Mercurial > hg > nnchat
annotate th_config.c @ 138:3e221c16b087
Improvements in configuration file handing.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Tue, 02 Nov 2010 21:46:16 +0200 |
| parents | 26fe4dab7e78 |
| children | c6c3825376c9 |
| rev | line source |
|---|---|
| 133 | 1 /* |
| 2 * Very simple configuration handling functions | |
| 3 * Programmed and designed by Matti 'ccr' Hamalainen | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
4 * (C) Copyright 2004-2010 Tecnic Software productions (TNSP) |
| 133 | 5 * |
| 6 * Please read file 'COPYING' for information on license and distribution. | |
| 7 */ | |
| 8 #ifdef HAVE_CONFIG_H | |
| 9 #include "config.h" | |
| 10 #endif | |
| 11 #include <stdio.h> | |
| 12 #include <stdarg.h> | |
| 13 #include "th_config.h" | |
| 14 #include "th_util.h" | |
| 15 #include "th_string.h" | |
| 16 | |
| 17 #define SET_MAX_BUF (8192) | |
| 18 | |
| 19 | |
| 20 /* Free a given configuration (the values are not free'd) | |
| 21 */ | |
| 22 void th_cfg_free(cfgitem_t *cfg) | |
| 23 { | |
| 24 cfgitem_t *curr = cfg; | |
| 25 | |
| 26 while (curr != NULL) { | |
| 27 cfgitem_t *next = curr->next; | |
| 28 | |
| 29 if (curr->type == ITEM_SECTION) | |
| 30 th_cfg_free((cfgitem_t *) curr->data); | |
| 31 | |
| 32 th_free(curr->name); | |
| 33 th_free(curr); | |
| 34 curr = next; | |
| 35 } | |
| 36 } | |
| 37 | |
| 38 | |
| 39 /* Allocate and add new item to configuration | |
| 40 */ | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
41 static cfgitem_t *th_cfg_add(cfgitem_t **cfg, const char *name, const int type, void *data) |
| 133 | 42 { |
| 43 cfgitem_t *node; | |
| 44 | |
| 45 if (cfg == NULL) | |
| 46 return NULL; | |
| 47 | |
| 48 /* Allocate new item */ | |
| 49 node = (cfgitem_t *) th_calloc(1, sizeof(cfgitem_t)); | |
| 50 if (node == NULL) | |
| 51 return NULL; | |
| 52 | |
| 53 /* Set values */ | |
| 54 node->type = type; | |
| 55 node->data = data; | |
| 56 node->name = th_strdup(name); | |
| 57 | |
| 58 /* Insert into linked list */ | |
| 59 if (*cfg != NULL) { | |
| 60 node->prev = (*cfg)->prev; | |
| 61 (*cfg)->prev->next = node; | |
| 62 (*cfg)->prev = node; | |
| 63 } else { | |
| 64 *cfg = node; | |
| 65 node->prev = node; | |
| 66 } | |
| 67 node->next = NULL; | |
| 68 | |
| 69 return node; | |
| 70 } | |
| 71 | |
| 72 | |
| 73 /* Add integer type setting into give configuration | |
| 74 */ | |
| 75 int th_cfg_add_int(cfgitem_t ** cfg, char * name, | |
| 76 int *itemData, int itemDef) | |
| 77 { | |
| 78 cfgitem_t *node; | |
| 79 | |
| 80 node = th_cfg_add(cfg, name, ITEM_INT, (void *) itemData); | |
| 81 if (node == NULL) | |
| 82 return -1; | |
| 83 | |
| 84 *itemData = itemDef; | |
| 85 | |
| 86 return 0; | |
| 87 } | |
| 88 | |
| 89 | |
| 90 int th_cfg_add_hexvalue(cfgitem_t ** cfg, char * name, | |
| 91 int *itemData, int itemDef) | |
| 92 { | |
| 93 cfgitem_t *node; | |
| 94 | |
| 95 node = th_cfg_add(cfg, name, ITEM_HEX_TRIPLET, (void *) itemData); | |
| 96 if (node == NULL) | |
| 97 return -1; | |
| 98 | |
| 99 *itemData = itemDef; | |
| 100 | |
| 101 return 0; | |
| 102 } | |
| 103 | |
| 104 | |
| 105 /* Add unsigned integer type setting into give configuration | |
| 106 */ | |
| 107 int th_cfg_add_uint(cfgitem_t ** cfg, char * name, | |
| 108 unsigned int * itemData, unsigned int itemDef) | |
| 109 { | |
| 110 cfgitem_t *node; | |
| 111 | |
| 112 node = th_cfg_add(cfg, name, ITEM_UINT, (void *) itemData); | |
| 113 if (node == NULL) | |
| 114 return -1; | |
| 115 | |
| 116 *itemData = itemDef; | |
| 117 | |
| 118 return 0; | |
| 119 } | |
| 120 | |
| 121 | |
| 122 /* Add strint type setting into given configuration | |
| 123 */ | |
| 124 int th_cfg_add_string(cfgitem_t ** cfg, char * name, | |
| 125 char ** itemData, char * itemDef) | |
| 126 { | |
| 127 cfgitem_t *node; | |
| 128 | |
| 129 node = th_cfg_add(cfg, name, ITEM_STRING, (void *) itemData); | |
| 130 if (node == NULL) | |
| 131 return -1; | |
| 132 | |
| 133 *itemData = th_strdup(itemDef); | |
| 134 | |
| 135 return 0; | |
| 136 } | |
| 137 | |
| 138 | |
| 139 /* Add boolean type setting into given configuration | |
| 140 */ | |
| 141 int th_cfg_add_bool(cfgitem_t ** cfg, char * name, | |
| 142 BOOL * itemData, BOOL itemDef) | |
| 143 { | |
| 144 cfgitem_t *node; | |
| 145 | |
| 146 node = th_cfg_add(cfg, name, ITEM_BOOL, (void *) itemData); | |
| 147 if (node == NULL) | |
| 148 return -1; | |
| 149 | |
| 150 *itemData = itemDef; | |
| 151 | |
| 152 return 0; | |
| 153 } | |
| 154 | |
| 155 | |
| 156 /* Add implicit comment | |
| 157 */ | |
| 158 int th_cfg_add_comment(cfgitem_t ** cfg, char * comment) | |
| 159 { | |
| 160 cfgitem_t *node; | |
| 161 | |
| 162 node = th_cfg_add(cfg, comment, ITEM_COMMENT, NULL); | |
| 163 if (node == NULL) | |
| 164 return -1; | |
| 165 | |
| 166 return 0; | |
| 167 } | |
| 168 | |
| 169 | |
| 170 /* Add new section | |
| 171 */ | |
| 172 int th_cfg_add_section(cfgitem_t ** cfg, char * name, cfgitem_t *data) | |
| 173 { | |
| 174 cfgitem_t *node; | |
| 175 | |
| 176 node = th_cfg_add(cfg, name, ITEM_SECTION, (void *) data); | |
| 177 if (node == NULL) | |
| 178 return -1; | |
| 179 | |
| 180 return 0; | |
| 181 } | |
| 182 | |
| 183 | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
184 int th_cfg_add_string_list(cfgitem_t ** cfg, char * name, qlist_t **data) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
185 { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
186 cfgitem_t *node; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
187 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
188 if (data == NULL) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
189 return -5; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
190 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
191 node = th_cfg_add(cfg, name, ITEM_STRING_LIST, (void *) data); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
192 if (node == NULL) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
193 return -1; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
194 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
195 return 0; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
196 } |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
197 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
198 |
| 133 | 199 /* Read a given file into configuration structure and variables |
| 200 */ | |
| 201 enum { | |
| 202 PM_EOF, | |
| 203 PM_ERROR, | |
| 204 PM_NORMAL, | |
| 205 PM_COMMENT, | |
| 206 PM_NEXT, | |
| 207 PM_KEYNAME, | |
| 208 PM_KEYSET, | |
| 209 PM_STRING, | |
| 210 PM_INT, | |
| 211 PM_BOOL, | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
212 PM_SECTION, |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
213 PM_ARRAY |
| 133 | 214 }; |
| 215 | |
| 216 #define VADDCH(ch) if (strPos < SET_MAX_BUF) { tmpStr[strPos++] = ch; } | |
| 217 #define VISEND(ch) (ch == '\r' || ch == '\n' || ch == ';' || th_isspace(c) || ch == '#') | |
| 218 | |
| 219 typedef struct { | |
| 220 FILE *file; | |
| 221 char *filename; | |
| 222 size_t line; | |
| 223 } conffile_t; | |
| 224 | |
| 225 | |
| 226 static void th_cfg_error(conffile_t *f, const char *fmt, ...) | |
| 227 { | |
| 228 va_list ap; | |
| 229 va_start(ap, fmt); | |
| 230 fprintf(stderr, "%s: '%s', line #%d: ", th_prog_name, f->filename, f->line); | |
| 231 vfprintf(stderr, fmt, ap); | |
| 232 va_end(ap); | |
| 233 } | |
| 234 | |
| 235 | |
| 236 static int th_cfg_read_sect(conffile_t *f, cfgitem_t * cfg, int nesting) | |
| 237 { | |
| 238 cfgitem_t *item = NULL; | |
| 239 char tmpStr[SET_MAX_BUF + 1]; | |
| 240 size_t strPos; | |
| 241 int c, parseMode, prevMode, nextMode, tmpCh; | |
| 242 BOOL isFound, isStart, isError, validError; | |
| 243 | |
| 244 /* Initialize values */ | |
| 245 tmpCh = 0; | |
| 246 strPos = 0; | |
| 247 c = -1; | |
| 248 isFound = isStart = isError = validError = FALSE; | |
| 249 nextMode = prevMode = parseMode = PM_NORMAL; | |
| 250 | |
| 251 /* Parse the configuration */ | |
| 252 while (parseMode != PM_EOF && parseMode != PM_ERROR) { | |
| 253 if (c == -1) { | |
| 254 /* Get next character */ | |
| 255 switch (c = fgetc(f->file)) { | |
| 256 case EOF: | |
| 257 if (parseMode != PM_NORMAL) { | |
| 258 th_cfg_error(f, | |
| 259 "Unexpected end of file.\n"); | |
| 260 parseMode = PM_ERROR; | |
| 261 } else | |
| 262 parseMode = PM_EOF; | |
| 263 break; | |
| 264 | |
| 265 case '\n': | |
| 266 f->line++; | |
| 267 } | |
| 268 } | |
| 269 | |
| 270 switch (parseMode) { | |
| 271 case PM_COMMENT: | |
| 272 /* Comment parsing mode */ | |
| 273 if (c == '\n') { | |
| 274 /* End of line, end of comment */ | |
| 275 parseMode = prevMode; | |
| 276 prevMode = PM_COMMENT; | |
| 277 } | |
| 278 c = -1; | |
| 279 break; | |
| 280 | |
| 281 case PM_NORMAL: | |
| 282 /* Normal parsing mode */ | |
| 283 if (c == '#') { | |
| 284 prevMode = parseMode; | |
| 285 parseMode = PM_COMMENT; | |
| 286 c = -1; | |
| 287 } else if (VISEND(c)) { | |
| 288 c = -1; | |
| 289 } else if (c == '}') { | |
| 290 if (nesting > 0) { | |
| 291 /* Check for validation errors */ | |
| 292 return (validError) ? 1 : 0; | |
| 293 } else { | |
| 294 th_cfg_error(f, "Invalid nesting sequence encountered.\n"); | |
| 295 parseMode = PM_ERROR; | |
| 296 } | |
| 297 } else if (th_isalpha(c)) { | |
| 298 /* Start of key name found */ | |
| 299 prevMode = parseMode; | |
| 300 parseMode = PM_KEYNAME; | |
| 301 strPos = 0; | |
| 302 } else { | |
| 303 /* Error! Invalid character found */ | |
| 304 th_cfg_error(f, | |
| 305 "Unexpected character '%c'.\n", c); | |
| 306 parseMode = PM_ERROR; | |
| 307 } | |
| 308 break; | |
| 309 | |
| 310 case PM_KEYNAME: | |
| 311 /* Configuration KEY name parsing mode */ | |
| 312 if (c == '#') { | |
| 313 /* Start of comment */ | |
| 314 prevMode = parseMode; | |
| 315 parseMode = PM_COMMENT; | |
| 316 c = -1; | |
| 317 } else if (th_iscrlf(c) || th_isspace(c) || c == '=') { | |
| 318 /* End of key name */ | |
| 319 prevMode = parseMode; | |
| 320 parseMode = PM_NEXT; | |
| 321 nextMode = PM_KEYSET; | |
| 322 } else if (th_isalnum(c) || c == '_') { | |
| 323 /* Add to key name string */ | |
| 324 VADDCH(c) | |
| 325 else | |
| 326 { | |
| 327 /* Error! Key name string too long! */ | |
| 328 th_cfg_error(f, | |
| 329 "Config key name too long!"); | |
| 330 parseMode = PM_ERROR; | |
| 331 } | |
| 332 c = -1; | |
| 333 } else { | |
| 334 /* Error! Invalid character found */ | |
| 335 tmpStr[strPos] = 0; | |
| 336 th_cfg_error(f, | |
| 337 "Unexpected character '%c' in key name '%s'.\n", c, tmpStr); | |
| 338 parseMode = PM_ERROR; | |
| 339 } | |
| 340 break; | |
| 341 | |
| 342 case PM_KEYSET: | |
| 343 if (c == '=') { | |
| 344 /* Find key from configuration */ | |
| 345 tmpStr[strPos] = 0; | |
| 346 isFound = FALSE; | |
| 347 item = cfg; | |
| 348 while (item != NULL && !isFound) { | |
| 349 if (item->name != NULL && strcmp(item->name, tmpStr) == 0) | |
| 350 isFound = TRUE; | |
| 351 else | |
| 352 item = item->next; | |
| 353 } | |
| 354 | |
| 355 /* Check if key was found */ | |
| 356 if (isFound) { | |
| 357 /* Okay, set next mode */ | |
| 358 switch (item->type) { | |
| 359 case ITEM_HEX_TRIPLET: | |
| 360 case ITEM_STRING: | |
| 361 nextMode = PM_STRING; | |
| 362 break; | |
| 363 | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
364 case ITEM_STRING_LIST: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
365 nextMode = PM_ARRAY; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
366 break; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
367 |
| 133 | 368 case ITEM_INT: |
| 369 case ITEM_UINT: | |
| 370 nextMode = PM_INT; | |
| 371 break; | |
| 372 | |
| 373 case ITEM_BOOL: | |
| 374 nextMode = PM_BOOL; | |
| 375 break; | |
| 376 | |
| 377 case ITEM_SECTION: | |
| 378 nextMode = PM_SECTION; | |
| 379 break; | |
| 380 } | |
| 381 | |
| 382 prevMode = parseMode; | |
| 383 parseMode = PM_NEXT; | |
| 384 isStart = TRUE; | |
| 385 strPos = 0; | |
| 386 } else { | |
| 387 /* Error! No configuration key by this name found */ | |
| 388 th_cfg_error(f, | |
| 389 "No such configuration setting ('%s')\n", tmpStr); | |
| 390 parseMode = PM_ERROR; | |
| 391 } | |
| 392 | |
| 393 c = -1; | |
| 394 } else { | |
| 395 /* Error! '=' expected! */ | |
| 396 th_cfg_error(f, | |
| 397 "Unexpected character '%c', assignation '=' was expected.\n", c); | |
| 398 parseMode = PM_ERROR; | |
| 399 } | |
| 400 break; | |
| 401 | |
| 402 case PM_NEXT: | |
| 403 /* Search next item parsing mode */ | |
| 404 if (c == '#') { | |
| 405 /* Start of comment */ | |
| 406 prevMode = parseMode; | |
| 407 parseMode = PM_COMMENT; | |
| 408 } else if (th_isspace(c) || th_iscrlf(c)) { | |
| 409 /* Ignore whitespaces and linechanges */ | |
| 410 c = -1; | |
| 411 } else { | |
| 412 /* Next item found */ | |
| 413 prevMode = parseMode; | |
| 414 parseMode = nextMode; | |
| 415 } | |
| 416 break; | |
| 417 | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
418 case PM_ARRAY: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
419 if (isStart) { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
420 switch (item->type) { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
421 case ITEM_STRING_LIST: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
422 prevMode = parseMode; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
423 parseMode = PM_STRING; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
424 break; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
425 } |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
426 } else if (c == ',') { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
427 switch (item->type) { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
428 case ITEM_STRING_LIST: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
429 prevMode = parseMode; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
430 parseMode = PM_STRING; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
431 break; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
432 } |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
433 } else { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
434 prevMode = parseMode; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
435 parseMode = PM_NORMAL; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
436 } |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
437 break; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
438 |
| 133 | 439 case PM_SECTION: |
| 440 /* Section parsing mode */ | |
| 441 if (c != '{') { | |
| 442 /* Error! Section start '{' expected! */ | |
| 443 th_cfg_error(f, | |
| 444 "Unexpected character '%c', section start '{' was expected.\n", c); | |
| 445 parseMode = PM_ERROR; | |
| 446 } else { | |
| 447 int res = th_cfg_read_sect(f, (cfgitem_t *) item->data, nesting + 1); | |
| 448 c = -1; | |
| 449 if (res > 0) | |
| 450 validError = TRUE; | |
| 451 else if (res < 0) | |
| 452 parseMode = PM_ERROR; | |
| 453 else { | |
| 454 prevMode = parseMode; | |
| 455 parseMode = PM_NORMAL; | |
| 456 } | |
| 457 } | |
| 458 break; | |
| 459 | |
| 460 case PM_STRING: | |
| 461 /* String parsing mode */ | |
| 462 if (isStart) { | |
| 463 /* Start of string, get delimiter */ | |
| 464 tmpCh = c; | |
| 465 isStart = FALSE; | |
| 466 strPos = 0; | |
| 467 } else if (c == tmpCh) { | |
| 468 /* End of string, set the value */ | |
| 469 tmpStr[strPos] = 0; | |
| 470 | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
471 switch (item->type) { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
472 case ITEM_HEX_TRIPLET: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
473 *(int *) item->data = th_get_hex_triplet(tmpStr); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
474 prevMode = parseMode; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
475 parseMode = PM_NORMAL; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
476 break; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
477 case ITEM_STRING: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
478 th_pstrcpy((char **) item->data, tmpStr); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
479 prevMode = parseMode; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
480 parseMode = PM_NORMAL; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
481 break; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
482 case ITEM_STRING_LIST: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
483 // th_cfg_add_to_array(item, th_strdup(tmpStr)); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
484 prevMode = parseMode; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
485 parseMode = PM_NEXT; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
486 nextMode = PM_ARRAY; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
487 break; |
| 133 | 488 } |
| 489 | |
| 490 } else { | |
| 491 /* Add character to string */ | |
| 492 VADDCH(c) | |
| 493 else | |
| 494 { | |
| 495 /* Error! String too long! */ | |
| 496 th_cfg_error(f, | |
| 497 "String too long! Maximum is %d characters.", | |
| 498 SET_MAX_BUF); | |
| 499 parseMode = PM_ERROR; | |
| 500 } | |
| 501 } | |
| 502 | |
| 503 c = -1; | |
| 504 break; | |
| 505 | |
| 506 case PM_INT: | |
| 507 /* Integer parsing mode */ | |
| 508 if (isStart && item->type == ITEM_UINT && c == '-') { | |
| 509 /* Error! Negative values not allowed for unsigned ints */ | |
| 510 th_cfg_error(f, | |
| 511 "Negative value specified for %s, unsigned value expected.", | |
| 512 item->name); | |
| 513 parseMode = PM_ERROR; | |
| 514 } else if (isStart && (c == '-' || c == '+')) { | |
| 515 VADDCH(c) | |
| 516 else | |
| 517 isError = TRUE; | |
| 518 } else if (th_isdigit(c)) { | |
| 519 VADDCH(c) | |
| 520 else | |
| 521 isError = TRUE; | |
| 522 } else if (VISEND(c)) { | |
| 523 /* End of integer parsing mode */ | |
| 524 tmpStr[strPos] = 0; | |
| 525 switch (item->type) { | |
| 526 case ITEM_INT: | |
| 527 *((int *) item->data) = atoi(tmpStr); | |
| 528 break; | |
| 529 | |
| 530 case ITEM_UINT: | |
| 531 *((unsigned int *) item->data) = atol(tmpStr); | |
| 532 break; | |
| 533 } | |
| 534 | |
| 535 prevMode = parseMode; | |
| 536 parseMode = PM_NORMAL; | |
| 537 } else { | |
| 538 /* Error! Unexpected character. */ | |
| 539 th_cfg_error(f, | |
| 540 "Unexpected character '%c' for integer setting '%s'.", | |
| 541 c, item->name); | |
| 542 parseMode = PM_ERROR; | |
| 543 } | |
| 544 | |
| 545 if (isError) { | |
| 546 /* Error! String too long! */ | |
| 547 th_cfg_error(f, "String too long! Maximum is %d characters.", | |
| 548 SET_MAX_BUF); | |
| 549 parseMode = PM_ERROR; | |
| 550 } | |
| 551 | |
| 552 isStart = FALSE; | |
| 553 c = -1; | |
| 554 break; | |
| 555 | |
| 556 case PM_BOOL: | |
| 557 /* Boolean parsing mode */ | |
| 558 if (isStart) { | |
| 559 tmpCh = c; | |
| 560 isStart = FALSE; | |
| 561 } else if (VISEND(c)) { | |
| 562 BOOL tmpBool; | |
| 563 | |
| 564 /* End of boolean parsing */ | |
| 565 switch (tmpCh) { | |
| 566 case 'Y': case 'y': | |
| 567 case 'T': case 't': | |
| 568 case '1': | |
| 569 tmpBool = TRUE; | |
| 570 break; | |
| 571 | |
| 572 case 'N': case 'n': | |
| 573 case 'F': case 'f': | |
| 574 case '0': | |
| 575 tmpBool = FALSE; | |
| 576 break; | |
| 577 | |
| 578 default: | |
| 579 isError = TRUE; | |
| 580 } | |
| 581 | |
| 582 if (isError) { | |
| 583 th_cfg_error(f, "Invalid boolean value for '%s'.\n", item->name); | |
| 584 parseMode = PM_ERROR; | |
| 585 } else { | |
| 586 *((BOOL *) item->data) = tmpBool; | |
| 587 | |
| 588 prevMode = parseMode; | |
| 589 parseMode = PM_NORMAL; | |
| 590 } | |
| 591 } | |
| 592 c = -1; | |
| 593 break; | |
| 594 } | |
| 595 } | |
| 596 | |
| 597 /* Check for validation errors */ | |
| 598 if (validError) | |
| 599 return 1; | |
| 600 | |
| 601 /* Return result */ | |
| 602 if (parseMode == PM_ERROR) | |
| 603 return -2; | |
| 604 else | |
| 605 return 0; | |
| 606 } | |
| 607 | |
| 608 | |
| 609 int th_cfg_read(FILE *inFile, char *filename, cfgitem_t * cfg) | |
| 610 { | |
| 611 conffile_t f; | |
| 612 | |
| 613 f.file = inFile; | |
| 614 f.filename = filename; | |
| 615 f.line = 1; | |
| 616 | |
| 617 return th_cfg_read_sect(&f, cfg, 0); | |
| 618 } | |
| 619 | |
| 620 | |
| 621 /* Write a configuration into file | |
| 622 */ | |
| 623 static void th_print_indent(conffile_t *f, int nesting) | |
| 624 { | |
| 625 int i; | |
| 626 for (i = 0; i < nesting * 2; i++) | |
| 627 fputc(' ', f->file); | |
| 628 } | |
| 629 | |
| 630 | |
| 631 static int th_cfg_write_sect(conffile_t *f, cfgitem_t *item, int nesting) | |
| 632 { | |
| 633 while (item != NULL) { | |
| 634 if (item->type == ITEM_COMMENT) { | |
| 635 th_print_indent(f, nesting); | |
| 636 if (fprintf(f->file, "# %s\n", (item->name != NULL) ? item->name : "" ) < 0) | |
| 637 return -1; | |
| 638 } else | |
| 639 if (item->name != NULL) { | |
| 640 th_print_indent(f, nesting); | |
| 641 | |
| 642 switch (item->type) { | |
| 643 case ITEM_STRING: | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
644 if (*(item->val_str) == NULL) { |
| 133 | 645 if (fprintf(f->file, "#%s = \"\"\n", item->name) < 0) |
| 646 return -3; | |
| 647 } else { | |
| 648 if (fprintf(f->file, "%s = \"%s\"\n", | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
649 item->name, *(item->val_str)) < 0) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
650 return -3; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
651 } |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
652 break; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
653 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
654 case ITEM_STRING_LIST: |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
655 if (*(item->list) == NULL) { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
656 if (fprintf(f->file, "#%s = \"\", \"\"\n", item->name) < 0) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
657 return -3; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
658 } else { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
659 qlist_t *node = *(item->list); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
660 size_t n = th_llist_length(node); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
661 if (fprintf(f->file, "%s = ", item->name) < 0) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
662 return -3; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
663 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
664 while (node != NULL) { |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
665 if (node->data != NULL) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
666 fprintf(f->file, "\"%s\"", (char *) node->data); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
667 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
668 if (--n > 0) |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
669 fprintf(f->file, ", "); |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
670 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
671 node = node->next; |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
672 } |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
673 |
|
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
674 if (fprintf(f->file, "\n") < 0) |
| 133 | 675 return -3; |
| 676 } | |
| 677 break; | |
| 678 | |
| 679 case ITEM_INT: | |
| 680 if (fprintf(f->file, "%s = %i\n", | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
681 item->name, *(item->val_int)) < 0) |
| 133 | 682 return -4; |
| 683 break; | |
| 684 | |
| 685 case ITEM_UINT: | |
| 686 if (fprintf(f->file, "%s = %d\n", | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
687 item->name, *(item->val_uint)) < 0) |
| 133 | 688 return -5; |
| 689 break; | |
| 690 | |
| 691 case ITEM_BOOL: | |
| 692 if (fprintf(f->file, "%s = %s\n", | |
|
138
3e221c16b087
Improvements in configuration file handing.
Matti Hamalainen <ccr@tnsp.org>
parents:
135
diff
changeset
|
693 item->name, *(item->val_bool) ? "yes" : "no") < 0) |
| 133 | 694 return -6; |
| 695 break; | |
| 696 | |
| 697 case ITEM_SECTION: | |
| 698 { | |
| 699 int res; | |
| 135 | 700 if (fprintf(f->file, "%s = {\n", item->name) < 0) |
| 133 | 701 return -7; |
| 702 res = th_cfg_write_sect(f, (cfgitem_t *) item->data, nesting + 1); | |
| 703 if (res != 0) return res; | |
| 135 | 704 if (fprintf(f->file, "}\n\n") < 0) |
| 133 | 705 return -8; |
| 706 } | |
| 707 break; | |
| 708 | |
| 709 case ITEM_HEX_TRIPLET: | |
| 710 if (fprintf(f->file, "%s = \"%06x\"\n", | |
| 711 item->name, *((int *) item->data)) < 0) | |
| 712 return -6; | |
| 713 break; | |
| 714 } | |
| 715 } | |
| 716 item = item->next; | |
| 717 } | |
| 718 | |
| 719 return 0; | |
| 720 } | |
| 721 | |
| 722 | |
| 723 int th_cfg_write(FILE *outFile, char *filename, cfgitem_t *cfg) | |
| 724 { | |
| 725 conffile_t f; | |
| 726 | |
| 727 if (cfg == NULL) | |
| 728 return -1; | |
| 729 | |
| 730 f.file = outFile; | |
| 731 f.filename = filename; | |
| 732 f.line = 1; | |
| 733 | |
| 734 fprintf(outFile, "# Configuration written by %s %s\n\n", | |
| 735 th_prog_fullname, th_prog_version); | |
| 736 | |
| 737 return th_cfg_write_sect(&f, cfg, 0); | |
| 738 } | |
| 739 | |
| 740 |