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24330d27 | 1 | /* |
94421e40 | 2 | * $RCSId: xc/lib/fontconfig/src/fcname.c,v 1.15 2002/09/26 00:17:28 keithp 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 <ctype.h> | |
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
28 | #include <stdio.h> | |
29 | #include "fcint.h" | |
30 | ||
7f37423d | 31 | /* Please do not revoke any of these bindings. */ |
24330d27 | 32 | static const FcObjectType _FcBaseObjectTypes[] = { |
14143250 | 33 | { "__DUMMY__", FcTypeVoid, }, |
24330d27 | 34 | { FC_FAMILY, FcTypeString, }, |
4f27c1c0 | 35 | { FC_FAMILYLANG, FcTypeString, }, |
24330d27 | 36 | { FC_STYLE, FcTypeString, }, |
4f27c1c0 KP |
37 | { FC_STYLELANG, FcTypeString, }, |
38 | { FC_FULLNAME, FcTypeString, }, | |
39 | { FC_FULLNAMELANG, FcTypeString, }, | |
24330d27 KP |
40 | { FC_SLANT, FcTypeInteger, }, |
41 | { FC_WEIGHT, FcTypeInteger, }, | |
81fa16c3 | 42 | { FC_WIDTH, FcTypeInteger, }, |
24330d27 | 43 | { FC_SIZE, FcTypeDouble, }, |
2a41214a | 44 | { FC_ASPECT, FcTypeDouble, }, |
24330d27 KP |
45 | { FC_PIXEL_SIZE, FcTypeDouble, }, |
46 | { FC_SPACING, FcTypeInteger, }, | |
47 | { FC_FOUNDRY, FcTypeString, }, | |
48 | /* { FC_CORE, FcTypeBool, }, */ | |
49 | { FC_ANTIALIAS, FcTypeBool, }, | |
f077d662 | 50 | { FC_HINT_STYLE, FcTypeInteger, }, |
4c003605 KP |
51 | { FC_HINTING, FcTypeBool, }, |
52 | { FC_VERTICAL_LAYOUT, FcTypeBool, }, | |
53 | { FC_AUTOHINT, FcTypeBool, }, | |
54 | { FC_GLOBAL_ADVANCE, FcTypeBool, }, | |
24330d27 KP |
55 | /* { FC_XLFD, FcTypeString, }, */ |
56 | { FC_FILE, FcTypeString, }, | |
57 | { FC_INDEX, FcTypeInteger, }, | |
58 | { FC_RASTERIZER, FcTypeString, }, | |
59 | { FC_OUTLINE, FcTypeBool, }, | |
60 | { FC_SCALABLE, FcTypeBool, }, | |
4c003605 | 61 | { FC_DPI, FcTypeDouble }, |
24330d27 KP |
62 | { FC_RGBA, FcTypeInteger, }, |
63 | { FC_SCALE, FcTypeDouble, }, | |
24330d27 | 64 | { FC_MINSPACE, FcTypeBool, }, |
13cdf607 | 65 | /* { FC_RENDER, FcTypeBool, },*/ |
24330d27 KP |
66 | { FC_CHAR_WIDTH, FcTypeInteger }, |
67 | { FC_CHAR_HEIGHT, FcTypeInteger }, | |
68 | { FC_MATRIX, FcTypeMatrix }, | |
69 | { FC_CHARSET, FcTypeCharSet }, | |
d8d73958 | 70 | { FC_LANG, FcTypeLangSet }, |
a342e87d | 71 | { FC_FONTVERSION, FcTypeInteger }, |
dbf68dd5 | 72 | { FC_CAPABILITY, FcTypeString }, |
537e3d23 | 73 | { FC_FONTFORMAT, FcTypeString }, |
414f7202 | 74 | { FC_EMBOLDEN, FcTypeBool }, |
720298e7 | 75 | { FC_EMBEDDED_BITMAP, FcTypeBool }, |
24330d27 KP |
76 | }; |
77 | ||
78 | #define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0]) | |
79 | ||
13cdf607 PL |
80 | static FcObjectType * _FcUserObjectNames = 0; |
81 | static int user_obj_alloc = 0; | |
14143250 | 82 | static int next_basic_offset = NUM_OBJECT_TYPES; |
13cdf607 | 83 | |
24330d27 KP |
84 | typedef struct _FcObjectTypeList FcObjectTypeList; |
85 | ||
86 | struct _FcObjectTypeList { | |
87 | const FcObjectTypeList *next; | |
88 | const FcObjectType *types; | |
89 | int ntypes; | |
14143250 | 90 | int basic_offset; |
24330d27 KP |
91 | }; |
92 | ||
93 | static const FcObjectTypeList _FcBaseObjectTypesList = { | |
94 | 0, | |
95 | _FcBaseObjectTypes, | |
96 | NUM_OBJECT_TYPES | |
97 | }; | |
98 | ||
99 | static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList; | |
100 | ||
101 | FcBool | |
102 | FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes) | |
103 | { | |
104 | FcObjectTypeList *l; | |
105 | ||
106 | l = (FcObjectTypeList *) malloc (sizeof (FcObjectTypeList)); | |
107 | if (!l) | |
108 | return FcFalse; | |
9dac3c59 | 109 | FcMemAlloc (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList)); |
24330d27 KP |
110 | l->types = types; |
111 | l->ntypes = ntypes; | |
112 | l->next = _FcObjectTypes; | |
14143250 PL |
113 | l->basic_offset = next_basic_offset; |
114 | next_basic_offset += ntypes; | |
24330d27 KP |
115 | _FcObjectTypes = l; |
116 | return FcTrue; | |
117 | } | |
118 | ||
7f37423d PL |
119 | static FcBool |
120 | FcNameUnregisterObjectTypesFree (const FcObjectType *types, int ntypes, | |
121 | FcBool do_free) | |
24330d27 KP |
122 | { |
123 | const FcObjectTypeList *l, **prev; | |
124 | ||
125 | for (prev = &_FcObjectTypes; | |
126 | (l = *prev); | |
127 | prev = (const FcObjectTypeList **) &(l->next)) | |
128 | { | |
129 | if (l->types == types && l->ntypes == ntypes) | |
130 | { | |
131 | *prev = l->next; | |
7f37423d PL |
132 | if (do_free) { |
133 | FcMemFree (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList)); | |
134 | free ((void *) l); | |
135 | } | |
24330d27 KP |
136 | return FcTrue; |
137 | } | |
138 | } | |
139 | return FcFalse; | |
140 | } | |
141 | ||
7f37423d PL |
142 | FcBool |
143 | FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes) | |
144 | { | |
145 | return FcNameUnregisterObjectTypesFree (types, ntypes, FcTrue); | |
146 | } | |
147 | ||
24330d27 KP |
148 | const FcObjectType * |
149 | FcNameGetObjectType (const char *object) | |
150 | { | |
151 | int i; | |
152 | const FcObjectTypeList *l; | |
153 | const FcObjectType *t; | |
154 | ||
155 | for (l = _FcObjectTypes; l; l = l->next) | |
156 | { | |
157 | for (i = 0; i < l->ntypes; i++) | |
158 | { | |
159 | t = &l->types[i]; | |
bc9469ba | 160 | if (!strcmp (object, t->object)) |
24330d27 KP |
161 | return t; |
162 | } | |
163 | } | |
164 | return 0; | |
165 | } | |
166 | ||
13cdf607 PL |
167 | #define OBJECT_HASH_SIZE 31 |
168 | struct objectBucket { | |
169 | struct objectBucket *next; | |
170 | FcChar32 hash; | |
171 | int id; | |
172 | }; | |
173 | static struct objectBucket *FcObjectBuckets[OBJECT_HASH_SIZE]; | |
174 | ||
14143250 PL |
175 | /* Design constraint: biggest_known_ntypes must never change |
176 | * after any call to FcNameRegisterObjectTypes. */ | |
13cdf607 PL |
177 | static const FcObjectType *biggest_known_types = _FcBaseObjectTypes; |
178 | static FcBool allocated_biggest_known_types; | |
179 | static int biggest_known_ntypes = NUM_OBJECT_TYPES; | |
180 | static int biggest_known_count = 0; | |
181 | static char * biggest_ptr; | |
182 | ||
183 | ||
7f37423d PL |
184 | static FcObjectPtr |
185 | FcObjectToPtrLookup (const char * object) | |
4262e0b3 | 186 | { |
13cdf607 | 187 | FcObjectPtr i = 0, n; |
4262e0b3 | 188 | const FcObjectTypeList *l; |
13cdf607 | 189 | FcObjectType *t = _FcUserObjectNames; |
7f37423d | 190 | |
4262e0b3 PL |
191 | for (l = _FcObjectTypes; l; l = l->next) |
192 | { | |
193 | for (i = 0; i < l->ntypes; i++) | |
194 | { | |
13cdf607 | 195 | t = (FcObjectType *)&l->types[i]; |
4262e0b3 | 196 | if (!strcmp (object, t->object)) |
13cdf607 PL |
197 | { |
198 | if (l == (FcObjectTypeList*)_FcUserObjectNames) | |
14143250 | 199 | return -i; |
13cdf607 | 200 | else |
14143250 | 201 | return l->basic_offset + i; |
13cdf607 | 202 | } |
4262e0b3 PL |
203 | } |
204 | } | |
4262e0b3 | 205 | |
13cdf607 PL |
206 | /* We didn't match. Look for the correct FcObjectTypeList |
207 | * to replace it in-place. */ | |
208 | for (l = _FcObjectTypes; l; l = l->next) | |
209 | { | |
210 | if (l->types == _FcUserObjectNames) | |
211 | break; | |
212 | } | |
7f37423d | 213 | |
13cdf607 PL |
214 | if (!_FcUserObjectNames || |
215 | (l && l->types == _FcUserObjectNames && user_obj_alloc < l->ntypes)) | |
216 | { | |
217 | int nt = user_obj_alloc + 4; | |
218 | FcObjectType * t = realloc (_FcUserObjectNames, | |
219 | nt * sizeof (FcObjectType)); | |
220 | if (!t) | |
14143250 | 221 | return 0; |
13cdf607 PL |
222 | _FcUserObjectNames = t; |
223 | user_obj_alloc = nt; | |
224 | } | |
225 | ||
226 | if (l && l->types == _FcUserObjectNames) | |
227 | { | |
228 | n = l->ntypes; | |
229 | FcNameUnregisterObjectTypesFree (l->types, l->ntypes, FcFalse); | |
230 | } | |
231 | else | |
232 | n = 0; | |
233 | ||
234 | FcNameRegisterObjectTypes (_FcUserObjectNames, n+1); | |
235 | ||
236 | for (l = _FcObjectTypes; l; l = l->next) | |
237 | { | |
238 | if (l->types == _FcUserObjectNames) | |
239 | { | |
240 | t = (FcObjectType *)l->types; | |
241 | break; | |
242 | } | |
243 | } | |
244 | ||
245 | if (!t) | |
246 | return 0; | |
247 | ||
248 | t[n].object = object; | |
249 | t[n].type = FcTypeVoid; | |
250 | ||
14143250 | 251 | return -n; |
13cdf607 | 252 | } |
7f37423d PL |
253 | |
254 | FcObjectPtr | |
255 | FcObjectToPtr (const char * name) | |
256 | { | |
257 | FcChar32 hash = FcStringHash ((const FcChar8 *) name); | |
258 | struct objectBucket **p; | |
259 | struct objectBucket *b; | |
260 | int size; | |
261 | ||
262 | for (p = &FcObjectBuckets[hash % OBJECT_HASH_SIZE]; (b = *p); p = &(b->next) | |
263 | ) | |
264 | if (b->hash == hash && !strcmp (name, (char *) (b + 1))) | |
265 | return b->id; | |
266 | size = sizeof (struct objectBucket) + strlen (name) + 1; | |
23787a8f PL |
267 | /* workaround glibc bug which reads strlen in groups of 4 */ |
268 | b = malloc (size + sizeof (int)); | |
269 | FcMemAlloc (FC_MEM_STATICSTR, size + sizeof(int)); | |
7f37423d | 270 | if (!b) |
14143250 | 271 | return 0; |
7f37423d PL |
272 | b->next = 0; |
273 | b->hash = hash; | |
274 | b->id = FcObjectToPtrLookup (name); | |
275 | strcpy ((char *) (b + 1), name); | |
276 | *p = b; | |
277 | return b->id; | |
278 | } | |
279 | ||
280 | void | |
281 | FcObjectStaticNameFini (void) | |
282 | { | |
283 | int i, size; | |
284 | struct objectBucket *b, *next; | |
285 | char *name; | |
286 | ||
287 | for (i = 0; i < OBJECT_HASH_SIZE; i++) | |
288 | { | |
289 | for (b = FcObjectBuckets[i]; b; b = next) | |
290 | { | |
291 | next = b->next; | |
292 | name = (char *) (b + 1); | |
293 | size = sizeof (struct objectBucket) + strlen (name) + 1; | |
294 | FcMemFree (FC_MEM_STATICSTR, size); | |
295 | free (b); | |
296 | } | |
297 | FcObjectBuckets[i] = 0; | |
298 | } | |
299 | } | |
300 | ||
4262e0b3 PL |
301 | const char * |
302 | FcObjectPtrU (FcObjectPtr si) | |
303 | { | |
14143250 PL |
304 | const FcObjectTypeList *l; |
305 | int i, j; | |
306 | ||
307 | if (si > 0) | |
308 | { | |
309 | if (si < biggest_known_ntypes) | |
310 | return biggest_known_types[si].object; | |
311 | ||
312 | j = 0; | |
313 | for (l = _FcObjectTypes; l; l = l->next) | |
314 | for (i = 0; i < l->ntypes; i++, j++) | |
315 | if (j == si) | |
316 | return l->types[i].object; | |
317 | } | |
318 | ||
319 | return _FcUserObjectNames[-si].object; | |
4262e0b3 PL |
320 | } |
321 | ||
322 | int | |
7f37423d | 323 | FcObjectNeededBytes () |
4262e0b3 | 324 | { |
7f37423d PL |
325 | int num = 0, i; |
326 | for (i = 0; i < biggest_known_ntypes; i++) | |
327 | { | |
328 | const char * t = biggest_known_types[i].object; | |
329 | num = num + strlen(t) + 1; | |
330 | } | |
331 | biggest_known_count = num; | |
332 | return num + sizeof(int); | |
4262e0b3 PL |
333 | } |
334 | ||
7fd7221e PL |
335 | int |
336 | FcObjectNeededBytesAlign (void) | |
337 | { | |
338 | return __alignof__ (int) + __alignof__ (char); | |
339 | } | |
340 | ||
4262e0b3 PL |
341 | void * |
342 | FcObjectDistributeBytes (FcCache * metadata, void * block_ptr) | |
343 | { | |
7fd7221e | 344 | block_ptr = ALIGN (block_ptr, int); |
1c5b6345 | 345 | *(int *)block_ptr = biggest_known_ntypes; |
7f37423d | 346 | block_ptr = (int *) block_ptr + 1; |
7fd7221e | 347 | block_ptr = ALIGN (block_ptr, char); |
1c5b6345 | 348 | biggest_ptr = block_ptr; |
7f37423d | 349 | block_ptr = (char *) block_ptr + biggest_known_count; |
4262e0b3 PL |
350 | return block_ptr; |
351 | } | |
352 | ||
7f37423d PL |
353 | void |
354 | FcObjectSerialize () | |
4262e0b3 | 355 | { |
7f37423d PL |
356 | int i; |
357 | for (i = 0; i < biggest_known_ntypes; i++) | |
358 | { | |
359 | const char * t = biggest_known_types[i].object; | |
360 | strcpy (biggest_ptr, t); | |
361 | biggest_ptr = biggest_ptr + strlen(t) + 1; | |
362 | } | |
4262e0b3 PL |
363 | } |
364 | ||
7f37423d PL |
365 | void * |
366 | FcObjectUnserialize (FcCache metadata, void *block_ptr) | |
4262e0b3 | 367 | { |
7f37423d PL |
368 | int new_biggest; |
369 | new_biggest = *(int *)block_ptr; | |
1c5b6345 | 370 | block_ptr = ALIGN (block_ptr, int); |
7f37423d PL |
371 | block_ptr = (int *) block_ptr + 1; |
372 | if (biggest_known_ntypes < new_biggest) | |
373 | { | |
374 | int i; | |
375 | char * bp = (char *)block_ptr; | |
376 | FcObjectType * bn; | |
377 | FcObjectTypeList * bnl; | |
378 | ||
379 | bn = malloc (sizeof (const FcObjectType) * (new_biggest + 1)); | |
380 | if (!bn) | |
381 | return 0; | |
382 | ||
383 | bnl = malloc (sizeof (FcObjectTypeList)); | |
384 | if (!bnl) | |
385 | { | |
386 | free (bn); | |
387 | return 0; | |
388 | } | |
389 | ||
390 | for (i = 0; i < new_biggest; i++) | |
391 | { | |
392 | const FcObjectType * t = FcNameGetObjectType(bp); | |
393 | if (t) | |
394 | bn[i].type = t->type; | |
395 | else | |
396 | bn[i].type = FcTypeVoid; | |
397 | bn[i].object = bp; | |
398 | bp = bp + strlen(bp) + 1; | |
399 | } | |
400 | ||
401 | FcNameUnregisterObjectTypesFree (biggest_known_types, biggest_known_ntypes, FcFalse); | |
402 | if (allocated_biggest_known_types) | |
403 | { | |
404 | free ((FcObjectTypeList *)biggest_known_types); | |
405 | } | |
406 | else | |
407 | allocated_biggest_known_types = FcTrue; | |
408 | ||
409 | FcNameRegisterObjectTypes (bn, new_biggest); | |
410 | biggest_known_ntypes = new_biggest; | |
411 | biggest_known_types = (const FcObjectType *)bn; | |
412 | } | |
1c5b6345 | 413 | block_ptr = ALIGN (block_ptr, char); |
7f37423d PL |
414 | block_ptr = (char *) block_ptr + biggest_known_count; |
415 | return block_ptr; | |
4262e0b3 PL |
416 | } |
417 | ||
418 | int | |
419 | FcObjectPtrCompare (const FcObjectPtr a, const FcObjectPtr b) | |
420 | { | |
421 | return a - b; | |
422 | } | |
423 | ||
24330d27 | 424 | static const FcConstant _FcBaseConstants[] = { |
81fa16c3 KP |
425 | { (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, }, |
426 | { (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
427 | { (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
ccb3e93b | 428 | { (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, }, |
1f71c4d8 | 429 | { (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, }, |
81fa16c3 | 430 | { (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, }, |
ccb3e93b KP |
431 | { (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, }, |
432 | { (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, }, | |
81fa16c3 | 433 | { (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, }, |
ccb3e93b | 434 | { (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, }, |
81fa16c3 KP |
435 | { (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, }, |
436 | { (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, }, | |
ccb3e93b KP |
437 | { (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, }, |
438 | ||
439 | { (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, }, | |
440 | { (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, }, | |
441 | { (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, }, | |
442 | ||
81fa16c3 KP |
443 | { (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED }, |
444 | { (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED }, | |
445 | { (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED }, | |
446 | { (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED }, | |
447 | { (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL }, | |
448 | { (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED }, | |
449 | { (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED }, | |
450 | { (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED }, | |
451 | { (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED }, | |
452 | ||
ccb3e93b | 453 | { (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, }, |
a05d257f | 454 | { (FcChar8 *) "dual", "spacing", FC_DUAL, }, |
ccb3e93b KP |
455 | { (FcChar8 *) "mono", "spacing", FC_MONO, }, |
456 | { (FcChar8 *) "charcell", "spacing", FC_CHARCELL, }, | |
457 | ||
1852d490 | 458 | { (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN }, |
ccb3e93b KP |
459 | { (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, }, |
460 | { (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, }, | |
461 | { (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB }, | |
462 | { (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR }, | |
1852d490 | 463 | { (FcChar8 *) "none", "rgba", FC_RGBA_NONE }, |
f077d662 OT |
464 | |
465 | { (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE }, | |
466 | { (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT }, | |
467 | { (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM }, | |
468 | { (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL }, | |
24330d27 KP |
469 | }; |
470 | ||
471 | #define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0]) | |
472 | ||
473 | typedef struct _FcConstantList FcConstantList; | |
474 | ||
475 | struct _FcConstantList { | |
476 | const FcConstantList *next; | |
477 | const FcConstant *consts; | |
478 | int nconsts; | |
479 | }; | |
480 | ||
481 | static const FcConstantList _FcBaseConstantList = { | |
482 | 0, | |
483 | _FcBaseConstants, | |
484 | NUM_FC_CONSTANTS | |
485 | }; | |
486 | ||
487 | static const FcConstantList *_FcConstants = &_FcBaseConstantList; | |
488 | ||
489 | FcBool | |
490 | FcNameRegisterConstants (const FcConstant *consts, int nconsts) | |
491 | { | |
492 | FcConstantList *l; | |
493 | ||
494 | l = (FcConstantList *) malloc (sizeof (FcConstantList)); | |
495 | if (!l) | |
496 | return FcFalse; | |
9dac3c59 | 497 | FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList)); |
24330d27 KP |
498 | l->consts = consts; |
499 | l->nconsts = nconsts; | |
500 | l->next = _FcConstants; | |
501 | _FcConstants = l; | |
502 | return FcTrue; | |
503 | } | |
504 | ||
505 | FcBool | |
506 | FcNameUnregisterConstants (const FcConstant *consts, int nconsts) | |
507 | { | |
508 | const FcConstantList *l, **prev; | |
509 | ||
510 | for (prev = &_FcConstants; | |
511 | (l = *prev); | |
512 | prev = (const FcConstantList **) &(l->next)) | |
513 | { | |
514 | if (l->consts == consts && l->nconsts == nconsts) | |
515 | { | |
516 | *prev = l->next; | |
9dac3c59 | 517 | FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList)); |
24330d27 KP |
518 | free ((void *) l); |
519 | return FcTrue; | |
520 | } | |
521 | } | |
522 | return FcFalse; | |
523 | } | |
524 | ||
525 | const FcConstant * | |
ccb3e93b | 526 | FcNameGetConstant (FcChar8 *string) |
24330d27 KP |
527 | { |
528 | const FcConstantList *l; | |
529 | int i; | |
94421e40 | 530 | |
24330d27 KP |
531 | for (l = _FcConstants; l; l = l->next) |
532 | { | |
533 | for (i = 0; i < l->nconsts; i++) | |
534 | if (!FcStrCmpIgnoreCase (string, l->consts[i].name)) | |
535 | return &l->consts[i]; | |
536 | } | |
537 | return 0; | |
538 | } | |
539 | ||
540 | FcBool | |
ccb3e93b | 541 | FcNameConstant (FcChar8 *string, int *result) |
24330d27 KP |
542 | { |
543 | const FcConstant *c; | |
544 | ||
545 | if ((c = FcNameGetConstant(string))) | |
546 | { | |
547 | *result = c->value; | |
548 | return FcTrue; | |
549 | } | |
550 | return FcFalse; | |
551 | } | |
552 | ||
553 | FcBool | |
ca60d2b5 | 554 | FcNameBool (const FcChar8 *v, FcBool *result) |
24330d27 KP |
555 | { |
556 | char c0, c1; | |
557 | ||
558 | c0 = *v; | |
94421e40 | 559 | c0 = FcToLower (c0); |
24330d27 KP |
560 | if (c0 == 't' || c0 == 'y' || c0 == '1') |
561 | { | |
562 | *result = FcTrue; | |
563 | return FcTrue; | |
564 | } | |
565 | if (c0 == 'f' || c0 == 'n' || c0 == '0') | |
566 | { | |
567 | *result = FcFalse; | |
568 | return FcTrue; | |
569 | } | |
570 | if (c0 == 'o') | |
571 | { | |
572 | c1 = v[1]; | |
94421e40 | 573 | c1 = FcToLower (c1); |
24330d27 KP |
574 | if (c1 == 'n') |
575 | { | |
576 | *result = FcTrue; | |
577 | return FcTrue; | |
578 | } | |
579 | if (c1 == 'f') | |
580 | { | |
581 | *result = FcFalse; | |
582 | return FcTrue; | |
583 | } | |
584 | } | |
585 | return FcFalse; | |
586 | } | |
587 | ||
588 | static FcValue | |
ccb3e93b | 589 | FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m) |
24330d27 KP |
590 | { |
591 | FcValue v; | |
592 | ||
593 | v.type = type; | |
594 | switch (v.type) { | |
595 | case FcTypeInteger: | |
596 | if (!FcNameConstant (string, &v.u.i)) | |
ccb3e93b | 597 | v.u.i = atoi ((char *) string); |
24330d27 KP |
598 | break; |
599 | case FcTypeString: | |
7f37423d | 600 | v.u.s = FcStrStaticName(string); |
24330d27 KP |
601 | break; |
602 | case FcTypeBool: | |
603 | if (!FcNameBool (string, &v.u.b)) | |
604 | v.u.b = FcFalse; | |
605 | break; | |
606 | case FcTypeDouble: | |
ccb3e93b | 607 | v.u.d = strtod ((char *) string, 0); |
24330d27 KP |
608 | break; |
609 | case FcTypeMatrix: | |
4262e0b3 | 610 | v.u.m = m; |
ccb3e93b | 611 | sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy); |
24330d27 KP |
612 | break; |
613 | case FcTypeCharSet: | |
4262e0b3 | 614 | v.u.c = FcNameParseCharSet (string); |
24330d27 | 615 | break; |
d8d73958 | 616 | case FcTypeLangSet: |
4262e0b3 | 617 | v.u.l = FcNameParseLangSet (string); |
d8d73958 | 618 | break; |
24330d27 KP |
619 | default: |
620 | break; | |
621 | } | |
622 | return v; | |
623 | } | |
624 | ||
ccb3e93b KP |
625 | static const FcChar8 * |
626 | FcNameFindNext (const FcChar8 *cur, const char *delim, FcChar8 *save, FcChar8 *last) | |
24330d27 | 627 | { |
ccb3e93b | 628 | FcChar8 c; |
24330d27 KP |
629 | |
630 | while ((c = *cur)) | |
631 | { | |
632 | if (c == '\\') | |
633 | { | |
634 | ++cur; | |
635 | if (!(c = *cur)) | |
636 | break; | |
637 | } | |
638 | else if (strchr (delim, c)) | |
639 | break; | |
640 | ++cur; | |
641 | *save++ = c; | |
642 | } | |
643 | *save = 0; | |
644 | *last = *cur; | |
645 | if (*cur) | |
646 | cur++; | |
647 | return cur; | |
648 | } | |
649 | ||
650 | FcPattern * | |
ccb3e93b | 651 | FcNameParse (const FcChar8 *name) |
24330d27 | 652 | { |
ccb3e93b | 653 | FcChar8 *save; |
24330d27 KP |
654 | FcPattern *pat; |
655 | double d; | |
ccb3e93b KP |
656 | FcChar8 *e; |
657 | FcChar8 delim; | |
24330d27 KP |
658 | FcValue v; |
659 | FcMatrix m; | |
660 | const FcObjectType *t; | |
661 | const FcConstant *c; | |
662 | ||
9dac3c59 | 663 | /* freed below */ |
ccb3e93b | 664 | save = malloc (strlen ((char *) name) + 1); |
24330d27 KP |
665 | if (!save) |
666 | goto bail0; | |
667 | pat = FcPatternCreate (); | |
668 | if (!pat) | |
669 | goto bail1; | |
670 | ||
671 | for (;;) | |
672 | { | |
673 | name = FcNameFindNext (name, "-,:", save, &delim); | |
674 | if (save[0]) | |
675 | { | |
676 | if (!FcPatternAddString (pat, FC_FAMILY, save)) | |
677 | goto bail2; | |
678 | } | |
679 | if (delim != ',') | |
680 | break; | |
681 | } | |
682 | if (delim == '-') | |
683 | { | |
684 | for (;;) | |
685 | { | |
686 | name = FcNameFindNext (name, "-,:", save, &delim); | |
ccb3e93b | 687 | d = strtod ((char *) save, (char **) &e); |
24330d27 KP |
688 | if (e != save) |
689 | { | |
690 | if (!FcPatternAddDouble (pat, FC_SIZE, d)) | |
691 | goto bail2; | |
692 | } | |
693 | if (delim != ',') | |
694 | break; | |
695 | } | |
696 | } | |
697 | while (delim == ':') | |
698 | { | |
699 | name = FcNameFindNext (name, "=_:", save, &delim); | |
700 | if (save[0]) | |
701 | { | |
702 | if (delim == '=' || delim == '_') | |
703 | { | |
ccb3e93b | 704 | t = FcNameGetObjectType ((char *) save); |
24330d27 KP |
705 | for (;;) |
706 | { | |
707 | name = FcNameFindNext (name, ":,", save, &delim); | |
c552f59b | 708 | if (t) |
24330d27 KP |
709 | { |
710 | v = FcNameConvert (t->type, save, &m); | |
711 | if (!FcPatternAdd (pat, t->object, v, FcTrue)) | |
712 | { | |
d8d73958 KP |
713 | switch (v.type) { |
714 | case FcTypeCharSet: | |
4262e0b3 | 715 | FcCharSetDestroy ((FcCharSet *) v.u.c); |
d8d73958 KP |
716 | break; |
717 | case FcTypeLangSet: | |
4262e0b3 | 718 | FcLangSetDestroy ((FcLangSet *) v.u.l); |
d8d73958 KP |
719 | break; |
720 | default: | |
721 | break; | |
722 | } | |
24330d27 KP |
723 | goto bail2; |
724 | } | |
d8d73958 KP |
725 | switch (v.type) { |
726 | case FcTypeCharSet: | |
4262e0b3 | 727 | FcCharSetDestroy ((FcCharSet *) v.u.c); |
d8d73958 KP |
728 | break; |
729 | case FcTypeLangSet: | |
4262e0b3 | 730 | FcLangSetDestroy ((FcLangSet *) v.u.l); |
d8d73958 KP |
731 | break; |
732 | default: | |
733 | break; | |
734 | } | |
24330d27 KP |
735 | } |
736 | if (delim != ',') | |
737 | break; | |
738 | } | |
739 | } | |
740 | else | |
741 | { | |
742 | if ((c = FcNameGetConstant (save))) | |
743 | { | |
744 | if (!FcPatternAddInteger (pat, c->object, c->value)) | |
745 | goto bail2; | |
746 | } | |
747 | } | |
748 | } | |
749 | } | |
750 | ||
751 | free (save); | |
752 | return pat; | |
753 | ||
754 | bail2: | |
755 | FcPatternDestroy (pat); | |
756 | bail1: | |
757 | free (save); | |
758 | bail0: | |
759 | return 0; | |
760 | } | |
24330d27 | 761 | static FcBool |
c2e7c611 | 762 | FcNameUnparseString (FcStrBuf *buf, |
24330d27 KP |
763 | const FcChar8 *string, |
764 | const FcChar8 *escape) | |
765 | { | |
766 | FcChar8 c; | |
767 | while ((c = *string++)) | |
768 | { | |
769 | if (escape && strchr ((char *) escape, (char) c)) | |
770 | { | |
c2e7c611 | 771 | if (!FcStrBufChar (buf, escape[0])) |
24330d27 KP |
772 | return FcFalse; |
773 | } | |
c2e7c611 | 774 | if (!FcStrBufChar (buf, c)) |
24330d27 KP |
775 | return FcFalse; |
776 | } | |
777 | return FcTrue; | |
778 | } | |
779 | ||
780 | static FcBool | |
c2e7c611 | 781 | FcNameUnparseValue (FcStrBuf *buf, |
4262e0b3 PL |
782 | int bank, |
783 | FcValue *v0, | |
24330d27 KP |
784 | FcChar8 *escape) |
785 | { | |
786 | FcChar8 temp[1024]; | |
4262e0b3 | 787 | FcValue v = FcValueCanonicalize(v0); |
24330d27 KP |
788 | |
789 | switch (v.type) { | |
790 | case FcTypeVoid: | |
791 | return FcTrue; | |
792 | case FcTypeInteger: | |
793 | sprintf ((char *) temp, "%d", v.u.i); | |
794 | return FcNameUnparseString (buf, temp, 0); | |
795 | case FcTypeDouble: | |
796 | sprintf ((char *) temp, "%g", v.u.d); | |
797 | return FcNameUnparseString (buf, temp, 0); | |
798 | case FcTypeString: | |
4262e0b3 | 799 | return FcNameUnparseString (buf, v.u.s, escape); |
24330d27 | 800 | case FcTypeBool: |
ccb3e93b | 801 | return FcNameUnparseString (buf, v.u.b ? (FcChar8 *) "True" : (FcChar8 *) "False", 0); |
24330d27 KP |
802 | case FcTypeMatrix: |
803 | sprintf ((char *) temp, "%g %g %g %g", | |
4262e0b3 | 804 | v.u.m->xx, v.u.m->xy, v.u.m->yx, v.u.m->yy); |
24330d27 KP |
805 | return FcNameUnparseString (buf, temp, 0); |
806 | case FcTypeCharSet: | |
4262e0b3 | 807 | return FcNameUnparseCharSet (buf, v.u.c); |
d8d73958 | 808 | case FcTypeLangSet: |
4262e0b3 | 809 | return FcNameUnparseLangSet (buf, v.u.l); |
88c747e2 KP |
810 | case FcTypeFTFace: |
811 | return FcTrue; | |
24330d27 KP |
812 | } |
813 | return FcFalse; | |
814 | } | |
815 | ||
816 | static FcBool | |
c2e7c611 | 817 | FcNameUnparseValueList (FcStrBuf *buf, |
cd2ec1a9 | 818 | FcValueListPtr v, |
ccb3e93b | 819 | FcChar8 *escape) |
24330d27 | 820 | { |
cd2ec1a9 | 821 | while (FcValueListPtrU(v)) |
24330d27 | 822 | { |
4262e0b3 | 823 | if (!FcNameUnparseValue (buf, v.bank, &FcValueListPtrU(v)->value, escape)) |
24330d27 | 824 | return FcFalse; |
cd2ec1a9 | 825 | if (FcValueListPtrU(v = FcValueListPtrU(v)->next)) |
ccb3e93b | 826 | if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0)) |
24330d27 KP |
827 | return FcFalse; |
828 | } | |
829 | return FcTrue; | |
830 | } | |
831 | ||
832 | #define FC_ESCAPE_FIXED "\\-:," | |
833 | #define FC_ESCAPE_VARIABLE "\\=_:," | |
834 | ||
835 | FcChar8 * | |
836 | FcNameUnparse (FcPattern *pat) | |
2fa3f27e PL |
837 | { |
838 | return FcNameUnparseEscaped (pat, FcTrue); | |
839 | } | |
840 | ||
841 | FcChar8 * | |
842 | FcNameUnparseEscaped (FcPattern *pat, FcBool escape) | |
24330d27 | 843 | { |
c2e7c611 | 844 | FcStrBuf buf; |
24330d27 KP |
845 | FcChar8 buf_static[8192]; |
846 | int i; | |
847 | FcPatternElt *e; | |
848 | const FcObjectTypeList *l; | |
849 | const FcObjectType *o; | |
850 | ||
c2e7c611 | 851 | FcStrBufInit (&buf, buf_static, sizeof (buf_static)); |
e9be9cd1 | 852 | e = FcPatternFindElt (pat, FC_FAMILY); |
24330d27 KP |
853 | if (e) |
854 | { | |
2fa3f27e | 855 | if (!FcNameUnparseValueList (&buf, e->values, escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0)) |
24330d27 KP |
856 | goto bail0; |
857 | } | |
e9be9cd1 | 858 | e = FcPatternFindElt (pat, FC_SIZE); |
24330d27 KP |
859 | if (e) |
860 | { | |
ccb3e93b | 861 | if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0)) |
24330d27 | 862 | goto bail0; |
2fa3f27e | 863 | if (!FcNameUnparseValueList (&buf, e->values, escape ? (FcChar8 *) FC_ESCAPE_FIXED : 0)) |
24330d27 KP |
864 | goto bail0; |
865 | } | |
866 | for (l = _FcObjectTypes; l; l = l->next) | |
867 | { | |
868 | for (i = 0; i < l->ntypes; i++) | |
869 | { | |
870 | o = &l->types[i]; | |
871 | if (!strcmp (o->object, FC_FAMILY) || | |
872 | !strcmp (o->object, FC_SIZE) || | |
873 | !strcmp (o->object, FC_FILE)) | |
874 | continue; | |
875 | ||
e9be9cd1 | 876 | e = FcPatternFindElt (pat, o->object); |
24330d27 KP |
877 | if (e) |
878 | { | |
ccb3e93b | 879 | if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0)) |
24330d27 | 880 | goto bail0; |
2fa3f27e | 881 | if (!FcNameUnparseString (&buf, (FcChar8 *) o->object, escape ? (FcChar8 *) FC_ESCAPE_VARIABLE : 0)) |
24330d27 | 882 | goto bail0; |
ccb3e93b | 883 | if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0)) |
24330d27 | 884 | goto bail0; |
2fa3f27e PL |
885 | if (!FcNameUnparseValueList (&buf, e->values, escape ? |
886 | (FcChar8 *) FC_ESCAPE_VARIABLE : 0)) | |
24330d27 KP |
887 | goto bail0; |
888 | } | |
889 | } | |
890 | } | |
c2e7c611 | 891 | return FcStrBufDone (&buf); |
24330d27 | 892 | bail0: |
c2e7c611 | 893 | FcStrBufDestroy (&buf); |
24330d27 KP |
894 | return 0; |
895 | } |