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a09e091a JB |
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 | } |