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1 | /* | |
2 | * $RCSId: xc/lib/fontconfig/src/fcname.c,v 1.15 2002/09/26 00:17:28 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 <ctype.h> | |
27 | #include <stdlib.h> | |
28 | #include <string.h> | |
29 | #include <stdio.h> | |
30 | ||
31 | /* | |
32 | * Please do not change this list, it is used to initialize the object | |
33 | * list in this order to match the FC_foo_OBJECT constants. Those | |
34 | * constants are written into cache files. | |
35 | */ | |
36 | ||
37 | static const FcObjectType _FcBaseObjectTypes[] = { | |
38 | { FC_FAMILY, FcTypeString, }, /* 1 */ | |
39 | { FC_FAMILYLANG, FcTypeString, }, | |
40 | { FC_STYLE, FcTypeString, }, | |
41 | { FC_STYLELANG, FcTypeString, }, | |
42 | { FC_FULLNAME, FcTypeString, }, | |
43 | { FC_FULLNAMELANG, FcTypeString, }, | |
44 | { FC_SLANT, FcTypeInteger, }, | |
45 | { FC_WEIGHT, FcTypeInteger, }, | |
46 | { FC_WIDTH, FcTypeInteger, }, | |
47 | { FC_SIZE, FcTypeDouble, }, | |
48 | { FC_ASPECT, FcTypeDouble, }, | |
49 | { FC_PIXEL_SIZE, FcTypeDouble, }, | |
50 | { FC_SPACING, FcTypeInteger, }, | |
51 | { FC_FOUNDRY, FcTypeString, }, | |
52 | { FC_ANTIALIAS, FcTypeBool, }, | |
53 | { FC_HINT_STYLE, FcTypeInteger, }, | |
54 | { FC_HINTING, FcTypeBool, }, | |
55 | { FC_VERTICAL_LAYOUT, FcTypeBool, }, | |
56 | { FC_AUTOHINT, FcTypeBool, }, | |
57 | { FC_GLOBAL_ADVANCE, FcTypeBool, }, | |
58 | { FC_FILE, FcTypeString, }, | |
59 | { FC_INDEX, FcTypeInteger, }, | |
60 | { FC_RASTERIZER, FcTypeString, }, | |
61 | { FC_OUTLINE, FcTypeBool, }, | |
62 | { FC_SCALABLE, FcTypeBool, }, | |
63 | { FC_DPI, FcTypeDouble }, | |
64 | { FC_RGBA, FcTypeInteger, }, | |
65 | { FC_SCALE, FcTypeDouble, }, | |
66 | { FC_MINSPACE, FcTypeBool, }, | |
67 | { FC_CHAR_WIDTH, FcTypeInteger }, | |
68 | { FC_CHAR_HEIGHT, FcTypeInteger }, | |
69 | { FC_MATRIX, FcTypeMatrix }, | |
70 | { FC_CHARSET, FcTypeCharSet }, | |
71 | { FC_LANG, FcTypeLangSet }, | |
72 | { FC_FONTVERSION, FcTypeInteger }, | |
73 | { FC_CAPABILITY, FcTypeString }, | |
74 | { FC_FONTFORMAT, FcTypeString }, | |
75 | { FC_EMBOLDEN, FcTypeBool }, | |
76 | { FC_EMBEDDED_BITMAP, FcTypeBool }, /* 39 */ | |
77 | }; | |
78 | ||
79 | #define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0]) | |
80 | ||
81 | typedef struct _FcObjectTypeList FcObjectTypeList; | |
82 | ||
83 | struct _FcObjectTypeList { | |
84 | const FcObjectTypeList *next; | |
85 | const FcObjectType *types; | |
86 | int ntypes; | |
87 | }; | |
88 | ||
89 | static const FcObjectTypeList _FcBaseObjectTypesList = { | |
90 | 0, | |
91 | _FcBaseObjectTypes, | |
92 | NUM_OBJECT_TYPES, | |
93 | }; | |
94 | ||
95 | static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList; | |
96 | ||
97 | #define OBJECT_HASH_SIZE 31 | |
98 | ||
99 | typedef struct _FcObjectBucket { | |
100 | struct _FcObjectBucket *next; | |
101 | FcChar32 hash; | |
102 | FcObject id; | |
103 | } FcObjectBucket; | |
104 | ||
105 | static FcObjectBucket *FcObjectBuckets[OBJECT_HASH_SIZE]; | |
106 | ||
107 | static FcObjectType *FcObjects = (FcObjectType *) _FcBaseObjectTypes; | |
108 | static int FcObjectsNumber = NUM_OBJECT_TYPES; | |
109 | static int FcObjectsSize = 0; | |
110 | static FcBool FcObjectsInited; | |
111 | ||
112 | static FcObjectType * | |
113 | FcObjectInsert (const char *name, FcType type) | |
114 | { | |
115 | FcObjectType *o; | |
116 | if (FcObjectsNumber >= FcObjectsSize) | |
117 | { | |
118 | int newsize = FcObjectsNumber * 2; | |
119 | FcObjectType *newobjects; | |
120 | ||
121 | if (FcObjectsSize) | |
122 | newobjects = realloc (FcObjects, newsize * sizeof (FcObjectType)); | |
123 | else | |
124 | { | |
125 | newobjects = malloc (newsize * sizeof (FcObjectType)); | |
126 | if (newobjects) | |
127 | memcpy (newobjects, FcObjects, | |
128 | FcObjectsNumber * sizeof (FcObjectType)); | |
129 | } | |
130 | if (!newobjects) | |
131 | return NULL; | |
132 | FcObjects = newobjects; | |
133 | FcObjectsSize = newsize; | |
134 | } | |
135 | o = &FcObjects[FcObjectsNumber]; | |
136 | o->object = name; | |
137 | o->type = type; | |
138 | ++FcObjectsNumber; | |
139 | return o; | |
140 | } | |
141 | ||
142 | static FcObject | |
143 | FcObjectId (FcObjectType *o) | |
144 | { | |
145 | return o - FcObjects + 1; | |
146 | } | |
147 | ||
148 | static FcObjectType * | |
149 | FcObjectFindByName (const char *object, FcBool insert) | |
150 | { | |
151 | FcChar32 hash = FcStringHash ((const FcChar8 *) object); | |
152 | FcObjectBucket **p; | |
153 | FcObjectBucket *b; | |
154 | FcObjectType *o; | |
155 | ||
156 | if (!FcObjectsInited) | |
157 | FcObjectInit (); | |
158 | for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
159 | { | |
160 | o = FcObjects + b->id - 1; | |
161 | if (b->hash == hash && !strcmp (object, (o->object))) | |
162 | return o; | |
163 | } | |
164 | if (!insert) | |
165 | return NULL; | |
166 | /* | |
167 | * Hook it into the hash chain | |
168 | */ | |
169 | b = malloc (sizeof(FcObjectBucket)); | |
170 | if (!b) | |
171 | return NULL; | |
172 | object = (const char *) FcStrCopy ((FcChar8 *) object); | |
173 | if (!object) { | |
174 | free (b); | |
175 | return NULL; | |
176 | } | |
177 | o = FcObjectInsert (object, -1); | |
178 | b->next = NULL; | |
179 | b->hash = hash; | |
180 | b->id = FcObjectId (o); | |
181 | *p = b; | |
182 | return o; | |
183 | } | |
184 | ||
185 | static FcObjectType * | |
186 | FcObjectFindById (FcObject object) | |
187 | { | |
188 | if (1 <= object && object <= FcObjectsNumber) | |
189 | return FcObjects + object - 1; | |
190 | return NULL; | |
191 | } | |
192 | ||
193 | static FcBool | |
194 | FcObjectHashInsert (const FcObjectType *object, FcBool copy) | |
195 | { | |
196 | FcChar32 hash = FcStringHash ((const FcChar8 *) object->object); | |
197 | FcObjectBucket **p; | |
198 | FcObjectBucket *b; | |
199 | FcObjectType *o; | |
200 | ||
201 | if (!FcObjectsInited) | |
202 | FcObjectInit (); | |
203 | for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
204 | { | |
205 | o = FcObjects + b->id - 1; | |
206 | if (b->hash == hash && !strcmp (object->object, o->object)) | |
207 | return FcFalse; | |
208 | } | |
209 | /* | |
210 | * Hook it into the hash chain | |
211 | */ | |
212 | b = malloc (sizeof(FcObjectBucket)); | |
213 | if (!b) | |
214 | return FcFalse; | |
215 | if (copy) | |
216 | { | |
217 | o = FcObjectInsert (object->object, object->type); | |
218 | if (!o) | |
219 | { | |
220 | free (b); | |
221 | return FcFalse; | |
222 | } | |
223 | } | |
224 | else | |
225 | o = (FcObjectType *) object; | |
226 | b->next = NULL; | |
227 | b->hash = hash; | |
228 | b->id = FcObjectId (o); | |
229 | *p = b; | |
230 | return FcTrue; | |
231 | } | |
232 | ||
233 | static void | |
234 | FcObjectHashRemove (const FcObjectType *object, FcBool cleanobj) | |
235 | { | |
236 | FcChar32 hash = FcStringHash ((const FcChar8 *) object->object); | |
237 | FcObjectBucket **p; | |
238 | FcObjectBucket *b; | |
239 | FcObjectType *o; | |
240 | ||
241 | if (!FcObjectsInited) | |
242 | FcObjectInit (); | |
243 | for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
244 | { | |
245 | o = FcObjects + b->id - 1; | |
246 | if (b->hash == hash && !strcmp (object->object, o->object)) | |
247 | { | |
248 | *p = b->next; | |
249 | free (b); | |
250 | if (cleanobj) | |
251 | { | |
252 | /* Clean up object array */ | |
253 | o->object = NULL; | |
254 | o->type = -1; | |
255 | while (FcObjects[FcObjectsNumber-1].object == NULL) | |
256 | --FcObjectsNumber; | |
257 | } | |
258 | break; | |
259 | } | |
260 | } | |
261 | } | |
262 | ||
263 | FcBool | |
264 | FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes) | |
265 | { | |
266 | int i; | |
267 | ||
268 | for (i = 0; i < ntypes; i++) | |
269 | if (!FcObjectHashInsert (&types[i], FcTrue)) | |
270 | return FcFalse; | |
271 | return FcTrue; | |
272 | } | |
273 | ||
274 | FcBool | |
275 | FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes) | |
276 | { | |
277 | int i; | |
278 | ||
279 | for (i = 0; i < ntypes; i++) | |
280 | FcObjectHashRemove (&types[i], FcTrue); | |
281 | return FcTrue; | |
282 | } | |
283 | ||
284 | const FcObjectType * | |
285 | FcNameGetObjectType (const char *object) | |
286 | { | |
287 | return FcObjectFindByName (object, FcFalse); | |
288 | } | |
289 | ||
290 | FcBool | |
291 | FcObjectValidType (FcObject object, FcType type) | |
292 | { | |
293 | FcObjectType *t = FcObjectFindById (object); | |
294 | ||
295 | if (t) { | |
296 | switch (t->type) { | |
297 | case -1: | |
298 | return FcTrue; | |
299 | case FcTypeDouble: | |
300 | case FcTypeInteger: | |
301 | if (type == FcTypeDouble || type == FcTypeInteger) | |
302 | return FcTrue; | |
303 | break; | |
304 | case FcTypeLangSet: | |
305 | if (type == FcTypeLangSet || type == FcTypeString) | |
306 | return FcTrue; | |
307 | break; | |
308 | default: | |
309 | if (type == t->type) | |
310 | return FcTrue; | |
311 | break; | |
312 | } | |
313 | return FcFalse; | |
314 | } | |
315 | return FcTrue; | |
316 | } | |
317 | ||
318 | FcObject | |
319 | FcObjectFromName (const char * name) | |
320 | { | |
321 | FcObjectType *o = FcObjectFindByName (name, FcTrue); | |
322 | ||
323 | if (o) | |
324 | return FcObjectId (o); | |
325 | return 0; | |
326 | } | |
327 | ||
328 | FcBool | |
329 | FcObjectInit (void) | |
330 | { | |
331 | int i; | |
332 | ||
333 | if (FcObjectsInited) | |
334 | return FcTrue; | |
335 | ||
336 | FcObjectsInited = FcTrue; | |
337 | for (i = 0; i < NUM_OBJECT_TYPES; i++) | |
338 | if (!FcObjectHashInsert (&_FcBaseObjectTypes[i], FcFalse)) | |
339 | return FcFalse; | |
340 | return FcTrue; | |
341 | } | |
342 | ||
343 | void | |
344 | FcObjectFini (void) | |
345 | { | |
346 | int i; | |
347 | FcObjectBucket *b, *next; | |
348 | ||
349 | for (i = 0; i < OBJECT_HASH_SIZE; i++) | |
350 | { | |
351 | for (b = FcObjectBuckets[i]; b; b = next) | |
352 | { | |
353 | next = b->next; | |
354 | free (b); | |
355 | } | |
356 | FcObjectBuckets[i] = 0; | |
357 | } | |
358 | for (i = 0; i < FcObjectsNumber; i++) | |
359 | if (FcObjects[i].type == -1) | |
360 | free ((void*) FcObjects[i].object); | |
361 | if (FcObjects != _FcBaseObjectTypes) | |
362 | free (FcObjects); | |
363 | FcObjects = (FcObjectType *) _FcBaseObjectTypes; | |
364 | FcObjectsNumber = NUM_OBJECT_TYPES; | |
365 | FcObjectsSize = 0; | |
366 | FcObjectsInited = FcFalse; | |
367 | } | |
368 | ||
369 | const char * | |
370 | FcObjectName (FcObject object) | |
371 | { | |
372 | FcObjectType *o = FcObjectFindById (object); | |
373 | ||
374 | if (o) | |
375 | return o->object; | |
376 | return NULL; | |
377 | } | |
378 | ||
379 | static const FcConstant _FcBaseConstants[] = { | |
380 | { (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, }, | |
381 | { (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
382 | { (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
383 | { (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, }, | |
384 | { (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, }, | |
385 | { (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, }, | |
386 | { (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, }, | |
387 | { (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, }, | |
388 | { (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, }, | |
389 | { (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, }, | |
390 | { (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, }, | |
391 | { (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, }, | |
392 | { (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, }, | |
393 | ||
394 | { (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, }, | |
395 | { (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, }, | |
396 | { (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, }, | |
397 | ||
398 | { (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED }, | |
399 | { (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED }, | |
400 | { (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED }, | |
401 | { (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED }, | |
402 | { (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL }, | |
403 | { (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED }, | |
404 | { (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED }, | |
405 | { (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED }, | |
406 | { (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED }, | |
407 | ||
408 | { (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, }, | |
409 | { (FcChar8 *) "dual", "spacing", FC_DUAL, }, | |
410 | { (FcChar8 *) "mono", "spacing", FC_MONO, }, | |
411 | { (FcChar8 *) "charcell", "spacing", FC_CHARCELL, }, | |
412 | ||
413 | { (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN }, | |
414 | { (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, }, | |
415 | { (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, }, | |
416 | { (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB }, | |
417 | { (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR }, | |
418 | { (FcChar8 *) "none", "rgba", FC_RGBA_NONE }, | |
419 | ||
420 | { (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE }, | |
421 | { (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT }, | |
422 | { (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM }, | |
423 | { (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL }, | |
424 | }; | |
425 | ||
426 | #define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0]) | |
427 | ||
428 | typedef struct _FcConstantList FcConstantList; | |
429 | ||
430 | struct _FcConstantList { | |
431 | const FcConstantList *next; | |
432 | const FcConstant *consts; | |
433 | int nconsts; | |
434 | }; | |
435 | ||
436 | static const FcConstantList _FcBaseConstantList = { | |
437 | 0, | |
438 | _FcBaseConstants, | |
439 | NUM_FC_CONSTANTS | |
440 | }; | |
441 | ||
442 | static const FcConstantList *_FcConstants = &_FcBaseConstantList; | |
443 | ||
444 | FcBool | |
445 | FcNameRegisterConstants (const FcConstant *consts, int nconsts) | |
446 | { | |
447 | FcConstantList *l; | |
448 | ||
449 | l = (FcConstantList *) malloc (sizeof (FcConstantList)); | |
450 | if (!l) | |
451 | return FcFalse; | |
452 | FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList)); | |
453 | l->consts = consts; | |
454 | l->nconsts = nconsts; | |
455 | l->next = _FcConstants; | |
456 | _FcConstants = l; | |
457 | return FcTrue; | |
458 | } | |
459 | ||
460 | FcBool | |
461 | FcNameUnregisterConstants (const FcConstant *consts, int nconsts) | |
462 | { | |
463 | const FcConstantList *l, **prev; | |
464 | ||
465 | for (prev = &_FcConstants; | |
466 | (l = *prev); | |
467 | prev = (const FcConstantList **) &(l->next)) | |
468 | { | |
469 | if (l->consts == consts && l->nconsts == nconsts) | |
470 | { | |
471 | *prev = l->next; | |
472 | FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList)); | |
473 | free ((void *) l); | |
474 | return FcTrue; | |
475 | } | |
476 | } | |
477 | return FcFalse; | |
478 | } | |
479 | ||
480 | const FcConstant * | |
481 | FcNameGetConstant (FcChar8 *string) | |
482 | { | |
483 | const FcConstantList *l; | |
484 | int i; | |
485 | ||
486 | for (l = _FcConstants; l; l = l->next) | |
487 | { | |
488 | for (i = 0; i < l->nconsts; i++) | |
489 | if (!FcStrCmpIgnoreCase (string, l->consts[i].name)) | |
490 | return &l->consts[i]; | |
491 | } | |
492 | return 0; | |
493 | } | |
494 | ||
495 | FcBool | |
496 | FcNameConstant (FcChar8 *string, int *result) | |
497 | { | |
498 | const FcConstant *c; | |
499 | ||
500 | if ((c = FcNameGetConstant(string))) | |
501 | { | |
502 | *result = c->value; | |
503 | return FcTrue; | |
504 | } | |
505 | return FcFalse; | |
506 | } | |
507 | ||
508 | FcBool | |
509 | FcNameBool (const FcChar8 *v, FcBool *result) | |
510 | { | |
511 | char c0, c1; | |
512 | ||
513 | c0 = *v; | |
514 | c0 = FcToLower (c0); | |
515 | if (c0 == 't' || c0 == 'y' || c0 == '1') | |
516 | { | |
517 | *result = FcTrue; | |
518 | return FcTrue; | |
519 | } | |
520 | if (c0 == 'f' || c0 == 'n' || c0 == '0') | |
521 | { | |
522 | *result = FcFalse; | |
523 | return FcTrue; | |
524 | } | |
525 | if (c0 == 'o') | |
526 | { | |
527 | c1 = v[1]; | |
528 | c1 = FcToLower (c1); | |
529 | if (c1 == 'n') | |
530 | { | |
531 | *result = FcTrue; | |
532 | return FcTrue; | |
533 | } | |
534 | if (c1 == 'f') | |
535 | { | |
536 | *result = FcFalse; | |
537 | return FcTrue; | |
538 | } | |
539 | } | |
540 | return FcFalse; | |
541 | } | |
542 | ||
543 | static FcValue | |
544 | FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m) | |
545 | { | |
546 | FcValue v; | |
547 | ||
548 | v.type = type; | |
549 | switch (v.type) { | |
550 | case FcTypeInteger: | |
551 | if (!FcNameConstant (string, &v.u.i)) | |
552 | v.u.i = atoi ((char *) string); | |
553 | break; | |
554 | case FcTypeString: | |
555 | v.u.s = FcStrStaticName(string); | |
556 | break; | |
557 | case FcTypeBool: | |
558 | if (!FcNameBool (string, &v.u.b)) | |
559 | v.u.b = FcFalse; | |
560 | break; | |
561 | case FcTypeDouble: | |
562 | v.u.d = strtod ((char *) string, 0); | |
563 | break; | |
564 | case FcTypeMatrix: | |
565 | v.u.m = m; | |
566 | sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy); | |
567 | break; | |
568 | case FcTypeCharSet: | |
569 | v.u.c = FcNameParseCharSet (string); | |
570 | break; | |
571 | case FcTypeLangSet: | |
572 | v.u.l = FcNameParseLangSet (string); | |
573 | break; | |
574 | default: | |
575 | break; | |
576 | } | |
577 | return v; | |
578 | } | |
579 | ||
580 | static const FcChar8 * | |
581 | FcNameFindNext (const FcChar8 *cur, const char *delim, FcChar8 *save, FcChar8 *last) | |
582 | { | |
583 | FcChar8 c; | |
584 | ||
585 | while ((c = *cur)) | |
586 | { | |
587 | if (c == '\\') | |
588 | { | |
589 | ++cur; | |
590 | if (!(c = *cur)) | |
591 | break; | |
592 | } | |
593 | else if (strchr (delim, c)) | |
594 | break; | |
595 | ++cur; | |
596 | *save++ = c; | |
597 | } | |
598 | *save = 0; | |
599 | *last = *cur; | |
600 | if (*cur) | |
601 | cur++; | |
602 | return cur; | |
603 | } | |
604 | ||
605 | FcPattern * | |
606 | FcNameParse (const FcChar8 *name) | |
607 | { | |
608 | FcChar8 *save; | |
609 | FcPattern *pat; | |
610 | double d; | |
611 | FcChar8 *e; | |
612 | FcChar8 delim; | |
613 | FcValue v; | |
614 | FcMatrix m; | |
615 | const FcObjectType *t; | |
616 | const FcConstant *c; | |
617 | ||
618 | /* freed below */ | |
619 | save = malloc (strlen ((char *) name) + 1); | |
620 | if (!save) | |
621 | goto bail0; | |
622 | pat = FcPatternCreate (); | |
623 | if (!pat) | |
624 | goto bail1; | |
625 | ||
626 | for (;;) | |
627 | { | |
628 | name = FcNameFindNext (name, "-,:", save, &delim); | |
629 | if (save[0]) | |
630 | { | |
631 | if (!FcPatternAddString (pat, FC_FAMILY, save)) | |
632 | goto bail2; | |
633 | } | |
634 | if (delim != ',') | |
635 | break; | |
636 | } | |
637 | if (delim == '-') | |
638 | { | |
639 | for (;;) | |
640 | { | |
641 | name = FcNameFindNext (name, "-,:", save, &delim); | |
642 | d = strtod ((char *) save, (char **) &e); | |
643 | if (e != save) | |
644 | { | |
645 | if (!FcPatternAddDouble (pat, FC_SIZE, d)) | |
646 | goto bail2; | |
647 | } | |
648 | if (delim != ',') | |
649 | break; | |
650 | } | |
651 | } | |
652 | while (delim == ':') | |
653 | { | |
654 | name = FcNameFindNext (name, "=_:", save, &delim); | |
655 | if (save[0]) | |
656 | { | |
657 | if (delim == '=' || delim == '_') | |
658 | { | |
659 | t = FcNameGetObjectType ((char *) save); | |
660 | for (;;) | |
661 | { | |
662 | name = FcNameFindNext (name, ":,", save, &delim); | |
663 | if (t && strcmp (t->object, _FcBaseObjectTypes[0].object)) | |
664 | { | |
665 | v = FcNameConvert (t->type, save, &m); | |
666 | if (!FcPatternAdd (pat, t->object, v, FcTrue)) | |
667 | { | |
668 | switch (v.type) { | |
669 | case FcTypeCharSet: | |
670 | FcCharSetDestroy ((FcCharSet *) v.u.c); | |
671 | break; | |
672 | case FcTypeLangSet: | |
673 | FcLangSetDestroy ((FcLangSet *) v.u.l); | |
674 | break; | |
675 | default: | |
676 | break; | |
677 | } | |
678 | goto bail2; | |
679 | } | |
680 | switch (v.type) { | |
681 | case FcTypeCharSet: | |
682 | FcCharSetDestroy ((FcCharSet *) v.u.c); | |
683 | break; | |
684 | case FcTypeLangSet: | |
685 | FcLangSetDestroy ((FcLangSet *) v.u.l); | |
686 | break; | |
687 | default: | |
688 | break; | |
689 | } | |
690 | } | |
691 | if (delim != ',') | |
692 | break; | |
693 | } | |
694 | } | |
695 | else | |
696 | { | |
697 | if ((c = FcNameGetConstant (save))) | |
698 | { | |
699 | if (!FcPatternAddInteger (pat, c->object, c->value)) | |
700 | goto bail2; | |
701 | } | |
702 | } | |
703 | } | |
704 | } | |
705 | ||
706 | free (save); | |
707 | return pat; | |
708 | ||
709 | bail2: | |
710 | FcPatternDestroy (pat); | |
711 | bail1: | |
712 | free (save); | |
713 | bail0: | |
714 | return 0; | |
715 | } | |
716 | static FcBool | |
717 | FcNameUnparseString (FcStrBuf *buf, | |
718 | const FcChar8 *string, | |
719 | const FcChar8 *escape) | |
720 | { | |
721 | FcChar8 c; | |
722 | while ((c = *string++)) | |
723 | { | |
724 | if (escape && strchr ((char *) escape, (char) c)) | |
725 | { | |
726 | if (!FcStrBufChar (buf, escape[0])) | |
727 | return FcFalse; | |
728 | } | |
729 | if (!FcStrBufChar (buf, c)) | |
730 | return FcFalse; | |
731 | } | |
732 | return FcTrue; | |
733 | } | |
734 | ||
735 | static FcBool | |
736 | FcNameUnparseValue (FcStrBuf *buf, | |
737 | FcValue *v0, | |
738 | FcChar8 *escape) | |
739 | { | |
740 | FcChar8 temp[1024]; | |
741 | FcValue v = FcValueCanonicalize(v0); | |
742 | ||
743 | switch (v.type) { | |
744 | case FcTypeVoid: | |
745 | return FcTrue; | |
746 | case FcTypeInteger: | |
747 | sprintf ((char *) temp, "%d", v.u.i); | |
748 | return FcNameUnparseString (buf, temp, 0); | |
749 | case FcTypeDouble: | |
750 | sprintf ((char *) temp, "%g", v.u.d); | |
751 | return FcNameUnparseString (buf, temp, 0); | |
752 | case FcTypeString: | |
753 | return FcNameUnparseString (buf, v.u.s, escape); | |
754 | case FcTypeBool: | |
755 | return FcNameUnparseString (buf, v.u.b ? (FcChar8 *) "True" : (FcChar8 *) "False", 0); | |
756 | case FcTypeMatrix: | |
757 | sprintf ((char *) temp, "%g %g %g %g", | |
758 | v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy); | |
759 | return FcNameUnparseString (buf, temp, 0); | |
760 | case FcTypeCharSet: | |
761 | return FcNameUnparseCharSet (buf, v.u.c); | |
762 | case FcTypeLangSet: | |
763 | return FcNameUnparseLangSet (buf, v.u.l); | |
764 | case FcTypeFTFace: | |
765 | return FcTrue; | |
766 | } | |
767 | return FcFalse; | |
768 | } | |
769 | ||
770 | static FcBool | |
771 | FcNameUnparseValueList (FcStrBuf *buf, | |
772 | FcValueListPtr v, | |
773 | FcChar8 *escape) | |
774 | { | |
775 | while (v) | |
776 | { | |
777 | if (!FcNameUnparseValue (buf, &v->value, escape)) | |
778 | return FcFalse; | |
779 | if ((v = FcValueListNext(v)) != NULL) | |
780 | if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0)) | |
781 | return FcFalse; | |
782 | } | |
783 | return FcTrue; | |
784 | } | |
785 | ||
786 | #define FC_ESCAPE_FIXED "\\-:," | |
787 | #define FC_ESCAPE_VARIABLE "\\=_:," | |
788 | ||
789 | FcChar8 * | |
790 | FcNameUnparse (FcPattern *pat) | |
791 | { | |
792 | return FcNameUnparseEscaped (pat, FcTrue); | |
793 | } | |
794 | ||
795 | FcChar8 * | |
796 | FcNameUnparseEscaped (FcPattern *pat, FcBool escape) | |
797 | { | |
798 | FcStrBuf buf; | |
799 | FcChar8 buf_static[8192]; | |
800 | int i; | |
801 | FcPatternElt *e; | |
802 | const FcObjectTypeList *l; | |
803 | const FcObjectType *o; | |
804 | ||
805 | FcStrBufInit (&buf, buf_static, sizeof (buf_static)); | |
806 | e = FcPatternObjectFindElt (pat, FC_FAMILY_OBJECT); | |
807 | if (e) | |
808 | { | |
809 | if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0)) | |
810 | goto bail0; | |
811 | } | |
812 | e = FcPatternObjectFindElt (pat, FC_SIZE_OBJECT); | |
813 | if (e) | |
814 | { | |
815 | if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0)) | |
816 | goto bail0; | |
817 | if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0)) | |
818 | goto bail0; | |
819 | } | |
820 | for (l = _FcObjectTypes; l; l = l->next) | |
821 | { | |
822 | for (i = 0; i < l->ntypes; i++) | |
823 | { | |
824 | o = &l->types[i]; | |
825 | if (!strcmp (o->object, FC_FAMILY) || | |
826 | !strcmp (o->object, FC_SIZE) || | |
827 | !strcmp (o->object, FC_FILE)) | |
828 | continue; | |
829 | ||
830 | e = FcPatternObjectFindElt (pat, FcObjectFromName (o->object)); | |
831 | if (e) | |
832 | { | |
833 | if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0)) | |
834 | goto bail0; | |
835 | if (!FcNameUnparseString (&buf, (FcChar8 *) o->object, escape ? (FcChar8 *) FC_ESCAPE_VARIABLE : 0)) | |
836 | goto bail0; | |
837 | if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0)) | |
838 | goto bail0; | |
839 | if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? | |
840 | (FcChar8 *) FC_ESCAPE_VARIABLE : 0)) | |
841 | goto bail0; | |
842 | } | |
843 | } | |
844 | } | |
845 | return FcStrBufDone (&buf); | |
846 | bail0: | |
847 | FcStrBufDestroy (&buf); | |
848 | return 0; | |
849 | } |