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