Azure IoT / azure_c_shared_utility

Azure IoT common library

Dependents:   STM32F746_iothub_client_sample_mqtt f767zi_mqtt iothub_client_sample_amqp iothub_client_sample_http ... more

map.c@0:fa2de1b79154, 2016-04-08 (annotated)

Committer:
Azure.IoT Build
Date:
Fri Apr 08 12:01:36 2016 -0700
Revision:
0:fa2de1b79154
Child:
1:9190c0f4d23a
1.0.4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Azure.IoT Build 0:fa2de1b79154 1 // Copyright (c) Microsoft. All rights reserved.
Azure.IoT Build 0:fa2de1b79154 2 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
Azure.IoT Build 0:fa2de1b79154 3
Azure.IoT Build 0:fa2de1b79154 4 #include <stdlib.h>
Azure.IoT Build 0:fa2de1b79154 5 #ifdef _CRTDBG_MAP_ALLOC
Azure.IoT Build 0:fa2de1b79154 6 #include <crtdbg.h>
Azure.IoT Build 0:fa2de1b79154 7 #endif
Azure.IoT Build 0:fa2de1b79154 8
Azure.IoT Build 0:fa2de1b79154 9 #include "azure_c_shared_utility/gballoc.h"
Azure.IoT Build 0:fa2de1b79154 10 #include "azure_c_shared_utility/map.h"
Azure.IoT Build 0:fa2de1b79154 11 #include "azure_c_shared_utility/iot_logging.h"
Azure.IoT Build 0:fa2de1b79154 12 #include "azure_c_shared_utility/strings.h"
Azure.IoT Build 0:fa2de1b79154 13
Azure.IoT Build 0:fa2de1b79154 14 DEFINE_ENUM_STRINGS(MAP_RESULT, MAP_RESULT_VALUES);
Azure.IoT Build 0:fa2de1b79154 15
Azure.IoT Build 0:fa2de1b79154 16 typedef struct MAP_HANDLE_DATA_TAG
Azure.IoT Build 0:fa2de1b79154 17 {
Azure.IoT Build 0:fa2de1b79154 18 char** keys;
Azure.IoT Build 0:fa2de1b79154 19 char** values;
Azure.IoT Build 0:fa2de1b79154 20 size_t count;
Azure.IoT Build 0:fa2de1b79154 21 MAP_FILTER_CALLBACK mapFilterCallback;
Azure.IoT Build 0:fa2de1b79154 22 }MAP_HANDLE_DATA;
Azure.IoT Build 0:fa2de1b79154 23
Azure.IoT Build 0:fa2de1b79154 24 #define LOG_MAP_ERROR LogError("result = %s\r\n", ENUM_TO_STRING(MAP_RESULT, result));
Azure.IoT Build 0:fa2de1b79154 25
Azure.IoT Build 0:fa2de1b79154 26 MAP_HANDLE Map_Create(MAP_FILTER_CALLBACK mapFilterFunc)
Azure.IoT Build 0:fa2de1b79154 27 {
Azure.IoT Build 0:fa2de1b79154 28 /*Codes_SRS_MAP_02_001: [Map_Create shall create a new, empty map.]*/
Azure.IoT Build 0:fa2de1b79154 29 MAP_HANDLE_DATA* result = (MAP_HANDLE_DATA*)malloc(sizeof(MAP_HANDLE_DATA));
Azure.IoT Build 0:fa2de1b79154 30 /*Codes_SRS_MAP_02_002: [If during creation there are any error, then Map_Create shall return NULL.]*/
Azure.IoT Build 0:fa2de1b79154 31 if (result != NULL)
Azure.IoT Build 0:fa2de1b79154 32 {
Azure.IoT Build 0:fa2de1b79154 33 /*Codes_SRS_MAP_02_003: [Otherwise, it shall return a non-NULL handle that can be used in subsequent calls.] */
Azure.IoT Build 0:fa2de1b79154 34 result->keys = NULL;
Azure.IoT Build 0:fa2de1b79154 35 result->values = NULL;
Azure.IoT Build 0:fa2de1b79154 36 result->count = 0;
Azure.IoT Build 0:fa2de1b79154 37 result->mapFilterCallback = mapFilterFunc;
Azure.IoT Build 0:fa2de1b79154 38 }
Azure.IoT Build 0:fa2de1b79154 39 return (MAP_HANDLE)result;
Azure.IoT Build 0:fa2de1b79154 40 }
Azure.IoT Build 0:fa2de1b79154 41
Azure.IoT Build 0:fa2de1b79154 42 void Map_Destroy(MAP_HANDLE handle)
Azure.IoT Build 0:fa2de1b79154 43 {
Azure.IoT Build 0:fa2de1b79154 44 /*Codes_SRS_MAP_02_005: [If parameter handle is NULL then Map_Destroy shall take no action.] */
Azure.IoT Build 0:fa2de1b79154 45 if (handle != NULL)
Azure.IoT Build 0:fa2de1b79154 46 {
Azure.IoT Build 0:fa2de1b79154 47 /*Codes_SRS_MAP_02_004: [Map_Destroy shall release all resources associated with the map.] */
Azure.IoT Build 0:fa2de1b79154 48 MAP_HANDLE_DATA* handleData = (MAP_HANDLE_DATA*)handle;
Azure.IoT Build 0:fa2de1b79154 49 size_t i;
Azure.IoT Build 0:fa2de1b79154 50
Azure.IoT Build 0:fa2de1b79154 51 for (i = 0; i < handleData->count; i++)
Azure.IoT Build 0:fa2de1b79154 52 {
Azure.IoT Build 0:fa2de1b79154 53 free(handleData->keys[i]);
Azure.IoT Build 0:fa2de1b79154 54 free(handleData->values[i]);
Azure.IoT Build 0:fa2de1b79154 55 }
Azure.IoT Build 0:fa2de1b79154 56 free(handleData->keys);
Azure.IoT Build 0:fa2de1b79154 57 free(handleData->values);
Azure.IoT Build 0:fa2de1b79154 58 free(handleData);
Azure.IoT Build 0:fa2de1b79154 59 }
Azure.IoT Build 0:fa2de1b79154 60 }
Azure.IoT Build 0:fa2de1b79154 61
Azure.IoT Build 0:fa2de1b79154 62 /*makes a copy of a vector of const char*, having size "size". source cannot be NULL*/
Azure.IoT Build 0:fa2de1b79154 63 /*returns NULL if it fails*/
Azure.IoT Build 0:fa2de1b79154 64 static char** Map_CloneVector(const char*const * source, size_t count)
Azure.IoT Build 0:fa2de1b79154 65 {
Azure.IoT Build 0:fa2de1b79154 66 char** result;
Azure.IoT Build 0:fa2de1b79154 67 result = (char**)malloc(count *sizeof(char*));
Azure.IoT Build 0:fa2de1b79154 68 if (result == NULL)
Azure.IoT Build 0:fa2de1b79154 69 {
Azure.IoT Build 0:fa2de1b79154 70 /*do nothing, just return it (NULL)*/
Azure.IoT Build 0:fa2de1b79154 71 }
Azure.IoT Build 0:fa2de1b79154 72 else
Azure.IoT Build 0:fa2de1b79154 73 {
Azure.IoT Build 0:fa2de1b79154 74 size_t i;
Azure.IoT Build 0:fa2de1b79154 75 for (i = 0; i < count; i++)
Azure.IoT Build 0:fa2de1b79154 76 {
Azure.IoT Build 0:fa2de1b79154 77 if (mallocAndStrcpy_s(result + i, source[i]) != 0)
Azure.IoT Build 0:fa2de1b79154 78 {
Azure.IoT Build 0:fa2de1b79154 79 break;
Azure.IoT Build 0:fa2de1b79154 80 }
Azure.IoT Build 0:fa2de1b79154 81 }
Azure.IoT Build 0:fa2de1b79154 82
Azure.IoT Build 0:fa2de1b79154 83 if (i == count)
Azure.IoT Build 0:fa2de1b79154 84 {
Azure.IoT Build 0:fa2de1b79154 85 /*it is all good, proceed to return result*/
Azure.IoT Build 0:fa2de1b79154 86 }
Azure.IoT Build 0:fa2de1b79154 87 else
Azure.IoT Build 0:fa2de1b79154 88 {
Azure.IoT Build 0:fa2de1b79154 89 size_t j;
Azure.IoT Build 0:fa2de1b79154 90 for (j = 0; j < i; j++)
Azure.IoT Build 0:fa2de1b79154 91 {
Azure.IoT Build 0:fa2de1b79154 92 free(result[j]);
Azure.IoT Build 0:fa2de1b79154 93 }
Azure.IoT Build 0:fa2de1b79154 94 free(result);
Azure.IoT Build 0:fa2de1b79154 95 result = NULL;
Azure.IoT Build 0:fa2de1b79154 96 }
Azure.IoT Build 0:fa2de1b79154 97 }
Azure.IoT Build 0:fa2de1b79154 98 return result;
Azure.IoT Build 0:fa2de1b79154 99 }
Azure.IoT Build 0:fa2de1b79154 100
Azure.IoT Build 0:fa2de1b79154 101 /*Codes_SRS_MAP_02_039: [Map_Clone shall make a copy of the map indicated by parameter handle and return a non-NULL handle to it.]*/
Azure.IoT Build 0:fa2de1b79154 102 MAP_HANDLE Map_Clone(MAP_HANDLE handle)
Azure.IoT Build 0:fa2de1b79154 103 {
Azure.IoT Build 0:fa2de1b79154 104 MAP_HANDLE_DATA* result;
Azure.IoT Build 0:fa2de1b79154 105 if (handle == NULL)
Azure.IoT Build 0:fa2de1b79154 106 {
Azure.IoT Build 0:fa2de1b79154 107 /*Codes_SRS_MAP_02_038: [Map_Clone returns NULL if parameter handle is NULL.]*/
Azure.IoT Build 0:fa2de1b79154 108 result = NULL;
Azure.IoT Build 0:fa2de1b79154 109 LogError("invalid arg to Map_Clone (NULL)\r\n");
Azure.IoT Build 0:fa2de1b79154 110 }
Azure.IoT Build 0:fa2de1b79154 111 else
Azure.IoT Build 0:fa2de1b79154 112 {
Azure.IoT Build 0:fa2de1b79154 113 MAP_HANDLE_DATA * handleData = (MAP_HANDLE_DATA *)handle;
Azure.IoT Build 0:fa2de1b79154 114 result = (MAP_HANDLE_DATA*)malloc(sizeof(MAP_HANDLE_DATA));
Azure.IoT Build 0:fa2de1b79154 115 if (result == NULL)
Azure.IoT Build 0:fa2de1b79154 116 {
Azure.IoT Build 0:fa2de1b79154 117 /*Codes_SRS_MAP_02_047: [If during cloning, any operation fails, then Map_Clone shall return NULL.] */
Azure.IoT Build 0:fa2de1b79154 118 /*do nothing, proceed to return it, this is an error case*/
Azure.IoT Build 0:fa2de1b79154 119 LogError("unable to malloc\r\n");
Azure.IoT Build 0:fa2de1b79154 120 }
Azure.IoT Build 0:fa2de1b79154 121 else
Azure.IoT Build 0:fa2de1b79154 122 {
Azure.IoT Build 0:fa2de1b79154 123 if (handleData->count == 0)
Azure.IoT Build 0:fa2de1b79154 124 {
Azure.IoT Build 0:fa2de1b79154 125 result->count = 0;
Azure.IoT Build 0:fa2de1b79154 126 result->keys = NULL;
Azure.IoT Build 0:fa2de1b79154 127 result->values = NULL;
Azure.IoT Build 0:fa2de1b79154 128 result->mapFilterCallback = NULL;
Azure.IoT Build 0:fa2de1b79154 129 }
Azure.IoT Build 0:fa2de1b79154 130 else
Azure.IoT Build 0:fa2de1b79154 131 {
Azure.IoT Build 0:fa2de1b79154 132 result->mapFilterCallback = handleData->mapFilterCallback;
Azure.IoT Build 0:fa2de1b79154 133 result->count = handleData->count;
Azure.IoT Build 0:fa2de1b79154 134 if( (result->keys = Map_CloneVector((const char* const*)handleData->keys, handleData->count))==NULL)
Azure.IoT Build 0:fa2de1b79154 135 {
Azure.IoT Build 0:fa2de1b79154 136 /*Codes_SRS_MAP_02_047: [If during cloning, any operation fails, then Map_Clone shall return NULL.] */
Azure.IoT Build 0:fa2de1b79154 137 LogError("unable to clone keys\r\n");
Azure.IoT Build 0:fa2de1b79154 138 free(result);
Azure.IoT Build 0:fa2de1b79154 139 result = NULL;
Azure.IoT Build 0:fa2de1b79154 140 }
Azure.IoT Build 0:fa2de1b79154 141 else if ((result->values = Map_CloneVector((const char* const*)handleData->values, handleData->count)) == NULL)
Azure.IoT Build 0:fa2de1b79154 142 {
Azure.IoT Build 0:fa2de1b79154 143 /*Codes_SRS_MAP_02_047: [If during cloning, any operation fails, then Map_Clone shall return NULL.] */
Azure.IoT Build 0:fa2de1b79154 144 LogError("unable to clone values\r\n");
Azure.IoT Build 0:fa2de1b79154 145 size_t i;
Azure.IoT Build 0:fa2de1b79154 146 for (i = 0; i < result->count; i++)
Azure.IoT Build 0:fa2de1b79154 147 {
Azure.IoT Build 0:fa2de1b79154 148 free(result->keys[i]);
Azure.IoT Build 0:fa2de1b79154 149 }
Azure.IoT Build 0:fa2de1b79154 150 free(result->keys);
Azure.IoT Build 0:fa2de1b79154 151 free(result);
Azure.IoT Build 0:fa2de1b79154 152 result = NULL;
Azure.IoT Build 0:fa2de1b79154 153 }
Azure.IoT Build 0:fa2de1b79154 154 else
Azure.IoT Build 0:fa2de1b79154 155 {
Azure.IoT Build 0:fa2de1b79154 156 /*all fine, return it*/
Azure.IoT Build 0:fa2de1b79154 157 }
Azure.IoT Build 0:fa2de1b79154 158 }
Azure.IoT Build 0:fa2de1b79154 159 }
Azure.IoT Build 0:fa2de1b79154 160 }
Azure.IoT Build 0:fa2de1b79154 161 return (MAP_HANDLE)result;
Azure.IoT Build 0:fa2de1b79154 162 }
Azure.IoT Build 0:fa2de1b79154 163
Azure.IoT Build 0:fa2de1b79154 164 static int Map_IncreaseStorageKeysValues(MAP_HANDLE_DATA* handleData)
Azure.IoT Build 0:fa2de1b79154 165 {
Azure.IoT Build 0:fa2de1b79154 166 int result;
Azure.IoT Build 0:fa2de1b79154 167 char** newKeys = (char**)realloc(handleData->keys, (handleData->count + 1) * sizeof(char*));
Azure.IoT Build 0:fa2de1b79154 168 if (newKeys == NULL)
Azure.IoT Build 0:fa2de1b79154 169 {
Azure.IoT Build 0:fa2de1b79154 170 LogError("realloc error\r\n");
Azure.IoT Build 0:fa2de1b79154 171 result = __LINE__;
Azure.IoT Build 0:fa2de1b79154 172 }
Azure.IoT Build 0:fa2de1b79154 173 else
Azure.IoT Build 0:fa2de1b79154 174 {
Azure.IoT Build 0:fa2de1b79154 175 char** newValues;
Azure.IoT Build 0:fa2de1b79154 176 handleData->keys = newKeys;
Azure.IoT Build 0:fa2de1b79154 177 handleData->keys[handleData->count] = NULL;
Azure.IoT Build 0:fa2de1b79154 178 newValues = (char**)realloc(handleData->values, (handleData->count + 1) * sizeof(char*));
Azure.IoT Build 0:fa2de1b79154 179 if (newValues == NULL)
Azure.IoT Build 0:fa2de1b79154 180 {
Azure.IoT Build 0:fa2de1b79154 181 LogError("realloc error\r\n");
Azure.IoT Build 0:fa2de1b79154 182 if (handleData->count == 0) /*avoiding an implementation defined behavior */
Azure.IoT Build 0:fa2de1b79154 183 {
Azure.IoT Build 0:fa2de1b79154 184 free(handleData->keys);
Azure.IoT Build 0:fa2de1b79154 185 handleData->keys = NULL;
Azure.IoT Build 0:fa2de1b79154 186 }
Azure.IoT Build 0:fa2de1b79154 187 else
Azure.IoT Build 0:fa2de1b79154 188 {
Azure.IoT Build 0:fa2de1b79154 189 char** undoneKeys = (char**)realloc(handleData->keys, (handleData->count) * sizeof(char*));
Azure.IoT Build 0:fa2de1b79154 190 if (undoneKeys == NULL)
Azure.IoT Build 0:fa2de1b79154 191 {
Azure.IoT Build 0:fa2de1b79154 192 LogError("CATASTROPHIC error, unable to undo through realloc to a smaller size\r\n");
Azure.IoT Build 0:fa2de1b79154 193 }
Azure.IoT Build 0:fa2de1b79154 194 else
Azure.IoT Build 0:fa2de1b79154 195 {
Azure.IoT Build 0:fa2de1b79154 196 handleData->keys = undoneKeys;
Azure.IoT Build 0:fa2de1b79154 197 }
Azure.IoT Build 0:fa2de1b79154 198 }
Azure.IoT Build 0:fa2de1b79154 199 result = __LINE__;
Azure.IoT Build 0:fa2de1b79154 200 }
Azure.IoT Build 0:fa2de1b79154 201 else
Azure.IoT Build 0:fa2de1b79154 202 {
Azure.IoT Build 0:fa2de1b79154 203 handleData->values = newValues;
Azure.IoT Build 0:fa2de1b79154 204 handleData->values[handleData->count] = NULL;
Azure.IoT Build 0:fa2de1b79154 205 handleData->count++;
Azure.IoT Build 0:fa2de1b79154 206 result = 0;
Azure.IoT Build 0:fa2de1b79154 207 }
Azure.IoT Build 0:fa2de1b79154 208 }
Azure.IoT Build 0:fa2de1b79154 209 return result;
Azure.IoT Build 0:fa2de1b79154 210 }
Azure.IoT Build 0:fa2de1b79154 211
Azure.IoT Build 0:fa2de1b79154 212 static void Map_DecreaseStorageKeysValues(MAP_HANDLE_DATA* handleData)
Azure.IoT Build 0:fa2de1b79154 213 {
Azure.IoT Build 0:fa2de1b79154 214 if (handleData->count == 1)
Azure.IoT Build 0:fa2de1b79154 215 {
Azure.IoT Build 0:fa2de1b79154 216 free(handleData->keys);
Azure.IoT Build 0:fa2de1b79154 217 handleData->keys = NULL;
Azure.IoT Build 0:fa2de1b79154 218 free(handleData->values);
Azure.IoT Build 0:fa2de1b79154 219 handleData->values = NULL;
Azure.IoT Build 0:fa2de1b79154 220 handleData->count = 0;
Azure.IoT Build 0:fa2de1b79154 221 handleData->mapFilterCallback = NULL;
Azure.IoT Build 0:fa2de1b79154 222 }
Azure.IoT Build 0:fa2de1b79154 223 else
Azure.IoT Build 0:fa2de1b79154 224 {
Azure.IoT Build 0:fa2de1b79154 225 /*certainly > 1...*/
Azure.IoT Build 0:fa2de1b79154 226 char** undoneValues;
Azure.IoT Build 0:fa2de1b79154 227 char** undoneKeys = (char**)realloc(handleData->keys, sizeof(char*)* (handleData->count - 1));
Azure.IoT Build 0:fa2de1b79154 228 if (undoneKeys == NULL)
Azure.IoT Build 0:fa2de1b79154 229 {
Azure.IoT Build 0:fa2de1b79154 230 LogError("CATASTROPHIC error, unable to undo through realloc to a smaller size\r\n");
Azure.IoT Build 0:fa2de1b79154 231 }
Azure.IoT Build 0:fa2de1b79154 232 else
Azure.IoT Build 0:fa2de1b79154 233 {
Azure.IoT Build 0:fa2de1b79154 234 handleData->keys = undoneKeys;
Azure.IoT Build 0:fa2de1b79154 235 }
Azure.IoT Build 0:fa2de1b79154 236
Azure.IoT Build 0:fa2de1b79154 237 undoneValues = (char**)realloc(handleData->values, sizeof(char*)* (handleData->count - 1));
Azure.IoT Build 0:fa2de1b79154 238 if (undoneValues == NULL)
Azure.IoT Build 0:fa2de1b79154 239 {
Azure.IoT Build 0:fa2de1b79154 240 LogError("CATASTROPHIC error, unable to undo through realloc to a smaller size\r\n");
Azure.IoT Build 0:fa2de1b79154 241 }
Azure.IoT Build 0:fa2de1b79154 242 else
Azure.IoT Build 0:fa2de1b79154 243 {
Azure.IoT Build 0:fa2de1b79154 244 handleData->values = undoneValues;
Azure.IoT Build 0:fa2de1b79154 245 }
Azure.IoT Build 0:fa2de1b79154 246
Azure.IoT Build 0:fa2de1b79154 247 handleData->count--;
Azure.IoT Build 0:fa2de1b79154 248 }
Azure.IoT Build 0:fa2de1b79154 249 }
Azure.IoT Build 0:fa2de1b79154 250
Azure.IoT Build 0:fa2de1b79154 251 static char** findKey(MAP_HANDLE_DATA* handleData, const char* key)
Azure.IoT Build 0:fa2de1b79154 252 {
Azure.IoT Build 0:fa2de1b79154 253 char** result;
Azure.IoT Build 0:fa2de1b79154 254 if (handleData->keys == NULL)
Azure.IoT Build 0:fa2de1b79154 255 {
Azure.IoT Build 0:fa2de1b79154 256 result = NULL;
Azure.IoT Build 0:fa2de1b79154 257 }
Azure.IoT Build 0:fa2de1b79154 258 else
Azure.IoT Build 0:fa2de1b79154 259 {
Azure.IoT Build 0:fa2de1b79154 260 size_t i;
Azure.IoT Build 0:fa2de1b79154 261 result = NULL;
Azure.IoT Build 0:fa2de1b79154 262 for (i = 0; i < handleData->count; i++)
Azure.IoT Build 0:fa2de1b79154 263 {
Azure.IoT Build 0:fa2de1b79154 264 if (strcmp(handleData->keys[i], key) == 0)
Azure.IoT Build 0:fa2de1b79154 265 {
Azure.IoT Build 0:fa2de1b79154 266 result = handleData->keys + i;
Azure.IoT Build 0:fa2de1b79154 267 break;
Azure.IoT Build 0:fa2de1b79154 268 }
Azure.IoT Build 0:fa2de1b79154 269 }
Azure.IoT Build 0:fa2de1b79154 270 }
Azure.IoT Build 0:fa2de1b79154 271 return result;
Azure.IoT Build 0:fa2de1b79154 272 }
Azure.IoT Build 0:fa2de1b79154 273
Azure.IoT Build 0:fa2de1b79154 274 static char** findValue(MAP_HANDLE_DATA* handleData, const char* value)
Azure.IoT Build 0:fa2de1b79154 275 {
Azure.IoT Build 0:fa2de1b79154 276 char** result;
Azure.IoT Build 0:fa2de1b79154 277 if (handleData->values == NULL)
Azure.IoT Build 0:fa2de1b79154 278 {
Azure.IoT Build 0:fa2de1b79154 279 result = NULL;
Azure.IoT Build 0:fa2de1b79154 280 }
Azure.IoT Build 0:fa2de1b79154 281 else
Azure.IoT Build 0:fa2de1b79154 282 {
Azure.IoT Build 0:fa2de1b79154 283 size_t i;
Azure.IoT Build 0:fa2de1b79154 284 result = NULL;
Azure.IoT Build 0:fa2de1b79154 285 for (i = 0; i < handleData->count; i++)
Azure.IoT Build 0:fa2de1b79154 286 {
Azure.IoT Build 0:fa2de1b79154 287 if (strcmp(handleData->values[i], value) == 0)
Azure.IoT Build 0:fa2de1b79154 288 {
Azure.IoT Build 0:fa2de1b79154 289 result = handleData->values + i;
Azure.IoT Build 0:fa2de1b79154 290 break;
Azure.IoT Build 0:fa2de1b79154 291 }
Azure.IoT Build 0:fa2de1b79154 292 }
Azure.IoT Build 0:fa2de1b79154 293 }
Azure.IoT Build 0:fa2de1b79154 294 return result;
Azure.IoT Build 0:fa2de1b79154 295 }
Azure.IoT Build 0:fa2de1b79154 296
Azure.IoT Build 0:fa2de1b79154 297 static int insertNewKeyValue(MAP_HANDLE_DATA* handleData, const char* key, const char* value)
Azure.IoT Build 0:fa2de1b79154 298 {
Azure.IoT Build 0:fa2de1b79154 299 int result;
Azure.IoT Build 0:fa2de1b79154 300 if (Map_IncreaseStorageKeysValues(handleData) != 0) /*this increases handleData->count*/
Azure.IoT Build 0:fa2de1b79154 301 {
Azure.IoT Build 0:fa2de1b79154 302 result = __LINE__;
Azure.IoT Build 0:fa2de1b79154 303 }
Azure.IoT Build 0:fa2de1b79154 304 else
Azure.IoT Build 0:fa2de1b79154 305 {
Azure.IoT Build 0:fa2de1b79154 306 if (mallocAndStrcpy_s(&(handleData->keys[handleData->count - 1]), key) != 0)
Azure.IoT Build 0:fa2de1b79154 307 {
Azure.IoT Build 0:fa2de1b79154 308 Map_DecreaseStorageKeysValues(handleData);
Azure.IoT Build 0:fa2de1b79154 309 LogError("unable to mallocAndStrcpy_s\r\n");
Azure.IoT Build 0:fa2de1b79154 310 result = __LINE__;
Azure.IoT Build 0:fa2de1b79154 311 }
Azure.IoT Build 0:fa2de1b79154 312 else
Azure.IoT Build 0:fa2de1b79154 313 {
Azure.IoT Build 0:fa2de1b79154 314 if (mallocAndStrcpy_s(&(handleData->values[handleData->count - 1]), value) != 0)
Azure.IoT Build 0:fa2de1b79154 315 {
Azure.IoT Build 0:fa2de1b79154 316 free(handleData->keys[handleData->count - 1]);
Azure.IoT Build 0:fa2de1b79154 317 Map_DecreaseStorageKeysValues(handleData);
Azure.IoT Build 0:fa2de1b79154 318 LogError("unable to mallocAndStrcpy_s\r\n");
Azure.IoT Build 0:fa2de1b79154 319 result = __LINE__;
Azure.IoT Build 0:fa2de1b79154 320 }
Azure.IoT Build 0:fa2de1b79154 321 else
Azure.IoT Build 0:fa2de1b79154 322 {
Azure.IoT Build 0:fa2de1b79154 323 result = 0;
Azure.IoT Build 0:fa2de1b79154 324 }
Azure.IoT Build 0:fa2de1b79154 325 }
Azure.IoT Build 0:fa2de1b79154 326 }
Azure.IoT Build 0:fa2de1b79154 327 return result;
Azure.IoT Build 0:fa2de1b79154 328 }
Azure.IoT Build 0:fa2de1b79154 329
Azure.IoT Build 0:fa2de1b79154 330 MAP_RESULT Map_Add(MAP_HANDLE handle, const char* key, const char* value)
Azure.IoT Build 0:fa2de1b79154 331 {
Azure.IoT Build 0:fa2de1b79154 332 MAP_RESULT result;
Azure.IoT Build 0:fa2de1b79154 333 /*Codes_SRS_MAP_02_006: [If parameter handle is NULL then Map_Add shall return MAP_INVALID_ARG.] */
Azure.IoT Build 0:fa2de1b79154 334 /*Codes_SRS_MAP_02_007: [If parameter key is NULL then Map_Add shall return MAP_INVALID_ARG.]*/
Azure.IoT Build 0:fa2de1b79154 335 /*Codes_SRS_MAP_02_008: [If parameter value is NULL then Map_Add shall return MAP_INVALID_ARG.] */
Azure.IoT Build 0:fa2de1b79154 336 if (
Azure.IoT Build 0:fa2de1b79154 337 (handle == NULL) ||
Azure.IoT Build 0:fa2de1b79154 338 (key == NULL) ||
Azure.IoT Build 0:fa2de1b79154 339 (value == NULL)
Azure.IoT Build 0:fa2de1b79154 340 )
Azure.IoT Build 0:fa2de1b79154 341 {
Azure.IoT Build 0:fa2de1b79154 342 result = MAP_INVALIDARG;
Azure.IoT Build 0:fa2de1b79154 343 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 344 }
Azure.IoT Build 0:fa2de1b79154 345 else
Azure.IoT Build 0:fa2de1b79154 346 {
Azure.IoT Build 0:fa2de1b79154 347 MAP_HANDLE_DATA* handleData = (MAP_HANDLE_DATA*)handle;
Azure.IoT Build 0:fa2de1b79154 348 /*Codes_SRS_MAP_02_009: [If the key already exists, then Map_Add shall return MAP_KEYEXISTS.] */
Azure.IoT Build 0:fa2de1b79154 349 if (findKey(handleData, key) != NULL)
Azure.IoT Build 0:fa2de1b79154 350 {
Azure.IoT Build 0:fa2de1b79154 351 result = MAP_KEYEXISTS;
Azure.IoT Build 0:fa2de1b79154 352 }
Azure.IoT Build 0:fa2de1b79154 353 else
Azure.IoT Build 0:fa2de1b79154 354 {
Azure.IoT Build 0:fa2de1b79154 355 /* Codes_SRS_MAP_07_009: [If the mapFilterCallback function is not NULL, then the return value will be check and if it is not zero then Map_Add shall return MAP_FILTER_REJECT.] */
Azure.IoT Build 0:fa2de1b79154 356 if ( (handleData->mapFilterCallback != NULL) && (handleData->mapFilterCallback(key, value) != 0) )
Azure.IoT Build 0:fa2de1b79154 357 {
Azure.IoT Build 0:fa2de1b79154 358 result = MAP_FILTER_REJECT;
Azure.IoT Build 0:fa2de1b79154 359 }
Azure.IoT Build 0:fa2de1b79154 360 else
Azure.IoT Build 0:fa2de1b79154 361 {
Azure.IoT Build 0:fa2de1b79154 362 /*Codes_SRS_MAP_02_010: [Otherwise, Map_Add shall add the pair <key,value> to the map.] */
Azure.IoT Build 0:fa2de1b79154 363 if (insertNewKeyValue(handleData, key, value) != 0)
Azure.IoT Build 0:fa2de1b79154 364 {
Azure.IoT Build 0:fa2de1b79154 365 /*Codes_SRS_MAP_02_011: [If adding the pair <key,value> fails then Map_Add shall return MAP_ERROR.] */
Azure.IoT Build 0:fa2de1b79154 366 result = MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 367 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 368 }
Azure.IoT Build 0:fa2de1b79154 369 else
Azure.IoT Build 0:fa2de1b79154 370 {
Azure.IoT Build 0:fa2de1b79154 371 /*Codes_SRS_MAP_02_012: [Otherwise, Map_Add shall return MAP_OK.] */
Azure.IoT Build 0:fa2de1b79154 372 result = MAP_OK;
Azure.IoT Build 0:fa2de1b79154 373 }
Azure.IoT Build 0:fa2de1b79154 374 }
Azure.IoT Build 0:fa2de1b79154 375 }
Azure.IoT Build 0:fa2de1b79154 376 }
Azure.IoT Build 0:fa2de1b79154 377 return result;
Azure.IoT Build 0:fa2de1b79154 378 }
Azure.IoT Build 0:fa2de1b79154 379
Azure.IoT Build 0:fa2de1b79154 380 MAP_RESULT Map_AddOrUpdate(MAP_HANDLE handle, const char* key, const char* value)
Azure.IoT Build 0:fa2de1b79154 381 {
Azure.IoT Build 0:fa2de1b79154 382 MAP_RESULT result;
Azure.IoT Build 0:fa2de1b79154 383 /*Codes_SRS_MAP_02_013: [If parameter handle is NULL then Map_AddOrUpdate shall return MAP_INVALID_ARG.]*/
Azure.IoT Build 0:fa2de1b79154 384 /*Codes_SRS_MAP_02_014: [If parameter key is NULL then Map_AddOrUpdate shall return MAP_INVALID_ARG.]*/
Azure.IoT Build 0:fa2de1b79154 385 /*Codes_SRS_MAP_02_015: [If parameter value is NULL then Map_AddOrUpdate shall return MAP_INVALID_ARG.] */
Azure.IoT Build 0:fa2de1b79154 386 if (
Azure.IoT Build 0:fa2de1b79154 387 (handle == NULL) ||
Azure.IoT Build 0:fa2de1b79154 388 (key == NULL) ||
Azure.IoT Build 0:fa2de1b79154 389 (value == NULL)
Azure.IoT Build 0:fa2de1b79154 390 )
Azure.IoT Build 0:fa2de1b79154 391 {
Azure.IoT Build 0:fa2de1b79154 392 result = MAP_INVALIDARG;
Azure.IoT Build 0:fa2de1b79154 393 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 394 }
Azure.IoT Build 0:fa2de1b79154 395 else
Azure.IoT Build 0:fa2de1b79154 396 {
Azure.IoT Build 0:fa2de1b79154 397 MAP_HANDLE_DATA* handleData = (MAP_HANDLE_DATA*)handle;
Azure.IoT Build 0:fa2de1b79154 398
Azure.IoT Build 0:fa2de1b79154 399 /* Codes_SRS_MAP_07_008: [If the mapFilterCallback function is not NULL, then the return value will be check and if it is not zero then Map_AddOrUpdate shall return MAP_FILTER_REJECT.] */
Azure.IoT Build 0:fa2de1b79154 400 if (handleData->mapFilterCallback != NULL && handleData->mapFilterCallback(key, value) != 0)
Azure.IoT Build 0:fa2de1b79154 401 {
Azure.IoT Build 0:fa2de1b79154 402 result = MAP_FILTER_REJECT;
Azure.IoT Build 0:fa2de1b79154 403 }
Azure.IoT Build 0:fa2de1b79154 404 else
Azure.IoT Build 0:fa2de1b79154 405 {
Azure.IoT Build 0:fa2de1b79154 406 char** whereIsIt = findKey(handleData, key);
Azure.IoT Build 0:fa2de1b79154 407 if (whereIsIt == NULL)
Azure.IoT Build 0:fa2de1b79154 408 {
Azure.IoT Build 0:fa2de1b79154 409 /*Codes_SRS_MAP_02_017: [Otherwise, Map_AddOrUpdate shall add the pair <key,value> to the map.]*/
Azure.IoT Build 0:fa2de1b79154 410 if (insertNewKeyValue(handleData, key, value) != 0)
Azure.IoT Build 0:fa2de1b79154 411 {
Azure.IoT Build 0:fa2de1b79154 412 result = MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 413 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 414 }
Azure.IoT Build 0:fa2de1b79154 415 else
Azure.IoT Build 0:fa2de1b79154 416 {
Azure.IoT Build 0:fa2de1b79154 417 result = MAP_OK;
Azure.IoT Build 0:fa2de1b79154 418 }
Azure.IoT Build 0:fa2de1b79154 419 }
Azure.IoT Build 0:fa2de1b79154 420 else
Azure.IoT Build 0:fa2de1b79154 421 {
Azure.IoT Build 0:fa2de1b79154 422 /*Codes_SRS_MAP_02_016: [If the key already exists, then Map_AddOrUpdate shall overwrite the value of the existing key with parameter value.]*/
Azure.IoT Build 0:fa2de1b79154 423 size_t index = whereIsIt - handleData->keys;
Azure.IoT Build 0:fa2de1b79154 424 size_t valueLength = strlen(value);
Azure.IoT Build 0:fa2de1b79154 425 /*try to realloc value of this key*/
Azure.IoT Build 0:fa2de1b79154 426 char* newValue = (char*)realloc(handleData->values[index],valueLength + 1);
Azure.IoT Build 0:fa2de1b79154 427 if (newValue == NULL)
Azure.IoT Build 0:fa2de1b79154 428 {
Azure.IoT Build 0:fa2de1b79154 429 result = MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 430 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 431 }
Azure.IoT Build 0:fa2de1b79154 432 else
Azure.IoT Build 0:fa2de1b79154 433 {
Azure.IoT Build 0:fa2de1b79154 434 memcpy(newValue, value, valueLength + 1);
Azure.IoT Build 0:fa2de1b79154 435 handleData->values[index] = newValue;
Azure.IoT Build 0:fa2de1b79154 436 /*Codes_SRS_MAP_02_019: [Otherwise, Map_AddOrUpdate shall return MAP_OK.] */
Azure.IoT Build 0:fa2de1b79154 437 result = MAP_OK;
Azure.IoT Build 0:fa2de1b79154 438 }
Azure.IoT Build 0:fa2de1b79154 439 }
Azure.IoT Build 0:fa2de1b79154 440 }
Azure.IoT Build 0:fa2de1b79154 441 }
Azure.IoT Build 0:fa2de1b79154 442 return result;
Azure.IoT Build 0:fa2de1b79154 443 }
Azure.IoT Build 0:fa2de1b79154 444
Azure.IoT Build 0:fa2de1b79154 445 MAP_RESULT Map_Delete(MAP_HANDLE handle, const char* key)
Azure.IoT Build 0:fa2de1b79154 446 {
Azure.IoT Build 0:fa2de1b79154 447 MAP_RESULT result;
Azure.IoT Build 0:fa2de1b79154 448 /*Codes_SRS_MAP_02_020: [If parameter handle is NULL then Map_Delete shall return MAP_INVALIDARG.]*/
Azure.IoT Build 0:fa2de1b79154 449 /*Codes_SRS_MAP_02_021: [If parameter key is NULL then Map_Delete shall return MAP_INVALIDARG.]*/
Azure.IoT Build 0:fa2de1b79154 450 if (
Azure.IoT Build 0:fa2de1b79154 451 (handle == NULL) ||
Azure.IoT Build 0:fa2de1b79154 452 (key == NULL)
Azure.IoT Build 0:fa2de1b79154 453 )
Azure.IoT Build 0:fa2de1b79154 454 {
Azure.IoT Build 0:fa2de1b79154 455 result = MAP_INVALIDARG;
Azure.IoT Build 0:fa2de1b79154 456 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 457 }
Azure.IoT Build 0:fa2de1b79154 458 else
Azure.IoT Build 0:fa2de1b79154 459 {
Azure.IoT Build 0:fa2de1b79154 460 MAP_HANDLE_DATA* handleData = (MAP_HANDLE_DATA*)handle;
Azure.IoT Build 0:fa2de1b79154 461 char** whereIsIt = findKey(handleData,key);
Azure.IoT Build 0:fa2de1b79154 462 if (whereIsIt == NULL)
Azure.IoT Build 0:fa2de1b79154 463 {
Azure.IoT Build 0:fa2de1b79154 464 /*Codes_SRS_MAP_02_022: [If key does not exist then Map_Delete shall return MAP_KEYNOTFOUND.]*/
Azure.IoT Build 0:fa2de1b79154 465 result = MAP_KEYNOTFOUND;
Azure.IoT Build 0:fa2de1b79154 466 }
Azure.IoT Build 0:fa2de1b79154 467 else
Azure.IoT Build 0:fa2de1b79154 468 {
Azure.IoT Build 0:fa2de1b79154 469 /*Codes_SRS_MAP_02_023: [Otherwise, Map_Delete shall remove the key and its associated value from the map and return MAP_OK.]*/
Azure.IoT Build 0:fa2de1b79154 470 size_t index = whereIsIt - handleData->keys;
Azure.IoT Build 0:fa2de1b79154 471 free(handleData->keys[index]);
Azure.IoT Build 0:fa2de1b79154 472 free(handleData->values[index]);
Azure.IoT Build 0:fa2de1b79154 473 memmove(handleData->keys + index, handleData->keys + index + 1, (handleData->count - index - 1)*sizeof(char*)); /*if order doesn't matter... then this can be optimized*/
Azure.IoT Build 0:fa2de1b79154 474 memmove(handleData->values + index, handleData->values + index + 1, (handleData->count - index - 1)*sizeof(char*));
Azure.IoT Build 0:fa2de1b79154 475 Map_DecreaseStorageKeysValues(handleData);
Azure.IoT Build 0:fa2de1b79154 476 result = MAP_OK;
Azure.IoT Build 0:fa2de1b79154 477 }
Azure.IoT Build 0:fa2de1b79154 478
Azure.IoT Build 0:fa2de1b79154 479 }
Azure.IoT Build 0:fa2de1b79154 480 return result;
Azure.IoT Build 0:fa2de1b79154 481 }
Azure.IoT Build 0:fa2de1b79154 482
Azure.IoT Build 0:fa2de1b79154 483 MAP_RESULT Map_ContainsKey(MAP_HANDLE handle, const char* key, bool* keyExists)
Azure.IoT Build 0:fa2de1b79154 484 {
Azure.IoT Build 0:fa2de1b79154 485 MAP_RESULT result;
Azure.IoT Build 0:fa2de1b79154 486 /*Codes_SRS_MAP_02_024: [If parameter handle, key or keyExists are NULL then Map_ContainsKey shall return MAP_INVALIDARG.]*/
Azure.IoT Build 0:fa2de1b79154 487 if (
Azure.IoT Build 0:fa2de1b79154 488 (handle ==NULL) ||
Azure.IoT Build 0:fa2de1b79154 489 (key == NULL) ||
Azure.IoT Build 0:fa2de1b79154 490 (keyExists == NULL)
Azure.IoT Build 0:fa2de1b79154 491 )
Azure.IoT Build 0:fa2de1b79154 492 {
Azure.IoT Build 0:fa2de1b79154 493 result = MAP_INVALIDARG;
Azure.IoT Build 0:fa2de1b79154 494 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 495 }
Azure.IoT Build 0:fa2de1b79154 496 else
Azure.IoT Build 0:fa2de1b79154 497 {
Azure.IoT Build 0:fa2de1b79154 498 MAP_HANDLE_DATA* handleData = (MAP_HANDLE_DATA*)handle;
Azure.IoT Build 0:fa2de1b79154 499 /*Codes_SRS_MAP_02_025: [Otherwise if a key exists then Map_ContainsKey shall return MAP_OK and shall write in keyExists "true".]*/
Azure.IoT Build 0:fa2de1b79154 500 /*Codes_SRS_MAP_02_026: [If a key doesn't exist, then Map_ContainsKey shall return MAP_OK and write in keyExists "false".] */
Azure.IoT Build 0:fa2de1b79154 501 *keyExists = (findKey(handleData, key) != NULL) ? true: false;
Azure.IoT Build 0:fa2de1b79154 502 result = MAP_OK;
Azure.IoT Build 0:fa2de1b79154 503 }
Azure.IoT Build 0:fa2de1b79154 504 return result;
Azure.IoT Build 0:fa2de1b79154 505 }
Azure.IoT Build 0:fa2de1b79154 506
Azure.IoT Build 0:fa2de1b79154 507 MAP_RESULT Map_ContainsValue(MAP_HANDLE handle, const char* value, bool* valueExists)
Azure.IoT Build 0:fa2de1b79154 508 {
Azure.IoT Build 0:fa2de1b79154 509 MAP_RESULT result;
Azure.IoT Build 0:fa2de1b79154 510 /*Codes_SRS_MAP_02_027: [If parameter handle, value or valueExists is NULL then Map_ContainsValue shall return MAP_INVALIDARG.] */
Azure.IoT Build 0:fa2de1b79154 511 if (
Azure.IoT Build 0:fa2de1b79154 512 (handle == NULL) ||
Azure.IoT Build 0:fa2de1b79154 513 (value == NULL) ||
Azure.IoT Build 0:fa2de1b79154 514 (valueExists == NULL)
Azure.IoT Build 0:fa2de1b79154 515 )
Azure.IoT Build 0:fa2de1b79154 516 {
Azure.IoT Build 0:fa2de1b79154 517 result = MAP_INVALIDARG;
Azure.IoT Build 0:fa2de1b79154 518 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 519 }
Azure.IoT Build 0:fa2de1b79154 520 else
Azure.IoT Build 0:fa2de1b79154 521 {
Azure.IoT Build 0:fa2de1b79154 522 MAP_HANDLE_DATA* handleData = (MAP_HANDLE_DATA*)handle;
Azure.IoT Build 0:fa2de1b79154 523 /*Codes_SRS_MAP_02_028: [Otherwise, if a pair <key, value> has its value equal to the parameter value, the Map_ContainsValue shall return MAP_OK and shall write in valueExists "true".]*/
Azure.IoT Build 0:fa2de1b79154 524 /*Codes_SRS_MAP_02_029: [Otherwise, if such a <key, value> does not exist, then Map_ContainsValue shall return MAP_OK and shall write in valueExists "false".] */
Azure.IoT Build 0:fa2de1b79154 525 *valueExists = (findValue(handleData, value) != NULL) ? true : false;
Azure.IoT Build 0:fa2de1b79154 526 result = MAP_OK;
Azure.IoT Build 0:fa2de1b79154 527 }
Azure.IoT Build 0:fa2de1b79154 528 return result;
Azure.IoT Build 0:fa2de1b79154 529 }
Azure.IoT Build 0:fa2de1b79154 530
Azure.IoT Build 0:fa2de1b79154 531 const char* Map_GetValueFromKey(MAP_HANDLE handle, const char* key)
Azure.IoT Build 0:fa2de1b79154 532 {
Azure.IoT Build 0:fa2de1b79154 533 const char* result;
Azure.IoT Build 0:fa2de1b79154 534 /*Codes_SRS_MAP_02_040: [If parameter handle or key is NULL then Map_GetValueFromKey returns NULL.]*/
Azure.IoT Build 0:fa2de1b79154 535 if (
Azure.IoT Build 0:fa2de1b79154 536 (handle == NULL) ||
Azure.IoT Build 0:fa2de1b79154 537 (key == NULL)
Azure.IoT Build 0:fa2de1b79154 538 )
Azure.IoT Build 0:fa2de1b79154 539 {
Azure.IoT Build 0:fa2de1b79154 540 result = NULL;
Azure.IoT Build 0:fa2de1b79154 541 LogError("invalid parameter to Map_GetValueFromKey\r\n");
Azure.IoT Build 0:fa2de1b79154 542 }
Azure.IoT Build 0:fa2de1b79154 543 else
Azure.IoT Build 0:fa2de1b79154 544 {
Azure.IoT Build 0:fa2de1b79154 545 MAP_HANDLE_DATA * handleData = (MAP_HANDLE_DATA *)handle;
Azure.IoT Build 0:fa2de1b79154 546 char** whereIsIt = findKey(handleData, key);
Azure.IoT Build 0:fa2de1b79154 547 if(whereIsIt == NULL)
Azure.IoT Build 0:fa2de1b79154 548 {
Azure.IoT Build 0:fa2de1b79154 549 /*Codes_SRS_MAP_02_041: [If the key is not found, then Map_GetValueFromKey returns NULL.]*/
Azure.IoT Build 0:fa2de1b79154 550 result = NULL;
Azure.IoT Build 0:fa2de1b79154 551 }
Azure.IoT Build 0:fa2de1b79154 552 else
Azure.IoT Build 0:fa2de1b79154 553 {
Azure.IoT Build 0:fa2de1b79154 554 /*Codes_SRS_MAP_02_042: [Otherwise, Map_GetValueFromKey returns the key's value.] */
Azure.IoT Build 0:fa2de1b79154 555 size_t index = whereIsIt - handleData->keys;
Azure.IoT Build 0:fa2de1b79154 556 result = handleData->values[index];
Azure.IoT Build 0:fa2de1b79154 557 }
Azure.IoT Build 0:fa2de1b79154 558 }
Azure.IoT Build 0:fa2de1b79154 559 return result;
Azure.IoT Build 0:fa2de1b79154 560 }
Azure.IoT Build 0:fa2de1b79154 561
Azure.IoT Build 0:fa2de1b79154 562 MAP_RESULT Map_GetInternals(MAP_HANDLE handle, const char*const** keys, const char*const** values, size_t* count)
Azure.IoT Build 0:fa2de1b79154 563 {
Azure.IoT Build 0:fa2de1b79154 564 MAP_RESULT result;
Azure.IoT Build 0:fa2de1b79154 565 /*Codes_SRS_MAP_02_046: [If parameter handle, keys, values or count is NULL then Map_GetInternals shall return MAP_INVALIDARG.] */
Azure.IoT Build 0:fa2de1b79154 566 if (
Azure.IoT Build 0:fa2de1b79154 567 (handle == NULL) ||
Azure.IoT Build 0:fa2de1b79154 568 (keys == NULL) ||
Azure.IoT Build 0:fa2de1b79154 569 (values == NULL) ||
Azure.IoT Build 0:fa2de1b79154 570 (count == NULL)
Azure.IoT Build 0:fa2de1b79154 571 )
Azure.IoT Build 0:fa2de1b79154 572 {
Azure.IoT Build 0:fa2de1b79154 573 result = MAP_INVALIDARG;
Azure.IoT Build 0:fa2de1b79154 574 LOG_MAP_ERROR;
Azure.IoT Build 0:fa2de1b79154 575 }
Azure.IoT Build 0:fa2de1b79154 576 else
Azure.IoT Build 0:fa2de1b79154 577 {
Azure.IoT Build 0:fa2de1b79154 578 /*Codes_SRS_MAP_02_043: [Map_GetInternals shall produce in *keys an pointer to an array of const char* having all the keys stored so far by the map.]*/
Azure.IoT Build 0:fa2de1b79154 579 /*Codes_SRS_MAP_02_044: [Map_GetInternals shall produce in *values a pointer to an array of const char* having all the values stored so far by the map.]*/
Azure.IoT Build 0:fa2de1b79154 580 /*Codes_SRS_MAP_02_045: [ Map_GetInternals shall produce in *count the number of stored keys and values.]*/
Azure.IoT Build 0:fa2de1b79154 581 MAP_HANDLE_DATA * handleData = (MAP_HANDLE_DATA *)handle;
Azure.IoT Build 0:fa2de1b79154 582 *keys =(const char* const*)(handleData->keys);
Azure.IoT Build 0:fa2de1b79154 583 *values = (const char* const*)(handleData->values);
Azure.IoT Build 0:fa2de1b79154 584 *count = handleData->count;
Azure.IoT Build 0:fa2de1b79154 585 result = MAP_OK;
Azure.IoT Build 0:fa2de1b79154 586 }
Azure.IoT Build 0:fa2de1b79154 587 return result;
Azure.IoT Build 0:fa2de1b79154 588 }
Azure.IoT Build 0:fa2de1b79154 589
Azure.IoT Build 0:fa2de1b79154 590 STRING_HANDLE Map_ToJSON(MAP_HANDLE handle)
Azure.IoT Build 0:fa2de1b79154 591 {
Azure.IoT Build 0:fa2de1b79154 592 STRING_HANDLE result;
Azure.IoT Build 0:fa2de1b79154 593 /*Codes_SRS_MAP_02_052: [If parameter handle is NULL then Map_ToJSON shall return NULL.] */
Azure.IoT Build 0:fa2de1b79154 594 if (handle == NULL)
Azure.IoT Build 0:fa2de1b79154 595 {
Azure.IoT Build 0:fa2de1b79154 596 result = NULL;
Azure.IoT Build 0:fa2de1b79154 597 LogError("invalid arg (NULL)");
Azure.IoT Build 0:fa2de1b79154 598 }
Azure.IoT Build 0:fa2de1b79154 599 else
Azure.IoT Build 0:fa2de1b79154 600 {
Azure.IoT Build 0:fa2de1b79154 601 /*Codes_SRS_MAP_02_048: [Map_ToJSON shall produce a STRING_HANDLE representing the content of the MAP.] */
Azure.IoT Build 0:fa2de1b79154 602 result = STRING_construct("{");
Azure.IoT Build 0:fa2de1b79154 603 if (result == NULL)
Azure.IoT Build 0:fa2de1b79154 604 {
Azure.IoT Build 0:fa2de1b79154 605 LogError("STRING_construct failed");
Azure.IoT Build 0:fa2de1b79154 606 }
Azure.IoT Build 0:fa2de1b79154 607 else
Azure.IoT Build 0:fa2de1b79154 608 {
Azure.IoT Build 0:fa2de1b79154 609 size_t i;
Azure.IoT Build 0:fa2de1b79154 610 MAP_HANDLE_DATA* handleData = (MAP_HANDLE_DATA *)handle;
Azure.IoT Build 0:fa2de1b79154 611 /*Codes_SRS_MAP_02_049: [If the MAP is empty, then Map_ToJSON shall produce the string "{}".*/
Azure.IoT Build 0:fa2de1b79154 612 bool breakFor = false; /*used to break out of for*/
Azure.IoT Build 0:fa2de1b79154 613 for (i = 0; (i < handleData->count) && (!breakFor); i++)
Azure.IoT Build 0:fa2de1b79154 614 {
Azure.IoT Build 0:fa2de1b79154 615 /*add one entry to the JSON*/
Azure.IoT Build 0:fa2de1b79154 616 /*Codes_SRS_MAP_02_050: [If the map has properties then Map_ToJSON shall produce the following string:{"name1":"value1", "name2":"value2" ...}]*/
Azure.IoT Build 0:fa2de1b79154 617 STRING_HANDLE key = STRING_new_JSON(handleData->keys[i]);
Azure.IoT Build 0:fa2de1b79154 618 if (key == NULL)
Azure.IoT Build 0:fa2de1b79154 619 {
Azure.IoT Build 0:fa2de1b79154 620 LogError("STRING_new_JSON failed");
Azure.IoT Build 0:fa2de1b79154 621 STRING_delete(result);
Azure.IoT Build 0:fa2de1b79154 622 result = NULL;
Azure.IoT Build 0:fa2de1b79154 623 breakFor = true;
Azure.IoT Build 0:fa2de1b79154 624 }
Azure.IoT Build 0:fa2de1b79154 625 else
Azure.IoT Build 0:fa2de1b79154 626 {
Azure.IoT Build 0:fa2de1b79154 627 STRING_HANDLE value = STRING_new_JSON(handleData->values[i]);
Azure.IoT Build 0:fa2de1b79154 628 if (value == NULL)
Azure.IoT Build 0:fa2de1b79154 629 {
Azure.IoT Build 0:fa2de1b79154 630 LogError("STRING_new_JSON failed");
Azure.IoT Build 0:fa2de1b79154 631 STRING_delete(result);
Azure.IoT Build 0:fa2de1b79154 632 result = NULL;
Azure.IoT Build 0:fa2de1b79154 633 breakFor = true;
Azure.IoT Build 0:fa2de1b79154 634 }
Azure.IoT Build 0:fa2de1b79154 635 else
Azure.IoT Build 0:fa2de1b79154 636 {
Azure.IoT Build 0:fa2de1b79154 637 if (!(
Azure.IoT Build 0:fa2de1b79154 638 ((i>0) ? (STRING_concat(result, ",") == 0) : 1) &&
Azure.IoT Build 0:fa2de1b79154 639 (STRING_concat_with_STRING(result, key) == 0) &&
Azure.IoT Build 0:fa2de1b79154 640 (STRING_concat(result, ":") == 0) &&
Azure.IoT Build 0:fa2de1b79154 641 (STRING_concat_with_STRING(result, value) == 0)
Azure.IoT Build 0:fa2de1b79154 642 ))
Azure.IoT Build 0:fa2de1b79154 643 {
Azure.IoT Build 0:fa2de1b79154 644 LogError("failed to build the JSON");
Azure.IoT Build 0:fa2de1b79154 645 STRING_delete(result);
Azure.IoT Build 0:fa2de1b79154 646 result = NULL;
Azure.IoT Build 0:fa2de1b79154 647 breakFor = true;
Azure.IoT Build 0:fa2de1b79154 648 }
Azure.IoT Build 0:fa2de1b79154 649 else
Azure.IoT Build 0:fa2de1b79154 650 {
Azure.IoT Build 0:fa2de1b79154 651 /*all nice, go to the next element in the map*/
Azure.IoT Build 0:fa2de1b79154 652 }
Azure.IoT Build 0:fa2de1b79154 653 STRING_delete(value);
Azure.IoT Build 0:fa2de1b79154 654 }
Azure.IoT Build 0:fa2de1b79154 655 STRING_delete(key);
Azure.IoT Build 0:fa2de1b79154 656 }
Azure.IoT Build 0:fa2de1b79154 657 }
Azure.IoT Build 0:fa2de1b79154 658
Azure.IoT Build 0:fa2de1b79154 659 if (breakFor)
Azure.IoT Build 0:fa2de1b79154 660 {
Azure.IoT Build 0:fa2de1b79154 661 LogError("error happened during JSON string builder");
Azure.IoT Build 0:fa2de1b79154 662 }
Azure.IoT Build 0:fa2de1b79154 663 else
Azure.IoT Build 0:fa2de1b79154 664 {
Azure.IoT Build 0:fa2de1b79154 665 if (STRING_concat(result, "}") != 0)
Azure.IoT Build 0:fa2de1b79154 666 {
Azure.IoT Build 0:fa2de1b79154 667 LogError("failed to build the JSON");
Azure.IoT Build 0:fa2de1b79154 668 STRING_delete(result);
Azure.IoT Build 0:fa2de1b79154 669 result = NULL;
Azure.IoT Build 0:fa2de1b79154 670 }
Azure.IoT Build 0:fa2de1b79154 671 else
Azure.IoT Build 0:fa2de1b79154 672 {
Azure.IoT Build 0:fa2de1b79154 673 /*return as is, JSON has been build*/
Azure.IoT Build 0:fa2de1b79154 674 }
Azure.IoT Build 0:fa2de1b79154 675 }
Azure.IoT Build 0:fa2de1b79154 676 }
Azure.IoT Build 0:fa2de1b79154 677 }
Azure.IoT Build 0:fa2de1b79154 678 return result;
Azure.IoT Build 0:fa2de1b79154 679
Azure.IoT Build 0:fa2de1b79154 680 }