Junichi Katsu / Mbed 2 deprecated MilkcocoaSample_Eth

データの保存、更新、取得ができるWebサービス「milkcocoa」に接続し、データのプッシュ、送信、取得ができるライブラリを使ったサンプルです。 EthernetIF版 https://mlkcca.com/

Dependencies:   EthernetInterface Milkcocoa_EthernetIF mbed-rtos mbed

ConfigFile/ConfigFile.cpp@9:561182aac695, 2017-10-31 (annotated)

Committer:
jksoft
Date:
Tue Oct 31 09:26:44 2017 +0000
Revision:
9:561182aac695
??

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 9:561182aac695 1 /**
jksoft 9:561182aac695 2 * Configuration file interface class (Version 0.0.1)
jksoft 9:561182aac695 3 *
jksoft 9:561182aac695 4 * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
jksoft 9:561182aac695 5 * http://shinta.main.jp/
jksoft 9:561182aac695 6 */
jksoft 9:561182aac695 7 #include "ConfigFile.h"
jksoft 9:561182aac695 8
jksoft 9:561182aac695 9 #define NEWLINE_UNIX "\n"
jksoft 9:561182aac695 10 #define NEWLINE_DOS "\r\n"
jksoft 9:561182aac695 11 #define NEWLINE_MAC "\r"
jksoft 9:561182aac695 12
jksoft 9:561182aac695 13 /**
jksoft 9:561182aac695 14 * Create a configuration file class.
jksoft 9:561182aac695 15 */
jksoft 9:561182aac695 16 ConfigFile::ConfigFile() {
jksoft 9:561182aac695 17 /*
jksoft 9:561182aac695 18 * Allocation for a config_t list.
jksoft 9:561182aac695 19 */
jksoft 9:561182aac695 20 configlist = (config_t **)malloc(sizeof(config_t *) * MAXCONFIG);
jksoft 9:561182aac695 21 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 22 configlist[i] = NULL;
jksoft 9:561182aac695 23 }
jksoft 9:561182aac695 24 }
jksoft 9:561182aac695 25
jksoft 9:561182aac695 26 /**
jksoft 9:561182aac695 27 * Destroy a configuration file class.
jksoft 9:561182aac695 28 */
jksoft 9:561182aac695 29 ConfigFile::~ConfigFile() {
jksoft 9:561182aac695 30 /*
jksoft 9:561182aac695 31 * Remove all storage and the contents.
jksoft 9:561182aac695 32 */
jksoft 9:561182aac695 33 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 34 config_t *cfg = configlist[i];
jksoft 9:561182aac695 35 if (cfg != NULL) {
jksoft 9:561182aac695 36 free(cfg->key);
jksoft 9:561182aac695 37 free(cfg->value);
jksoft 9:561182aac695 38 free(cfg);
jksoft 9:561182aac695 39 }
jksoft 9:561182aac695 40 configlist[i] = NULL;
jksoft 9:561182aac695 41 }
jksoft 9:561182aac695 42
jksoft 9:561182aac695 43 /*
jksoft 9:561182aac695 44 * Remove cnofig_t list.
jksoft 9:561182aac695 45 */
jksoft 9:561182aac695 46 free(configlist);
jksoft 9:561182aac695 47 configlist = NULL;
jksoft 9:561182aac695 48 }
jksoft 9:561182aac695 49
jksoft 9:561182aac695 50 /**
jksoft 9:561182aac695 51 * Get a value for a key.
jksoft 9:561182aac695 52 *
jksoft 9:561182aac695 53 * @param key A target key name.
jksoft 9:561182aac695 54 * @param value A pointer to a value storage.
jksoft 9:561182aac695 55 * @param siz A size of a value storage.
jksoft 9:561182aac695 56 * @return A value or NULL.
jksoft 9:561182aac695 57 */
jksoft 9:561182aac695 58 bool ConfigFile::getValue(char *key, char *value, size_t siz) {
jksoft 9:561182aac695 59 /*
jksoft 9:561182aac695 60 * Null check.
jksoft 9:561182aac695 61 */
jksoft 9:561182aac695 62 if (key == NULL) {
jksoft 9:561182aac695 63 return false;
jksoft 9:561182aac695 64 }
jksoft 9:561182aac695 65
jksoft 9:561182aac695 66 /*
jksoft 9:561182aac695 67 * Search a config_t object from the key.
jksoft 9:561182aac695 68 */
jksoft 9:561182aac695 69 config_t *p = search(key);
jksoft 9:561182aac695 70 if (p == NULL) {
jksoft 9:561182aac695 71 return false;
jksoft 9:561182aac695 72 }
jksoft 9:561182aac695 73
jksoft 9:561182aac695 74 /*
jksoft 9:561182aac695 75 * Check the storage size.
jksoft 9:561182aac695 76 */
jksoft 9:561182aac695 77 if (siz <= strlen(p->value)) {
jksoft 9:561182aac695 78 return false;
jksoft 9:561182aac695 79 }
jksoft 9:561182aac695 80
jksoft 9:561182aac695 81 /*
jksoft 9:561182aac695 82 * Copy the value to the storage.
jksoft 9:561182aac695 83 */
jksoft 9:561182aac695 84 strcpy(value, p->value);
jksoft 9:561182aac695 85 return true;
jksoft 9:561182aac695 86 }
jksoft 9:561182aac695 87
jksoft 9:561182aac695 88 /**
jksoft 9:561182aac695 89 * Set a set of a key and value.
jksoft 9:561182aac695 90 *
jksoft 9:561182aac695 91 * @param key A key.
jksoft 9:561182aac695 92 * @param value A value.
jksoft 9:561182aac695 93 *
jksoft 9:561182aac695 94 * @return True if it succeed.
jksoft 9:561182aac695 95 */
jksoft 9:561182aac695 96 bool ConfigFile::setValue(char *key, char *value) {
jksoft 9:561182aac695 97 /*
jksoft 9:561182aac695 98 * Null check.
jksoft 9:561182aac695 99 */
jksoft 9:561182aac695 100 if ((key == NULL) || (value == NULL)) {
jksoft 9:561182aac695 101 return false;
jksoft 9:561182aac695 102 }
jksoft 9:561182aac695 103
jksoft 9:561182aac695 104 /*
jksoft 9:561182aac695 105 * Size check.
jksoft 9:561182aac695 106 */
jksoft 9:561182aac695 107 if ((MAXLEN_KEY < strlen(key)) || (MAXLEN_VALUE < strlen(value))) {
jksoft 9:561182aac695 108 return false;
jksoft 9:561182aac695 109 }
jksoft 9:561182aac695 110
jksoft 9:561182aac695 111 /*
jksoft 9:561182aac695 112 * Search a config_t object from the key.
jksoft 9:561182aac695 113 */
jksoft 9:561182aac695 114 config_t *p = search(key);
jksoft 9:561182aac695 115 if (p == NULL) {
jksoft 9:561182aac695 116 /*
jksoft 9:561182aac695 117 * Allocation a memory for a new key.
jksoft 9:561182aac695 118 */
jksoft 9:561182aac695 119 char *k = (char *)malloc(sizeof(char) * (strlen(key) + 1));
jksoft 9:561182aac695 120 if (k == NULL) {
jksoft 9:561182aac695 121 return false;
jksoft 9:561182aac695 122 }
jksoft 9:561182aac695 123 strcpy(k, key);
jksoft 9:561182aac695 124
jksoft 9:561182aac695 125 /*
jksoft 9:561182aac695 126 * Allocation a memory for a new value.
jksoft 9:561182aac695 127 */
jksoft 9:561182aac695 128 char *v = (char *)malloc(sizeof(char) * (strlen(value) + 1));
jksoft 9:561182aac695 129 if (v == NULL) {
jksoft 9:561182aac695 130 free(k);
jksoft 9:561182aac695 131 return false;
jksoft 9:561182aac695 132 }
jksoft 9:561182aac695 133 strcpy(v, value);
jksoft 9:561182aac695 134
jksoft 9:561182aac695 135 /*
jksoft 9:561182aac695 136 * Allocation a memory for a new configuration.
jksoft 9:561182aac695 137 */
jksoft 9:561182aac695 138 config_t *cfg = (config_t *)malloc(sizeof(config_t) * 1);
jksoft 9:561182aac695 139 if (cfg == NULL) {
jksoft 9:561182aac695 140 free(k);
jksoft 9:561182aac695 141 free(v);
jksoft 9:561182aac695 142 return false;
jksoft 9:561182aac695 143 }
jksoft 9:561182aac695 144 cfg->key = k;
jksoft 9:561182aac695 145 cfg->value = v;
jksoft 9:561182aac695 146
jksoft 9:561182aac695 147 /*
jksoft 9:561182aac695 148 * Add the new configuration.
jksoft 9:561182aac695 149 */
jksoft 9:561182aac695 150 if (!add(cfg)) {
jksoft 9:561182aac695 151 free(k);
jksoft 9:561182aac695 152 free(v);
jksoft 9:561182aac695 153 free(cfg);
jksoft 9:561182aac695 154 return false;
jksoft 9:561182aac695 155 }
jksoft 9:561182aac695 156
jksoft 9:561182aac695 157 return true;
jksoft 9:561182aac695 158 } else {
jksoft 9:561182aac695 159 /*
jksoft 9:561182aac695 160 * The value is same.
jksoft 9:561182aac695 161 */
jksoft 9:561182aac695 162 if (strcmp(value, p->value) == 0) {
jksoft 9:561182aac695 163 return true;
jksoft 9:561182aac695 164 }
jksoft 9:561182aac695 165
jksoft 9:561182aac695 166 /*
jksoft 9:561182aac695 167 * Free a memory for the value.
jksoft 9:561182aac695 168 */
jksoft 9:561182aac695 169 free(p->value);
jksoft 9:561182aac695 170 p->value = NULL;
jksoft 9:561182aac695 171
jksoft 9:561182aac695 172 /*
jksoft 9:561182aac695 173 * Allocation memory for the new value.
jksoft 9:561182aac695 174 */
jksoft 9:561182aac695 175 char *v = (char *)malloc(sizeof(char) * (strlen(value) + 1));
jksoft 9:561182aac695 176 if (v == NULL) {
jksoft 9:561182aac695 177 return false;
jksoft 9:561182aac695 178 }
jksoft 9:561182aac695 179
jksoft 9:561182aac695 180 /*
jksoft 9:561182aac695 181 * Store it.
jksoft 9:561182aac695 182 */
jksoft 9:561182aac695 183 strcpy(v, value);
jksoft 9:561182aac695 184 p->value = v;
jksoft 9:561182aac695 185
jksoft 9:561182aac695 186 return true;
jksoft 9:561182aac695 187 }
jksoft 9:561182aac695 188 }
jksoft 9:561182aac695 189
jksoft 9:561182aac695 190 /**
jksoft 9:561182aac695 191 * Remove a config.
jksoft 9:561182aac695 192 *
jksoft 9:561182aac695 193 * @param key A key.
jksoft 9:561182aac695 194 *
jksoft 9:561182aac695 195 * @return True if it succeed.
jksoft 9:561182aac695 196 */
jksoft 9:561182aac695 197 bool ConfigFile::remove(char *key) {
jksoft 9:561182aac695 198 if (key == NULL) {
jksoft 9:561182aac695 199 return false;
jksoft 9:561182aac695 200 }
jksoft 9:561182aac695 201 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 202 config_t *cfg = configlist[i];
jksoft 9:561182aac695 203 if (cfg != NULL) {
jksoft 9:561182aac695 204 if (strcmp(cfg->key, key) == 0) {
jksoft 9:561182aac695 205 free(cfg->key);
jksoft 9:561182aac695 206 free(cfg->value);
jksoft 9:561182aac695 207 free(cfg);
jksoft 9:561182aac695 208 configlist[i] = NULL;
jksoft 9:561182aac695 209 return true;
jksoft 9:561182aac695 210 }
jksoft 9:561182aac695 211 }
jksoft 9:561182aac695 212 }
jksoft 9:561182aac695 213 return false;
jksoft 9:561182aac695 214 }
jksoft 9:561182aac695 215
jksoft 9:561182aac695 216 /**
jksoft 9:561182aac695 217 * Remove all config.
jksoft 9:561182aac695 218 *
jksoft 9:561182aac695 219 * @return True if it succeed.
jksoft 9:561182aac695 220 */
jksoft 9:561182aac695 221 bool ConfigFile::removeAll(void) {
jksoft 9:561182aac695 222 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 223 config_t *p = configlist[i];
jksoft 9:561182aac695 224 if (p != NULL) {
jksoft 9:561182aac695 225 free(p->key);
jksoft 9:561182aac695 226 free(p->value);
jksoft 9:561182aac695 227 }
jksoft 9:561182aac695 228 free(p);
jksoft 9:561182aac695 229 configlist[i] = NULL;
jksoft 9:561182aac695 230 }
jksoft 9:561182aac695 231 return true;
jksoft 9:561182aac695 232 }
jksoft 9:561182aac695 233
jksoft 9:561182aac695 234 /**
jksoft 9:561182aac695 235 * Get a number of configuration sets.
jksoft 9:561182aac695 236 *
jksoft 9:561182aac695 237 * @return number of configuration sets.
jksoft 9:561182aac695 238 */
jksoft 9:561182aac695 239 int ConfigFile::getCount() {
jksoft 9:561182aac695 240 int cnt = 0;
jksoft 9:561182aac695 241 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 242 config_t *p = configlist[i];
jksoft 9:561182aac695 243 if (p != NULL) {
jksoft 9:561182aac695 244 cnt++;
jksoft 9:561182aac695 245 }
jksoft 9:561182aac695 246 }
jksoft 9:561182aac695 247 return cnt;
jksoft 9:561182aac695 248 }
jksoft 9:561182aac695 249
jksoft 9:561182aac695 250 /**
jksoft 9:561182aac695 251 * Get a key and a value.
jksoft 9:561182aac695 252 *
jksoft 9:561182aac695 253 * @param index Index number of this list.
jksoft 9:561182aac695 254 * @param key A pointer to a buffer for key.
jksoft 9:561182aac695 255 * @param keybufsiz A size of the key buffer.
jksoft 9:561182aac695 256 * @param value A pointer to a buffer for value.
jksoft 9:561182aac695 257 * @param valuebufsiz A size of the value buffer.
jksoft 9:561182aac695 258 *
jksoft 9:561182aac695 259 * @return true if it succeed.
jksoft 9:561182aac695 260 */
jksoft 9:561182aac695 261 bool ConfigFile::getKeyAndValue(int index, char *key, size_t keybufsiz, char *value, size_t valuebufsiz) {
jksoft 9:561182aac695 262 int cnt = 0;
jksoft 9:561182aac695 263 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 264 config_t *p = configlist[i];
jksoft 9:561182aac695 265 if (p != NULL) {
jksoft 9:561182aac695 266 if (cnt == index) {
jksoft 9:561182aac695 267 if ((strlen(p->key) < keybufsiz) && (strlen(p->value) < valuebufsiz)) {
jksoft 9:561182aac695 268 strcpy(key, p->key);
jksoft 9:561182aac695 269 strcpy(value, p->value);
jksoft 9:561182aac695 270 return true;
jksoft 9:561182aac695 271 }
jksoft 9:561182aac695 272 return false;
jksoft 9:561182aac695 273 }
jksoft 9:561182aac695 274 cnt++;
jksoft 9:561182aac695 275 }
jksoft 9:561182aac695 276 }
jksoft 9:561182aac695 277 return false;
jksoft 9:561182aac695 278 }
jksoft 9:561182aac695 279
jksoft 9:561182aac695 280 /**
jksoft 9:561182aac695 281 * Read from the target file.
jksoft 9:561182aac695 282 *
jksoft 9:561182aac695 283 * @param file A target file name.
jksoft 9:561182aac695 284 */
jksoft 9:561182aac695 285 bool ConfigFile::read(char *file) {
jksoft 9:561182aac695 286 /*
jksoft 9:561182aac695 287 * Open the target file.
jksoft 9:561182aac695 288 */
jksoft 9:561182aac695 289 FILE *fp = fopen(file, "r");
jksoft 9:561182aac695 290 if (fp == NULL) {
jksoft 9:561182aac695 291 return false;
jksoft 9:561182aac695 292 }
jksoft 9:561182aac695 293
jksoft 9:561182aac695 294 /*
jksoft 9:561182aac695 295 * Remove all configuration.
jksoft 9:561182aac695 296 */
jksoft 9:561182aac695 297 removeAll();
jksoft 9:561182aac695 298
jksoft 9:561182aac695 299 /*
jksoft 9:561182aac695 300 * Read from a file.
jksoft 9:561182aac695 301 */
jksoft 9:561182aac695 302 char buf[MAXLEN_KEY + 8 + MAXLEN_VALUE];
jksoft 9:561182aac695 303 while (fgets(buf, sizeof(buf), fp) != NULL) {
jksoft 9:561182aac695 304 /*
jksoft 9:561182aac695 305 * Ignore a comment.
jksoft 9:561182aac695 306 */
jksoft 9:561182aac695 307 if (buf[0] == '#') {
jksoft 9:561182aac695 308 continue;
jksoft 9:561182aac695 309 }
jksoft 9:561182aac695 310
jksoft 9:561182aac695 311 /*
jksoft 9:561182aac695 312 * Trim a return.
jksoft 9:561182aac695 313 */
jksoft 9:561182aac695 314 const size_t len = strlen(buf);
jksoft 9:561182aac695 315 for (int i = 0; i < len; i++) {
jksoft 9:561182aac695 316 if ((buf[i] == '\r') || (buf[i] == '\n')) {
jksoft 9:561182aac695 317 buf[i] = '\0';
jksoft 9:561182aac695 318 }
jksoft 9:561182aac695 319 }
jksoft 9:561182aac695 320
jksoft 9:561182aac695 321 /*
jksoft 9:561182aac695 322 * Separate key and value.
jksoft 9:561182aac695 323 */
jksoft 9:561182aac695 324 char k[MAXLEN_KEY];
jksoft 9:561182aac695 325 char v[MAXLEN_VALUE];
jksoft 9:561182aac695 326 char *sp = strchr(buf, SEPARATOR);
jksoft 9:561182aac695 327 if (sp != NULL) {
jksoft 9:561182aac695 328 strcpy(v, sp + 1);
jksoft 9:561182aac695 329 *sp = '\0';
jksoft 9:561182aac695 330 strcpy(k, buf);
jksoft 9:561182aac695 331 setValue(k, v);
jksoft 9:561182aac695 332 }
jksoft 9:561182aac695 333 }
jksoft 9:561182aac695 334 fclose(fp);
jksoft 9:561182aac695 335 return true;
jksoft 9:561182aac695 336 }
jksoft 9:561182aac695 337
jksoft 9:561182aac695 338 /**
jksoft 9:561182aac695 339 * Write from the target file.
jksoft 9:561182aac695 340 *
jksoft 9:561182aac695 341 * @param file A pointer to a file name.
jksoft 9:561182aac695 342 * @param header A pointer to a header.
jksoft 9:561182aac695 343 * @param ff File format.
jksoft 9:561182aac695 344 */
jksoft 9:561182aac695 345 bool ConfigFile::write(char *file, char *header, FileFormat ff) {
jksoft 9:561182aac695 346 /*
jksoft 9:561182aac695 347 * Open the target file.
jksoft 9:561182aac695 348 */
jksoft 9:561182aac695 349 FILE *fp = fopen(file, "w");
jksoft 9:561182aac695 350 if (fp == NULL) {
jksoft 9:561182aac695 351 return false;
jksoft 9:561182aac695 352 }
jksoft 9:561182aac695 353
jksoft 9:561182aac695 354 /*
jksoft 9:561182aac695 355 * Set a type of new line.
jksoft 9:561182aac695 356 */
jksoft 9:561182aac695 357 char *newline = NEWLINE_UNIX;
jksoft 9:561182aac695 358 switch (ff) {
jksoft 9:561182aac695 359 case UNIX:
jksoft 9:561182aac695 360 newline = NEWLINE_UNIX;
jksoft 9:561182aac695 361 break;
jksoft 9:561182aac695 362 case MAC:
jksoft 9:561182aac695 363 newline = NEWLINE_MAC;
jksoft 9:561182aac695 364 break;
jksoft 9:561182aac695 365 case DOS:
jksoft 9:561182aac695 366 newline = NEWLINE_DOS;
jksoft 9:561182aac695 367 break;
jksoft 9:561182aac695 368 default:
jksoft 9:561182aac695 369 newline = NEWLINE_UNIX;
jksoft 9:561182aac695 370 break;
jksoft 9:561182aac695 371 }
jksoft 9:561182aac695 372
jksoft 9:561182aac695 373 /*
jksoft 9:561182aac695 374 * Write the header.
jksoft 9:561182aac695 375 */
jksoft 9:561182aac695 376 if (header != NULL) {
jksoft 9:561182aac695 377 fprintf(fp, "%s%s", header, newline);
jksoft 9:561182aac695 378 }
jksoft 9:561182aac695 379
jksoft 9:561182aac695 380 /*
jksoft 9:561182aac695 381 * Write the data.
jksoft 9:561182aac695 382 */
jksoft 9:561182aac695 383 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 384 config_t *cfg = configlist[i];
jksoft 9:561182aac695 385 if (cfg != NULL) {
jksoft 9:561182aac695 386 fprintf(fp, "%s=%s%s", cfg->key, cfg->value, newline);
jksoft 9:561182aac695 387 }
jksoft 9:561182aac695 388 }
jksoft 9:561182aac695 389 fclose(fp);
jksoft 9:561182aac695 390 return true;
jksoft 9:561182aac695 391 }
jksoft 9:561182aac695 392
jksoft 9:561182aac695 393 ConfigFile::config_t *ConfigFile::search(char *key) {
jksoft 9:561182aac695 394 if (key == NULL) {
jksoft 9:561182aac695 395 return NULL;
jksoft 9:561182aac695 396 }
jksoft 9:561182aac695 397 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 398 if (configlist[i] != NULL) {
jksoft 9:561182aac695 399 if (strcmp(configlist[i]->key, key) == 0) {
jksoft 9:561182aac695 400 return configlist[i];
jksoft 9:561182aac695 401 }
jksoft 9:561182aac695 402 }
jksoft 9:561182aac695 403 }
jksoft 9:561182aac695 404 return NULL;
jksoft 9:561182aac695 405 }
jksoft 9:561182aac695 406
jksoft 9:561182aac695 407 bool ConfigFile::add(config_t *cfg) {
jksoft 9:561182aac695 408 for (int i = 0; i < MAXCONFIG; i++) {
jksoft 9:561182aac695 409 if (configlist[i] == NULL) {
jksoft 9:561182aac695 410 configlist[i] = cfg;
jksoft 9:561182aac695 411 return true;
jksoft 9:561182aac695 412 }
jksoft 9:561182aac695 413 }
jksoft 9:561182aac695 414 return false;
jksoft 9:561182aac695 415 }