]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * Copyright © 2000 Keith Packard | |
3 | * | |
4 | * Permission to use, copy, modify, distribute, and sell this software and its | |
5 | * documentation for any purpose is hereby granted without fee, provided that | |
6 | * the above copyright notice appear in all copies and that both that | |
7 | * copyright notice and this permission notice appear in supporting | |
8 | * documentation, and that the name of Keith Packard not be used in | |
9 | * advertising or publicity pertaining to distribution of the software without | |
10 | * specific, written prior permission. Keith Packard makes no | |
11 | * representations about the suitability of this software for any purpose. It | |
12 | * is provided "as is" without express or implied warranty. | |
13 | * | |
14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
16 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | |
20 | * PERFORMANCE OF THIS SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include "fcint.h" | |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | #include <assert.h> | |
27 | ||
28 | static FcBool | |
29 | FcStrHashed (const FcChar8 *name); | |
30 | ||
31 | FcPattern * | |
32 | FcPatternCreate (void) | |
33 | { | |
34 | FcPattern *p; | |
35 | ||
36 | p = (FcPattern *) malloc (sizeof (FcPattern)); | |
37 | if (!p) | |
38 | return 0; | |
39 | FcMemAlloc (FC_MEM_PATTERN, sizeof (FcPattern)); | |
40 | p->num = 0; | |
41 | p->size = 0; | |
42 | p->elts_offset = FcPtrToOffset (p, NULL); | |
43 | p->ref = 1; | |
44 | return p; | |
45 | } | |
46 | ||
47 | void | |
48 | FcValueDestroy (FcValue v) | |
49 | { | |
50 | switch (v.type) { | |
51 | case FcTypeString: | |
52 | if (!FcStrHashed (v.u.s)) | |
53 | FcStrFree ((FcChar8 *) v.u.s); | |
54 | break; | |
55 | case FcTypeMatrix: | |
56 | FcMatrixFree ((FcMatrix *) v.u.m); | |
57 | break; | |
58 | case FcTypeCharSet: | |
59 | FcCharSetDestroy ((FcCharSet *) v.u.c); | |
60 | break; | |
61 | case FcTypeLangSet: | |
62 | FcLangSetDestroy ((FcLangSet *) v.u.l); | |
63 | break; | |
64 | default: | |
65 | break; | |
66 | } | |
67 | } | |
68 | ||
69 | FcValue | |
70 | FcValueCanonicalize (const FcValue *v) | |
71 | { | |
72 | FcValue new; | |
73 | ||
74 | switch (v->type) | |
75 | { | |
76 | case FcTypeString: | |
77 | new.u.s = fc_value_string(v); | |
78 | new.type = FcTypeString; | |
79 | break; | |
80 | case FcTypeCharSet: | |
81 | new.u.c = fc_value_charset(v); | |
82 | new.type = FcTypeCharSet; | |
83 | break; | |
84 | case FcTypeLangSet: | |
85 | new.u.l = fc_value_langset(v); | |
86 | new.type = FcTypeLangSet; | |
87 | break; | |
88 | default: | |
89 | new = *v; | |
90 | break; | |
91 | } | |
92 | return new; | |
93 | } | |
94 | ||
95 | FcValue | |
96 | FcValueSave (FcValue v) | |
97 | { | |
98 | switch (v.type) { | |
99 | case FcTypeString: | |
100 | v.u.s = FcStrCopy (v.u.s); | |
101 | if (!v.u.s) | |
102 | v.type = FcTypeVoid; | |
103 | break; | |
104 | case FcTypeMatrix: | |
105 | v.u.m = FcMatrixCopy (v.u.m); | |
106 | if (!v.u.m) | |
107 | v.type = FcTypeVoid; | |
108 | break; | |
109 | case FcTypeCharSet: | |
110 | v.u.c = FcCharSetCopy ((FcCharSet *) v.u.c); | |
111 | if (!v.u.c) | |
112 | v.type = FcTypeVoid; | |
113 | break; | |
114 | case FcTypeLangSet: | |
115 | v.u.l = FcLangSetCopy (v.u.l); | |
116 | if (!v.u.l) | |
117 | v.type = FcTypeVoid; | |
118 | break; | |
119 | default: | |
120 | break; | |
121 | } | |
122 | return v; | |
123 | } | |
124 | ||
125 | void | |
126 | FcValueListDestroy (FcValueListPtr l) | |
127 | { | |
128 | FcValueListPtr next; | |
129 | for (; l; l = next) | |
130 | { | |
131 | switch (l->value.type) { | |
132 | case FcTypeString: | |
133 | if (!FcStrHashed ((FcChar8 *)l->value.u.s)) | |
134 | FcStrFree ((FcChar8 *)l->value.u.s); | |
135 | break; | |
136 | case FcTypeMatrix: | |
137 | FcMatrixFree ((FcMatrix *)l->value.u.m); | |
138 | break; | |
139 | case FcTypeCharSet: | |
140 | FcCharSetDestroy | |
141 | ((FcCharSet *) (l->value.u.c)); | |
142 | break; | |
143 | case FcTypeLangSet: | |
144 | FcLangSetDestroy | |
145 | ((FcLangSet *) (l->value.u.l)); | |
146 | break; | |
147 | default: | |
148 | break; | |
149 | } | |
150 | next = FcValueListNext(l); | |
151 | FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList)); | |
152 | free(l); | |
153 | } | |
154 | } | |
155 | ||
156 | FcBool | |
157 | FcValueEqual (FcValue va, FcValue vb) | |
158 | { | |
159 | if (va.type != vb.type) | |
160 | { | |
161 | if (va.type == FcTypeInteger) | |
162 | { | |
163 | va.type = FcTypeDouble; | |
164 | va.u.d = va.u.i; | |
165 | } | |
166 | if (vb.type == FcTypeInteger) | |
167 | { | |
168 | vb.type = FcTypeDouble; | |
169 | vb.u.d = vb.u.i; | |
170 | } | |
171 | if (va.type != vb.type) | |
172 | return FcFalse; | |
173 | } | |
174 | switch (va.type) { | |
175 | case FcTypeVoid: | |
176 | return FcTrue; | |
177 | case FcTypeInteger: | |
178 | return va.u.i == vb.u.i; | |
179 | case FcTypeDouble: | |
180 | return va.u.d == vb.u.d; | |
181 | case FcTypeString: | |
182 | return FcStrCmpIgnoreCase (va.u.s, vb.u.s) == 0; | |
183 | case FcTypeBool: | |
184 | return va.u.b == vb.u.b; | |
185 | case FcTypeMatrix: | |
186 | return FcMatrixEqual (va.u.m, vb.u.m); | |
187 | case FcTypeCharSet: | |
188 | return FcCharSetEqual (va.u.c, vb.u.c); | |
189 | case FcTypeFTFace: | |
190 | return va.u.f == vb.u.f; | |
191 | case FcTypeLangSet: | |
192 | return FcLangSetEqual (va.u.l, vb.u.l); | |
193 | } | |
194 | return FcFalse; | |
195 | } | |
196 | ||
197 | static FcChar32 | |
198 | FcDoubleHash (double d) | |
199 | { | |
200 | if (d < 0) | |
201 | d = -d; | |
202 | if (d > 0xffffffff) | |
203 | d = 0xffffffff; | |
204 | return (FcChar32) d; | |
205 | } | |
206 | ||
207 | FcChar32 | |
208 | FcStringHash (const FcChar8 *s) | |
209 | { | |
210 | FcChar8 c; | |
211 | FcChar32 h = 0; | |
212 | ||
213 | if (s) | |
214 | while ((c = *s++)) | |
215 | h = ((h << 1) | (h >> 31)) ^ c; | |
216 | return h; | |
217 | } | |
218 | ||
219 | static FcChar32 | |
220 | FcValueHash (const FcValue *v) | |
221 | { | |
222 | switch (fc_storage_type(v)) { | |
223 | case FcTypeVoid: | |
224 | return 0; | |
225 | case FcTypeInteger: | |
226 | return (FcChar32) v->u.i; | |
227 | case FcTypeDouble: | |
228 | return FcDoubleHash (v->u.d); | |
229 | case FcTypeString: | |
230 | return FcStringHash (fc_value_string(v)); | |
231 | case FcTypeBool: | |
232 | return (FcChar32) v->u.b; | |
233 | case FcTypeMatrix: | |
234 | return (FcDoubleHash (v->u.m->xx) ^ | |
235 | FcDoubleHash (v->u.m->xy) ^ | |
236 | FcDoubleHash (v->u.m->yx) ^ | |
237 | FcDoubleHash (v->u.m->yy)); | |
238 | case FcTypeCharSet: | |
239 | return (FcChar32) fc_value_charset(v)->num; | |
240 | case FcTypeFTFace: | |
241 | return FcStringHash ((const FcChar8 *) ((FT_Face) v->u.f)->family_name) ^ | |
242 | FcStringHash ((const FcChar8 *) ((FT_Face) v->u.f)->style_name); | |
243 | case FcTypeLangSet: | |
244 | return FcLangSetHash (fc_value_langset(v)); | |
245 | } | |
246 | return FcFalse; | |
247 | } | |
248 | ||
249 | static FcBool | |
250 | FcValueListEqual (FcValueListPtr la, FcValueListPtr lb) | |
251 | { | |
252 | if (la == lb) | |
253 | return FcTrue; | |
254 | ||
255 | while (la && lb) | |
256 | { | |
257 | if (!FcValueEqual (la->value, lb->value)) | |
258 | return FcFalse; | |
259 | la = FcValueListNext(la); | |
260 | lb = FcValueListNext(lb); | |
261 | } | |
262 | if (la || lb) | |
263 | return FcFalse; | |
264 | return FcTrue; | |
265 | } | |
266 | ||
267 | static FcChar32 | |
268 | FcValueListHash (FcValueListPtr l) | |
269 | { | |
270 | FcChar32 hash = 0; | |
271 | ||
272 | for (; l; l = FcValueListNext(l)) | |
273 | { | |
274 | hash = ((hash << 1) | (hash >> 31)) ^ FcValueHash (&l->value); | |
275 | } | |
276 | return hash; | |
277 | } | |
278 | ||
279 | void | |
280 | FcPatternDestroy (FcPattern *p) | |
281 | { | |
282 | int i; | |
283 | FcPatternElt *elts; | |
284 | ||
285 | if (p->ref == FC_REF_CONSTANT) | |
286 | { | |
287 | FcCacheObjectDereference (p); | |
288 | return; | |
289 | } | |
290 | ||
291 | if (--p->ref > 0) | |
292 | return; | |
293 | ||
294 | elts = FcPatternElts (p); | |
295 | for (i = 0; i < p->num; i++) | |
296 | FcValueListDestroy (FcPatternEltValues(&elts[i])); | |
297 | ||
298 | FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt)); | |
299 | free (elts); | |
300 | FcMemFree (FC_MEM_PATTERN, sizeof (FcPattern)); | |
301 | free (p); | |
302 | } | |
303 | ||
304 | static int | |
305 | FcPatternObjectPosition (const FcPattern *p, FcObject object) | |
306 | { | |
307 | int low, high, mid, c; | |
308 | FcPatternElt *elts = FcPatternElts(p); | |
309 | ||
310 | low = 0; | |
311 | high = p->num - 1; | |
312 | c = 1; | |
313 | mid = 0; | |
314 | while (low <= high) | |
315 | { | |
316 | mid = (low + high) >> 1; | |
317 | c = elts[mid].object - object; | |
318 | if (c == 0) | |
319 | return mid; | |
320 | if (c < 0) | |
321 | low = mid + 1; | |
322 | else | |
323 | high = mid - 1; | |
324 | } | |
325 | if (c < 0) | |
326 | mid++; | |
327 | return -(mid + 1); | |
328 | } | |
329 | ||
330 | FcPatternElt * | |
331 | FcPatternObjectFindElt (const FcPattern *p, FcObject object) | |
332 | { | |
333 | int i = FcPatternObjectPosition (p, object); | |
334 | if (i < 0) | |
335 | return 0; | |
336 | return &FcPatternElts(p)[i]; | |
337 | } | |
338 | ||
339 | FcPatternElt * | |
340 | FcPatternObjectInsertElt (FcPattern *p, FcObject object) | |
341 | { | |
342 | int i; | |
343 | FcPatternElt *e; | |
344 | ||
345 | i = FcPatternObjectPosition (p, object); | |
346 | if (i < 0) | |
347 | { | |
348 | i = -i - 1; | |
349 | ||
350 | /* reallocate array */ | |
351 | if (p->num + 1 >= p->size) | |
352 | { | |
353 | int s = p->size + 16; | |
354 | if (p->size) | |
355 | { | |
356 | FcPatternElt *e0 = FcPatternElts(p); | |
357 | e = (FcPatternElt *) realloc (e0, s * sizeof (FcPatternElt)); | |
358 | if (!e) /* maybe it was mmapped */ | |
359 | { | |
360 | e = malloc(s * sizeof (FcPatternElt)); | |
361 | if (e) | |
362 | memcpy(e, e0, p->num * sizeof (FcPatternElt)); | |
363 | } | |
364 | } | |
365 | else | |
366 | e = (FcPatternElt *) malloc (s * sizeof (FcPatternElt)); | |
367 | if (!e) | |
368 | return FcFalse; | |
369 | p->elts_offset = FcPtrToOffset (p, e); | |
370 | if (p->size) | |
371 | FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt)); | |
372 | FcMemAlloc (FC_MEM_PATELT, s * sizeof (FcPatternElt)); | |
373 | while (p->size < s) | |
374 | { | |
375 | e[p->size].object = 0; | |
376 | e[p->size].values = NULL; | |
377 | p->size++; | |
378 | } | |
379 | } | |
380 | ||
381 | e = FcPatternElts(p); | |
382 | /* move elts up */ | |
383 | memmove (e + i + 1, | |
384 | e + i, | |
385 | sizeof (FcPatternElt) * | |
386 | (p->num - i)); | |
387 | ||
388 | /* bump count */ | |
389 | p->num++; | |
390 | ||
391 | e[i].object = object; | |
392 | e[i].values = NULL; | |
393 | } | |
394 | ||
395 | return FcPatternElts(p) + i; | |
396 | } | |
397 | ||
398 | FcBool | |
399 | FcPatternEqual (const FcPattern *pa, const FcPattern *pb) | |
400 | { | |
401 | int i; | |
402 | FcPatternElt *pae, *pbe; | |
403 | ||
404 | if (pa == pb) | |
405 | return FcTrue; | |
406 | ||
407 | if (pa->num != pb->num) | |
408 | return FcFalse; | |
409 | pae = FcPatternElts(pa); | |
410 | pbe = FcPatternElts(pb); | |
411 | for (i = 0; i < pa->num; i++) | |
412 | { | |
413 | if (pae[i].object != pbe[i].object) | |
414 | return FcFalse; | |
415 | if (!FcValueListEqual (FcPatternEltValues(&pae[i]), | |
416 | FcPatternEltValues(&pbe[i]))) | |
417 | return FcFalse; | |
418 | } | |
419 | return FcTrue; | |
420 | } | |
421 | ||
422 | FcChar32 | |
423 | FcPatternHash (const FcPattern *p) | |
424 | { | |
425 | int i; | |
426 | FcChar32 h = 0; | |
427 | FcPatternElt *pe = FcPatternElts(p); | |
428 | ||
429 | for (i = 0; i < p->num; i++) | |
430 | { | |
431 | h = (((h << 1) | (h >> 31)) ^ | |
432 | pe[i].object ^ | |
433 | FcValueListHash (FcPatternEltValues(&pe[i]))); | |
434 | } | |
435 | return h; | |
436 | } | |
437 | ||
438 | FcBool | |
439 | FcPatternEqualSubset (const FcPattern *pai, const FcPattern *pbi, const FcObjectSet *os) | |
440 | { | |
441 | FcPatternElt *ea, *eb; | |
442 | int i; | |
443 | ||
444 | for (i = 0; i < os->nobject; i++) | |
445 | { | |
446 | FcObject object = FcObjectFromName (os->objects[i]); | |
447 | ea = FcPatternObjectFindElt (pai, object); | |
448 | eb = FcPatternObjectFindElt (pbi, object); | |
449 | if (ea) | |
450 | { | |
451 | if (!eb) | |
452 | return FcFalse; | |
453 | if (!FcValueListEqual (FcPatternEltValues(ea), FcPatternEltValues(eb))) | |
454 | return FcFalse; | |
455 | } | |
456 | else | |
457 | { | |
458 | if (eb) | |
459 | return FcFalse; | |
460 | } | |
461 | } | |
462 | return FcTrue; | |
463 | } | |
464 | ||
465 | FcBool | |
466 | FcPatternObjectAddWithBinding (FcPattern *p, | |
467 | FcObject object, | |
468 | FcValue value, | |
469 | FcValueBinding binding, | |
470 | FcBool append) | |
471 | { | |
472 | FcPatternElt *e; | |
473 | FcValueListPtr new, *prev; | |
474 | ||
475 | if (p->ref == FC_REF_CONSTANT) | |
476 | goto bail0; | |
477 | ||
478 | new = malloc (sizeof (FcValueList)); | |
479 | if (!new) | |
480 | goto bail0; | |
481 | ||
482 | memset(new, 0, sizeof (FcValueList)); | |
483 | FcMemAlloc (FC_MEM_VALLIST, sizeof (FcValueList)); | |
484 | /* dup string */ | |
485 | if (value.type == FcTypeString) | |
486 | { | |
487 | value.u.s = FcStrStaticName (value.u.s); | |
488 | if (!value.u.s) | |
489 | value.type = FcTypeVoid; | |
490 | } | |
491 | else | |
492 | value = FcValueSave (value); | |
493 | if (value.type == FcTypeVoid) | |
494 | goto bail1; | |
495 | ||
496 | /* | |
497 | * Make sure the stored type is valid for built-in objects | |
498 | */ | |
499 | if (!FcObjectValidType (object, value.type)) | |
500 | { | |
501 | if (FcDebug() & FC_DBG_OBJTYPES) | |
502 | { | |
503 | printf ("FcPattern object %s does not accept value ", | |
504 | FcObjectName (object)); | |
505 | FcValuePrint (value); | |
506 | } | |
507 | goto bail1; | |
508 | } | |
509 | ||
510 | new->value = value; | |
511 | new->binding = binding; | |
512 | new->next = NULL; | |
513 | ||
514 | e = FcPatternObjectInsertElt (p, object); | |
515 | if (!e) | |
516 | goto bail2; | |
517 | ||
518 | if (append) | |
519 | { | |
520 | for (prev = &e->values; *prev; prev = &(*prev)->next) | |
521 | ; | |
522 | *prev = new; | |
523 | } | |
524 | else | |
525 | { | |
526 | new->next = e->values; | |
527 | e->values = new; | |
528 | } | |
529 | ||
530 | return FcTrue; | |
531 | ||
532 | bail2: | |
533 | FcValueDestroy (value); | |
534 | bail1: | |
535 | FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList)); | |
536 | free (new); | |
537 | bail0: | |
538 | return FcFalse; | |
539 | } | |
540 | ||
541 | FcBool | |
542 | FcPatternObjectAdd (FcPattern *p, FcObject object, FcValue value, FcBool append) | |
543 | { | |
544 | return FcPatternObjectAddWithBinding (p, object, | |
545 | value, FcValueBindingStrong, append); | |
546 | } | |
547 | ||
548 | FcBool | |
549 | FcPatternAdd (FcPattern *p, const char *object, FcValue value, FcBool append) | |
550 | { | |
551 | return FcPatternObjectAddWithBinding (p, FcObjectFromName (object), | |
552 | value, FcValueBindingStrong, append); | |
553 | } | |
554 | ||
555 | FcBool | |
556 | FcPatternAddWeak (FcPattern *p, const char *object, FcValue value, FcBool append) | |
557 | { | |
558 | return FcPatternObjectAddWithBinding (p, FcObjectFromName (object), | |
559 | value, FcValueBindingWeak, append); | |
560 | } | |
561 | ||
562 | FcBool | |
563 | FcPatternObjectDel (FcPattern *p, FcObject object) | |
564 | { | |
565 | FcPatternElt *e; | |
566 | ||
567 | e = FcPatternObjectFindElt (p, object); | |
568 | if (!e) | |
569 | return FcFalse; | |
570 | ||
571 | /* destroy value */ | |
572 | FcValueListDestroy (e->values); | |
573 | ||
574 | /* shuffle existing ones down */ | |
575 | memmove (e, e+1, | |
576 | (FcPatternElts(p) + p->num - (e + 1)) * | |
577 | sizeof (FcPatternElt)); | |
578 | p->num--; | |
579 | e = FcPatternElts(p) + p->num; | |
580 | e->object = 0; | |
581 | e->values = NULL; | |
582 | return FcTrue; | |
583 | } | |
584 | ||
585 | FcBool | |
586 | FcPatternDel (FcPattern *p, const char *object) | |
587 | { | |
588 | return FcPatternObjectDel (p, FcObjectFromName (object)); | |
589 | } | |
590 | ||
591 | FcBool | |
592 | FcPatternRemove (FcPattern *p, const char *object, int id) | |
593 | { | |
594 | FcPatternElt *e; | |
595 | FcValueListPtr *prev, l; | |
596 | ||
597 | e = FcPatternObjectFindElt (p, FcObjectFromName (object)); | |
598 | if (!e) | |
599 | return FcFalse; | |
600 | for (prev = &e->values; (l = *prev); prev = &l->next) | |
601 | { | |
602 | if (!id) | |
603 | { | |
604 | *prev = l->next; | |
605 | l->next = NULL; | |
606 | FcValueListDestroy (l); | |
607 | if (!e->values) | |
608 | FcPatternDel (p, object); | |
609 | return FcTrue; | |
610 | } | |
611 | id--; | |
612 | } | |
613 | return FcFalse; | |
614 | } | |
615 | ||
616 | FcBool | |
617 | FcPatternObjectAddInteger (FcPattern *p, FcObject object, int i) | |
618 | { | |
619 | FcValue v; | |
620 | ||
621 | v.type = FcTypeInteger; | |
622 | v.u.i = i; | |
623 | return FcPatternObjectAdd (p, object, v, FcTrue); | |
624 | } | |
625 | ||
626 | FcBool | |
627 | FcPatternAddInteger (FcPattern *p, const char *object, int i) | |
628 | { | |
629 | return FcPatternObjectAddInteger (p, FcObjectFromName (object), i); | |
630 | } | |
631 | ||
632 | FcBool | |
633 | FcPatternObjectAddDouble (FcPattern *p, FcObject object, double d) | |
634 | { | |
635 | FcValue v; | |
636 | ||
637 | v.type = FcTypeDouble; | |
638 | v.u.d = d; | |
639 | return FcPatternObjectAdd (p, object, v, FcTrue); | |
640 | } | |
641 | ||
642 | ||
643 | FcBool | |
644 | FcPatternAddDouble (FcPattern *p, const char *object, double d) | |
645 | { | |
646 | return FcPatternObjectAddDouble (p, FcObjectFromName (object), d); | |
647 | } | |
648 | ||
649 | FcBool | |
650 | FcPatternObjectAddString (FcPattern *p, FcObject object, const FcChar8 *s) | |
651 | { | |
652 | FcValue v; | |
653 | ||
654 | if (!s) | |
655 | { | |
656 | v.type = FcTypeVoid; | |
657 | v.u.s = 0; | |
658 | return FcPatternObjectAdd (p, object, v, FcTrue); | |
659 | } | |
660 | ||
661 | v.type = FcTypeString; | |
662 | v.u.s = FcStrStaticName(s); | |
663 | return FcPatternObjectAdd (p, object, v, FcTrue); | |
664 | } | |
665 | ||
666 | FcBool | |
667 | FcPatternAddString (FcPattern *p, const char *object, const FcChar8 *s) | |
668 | { | |
669 | return FcPatternObjectAddString (p, FcObjectFromName (object), s); | |
670 | } | |
671 | ||
672 | FcBool | |
673 | FcPatternAddMatrix (FcPattern *p, const char *object, const FcMatrix *s) | |
674 | { | |
675 | FcValue v; | |
676 | ||
677 | v.type = FcTypeMatrix; | |
678 | v.u.m = s; | |
679 | return FcPatternAdd (p, object, v, FcTrue); | |
680 | } | |
681 | ||
682 | ||
683 | FcBool | |
684 | FcPatternObjectAddBool (FcPattern *p, FcObject object, FcBool b) | |
685 | { | |
686 | FcValue v; | |
687 | ||
688 | v.type = FcTypeBool; | |
689 | v.u.b = b; | |
690 | return FcPatternObjectAdd (p, object, v, FcTrue); | |
691 | } | |
692 | ||
693 | FcBool | |
694 | FcPatternAddBool (FcPattern *p, const char *object, FcBool b) | |
695 | { | |
696 | return FcPatternObjectAddBool (p, FcObjectFromName (object), b); | |
697 | } | |
698 | ||
699 | FcBool | |
700 | FcPatternAddCharSet (FcPattern *p, const char *object, const FcCharSet *c) | |
701 | { | |
702 | FcValue v; | |
703 | ||
704 | v.type = FcTypeCharSet; | |
705 | v.u.c = (FcCharSet *)c; | |
706 | return FcPatternAdd (p, object, v, FcTrue); | |
707 | } | |
708 | ||
709 | FcBool | |
710 | FcPatternAddFTFace (FcPattern *p, const char *object, const FT_Face f) | |
711 | { | |
712 | FcValue v; | |
713 | ||
714 | v.type = FcTypeFTFace; | |
715 | v.u.f = (void *) f; | |
716 | return FcPatternAdd (p, object, v, FcTrue); | |
717 | } | |
718 | ||
719 | FcBool | |
720 | FcPatternAddLangSet (FcPattern *p, const char *object, const FcLangSet *ls) | |
721 | { | |
722 | FcValue v; | |
723 | ||
724 | v.type = FcTypeLangSet; | |
725 | v.u.l = (FcLangSet *)ls; | |
726 | return FcPatternAdd (p, object, v, FcTrue); | |
727 | } | |
728 | ||
729 | FcResult | |
730 | FcPatternObjectGet (const FcPattern *p, FcObject object, int id, FcValue *v) | |
731 | { | |
732 | FcPatternElt *e; | |
733 | FcValueListPtr l; | |
734 | ||
735 | e = FcPatternObjectFindElt (p, object); | |
736 | if (!e) | |
737 | return FcResultNoMatch; | |
738 | for (l = FcPatternEltValues(e); l; l = FcValueListNext(l)) | |
739 | { | |
740 | if (!id) | |
741 | { | |
742 | *v = FcValueCanonicalize(&l->value); | |
743 | return FcResultMatch; | |
744 | } | |
745 | id--; | |
746 | } | |
747 | return FcResultNoId; | |
748 | } | |
749 | ||
750 | FcResult | |
751 | FcPatternGet (const FcPattern *p, const char *object, int id, FcValue *v) | |
752 | { | |
753 | return FcPatternObjectGet (p, FcObjectFromName (object), id, v); | |
754 | } | |
755 | ||
756 | FcResult | |
757 | FcPatternObjectGetInteger (const FcPattern *p, FcObject object, int id, int *i) | |
758 | { | |
759 | FcValue v; | |
760 | FcResult r; | |
761 | ||
762 | r = FcPatternObjectGet (p, object, id, &v); | |
763 | if (r != FcResultMatch) | |
764 | return r; | |
765 | switch (v.type) { | |
766 | case FcTypeDouble: | |
767 | *i = (int) v.u.d; | |
768 | break; | |
769 | case FcTypeInteger: | |
770 | *i = v.u.i; | |
771 | break; | |
772 | default: | |
773 | return FcResultTypeMismatch; | |
774 | } | |
775 | return FcResultMatch; | |
776 | } | |
777 | ||
778 | FcResult | |
779 | FcPatternGetInteger (const FcPattern *p, const char *object, int id, int *i) | |
780 | { | |
781 | return FcPatternObjectGetInteger (p, FcObjectFromName (object), id, i); | |
782 | } | |
783 | ||
784 | ||
785 | FcResult | |
786 | FcPatternObjectGetDouble (const FcPattern *p, FcObject object, int id, double *d) | |
787 | { | |
788 | FcValue v; | |
789 | FcResult r; | |
790 | ||
791 | r = FcPatternObjectGet (p, object, id, &v); | |
792 | if (r != FcResultMatch) | |
793 | return r; | |
794 | switch (v.type) { | |
795 | case FcTypeDouble: | |
796 | *d = v.u.d; | |
797 | break; | |
798 | case FcTypeInteger: | |
799 | *d = (double) v.u.i; | |
800 | break; | |
801 | default: | |
802 | return FcResultTypeMismatch; | |
803 | } | |
804 | return FcResultMatch; | |
805 | } | |
806 | ||
807 | FcResult | |
808 | FcPatternGetDouble (const FcPattern *p, const char *object, int id, double *d) | |
809 | { | |
810 | return FcPatternObjectGetDouble (p, FcObjectFromName (object), id, d); | |
811 | } | |
812 | ||
813 | FcResult | |
814 | FcPatternObjectGetString (const FcPattern *p, FcObject object, int id, FcChar8 ** s) | |
815 | { | |
816 | FcValue v; | |
817 | FcResult r; | |
818 | ||
819 | r = FcPatternObjectGet (p, object, id, &v); | |
820 | if (r != FcResultMatch) | |
821 | return r; | |
822 | if (v.type != FcTypeString) | |
823 | return FcResultTypeMismatch; | |
824 | ||
825 | *s = (FcChar8 *) v.u.s; | |
826 | return FcResultMatch; | |
827 | } | |
828 | ||
829 | FcResult | |
830 | FcPatternGetString (const FcPattern *p, const char *object, int id, FcChar8 ** s) | |
831 | { | |
832 | return FcPatternObjectGetString (p, FcObjectFromName (object), id, s); | |
833 | } | |
834 | ||
835 | FcResult | |
836 | FcPatternGetMatrix(const FcPattern *p, const char *object, int id, FcMatrix **m) | |
837 | { | |
838 | FcValue v; | |
839 | FcResult r; | |
840 | ||
841 | r = FcPatternGet (p, object, id, &v); | |
842 | if (r != FcResultMatch) | |
843 | return r; | |
844 | if (v.type != FcTypeMatrix) | |
845 | return FcResultTypeMismatch; | |
846 | *m = (FcMatrix *)v.u.m; | |
847 | return FcResultMatch; | |
848 | } | |
849 | ||
850 | ||
851 | FcResult | |
852 | FcPatternGetBool(const FcPattern *p, const char *object, int id, FcBool *b) | |
853 | { | |
854 | FcValue v; | |
855 | FcResult r; | |
856 | ||
857 | r = FcPatternGet (p, object, id, &v); | |
858 | if (r != FcResultMatch) | |
859 | return r; | |
860 | if (v.type != FcTypeBool) | |
861 | return FcResultTypeMismatch; | |
862 | *b = v.u.b; | |
863 | return FcResultMatch; | |
864 | } | |
865 | ||
866 | FcResult | |
867 | FcPatternGetCharSet(const FcPattern *p, const char *object, int id, FcCharSet **c) | |
868 | { | |
869 | FcValue v; | |
870 | FcResult r; | |
871 | ||
872 | r = FcPatternGet (p, object, id, &v); | |
873 | if (r != FcResultMatch) | |
874 | return r; | |
875 | if (v.type != FcTypeCharSet) | |
876 | return FcResultTypeMismatch; | |
877 | *c = (FcCharSet *)v.u.c; | |
878 | return FcResultMatch; | |
879 | } | |
880 | ||
881 | FcResult | |
882 | FcPatternGetFTFace(const FcPattern *p, const char *object, int id, FT_Face *f) | |
883 | { | |
884 | FcValue v; | |
885 | FcResult r; | |
886 | ||
887 | r = FcPatternGet (p, object, id, &v); | |
888 | if (r != FcResultMatch) | |
889 | return r; | |
890 | if (v.type != FcTypeFTFace) | |
891 | return FcResultTypeMismatch; | |
892 | *f = (FT_Face) v.u.f; | |
893 | return FcResultMatch; | |
894 | } | |
895 | ||
896 | FcResult | |
897 | FcPatternGetLangSet(const FcPattern *p, const char *object, int id, FcLangSet **ls) | |
898 | { | |
899 | FcValue v; | |
900 | FcResult r; | |
901 | ||
902 | r = FcPatternGet (p, object, id, &v); | |
903 | if (r != FcResultMatch) | |
904 | return r; | |
905 | if (v.type != FcTypeLangSet) | |
906 | return FcResultTypeMismatch; | |
907 | *ls = (FcLangSet *)v.u.l; | |
908 | return FcResultMatch; | |
909 | } | |
910 | ||
911 | FcPattern * | |
912 | FcPatternDuplicate (const FcPattern *orig) | |
913 | { | |
914 | FcPattern *new; | |
915 | FcPatternElt *e; | |
916 | int i; | |
917 | FcValueListPtr l; | |
918 | ||
919 | new = FcPatternCreate (); | |
920 | if (!new) | |
921 | goto bail0; | |
922 | ||
923 | e = FcPatternElts(orig); | |
924 | ||
925 | for (i = 0; i < orig->num; i++) | |
926 | { | |
927 | for (l = FcPatternEltValues(e + i); l; l = FcValueListNext(l)) | |
928 | if (!FcPatternObjectAdd (new, e[i].object, | |
929 | FcValueCanonicalize(&l->value), | |
930 | FcTrue)) | |
931 | goto bail1; | |
932 | } | |
933 | ||
934 | return new; | |
935 | ||
936 | bail1: | |
937 | FcPatternDestroy (new); | |
938 | bail0: | |
939 | return 0; | |
940 | } | |
941 | ||
942 | void | |
943 | FcPatternReference (FcPattern *p) | |
944 | { | |
945 | if (p->ref != FC_REF_CONSTANT) | |
946 | p->ref++; | |
947 | else | |
948 | FcCacheObjectReference (p); | |
949 | } | |
950 | ||
951 | FcPattern * | |
952 | FcPatternVaBuild (FcPattern *orig, va_list va) | |
953 | { | |
954 | FcPattern *ret; | |
955 | ||
956 | FcPatternVapBuild (ret, orig, va); | |
957 | return ret; | |
958 | } | |
959 | ||
960 | FcPattern * | |
961 | FcPatternBuild (FcPattern *orig, ...) | |
962 | { | |
963 | va_list va; | |
964 | ||
965 | va_start (va, orig); | |
966 | FcPatternVapBuild (orig, orig, va); | |
967 | va_end (va); | |
968 | return orig; | |
969 | } | |
970 | ||
971 | /* | |
972 | * Add all of the elements in 's' to 'p' | |
973 | */ | |
974 | FcBool | |
975 | FcPatternAppend (FcPattern *p, FcPattern *s) | |
976 | { | |
977 | int i; | |
978 | FcPatternElt *e; | |
979 | FcValueListPtr v; | |
980 | ||
981 | for (i = 0; i < s->num; i++) | |
982 | { | |
983 | e = FcPatternElts(s)+i; | |
984 | for (v = FcPatternEltValues(e); v; v = FcValueListNext(v)) | |
985 | { | |
986 | if (!FcPatternObjectAddWithBinding (p, e->object, | |
987 | FcValueCanonicalize(&v->value), | |
988 | v->binding, FcTrue)) | |
989 | return FcFalse; | |
990 | } | |
991 | } | |
992 | return FcTrue; | |
993 | } | |
994 | ||
995 | #define OBJECT_HASH_SIZE 31 | |
996 | static struct objectBucket { | |
997 | struct objectBucket *next; | |
998 | FcChar32 hash; | |
999 | } *FcObjectBuckets[OBJECT_HASH_SIZE]; | |
1000 | ||
1001 | static FcBool | |
1002 | FcStrHashed (const FcChar8 *name) | |
1003 | { | |
1004 | FcChar32 hash = FcStringHash (name); | |
1005 | struct objectBucket **p; | |
1006 | struct objectBucket *b; | |
1007 | ||
1008 | for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
1009 | if (b->hash == hash && !strcmp ((char *)name, (char *) (b + 1))) | |
1010 | return FcTrue; | |
1011 | return FcFalse; | |
1012 | } | |
1013 | ||
1014 | const FcChar8 * | |
1015 | FcStrStaticName (const FcChar8 *name) | |
1016 | { | |
1017 | FcChar32 hash = FcStringHash (name); | |
1018 | struct objectBucket **p; | |
1019 | struct objectBucket *b; | |
1020 | int size; | |
1021 | ||
1022 | for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
1023 | if (b->hash == hash && !strcmp ((char *)name, (char *) (b + 1))) | |
1024 | return (FcChar8 *) (b + 1); | |
1025 | size = sizeof (struct objectBucket) + strlen ((char *)name) + 1; | |
1026 | b = malloc (size + sizeof (int)); | |
1027 | /* workaround glibc bug which reads strlen in groups of 4 */ | |
1028 | FcMemAlloc (FC_MEM_STATICSTR, size + sizeof (int)); | |
1029 | if (!b) | |
1030 | return NULL; | |
1031 | b->next = 0; | |
1032 | b->hash = hash; | |
1033 | strcpy ((char *) (b + 1), (char *)name); | |
1034 | *p = b; | |
1035 | return (FcChar8 *) (b + 1); | |
1036 | } | |
1037 | ||
1038 | static void | |
1039 | FcStrStaticNameFini (void) | |
1040 | { | |
1041 | int i, size; | |
1042 | struct objectBucket *b, *next; | |
1043 | char *name; | |
1044 | ||
1045 | for (i = 0; i < OBJECT_HASH_SIZE; i++) | |
1046 | { | |
1047 | for (b = FcObjectBuckets[i]; b; b = next) | |
1048 | { | |
1049 | next = b->next; | |
1050 | name = (char *) (b + 1); | |
1051 | size = sizeof (struct objectBucket) + strlen (name) + 1; | |
1052 | FcMemFree (FC_MEM_STATICSTR, size); | |
1053 | free (b); | |
1054 | } | |
1055 | FcObjectBuckets[i] = 0; | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | void | |
1060 | FcPatternFini (void) | |
1061 | { | |
1062 | FcStrStaticNameFini (); | |
1063 | FcObjectFini (); | |
1064 | } | |
1065 | ||
1066 | FcBool | |
1067 | FcPatternSerializeAlloc (FcSerialize *serialize, const FcPattern *pat) | |
1068 | { | |
1069 | int i; | |
1070 | FcPatternElt *elts = FcPatternElts(pat); | |
1071 | ||
1072 | if (!FcSerializeAlloc (serialize, pat, sizeof (FcPattern))) | |
1073 | return FcFalse; | |
1074 | if (!FcSerializeAlloc (serialize, elts, pat->num * sizeof (FcPatternElt))) | |
1075 | return FcFalse; | |
1076 | for (i = 0; i < pat->num; i++) | |
1077 | if (!FcValueListSerializeAlloc (serialize, FcPatternEltValues(elts+i))) | |
1078 | return FcFalse; | |
1079 | return FcTrue; | |
1080 | } | |
1081 | ||
1082 | FcPattern * | |
1083 | FcPatternSerialize (FcSerialize *serialize, const FcPattern *pat) | |
1084 | { | |
1085 | FcPattern *pat_serialized; | |
1086 | FcPatternElt *elts = FcPatternElts (pat); | |
1087 | FcPatternElt *elts_serialized; | |
1088 | FcValueList *values_serialized; | |
1089 | int i; | |
1090 | ||
1091 | pat_serialized = FcSerializePtr (serialize, pat); | |
1092 | if (!pat_serialized) | |
1093 | return NULL; | |
1094 | *pat_serialized = *pat; | |
1095 | pat_serialized->size = pat->num; | |
1096 | pat_serialized->ref = FC_REF_CONSTANT; | |
1097 | ||
1098 | elts_serialized = FcSerializePtr (serialize, elts); | |
1099 | if (!elts_serialized) | |
1100 | return NULL; | |
1101 | ||
1102 | pat_serialized->elts_offset = FcPtrToOffset (pat_serialized, | |
1103 | elts_serialized); | |
1104 | ||
1105 | for (i = 0; i < pat->num; i++) | |
1106 | { | |
1107 | values_serialized = FcValueListSerialize (serialize, FcPatternEltValues (elts+i)); | |
1108 | if (!values_serialized) | |
1109 | return NULL; | |
1110 | elts_serialized[i].object = elts[i].object; | |
1111 | elts_serialized[i].values = FcPtrToEncodedOffset (&elts_serialized[i], | |
1112 | values_serialized, | |
1113 | FcValueList); | |
1114 | } | |
1115 | if (FcDebug() & FC_DBG_CACHEV) { | |
1116 | printf ("Raw pattern:\n"); | |
1117 | FcPatternPrint (pat); | |
1118 | printf ("Serialized pattern:\n"); | |
1119 | FcPatternPrint (pat_serialized); | |
1120 | printf ("\n"); | |
1121 | } | |
1122 | return pat_serialized; | |
1123 | } | |
1124 | ||
1125 | FcBool | |
1126 | FcValueListSerializeAlloc (FcSerialize *serialize, const FcValueList *vl) | |
1127 | { | |
1128 | while (vl) | |
1129 | { | |
1130 | if (!FcSerializeAlloc (serialize, vl, sizeof (FcValueList))) | |
1131 | return FcFalse; | |
1132 | switch (vl->value.type) { | |
1133 | case FcTypeString: | |
1134 | if (!FcStrSerializeAlloc (serialize, vl->value.u.s)) | |
1135 | return FcFalse; | |
1136 | break; | |
1137 | case FcTypeCharSet: | |
1138 | if (!FcCharSetSerializeAlloc (serialize, vl->value.u.c)) | |
1139 | return FcFalse; | |
1140 | break; | |
1141 | case FcTypeLangSet: | |
1142 | if (!FcLangSetSerializeAlloc (serialize, vl->value.u.l)) | |
1143 | return FcFalse; | |
1144 | break; | |
1145 | default: | |
1146 | break; | |
1147 | } | |
1148 | vl = vl->next; | |
1149 | } | |
1150 | return FcTrue; | |
1151 | } | |
1152 | ||
1153 | FcValueList * | |
1154 | FcValueListSerialize (FcSerialize *serialize, const FcValueList *vl) | |
1155 | { | |
1156 | FcValueList *vl_serialized; | |
1157 | FcChar8 *s_serialized; | |
1158 | FcCharSet *c_serialized; | |
1159 | FcLangSet *l_serialized; | |
1160 | FcValueList *head_serialized = NULL; | |
1161 | FcValueList *prev_serialized = NULL; | |
1162 | ||
1163 | while (vl) | |
1164 | { | |
1165 | vl_serialized = FcSerializePtr (serialize, vl); | |
1166 | if (!vl_serialized) | |
1167 | return NULL; | |
1168 | ||
1169 | if (prev_serialized) | |
1170 | prev_serialized->next = FcPtrToEncodedOffset (prev_serialized, | |
1171 | vl_serialized, | |
1172 | FcValueList); | |
1173 | else | |
1174 | head_serialized = vl_serialized; | |
1175 | ||
1176 | vl_serialized->next = NULL; | |
1177 | vl_serialized->value = vl->value; | |
1178 | switch (vl->value.type) { | |
1179 | case FcTypeString: | |
1180 | s_serialized = FcStrSerialize (serialize, vl->value.u.s); | |
1181 | if (!s_serialized) | |
1182 | return NULL; | |
1183 | vl_serialized->value.u.s = FcPtrToEncodedOffset (&vl_serialized->value, | |
1184 | s_serialized, | |
1185 | FcChar8); | |
1186 | break; | |
1187 | case FcTypeCharSet: | |
1188 | c_serialized = FcCharSetSerialize (serialize, vl->value.u.c); | |
1189 | if (!c_serialized) | |
1190 | return NULL; | |
1191 | vl_serialized->value.u.c = FcPtrToEncodedOffset (&vl_serialized->value, | |
1192 | c_serialized, | |
1193 | FcCharSet); | |
1194 | break; | |
1195 | case FcTypeLangSet: | |
1196 | l_serialized = FcLangSetSerialize (serialize, vl->value.u.l); | |
1197 | if (!l_serialized) | |
1198 | return NULL; | |
1199 | vl_serialized->value.u.l = FcPtrToEncodedOffset (&vl_serialized->value, | |
1200 | l_serialized, | |
1201 | FcLangSet); | |
1202 | break; | |
1203 | default: | |
1204 | break; | |
1205 | } | |
1206 | prev_serialized = vl_serialized; | |
1207 | vl = vl->next; | |
1208 | } | |
1209 | return head_serialized; | |
1210 | } |