| 1 | /* |
| 2 | * Copyright 2002 Red Hat Inc., Durham, North Carolina. |
| 3 | * |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
| 7 | * a copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation on the rights to use, copy, modify, merge, |
| 10 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, |
| 12 | * subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial |
| 16 | * portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS |
| 22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * Authors: |
| 30 | * Rickard E. (Rik) Faith <faith@redhat.com> |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | /** \file |
| 35 | * |
| 36 | * This file provides support routines and helper functions to be used |
| 37 | * by the DMX configuration file parser. |
| 38 | * |
| 39 | * Because the DMX configuration file parsing should be capable of being |
| 40 | * used in a stand-alone fashion (i.e., independent from the DMX server |
| 41 | * source tree), no dependencies on other DMX routines are made. */ |
| 42 | |
| 43 | #ifdef HAVE_DMX_CONFIG_H |
| 44 | #include <dmx-config.h> |
| 45 | #endif |
| 46 | |
| 47 | #include <stdio.h> |
| 48 | #include <stdlib.h> |
| 49 | #include <string.h> |
| 50 | #include <stdarg.h> |
| 51 | #include "dmxparse.h" |
| 52 | |
| 53 | /** A general error logging routine that does not depend on the dmxLog |
| 54 | * functions. */ |
| 55 | void |
| 56 | dmxConfigLog(const char *format, ...) |
| 57 | { |
| 58 | va_list args; |
| 59 | |
| 60 | va_start(args, format); |
| 61 | vprintf(format, args); /* RATS: All calls to dmxConfigLog from |
| 62 | * dmxparse.c and dmxprint.c use a |
| 63 | * trusted format. */ |
| 64 | va_end(args); |
| 65 | } |
| 66 | |
| 67 | void * |
| 68 | dmxConfigAlloc(unsigned long bytes) |
| 69 | { |
| 70 | void *area = calloc(1, bytes); |
| 71 | |
| 72 | if (!area) { |
| 73 | dmxConfigLog("dmxConfigAlloc: out of memory\n"); |
| 74 | return NULL; |
| 75 | } |
| 76 | return area; |
| 77 | } |
| 78 | |
| 79 | void * |
| 80 | dmxConfigRealloc(void *orig, unsigned long orig_bytes, unsigned long bytes) |
| 81 | { |
| 82 | unsigned char *area = realloc(orig, bytes); |
| 83 | |
| 84 | if (!area) { |
| 85 | dmxConfigLog("dmxConfigRealloc: out of memory\n"); |
| 86 | return NULL; |
| 87 | } |
| 88 | memset(area + orig_bytes, 0, bytes - orig_bytes); |
| 89 | return area; |
| 90 | } |
| 91 | |
| 92 | const char * |
| 93 | dmxConfigCopyString(const char *string, int length) |
| 94 | { |
| 95 | char *copy; |
| 96 | |
| 97 | if (!length) |
| 98 | length = strlen(string); |
| 99 | copy = dmxConfigAlloc(length + 1); |
| 100 | if (length) |
| 101 | strncpy(copy, string, length); |
| 102 | copy[length] = '\0'; |
| 103 | return copy; |
| 104 | } |
| 105 | |
| 106 | void |
| 107 | dmxConfigFree(void *area) |
| 108 | { |
| 109 | free(area); |
| 110 | } |
| 111 | |
| 112 | DMXConfigTokenPtr |
| 113 | dmxConfigCreateToken(int token, int line, const char *comment) |
| 114 | { |
| 115 | DMXConfigTokenPtr pToken = dmxConfigAlloc(sizeof(*pToken)); |
| 116 | |
| 117 | pToken->token = token; |
| 118 | pToken->line = line; |
| 119 | pToken->comment = comment; |
| 120 | return pToken; |
| 121 | } |
| 122 | |
| 123 | void |
| 124 | dmxConfigFreeToken(DMXConfigTokenPtr p) |
| 125 | { |
| 126 | if (!p) |
| 127 | return; |
| 128 | dmxConfigFree((void *) p->comment); |
| 129 | dmxConfigFree(p); |
| 130 | } |
| 131 | |
| 132 | DMXConfigStringPtr |
| 133 | dmxConfigCreateString(int token, int line, |
| 134 | const char *comment, const char *string) |
| 135 | { |
| 136 | DMXConfigStringPtr pString = dmxConfigAlloc(sizeof(*pString)); |
| 137 | |
| 138 | pString->token = token; |
| 139 | pString->line = line; |
| 140 | pString->comment = comment; |
| 141 | pString->string = string; |
| 142 | return pString; |
| 143 | } |
| 144 | |
| 145 | void |
| 146 | dmxConfigFreeString(DMXConfigStringPtr p) |
| 147 | { |
| 148 | DMXConfigStringPtr next; |
| 149 | |
| 150 | if (!p) |
| 151 | return; |
| 152 | do { |
| 153 | next = p->next; |
| 154 | dmxConfigFree((void *) p->comment); |
| 155 | dmxConfigFree((void *) p->string); |
| 156 | dmxConfigFree(p); |
| 157 | } while ((p = next)); |
| 158 | } |
| 159 | |
| 160 | DMXConfigNumberPtr |
| 161 | dmxConfigCreateNumber(int token, int line, const char *comment, int number) |
| 162 | { |
| 163 | DMXConfigNumberPtr pNumber = dmxConfigAlloc(sizeof(*pNumber)); |
| 164 | |
| 165 | pNumber->token = token; |
| 166 | pNumber->line = line; |
| 167 | pNumber->comment = comment; |
| 168 | pNumber->number = number; |
| 169 | return pNumber; |
| 170 | } |
| 171 | |
| 172 | void |
| 173 | dmxConfigFreeNumber(DMXConfigNumberPtr p) |
| 174 | { |
| 175 | if (!p) |
| 176 | return; |
| 177 | dmxConfigFree((void *) p->comment); |
| 178 | dmxConfigFree(p); |
| 179 | } |
| 180 | |
| 181 | DMXConfigPairPtr |
| 182 | dmxConfigCreatePair(int token, int line, |
| 183 | const char *comment, int x, int y, int xsign, int ysign) |
| 184 | { |
| 185 | DMXConfigPairPtr pPair = dmxConfigAlloc(sizeof(*pPair)); |
| 186 | |
| 187 | pPair->token = token; |
| 188 | pPair->line = line; |
| 189 | pPair->comment = comment; |
| 190 | pPair->x = x; |
| 191 | pPair->y = y; |
| 192 | pPair->xsign = (xsign < 0) ? -1 : 1; |
| 193 | pPair->ysign = (ysign < 0) ? -1 : 1; |
| 194 | return pPair; |
| 195 | } |
| 196 | |
| 197 | void |
| 198 | dmxConfigFreePair(DMXConfigPairPtr p) |
| 199 | { |
| 200 | if (!p) |
| 201 | return; |
| 202 | dmxConfigFree((void *) p->comment); |
| 203 | dmxConfigFree(p); |
| 204 | } |
| 205 | |
| 206 | DMXConfigCommentPtr |
| 207 | dmxConfigCreateComment(int token, int line, const char *comment) |
| 208 | { |
| 209 | DMXConfigCommentPtr pComment = dmxConfigAlloc(sizeof(*pComment)); |
| 210 | |
| 211 | pComment->token = token; |
| 212 | pComment->line = line; |
| 213 | pComment->comment = comment; |
| 214 | return pComment; |
| 215 | } |
| 216 | |
| 217 | void |
| 218 | dmxConfigFreeComment(DMXConfigCommentPtr p) |
| 219 | { |
| 220 | if (!p) |
| 221 | return; |
| 222 | dmxConfigFree((void *) p->comment); |
| 223 | dmxConfigFree(p); |
| 224 | } |
| 225 | |
| 226 | DMXConfigPartDimPtr |
| 227 | dmxConfigCreatePartDim(DMXConfigPairPtr pDim, DMXConfigPairPtr pOffset) |
| 228 | { |
| 229 | DMXConfigPartDimPtr pPart = dmxConfigAlloc(sizeof(*pPart)); |
| 230 | |
| 231 | pPart->dim = pDim; |
| 232 | pPart->offset = pOffset; |
| 233 | return pPart; |
| 234 | } |
| 235 | |
| 236 | void |
| 237 | dmxConfigFreePartDim(DMXConfigPartDimPtr p) |
| 238 | { |
| 239 | if (!p) |
| 240 | return; |
| 241 | dmxConfigFreePair(p->dim); |
| 242 | dmxConfigFreePair(p->offset); |
| 243 | dmxConfigFree(p); |
| 244 | } |
| 245 | |
| 246 | DMXConfigFullDimPtr |
| 247 | dmxConfigCreateFullDim(DMXConfigPartDimPtr pScrn, DMXConfigPartDimPtr pRoot) |
| 248 | { |
| 249 | DMXConfigFullDimPtr pFull = dmxConfigAlloc(sizeof(*pFull)); |
| 250 | |
| 251 | pFull->scrn = pScrn; |
| 252 | pFull->root = pRoot; |
| 253 | return pFull; |
| 254 | } |
| 255 | |
| 256 | void |
| 257 | dmxConfigFreeFullDim(DMXConfigFullDimPtr p) |
| 258 | { |
| 259 | if (!p) |
| 260 | return; |
| 261 | dmxConfigFreePartDim(p->scrn); |
| 262 | dmxConfigFreePartDim(p->root); |
| 263 | dmxConfigFree(p); |
| 264 | } |
| 265 | |
| 266 | DMXConfigDisplayPtr |
| 267 | dmxConfigCreateDisplay(DMXConfigTokenPtr pStart, |
| 268 | DMXConfigStringPtr pName, |
| 269 | DMXConfigFullDimPtr pDim, |
| 270 | DMXConfigPairPtr pOrigin, DMXConfigTokenPtr pEnd) |
| 271 | { |
| 272 | DMXConfigDisplayPtr pDisplay = dmxConfigAlloc(sizeof(*pDisplay)); |
| 273 | |
| 274 | pDisplay->start = pStart; |
| 275 | pDisplay->dname = pName; |
| 276 | pDisplay->dim = pDim; |
| 277 | pDisplay->origin = pOrigin; |
| 278 | pDisplay->end = pEnd; |
| 279 | |
| 280 | pDisplay->name = pName ? pName->string : NULL; |
| 281 | pDisplay->rootXOrigin = pOrigin ? pOrigin->x : 0; |
| 282 | pDisplay->rootYOrigin = pOrigin ? pOrigin->y : 0; |
| 283 | |
| 284 | if (pDim && pDim->scrn && pDim->scrn->dim) { |
| 285 | pDisplay->scrnWidth = pDim->scrn->dim->x; |
| 286 | pDisplay->scrnHeight = pDim->scrn->dim->y; |
| 287 | } |
| 288 | if (pDim && pDim->scrn && pDim->scrn->offset) { |
| 289 | pDisplay->scrnX = pDim->scrn->offset->x; |
| 290 | pDisplay->scrnY = pDim->scrn->offset->y; |
| 291 | pDisplay->scrnXSign = pDim->scrn->offset->xsign; |
| 292 | pDisplay->scrnYSign = pDim->scrn->offset->ysign; |
| 293 | } |
| 294 | |
| 295 | if (pDim && pDim->root) { |
| 296 | if (pDim->root->dim) { |
| 297 | pDisplay->rootWidth = pDim->root->dim->x; |
| 298 | pDisplay->rootHeight = pDim->root->dim->y; |
| 299 | } |
| 300 | if (pDim->root->offset) { |
| 301 | pDisplay->rootX = pDim->root->offset->x; |
| 302 | pDisplay->rootY = pDim->root->offset->y; |
| 303 | pDisplay->rootXSign = pDim->root->offset->xsign; |
| 304 | pDisplay->rootYSign = pDim->root->offset->ysign; |
| 305 | } |
| 306 | } |
| 307 | else { /* If no root specification, copy width |
| 308 | * and height from scrn -- leave offset |
| 309 | * as zero, since it is relative to |
| 310 | * scrn. */ |
| 311 | pDisplay->rootWidth = pDisplay->scrnWidth; |
| 312 | pDisplay->rootHeight = pDisplay->scrnHeight; |
| 313 | } |
| 314 | |
| 315 | return pDisplay; |
| 316 | } |
| 317 | |
| 318 | void |
| 319 | dmxConfigFreeDisplay(DMXConfigDisplayPtr p) |
| 320 | { |
| 321 | if (!p) |
| 322 | return; |
| 323 | dmxConfigFreeToken(p->start); |
| 324 | dmxConfigFreeString(p->dname); |
| 325 | dmxConfigFreeFullDim(p->dim); |
| 326 | dmxConfigFreeToken(p->end); |
| 327 | dmxConfigFree(p); |
| 328 | } |
| 329 | |
| 330 | DMXConfigWallPtr |
| 331 | dmxConfigCreateWall(DMXConfigTokenPtr pStart, |
| 332 | DMXConfigPairPtr pWallDim, |
| 333 | DMXConfigPairPtr pDisplayDim, |
| 334 | DMXConfigStringPtr pNameList, DMXConfigTokenPtr pEnd) |
| 335 | { |
| 336 | DMXConfigWallPtr pWall = dmxConfigAlloc(sizeof(*pWall)); |
| 337 | |
| 338 | pWall->start = pStart; |
| 339 | pWall->wallDim = pWallDim; |
| 340 | pWall->displayDim = pDisplayDim; |
| 341 | pWall->nameList = pNameList; |
| 342 | pWall->end = pEnd; |
| 343 | |
| 344 | pWall->width = pDisplayDim ? pDisplayDim->x : 0; |
| 345 | pWall->height = pDisplayDim ? pDisplayDim->y : 0; |
| 346 | pWall->xwall = pWallDim ? pWallDim->x : 0; |
| 347 | pWall->ywall = pWallDim ? pWallDim->y : 0; |
| 348 | |
| 349 | return pWall; |
| 350 | } |
| 351 | |
| 352 | void |
| 353 | dmxConfigFreeWall(DMXConfigWallPtr p) |
| 354 | { |
| 355 | if (!p) |
| 356 | return; |
| 357 | dmxConfigFreeToken(p->start); |
| 358 | dmxConfigFreePair(p->wallDim); |
| 359 | dmxConfigFreePair(p->displayDim); |
| 360 | dmxConfigFreeString(p->nameList); |
| 361 | dmxConfigFreeToken(p->end); |
| 362 | dmxConfigFree(p); |
| 363 | } |
| 364 | |
| 365 | DMXConfigOptionPtr |
| 366 | dmxConfigCreateOption(DMXConfigTokenPtr pStart, |
| 367 | DMXConfigStringPtr pOption, DMXConfigTokenPtr pEnd) |
| 368 | { |
| 369 | int length = 0; |
| 370 | int offset = 0; |
| 371 | DMXConfigStringPtr p; |
| 372 | DMXConfigOptionPtr option = dmxConfigAlloc(sizeof(*option)); |
| 373 | |
| 374 | for (p = pOption; p; p = p->next) { |
| 375 | if (p->string) |
| 376 | length += strlen(p->string) + 1; |
| 377 | } |
| 378 | |
| 379 | option->string = dmxConfigAlloc(length + 1); |
| 380 | |
| 381 | for (p = pOption; p; p = p->next) { |
| 382 | if (p->string) { |
| 383 | int len = strlen(p->string); |
| 384 | |
| 385 | strncpy(option->string + offset, p->string, len); |
| 386 | offset += len; |
| 387 | if (p->next) |
| 388 | option->string[offset++] = ' '; |
| 389 | } |
| 390 | } |
| 391 | option->string[offset] = '\0'; |
| 392 | |
| 393 | option->start = pStart; |
| 394 | option->option = pOption; |
| 395 | option->end = pEnd; |
| 396 | |
| 397 | return option; |
| 398 | } |
| 399 | |
| 400 | void |
| 401 | dmxConfigFreeOption(DMXConfigOptionPtr p) |
| 402 | { |
| 403 | if (!p) |
| 404 | return; |
| 405 | free(p->string); |
| 406 | dmxConfigFreeToken(p->start); |
| 407 | dmxConfigFreeString(p->option); |
| 408 | dmxConfigFreeToken(p->end); |
| 409 | dmxConfigFree(p); |
| 410 | } |
| 411 | |
| 412 | const char ** |
| 413 | dmxConfigLookupParam(DMXConfigParamPtr p, const char *key, int *argc) |
| 414 | { |
| 415 | DMXConfigParamPtr pt; |
| 416 | |
| 417 | for (pt = p; pt; pt = pt->next) { |
| 418 | if (pt->argv && !strcasecmp(pt->argv[0], key)) { |
| 419 | *argc = pt->argc; |
| 420 | return pt->argv; |
| 421 | } |
| 422 | } |
| 423 | *argc = 0; |
| 424 | return NULL; |
| 425 | } |
| 426 | |
| 427 | DMXConfigParamPtr |
| 428 | dmxConfigCreateParam(DMXConfigTokenPtr pStart, |
| 429 | DMXConfigTokenPtr pOpen, |
| 430 | DMXConfigStringPtr pParam, |
| 431 | DMXConfigTokenPtr pClose, DMXConfigTokenPtr pEnd) |
| 432 | { |
| 433 | DMXConfigParamPtr param = dmxConfigAlloc(sizeof(*param)); |
| 434 | DMXConfigStringPtr pt; |
| 435 | |
| 436 | param->argc = 0; |
| 437 | param->argv = NULL; |
| 438 | for (pt = pParam; pt; pt = pt->next) { |
| 439 | if (pt->string) { |
| 440 | param->argv = realloc(param->argv, |
| 441 | (param->argc + 2) * sizeof(*param->argv)); |
| 442 | param->argv[param->argc] = pt->string; |
| 443 | ++param->argc; |
| 444 | } |
| 445 | } |
| 446 | if (param->argv) |
| 447 | param->argv[param->argc] = NULL; |
| 448 | |
| 449 | param->start = pStart; |
| 450 | param->open = pOpen; |
| 451 | param->param = pParam; |
| 452 | param->close = pClose; |
| 453 | param->end = pEnd; |
| 454 | |
| 455 | return param; |
| 456 | } |
| 457 | |
| 458 | void |
| 459 | dmxConfigFreeParam(DMXConfigParamPtr p) |
| 460 | { |
| 461 | DMXConfigParamPtr next; |
| 462 | |
| 463 | if (!p) |
| 464 | return; |
| 465 | do { |
| 466 | next = p->next; |
| 467 | dmxConfigFreeToken(p->start); |
| 468 | dmxConfigFreeToken(p->open); |
| 469 | dmxConfigFreeString(p->param); |
| 470 | dmxConfigFreeToken(p->close); |
| 471 | dmxConfigFreeToken(p->end); |
| 472 | dmxConfigFree(p->argv); |
| 473 | dmxConfigFree(p); |
| 474 | } while ((p = next)); |
| 475 | } |
| 476 | |
| 477 | DMXConfigSubPtr |
| 478 | dmxConfigCreateSub(DMXConfigType type, |
| 479 | DMXConfigCommentPtr comment, |
| 480 | DMXConfigDisplayPtr display, |
| 481 | DMXConfigWallPtr wall, |
| 482 | DMXConfigOptionPtr option, DMXConfigParamPtr param) |
| 483 | { |
| 484 | DMXConfigSubPtr pSub = dmxConfigAlloc(sizeof(*pSub)); |
| 485 | |
| 486 | pSub->type = type; |
| 487 | switch (type) { |
| 488 | case dmxConfigComment: |
| 489 | pSub->comment = comment; |
| 490 | break; |
| 491 | case dmxConfigDisplay: |
| 492 | pSub->display = display; |
| 493 | break; |
| 494 | case dmxConfigWall: |
| 495 | pSub->wall = wall; |
| 496 | break; |
| 497 | case dmxConfigOption: |
| 498 | pSub->option = option; |
| 499 | break; |
| 500 | case dmxConfigParam: |
| 501 | pSub->param = param; |
| 502 | break; |
| 503 | default: |
| 504 | dmxConfigLog("Type %d not supported in subentry\n", type); |
| 505 | break; |
| 506 | } |
| 507 | return pSub; |
| 508 | } |
| 509 | |
| 510 | void |
| 511 | dmxConfigFreeSub(DMXConfigSubPtr sub) |
| 512 | { |
| 513 | DMXConfigSubPtr pt; |
| 514 | |
| 515 | for (pt = sub; pt; pt = pt->next) { |
| 516 | switch (pt->type) { |
| 517 | case dmxConfigComment: |
| 518 | dmxConfigFreeComment(pt->comment); |
| 519 | break; |
| 520 | case dmxConfigDisplay: |
| 521 | dmxConfigFreeDisplay(pt->display); |
| 522 | break; |
| 523 | case dmxConfigWall: |
| 524 | dmxConfigFreeWall(pt->wall); |
| 525 | break; |
| 526 | case dmxConfigOption: |
| 527 | dmxConfigFreeOption(pt->option); |
| 528 | break; |
| 529 | case dmxConfigParam: |
| 530 | dmxConfigFreeParam(pt->param); |
| 531 | break; |
| 532 | default: |
| 533 | dmxConfigLog("Type %d not supported in subentry\n", pt->type); |
| 534 | break; |
| 535 | } |
| 536 | } |
| 537 | dmxConfigFree(sub); |
| 538 | } |
| 539 | |
| 540 | DMXConfigSubPtr |
| 541 | dmxConfigSubComment(DMXConfigCommentPtr comment) |
| 542 | { |
| 543 | return dmxConfigCreateSub(dmxConfigComment, comment, NULL, NULL, NULL, |
| 544 | NULL); |
| 545 | } |
| 546 | |
| 547 | DMXConfigSubPtr |
| 548 | dmxConfigSubDisplay(DMXConfigDisplayPtr display) |
| 549 | { |
| 550 | return dmxConfigCreateSub(dmxConfigDisplay, NULL, display, NULL, NULL, |
| 551 | NULL); |
| 552 | } |
| 553 | |
| 554 | DMXConfigSubPtr |
| 555 | dmxConfigSubWall(DMXConfigWallPtr wall) |
| 556 | { |
| 557 | return dmxConfigCreateSub(dmxConfigWall, NULL, NULL, wall, NULL, NULL); |
| 558 | } |
| 559 | |
| 560 | DMXConfigSubPtr |
| 561 | dmxConfigSubOption(DMXConfigOptionPtr option) |
| 562 | { |
| 563 | return dmxConfigCreateSub(dmxConfigOption, NULL, NULL, NULL, option, NULL); |
| 564 | } |
| 565 | |
| 566 | DMXConfigSubPtr |
| 567 | dmxConfigSubParam(DMXConfigParamPtr param) |
| 568 | { |
| 569 | return dmxConfigCreateSub(dmxConfigParam, NULL, NULL, NULL, NULL, param); |
| 570 | } |
| 571 | |
| 572 | extern DMXConfigSubPtr |
| 573 | dmxConfigAddSub(DMXConfigSubPtr head, DMXConfigSubPtr sub) |
| 574 | { |
| 575 | DMXConfigSubPtr pt; |
| 576 | |
| 577 | if (!head) |
| 578 | return sub; |
| 579 | for (pt = head; pt->next; pt = pt->next); |
| 580 | pt->next = sub; |
| 581 | return head; |
| 582 | } |
| 583 | |
| 584 | DMXConfigVirtualPtr |
| 585 | dmxConfigCreateVirtual(DMXConfigTokenPtr pStart, |
| 586 | DMXConfigStringPtr pName, |
| 587 | DMXConfigPairPtr pDim, |
| 588 | DMXConfigTokenPtr pOpen, |
| 589 | DMXConfigSubPtr pSubentry, DMXConfigTokenPtr pClose) |
| 590 | { |
| 591 | DMXConfigVirtualPtr pVirtual = dmxConfigAlloc(sizeof(*pVirtual)); |
| 592 | |
| 593 | pVirtual->start = pStart; |
| 594 | pVirtual->vname = pName; |
| 595 | pVirtual->dim = pDim; |
| 596 | pVirtual->open = pOpen; |
| 597 | pVirtual->subentry = pSubentry; |
| 598 | pVirtual->close = pClose; |
| 599 | |
| 600 | pVirtual->name = pName ? pName->string : NULL; |
| 601 | pVirtual->width = pDim ? pDim->x : 0; |
| 602 | pVirtual->height = pDim ? pDim->y : 0; |
| 603 | |
| 604 | return pVirtual; |
| 605 | } |
| 606 | |
| 607 | void |
| 608 | dmxConfigFreeVirtual(DMXConfigVirtualPtr virtual) |
| 609 | { |
| 610 | dmxConfigFreeToken(virtual->start); |
| 611 | dmxConfigFreeString(virtual->vname); |
| 612 | dmxConfigFreePair(virtual->dim); |
| 613 | dmxConfigFreeToken(virtual->open); |
| 614 | dmxConfigFreeSub(virtual->subentry); |
| 615 | dmxConfigFreeToken(virtual->close); |
| 616 | dmxConfigFree(virtual); |
| 617 | } |
| 618 | |
| 619 | DMXConfigEntryPtr |
| 620 | dmxConfigCreateEntry(DMXConfigType type, |
| 621 | DMXConfigCommentPtr comment, DMXConfigVirtualPtr virtual) |
| 622 | { |
| 623 | DMXConfigEntryPtr pEntry = dmxConfigAlloc(sizeof(*pEntry)); |
| 624 | |
| 625 | pEntry->type = type; |
| 626 | switch (type) { |
| 627 | case dmxConfigComment: |
| 628 | pEntry->comment = comment; |
| 629 | break; |
| 630 | case dmxConfigVirtual: |
| 631 | pEntry->virtual = virtual; |
| 632 | break; |
| 633 | default: |
| 634 | dmxConfigLog("Type %d not supported in entry\n", type); |
| 635 | break; |
| 636 | } |
| 637 | return pEntry; |
| 638 | } |
| 639 | |
| 640 | void |
| 641 | dmxConfigFreeEntry(DMXConfigEntryPtr entry) |
| 642 | { |
| 643 | DMXConfigEntryPtr pt; |
| 644 | |
| 645 | for (pt = entry; pt; pt = pt->next) { |
| 646 | switch (pt->type) { |
| 647 | case dmxConfigComment: |
| 648 | dmxConfigFreeComment(pt->comment); |
| 649 | break; |
| 650 | case dmxConfigVirtual: |
| 651 | dmxConfigFreeVirtual(pt->virtual); |
| 652 | break; |
| 653 | default: |
| 654 | dmxConfigLog("Type %d not supported in entry\n", pt->type); |
| 655 | break; |
| 656 | } |
| 657 | } |
| 658 | dmxConfigFree(entry); |
| 659 | } |
| 660 | |
| 661 | DMXConfigEntryPtr |
| 662 | dmxConfigAddEntry(DMXConfigEntryPtr head, |
| 663 | DMXConfigType type, |
| 664 | DMXConfigCommentPtr comment, DMXConfigVirtualPtr virtual) |
| 665 | { |
| 666 | DMXConfigEntryPtr child = dmxConfigCreateEntry(type, comment, virtual); |
| 667 | DMXConfigEntryPtr pt; |
| 668 | |
| 669 | if (!head) |
| 670 | return child; |
| 671 | |
| 672 | for (pt = head; pt->next; pt = pt->next); |
| 673 | pt->next = child; |
| 674 | |
| 675 | return head; |
| 676 | } |
| 677 | |
| 678 | DMXConfigEntryPtr |
| 679 | dmxConfigEntryComment(DMXConfigCommentPtr comment) |
| 680 | { |
| 681 | return dmxConfigCreateEntry(dmxConfigComment, comment, NULL); |
| 682 | } |
| 683 | |
| 684 | DMXConfigEntryPtr |
| 685 | dmxConfigEntryVirtual(DMXConfigVirtualPtr virtual) |
| 686 | { |
| 687 | return dmxConfigCreateEntry(dmxConfigVirtual, NULL, virtual); |
| 688 | } |