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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 }, | |
77 | { FC_DECORATIVE, FcTypeBool }, /* 40 */ | |
78 | }; | |
79 | ||
80 | #define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0]) | |
81 | ||
82 | typedef struct _FcObjectTypeList FcObjectTypeList; | |
83 | ||
84 | struct _FcObjectTypeList { | |
85 | const FcObjectTypeList *next; | |
86 | const FcObjectType *types; | |
87 | int ntypes; | |
88 | }; | |
89 | ||
90 | static const FcObjectTypeList _FcBaseObjectTypesList = { | |
91 | 0, | |
92 | _FcBaseObjectTypes, | |
93 | NUM_OBJECT_TYPES, | |
94 | }; | |
95 | ||
96 | static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList; | |
97 | ||
98 | #define OBJECT_HASH_SIZE 31 | |
99 | ||
100 | typedef struct _FcObjectBucket { | |
101 | struct _FcObjectBucket *next; | |
102 | FcChar32 hash; | |
103 | FcObject id; | |
104 | } FcObjectBucket; | |
105 | ||
106 | static FcObjectBucket *FcObjectBuckets[OBJECT_HASH_SIZE]; | |
107 | ||
108 | static FcObjectType *FcObjects = (FcObjectType *) _FcBaseObjectTypes; | |
109 | static int FcObjectsNumber = NUM_OBJECT_TYPES; | |
110 | static int FcObjectsSize = 0; | |
111 | static FcBool FcObjectsInited; | |
112 | ||
113 | static FcObjectType * | |
114 | FcObjectInsert (const char *name, FcType type) | |
115 | { | |
116 | FcObjectType *o; | |
117 | if (FcObjectsNumber >= FcObjectsSize) | |
118 | { | |
119 | int newsize = FcObjectsNumber * 2; | |
120 | FcObjectType *newobjects; | |
121 | ||
122 | if (FcObjectsSize) | |
123 | newobjects = realloc (FcObjects, newsize * sizeof (FcObjectType)); | |
124 | else | |
125 | { | |
126 | newobjects = malloc (newsize * sizeof (FcObjectType)); | |
127 | if (newobjects) | |
128 | memcpy (newobjects, FcObjects, | |
129 | FcObjectsNumber * sizeof (FcObjectType)); | |
130 | } | |
131 | if (!newobjects) | |
132 | return NULL; | |
133 | FcObjects = newobjects; | |
134 | FcObjectsSize = newsize; | |
135 | } | |
136 | o = &FcObjects[FcObjectsNumber]; | |
137 | o->object = name; | |
138 | o->type = type; | |
139 | ++FcObjectsNumber; | |
140 | return o; | |
141 | } | |
142 | ||
143 | static FcObject | |
144 | FcObjectId (FcObjectType *o) | |
145 | { | |
146 | return o - FcObjects + 1; | |
147 | } | |
148 | ||
149 | static FcObjectType * | |
150 | FcObjectFindByName (const char *object, FcBool insert) | |
151 | { | |
152 | FcChar32 hash = FcStringHash ((const FcChar8 *) object); | |
153 | FcObjectBucket **p; | |
154 | FcObjectBucket *b; | |
155 | FcObjectType *o; | |
156 | ||
157 | if (!FcObjectsInited) | |
158 | FcObjectInit (); | |
159 | for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
160 | { | |
161 | o = FcObjects + b->id - 1; | |
162 | if (b->hash == hash && !strcmp (object, (o->object))) | |
163 | return o; | |
164 | } | |
165 | if (!insert) | |
166 | return NULL; | |
167 | /* | |
168 | * Hook it into the hash chain | |
169 | */ | |
170 | b = malloc (sizeof(FcObjectBucket)); | |
171 | if (!b) | |
172 | return NULL; | |
173 | object = (const char *) FcStrCopy ((FcChar8 *) object); | |
174 | if (!object) { | |
175 | free (b); | |
176 | return NULL; | |
177 | } | |
178 | o = FcObjectInsert (object, -1); | |
179 | b->next = NULL; | |
180 | b->hash = hash; | |
181 | b->id = FcObjectId (o); | |
182 | *p = b; | |
183 | return o; | |
184 | } | |
185 | ||
186 | static FcObjectType * | |
187 | FcObjectFindById (FcObject object) | |
188 | { | |
189 | if (1 <= object && object <= FcObjectsNumber) | |
190 | return FcObjects + object - 1; | |
191 | return NULL; | |
192 | } | |
193 | ||
194 | static FcBool | |
195 | FcObjectHashInsert (const FcObjectType *object, FcBool copy) | |
196 | { | |
197 | FcChar32 hash = FcStringHash ((const FcChar8 *) object->object); | |
198 | FcObjectBucket **p; | |
199 | FcObjectBucket *b; | |
200 | FcObjectType *o; | |
201 | ||
202 | if (!FcObjectsInited) | |
203 | FcObjectInit (); | |
204 | for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
205 | { | |
206 | o = FcObjects + b->id - 1; | |
207 | if (b->hash == hash && !strcmp (object->object, o->object)) | |
208 | return FcFalse; | |
209 | } | |
210 | /* | |
211 | * Hook it into the hash chain | |
212 | */ | |
213 | b = malloc (sizeof(FcObjectBucket)); | |
214 | if (!b) | |
215 | return FcFalse; | |
216 | if (copy) | |
217 | { | |
218 | o = FcObjectInsert (object->object, object->type); | |
219 | if (!o) | |
220 | { | |
221 | free (b); | |
222 | return FcFalse; | |
223 | } | |
224 | } | |
225 | else | |
226 | o = (FcObjectType *) object; | |
227 | b->next = NULL; | |
228 | b->hash = hash; | |
229 | b->id = FcObjectId (o); | |
230 | *p = b; | |
231 | return FcTrue; | |
232 | } | |
233 | ||
234 | static void | |
235 | FcObjectHashRemove (const FcObjectType *object, FcBool cleanobj) | |
236 | { | |
237 | FcChar32 hash = FcStringHash ((const FcChar8 *) object->object); | |
238 | FcObjectBucket **p; | |
239 | FcObjectBucket *b; | |
240 | FcObjectType *o; | |
241 | ||
242 | if (!FcObjectsInited) | |
243 | FcObjectInit (); | |
244 | for (p = &FcObjectBuckets[hash%OBJECT_HASH_SIZE]; (b = *p); p = &(b->next)) | |
245 | { | |
246 | o = FcObjects + b->id - 1; | |
247 | if (b->hash == hash && !strcmp (object->object, o->object)) | |
248 | { | |
249 | *p = b->next; | |
250 | free (b); | |
251 | if (cleanobj) | |
252 | { | |
253 | /* Clean up object array */ | |
254 | o->object = NULL; | |
255 | o->type = -1; | |
256 | while (FcObjects[FcObjectsNumber-1].object == NULL) | |
257 | --FcObjectsNumber; | |
258 | } | |
259 | break; | |
260 | } | |
261 | } | |
262 | } | |
263 | ||
264 | FcBool | |
265 | FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes) | |
266 | { | |
267 | int i; | |
268 | ||
269 | for (i = 0; i < ntypes; i++) | |
270 | if (!FcObjectHashInsert (&types[i], FcTrue)) | |
271 | return FcFalse; | |
272 | return FcTrue; | |
273 | } | |
274 | ||
275 | FcBool | |
276 | FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes) | |
277 | { | |
278 | int i; | |
279 | ||
280 | for (i = 0; i < ntypes; i++) | |
281 | FcObjectHashRemove (&types[i], FcTrue); | |
282 | return FcTrue; | |
283 | } | |
284 | ||
285 | const FcObjectType * | |
286 | FcNameGetObjectType (const char *object) | |
287 | { | |
288 | return FcObjectFindByName (object, FcFalse); | |
289 | } | |
290 | ||
291 | FcBool | |
292 | FcObjectValidType (FcObject object, FcType type) | |
293 | { | |
294 | FcObjectType *t = FcObjectFindById (object); | |
295 | ||
296 | if (t) { | |
297 | switch (t->type) { | |
298 | case -1: | |
299 | return FcTrue; | |
300 | case FcTypeDouble: | |
301 | case FcTypeInteger: | |
302 | if (type == FcTypeDouble || type == FcTypeInteger) | |
303 | return FcTrue; | |
304 | break; | |
305 | case FcTypeLangSet: | |
306 | if (type == FcTypeLangSet || type == FcTypeString) | |
307 | return FcTrue; | |
308 | break; | |
309 | default: | |
310 | if (type == t->type) | |
311 | return FcTrue; | |
312 | break; | |
313 | } | |
314 | return FcFalse; | |
315 | } | |
316 | return FcTrue; | |
317 | } | |
318 | ||
319 | FcObject | |
320 | FcObjectFromName (const char * name) | |
321 | { | |
322 | FcObjectType *o = FcObjectFindByName (name, FcTrue); | |
323 | ||
324 | if (o) | |
325 | return FcObjectId (o); | |
326 | return 0; | |
327 | } | |
328 | ||
329 | FcBool | |
330 | FcObjectInit (void) | |
331 | { | |
332 | int i; | |
333 | ||
334 | if (FcObjectsInited) | |
335 | return FcTrue; | |
336 | ||
337 | FcObjectsInited = FcTrue; | |
338 | for (i = 0; i < NUM_OBJECT_TYPES; i++) | |
339 | if (!FcObjectHashInsert (&_FcBaseObjectTypes[i], FcFalse)) | |
340 | return FcFalse; | |
341 | return FcTrue; | |
342 | } | |
343 | ||
344 | void | |
345 | FcObjectFini (void) | |
346 | { | |
347 | int i; | |
348 | FcObjectBucket *b, *next; | |
349 | ||
350 | for (i = 0; i < OBJECT_HASH_SIZE; i++) | |
351 | { | |
352 | for (b = FcObjectBuckets[i]; b; b = next) | |
353 | { | |
354 | next = b->next; | |
355 | free (b); | |
356 | } | |
357 | FcObjectBuckets[i] = 0; | |
358 | } | |
359 | for (i = 0; i < FcObjectsNumber; i++) | |
360 | if (FcObjects[i].type == -1) | |
361 | free ((void*) FcObjects[i].object); | |
362 | if (FcObjects != _FcBaseObjectTypes) | |
363 | free (FcObjects); | |
364 | FcObjects = (FcObjectType *) _FcBaseObjectTypes; | |
365 | FcObjectsNumber = NUM_OBJECT_TYPES; | |
366 | FcObjectsSize = 0; | |
367 | FcObjectsInited = FcFalse; | |
368 | } | |
369 | ||
370 | const char * | |
371 | FcObjectName (FcObject object) | |
372 | { | |
373 | FcObjectType *o = FcObjectFindById (object); | |
374 | ||
375 | if (o) | |
376 | return o->object; | |
377 | return NULL; | |
378 | } | |
379 | ||
380 | static const FcConstant _FcBaseConstants[] = { | |
381 | { (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, }, | |
382 | { (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
383 | { (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
384 | { (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, }, | |
385 | { (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, }, | |
386 | { (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, }, | |
387 | { (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, }, | |
388 | { (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, }, | |
389 | { (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, }, | |
390 | { (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, }, | |
391 | { (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, }, | |
392 | { (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, }, | |
393 | { (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, }, | |
394 | { (FcChar8 *) "heavy", "weight", FC_WEIGHT_HEAVY, }, | |
395 | ||
396 | { (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, }, | |
397 | { (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, }, | |
398 | { (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, }, | |
399 | ||
400 | { (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED }, | |
401 | { (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED }, | |
402 | { (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED }, | |
403 | { (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED }, | |
404 | { (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL }, | |
405 | { (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED }, | |
406 | { (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED }, | |
407 | { (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED }, | |
408 | { (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED }, | |
409 | ||
410 | { (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, }, | |
411 | { (FcChar8 *) "dual", "spacing", FC_DUAL, }, | |
412 | { (FcChar8 *) "mono", "spacing", FC_MONO, }, | |
413 | { (FcChar8 *) "charcell", "spacing", FC_CHARCELL, }, | |
414 | ||
415 | { (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN }, | |
416 | { (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, }, | |
417 | { (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, }, | |
418 | { (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB }, | |
419 | { (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR }, | |
420 | { (FcChar8 *) "none", "rgba", FC_RGBA_NONE }, | |
421 | ||
422 | { (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE }, | |
423 | { (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT }, | |
424 | { (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM }, | |
425 | { (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL }, | |
426 | ||
427 | { (FcChar8 *) "antialias", "antialias", FcTrue }, | |
428 | { (FcChar8 *) "hinting", "hinting", FcTrue }, | |
429 | { (FcChar8 *) "verticallayout", "verticallayout", FcTrue }, | |
430 | { (FcChar8 *) "autohint", "autohint", FcTrue }, | |
431 | { (FcChar8 *) "globaladvance", "globaladvance", FcTrue }, | |
432 | { (FcChar8 *) "outline", "outline", FcTrue }, | |
433 | { (FcChar8 *) "scalable", "scalable", FcTrue }, | |
434 | { (FcChar8 *) "minspace", "minspace", FcTrue }, | |
435 | { (FcChar8 *) "embolden", "embolden", FcTrue }, | |
436 | { (FcChar8 *) "embeddedbitmap", "embeddedbitmap", FcTrue }, | |
437 | { (FcChar8 *) "decorative", "decorative", FcTrue }, | |
438 | }; | |
439 | ||
440 | #define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0]) | |
441 | ||
442 | typedef struct _FcConstantList FcConstantList; | |
443 | ||
444 | struct _FcConstantList { | |
445 | const FcConstantList *next; | |
446 | const FcConstant *consts; | |
447 | int nconsts; | |
448 | }; | |
449 | ||
450 | static const FcConstantList _FcBaseConstantList = { | |
451 | 0, | |
452 | _FcBaseConstants, | |
453 | NUM_FC_CONSTANTS | |
454 | }; | |
455 | ||
456 | static const FcConstantList *_FcConstants = &_FcBaseConstantList; | |
457 | ||
458 | FcBool | |
459 | FcNameRegisterConstants (const FcConstant *consts, int nconsts) | |
460 | { | |
461 | FcConstantList *l; | |
462 | ||
463 | l = (FcConstantList *) malloc (sizeof (FcConstantList)); | |
464 | if (!l) | |
465 | return FcFalse; | |
466 | FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList)); | |
467 | l->consts = consts; | |
468 | l->nconsts = nconsts; | |
469 | l->next = _FcConstants; | |
470 | _FcConstants = l; | |
471 | return FcTrue; | |
472 | } | |
473 | ||
474 | FcBool | |
475 | FcNameUnregisterConstants (const FcConstant *consts, int nconsts) | |
476 | { | |
477 | const FcConstantList *l, **prev; | |
478 | ||
479 | for (prev = &_FcConstants; | |
480 | (l = *prev); | |
481 | prev = (const FcConstantList **) &(l->next)) | |
482 | { | |
483 | if (l->consts == consts && l->nconsts == nconsts) | |
484 | { | |
485 | *prev = l->next; | |
486 | FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList)); | |
487 | free ((void *) l); | |
488 | return FcTrue; | |
489 | } | |
490 | } | |
491 | return FcFalse; | |
492 | } | |
493 | ||
494 | const FcConstant * | |
495 | FcNameGetConstant (FcChar8 *string) | |
496 | { | |
497 | const FcConstantList *l; | |
498 | int i; | |
499 | ||
500 | for (l = _FcConstants; l; l = l->next) | |
501 | { | |
502 | for (i = 0; i < l->nconsts; i++) | |
503 | if (!FcStrCmpIgnoreCase (string, l->consts[i].name)) | |
504 | return &l->consts[i]; | |
505 | } | |
506 | return 0; | |
507 | } | |
508 | ||
509 | FcBool | |
510 | FcNameConstant (FcChar8 *string, int *result) | |
511 | { | |
512 | const FcConstant *c; | |
513 | ||
514 | if ((c = FcNameGetConstant(string))) | |
515 | { | |
516 | *result = c->value; | |
517 | return FcTrue; | |
518 | } | |
519 | return FcFalse; | |
520 | } | |
521 | ||
522 | FcBool | |
523 | FcNameBool (const FcChar8 *v, FcBool *result) | |
524 | { | |
525 | char c0, c1; | |
526 | ||
527 | c0 = *v; | |
528 | c0 = FcToLower (c0); | |
529 | if (c0 == 't' || c0 == 'y' || c0 == '1') | |
530 | { | |
531 | *result = FcTrue; | |
532 | return FcTrue; | |
533 | } | |
534 | if (c0 == 'f' || c0 == 'n' || c0 == '0') | |
535 | { | |
536 | *result = FcFalse; | |
537 | return FcTrue; | |
538 | } | |
539 | if (c0 == 'o') | |
540 | { | |
541 | c1 = v[1]; | |
542 | c1 = FcToLower (c1); | |
543 | if (c1 == 'n') | |
544 | { | |
545 | *result = FcTrue; | |
546 | return FcTrue; | |
547 | } | |
548 | if (c1 == 'f') | |
549 | { | |
550 | *result = FcFalse; | |
551 | return FcTrue; | |
552 | } | |
553 | } | |
554 | return FcFalse; | |
555 | } | |
556 | ||
557 | static FcValue | |
558 | FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m) | |
559 | { | |
560 | FcValue v; | |
561 | ||
562 | v.type = type; | |
563 | switch (v.type) { | |
564 | case FcTypeInteger: | |
565 | if (!FcNameConstant (string, &v.u.i)) | |
566 | v.u.i = atoi ((char *) string); | |
567 | break; | |
568 | case FcTypeString: | |
569 | v.u.s = FcStrStaticName(string); | |
570 | if (!v.u.s) | |
571 | v.type = FcTypeVoid; | |
572 | break; | |
573 | case FcTypeBool: | |
574 | if (!FcNameBool (string, &v.u.b)) | |
575 | v.u.b = FcFalse; | |
576 | break; | |
577 | case FcTypeDouble: | |
578 | v.u.d = strtod ((char *) string, 0); | |
579 | break; | |
580 | case FcTypeMatrix: | |
581 | v.u.m = m; | |
582 | sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy); | |
583 | break; | |
584 | case FcTypeCharSet: | |
585 | v.u.c = FcNameParseCharSet (string); | |
586 | if (!v.u.c) | |
587 | v.type = FcTypeVoid; | |
588 | break; | |
589 | case FcTypeLangSet: | |
590 | v.u.l = FcNameParseLangSet (string); | |
591 | if (!v.u.l) | |
592 | v.type = FcTypeVoid; | |
593 | break; | |
594 | default: | |
595 | break; | |
596 | } | |
597 | return v; | |
598 | } | |
599 | ||
600 | static const FcChar8 * | |
601 | FcNameFindNext (const FcChar8 *cur, const char *delim, FcChar8 *save, FcChar8 *last) | |
602 | { | |
603 | FcChar8 c; | |
604 | ||
605 | while ((c = *cur)) | |
606 | { | |
607 | if (c == '\\') | |
608 | { | |
609 | ++cur; | |
610 | if (!(c = *cur)) | |
611 | break; | |
612 | } | |
613 | else if (strchr (delim, c)) | |
614 | break; | |
615 | ++cur; | |
616 | *save++ = c; | |
617 | } | |
618 | *save = 0; | |
619 | *last = *cur; | |
620 | if (*cur) | |
621 | cur++; | |
622 | return cur; | |
623 | } | |
624 | ||
625 | FcPattern * | |
626 | FcNameParse (const FcChar8 *name) | |
627 | { | |
628 | FcChar8 *save; | |
629 | FcPattern *pat; | |
630 | double d; | |
631 | FcChar8 *e; | |
632 | FcChar8 delim; | |
633 | FcValue v; | |
634 | FcMatrix m; | |
635 | const FcObjectType *t; | |
636 | const FcConstant *c; | |
637 | ||
638 | /* freed below */ | |
639 | save = malloc (strlen ((char *) name) + 1); | |
640 | if (!save) | |
641 | goto bail0; | |
642 | pat = FcPatternCreate (); | |
643 | if (!pat) | |
644 | goto bail1; | |
645 | ||
646 | for (;;) | |
647 | { | |
648 | name = FcNameFindNext (name, "-,:", save, &delim); | |
649 | if (save[0]) | |
650 | { | |
651 | if (!FcPatternAddString (pat, FC_FAMILY, save)) | |
652 | goto bail2; | |
653 | } | |
654 | if (delim != ',') | |
655 | break; | |
656 | } | |
657 | if (delim == '-') | |
658 | { | |
659 | for (;;) | |
660 | { | |
661 | name = FcNameFindNext (name, "-,:", save, &delim); | |
662 | d = strtod ((char *) save, (char **) &e); | |
663 | if (e != save) | |
664 | { | |
665 | if (!FcPatternAddDouble (pat, FC_SIZE, d)) | |
666 | goto bail2; | |
667 | } | |
668 | if (delim != ',') | |
669 | break; | |
670 | } | |
671 | } | |
672 | while (delim == ':') | |
673 | { | |
674 | name = FcNameFindNext (name, "=_:", save, &delim); | |
675 | if (save[0]) | |
676 | { | |
677 | if (delim == '=' || delim == '_') | |
678 | { | |
679 | t = FcNameGetObjectType ((char *) save); | |
680 | for (;;) | |
681 | { | |
682 | name = FcNameFindNext (name, ":,", save, &delim); | |
683 | if (t) | |
684 | { | |
685 | v = FcNameConvert (t->type, save, &m); | |
686 | if (!FcPatternAdd (pat, t->object, v, FcTrue)) | |
687 | { | |
688 | switch (v.type) { | |
689 | case FcTypeCharSet: | |
690 | FcCharSetDestroy ((FcCharSet *) v.u.c); | |
691 | break; | |
692 | case FcTypeLangSet: | |
693 | FcLangSetDestroy ((FcLangSet *) v.u.l); | |
694 | break; | |
695 | default: | |
696 | break; | |
697 | } | |
698 | goto bail2; | |
699 | } | |
700 | switch (v.type) { | |
701 | case FcTypeCharSet: | |
702 | FcCharSetDestroy ((FcCharSet *) v.u.c); | |
703 | break; | |
704 | case FcTypeLangSet: | |
705 | FcLangSetDestroy ((FcLangSet *) v.u.l); | |
706 | break; | |
707 | default: | |
708 | break; | |
709 | } | |
710 | } | |
711 | if (delim != ',') | |
712 | break; | |
713 | } | |
714 | } | |
715 | else | |
716 | { | |
717 | if ((c = FcNameGetConstant (save))) | |
718 | { | |
719 | t = FcNameGetObjectType ((char *) c->object); | |
720 | switch (t->type) { | |
721 | case FcTypeInteger: | |
722 | case FcTypeDouble: | |
723 | if (!FcPatternAddInteger (pat, c->object, c->value)) | |
724 | goto bail2; | |
725 | break; | |
726 | case FcTypeBool: | |
727 | if (!FcPatternAddBool (pat, c->object, c->value)) | |
728 | goto bail2; | |
729 | break; | |
730 | default: | |
731 | break; | |
732 | } | |
733 | } | |
734 | } | |
735 | } | |
736 | } | |
737 | ||
738 | free (save); | |
739 | return pat; | |
740 | ||
741 | bail2: | |
742 | FcPatternDestroy (pat); | |
743 | bail1: | |
744 | free (save); | |
745 | bail0: | |
746 | return 0; | |
747 | } | |
748 | static FcBool | |
749 | FcNameUnparseString (FcStrBuf *buf, | |
750 | const FcChar8 *string, | |
751 | const FcChar8 *escape) | |
752 | { | |
753 | FcChar8 c; | |
754 | while ((c = *string++)) | |
755 | { | |
756 | if (escape && strchr ((char *) escape, (char) c)) | |
757 | { | |
758 | if (!FcStrBufChar (buf, escape[0])) | |
759 | return FcFalse; | |
760 | } | |
761 | if (!FcStrBufChar (buf, c)) | |
762 | return FcFalse; | |
763 | } | |
764 | return FcTrue; | |
765 | } | |
766 | ||
767 | static FcBool | |
768 | FcNameUnparseValue (FcStrBuf *buf, | |
769 | FcValue *v0, | |
770 | FcChar8 *escape) | |
771 | { | |
772 | FcChar8 temp[1024]; | |
773 | FcValue v = FcValueCanonicalize(v0); | |
774 | ||
775 | switch (v.type) { | |
776 | case FcTypeVoid: | |
777 | return FcTrue; | |
778 | case FcTypeInteger: | |
779 | sprintf ((char *) temp, "%d", v.u.i); | |
780 | return FcNameUnparseString (buf, temp, 0); | |
781 | case FcTypeDouble: | |
782 | sprintf ((char *) temp, "%g", v.u.d); | |
783 | return FcNameUnparseString (buf, temp, 0); | |
784 | case FcTypeString: | |
785 | return FcNameUnparseString (buf, v.u.s, escape); | |
786 | case FcTypeBool: | |
787 | return FcNameUnparseString (buf, v.u.b ? (FcChar8 *) "True" : (FcChar8 *) "False", 0); | |
788 | case FcTypeMatrix: | |
789 | sprintf ((char *) temp, "%g %g %g %g", | |
790 | v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy); | |
791 | return FcNameUnparseString (buf, temp, 0); | |
792 | case FcTypeCharSet: | |
793 | return FcNameUnparseCharSet (buf, v.u.c); | |
794 | case FcTypeLangSet: | |
795 | return FcNameUnparseLangSet (buf, v.u.l); | |
796 | case FcTypeFTFace: | |
797 | return FcTrue; | |
798 | } | |
799 | return FcFalse; | |
800 | } | |
801 | ||
802 | static FcBool | |
803 | FcNameUnparseValueList (FcStrBuf *buf, | |
804 | FcValueListPtr v, | |
805 | FcChar8 *escape) | |
806 | { | |
807 | while (v) | |
808 | { | |
809 | if (!FcNameUnparseValue (buf, &v->value, escape)) | |
810 | return FcFalse; | |
811 | if ((v = FcValueListNext(v)) != NULL) | |
812 | if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0)) | |
813 | return FcFalse; | |
814 | } | |
815 | return FcTrue; | |
816 | } | |
817 | ||
818 | #define FC_ESCAPE_FIXED "\\-:," | |
819 | #define FC_ESCAPE_VARIABLE "\\=_:," | |
820 | ||
821 | FcChar8 * | |
822 | FcNameUnparse (FcPattern *pat) | |
823 | { | |
824 | return FcNameUnparseEscaped (pat, FcTrue); | |
825 | } | |
826 | ||
827 | FcChar8 * | |
828 | FcNameUnparseEscaped (FcPattern *pat, FcBool escape) | |
829 | { | |
830 | FcStrBuf buf; | |
831 | FcChar8 buf_static[8192]; | |
832 | int i; | |
833 | FcPatternElt *e; | |
834 | const FcObjectTypeList *l; | |
835 | const FcObjectType *o; | |
836 | ||
837 | FcStrBufInit (&buf, buf_static, sizeof (buf_static)); | |
838 | e = FcPatternObjectFindElt (pat, FC_FAMILY_OBJECT); | |
839 | if (e) | |
840 | { | |
841 | if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0)) | |
842 | goto bail0; | |
843 | } | |
844 | e = FcPatternObjectFindElt (pat, FC_SIZE_OBJECT); | |
845 | if (e) | |
846 | { | |
847 | if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0)) | |
848 | goto bail0; | |
849 | if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0)) | |
850 | goto bail0; | |
851 | } | |
852 | for (l = _FcObjectTypes; l; l = l->next) | |
853 | { | |
854 | for (i = 0; i < l->ntypes; i++) | |
855 | { | |
856 | o = &l->types[i]; | |
857 | if (!strcmp (o->object, FC_FAMILY) || | |
858 | !strcmp (o->object, FC_SIZE) || | |
859 | !strcmp (o->object, FC_FILE)) | |
860 | continue; | |
861 | ||
862 | e = FcPatternObjectFindElt (pat, FcObjectFromName (o->object)); | |
863 | if (e) | |
864 | { | |
865 | if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0)) | |
866 | goto bail0; | |
867 | if (!FcNameUnparseString (&buf, (FcChar8 *) o->object, escape ? (FcChar8 *) FC_ESCAPE_VARIABLE : 0)) | |
868 | goto bail0; | |
869 | if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0)) | |
870 | goto bail0; | |
871 | if (!FcNameUnparseValueList (&buf, FcPatternEltValues(e), escape ? | |
872 | (FcChar8 *) FC_ESCAPE_VARIABLE : 0)) | |
873 | goto bail0; | |
874 | } | |
875 | } | |
876 | } | |
877 | return FcStrBufDone (&buf); | |
878 | bail0: | |
879 | FcStrBufDestroy (&buf); | |
880 | return 0; | |
881 | } | |
882 | #define __fcname__ | |
883 | #include "fcaliastail.h" | |
884 | #undef __fcname__ |