzureIoTClient 42:448eecc3676e 1482
AzureIoTClient 42:448eecc3676e 1483 JSON_Status json_object_set_string(JSON_Object *object, const char *name, const char *string) {
AzureIoTClient 42:448eecc3676e 1484 return json_object_set_value(object, name, json_value_init_string(string));
AzureIoTClient 42:448eecc3676e 1485 }
AzureIoTClient 42:448eecc3676e 1486
AzureIoTClient 42:448eecc3676e 1487 JSON_Status json_object_set_number(JSON_Object *object, const char *name, double number) {
AzureIoTClient 42:448eecc3676e 1488 return json_object_set_value(object, name, json_value_init_number(number));
AzureIoTClient 42:448eecc3676e 1489 }
AzureIoTClient 42:448eecc3676e 1490
AzureIoTClient 42:448eecc3676e 1491 JSON_Status json_object_set_boolean(JSON_Object *object, const char *name, int boolean) {
AzureIoTClient 42:448eecc3676e 1492 return json_object_set_value(object, name, json_value_init_boolean(boolean));
AzureIoTClient 42:448eecc3676e 1493 }
AzureIoTClient 42:448eecc3676e 1494
AzureIoTClient 42:448eecc3676e 1495 JSON_Status json_object_set_null(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1496 return json_object_set_value(object, name, json_value_init_null());
AzureIoTClient 42:448eecc3676e 1497 }
AzureIoTClient 42:448eecc3676e 1498
AzureIoTClient 42:448eecc3676e 1499 JSON_Status json_object_dotset_value(JSON_Object *object, const char *name, JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1500 const char *dot_pos = NULL;
AzureIoTClient 42:448eecc3676e 1501 char *current_name = NULL;
AzureIoTClient 42:448eecc3676e 1502 JSON_Object *temp_obj = NULL;
AzureIoTClient 42:448eecc3676e 1503 JSON_Value *new_value = NULL;
AzureIoTClient 42:448eecc3676e 1504 if (value == NULL || name == NULL || value == NULL)
AzureIoTClient 42:448eecc3676e 1505 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1506 dot_pos = strchr(name, '.');
AzureIoTClient 42:448eecc3676e 1507 if (dot_pos == NULL) {
AzureIoTClient 42:448eecc3676e 1508 return json_object_set_value(object, name, value);
AzureIoTClient 42:448eecc3676e 1509 } else {
AzureIoTClient 42:448eecc3676e 1510 current_name = parson_strndup(name, dot_pos - name);
AzureIoTClient 42:448eecc3676e 1511 temp_obj = json_object_get_object(object, current_name);
AzureIoTClient 42:448eecc3676e 1512 if (temp_obj == NULL) {
AzureIoTClient 42:448eecc3676e 1513 new_value = json_value_init_object();
AzureIoTClient 42:448eecc3676e 1514 if (new_value == NULL) {
AzureIoTClient 42:448eecc3676e 1515 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1516 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1517 }
AzureIoTClient 42:448eecc3676e 1518 if (json_object_add(object, current_name, new_value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1519 json_value_free(new_value);
AzureIoTClient 42:448eecc3676e 1520 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1521 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1522 }
AzureIoTClient 42:448eecc3676e 1523 temp_obj = json_object_get_object(object, current_name);
AzureIoTClient 42:448eecc3676e 1524 }
AzureIoTClient 42:448eecc3676e 1525 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1526 return json_object_dotset_value(temp_obj, dot_pos + 1, value);
AzureIoTClient 42:448eecc3676e 1527 }
AzureIoTClient 42:448eecc3676e 1528 }
AzureIoTClient 42:448eecc3676e 1529
AzureIoTClient 42:448eecc3676e 1530 JSON_Status json_object_dotset_string(JSON_Object *object, const char *name, const char *string) {
AzureIoTClient 42:448eecc3676e 1531 JSON_Value *value = json_value_init_string(string);
AzureIoTClient 42:448eecc3676e 1532 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1533 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1534 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1535 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1536 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1537 }
AzureIoTClient 42:448eecc3676e 1538 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1539 }
AzureIoTClient 42:448eecc3676e 1540
AzureIoTClient 42:448eecc3676e 1541 JSON_Status json_object_dotset_number(JSON_Object *object, const char *name, double number) {
AzureIoTClient 42:448eecc3676e 1542 JSON_Value *value = json_value_init_number(number);
AzureIoTClient 42:448eecc3676e 1543 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1544 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1545 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1546 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1547 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1548 }
AzureIoTClient 42:448eecc3676e 1549 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1550 }
AzureIoTClient 42:448eecc3676e 1551
AzureIoTClient 42:448eecc3676e 1552 JSON_Status json_object_dotset_boolean(JSON_Object *object, const char *name, int boolean) {
AzureIoTClient 42:448eecc3676e 1553 JSON_Value *value = json_value_init_boolean(boolean);
AzureIoTClient 42:448eecc3676e 1554 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1555 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1556 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1557 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1558 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1559 }
AzureIoTClient 42:448eecc3676e 1560 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1561 }
AzureIoTClient 42:448eecc3676e 1562
AzureIoTClient 42:448eecc3676e 1563 JSON_Status json_object_dotset_null(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1564 JSON_Value *value = json_value_init_null();
AzureIoTClient 42:448eecc3676e 1565 if (value == NULL)
AzureIoTClient 42:448eecc3676e 1566 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1567 if (json_object_dotset_value(object, name, value) == JSONFailure) {
AzureIoTClient 42:448eecc3676e 1568 json_value_free(value);
AzureIoTClient 42:448eecc3676e 1569 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1570 }
AzureIoTClient 42:448eecc3676e 1571 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1572 }
AzureIoTClient 42:448eecc3676e 1573
AzureIoTClient 42:448eecc3676e 1574 JSON_Status json_object_remove(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1575 size_t i = 0, last_item_index = 0;
AzureIoTClient 42:448eecc3676e 1576 if (object == NULL || json_object_get_value(object, name) == NULL)
AzureIoTClient 42:448eecc3676e 1577 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1578 last_item_index = json_object_get_count(object) - 1;
AzureIoTClient 42:448eecc3676e 1579 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 1580 if (strcmp(object->names[i], name) == 0) {
AzureIoTClient 42:448eecc3676e 1581 parson_free(object->names[i]);
AzureIoTClient 42:448eecc3676e 1582 json_value_free(object->values[i]);
AzureIoTClient 42:448eecc3676e 1583 if (i != last_item_index) { /* Replace key value pair with one from the end */
AzureIoTClient 42:448eecc3676e 1584 object->names[i] = object->names[last_item_index];
AzureIoTClient 42:448eecc3676e 1585 object->values[i] = object->values[last_item_index];
AzureIoTClient 42:448eecc3676e 1586 }
AzureIoTClient 42:448eecc3676e 1587 object->count -= 1;
AzureIoTClient 42:448eecc3676e 1588 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1589 }
AzureIoTClient 42:448eecc3676e 1590 }
AzureIoTClient 42:448eecc3676e 1591 return JSONFailure; /* No execution path should end here */
AzureIoTClient 42:448eecc3676e 1592 }
AzureIoTClient 42:448eecc3676e 1593
AzureIoTClient 42:448eecc3676e 1594 JSON_Status json_object_dotremove(JSON_Object *object, const char *name) {
AzureIoTClient 42:448eecc3676e 1595 const char *dot_pos = strchr(name, '.');
AzureIoTClient 42:448eecc3676e 1596 char *current_name = NULL;
AzureIoTClient 42:448eecc3676e 1597 JSON_Object *temp_obj = NULL;
AzureIoTClient 42:448eecc3676e 1598 if (dot_pos == NULL) {
AzureIoTClient 42:448eecc3676e 1599 return json_object_remove(object, name);
AzureIoTClient 42:448eecc3676e 1600 } else {
AzureIoTClient 42:448eecc3676e 1601 current_name = parson_strndup(name, dot_pos - name);
AzureIoTClient 42:448eecc3676e 1602 temp_obj = json_object_get_object(object, current_name);
AzureIoTClient 42:448eecc3676e 1603 if (temp_obj == NULL) {
AzureIoTClient 42:448eecc3676e 1604 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1605 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1606 }
AzureIoTClient 42:448eecc3676e 1607 parson_free(current_name);
AzureIoTClient 42:448eecc3676e 1608 return json_object_dotremove(temp_obj, dot_pos + 1);
AzureIoTClient 42:448eecc3676e 1609 }
AzureIoTClient 42:448eecc3676e 1610 }
AzureIoTClient 42:448eecc3676e 1611
AzureIoTClient 42:448eecc3676e 1612 JSON_Status json_object_clear(JSON_Object *object) {
AzureIoTClient 42:448eecc3676e 1613 size_t i = 0;
AzureIoTClient 42:448eecc3676e 1614 if (object == NULL) {
AzureIoTClient 42:448eecc3676e 1615 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1616 }
AzureIoTClient 42:448eecc3676e 1617 for (i = 0; i < json_object_get_count(object); i++) {
AzureIoTClient 42:448eecc3676e 1618 parson_free(object->names[i]);
AzureIoTClient 42:448eecc3676e 1619 json_value_free(object->values[i]);
AzureIoTClient 42:448eecc3676e 1620 }
AzureIoTClient 42:448eecc3676e 1621 object->count = 0;
AzureIoTClient 42:448eecc3676e 1622 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1623 }
AzureIoTClient 42:448eecc3676e 1624
AzureIoTClient 42:448eecc3676e 1625 JSON_Status json_validate(const JSON_Value *schema, const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1626 JSON_Value *temp_schema_value = NULL, *temp_value = NULL;
AzureIoTClient 42:448eecc3676e 1627 JSON_Array *schema_array = NULL, *value_array = NULL;
AzureIoTClient 42:448eecc3676e 1628 JSON_Object *schema_object = NULL, *value_object = NULL;
AzureIoTClient 42:448eecc3676e 1629 JSON_Value_Type schema_type = JSONError, value_type = JSONError;
AzureIoTClient 42:448eecc3676e 1630 const char *key = NULL;
AzureIoTClient 42:448eecc3676e 1631 size_t i = 0, count = 0;
AzureIoTClient 42:448eecc3676e 1632 if (schema == NULL || value == NULL)
AzureIoTClient 42:448eecc3676e 1633 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1634 schema_type = json_value_get_type(schema);
AzureIoTClient 42:448eecc3676e 1635 value_type = json_value_get_type(value);
AzureIoTClient 42:448eecc3676e 1636 if (schema_type != value_type && schema_type != JSONNull) /* null represents all values */
AzureIoTClient 42:448eecc3676e 1637 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1638 switch (schema_type) {
AzureIoTClient 42:448eecc3676e 1639 case JSONArray:
AzureIoTClient 42:448eecc3676e 1640 schema_array = json_value_get_array(schema);
AzureIoTClient 42:448eecc3676e 1641 value_array = json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 1642 count = json_array_get_count(schema_array);
AzureIoTClient 42:448eecc3676e 1643 if (count == 0)
AzureIoTClient 42:448eecc3676e 1644 return JSONSuccess; /* Empty array allows all types */
AzureIoTClient 42:448eecc3676e 1645 /* Get first value from array, rest is ignored */
AzureIoTClient 42:448eecc3676e 1646 temp_schema_value = json_array_get_value(schema_array, 0);
AzureIoTClient 42:448eecc3676e 1647 for (i = 0; i < json_array_get_count(value_array); i++) {
AzureIoTClient 42:448eecc3676e 1648 temp_value = json_array_get_value(value_array, i);
AzureIoTClient 42:448eecc3676e 1649 if (json_validate(temp_schema_value, temp_value) == 0) {
AzureIoTClient 42:448eecc3676e 1650 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1651 }
AzureIoTClient 42:448eecc3676e 1652 }
AzureIoTClient 42:448eecc3676e 1653 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1654 case JSONObject:
AzureIoTClient 42:448eecc3676e 1655 schema_object = json_value_get_object(schema);
AzureIoTClient 42:448eecc3676e 1656 value_object = json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 1657 count = json_object_get_count(schema_object);
AzureIoTClient 42:448eecc3676e 1658 if (count == 0)
AzureIoTClient 42:448eecc3676e 1659 return JSONSuccess; /* Empty object allows all objects */
AzureIoTClient 42:448eecc3676e 1660 else if (json_object_get_count(value_object) < count)
AzureIoTClient 42:448eecc3676e 1661 return JSONFailure; /* Tested object mustn't have less name-value pairs than schema */
AzureIoTClient 42:448eecc3676e 1662 for (i = 0; i < count; i++) {
AzureIoTClient 42:448eecc3676e 1663 key = json_object_get_name(schema_object, i);
AzureIoTClient 42:448eecc3676e 1664 temp_schema_value = json_object_get_value(schema_object, key);
AzureIoTClient 42:448eecc3676e 1665 temp_value = json_object_get_value(value_object, key);
AzureIoTClient 42:448eecc3676e 1666 if (temp_value == NULL)
AzureIoTClient 42:448eecc3676e 1667 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1668 if (json_validate(temp_schema_value, temp_value) == JSONFailure)
AzureIoTClient 42:448eecc3676e 1669 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1670 }
AzureIoTClient 42:448eecc3676e 1671 return JSONSuccess;
AzureIoTClient 42:448eecc3676e 1672 case JSONString: case JSONNumber: case JSONBoolean: case JSONNull:
AzureIoTClient 42:448eecc3676e 1673 return JSONSuccess; /* equality already tested before switch */
AzureIoTClient 42:448eecc3676e 1674 case JSONError: default:
AzureIoTClient 42:448eecc3676e 1675 return JSONFailure;
AzureIoTClient 42:448eecc3676e 1676 }
AzureIoTClient 42:448eecc3676e 1677 }
AzureIoTClient 42:448eecc3676e 1678
AzureIoTClient 42:448eecc3676e 1679 JSON_Status json_value_equals(const JSON_Value *a, const JSON_Value *b) {
AzureIoTClient 42:448eecc3676e 1680 JSON_Object *a_object = NULL, *b_object = NULL;
AzureIoTClient 42:448eecc3676e 1681 JSON_Array *a_array = NULL, *b_array = NULL;
AzureIoTClient 42:448eecc3676e 1682 const char *a_string = NULL, *b_string = NULL;
AzureIoTClient 42:448eecc3676e 1683 const char *key = NULL;
AzureIoTClient 42:448eecc3676e 1684 size_t a_count = 0, b_count = 0, i = 0;
AzureIoTClient 42:448eecc3676e 1685 JSON_Value_Type a_type, b_type;
AzureIoTClient 42:448eecc3676e 1686 a_type = json_value_get_type(a);
AzureIoTClient 42:448eecc3676e 1687 b_type = json_value_get_type(b);
AzureIoTClient 42:448eecc3676e 1688 if (a_type != b_type) {
AzureIoTClient 42:448eecc3676e 1689 return 0;
AzureIoTClient 42:448eecc3676e 1690 }
AzureIoTClient 42:448eecc3676e 1691 switch (a_type) {
AzureIoTClient 42:448eecc3676e 1692 case JSONArray:
AzureIoTClient 42:448eecc3676e 1693 a_array = json_value_get_array(a);
AzureIoTClient 42:448eecc3676e 1694 b_array = json_value_get_array(b);
AzureIoTClient 42:448eecc3676e 1695 a_count = json_array_get_count(a_array);
AzureIoTClient 42:448eecc3676e 1696 b_count = json_array_get_count(b_array);
AzureIoTClient 42:448eecc3676e 1697 if (a_count != b_count) {
AzureIoTClient 42:448eecc3676e 1698 return 0;
AzureIoTClient 42:448eecc3676e 1699 }
AzureIoTClient 42:448eecc3676e 1700 for (i = 0; i < a_count; i++) {
AzureIoTClient 42:448eecc3676e 1701 if (!json_value_equals(json_array_get_value(a_array, i),
AzureIoTClient 42:448eecc3676e 1702 json_array_get_value(b_array, i))) {
AzureIoTClient 42:448eecc3676e 1703 return 0;
AzureIoTClient 42:448eecc3676e 1704 }
AzureIoTClient 42:448eecc3676e 1705 }
AzureIoTClient 42:448eecc3676e 1706 return 1;
AzureIoTClient 42:448eecc3676e 1707 case JSONObject:
AzureIoTClient 42:448eecc3676e 1708 a_object = json_value_get_object(a);
AzureIoTClient 42:448eecc3676e 1709 b_object = json_value_get_object(b);
AzureIoTClient 42:448eecc3676e 1710 a_count = json_object_get_count(a_object);
AzureIoTClient 42:448eecc3676e 1711 b_count = json_object_get_count(b_object);
AzureIoTClient 42:448eecc3676e 1712 if (a_count != b_count) {
AzureIoTClient 42:448eecc3676e 1713 return 0;
AzureIoTClient 42:448eecc3676e 1714 }
AzureIoTClient 42:448eecc3676e 1715 for (i = 0; i < a_count; i++) {
AzureIoTClient 42:448eecc3676e 1716 key = json_object_get_name(a_object, i);
AzureIoTClient 42:448eecc3676e 1717 if (!json_value_equals(json_object_get_value(a_object, key),
AzureIoTClient 42:448eecc3676e 1718 json_object_get_value(b_object, key))) {
AzureIoTClient 42:448eecc3676e 1719 return 0;
AzureIoTClient 42:448eecc3676e 1720 }
AzureIoTClient 42:448eecc3676e 1721 }
AzureIoTClient 42:448eecc3676e 1722 return 1;
AzureIoTClient 42:448eecc3676e 1723 case JSONString:
AzureIoTClient 42:448eecc3676e 1724 a_string = json_value_get_string(a);
AzureIoTClient 42:448eecc3676e 1725 b_string = json_value_get_string(b);
AzureIoTClient 42:448eecc3676e 1726 return strcmp(a_string, b_string) == 0;
AzureIoTClient 42:448eecc3676e 1727 case JSONBoolean:
AzureIoTClient 42:448eecc3676e 1728 return json_value_get_boolean(a) == json_value_get_boolean(b);
AzureIoTClient 42:448eecc3676e 1729 case JSONNumber:
AzureIoTClient 42:448eecc3676e 1730 return fabs(json_value_get_number(a) - json_value_get_number(b)) < 0.000001; /* EPSILON */
AzureIoTClient 42:448eecc3676e 1731 case JSONError:
AzureIoTClient 42:448eecc3676e 1732 return 1;
AzureIoTClient 42:448eecc3676e 1733 case JSONNull:
AzureIoTClient 42:448eecc3676e 1734 return 1;
AzureIoTClient 42:448eecc3676e 1735 default:
AzureIoTClient 42:448eecc3676e 1736 return 1;
AzureIoTClient 42:448eecc3676e 1737 }
AzureIoTClient 42:448eecc3676e 1738 }
AzureIoTClient 42:448eecc3676e 1739
AzureIoTClient 42:448eecc3676e 1740 JSON_Value_Type json_type(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1741 return json_value_get_type(value);
AzureIoTClient 42:448eecc3676e 1742 }
AzureIoTClient 42:448eecc3676e 1743
AzureIoTClient 42:448eecc3676e 1744 JSON_Object * json_object (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1745 return json_value_get_object(value);
AzureIoTClient 42:448eecc3676e 1746 }
AzureIoTClient 42:448eecc3676e 1747
AzureIoTClient 42:448eecc3676e 1748 JSON_Array * json_array (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1749 return json_value_get_array(value);
AzureIoTClient 42:448eecc3676e 1750 }
AzureIoTClient 42:448eecc3676e 1751
AzureIoTClient 42:448eecc3676e 1752 const char * json_string (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1753 return json_value_get_string(value);
AzureIoTClient 42:448eecc3676e 1754 }
AzureIoTClient 42:448eecc3676e 1755
AzureIoTClient 42:448eecc3676e 1756 double json_number (const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1757 return json_value_get_number(value);
AzureIoTClient 42:448eecc3676e 1758 }
AzureIoTClient 42:448eecc3676e 1759
AzureIoTClient 42:448eecc3676e 1760 int json_boolean(const JSON_Value *value) {
AzureIoTClient 42:448eecc3676e 1761 return json_value_get_boolean(value);
AzureIoTClient 42:448eecc3676e 1762 }
AzureIoTClient 42:448eecc3676e 1763
AzureIoTClient 42:448eecc3676e 1764 void json_set_allocation_functions(JSON_Malloc_Function malloc_fun, JSON_Free_Function free_fun) {
AzureIoTClient 42:448eecc3676e 1765 parson_malloc = malloc_fun;
AzureIoTClient 42:448eecc3676e 1766 parson_free = free_fun;
AzureIoTClient 42:448eecc3676e 1767 }