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