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