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24330d27 | 1 | /* |
4bd4418a | 2 | * $RCSId: xc/lib/fontconfig/src/fcpat.c,v 1.18 2002/09/18 17:11:46 tsi Exp $ |
24330d27 | 3 | * |
46b51147 | 4 | * Copyright © 2000 Keith Packard |
24330d27 KP |
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 <stdlib.h> | |
26 | #include <string.h> | |
d8d73958 | 27 | #include <assert.h> |
24330d27 KP |
28 | #include "fcint.h" |
29 | ||
30 | FcPattern * | |
31 | FcPatternCreate (void) | |
32 | { | |
33 | FcPattern *p; | |
34 | ||
35 | p = (FcPattern *) malloc (sizeof (FcPattern)); | |
36 | if (!p) | |
37 | return 0; | |
38 | FcMemAlloc (FC_MEM_PATTERN, sizeof (FcPattern)); | |
39 | p->num = 0; | |
40 | p->size = 0; | |
41 | p->elts = 0; | |
6f6563ed | 42 | p->ref = 1; |
24330d27 KP |
43 | return p; |
44 | } | |
45 | ||
46 | void | |
47 | FcValueDestroy (FcValue v) | |
48 | { | |
49 | switch (v.type) { | |
50 | case FcTypeString: | |
51 | FcStrFree ((FcChar8 *) v.u.s); | |
52 | break; | |
53 | case FcTypeMatrix: | |
54 | FcMatrixFree ((FcMatrix *) v.u.m); | |
55 | break; | |
56 | case FcTypeCharSet: | |
57 | FcCharSetDestroy ((FcCharSet *) v.u.c); | |
58 | break; | |
d8d73958 KP |
59 | case FcTypeLangSet: |
60 | FcLangSetDestroy ((FcLangSet *) v.u.l); | |
61 | break; | |
24330d27 KP |
62 | default: |
63 | break; | |
64 | } | |
65 | } | |
66 | ||
67 | FcValue | |
68 | FcValueSave (FcValue v) | |
69 | { | |
70 | switch (v.type) { | |
71 | case FcTypeString: | |
72 | v.u.s = FcStrCopy (v.u.s); | |
73 | if (!v.u.s) | |
74 | v.type = FcTypeVoid; | |
75 | break; | |
76 | case FcTypeMatrix: | |
77 | v.u.m = FcMatrixCopy (v.u.m); | |
78 | if (!v.u.m) | |
79 | v.type = FcTypeVoid; | |
80 | break; | |
81 | case FcTypeCharSet: | |
82 | v.u.c = FcCharSetCopy ((FcCharSet *) v.u.c); | |
83 | if (!v.u.c) | |
84 | v.type = FcTypeVoid; | |
85 | break; | |
d8d73958 KP |
86 | case FcTypeLangSet: |
87 | v.u.l = FcLangSetCopy (v.u.l); | |
88 | if (!v.u.l) | |
89 | v.type = FcTypeVoid; | |
90 | break; | |
24330d27 KP |
91 | default: |
92 | break; | |
93 | } | |
94 | return v; | |
95 | } | |
96 | ||
97 | void | |
98 | FcValueListDestroy (FcValueList *l) | |
99 | { | |
100 | FcValueList *next; | |
101 | for (; l; l = next) | |
102 | { | |
103 | switch (l->value.type) { | |
104 | case FcTypeString: | |
105 | FcStrFree ((FcChar8 *) l->value.u.s); | |
106 | break; | |
107 | case FcTypeMatrix: | |
108 | FcMatrixFree ((FcMatrix *) l->value.u.m); | |
109 | break; | |
110 | case FcTypeCharSet: | |
111 | FcCharSetDestroy ((FcCharSet *) l->value.u.c); | |
112 | break; | |
d8d73958 KP |
113 | case FcTypeLangSet: |
114 | FcLangSetDestroy ((FcLangSet *) l->value.u.l); | |
115 | break; | |
24330d27 KP |
116 | default: |
117 | break; | |
118 | } | |
119 | next = l->next; | |
120 | FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList)); | |
121 | free (l); | |
122 | } | |
123 | } | |
124 | ||
0ab36ca8 KP |
125 | FcBool |
126 | FcValueEqual (FcValue va, FcValue vb) | |
127 | { | |
128 | if (va.type != vb.type) | |
129 | { | |
130 | if (va.type == FcTypeInteger) | |
131 | { | |
132 | va.type = FcTypeDouble; | |
133 | va.u.d = va.u.i; | |
134 | } | |
135 | if (vb.type == FcTypeInteger) | |
136 | { | |
137 | vb.type = FcTypeDouble; | |
138 | vb.u.d = vb.u.i; | |
139 | } | |
140 | if (va.type != vb.type) | |
141 | return FcFalse; | |
142 | } | |
143 | switch (va.type) { | |
144 | case FcTypeVoid: | |
145 | return FcTrue; | |
146 | case FcTypeInteger: | |
147 | return va.u.i == vb.u.i; | |
148 | case FcTypeDouble: | |
149 | return va.u.d == vb.u.d; | |
150 | case FcTypeString: | |
151 | return FcStrCmpIgnoreCase (va.u.s, vb.u.s) == 0; | |
152 | case FcTypeBool: | |
153 | return va.u.b == vb.u.b; | |
154 | case FcTypeMatrix: | |
155 | return FcMatrixEqual (va.u.m, vb.u.m); | |
156 | case FcTypeCharSet: | |
157 | return FcCharSetEqual (va.u.c, vb.u.c); | |
be094850 KP |
158 | case FcTypeFTFace: |
159 | return va.u.f == vb.u.f; | |
d8d73958 KP |
160 | case FcTypeLangSet: |
161 | return FcLangSetEqual (va.u.l, vb.u.l); | |
0ab36ca8 KP |
162 | } |
163 | return FcFalse; | |
164 | } | |
165 | ||
d0f07b8d KP |
166 | static FcChar32 |
167 | FcDoubleHash (double d) | |
168 | { | |
169 | if (d < 0) | |
170 | d = -d; | |
171 | if (d > 0xffffffff) | |
172 | d = 0xffffffff; | |
173 | return (FcChar32) d; | |
174 | } | |
175 | ||
176 | static FcChar32 | |
177 | FcStringHash (const FcChar8 *s) | |
178 | { | |
179 | FcChar8 c; | |
180 | FcChar32 h = 0; | |
181 | ||
182 | if (s) | |
183 | while ((c = *s++)) | |
184 | h = ((h << 1) | (h >> 31)) ^ c; | |
185 | return h; | |
186 | } | |
187 | ||
188 | static FcChar32 | |
189 | FcValueHash (FcValue v) | |
190 | { | |
191 | switch (v.type) { | |
192 | case FcTypeVoid: | |
193 | return 0; | |
194 | case FcTypeInteger: | |
195 | return (FcChar32) v.u.i; | |
196 | case FcTypeDouble: | |
197 | return FcDoubleHash (v.u.d); | |
198 | case FcTypeString: | |
199 | return FcStringHash (v.u.s); | |
200 | case FcTypeBool: | |
201 | return (FcChar32) v.u.b; | |
202 | case FcTypeMatrix: | |
203 | return (FcDoubleHash (v.u.m->xx) ^ | |
204 | FcDoubleHash (v.u.m->xy) ^ | |
205 | FcDoubleHash (v.u.m->yx) ^ | |
206 | FcDoubleHash (v.u.m->yy)); | |
207 | case FcTypeCharSet: | |
208 | return (FcChar32) v.u.c->num; | |
209 | case FcTypeFTFace: | |
210 | return FcStringHash ((const FcChar8 *) ((FT_Face) v.u.f)->family_name) ^ | |
211 | FcStringHash ((const FcChar8 *) ((FT_Face) v.u.f)->style_name); | |
d8d73958 KP |
212 | case FcTypeLangSet: |
213 | return FcLangSetHash (v.u.l); | |
d0f07b8d KP |
214 | } |
215 | return FcFalse; | |
216 | } | |
217 | ||
0ab36ca8 KP |
218 | static FcBool |
219 | FcValueListEqual (FcValueList *la, FcValueList *lb) | |
220 | { | |
d8d73958 KP |
221 | if (la == lb) |
222 | return FcTrue; | |
223 | ||
0ab36ca8 KP |
224 | while (la && lb) |
225 | { | |
226 | if (!FcValueEqual (la->value, lb->value)) | |
227 | return FcFalse; | |
228 | la = la->next; | |
229 | lb = lb->next; | |
230 | } | |
231 | if (la || lb) | |
232 | return FcFalse; | |
233 | return FcTrue; | |
234 | } | |
235 | ||
d0f07b8d KP |
236 | static FcChar32 |
237 | FcValueListHash (FcValueList *l) | |
238 | { | |
239 | FcChar32 hash = 0; | |
240 | ||
241 | while (l) | |
242 | { | |
243 | hash = ((hash << 1) | (hash >> 31)) ^ FcValueHash (l->value); | |
244 | l = l->next; | |
245 | } | |
246 | return hash; | |
247 | } | |
248 | ||
24330d27 KP |
249 | void |
250 | FcPatternDestroy (FcPattern *p) | |
251 | { | |
252 | int i; | |
253 | ||
d8d73958 | 254 | if (p->ref == FC_REF_CONSTANT || --p->ref > 0) |
6f6563ed KP |
255 | return; |
256 | ||
24330d27 KP |
257 | for (i = 0; i < p->num; i++) |
258 | FcValueListDestroy (p->elts[i].values); | |
259 | ||
260 | p->num = 0; | |
261 | if (p->elts) | |
262 | { | |
263 | FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt)); | |
264 | free (p->elts); | |
265 | p->elts = 0; | |
266 | } | |
267 | p->size = 0; | |
268 | FcMemFree (FC_MEM_PATTERN, sizeof (FcPattern)); | |
269 | free (p); | |
270 | } | |
271 | ||
d8d73958 KP |
272 | #define FC_VALUE_LIST_HASH_SIZE 257 |
273 | #define FC_PATTERN_HASH_SIZE 67 | |
274 | ||
275 | typedef struct _FcValueListEnt FcValueListEnt; | |
276 | ||
277 | struct _FcValueListEnt { | |
278 | FcValueListEnt *next; | |
d8d73958 | 279 | FcValueList *list; |
05336fd8 | 280 | FcChar32 hash, pad; |
d8d73958 KP |
281 | }; |
282 | ||
2d79b586 KP |
283 | typedef union _FcValueListAlign { |
284 | FcValueListEnt ent; | |
285 | FcValueList list; | |
286 | } FcValueListAlign; | |
287 | ||
d8d73958 KP |
288 | static int FcValueListFrozenCount[FcTypeLangSet + 1]; |
289 | static int FcValueListFrozenBytes[FcTypeLangSet + 1]; | |
290 | static char *FcValueListFrozenName[] = { | |
291 | "Void", | |
292 | "Integer", | |
293 | "Double", | |
294 | "String", | |
295 | "Bool", | |
296 | "Matrix", | |
297 | "CharSet", | |
298 | "FTFace", | |
299 | "LangSet" | |
300 | }; | |
301 | ||
302 | void | |
303 | FcValueListReport (void); | |
304 | ||
305 | void | |
306 | FcValueListReport (void) | |
307 | { | |
308 | FcType t; | |
309 | ||
310 | printf ("Fc Frozen Values:\n"); | |
311 | printf ("\t%8s %9s %9s\n", "Type", "Count", "Bytes"); | |
312 | for (t = FcTypeVoid; t <= FcTypeLangSet; t++) | |
313 | printf ("\t%8s %9d %9d\n", FcValueListFrozenName[t], | |
314 | FcValueListFrozenCount[t], FcValueListFrozenBytes[t]); | |
315 | } | |
316 | ||
317 | static FcValueListEnt * | |
318 | FcValueListEntCreate (FcValueList *h) | |
319 | { | |
2d79b586 | 320 | FcValueListAlign *ea; |
d8d73958 KP |
321 | FcValueListEnt *e; |
322 | FcValueList *l, *new; | |
323 | int n; | |
324 | int string_size = 0; | |
325 | FcChar8 *strs; | |
326 | int size; | |
327 | ||
328 | n = 0; | |
329 | for (l = h; l; l = l->next) | |
330 | { | |
331 | if (l->value.type == FcTypeString) | |
332 | string_size += strlen ((char *) l->value.u.s) + 1; | |
333 | n++; | |
334 | } | |
2d79b586 | 335 | size = sizeof (FcValueListAlign) + n * sizeof (FcValueList) + string_size; |
d8d73958 KP |
336 | FcValueListFrozenCount[h->value.type]++; |
337 | FcValueListFrozenBytes[h->value.type] += size; | |
2d79b586 KP |
338 | ea = malloc (size); |
339 | if (!ea) | |
d8d73958 KP |
340 | return 0; |
341 | FcMemAlloc (FC_MEM_VALLIST, size); | |
2d79b586 KP |
342 | e = &ea->ent; |
343 | e->list = (FcValueList *) (ea + 1); | |
d8d73958 KP |
344 | strs = (FcChar8 *) (e->list + n); |
345 | new = e->list; | |
05336fd8 | 346 | for (l = h; l; l = l->next, new++) |
d8d73958 KP |
347 | { |
348 | if (l->value.type == FcTypeString) | |
349 | { | |
350 | new->value.type = FcTypeString; | |
351 | new->value.u.s = strs; | |
352 | strcpy ((char *) strs, (char *) l->value.u.s); | |
353 | strs += strlen ((char *) strs) + 1; | |
354 | } | |
355 | else | |
05336fd8 MALF |
356 | { |
357 | new->value = l->value; | |
358 | new->value = FcValueSave (new->value); | |
359 | } | |
d8d73958 KP |
360 | new->binding = l->binding; |
361 | if (l->next) | |
362 | new->next = new + 1; | |
363 | else | |
364 | new->next = 0; | |
365 | } | |
366 | return e; | |
367 | } | |
368 | ||
34cd0514 CW |
369 | static void |
370 | FcValueListEntDestroy (FcValueListEnt *e) | |
371 | { | |
372 | FcValueList *l; | |
373 | ||
374 | FcValueListFrozenCount[e->list->value.type]--; | |
375 | ||
376 | /* XXX: We should perform these two operations with "size" as | |
377 | computed in FcValueListEntCreate, but we don't have access to | |
378 | that value here. Without this, the FcValueListFrozenBytes | |
379 | values will be wrong as will the FcMemFree counts. | |
380 | ||
381 | FcValueListFrozenBytes[e->list->value.type] -= size; | |
382 | FcMemFree (FC_MEM_VALLIST, size); | |
383 | */ | |
384 | ||
385 | for (l = e->list; l; l = l->next) | |
386 | { | |
387 | if (l->value.type != FcTypeString) | |
388 | FcValueDestroy (l->value); | |
389 | } | |
390 | /* XXX: Are we being too chummy with the implementation here to | |
391 | free(e) when it was actually the enclosing FcValueListAlign | |
392 | that was allocated? */ | |
393 | free (e); | |
394 | } | |
395 | ||
d8d73958 KP |
396 | static int FcValueListTotal; |
397 | static int FcValueListUsed; | |
398 | ||
34cd0514 CW |
399 | static FcValueListEnt *FcValueListHashTable[FC_VALUE_LIST_HASH_SIZE]; |
400 | ||
d8d73958 KP |
401 | static FcValueList * |
402 | FcValueListFreeze (FcValueList *l) | |
403 | { | |
d8d73958 | 404 | FcChar32 hash = FcValueListHash (l); |
34cd0514 | 405 | FcValueListEnt **bucket = &FcValueListHashTable[hash % FC_VALUE_LIST_HASH_SIZE]; |
d8d73958 KP |
406 | FcValueListEnt *ent; |
407 | ||
408 | FcValueListTotal++; | |
409 | for (ent = *bucket; ent; ent = ent->next) | |
410 | { | |
411 | if (ent->hash == hash && FcValueListEqual (ent->list, l)) | |
412 | return ent->list; | |
413 | } | |
414 | ||
415 | ent = FcValueListEntCreate (l); | |
416 | if (!ent) | |
417 | return 0; | |
418 | ||
419 | FcValueListUsed++; | |
420 | ent->hash = hash; | |
421 | ent->next = *bucket; | |
422 | *bucket = ent; | |
423 | return ent->list; | |
424 | } | |
425 | ||
34cd0514 CW |
426 | static void |
427 | FcValueListThawAll (void) | |
428 | { | |
429 | int i; | |
430 | FcValueListEnt *ent, *next; | |
431 | ||
432 | for (i = 0; i < FC_VALUE_LIST_HASH_SIZE; i++) | |
433 | { | |
434 | for (ent = FcValueListHashTable[i]; ent; ent = next) | |
435 | { | |
436 | next = ent->next; | |
437 | FcValueListEntDestroy (ent); | |
438 | } | |
439 | FcValueListHashTable[i] = 0; | |
440 | } | |
441 | ||
442 | FcValueListTotal = 0; | |
443 | FcValueListUsed = 0; | |
444 | } | |
445 | ||
d8d73958 KP |
446 | static FcChar32 |
447 | FcPatternBaseHash (FcPattern *b) | |
448 | { | |
449 | FcChar32 hash = b->num; | |
450 | int i; | |
451 | ||
452 | for (i = 0; i < b->num; i++) | |
d1bec8c6 | 453 | hash = ((hash << 1) | (hash >> 31)) ^ ((long) b->elts[i].values); |
d8d73958 KP |
454 | return hash; |
455 | } | |
456 | ||
457 | typedef struct _FcPatternEnt FcPatternEnt; | |
458 | ||
459 | struct _FcPatternEnt { | |
460 | FcPatternEnt *next; | |
461 | FcChar32 hash; | |
462 | FcPattern pattern; | |
463 | }; | |
464 | ||
465 | static int FcPatternTotal; | |
466 | static int FcPatternUsed; | |
467 | ||
34cd0514 CW |
468 | static FcPatternEnt *FcPatternHashTable[FC_VALUE_LIST_HASH_SIZE]; |
469 | ||
d8d73958 KP |
470 | static FcPattern * |
471 | FcPatternBaseFreeze (FcPattern *b) | |
472 | { | |
d8d73958 | 473 | FcChar32 hash = FcPatternBaseHash (b); |
34cd0514 | 474 | FcPatternEnt **bucket = &FcPatternHashTable[hash % FC_VALUE_LIST_HASH_SIZE]; |
d8d73958 KP |
475 | FcPatternEnt *ent; |
476 | int i; | |
477 | char *objects; | |
478 | int size_objects; | |
479 | int size; | |
480 | ||
481 | FcPatternTotal++; | |
482 | for (ent = *bucket; ent; ent = ent->next) | |
483 | { | |
484 | if (ent->hash == hash && b->num == ent->pattern.num) | |
485 | { | |
486 | for (i = 0; i < b->num; i++) | |
487 | { | |
488 | if (strcmp (b->elts[i].object, ent->pattern.elts[i].object)) | |
489 | break; | |
490 | if (b->elts[i].values != ent->pattern.elts[i].values) | |
491 | break; | |
492 | } | |
493 | if (i == b->num) | |
494 | return &ent->pattern; | |
495 | } | |
496 | } | |
497 | ||
498 | /* | |
499 | * Compute size of pattern + elts + object names | |
500 | */ | |
501 | size_objects = 0; | |
502 | for (i = 0; i < b->num; i++) | |
503 | size_objects += strlen (b->elts[i].object) + 1; | |
504 | ||
505 | size = sizeof (FcPatternEnt) + b->num*sizeof (FcPatternElt) + size_objects; | |
506 | ent = malloc (size); | |
507 | if (!ent) | |
508 | return 0; | |
509 | ||
510 | FcMemAlloc (FC_MEM_PATTERN, size); | |
511 | FcPatternUsed++; | |
512 | ||
513 | ent->pattern.elts = (FcPatternElt *) (ent + 1); | |
514 | ent->pattern.num = b->num; | |
515 | ent->pattern.size = b->num; | |
516 | ent->pattern.ref = FC_REF_CONSTANT; | |
517 | ||
518 | objects = (char *) (ent->pattern.elts + b->num); | |
519 | for (i = 0; i < b->num; i++) | |
520 | { | |
521 | ent->pattern.elts[i].values = b->elts[i].values; | |
522 | strcpy (objects, b->elts[i].object); | |
523 | ent->pattern.elts[i].object = objects; | |
524 | objects += strlen (objects) + 1; | |
525 | } | |
526 | ||
527 | ent->hash = hash; | |
528 | ent->next = *bucket; | |
529 | *bucket = ent; | |
530 | return &ent->pattern; | |
531 | } | |
532 | ||
34cd0514 CW |
533 | static void |
534 | FcPatternBaseThawAll (void) | |
535 | { | |
536 | int i; | |
537 | FcPatternEnt *ent, *next; | |
538 | ||
539 | for (i = 0; i < FC_VALUE_LIST_HASH_SIZE; i++) | |
540 | { | |
541 | for (ent = FcPatternHashTable[i]; ent; ent = next) | |
542 | { | |
543 | next = ent->next; | |
544 | free (ent); | |
545 | } | |
546 | FcPatternHashTable[i] = 0; | |
547 | } | |
548 | ||
549 | FcPatternTotal = 0; | |
550 | FcPatternUsed = 0; | |
551 | } | |
552 | ||
d8d73958 KP |
553 | FcPattern * |
554 | FcPatternFreeze (FcPattern *p) | |
555 | { | |
556 | FcPattern *b, *n = 0; | |
557 | int size; | |
558 | int i; | |
559 | ||
560 | size = sizeof (FcPattern) + p->num * sizeof (FcPatternElt); | |
561 | b = (FcPattern *) malloc (size); | |
562 | if (!b) | |
563 | return 0; | |
9dac3c59 | 564 | FcMemAlloc (FC_MEM_PATTERN, size); |
d8d73958 KP |
565 | b->num = p->num; |
566 | b->size = b->num; | |
567 | b->ref = 1; | |
568 | b->elts = (FcPatternElt *) (b + 1); | |
569 | /* | |
570 | * Freeze object lists | |
571 | */ | |
572 | for (i = 0; i < p->num; i++) | |
573 | { | |
574 | b->elts[i].object = p->elts[i].object; | |
575 | b->elts[i].values = FcValueListFreeze (p->elts[i].values); | |
576 | if (!b->elts[i].values) | |
577 | goto bail; | |
578 | } | |
579 | /* | |
580 | * Freeze base | |
581 | */ | |
582 | n = FcPatternBaseFreeze (b); | |
583 | #ifdef CHATTY | |
584 | if (FcDebug() & FC_DBG_MEMORY) | |
585 | { | |
586 | printf ("ValueLists: total %9d used %9d\n", FcValueListTotal, FcValueListUsed); | |
587 | printf ("Patterns: total %9d used %9d\n", FcPatternTotal, FcPatternUsed); | |
588 | } | |
589 | #endif | |
590 | bail: | |
591 | free (b); | |
592 | #ifdef DEBUG | |
593 | assert (FcPatternEqual (n, p)); | |
594 | #endif | |
595 | return n; | |
596 | } | |
597 | ||
34cd0514 CW |
598 | void |
599 | FcPatternThawAll (void) | |
600 | { | |
601 | FcPatternBaseThawAll (); | |
602 | FcValueListThawAll (); | |
603 | } | |
604 | ||
e9be9cd1 KP |
605 | static int |
606 | FcPatternPosition (const FcPattern *p, const char *object) | |
24330d27 | 607 | { |
e9be9cd1 | 608 | int low, high, mid, c; |
0ab36ca8 | 609 | |
0ab36ca8 | 610 | low = 0; |
e9be9cd1 KP |
611 | high = p->num - 1; |
612 | c = 1; | |
613 | mid = 0; | |
614 | while (low <= high) | |
24330d27 | 615 | { |
e9be9cd1 KP |
616 | mid = (low + high) >> 1; |
617 | c = strcmp (p->elts[mid].object, object); | |
618 | if (c == 0) | |
619 | return mid; | |
620 | if (c < 0) | |
621 | low = mid + 1; | |
0ab36ca8 | 622 | else |
e9be9cd1 | 623 | high = mid - 1; |
24330d27 | 624 | } |
e9be9cd1 KP |
625 | if (c < 0) |
626 | mid++; | |
627 | return -(mid + 1); | |
628 | } | |
24330d27 | 629 | |
e9be9cd1 KP |
630 | FcPatternElt * |
631 | FcPatternFindElt (const FcPattern *p, const char *object) | |
632 | { | |
633 | int i = FcPatternPosition (p, object); | |
634 | if (i < 0) | |
0ab36ca8 | 635 | return 0; |
e9be9cd1 KP |
636 | return &p->elts[i]; |
637 | } | |
24330d27 | 638 | |
e9be9cd1 KP |
639 | FcPatternElt * |
640 | FcPatternInsertElt (FcPattern *p, const char *object) | |
641 | { | |
642 | int i; | |
643 | FcPatternElt *e; | |
644 | ||
645 | i = FcPatternPosition (p, object); | |
646 | if (i < 0) | |
24330d27 | 647 | { |
e9be9cd1 KP |
648 | i = -i - 1; |
649 | ||
650 | /* grow array */ | |
651 | if (p->num + 1 >= p->size) | |
24330d27 | 652 | { |
e9be9cd1 KP |
653 | int s = p->size + 16; |
654 | if (p->elts) | |
655 | e = (FcPatternElt *) realloc (p->elts, s * sizeof (FcPatternElt)); | |
656 | else | |
657 | e = (FcPatternElt *) malloc (s * sizeof (FcPatternElt)); | |
658 | if (!e) | |
659 | return FcFalse; | |
660 | p->elts = e; | |
661 | if (p->size) | |
662 | FcMemFree (FC_MEM_PATELT, p->size * sizeof (FcPatternElt)); | |
663 | FcMemAlloc (FC_MEM_PATELT, s * sizeof (FcPatternElt)); | |
664 | while (p->size < s) | |
665 | { | |
666 | p->elts[p->size].object = 0; | |
667 | p->elts[p->size].values = 0; | |
668 | p->size++; | |
669 | } | |
24330d27 | 670 | } |
e9be9cd1 KP |
671 | |
672 | /* move elts up */ | |
673 | memmove (p->elts + i + 1, | |
674 | p->elts + i, | |
675 | sizeof (FcPatternElt) * | |
676 | (p->num - i)); | |
677 | ||
678 | /* bump count */ | |
679 | p->num++; | |
680 | ||
681 | p->elts[i].object = object; | |
682 | p->elts[i].values = 0; | |
24330d27 KP |
683 | } |
684 | ||
24330d27 KP |
685 | return &p->elts[i]; |
686 | } | |
687 | ||
0ab36ca8 | 688 | FcBool |
e9be9cd1 | 689 | FcPatternEqual (const FcPattern *pa, const FcPattern *pb) |
0ab36ca8 KP |
690 | { |
691 | int i; | |
692 | ||
bd724c85 KP |
693 | if (pa == pb) |
694 | return FcTrue; | |
695 | ||
0ab36ca8 KP |
696 | if (pa->num != pb->num) |
697 | return FcFalse; | |
698 | for (i = 0; i < pa->num; i++) | |
699 | { | |
bc9469ba | 700 | if (strcmp (pa->elts[i].object, pb->elts[i].object) != 0) |
0ab36ca8 KP |
701 | return FcFalse; |
702 | if (!FcValueListEqual (pa->elts[i].values, pb->elts[i].values)) | |
703 | return FcFalse; | |
704 | } | |
705 | return FcTrue; | |
706 | } | |
707 | ||
d0f07b8d KP |
708 | FcChar32 |
709 | FcPatternHash (const FcPattern *p) | |
710 | { | |
711 | int i; | |
712 | FcChar32 h = 0; | |
713 | ||
714 | for (i = 0; i < p->num; i++) | |
715 | { | |
716 | h = (((h << 1) | (h >> 31)) ^ | |
717 | FcStringHash ((const FcChar8 *) p->elts[i].object) ^ | |
718 | FcValueListHash (p->elts[i].values)); | |
719 | } | |
720 | return h; | |
721 | } | |
722 | ||
e9be9cd1 KP |
723 | FcBool |
724 | FcPatternEqualSubset (const FcPattern *pa, const FcPattern *pb, const FcObjectSet *os) | |
725 | { | |
726 | FcPatternElt *ea, *eb; | |
727 | int i; | |
728 | ||
729 | for (i = 0; i < os->nobject; i++) | |
730 | { | |
731 | ea = FcPatternFindElt (pa, os->objects[i]); | |
732 | eb = FcPatternFindElt (pb, os->objects[i]); | |
733 | if (ea) | |
734 | { | |
735 | if (!eb) | |
736 | return FcFalse; | |
737 | if (!FcValueListEqual (ea->values, eb->values)) | |
738 | return FcFalse; | |
739 | } | |
740 | else | |
741 | { | |
742 | if (eb) | |
743 | return FcFalse; | |
744 | } | |
745 | } | |
746 | return FcTrue; | |
747 | } | |
748 | ||
24330d27 | 749 | FcBool |
82f4243f KP |
750 | FcPatternAddWithBinding (FcPattern *p, |
751 | const char *object, | |
752 | FcValue value, | |
753 | FcValueBinding binding, | |
754 | FcBool append) | |
24330d27 KP |
755 | { |
756 | FcPatternElt *e; | |
757 | FcValueList *new, **prev; | |
758 | ||
d8d73958 KP |
759 | if (p->ref == FC_REF_CONSTANT) |
760 | goto bail0; | |
761 | ||
24330d27 KP |
762 | new = (FcValueList *) malloc (sizeof (FcValueList)); |
763 | if (!new) | |
764 | goto bail0; | |
765 | ||
766 | FcMemAlloc (FC_MEM_VALLIST, sizeof (FcValueList)); | |
767 | /* dup string */ | |
768 | value = FcValueSave (value); | |
769 | if (value.type == FcTypeVoid) | |
770 | goto bail1; | |
771 | ||
772 | new->value = value; | |
82f4243f | 773 | new->binding = binding; |
24330d27 KP |
774 | new->next = 0; |
775 | ||
e9be9cd1 | 776 | e = FcPatternInsertElt (p, object); |
24330d27 KP |
777 | if (!e) |
778 | goto bail2; | |
779 | ||
780 | if (append) | |
781 | { | |
782 | for (prev = &e->values; *prev; prev = &(*prev)->next); | |
783 | *prev = new; | |
784 | } | |
785 | else | |
786 | { | |
787 | new->next = e->values; | |
788 | e->values = new; | |
789 | } | |
790 | ||
791 | return FcTrue; | |
792 | ||
793 | bail2: | |
794 | switch (value.type) { | |
795 | case FcTypeString: | |
796 | FcStrFree ((FcChar8 *) value.u.s); | |
797 | break; | |
798 | case FcTypeMatrix: | |
799 | FcMatrixFree ((FcMatrix *) value.u.m); | |
800 | break; | |
801 | case FcTypeCharSet: | |
802 | FcCharSetDestroy ((FcCharSet *) value.u.c); | |
803 | break; | |
d8d73958 KP |
804 | case FcTypeLangSet: |
805 | FcLangSetDestroy ((FcLangSet *) value.u.l); | |
806 | break; | |
24330d27 KP |
807 | default: |
808 | break; | |
809 | } | |
810 | bail1: | |
811 | FcMemFree (FC_MEM_VALLIST, sizeof (FcValueList)); | |
812 | free (new); | |
813 | bail0: | |
814 | return FcFalse; | |
815 | } | |
816 | ||
82f4243f KP |
817 | FcBool |
818 | FcPatternAdd (FcPattern *p, const char *object, FcValue value, FcBool append) | |
819 | { | |
820 | return FcPatternAddWithBinding (p, object, value, FcValueBindingStrong, append); | |
821 | } | |
822 | ||
823 | FcBool | |
824 | FcPatternAddWeak (FcPattern *p, const char *object, FcValue value, FcBool append) | |
825 | { | |
826 | return FcPatternAddWithBinding (p, object, value, FcValueBindingWeak, append); | |
827 | } | |
828 | ||
24330d27 KP |
829 | FcBool |
830 | FcPatternDel (FcPattern *p, const char *object) | |
831 | { | |
832 | FcPatternElt *e; | |
833 | int i; | |
834 | ||
e9be9cd1 | 835 | e = FcPatternFindElt (p, object); |
24330d27 KP |
836 | if (!e) |
837 | return FcFalse; | |
838 | ||
839 | i = e - p->elts; | |
840 | ||
841 | /* destroy value */ | |
842 | FcValueListDestroy (e->values); | |
843 | ||
844 | /* shuffle existing ones down */ | |
845 | memmove (e, e+1, (p->elts + p->num - (e + 1)) * sizeof (FcPatternElt)); | |
846 | p->num--; | |
847 | p->elts[p->num].object = 0; | |
848 | p->elts[p->num].values = 0; | |
849 | return FcTrue; | |
850 | } | |
851 | ||
4f27c1c0 KP |
852 | FcBool |
853 | FcPatternRemove (FcPattern *p, const char *object, int id) | |
854 | { | |
855 | FcPatternElt *e; | |
856 | FcValueList **prev, *l; | |
857 | ||
858 | e = FcPatternFindElt (p, object); | |
859 | if (!e) | |
860 | return FcFalse; | |
861 | for (prev = &e->values; (l = *prev); prev = &l->next) | |
862 | { | |
863 | if (!id) | |
864 | { | |
865 | *prev = l->next; | |
866 | l->next = 0; | |
867 | FcValueListDestroy (l); | |
868 | if (!e->values) | |
869 | FcPatternDel (p, object); | |
870 | return FcTrue; | |
871 | } | |
872 | id--; | |
873 | } | |
874 | return FcFalse; | |
875 | } | |
876 | ||
24330d27 KP |
877 | FcBool |
878 | FcPatternAddInteger (FcPattern *p, const char *object, int i) | |
879 | { | |
880 | FcValue v; | |
881 | ||
882 | v.type = FcTypeInteger; | |
883 | v.u.i = i; | |
884 | return FcPatternAdd (p, object, v, FcTrue); | |
885 | } | |
886 | ||
887 | FcBool | |
888 | FcPatternAddDouble (FcPattern *p, const char *object, double d) | |
889 | { | |
890 | FcValue v; | |
891 | ||
892 | v.type = FcTypeDouble; | |
893 | v.u.d = d; | |
894 | return FcPatternAdd (p, object, v, FcTrue); | |
895 | } | |
896 | ||
897 | ||
898 | FcBool | |
ccb3e93b | 899 | FcPatternAddString (FcPattern *p, const char *object, const FcChar8 *s) |
24330d27 KP |
900 | { |
901 | FcValue v; | |
902 | ||
903 | v.type = FcTypeString; | |
ccb3e93b | 904 | v.u.s = s; |
24330d27 KP |
905 | return FcPatternAdd (p, object, v, FcTrue); |
906 | } | |
907 | ||
908 | FcBool | |
909 | FcPatternAddMatrix (FcPattern *p, const char *object, const FcMatrix *s) | |
910 | { | |
911 | FcValue v; | |
912 | ||
913 | v.type = FcTypeMatrix; | |
914 | v.u.m = (FcMatrix *) s; | |
915 | return FcPatternAdd (p, object, v, FcTrue); | |
916 | } | |
917 | ||
918 | ||
919 | FcBool | |
920 | FcPatternAddBool (FcPattern *p, const char *object, FcBool b) | |
921 | { | |
922 | FcValue v; | |
923 | ||
924 | v.type = FcTypeBool; | |
925 | v.u.b = b; | |
926 | return FcPatternAdd (p, object, v, FcTrue); | |
927 | } | |
928 | ||
929 | FcBool | |
930 | FcPatternAddCharSet (FcPattern *p, const char *object, const FcCharSet *c) | |
931 | { | |
932 | FcValue v; | |
933 | ||
934 | v.type = FcTypeCharSet; | |
935 | v.u.c = (FcCharSet *) c; | |
936 | return FcPatternAdd (p, object, v, FcTrue); | |
937 | } | |
938 | ||
be094850 KP |
939 | FcBool |
940 | FcPatternAddFTFace (FcPattern *p, const char *object, const FT_Face f) | |
941 | { | |
942 | FcValue v; | |
943 | ||
944 | v.type = FcTypeFTFace; | |
945 | v.u.f = (void *) f; | |
946 | return FcPatternAdd (p, object, v, FcTrue); | |
947 | } | |
948 | ||
d8d73958 KP |
949 | FcBool |
950 | FcPatternAddLangSet (FcPattern *p, const char *object, const FcLangSet *ls) | |
951 | { | |
952 | FcValue v; | |
953 | ||
954 | v.type = FcTypeLangSet; | |
955 | v.u.l = (FcLangSet *) ls; | |
956 | return FcPatternAdd (p, object, v, FcTrue); | |
957 | } | |
958 | ||
24330d27 | 959 | FcResult |
bff80114 | 960 | FcPatternGet (const FcPattern *p, const char *object, int id, FcValue *v) |
24330d27 KP |
961 | { |
962 | FcPatternElt *e; | |
963 | FcValueList *l; | |
964 | ||
e9be9cd1 | 965 | e = FcPatternFindElt (p, object); |
24330d27 KP |
966 | if (!e) |
967 | return FcResultNoMatch; | |
968 | for (l = e->values; l; l = l->next) | |
969 | { | |
970 | if (!id) | |
971 | { | |
972 | *v = l->value; | |
973 | return FcResultMatch; | |
974 | } | |
975 | id--; | |
976 | } | |
977 | return FcResultNoId; | |
978 | } | |
979 | ||
980 | FcResult | |
bff80114 | 981 | FcPatternGetInteger (const FcPattern *p, const char *object, int id, int *i) |
24330d27 KP |
982 | { |
983 | FcValue v; | |
984 | FcResult r; | |
985 | ||
986 | r = FcPatternGet (p, object, id, &v); | |
987 | if (r != FcResultMatch) | |
988 | return r; | |
989 | switch (v.type) { | |
990 | case FcTypeDouble: | |
991 | *i = (int) v.u.d; | |
992 | break; | |
993 | case FcTypeInteger: | |
994 | *i = v.u.i; | |
995 | break; | |
996 | default: | |
997 | return FcResultTypeMismatch; | |
998 | } | |
999 | return FcResultMatch; | |
1000 | } | |
1001 | ||
1002 | FcResult | |
bff80114 | 1003 | FcPatternGetDouble (const FcPattern *p, const char *object, int id, double *d) |
24330d27 KP |
1004 | { |
1005 | FcValue v; | |
1006 | FcResult r; | |
1007 | ||
1008 | r = FcPatternGet (p, object, id, &v); | |
1009 | if (r != FcResultMatch) | |
1010 | return r; | |
1011 | switch (v.type) { | |
1012 | case FcTypeDouble: | |
1013 | *d = v.u.d; | |
1014 | break; | |
1015 | case FcTypeInteger: | |
1016 | *d = (double) v.u.i; | |
1017 | break; | |
1018 | default: | |
1019 | return FcResultTypeMismatch; | |
1020 | } | |
1021 | return FcResultMatch; | |
1022 | } | |
1023 | ||
1024 | FcResult | |
bff80114 | 1025 | FcPatternGetString (const FcPattern *p, const char *object, int id, FcChar8 ** s) |
24330d27 KP |
1026 | { |
1027 | FcValue v; | |
1028 | FcResult r; | |
1029 | ||
1030 | r = FcPatternGet (p, object, id, &v); | |
1031 | if (r != FcResultMatch) | |
1032 | return r; | |
1033 | if (v.type != FcTypeString) | |
1034 | return FcResultTypeMismatch; | |
aae6f7d4 | 1035 | *s = (FcChar8 *) v.u.s; |
24330d27 KP |
1036 | return FcResultMatch; |
1037 | } | |
1038 | ||
1039 | FcResult | |
bff80114 | 1040 | FcPatternGetMatrix(const FcPattern *p, const char *object, int id, FcMatrix **m) |
24330d27 KP |
1041 | { |
1042 | FcValue v; | |
1043 | FcResult r; | |
1044 | ||
1045 | r = FcPatternGet (p, object, id, &v); | |
1046 | if (r != FcResultMatch) | |
1047 | return r; | |
1048 | if (v.type != FcTypeMatrix) | |
1049 | return FcResultTypeMismatch; | |
1050 | *m = (FcMatrix *) v.u.m; | |
1051 | return FcResultMatch; | |
1052 | } | |
1053 | ||
1054 | ||
1055 | FcResult | |
bff80114 | 1056 | FcPatternGetBool(const FcPattern *p, const char *object, int id, FcBool *b) |
24330d27 KP |
1057 | { |
1058 | FcValue v; | |
1059 | FcResult r; | |
1060 | ||
1061 | r = FcPatternGet (p, object, id, &v); | |
1062 | if (r != FcResultMatch) | |
1063 | return r; | |
1064 | if (v.type != FcTypeBool) | |
1065 | return FcResultTypeMismatch; | |
1066 | *b = v.u.b; | |
1067 | return FcResultMatch; | |
1068 | } | |
1069 | ||
1070 | FcResult | |
bff80114 | 1071 | FcPatternGetCharSet(const FcPattern *p, const char *object, int id, FcCharSet **c) |
24330d27 KP |
1072 | { |
1073 | FcValue v; | |
1074 | FcResult r; | |
1075 | ||
1076 | r = FcPatternGet (p, object, id, &v); | |
1077 | if (r != FcResultMatch) | |
1078 | return r; | |
1079 | if (v.type != FcTypeCharSet) | |
1080 | return FcResultTypeMismatch; | |
1081 | *c = (FcCharSet *) v.u.c; | |
1082 | return FcResultMatch; | |
1083 | } | |
1084 | ||
be094850 | 1085 | FcResult |
bff80114 | 1086 | FcPatternGetFTFace(const FcPattern *p, const char *object, int id, FT_Face *f) |
be094850 KP |
1087 | { |
1088 | FcValue v; | |
1089 | FcResult r; | |
1090 | ||
1091 | r = FcPatternGet (p, object, id, &v); | |
1092 | if (r != FcResultMatch) | |
1093 | return r; | |
1094 | if (v.type != FcTypeFTFace) | |
1095 | return FcResultTypeMismatch; | |
1096 | *f = (FT_Face) v.u.f; | |
1097 | return FcResultMatch; | |
1098 | } | |
1099 | ||
d8d73958 | 1100 | FcResult |
bff80114 | 1101 | FcPatternGetLangSet(const FcPattern *p, const char *object, int id, FcLangSet **ls) |
d8d73958 KP |
1102 | { |
1103 | FcValue v; | |
1104 | FcResult r; | |
1105 | ||
1106 | r = FcPatternGet (p, object, id, &v); | |
1107 | if (r != FcResultMatch) | |
1108 | return r; | |
1109 | if (v.type != FcTypeLangSet) | |
1110 | return FcResultTypeMismatch; | |
1111 | *ls = (FcLangSet *) v.u.l; | |
1112 | return FcResultMatch; | |
1113 | } | |
1114 | ||
24330d27 | 1115 | FcPattern * |
bff80114 | 1116 | FcPatternDuplicate (const FcPattern *orig) |
24330d27 KP |
1117 | { |
1118 | FcPattern *new; | |
1119 | int i; | |
1120 | FcValueList *l; | |
1121 | ||
1122 | new = FcPatternCreate (); | |
1123 | if (!new) | |
1124 | goto bail0; | |
1125 | ||
1126 | for (i = 0; i < orig->num; i++) | |
1127 | { | |
1128 | for (l = orig->elts[i].values; l; l = l->next) | |
1129 | if (!FcPatternAdd (new, orig->elts[i].object, l->value, FcTrue)) | |
1130 | goto bail1; | |
1131 | } | |
1132 | ||
1133 | return new; | |
1134 | ||
1135 | bail1: | |
1136 | FcPatternDestroy (new); | |
1137 | bail0: | |
1138 | return 0; | |
1139 | } | |
1140 | ||
6f6563ed KP |
1141 | void |
1142 | FcPatternReference (FcPattern *p) | |
1143 | { | |
d8d73958 KP |
1144 | if (p->ref != FC_REF_CONSTANT) |
1145 | p->ref++; | |
6f6563ed KP |
1146 | } |
1147 | ||
24330d27 KP |
1148 | FcPattern * |
1149 | FcPatternVaBuild (FcPattern *orig, va_list va) | |
1150 | { | |
1151 | FcPattern *ret; | |
1152 | ||
1153 | FcPatternVapBuild (ret, orig, va); | |
1154 | return ret; | |
1155 | } | |
1156 | ||
1157 | FcPattern * | |
1158 | FcPatternBuild (FcPattern *orig, ...) | |
1159 | { | |
1160 | va_list va; | |
1161 | ||
1162 | va_start (va, orig); | |
1163 | FcPatternVapBuild (orig, orig, va); | |
1164 | va_end (va); | |
1165 | return orig; | |
1166 | } | |
4f27c1c0 KP |
1167 | |
1168 | /* | |
1169 | * Add all of the elements in 's' to 'p' | |
1170 | */ | |
1171 | FcBool | |
1172 | FcPatternAppend (FcPattern *p, FcPattern *s) | |
1173 | { | |
1174 | int i; | |
1175 | FcPatternElt *e; | |
1176 | FcValueList *v; | |
1177 | ||
1178 | for (i = 0; i < s->num; i++) | |
1179 | { | |
1180 | e = &s->elts[i]; | |
1181 | for (v = e->values; v; v = v->next) | |
1182 | { | |
1183 | if (!FcPatternAddWithBinding (p, e->object, | |
1184 | v->value, v->binding, FcTrue)) | |
1185 | return FcFalse; | |
1186 | } | |
1187 | } | |
1188 | return FcTrue; | |
1189 | } | |
1190 | ||
1191 | const char * | |
1192 | FcObjectStaticName (const char *name) | |
1193 | { | |
1194 | #define OBJECT_HASH_SIZE 31 | |
1195 | static struct objectBucket { | |
1196 | struct objectBucket *next; | |
1197 | FcChar32 hash; | |
1198 | } *buckets[OBJECT_HASH_SIZE]; | |
1199 | FcChar32 hash = FcStringHash ((const FcChar8 *) name); | |
1200 | struct objectBucket **p; | |
1201 | struct objectBucket *b; | |
1202 | ||
1203 | for (p = &buckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
1204 | if (b->hash == hash && !strcmp (name, (char *) (b + 1))) | |
1205 | return (char *) (b + 1); | |
1206 | b = malloc (sizeof (struct objectBucket) + strlen (name) + 1); | |
1207 | if (!b) | |
1208 | return NULL; | |
1209 | b->next = 0; | |
1210 | b->hash = hash; | |
1211 | strcpy ((char *) (b + 1), name); | |
1212 | *p = b; | |
1213 | return (char *) (b + 1); | |
1214 | } |