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1 | /* | |
2 | * $RCSId: xc/lib/fontconfig/src/fccfg.c,v 1.23 2002/08/31 22:17:32 keithp Exp $ | |
3 | * | |
4 | * Copyright © 2000 Keith Packard | |
5 | * | |
6 | * Permission to use, copy, modify, distribute, and sell this software and its | |
7 | * documentation for any purpose is hereby granted without fee, provided that | |
8 | * the above copyright notice appear in all copies and that both that | |
9 | * copyright notice and this permission notice appear in supporting | |
10 | * documentation, and that the name of Keith Packard not be used in | |
11 | * advertising or publicity pertaining to distribution of the software without | |
12 | * specific, written prior permission. Keith Packard makes no | |
13 | * representations about the suitability of this software for any purpose. It | |
14 | * is provided "as is" without express or implied warranty. | |
15 | * | |
16 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
18 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
19 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
20 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
21 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
22 | * PERFORMANCE OF THIS SOFTWARE. | |
23 | */ | |
24 | ||
25 | #include <dirent.h> | |
26 | #include <sys/types.h> | |
27 | #include "fcint.h" | |
28 | ||
29 | #if defined (_WIN32) && (defined (PIC) || defined (DLL_EXPORT)) | |
30 | #define STRICT | |
31 | #include <windows.h> | |
32 | #undef STRICT | |
33 | #endif | |
34 | ||
35 | #if defined (_WIN32) && !defined (R_OK) | |
36 | #define R_OK 4 | |
37 | #endif | |
38 | ||
39 | FcConfig *_fcConfig; | |
40 | ||
41 | FcConfig * | |
42 | FcConfigCreate (void) | |
43 | { | |
44 | FcSetName set; | |
45 | FcConfig *config; | |
46 | ||
47 | config = malloc (sizeof (FcConfig)); | |
48 | if (!config) | |
49 | goto bail0; | |
50 | FcMemAlloc (FC_MEM_CONFIG, sizeof (FcConfig)); | |
51 | ||
52 | config->configDirs = FcStrSetCreate (); | |
53 | if (!config->configDirs) | |
54 | goto bail1; | |
55 | ||
56 | config->configFiles = FcStrSetCreate (); | |
57 | if (!config->configFiles) | |
58 | goto bail2; | |
59 | ||
60 | config->fontDirs = FcStrSetCreate (); | |
61 | if (!config->fontDirs) | |
62 | goto bail3; | |
63 | ||
64 | config->acceptGlobs = FcStrSetCreate (); | |
65 | if (!config->acceptGlobs) | |
66 | goto bail4; | |
67 | ||
68 | config->rejectGlobs = FcStrSetCreate (); | |
69 | if (!config->rejectGlobs) | |
70 | goto bail5; | |
71 | ||
72 | config->acceptPatterns = FcFontSetCreate (); | |
73 | if (!config->acceptPatterns) | |
74 | goto bail6; | |
75 | ||
76 | config->rejectPatterns = FcFontSetCreate (); | |
77 | if (!config->rejectPatterns) | |
78 | goto bail7; | |
79 | ||
80 | config->cache = 0; | |
81 | if (FcConfigHome()) | |
82 | if (!FcConfigSetCache (config, (FcChar8 *) ("~/" FC_USER_CACHE_FILE))) | |
83 | goto bail8; | |
84 | ||
85 | #ifdef _WIN32 | |
86 | if (config->cache == 0) | |
87 | { | |
88 | /* If no home, use the temp folder. */ | |
89 | FcChar8 dummy[1]; | |
90 | int templen = GetTempPath (1, dummy); | |
91 | FcChar8 *temp = malloc (templen + 1); | |
92 | ||
93 | if (temp) | |
94 | { | |
95 | FcChar8 *cache_dir; | |
96 | ||
97 | GetTempPath (templen + 1, temp); | |
98 | cache_dir = FcStrPlus (temp, FC_USER_CACHE_FILE); | |
99 | free (temp); | |
100 | if (!FcConfigSetCache (config, cache_dir)) | |
101 | { | |
102 | FcStrFree (cache_dir); | |
103 | goto bail6; | |
104 | } | |
105 | FcStrFree (cache_dir); | |
106 | } | |
107 | } | |
108 | #endif | |
109 | ||
110 | config->blanks = 0; | |
111 | ||
112 | config->substPattern = 0; | |
113 | config->substFont = 0; | |
114 | config->maxObjects = 0; | |
115 | for (set = FcSetSystem; set <= FcSetApplication; set++) | |
116 | config->fonts[set] = 0; | |
117 | ||
118 | config->rescanTime = time(0); | |
119 | config->rescanInterval = 30; | |
120 | ||
121 | return config; | |
122 | ||
123 | bail8: | |
124 | FcFontSetDestroy (config->rejectPatterns); | |
125 | bail7: | |
126 | FcFontSetDestroy (config->acceptPatterns); | |
127 | bail6: | |
128 | FcStrSetDestroy (config->rejectGlobs); | |
129 | bail5: | |
130 | FcStrSetDestroy (config->acceptGlobs); | |
131 | bail4: | |
132 | FcStrSetDestroy (config->fontDirs); | |
133 | bail3: | |
134 | FcStrSetDestroy (config->configFiles); | |
135 | bail2: | |
136 | FcStrSetDestroy (config->configDirs); | |
137 | bail1: | |
138 | free (config); | |
139 | FcMemFree (FC_MEM_CONFIG, sizeof (FcConfig)); | |
140 | bail0: | |
141 | return 0; | |
142 | } | |
143 | ||
144 | static FcFileTime | |
145 | FcConfigNewestFile (FcStrSet *files) | |
146 | { | |
147 | FcStrList *list = FcStrListCreate (files); | |
148 | FcFileTime newest = { 0, FcFalse }; | |
149 | FcChar8 *file; | |
150 | struct stat statb; | |
151 | ||
152 | if (list) | |
153 | { | |
154 | while ((file = FcStrListNext (list))) | |
155 | if (stat ((char *) file, &statb) == 0) | |
156 | if (!newest.set || statb.st_mtime - newest.time > 0) | |
157 | { | |
158 | newest.set = FcTrue; | |
159 | newest.time = statb.st_mtime; | |
160 | } | |
161 | FcStrListDone (list); | |
162 | } | |
163 | return newest; | |
164 | } | |
165 | ||
166 | FcFileTime | |
167 | FcConfigModifiedTime (FcConfig *config) | |
168 | { | |
169 | if (!config) | |
170 | { | |
171 | FcFileTime v = { 0, FcFalse }; | |
172 | config = FcConfigGetCurrent (); | |
173 | if (!config) | |
174 | return v; | |
175 | } | |
176 | return FcConfigNewestFile (config->configFiles); | |
177 | } | |
178 | ||
179 | FcBool | |
180 | FcConfigUptoDate (FcConfig *config) | |
181 | { | |
182 | FcFileTime config_time, font_time; | |
183 | time_t now = time(0); | |
184 | if (!config) | |
185 | { | |
186 | config = FcConfigGetCurrent (); | |
187 | if (!config) | |
188 | return FcFalse; | |
189 | } | |
190 | config_time = FcConfigNewestFile (config->configFiles); | |
191 | font_time = FcConfigNewestFile (config->fontDirs); | |
192 | if ((config_time.set && config_time.time - config->rescanTime > 0) || | |
193 | (font_time.set && (font_time.time - config->rescanTime) > 0)) | |
194 | { | |
195 | return FcFalse; | |
196 | } | |
197 | config->rescanTime = now; | |
198 | return FcTrue; | |
199 | } | |
200 | ||
201 | static void | |
202 | FcSubstDestroy (FcSubst *s) | |
203 | { | |
204 | FcSubst *n; | |
205 | ||
206 | while (s) | |
207 | { | |
208 | n = s->next; | |
209 | if (s->test) | |
210 | FcTestDestroy (s->test); | |
211 | if (s->edit) | |
212 | FcEditDestroy (s->edit); | |
213 | free (s); | |
214 | FcMemFree (FC_MEM_SUBST, sizeof (FcSubst)); | |
215 | s = n; | |
216 | } | |
217 | } | |
218 | ||
219 | void | |
220 | FcConfigDestroy (FcConfig *config) | |
221 | { | |
222 | FcSetName set; | |
223 | ||
224 | if (config == _fcConfig) | |
225 | _fcConfig = 0; | |
226 | ||
227 | FcStrSetDestroy (config->configDirs); | |
228 | FcStrSetDestroy (config->fontDirs); | |
229 | FcStrSetDestroy (config->configFiles); | |
230 | FcStrSetDestroy (config->acceptGlobs); | |
231 | FcStrSetDestroy (config->rejectGlobs); | |
232 | FcFontSetDestroy (config->acceptPatterns); | |
233 | FcFontSetDestroy (config->rejectPatterns); | |
234 | ||
235 | if (config->blanks) | |
236 | FcBlanksDestroy (config->blanks); | |
237 | ||
238 | if (config->cache) | |
239 | FcStrFree (config->cache); | |
240 | ||
241 | FcSubstDestroy (config->substPattern); | |
242 | FcSubstDestroy (config->substFont); | |
243 | for (set = FcSetSystem; set <= FcSetApplication; set++) | |
244 | if (config->fonts[set]) | |
245 | FcFontSetDestroy (config->fonts[set]); | |
246 | ||
247 | free (config); | |
248 | FcMemFree (FC_MEM_CONFIG, sizeof (FcConfig)); | |
249 | } | |
250 | ||
251 | /* | |
252 | * Scan the current list of directories in the configuration | |
253 | * and build the set of available fonts. Update the | |
254 | * per-user cache file to reflect the new configuration | |
255 | */ | |
256 | ||
257 | FcBool | |
258 | FcConfigBuildFonts (FcConfig *config) | |
259 | { | |
260 | FcFontSet *fonts, *cached_fonts; | |
261 | FcGlobalCache *cache; | |
262 | FcStrList *list; | |
263 | FcStrSet *oldDirs; | |
264 | FcChar8 *dir; | |
265 | ||
266 | fonts = FcFontSetCreate (); | |
267 | if (!fonts) | |
268 | goto bail0; | |
269 | ||
270 | cache = FcGlobalCacheCreate (); | |
271 | if (!cache) | |
272 | goto bail1; | |
273 | ||
274 | oldDirs = FcStrSetCreate (); | |
275 | if (!oldDirs) | |
276 | goto bail2; | |
277 | ||
278 | if (config->cache) | |
279 | FcGlobalCacheLoad (cache, oldDirs, config->cache, config); | |
280 | ||
281 | cached_fonts = FcCacheRead(config, cache); | |
282 | if (!cached_fonts) | |
283 | { | |
284 | list = FcConfigGetFontDirs (config); | |
285 | if (!list) | |
286 | goto bail2; | |
287 | ||
288 | while ((dir = FcStrListNext (list))) | |
289 | { | |
290 | if (FcDebug () & FC_DBG_FONTSET) | |
291 | printf ("build scan dir %s\n", dir); | |
292 | FcDirScanConfig (fonts, config->fontDirs, cache, | |
293 | config->blanks, dir, FcFalse, config); | |
294 | } | |
295 | ||
296 | FcStrListDone (list); | |
297 | } | |
298 | else | |
299 | { | |
300 | int i; | |
301 | ||
302 | for (i = 0; i < oldDirs->num; i++) | |
303 | { | |
304 | if (FcDebug () & FC_DBG_FONTSET) | |
305 | printf ("scan dir %s\n", oldDirs->strs[i]); | |
306 | FcDirScanConfig (fonts, config->fontDirs, cache, | |
307 | config->blanks, oldDirs->strs[i], | |
308 | FcFalse, config); | |
309 | } | |
310 | ||
311 | for (i = 0; i < cached_fonts->nfont; i++) | |
312 | { | |
313 | FcChar8 *cfn; | |
314 | FcPatternGetString (cached_fonts->fonts[i], FC_FILE, 0, &cfn); | |
315 | ||
316 | if (FcConfigAcceptFont (config, cached_fonts->fonts[i]) && | |
317 | (cfn && FcConfigAcceptFilename (config, cfn))) | |
318 | FcFontSetAdd (fonts, cached_fonts->fonts[i]); | |
319 | ||
320 | cached_fonts->fonts[i] = 0; /* prevent free in FcFontSetDestroy */ | |
321 | } | |
322 | cached_fonts->nfont = 0; | |
323 | FcFontSetDestroy (cached_fonts); | |
324 | } | |
325 | ||
326 | if (FcDebug () & FC_DBG_FONTSET) | |
327 | FcFontSetPrint (fonts); | |
328 | ||
329 | if (config->cache) | |
330 | FcGlobalCacheSave (cache, config->cache, config); | |
331 | FcGlobalCacheDestroy (cache); | |
332 | FcStrSetDestroy (oldDirs); | |
333 | ||
334 | FcConfigSetFonts (config, fonts, FcSetSystem); | |
335 | ||
336 | return FcTrue; | |
337 | bail2: | |
338 | FcGlobalCacheDestroy (cache); | |
339 | FcStrSetDestroy (oldDirs); | |
340 | bail1: | |
341 | FcFontSetDestroy (fonts); | |
342 | bail0: | |
343 | return FcFalse; | |
344 | } | |
345 | ||
346 | FcBool | |
347 | FcConfigSetCurrent (FcConfig *config) | |
348 | { | |
349 | if (!config->fonts) | |
350 | if (!FcConfigBuildFonts (config)) | |
351 | return FcFalse; | |
352 | ||
353 | if (_fcConfig) | |
354 | FcConfigDestroy (_fcConfig); | |
355 | _fcConfig = config; | |
356 | return FcTrue; | |
357 | } | |
358 | ||
359 | FcConfig * | |
360 | FcConfigGetCurrent (void) | |
361 | { | |
362 | if (!_fcConfig) | |
363 | if (!FcInit ()) | |
364 | return 0; | |
365 | return _fcConfig; | |
366 | } | |
367 | ||
368 | FcBool | |
369 | FcConfigAddConfigDir (FcConfig *config, | |
370 | const FcChar8 *d) | |
371 | { | |
372 | return FcStrSetAddFilename (config->configDirs, d); | |
373 | } | |
374 | ||
375 | FcStrList * | |
376 | FcConfigGetConfigDirs (FcConfig *config) | |
377 | { | |
378 | if (!config) | |
379 | { | |
380 | config = FcConfigGetCurrent (); | |
381 | if (!config) | |
382 | return 0; | |
383 | } | |
384 | return FcStrListCreate (config->configDirs); | |
385 | } | |
386 | ||
387 | static FcChar8 * | |
388 | FcConfigInodeMatchFontDir (FcConfig *config, const FcChar8 *d) | |
389 | { | |
390 | int n; | |
391 | ino_t di; | |
392 | dev_t dd; | |
393 | struct stat s; | |
394 | ||
395 | /* first we do string matches rather than file accesses */ | |
396 | /* FcStrSetMember doesn't tell us the index so that we can return | |
397 | * the config-owned copy. */ | |
398 | for (n = 0; n < config->fontDirs->num; n++) | |
399 | { | |
400 | if (!FcStrCmp (config->fontDirs->strs[n], d)) | |
401 | return config->fontDirs->strs[n]; | |
402 | } | |
403 | ||
404 | /* If this is a bottleneck, we can cache the fontDir inodes. */ | |
405 | if (stat ((char *)d, &s) == -1) | |
406 | return 0; | |
407 | di = s.st_ino; dd = s.st_dev; | |
408 | ||
409 | for (n = 0; n < config->fontDirs->num; n++) | |
410 | { | |
411 | if (stat ((char *)config->fontDirs->strs[n], &s) == -1) | |
412 | continue; | |
413 | if (di == s.st_ino && dd == s.st_dev) | |
414 | return config->fontDirs->strs[n]; | |
415 | } | |
416 | return 0; | |
417 | } | |
418 | ||
419 | FcBool | |
420 | FcConfigAddFontDir (FcConfig *config, | |
421 | const FcChar8 *d) | |
422 | { | |
423 | /* Avoid adding d if it's an alias of something else, too. */ | |
424 | if (FcConfigInodeMatchFontDir(config, d)) | |
425 | return FcTrue; | |
426 | return FcStrSetAddFilename (config->fontDirs, d); | |
427 | } | |
428 | ||
429 | static FcBool | |
430 | FcConfigAddFontDirSubdirs (FcConfig *config, | |
431 | const FcChar8 *d) | |
432 | { | |
433 | DIR *dir; | |
434 | struct dirent *e; | |
435 | FcChar8 *subdir; | |
436 | FcBool added = FcFalse; | |
437 | ||
438 | if (!(dir = opendir ((char *) d))) | |
439 | return FcFalse; | |
440 | if (!(subdir = (FcChar8 *) malloc (strlen ((char *) d) + FC_MAX_FILE_LEN + 2))) | |
441 | { | |
442 | fprintf (stderr, "out of memory"); | |
443 | return FcFalse; | |
444 | } | |
445 | while ((e = readdir (dir))) | |
446 | { | |
447 | if (strcmp (e->d_name, ".") && strcmp (e->d_name, "..") && | |
448 | strlen (e->d_name) < FC_MAX_FILE_LEN) | |
449 | { | |
450 | strcpy ((char *)subdir, (char *)d); | |
451 | strcat ((char *)subdir, "/"); | |
452 | strcat ((char *)subdir, e->d_name); | |
453 | if (FcFileIsDir (subdir)) | |
454 | { | |
455 | if (FcConfigInodeMatchFontDir(config, subdir)) | |
456 | continue; /* already added */ | |
457 | FcStrSetAddFilename (config->fontDirs, subdir); | |
458 | FcConfigAddFontDirSubdirs (config, subdir); | |
459 | added = FcTrue; | |
460 | } | |
461 | } | |
462 | } | |
463 | free (subdir); | |
464 | closedir (dir); | |
465 | return added; | |
466 | } | |
467 | ||
468 | const FcChar8 * | |
469 | FcConfigNormalizeFontDir (FcConfig *config, | |
470 | const FcChar8 *d) | |
471 | { | |
472 | FcChar8 *d0; | |
473 | int n, n0; | |
474 | FcBool added = FcFalse; | |
475 | ||
476 | d0 = FcConfigInodeMatchFontDir(config, d); | |
477 | if (d0) | |
478 | return d0; | |
479 | ||
480 | /* Ok, we didn't find it in fontDirs; let's add subdirs.... */ | |
481 | for (n = 0, n0 = config->fontDirs->num; n < n0; n++) | |
482 | { | |
483 | if (FcConfigAddFontDirSubdirs (config, config->fontDirs->strs[n])) | |
484 | added = FcTrue; | |
485 | } | |
486 | ||
487 | /* ... and try again. */ | |
488 | if (added) | |
489 | return FcConfigInodeMatchFontDir(config, d); | |
490 | ||
491 | return 0; | |
492 | } | |
493 | ||
494 | FcBool | |
495 | FcConfigAddDir (FcConfig *config, | |
496 | const FcChar8 *d) | |
497 | { | |
498 | return (FcConfigAddConfigDir (config, d) && | |
499 | FcConfigAddFontDir (config, d)); | |
500 | } | |
501 | ||
502 | FcStrList * | |
503 | FcConfigGetFontDirs (FcConfig *config) | |
504 | { | |
505 | if (!config) | |
506 | { | |
507 | config = FcConfigGetCurrent (); | |
508 | if (!config) | |
509 | return 0; | |
510 | } | |
511 | return FcStrListCreate (config->fontDirs); | |
512 | } | |
513 | ||
514 | FcBool | |
515 | FcConfigAddConfigFile (FcConfig *config, | |
516 | const FcChar8 *f) | |
517 | { | |
518 | FcBool ret; | |
519 | FcChar8 *file = FcConfigFilename (f); | |
520 | ||
521 | if (!file) | |
522 | return FcFalse; | |
523 | ||
524 | ret = FcStrSetAdd (config->configFiles, file); | |
525 | FcStrFree (file); | |
526 | return ret; | |
527 | } | |
528 | ||
529 | FcStrList * | |
530 | FcConfigGetConfigFiles (FcConfig *config) | |
531 | { | |
532 | if (!config) | |
533 | { | |
534 | config = FcConfigGetCurrent (); | |
535 | if (!config) | |
536 | return 0; | |
537 | } | |
538 | return FcStrListCreate (config->configFiles); | |
539 | } | |
540 | ||
541 | FcBool | |
542 | FcConfigSetCache (FcConfig *config, | |
543 | const FcChar8 *c) | |
544 | { | |
545 | FcChar8 *new = FcStrCopyFilename (c); | |
546 | ||
547 | if (!new) | |
548 | return FcFalse; | |
549 | if (config->cache) | |
550 | FcStrFree (config->cache); | |
551 | config->cache = new; | |
552 | return FcTrue; | |
553 | } | |
554 | ||
555 | FcChar8 * | |
556 | FcConfigGetCache (FcConfig *config) | |
557 | { | |
558 | if (!config) | |
559 | { | |
560 | config = FcConfigGetCurrent (); | |
561 | if (!config) | |
562 | return 0; | |
563 | } | |
564 | return config->cache; | |
565 | } | |
566 | ||
567 | FcFontSet * | |
568 | FcConfigGetFonts (FcConfig *config, | |
569 | FcSetName set) | |
570 | { | |
571 | if (!config) | |
572 | { | |
573 | config = FcConfigGetCurrent (); | |
574 | if (!config) | |
575 | return 0; | |
576 | } | |
577 | return config->fonts[set]; | |
578 | } | |
579 | ||
580 | void | |
581 | FcConfigSetFonts (FcConfig *config, | |
582 | FcFontSet *fonts, | |
583 | FcSetName set) | |
584 | { | |
585 | if (config->fonts[set]) | |
586 | FcFontSetDestroy (config->fonts[set]); | |
587 | config->fonts[set] = fonts; | |
588 | } | |
589 | ||
590 | ||
591 | ||
592 | FcBlanks * | |
593 | FcConfigGetBlanks (FcConfig *config) | |
594 | { | |
595 | if (!config) | |
596 | { | |
597 | config = FcConfigGetCurrent (); | |
598 | if (!config) | |
599 | return 0; | |
600 | } | |
601 | return config->blanks; | |
602 | } | |
603 | ||
604 | FcBool | |
605 | FcConfigAddBlank (FcConfig *config, | |
606 | FcChar32 blank) | |
607 | { | |
608 | FcBlanks *b; | |
609 | ||
610 | b = config->blanks; | |
611 | if (!b) | |
612 | { | |
613 | b = FcBlanksCreate (); | |
614 | if (!b) | |
615 | return FcFalse; | |
616 | } | |
617 | if (!FcBlanksAdd (b, blank)) | |
618 | return FcFalse; | |
619 | config->blanks = b; | |
620 | return FcTrue; | |
621 | } | |
622 | ||
623 | int | |
624 | FcConfigGetRescanInverval (FcConfig *config) | |
625 | { | |
626 | if (!config) | |
627 | { | |
628 | config = FcConfigGetCurrent (); | |
629 | if (!config) | |
630 | return 0; | |
631 | } | |
632 | return config->rescanInterval; | |
633 | } | |
634 | ||
635 | FcBool | |
636 | FcConfigSetRescanInverval (FcConfig *config, int rescanInterval) | |
637 | { | |
638 | if (!config) | |
639 | { | |
640 | config = FcConfigGetCurrent (); | |
641 | if (!config) | |
642 | return FcFalse; | |
643 | } | |
644 | config->rescanInterval = rescanInterval; | |
645 | return FcTrue; | |
646 | } | |
647 | ||
648 | FcBool | |
649 | FcConfigAddEdit (FcConfig *config, | |
650 | FcTest *test, | |
651 | FcEdit *edit, | |
652 | FcMatchKind kind) | |
653 | { | |
654 | FcSubst *subst, **prev; | |
655 | FcTest *t; | |
656 | int num; | |
657 | ||
658 | subst = (FcSubst *) malloc (sizeof (FcSubst)); | |
659 | if (!subst) | |
660 | return FcFalse; | |
661 | FcMemAlloc (FC_MEM_SUBST, sizeof (FcSubst)); | |
662 | if (kind == FcMatchPattern) | |
663 | prev = &config->substPattern; | |
664 | else | |
665 | prev = &config->substFont; | |
666 | for (; *prev; prev = &(*prev)->next); | |
667 | *prev = subst; | |
668 | subst->next = 0; | |
669 | subst->test = test; | |
670 | subst->edit = edit; | |
671 | num = 0; | |
672 | for (t = test; t; t = t->next) | |
673 | { | |
674 | if (t->kind == FcMatchDefault) | |
675 | t->kind = kind; | |
676 | num++; | |
677 | } | |
678 | if (config->maxObjects < num) | |
679 | config->maxObjects = num; | |
680 | if (FcDebug () & FC_DBG_EDIT) | |
681 | { | |
682 | printf ("Add Subst "); | |
683 | FcSubstPrint (subst); | |
684 | } | |
685 | return FcTrue; | |
686 | } | |
687 | ||
688 | typedef struct _FcSubState { | |
689 | FcPatternElt *elt; | |
690 | FcValueList *value; | |
691 | } FcSubState; | |
692 | ||
693 | static FcValue | |
694 | FcConfigPromote (FcValue v, FcValue u) | |
695 | { | |
696 | if (v.type == FcTypeInteger) | |
697 | { | |
698 | v.type = FcTypeDouble; | |
699 | v.u.d = (double) v.u.i; | |
700 | } | |
701 | else if (v.type == FcTypeVoid && u.type == FcTypeMatrix) | |
702 | { | |
703 | v.u.m = &FcIdentityMatrix; | |
704 | v.type = FcTypeMatrix; | |
705 | } | |
706 | else if (v.type == FcTypeString && u.type == FcTypeLangSet) | |
707 | { | |
708 | v.u.l = FcLangSetPromote (v.u.s); | |
709 | v.type = FcTypeLangSet; | |
710 | } | |
711 | return v; | |
712 | } | |
713 | ||
714 | FcBool | |
715 | FcConfigCompareValue (const FcValue *left_o, | |
716 | FcOp op, | |
717 | const FcValue *right_o) | |
718 | { | |
719 | FcValue left = FcValueCanonicalize(left_o); | |
720 | FcValue right = FcValueCanonicalize(right_o); | |
721 | FcBool ret = FcFalse; | |
722 | ||
723 | left = FcConfigPromote (left, right); | |
724 | right = FcConfigPromote (right, left); | |
725 | if (left.type == right.type) | |
726 | { | |
727 | switch (left.type) { | |
728 | case FcTypeInteger: | |
729 | break; /* FcConfigPromote prevents this from happening */ | |
730 | case FcTypeDouble: | |
731 | switch (op) { | |
732 | case FcOpEqual: | |
733 | case FcOpContains: | |
734 | case FcOpListing: | |
735 | ret = left.u.d == right.u.d; | |
736 | break; | |
737 | case FcOpNotEqual: | |
738 | case FcOpNotContains: | |
739 | ret = left.u.d != right.u.d; | |
740 | break; | |
741 | case FcOpLess: | |
742 | ret = left.u.d < right.u.d; | |
743 | break; | |
744 | case FcOpLessEqual: | |
745 | ret = left.u.d <= right.u.d; | |
746 | break; | |
747 | case FcOpMore: | |
748 | ret = left.u.d > right.u.d; | |
749 | break; | |
750 | case FcOpMoreEqual: | |
751 | ret = left.u.d >= right.u.d; | |
752 | break; | |
753 | default: | |
754 | break; | |
755 | } | |
756 | break; | |
757 | case FcTypeBool: | |
758 | switch (op) { | |
759 | case FcOpEqual: | |
760 | case FcOpContains: | |
761 | case FcOpListing: | |
762 | ret = left.u.b == right.u.b; | |
763 | break; | |
764 | case FcOpNotEqual: | |
765 | case FcOpNotContains: | |
766 | ret = left.u.b != right.u.b; | |
767 | break; | |
768 | default: | |
769 | break; | |
770 | } | |
771 | break; | |
772 | case FcTypeString: | |
773 | switch (op) { | |
774 | case FcOpEqual: | |
775 | case FcOpListing: | |
776 | ret = FcStrCmpIgnoreCase (left.u.s, right.u.s) == 0; | |
777 | break; | |
778 | case FcOpContains: | |
779 | ret = FcStrStrIgnoreCase (left.u.s, right.u.s) != 0; | |
780 | break; | |
781 | case FcOpNotEqual: | |
782 | ret = FcStrCmpIgnoreCase (left.u.s, right.u.s) != 0; | |
783 | break; | |
784 | case FcOpNotContains: | |
785 | ret = FcStrCmpIgnoreCase (left.u.s, right.u.s) == 0; | |
786 | break; | |
787 | default: | |
788 | break; | |
789 | } | |
790 | break; | |
791 | case FcTypeMatrix: | |
792 | switch (op) { | |
793 | case FcOpEqual: | |
794 | case FcOpContains: | |
795 | case FcOpListing: | |
796 | ret = FcMatrixEqual (left.u.m, right.u.m); | |
797 | break; | |
798 | case FcOpNotEqual: | |
799 | case FcOpNotContains: | |
800 | ret = !FcMatrixEqual (left.u.m, right.u.m); | |
801 | break; | |
802 | default: | |
803 | break; | |
804 | } | |
805 | break; | |
806 | case FcTypeCharSet: | |
807 | switch (op) { | |
808 | case FcOpContains: | |
809 | case FcOpListing: | |
810 | /* left contains right if right is a subset of left */ | |
811 | ret = FcCharSetIsSubset (right.u.c, left.u.c); | |
812 | break; | |
813 | case FcOpNotContains: | |
814 | /* left contains right if right is a subset of left */ | |
815 | ret = !FcCharSetIsSubset (right.u.c, left.u.c); | |
816 | break; | |
817 | case FcOpEqual: | |
818 | ret = FcCharSetEqual (left.u.c, right.u.c); | |
819 | break; | |
820 | case FcOpNotEqual: | |
821 | ret = !FcCharSetEqual (left.u.c, right.u.c); | |
822 | break; | |
823 | default: | |
824 | break; | |
825 | } | |
826 | break; | |
827 | case FcTypeLangSet: | |
828 | switch (op) { | |
829 | case FcOpContains: | |
830 | case FcOpListing: | |
831 | ret = FcLangSetContains (left.u.l, right.u.l); | |
832 | break; | |
833 | case FcOpNotContains: | |
834 | ret = !FcLangSetContains (left.u.l, right.u.l); | |
835 | break; | |
836 | case FcOpEqual: | |
837 | ret = FcLangSetEqual (left.u.l, right.u.l); | |
838 | break; | |
839 | case FcOpNotEqual: | |
840 | ret = !FcLangSetEqual (left.u.l, right.u.l); | |
841 | break; | |
842 | default: | |
843 | break; | |
844 | } | |
845 | break; | |
846 | case FcTypeVoid: | |
847 | switch (op) { | |
848 | case FcOpEqual: | |
849 | case FcOpContains: | |
850 | case FcOpListing: | |
851 | ret = FcTrue; | |
852 | break; | |
853 | default: | |
854 | break; | |
855 | } | |
856 | break; | |
857 | case FcTypeFTFace: | |
858 | switch (op) { | |
859 | case FcOpEqual: | |
860 | case FcOpContains: | |
861 | case FcOpListing: | |
862 | ret = left.u.f == right.u.f; | |
863 | break; | |
864 | case FcOpNotEqual: | |
865 | case FcOpNotContains: | |
866 | ret = left.u.f != right.u.f; | |
867 | break; | |
868 | default: | |
869 | break; | |
870 | } | |
871 | break; | |
872 | } | |
873 | } | |
874 | else | |
875 | { | |
876 | if (op == FcOpNotEqual || op == FcOpNotContains) | |
877 | ret = FcTrue; | |
878 | } | |
879 | return ret; | |
880 | } | |
881 | ||
882 | ||
883 | #define _FcDoubleFloor(d) ((int) (d)) | |
884 | #define _FcDoubleCeil(d) ((double) (int) (d) == (d) ? (int) (d) : (int) ((d) + 1)) | |
885 | #define FcDoubleFloor(d) ((d) >= 0 ? _FcDoubleFloor(d) : -_FcDoubleCeil(-(d))) | |
886 | #define FcDoubleCeil(d) ((d) >= 0 ? _FcDoubleCeil(d) : -_FcDoubleFloor(-(d))) | |
887 | #define FcDoubleRound(d) FcDoubleFloor ((d) + 0.5) | |
888 | #define FcDoubleTrunc(d) ((d) >= 0 ? _FcDoubleFloor (d) : -_FcDoubleFloor (-(d))) | |
889 | ||
890 | static FcValue | |
891 | FcConfigEvaluate (FcPattern *p, FcExpr *e) | |
892 | { | |
893 | FcValue v, vl, vr; | |
894 | FcResult r; | |
895 | FcMatrix *m; | |
896 | FcChar8 *str; | |
897 | ||
898 | switch (e->op) { | |
899 | case FcOpInteger: | |
900 | v.type = FcTypeInteger; | |
901 | v.u.i = e->u.ival; | |
902 | break; | |
903 | case FcOpDouble: | |
904 | v.type = FcTypeDouble; | |
905 | v.u.d = e->u.dval; | |
906 | break; | |
907 | case FcOpString: | |
908 | v.type = FcTypeString; | |
909 | v.u.s = FcStrStaticName(e->u.sval); | |
910 | break; | |
911 | case FcOpMatrix: | |
912 | v.type = FcTypeMatrix; | |
913 | v.u.m = e->u.mval; | |
914 | v = FcValueSave (v); | |
915 | break; | |
916 | case FcOpCharSet: | |
917 | v.type = FcTypeCharSet; | |
918 | v.u.c = e->u.cval; | |
919 | v = FcValueSave (v); | |
920 | break; | |
921 | case FcOpBool: | |
922 | v.type = FcTypeBool; | |
923 | v.u.b = e->u.bval; | |
924 | break; | |
925 | case FcOpField: | |
926 | r = FcPatternGet (p, e->u.field, 0, &v); | |
927 | if (r != FcResultMatch) | |
928 | v.type = FcTypeVoid; | |
929 | v = FcValueSave (v); | |
930 | break; | |
931 | case FcOpConst: | |
932 | if (FcNameConstant (e->u.constant, &v.u.i)) | |
933 | v.type = FcTypeInteger; | |
934 | else | |
935 | v.type = FcTypeVoid; | |
936 | break; | |
937 | case FcOpQuest: | |
938 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
939 | if (vl.type == FcTypeBool) | |
940 | { | |
941 | if (vl.u.b) | |
942 | v = FcConfigEvaluate (p, e->u.tree.right->u.tree.left); | |
943 | else | |
944 | v = FcConfigEvaluate (p, e->u.tree.right->u.tree.right); | |
945 | } | |
946 | else | |
947 | v.type = FcTypeVoid; | |
948 | FcValueDestroy (vl); | |
949 | break; | |
950 | case FcOpEqual: | |
951 | case FcOpNotEqual: | |
952 | case FcOpLess: | |
953 | case FcOpLessEqual: | |
954 | case FcOpMore: | |
955 | case FcOpMoreEqual: | |
956 | case FcOpContains: | |
957 | case FcOpNotContains: | |
958 | case FcOpListing: | |
959 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
960 | vr = FcConfigEvaluate (p, e->u.tree.right); | |
961 | v.type = FcTypeBool; | |
962 | v.u.b = FcConfigCompareValue (&vl, e->op, &vr); | |
963 | FcValueDestroy (vl); | |
964 | FcValueDestroy (vr); | |
965 | break; | |
966 | case FcOpOr: | |
967 | case FcOpAnd: | |
968 | case FcOpPlus: | |
969 | case FcOpMinus: | |
970 | case FcOpTimes: | |
971 | case FcOpDivide: | |
972 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
973 | vr = FcConfigEvaluate (p, e->u.tree.right); | |
974 | vl = FcConfigPromote (vl, vr); | |
975 | vr = FcConfigPromote (vr, vl); | |
976 | if (vl.type == vr.type) | |
977 | { | |
978 | switch (vl.type) { | |
979 | case FcTypeDouble: | |
980 | switch (e->op) { | |
981 | case FcOpPlus: | |
982 | v.type = FcTypeDouble; | |
983 | v.u.d = vl.u.d + vr.u.d; | |
984 | break; | |
985 | case FcOpMinus: | |
986 | v.type = FcTypeDouble; | |
987 | v.u.d = vl.u.d - vr.u.d; | |
988 | break; | |
989 | case FcOpTimes: | |
990 | v.type = FcTypeDouble; | |
991 | v.u.d = vl.u.d * vr.u.d; | |
992 | break; | |
993 | case FcOpDivide: | |
994 | v.type = FcTypeDouble; | |
995 | v.u.d = vl.u.d / vr.u.d; | |
996 | break; | |
997 | default: | |
998 | v.type = FcTypeVoid; | |
999 | break; | |
1000 | } | |
1001 | if (v.type == FcTypeDouble && | |
1002 | v.u.d == (double) (int) v.u.d) | |
1003 | { | |
1004 | v.type = FcTypeInteger; | |
1005 | v.u.i = (int) v.u.d; | |
1006 | } | |
1007 | break; | |
1008 | case FcTypeBool: | |
1009 | switch (e->op) { | |
1010 | case FcOpOr: | |
1011 | v.type = FcTypeBool; | |
1012 | v.u.b = vl.u.b || vr.u.b; | |
1013 | break; | |
1014 | case FcOpAnd: | |
1015 | v.type = FcTypeBool; | |
1016 | v.u.b = vl.u.b && vr.u.b; | |
1017 | break; | |
1018 | default: | |
1019 | v.type = FcTypeVoid; | |
1020 | break; | |
1021 | } | |
1022 | break; | |
1023 | case FcTypeString: | |
1024 | switch (e->op) { | |
1025 | case FcOpPlus: | |
1026 | v.type = FcTypeString; | |
1027 | str = FcStrPlus (vl.u.s, vr.u.s); | |
1028 | v.u.s = FcStrStaticName (str); | |
1029 | FcStrFree (str); | |
1030 | ||
1031 | if (!v.u.s) | |
1032 | v.type = FcTypeVoid; | |
1033 | break; | |
1034 | default: | |
1035 | v.type = FcTypeVoid; | |
1036 | break; | |
1037 | } | |
1038 | break; | |
1039 | case FcTypeMatrix: | |
1040 | switch (e->op) { | |
1041 | case FcOpTimes: | |
1042 | v.type = FcTypeMatrix; | |
1043 | m = malloc (sizeof (FcMatrix)); | |
1044 | if (m) | |
1045 | { | |
1046 | FcMemAlloc (FC_MEM_MATRIX, sizeof (FcMatrix)); | |
1047 | FcMatrixMultiply (m, vl.u.m, vr.u.m); | |
1048 | v.u.m = m; | |
1049 | } | |
1050 | else | |
1051 | { | |
1052 | v.type = FcTypeVoid; | |
1053 | } | |
1054 | break; | |
1055 | default: | |
1056 | v.type = FcTypeVoid; | |
1057 | break; | |
1058 | } | |
1059 | break; | |
1060 | default: | |
1061 | v.type = FcTypeVoid; | |
1062 | break; | |
1063 | } | |
1064 | } | |
1065 | else | |
1066 | v.type = FcTypeVoid; | |
1067 | FcValueDestroy (vl); | |
1068 | FcValueDestroy (vr); | |
1069 | break; | |
1070 | case FcOpNot: | |
1071 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
1072 | switch (vl.type) { | |
1073 | case FcTypeBool: | |
1074 | v.type = FcTypeBool; | |
1075 | v.u.b = !vl.u.b; | |
1076 | break; | |
1077 | default: | |
1078 | v.type = FcTypeVoid; | |
1079 | break; | |
1080 | } | |
1081 | FcValueDestroy (vl); | |
1082 | break; | |
1083 | case FcOpFloor: | |
1084 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
1085 | switch (vl.type) { | |
1086 | case FcTypeInteger: | |
1087 | v = vl; | |
1088 | break; | |
1089 | case FcTypeDouble: | |
1090 | v.type = FcTypeInteger; | |
1091 | v.u.i = FcDoubleFloor (vl.u.d); | |
1092 | break; | |
1093 | default: | |
1094 | v.type = FcTypeVoid; | |
1095 | break; | |
1096 | } | |
1097 | FcValueDestroy (vl); | |
1098 | break; | |
1099 | case FcOpCeil: | |
1100 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
1101 | switch (vl.type) { | |
1102 | case FcTypeInteger: | |
1103 | v = vl; | |
1104 | break; | |
1105 | case FcTypeDouble: | |
1106 | v.type = FcTypeInteger; | |
1107 | v.u.i = FcDoubleCeil (vl.u.d); | |
1108 | break; | |
1109 | default: | |
1110 | v.type = FcTypeVoid; | |
1111 | break; | |
1112 | } | |
1113 | FcValueDestroy (vl); | |
1114 | break; | |
1115 | case FcOpRound: | |
1116 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
1117 | switch (vl.type) { | |
1118 | case FcTypeInteger: | |
1119 | v = vl; | |
1120 | break; | |
1121 | case FcTypeDouble: | |
1122 | v.type = FcTypeInteger; | |
1123 | v.u.i = FcDoubleRound (vl.u.d); | |
1124 | break; | |
1125 | default: | |
1126 | v.type = FcTypeVoid; | |
1127 | break; | |
1128 | } | |
1129 | FcValueDestroy (vl); | |
1130 | break; | |
1131 | case FcOpTrunc: | |
1132 | vl = FcConfigEvaluate (p, e->u.tree.left); | |
1133 | switch (vl.type) { | |
1134 | case FcTypeInteger: | |
1135 | v = vl; | |
1136 | break; | |
1137 | case FcTypeDouble: | |
1138 | v.type = FcTypeInteger; | |
1139 | v.u.i = FcDoubleTrunc (vl.u.d); | |
1140 | break; | |
1141 | default: | |
1142 | v.type = FcTypeVoid; | |
1143 | break; | |
1144 | } | |
1145 | FcValueDestroy (vl); | |
1146 | break; | |
1147 | default: | |
1148 | v.type = FcTypeVoid; | |
1149 | break; | |
1150 | } | |
1151 | return v; | |
1152 | } | |
1153 | ||
1154 | static FcValueList * | |
1155 | FcConfigMatchValueList (FcPattern *p, | |
1156 | FcTest *t, | |
1157 | FcValueList *values) | |
1158 | { | |
1159 | FcValueList *ret = 0; | |
1160 | FcExpr *e = t->expr; | |
1161 | FcValue value; | |
1162 | FcValueList *v; | |
1163 | ||
1164 | while (e) | |
1165 | { | |
1166 | /* Compute the value of the match expression */ | |
1167 | if (e->op == FcOpComma) | |
1168 | { | |
1169 | value = FcConfigEvaluate (p, e->u.tree.left); | |
1170 | e = e->u.tree.right; | |
1171 | } | |
1172 | else | |
1173 | { | |
1174 | value = FcConfigEvaluate (p, e); | |
1175 | e = 0; | |
1176 | } | |
1177 | ||
1178 | for (v = values; v; v = FcValueListPtrU(v->next)) | |
1179 | { | |
1180 | /* Compare the pattern value to the match expression value */ | |
1181 | if (FcConfigCompareValue (&v->value, t->op, &value)) | |
1182 | { | |
1183 | if (!ret) | |
1184 | ret = v; | |
1185 | } | |
1186 | else | |
1187 | { | |
1188 | if (t->qual == FcQualAll) | |
1189 | { | |
1190 | ret = 0; | |
1191 | break; | |
1192 | } | |
1193 | } | |
1194 | } | |
1195 | FcValueDestroy (value); | |
1196 | } | |
1197 | return ret; | |
1198 | } | |
1199 | ||
1200 | static FcValueList * | |
1201 | FcConfigValues (FcPattern *p, FcExpr *e, FcValueBinding binding) | |
1202 | { | |
1203 | FcValueList *l; | |
1204 | ||
1205 | if (!e) | |
1206 | return 0; | |
1207 | l = (FcValueList *) malloc (sizeof (FcValueList)); | |
1208 | if (!l) | |
1209 | return 0; | |
1210 | FcMemAlloc (FC_MEM_VALLIST, sizeof (FcValueList)); | |
1211 | if (e->op == FcOpComma) | |
1212 | { | |
1213 | l->value = FcConfigEvaluate (p, e->u.tree.left); | |
1214 | l->next = FcValueListPtrCreateDynamic(FcConfigValues (p, e->u.tree.right, binding)); | |
1215 | } | |
1216 | else | |
1217 | { | |
1218 | l->value = FcConfigEvaluate (p, e); | |
1219 | l->next = FcValueListPtrCreateDynamic(0); | |
1220 | } | |
1221 | l->binding = binding; | |
1222 | if (l->value.type == FcTypeVoid) | |
1223 | { | |
1224 | FcValueList *next = FcValueListPtrU(l->next); | |
1225 | ||
1226 | FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList)); | |
1227 | free (l); | |
1228 | l = next; | |
1229 | } | |
1230 | ||
1231 | return l; | |
1232 | } | |
1233 | ||
1234 | static FcBool | |
1235 | FcConfigAdd (FcValueListPtr *head, | |
1236 | FcValueList *position, | |
1237 | FcBool append, | |
1238 | FcValueList *new) | |
1239 | { | |
1240 | FcValueListPtr *prev, last, v; | |
1241 | FcValueBinding sameBinding; | |
1242 | ||
1243 | if (position) | |
1244 | sameBinding = position->binding; | |
1245 | else | |
1246 | sameBinding = FcValueBindingWeak; | |
1247 | for (v = FcValueListPtrCreateDynamic(new); FcValueListPtrU(v); | |
1248 | v = FcValueListPtrU(v)->next) | |
1249 | if (FcValueListPtrU(v)->binding == FcValueBindingSame) | |
1250 | FcValueListPtrU(v)->binding = sameBinding; | |
1251 | if (append) | |
1252 | { | |
1253 | if (position) | |
1254 | prev = &position->next; | |
1255 | else | |
1256 | for (prev = head; FcValueListPtrU(*prev); | |
1257 | prev = &(FcValueListPtrU(*prev)->next)) | |
1258 | ; | |
1259 | } | |
1260 | else | |
1261 | { | |
1262 | if (position) | |
1263 | { | |
1264 | for (prev = head; FcValueListPtrU(*prev); | |
1265 | prev = &(FcValueListPtrU(*prev)->next)) | |
1266 | { | |
1267 | if (FcValueListPtrU(*prev) == position) | |
1268 | break; | |
1269 | } | |
1270 | } | |
1271 | else | |
1272 | prev = head; | |
1273 | ||
1274 | if (FcDebug () & FC_DBG_EDIT) | |
1275 | { | |
1276 | if (!FcValueListPtrU(*prev)) | |
1277 | printf ("position not on list\n"); | |
1278 | } | |
1279 | } | |
1280 | ||
1281 | if (FcDebug () & FC_DBG_EDIT) | |
1282 | { | |
1283 | printf ("%s list before ", append ? "Append" : "Prepend"); | |
1284 | FcValueListPrint (*head); | |
1285 | printf ("\n"); | |
1286 | } | |
1287 | ||
1288 | if (new) | |
1289 | { | |
1290 | last = FcValueListPtrCreateDynamic(new); | |
1291 | while (FcValueListPtrU(FcValueListPtrU(last)->next)) | |
1292 | last = FcValueListPtrU(last)->next; | |
1293 | ||
1294 | FcValueListPtrU(last)->next = *prev; | |
1295 | *prev = FcValueListPtrCreateDynamic(new); | |
1296 | } | |
1297 | ||
1298 | if (FcDebug () & FC_DBG_EDIT) | |
1299 | { | |
1300 | printf ("%s list after ", append ? "Append" : "Prepend"); | |
1301 | FcValueListPrint (*head); | |
1302 | printf ("\n"); | |
1303 | } | |
1304 | ||
1305 | return FcTrue; | |
1306 | } | |
1307 | ||
1308 | static void | |
1309 | FcConfigDel (FcValueListPtr *head, | |
1310 | FcValueList *position) | |
1311 | { | |
1312 | FcValueListPtr *prev; | |
1313 | ||
1314 | for (prev = head; FcValueListPtrU(*prev); | |
1315 | prev = &(FcValueListPtrU(*prev)->next)) | |
1316 | { | |
1317 | if (FcValueListPtrU(*prev) == position) | |
1318 | { | |
1319 | *prev = position->next; | |
1320 | position->next = FcValueListPtrCreateDynamic(0); | |
1321 | FcValueListDestroy (FcValueListPtrCreateDynamic(position)); | |
1322 | break; | |
1323 | } | |
1324 | } | |
1325 | } | |
1326 | ||
1327 | static void | |
1328 | FcConfigPatternAdd (FcPattern *p, | |
1329 | const char *object, | |
1330 | FcValueList *list, | |
1331 | FcBool append) | |
1332 | { | |
1333 | if (list) | |
1334 | { | |
1335 | FcPatternElt *e = FcPatternInsertElt (p, object); | |
1336 | ||
1337 | if (!e) | |
1338 | return; | |
1339 | FcConfigAdd (&e->values, 0, append, list); | |
1340 | } | |
1341 | } | |
1342 | ||
1343 | /* | |
1344 | * Delete all values associated with a field | |
1345 | */ | |
1346 | static void | |
1347 | FcConfigPatternDel (FcPattern *p, | |
1348 | const char *object) | |
1349 | { | |
1350 | FcPatternElt *e = FcPatternFindElt (p, object); | |
1351 | if (!e) | |
1352 | return; | |
1353 | while (FcValueListPtrU(e->values)) | |
1354 | FcConfigDel (&e->values, FcValueListPtrU(e->values)); | |
1355 | } | |
1356 | ||
1357 | static void | |
1358 | FcConfigPatternCanon (FcPattern *p, | |
1359 | const char *object) | |
1360 | { | |
1361 | FcPatternElt *e = FcPatternFindElt (p, object); | |
1362 | if (!e) | |
1363 | return; | |
1364 | if (!FcValueListPtrU(e->values)) | |
1365 | FcPatternDel (p, object); | |
1366 | } | |
1367 | ||
1368 | FcBool | |
1369 | FcConfigSubstituteWithPat (FcConfig *config, | |
1370 | FcPattern *p, | |
1371 | FcPattern *p_pat, | |
1372 | FcMatchKind kind) | |
1373 | { | |
1374 | FcSubst *s; | |
1375 | FcSubState *st; | |
1376 | int i; | |
1377 | FcTest *t; | |
1378 | FcEdit *e; | |
1379 | FcValueList *l; | |
1380 | FcPattern *m; | |
1381 | ||
1382 | if (!config) | |
1383 | { | |
1384 | config = FcConfigGetCurrent (); | |
1385 | if (!config) | |
1386 | return FcFalse; | |
1387 | } | |
1388 | ||
1389 | st = (FcSubState *) malloc (config->maxObjects * sizeof (FcSubState)); | |
1390 | if (!st && config->maxObjects) | |
1391 | return FcFalse; | |
1392 | FcMemAlloc (FC_MEM_SUBSTATE, config->maxObjects * sizeof (FcSubState)); | |
1393 | ||
1394 | if (FcDebug () & FC_DBG_EDIT) | |
1395 | { | |
1396 | printf ("FcConfigSubstitute "); | |
1397 | FcPatternPrint (p); | |
1398 | } | |
1399 | if (kind == FcMatchPattern) | |
1400 | s = config->substPattern; | |
1401 | else | |
1402 | s = config->substFont; | |
1403 | for (; s; s = s->next) | |
1404 | { | |
1405 | /* | |
1406 | * Check the tests to see if | |
1407 | * they all match the pattern | |
1408 | */ | |
1409 | for (t = s->test, i = 0; t; t = t->next, i++) | |
1410 | { | |
1411 | if (FcDebug () & FC_DBG_EDIT) | |
1412 | { | |
1413 | printf ("FcConfigSubstitute test "); | |
1414 | FcTestPrint (t); | |
1415 | } | |
1416 | st[i].elt = 0; | |
1417 | if (kind == FcMatchFont && t->kind == FcMatchPattern) | |
1418 | m = p_pat; | |
1419 | else | |
1420 | m = p; | |
1421 | if (m) | |
1422 | st[i].elt = FcPatternFindElt (m, t->field); | |
1423 | else | |
1424 | st[i].elt = 0; | |
1425 | /* | |
1426 | * If there's no such field in the font, | |
1427 | * then FcQualAll matches while FcQualAny does not | |
1428 | */ | |
1429 | if (!st[i].elt) | |
1430 | { | |
1431 | if (t->qual == FcQualAll) | |
1432 | { | |
1433 | st[i].value = 0; | |
1434 | continue; | |
1435 | } | |
1436 | else | |
1437 | break; | |
1438 | } | |
1439 | /* | |
1440 | * Check to see if there is a match, mark the location | |
1441 | * to apply match-relative edits | |
1442 | */ | |
1443 | st[i].value = FcConfigMatchValueList (m, t, FcValueListPtrU(st[i].elt->values)); | |
1444 | if (!st[i].value) | |
1445 | break; | |
1446 | if (t->qual == FcQualFirst && st[i].value != FcValueListPtrU(st[i].elt->values)) | |
1447 | break; | |
1448 | if (t->qual == FcQualNotFirst && st[i].value == FcValueListPtrU(st[i].elt->values)) | |
1449 | break; | |
1450 | } | |
1451 | if (t) | |
1452 | { | |
1453 | if (FcDebug () & FC_DBG_EDIT) | |
1454 | printf ("No match\n"); | |
1455 | continue; | |
1456 | } | |
1457 | if (FcDebug () & FC_DBG_EDIT) | |
1458 | { | |
1459 | printf ("Substitute "); | |
1460 | FcSubstPrint (s); | |
1461 | } | |
1462 | for (e = s->edit; e; e = e->next) | |
1463 | { | |
1464 | /* | |
1465 | * Evaluate the list of expressions | |
1466 | */ | |
1467 | l = FcConfigValues (p, e->expr, e->binding); | |
1468 | /* | |
1469 | * Locate any test associated with this field, skipping | |
1470 | * tests associated with the pattern when substituting in | |
1471 | * the font | |
1472 | */ | |
1473 | for (t = s->test, i = 0; t; t = t->next, i++) | |
1474 | { | |
1475 | if ((t->kind == FcMatchFont || kind == FcMatchPattern) && | |
1476 | !FcStrCmpIgnoreCase ((FcChar8 *) t->field, | |
1477 | (FcChar8 *) e->field)) | |
1478 | { | |
1479 | /* | |
1480 | * KLUDGE - the pattern may have been reallocated or | |
1481 | * things may have been inserted or deleted above | |
1482 | * this element by other edits. Go back and find | |
1483 | * the element again | |
1484 | */ | |
1485 | if (e != s->edit && st[i].elt) | |
1486 | st[i].elt = FcPatternFindElt (p, t->field); | |
1487 | if (!st[i].elt) | |
1488 | t = 0; | |
1489 | break; | |
1490 | } | |
1491 | } | |
1492 | switch (e->op) { | |
1493 | case FcOpAssign: | |
1494 | /* | |
1495 | * If there was a test, then replace the matched | |
1496 | * value with the new list of values | |
1497 | */ | |
1498 | if (t) | |
1499 | { | |
1500 | FcValueList *thisValue = st[i].value; | |
1501 | FcValueList *nextValue = thisValue ? FcValueListPtrU(thisValue->next) : 0; | |
1502 | ||
1503 | /* | |
1504 | * Append the new list of values after the current value | |
1505 | */ | |
1506 | FcConfigAdd (&st[i].elt->values, thisValue, FcTrue, l); | |
1507 | /* | |
1508 | * Delete the marked value | |
1509 | */ | |
1510 | FcConfigDel (&st[i].elt->values, thisValue); | |
1511 | /* | |
1512 | * Adjust any pointers into the value list to ensure | |
1513 | * future edits occur at the same place | |
1514 | */ | |
1515 | for (t = s->test, i = 0; t; t = t->next, i++) | |
1516 | { | |
1517 | if (st[i].value == thisValue) | |
1518 | st[i].value = nextValue; | |
1519 | } | |
1520 | break; | |
1521 | } | |
1522 | /* fall through ... */ | |
1523 | case FcOpAssignReplace: | |
1524 | /* | |
1525 | * Delete all of the values and insert | |
1526 | * the new set | |
1527 | */ | |
1528 | FcConfigPatternDel (p, e->field); | |
1529 | FcConfigPatternAdd (p, e->field, l, FcTrue); | |
1530 | /* | |
1531 | * Adjust any pointers into the value list as they no | |
1532 | * longer point to anything valid | |
1533 | */ | |
1534 | if (t) | |
1535 | { | |
1536 | FcPatternElt *thisElt = st[i].elt; | |
1537 | for (t = s->test, i = 0; t; t = t->next, i++) | |
1538 | { | |
1539 | if (st[i].elt == thisElt) | |
1540 | st[i].value = 0; | |
1541 | } | |
1542 | } | |
1543 | break; | |
1544 | case FcOpPrepend: | |
1545 | if (t) | |
1546 | { | |
1547 | FcConfigAdd (&st[i].elt->values, st[i].value, FcFalse, l); | |
1548 | break; | |
1549 | } | |
1550 | /* fall through ... */ | |
1551 | case FcOpPrependFirst: | |
1552 | FcConfigPatternAdd (p, e->field, l, FcFalse); | |
1553 | break; | |
1554 | case FcOpAppend: | |
1555 | if (t) | |
1556 | { | |
1557 | FcConfigAdd (&st[i].elt->values, st[i].value, FcTrue, l); | |
1558 | break; | |
1559 | } | |
1560 | /* fall through ... */ | |
1561 | case FcOpAppendLast: | |
1562 | FcConfigPatternAdd (p, e->field, l, FcTrue); | |
1563 | break; | |
1564 | default: | |
1565 | break; | |
1566 | } | |
1567 | } | |
1568 | /* | |
1569 | * Now go through the pattern and eliminate | |
1570 | * any properties without data | |
1571 | */ | |
1572 | for (e = s->edit; e; e = e->next) | |
1573 | FcConfigPatternCanon (p, e->field); | |
1574 | ||
1575 | if (FcDebug () & FC_DBG_EDIT) | |
1576 | { | |
1577 | printf ("FcConfigSubstitute edit"); | |
1578 | FcPatternPrint (p); | |
1579 | } | |
1580 | } | |
1581 | FcMemFree (FC_MEM_SUBSTATE, config->maxObjects * sizeof (FcSubState)); | |
1582 | free (st); | |
1583 | if (FcDebug () & FC_DBG_EDIT) | |
1584 | { | |
1585 | printf ("FcConfigSubstitute done"); | |
1586 | FcPatternPrint (p); | |
1587 | } | |
1588 | return FcTrue; | |
1589 | } | |
1590 | ||
1591 | FcBool | |
1592 | FcConfigSubstitute (FcConfig *config, | |
1593 | FcPattern *p, | |
1594 | FcMatchKind kind) | |
1595 | { | |
1596 | return FcConfigSubstituteWithPat (config, p, 0, kind); | |
1597 | } | |
1598 | ||
1599 | #if defined (_WIN32) && (defined (PIC) || defined (DLL_EXPORT)) | |
1600 | ||
1601 | static FcChar8 fontconfig_path[1000] = ""; | |
1602 | ||
1603 | BOOL WINAPI | |
1604 | DllMain (HINSTANCE hinstDLL, | |
1605 | DWORD fdwReason, | |
1606 | LPVOID lpvReserved) | |
1607 | { | |
1608 | FcChar8 *p; | |
1609 | ||
1610 | switch (fdwReason) { | |
1611 | case DLL_PROCESS_ATTACH: | |
1612 | if (!GetModuleFileName ((HMODULE) hinstDLL, fontconfig_path, | |
1613 | sizeof (fontconfig_path))) | |
1614 | break; | |
1615 | ||
1616 | /* If the fontconfig DLL is in a "bin" or "lib" subfolder, | |
1617 | * assume it's a Unix-style installation tree, and use | |
1618 | * "etc/fonts" in there as FONTCONFIG_PATH. Otherwise use the | |
1619 | * folder where the DLL is as FONTCONFIG_PATH. | |
1620 | */ | |
1621 | p = strrchr (fontconfig_path, '\\'); | |
1622 | if (p) | |
1623 | { | |
1624 | *p = '\0'; | |
1625 | p = strrchr (fontconfig_path, '\\'); | |
1626 | if (p && (FcStrCmpIgnoreCase (p + 1, "bin") == 0 || | |
1627 | FcStrCmpIgnoreCase (p + 1, "lib") == 0)) | |
1628 | *p = '\0'; | |
1629 | strcat (fontconfig_path, "\\etc\\fonts"); | |
1630 | } | |
1631 | else | |
1632 | fontconfig_path[0] = '\0'; | |
1633 | ||
1634 | break; | |
1635 | } | |
1636 | ||
1637 | return TRUE; | |
1638 | } | |
1639 | ||
1640 | #undef FONTCONFIG_PATH | |
1641 | #define FONTCONFIG_PATH fontconfig_path | |
1642 | ||
1643 | #else /* !(_WIN32 && PIC) */ | |
1644 | ||
1645 | #endif /* !(_WIN32 && PIC) */ | |
1646 | ||
1647 | #ifndef FONTCONFIG_FILE | |
1648 | #define FONTCONFIG_FILE "fonts.conf" | |
1649 | #endif | |
1650 | ||
1651 | static FcChar8 * | |
1652 | FcConfigFileExists (const FcChar8 *dir, const FcChar8 *file) | |
1653 | { | |
1654 | FcChar8 *path; | |
1655 | ||
1656 | if (!dir) | |
1657 | dir = (FcChar8 *) ""; | |
1658 | path = malloc (strlen ((char *) dir) + 1 + strlen ((char *) file) + 1); | |
1659 | if (!path) | |
1660 | return 0; | |
1661 | ||
1662 | strcpy ((char *) path, (const char *) dir); | |
1663 | /* make sure there's a single separator */ | |
1664 | #ifdef _WIN32 | |
1665 | if ((!path[0] || (path[strlen((char *) path)-1] != '/' && | |
1666 | path[strlen((char *) path)-1] != '\\')) && | |
1667 | !(file[0] == '/' || | |
1668 | file[0] == '\\' || | |
1669 | (isalpha (file[0]) && file[1] == ':' && (file[2] == '/' || file[2] == '\\')))) | |
1670 | strcat ((char *) path, "\\"); | |
1671 | #else | |
1672 | if ((!path[0] || path[strlen((char *) path)-1] != '/') && file[0] != '/') | |
1673 | strcat ((char *) path, "/"); | |
1674 | #endif | |
1675 | strcat ((char *) path, (char *) file); | |
1676 | ||
1677 | FcMemAlloc (FC_MEM_STRING, strlen ((char *) path) + 1); | |
1678 | if (access ((char *) path, R_OK) == 0) | |
1679 | return path; | |
1680 | ||
1681 | FcStrFree (path); | |
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | static FcChar8 ** | |
1686 | FcConfigGetPath (void) | |
1687 | { | |
1688 | FcChar8 **path; | |
1689 | FcChar8 *env, *e, *colon; | |
1690 | FcChar8 *dir; | |
1691 | int npath; | |
1692 | int i; | |
1693 | ||
1694 | npath = 2; /* default dir + null */ | |
1695 | env = (FcChar8 *) getenv ("FONTCONFIG_PATH"); | |
1696 | if (env) | |
1697 | { | |
1698 | e = env; | |
1699 | npath++; | |
1700 | while (*e) | |
1701 | if (*e++ == FC_SEARCH_PATH_SEPARATOR) | |
1702 | npath++; | |
1703 | } | |
1704 | path = calloc (npath, sizeof (FcChar8 *)); | |
1705 | if (!path) | |
1706 | goto bail0; | |
1707 | i = 0; | |
1708 | ||
1709 | if (env) | |
1710 | { | |
1711 | e = env; | |
1712 | while (*e) | |
1713 | { | |
1714 | colon = (FcChar8 *) strchr ((char *) e, FC_SEARCH_PATH_SEPARATOR); | |
1715 | if (!colon) | |
1716 | colon = e + strlen ((char *) e); | |
1717 | path[i] = malloc (colon - e + 1); | |
1718 | if (!path[i]) | |
1719 | goto bail1; | |
1720 | strncpy ((char *) path[i], (const char *) e, colon - e); | |
1721 | path[i][colon - e] = '\0'; | |
1722 | if (*colon) | |
1723 | e = colon + 1; | |
1724 | else | |
1725 | e = colon; | |
1726 | i++; | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | dir = (FcChar8 *) FONTCONFIG_PATH; | |
1731 | path[i] = malloc (strlen ((char *) dir) + 1); | |
1732 | if (!path[i]) | |
1733 | goto bail1; | |
1734 | strcpy ((char *) path[i], (const char *) dir); | |
1735 | return path; | |
1736 | ||
1737 | bail1: | |
1738 | for (i = 0; path[i]; i++) | |
1739 | free (path[i]); | |
1740 | free (path); | |
1741 | bail0: | |
1742 | return 0; | |
1743 | } | |
1744 | ||
1745 | static void | |
1746 | FcConfigFreePath (FcChar8 **path) | |
1747 | { | |
1748 | FcChar8 **p; | |
1749 | ||
1750 | for (p = path; *p; p++) | |
1751 | free (*p); | |
1752 | free (path); | |
1753 | } | |
1754 | ||
1755 | static FcBool _FcConfigHomeEnabled = FcTrue; | |
1756 | ||
1757 | FcChar8 * | |
1758 | FcConfigHome (void) | |
1759 | { | |
1760 | if (_FcConfigHomeEnabled) | |
1761 | { | |
1762 | char *home = getenv ("HOME"); | |
1763 | ||
1764 | #ifdef _WIN32 | |
1765 | if (home == NULL) | |
1766 | home = getenv ("USERPROFILE"); | |
1767 | #endif | |
1768 | ||
1769 | return (FcChar8 *) home; | |
1770 | } | |
1771 | return 0; | |
1772 | } | |
1773 | ||
1774 | FcBool | |
1775 | FcConfigEnableHome (FcBool enable) | |
1776 | { | |
1777 | FcBool prev = _FcConfigHomeEnabled; | |
1778 | _FcConfigHomeEnabled = enable; | |
1779 | return prev; | |
1780 | } | |
1781 | ||
1782 | FcChar8 * | |
1783 | FcConfigFilename (const FcChar8 *url) | |
1784 | { | |
1785 | FcChar8 *file, *dir, **path, **p; | |
1786 | ||
1787 | if (!url || !*url) | |
1788 | { | |
1789 | url = (FcChar8 *) getenv ("FONTCONFIG_FILE"); | |
1790 | if (!url) | |
1791 | url = (FcChar8 *) FONTCONFIG_FILE; | |
1792 | } | |
1793 | file = 0; | |
1794 | ||
1795 | #ifdef _WIN32 | |
1796 | if (isalpha (*url) && | |
1797 | url[1] == ':' && | |
1798 | (url[2] == '/' || url[2] == '\\')) | |
1799 | goto absolute_path; | |
1800 | #endif | |
1801 | ||
1802 | switch (*url) { | |
1803 | case '~': | |
1804 | dir = FcConfigHome (); | |
1805 | if (dir) | |
1806 | file = FcConfigFileExists (dir, url + 1); | |
1807 | else | |
1808 | file = 0; | |
1809 | break; | |
1810 | #ifdef _WIN32 | |
1811 | case '\\': | |
1812 | absolute_path: | |
1813 | #endif | |
1814 | case '/': | |
1815 | file = FcConfigFileExists (0, url); | |
1816 | break; | |
1817 | default: | |
1818 | path = FcConfigGetPath (); | |
1819 | if (!path) | |
1820 | return 0; | |
1821 | for (p = path; *p; p++) | |
1822 | { | |
1823 | file = FcConfigFileExists (*p, url); | |
1824 | if (file) | |
1825 | break; | |
1826 | } | |
1827 | FcConfigFreePath (path); | |
1828 | break; | |
1829 | } | |
1830 | return file; | |
1831 | } | |
1832 | ||
1833 | /* | |
1834 | * Manage the application-specific fonts | |
1835 | */ | |
1836 | ||
1837 | FcBool | |
1838 | FcConfigAppFontAddFile (FcConfig *config, | |
1839 | const FcChar8 *file) | |
1840 | { | |
1841 | FcFontSet *set; | |
1842 | FcStrSet *subdirs; | |
1843 | FcStrList *sublist; | |
1844 | FcChar8 *subdir; | |
1845 | ||
1846 | if (!config) | |
1847 | { | |
1848 | config = FcConfigGetCurrent (); | |
1849 | if (!config) | |
1850 | return FcFalse; | |
1851 | } | |
1852 | ||
1853 | subdirs = FcStrSetCreate (); | |
1854 | if (!subdirs) | |
1855 | return FcFalse; | |
1856 | ||
1857 | set = FcConfigGetFonts (config, FcSetApplication); | |
1858 | if (!set) | |
1859 | { | |
1860 | set = FcFontSetCreate (); | |
1861 | if (!set) | |
1862 | { | |
1863 | FcStrSetDestroy (subdirs); | |
1864 | return FcFalse; | |
1865 | } | |
1866 | FcConfigSetFonts (config, set, FcSetApplication); | |
1867 | } | |
1868 | ||
1869 | if (!FcFileScanConfig (set, subdirs, 0, config->blanks, file, FcFalse, config)) | |
1870 | { | |
1871 | FcStrSetDestroy (subdirs); | |
1872 | return FcFalse; | |
1873 | } | |
1874 | if ((sublist = FcStrListCreate (subdirs))) | |
1875 | { | |
1876 | while ((subdir = FcStrListNext (sublist))) | |
1877 | { | |
1878 | FcConfigAppFontAddDir (config, subdir); | |
1879 | } | |
1880 | FcStrListDone (sublist); | |
1881 | } | |
1882 | FcStrSetDestroy (subdirs); | |
1883 | return FcTrue; | |
1884 | } | |
1885 | ||
1886 | FcBool | |
1887 | FcConfigAppFontAddDir (FcConfig *config, | |
1888 | const FcChar8 *dir) | |
1889 | { | |
1890 | FcFontSet *set; | |
1891 | FcStrSet *subdirs; | |
1892 | FcStrList *sublist; | |
1893 | FcChar8 *subdir; | |
1894 | ||
1895 | if (!config) | |
1896 | { | |
1897 | config = FcConfigGetCurrent (); | |
1898 | if (!config) | |
1899 | return FcFalse; | |
1900 | } | |
1901 | subdirs = FcStrSetCreate (); | |
1902 | if (!subdirs) | |
1903 | return FcFalse; | |
1904 | ||
1905 | set = FcConfigGetFonts (config, FcSetApplication); | |
1906 | if (!set) | |
1907 | { | |
1908 | set = FcFontSetCreate (); | |
1909 | if (!set) | |
1910 | { | |
1911 | FcStrSetDestroy (subdirs); | |
1912 | return FcFalse; | |
1913 | } | |
1914 | FcConfigSetFonts (config, set, FcSetApplication); | |
1915 | } | |
1916 | ||
1917 | if (!FcDirScanConfig (set, subdirs, 0, config->blanks, dir, FcFalse, config)) | |
1918 | { | |
1919 | FcStrSetDestroy (subdirs); | |
1920 | return FcFalse; | |
1921 | } | |
1922 | if ((sublist = FcStrListCreate (subdirs))) | |
1923 | { | |
1924 | while ((subdir = FcStrListNext (sublist))) | |
1925 | { | |
1926 | FcConfigAppFontAddDir (config, subdir); | |
1927 | } | |
1928 | FcStrListDone (sublist); | |
1929 | } | |
1930 | FcStrSetDestroy (subdirs); | |
1931 | return FcTrue; | |
1932 | } | |
1933 | ||
1934 | void | |
1935 | FcConfigAppFontClear (FcConfig *config) | |
1936 | { | |
1937 | if (!config) | |
1938 | { | |
1939 | config = FcConfigGetCurrent (); | |
1940 | if (!config) | |
1941 | return; | |
1942 | } | |
1943 | ||
1944 | FcConfigSetFonts (config, 0, FcSetApplication); | |
1945 | } | |
1946 | ||
1947 | /* | |
1948 | * Manage filename-based font source selectors | |
1949 | */ | |
1950 | ||
1951 | FcBool | |
1952 | FcConfigGlobAdd (FcConfig *config, | |
1953 | const FcChar8 *glob, | |
1954 | FcBool accept) | |
1955 | { | |
1956 | FcStrSet *set = accept ? config->acceptGlobs : config->rejectGlobs; | |
1957 | ||
1958 | return FcStrSetAdd (set, glob); | |
1959 | } | |
1960 | ||
1961 | static FcBool | |
1962 | FcConfigGlobMatch (const FcChar8 *glob, | |
1963 | const FcChar8 *string) | |
1964 | { | |
1965 | FcChar8 c; | |
1966 | ||
1967 | while ((c = *glob++)) | |
1968 | { | |
1969 | switch (c) { | |
1970 | case '*': | |
1971 | /* short circuit common case */ | |
1972 | if (!*glob) | |
1973 | return FcTrue; | |
1974 | /* short circuit another common case */ | |
1975 | if (strchr ((char *) glob, '*') == 0) | |
1976 | string += strlen ((char *) string) - strlen ((char *) glob); | |
1977 | while (*string) | |
1978 | { | |
1979 | if (FcConfigGlobMatch (glob, string)) | |
1980 | return FcTrue; | |
1981 | string++; | |
1982 | } | |
1983 | return FcFalse; | |
1984 | case '?': | |
1985 | if (*string++ == '\0') | |
1986 | return FcFalse; | |
1987 | break; | |
1988 | default: | |
1989 | if (*string++ != c) | |
1990 | return FcFalse; | |
1991 | break; | |
1992 | } | |
1993 | } | |
1994 | return *string == '\0'; | |
1995 | } | |
1996 | ||
1997 | static FcBool | |
1998 | FcConfigGlobsMatch (const FcStrSet *globs, | |
1999 | const FcChar8 *string) | |
2000 | { | |
2001 | int i; | |
2002 | ||
2003 | for (i = 0; i < globs->num; i++) | |
2004 | if (FcConfigGlobMatch (globs->strs[i], string)) | |
2005 | return FcTrue; | |
2006 | return FcFalse; | |
2007 | } | |
2008 | ||
2009 | FcBool | |
2010 | FcConfigAcceptFilename (FcConfig *config, | |
2011 | const FcChar8 *filename) | |
2012 | { | |
2013 | if (FcConfigGlobsMatch (config->acceptGlobs, filename)) | |
2014 | return FcTrue; | |
2015 | if (FcConfigGlobsMatch (config->rejectGlobs, filename)) | |
2016 | return FcFalse; | |
2017 | return FcTrue; | |
2018 | } | |
2019 | ||
2020 | /* | |
2021 | * Manage font-pattern based font source selectors | |
2022 | */ | |
2023 | ||
2024 | FcBool | |
2025 | FcConfigPatternsAdd (FcConfig *config, | |
2026 | FcPattern *pattern, | |
2027 | FcBool accept) | |
2028 | { | |
2029 | FcFontSet *set = accept ? config->acceptPatterns : config->rejectPatterns; | |
2030 | ||
2031 | return FcFontSetAdd (set, pattern); | |
2032 | } | |
2033 | ||
2034 | static FcBool | |
2035 | FcConfigPatternsMatch (const FcFontSet *patterns, | |
2036 | const FcPattern *font) | |
2037 | { | |
2038 | int i; | |
2039 | ||
2040 | for (i = 0; i < patterns->nfont; i++) | |
2041 | if (FcListPatternMatchAny (patterns->fonts[i], font)) | |
2042 | return FcTrue; | |
2043 | return FcFalse; | |
2044 | } | |
2045 | ||
2046 | FcBool | |
2047 | FcConfigAcceptFont (FcConfig *config, | |
2048 | const FcPattern *font) | |
2049 | { | |
2050 | if (FcConfigPatternsMatch (config->acceptPatterns, font)) | |
2051 | return FcTrue; | |
2052 | if (FcConfigPatternsMatch (config->rejectPatterns, font)) | |
2053 | return FcFalse; | |
2054 | return FcTrue; | |
2055 | } |