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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 <ctype.h> | |
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
28 | #include <stdio.h> | |
29 | #include "fcint.h" | |
30 | ||
31 | static const FcObjectType _FcBaseObjectTypes[] = { | |
32 | { FC_FAMILY, FcTypeString, }, | |
33 | { FC_FAMILYLANG, FcTypeString, }, | |
34 | { FC_STYLE, FcTypeString, }, | |
35 | { FC_STYLELANG, FcTypeString, }, | |
36 | { FC_FULLNAME, FcTypeString, }, | |
37 | { FC_FULLNAMELANG, FcTypeString, }, | |
38 | { FC_SLANT, FcTypeInteger, }, | |
39 | { FC_WEIGHT, FcTypeInteger, }, | |
40 | { FC_WIDTH, FcTypeInteger, }, | |
41 | { FC_SIZE, FcTypeDouble, }, | |
42 | { FC_ASPECT, FcTypeDouble, }, | |
43 | { FC_PIXEL_SIZE, FcTypeDouble, }, | |
44 | { FC_SPACING, FcTypeInteger, }, | |
45 | { FC_FOUNDRY, FcTypeString, }, | |
46 | /* { FC_CORE, FcTypeBool, }, */ | |
47 | { FC_ANTIALIAS, FcTypeBool, }, | |
48 | { FC_HINT_STYLE, FcTypeInteger, }, | |
49 | { FC_HINTING, FcTypeBool, }, | |
50 | { FC_VERTICAL_LAYOUT, FcTypeBool, }, | |
51 | { FC_AUTOHINT, FcTypeBool, }, | |
52 | { FC_GLOBAL_ADVANCE, FcTypeBool, }, | |
53 | /* { FC_XLFD, FcTypeString, }, */ | |
54 | { FC_FILE, FcTypeString, }, | |
55 | { FC_INDEX, FcTypeInteger, }, | |
56 | { FC_RASTERIZER, FcTypeString, }, | |
57 | { FC_OUTLINE, FcTypeBool, }, | |
58 | { FC_SCALABLE, FcTypeBool, }, | |
59 | { FC_DPI, FcTypeDouble }, | |
60 | { FC_RGBA, FcTypeInteger, }, | |
61 | { FC_SCALE, FcTypeDouble, }, | |
62 | /* { FC_RENDER, FcTypeBool, },*/ | |
63 | { FC_MINSPACE, FcTypeBool, }, | |
64 | { FC_CHAR_WIDTH, FcTypeInteger }, | |
65 | { FC_CHAR_HEIGHT, FcTypeInteger }, | |
66 | { FC_MATRIX, FcTypeMatrix }, | |
67 | { FC_CHARSET, FcTypeCharSet }, | |
68 | { FC_LANG, FcTypeLangSet }, | |
69 | { FC_FONTVERSION, FcTypeInteger }, | |
70 | { FC_CAPABILITY, FcTypeString }, | |
71 | { FC_FONTFORMAT, FcTypeString }, | |
72 | { FC_EMBOLDEN, FcTypeBool }, | |
73 | }; | |
74 | ||
75 | #define NUM_OBJECT_TYPES (sizeof _FcBaseObjectTypes / sizeof _FcBaseObjectTypes[0]) | |
76 | ||
77 | typedef struct _FcObjectTypeList FcObjectTypeList; | |
78 | ||
79 | struct _FcObjectTypeList { | |
80 | const FcObjectTypeList *next; | |
81 | const FcObjectType *types; | |
82 | int ntypes; | |
83 | }; | |
84 | ||
85 | static const FcObjectTypeList _FcBaseObjectTypesList = { | |
86 | 0, | |
87 | _FcBaseObjectTypes, | |
88 | NUM_OBJECT_TYPES | |
89 | }; | |
90 | ||
91 | static const FcObjectTypeList *_FcObjectTypes = &_FcBaseObjectTypesList; | |
92 | ||
93 | FcBool | |
94 | FcNameRegisterObjectTypes (const FcObjectType *types, int ntypes) | |
95 | { | |
96 | FcObjectTypeList *l; | |
97 | ||
98 | l = (FcObjectTypeList *) malloc (sizeof (FcObjectTypeList)); | |
99 | if (!l) | |
100 | return FcFalse; | |
101 | FcMemAlloc (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList)); | |
102 | l->types = types; | |
103 | l->ntypes = ntypes; | |
104 | l->next = _FcObjectTypes; | |
105 | _FcObjectTypes = l; | |
106 | return FcTrue; | |
107 | } | |
108 | ||
109 | FcBool | |
110 | FcNameUnregisterObjectTypes (const FcObjectType *types, int ntypes) | |
111 | { | |
112 | const FcObjectTypeList *l, **prev; | |
113 | ||
114 | for (prev = &_FcObjectTypes; | |
115 | (l = *prev); | |
116 | prev = (const FcObjectTypeList **) &(l->next)) | |
117 | { | |
118 | if (l->types == types && l->ntypes == ntypes) | |
119 | { | |
120 | *prev = l->next; | |
121 | FcMemFree (FC_MEM_OBJECTTYPE, sizeof (FcObjectTypeList)); | |
122 | free ((void *) l); | |
123 | return FcTrue; | |
124 | } | |
125 | } | |
126 | return FcFalse; | |
127 | } | |
128 | ||
129 | const FcObjectType * | |
130 | FcNameGetObjectType (const char *object) | |
131 | { | |
132 | int i; | |
133 | const FcObjectTypeList *l; | |
134 | const FcObjectType *t; | |
135 | ||
136 | for (l = _FcObjectTypes; l; l = l->next) | |
137 | { | |
138 | for (i = 0; i < l->ntypes; i++) | |
139 | { | |
140 | t = &l->types[i]; | |
141 | if (!strcmp (object, t->object)) | |
142 | return t; | |
143 | } | |
144 | } | |
145 | return 0; | |
146 | } | |
147 | ||
148 | static const FcConstant _FcBaseConstants[] = { | |
149 | { (FcChar8 *) "thin", "weight", FC_WEIGHT_THIN, }, | |
150 | { (FcChar8 *) "extralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
151 | { (FcChar8 *) "ultralight", "weight", FC_WEIGHT_EXTRALIGHT, }, | |
152 | { (FcChar8 *) "light", "weight", FC_WEIGHT_LIGHT, }, | |
153 | { (FcChar8 *) "book", "weight", FC_WEIGHT_BOOK, }, | |
154 | { (FcChar8 *) "regular", "weight", FC_WEIGHT_REGULAR, }, | |
155 | { (FcChar8 *) "medium", "weight", FC_WEIGHT_MEDIUM, }, | |
156 | { (FcChar8 *) "demibold", "weight", FC_WEIGHT_DEMIBOLD, }, | |
157 | { (FcChar8 *) "semibold", "weight", FC_WEIGHT_DEMIBOLD, }, | |
158 | { (FcChar8 *) "bold", "weight", FC_WEIGHT_BOLD, }, | |
159 | { (FcChar8 *) "extrabold", "weight", FC_WEIGHT_EXTRABOLD, }, | |
160 | { (FcChar8 *) "ultrabold", "weight", FC_WEIGHT_EXTRABOLD, }, | |
161 | { (FcChar8 *) "black", "weight", FC_WEIGHT_BLACK, }, | |
162 | ||
163 | { (FcChar8 *) "roman", "slant", FC_SLANT_ROMAN, }, | |
164 | { (FcChar8 *) "italic", "slant", FC_SLANT_ITALIC, }, | |
165 | { (FcChar8 *) "oblique", "slant", FC_SLANT_OBLIQUE, }, | |
166 | ||
167 | { (FcChar8 *) "ultracondensed", "width", FC_WIDTH_ULTRACONDENSED }, | |
168 | { (FcChar8 *) "extracondensed", "width", FC_WIDTH_EXTRACONDENSED }, | |
169 | { (FcChar8 *) "condensed", "width", FC_WIDTH_CONDENSED }, | |
170 | { (FcChar8 *) "semicondensed", "width", FC_WIDTH_SEMICONDENSED }, | |
171 | { (FcChar8 *) "normal", "width", FC_WIDTH_NORMAL }, | |
172 | { (FcChar8 *) "semiexpanded", "width", FC_WIDTH_SEMIEXPANDED }, | |
173 | { (FcChar8 *) "expanded", "width", FC_WIDTH_EXPANDED }, | |
174 | { (FcChar8 *) "extraexpanded", "width", FC_WIDTH_EXTRAEXPANDED }, | |
175 | { (FcChar8 *) "ultraexpanded", "width", FC_WIDTH_ULTRAEXPANDED }, | |
176 | ||
177 | { (FcChar8 *) "proportional", "spacing", FC_PROPORTIONAL, }, | |
178 | { (FcChar8 *) "dual", "spacing", FC_DUAL, }, | |
179 | { (FcChar8 *) "mono", "spacing", FC_MONO, }, | |
180 | { (FcChar8 *) "charcell", "spacing", FC_CHARCELL, }, | |
181 | ||
182 | { (FcChar8 *) "unknown", "rgba", FC_RGBA_UNKNOWN }, | |
183 | { (FcChar8 *) "rgb", "rgba", FC_RGBA_RGB, }, | |
184 | { (FcChar8 *) "bgr", "rgba", FC_RGBA_BGR, }, | |
185 | { (FcChar8 *) "vrgb", "rgba", FC_RGBA_VRGB }, | |
186 | { (FcChar8 *) "vbgr", "rgba", FC_RGBA_VBGR }, | |
187 | { (FcChar8 *) "none", "rgba", FC_RGBA_NONE }, | |
188 | ||
189 | { (FcChar8 *) "hintnone", "hintstyle", FC_HINT_NONE }, | |
190 | { (FcChar8 *) "hintslight", "hintstyle", FC_HINT_SLIGHT }, | |
191 | { (FcChar8 *) "hintmedium", "hintstyle", FC_HINT_MEDIUM }, | |
192 | { (FcChar8 *) "hintfull", "hintstyle", FC_HINT_FULL }, | |
193 | }; | |
194 | ||
195 | #define NUM_FC_CONSTANTS (sizeof _FcBaseConstants/sizeof _FcBaseConstants[0]) | |
196 | ||
197 | typedef struct _FcConstantList FcConstantList; | |
198 | ||
199 | struct _FcConstantList { | |
200 | const FcConstantList *next; | |
201 | const FcConstant *consts; | |
202 | int nconsts; | |
203 | }; | |
204 | ||
205 | static const FcConstantList _FcBaseConstantList = { | |
206 | 0, | |
207 | _FcBaseConstants, | |
208 | NUM_FC_CONSTANTS | |
209 | }; | |
210 | ||
211 | static const FcConstantList *_FcConstants = &_FcBaseConstantList; | |
212 | ||
213 | FcBool | |
214 | FcNameRegisterConstants (const FcConstant *consts, int nconsts) | |
215 | { | |
216 | FcConstantList *l; | |
217 | ||
218 | l = (FcConstantList *) malloc (sizeof (FcConstantList)); | |
219 | if (!l) | |
220 | return FcFalse; | |
221 | FcMemAlloc (FC_MEM_CONSTANT, sizeof (FcConstantList)); | |
222 | l->consts = consts; | |
223 | l->nconsts = nconsts; | |
224 | l->next = _FcConstants; | |
225 | _FcConstants = l; | |
226 | return FcTrue; | |
227 | } | |
228 | ||
229 | FcBool | |
230 | FcNameUnregisterConstants (const FcConstant *consts, int nconsts) | |
231 | { | |
232 | const FcConstantList *l, **prev; | |
233 | ||
234 | for (prev = &_FcConstants; | |
235 | (l = *prev); | |
236 | prev = (const FcConstantList **) &(l->next)) | |
237 | { | |
238 | if (l->consts == consts && l->nconsts == nconsts) | |
239 | { | |
240 | *prev = l->next; | |
241 | FcMemFree (FC_MEM_CONSTANT, sizeof (FcConstantList)); | |
242 | free ((void *) l); | |
243 | return FcTrue; | |
244 | } | |
245 | } | |
246 | return FcFalse; | |
247 | } | |
248 | ||
249 | const FcConstant * | |
250 | FcNameGetConstant (FcChar8 *string) | |
251 | { | |
252 | const FcConstantList *l; | |
253 | int i; | |
254 | ||
255 | for (l = _FcConstants; l; l = l->next) | |
256 | { | |
257 | for (i = 0; i < l->nconsts; i++) | |
258 | if (!FcStrCmpIgnoreCase (string, l->consts[i].name)) | |
259 | return &l->consts[i]; | |
260 | } | |
261 | return 0; | |
262 | } | |
263 | ||
264 | FcBool | |
265 | FcNameConstant (FcChar8 *string, int *result) | |
266 | { | |
267 | const FcConstant *c; | |
268 | ||
269 | if ((c = FcNameGetConstant(string))) | |
270 | { | |
271 | *result = c->value; | |
272 | return FcTrue; | |
273 | } | |
274 | return FcFalse; | |
275 | } | |
276 | ||
277 | FcBool | |
278 | FcNameBool (const FcChar8 *v, FcBool *result) | |
279 | { | |
280 | char c0, c1; | |
281 | ||
282 | c0 = *v; | |
283 | c0 = FcToLower (c0); | |
284 | if (c0 == 't' || c0 == 'y' || c0 == '1') | |
285 | { | |
286 | *result = FcTrue; | |
287 | return FcTrue; | |
288 | } | |
289 | if (c0 == 'f' || c0 == 'n' || c0 == '0') | |
290 | { | |
291 | *result = FcFalse; | |
292 | return FcTrue; | |
293 | } | |
294 | if (c0 == 'o') | |
295 | { | |
296 | c1 = v[1]; | |
297 | c1 = FcToLower (c1); | |
298 | if (c1 == 'n') | |
299 | { | |
300 | *result = FcTrue; | |
301 | return FcTrue; | |
302 | } | |
303 | if (c1 == 'f') | |
304 | { | |
305 | *result = FcFalse; | |
306 | return FcTrue; | |
307 | } | |
308 | } | |
309 | return FcFalse; | |
310 | } | |
311 | ||
312 | static FcValue | |
313 | FcNameConvert (FcType type, FcChar8 *string, FcMatrix *m) | |
314 | { | |
315 | FcValue v; | |
316 | ||
317 | v.type = type; | |
318 | switch (v.type) { | |
319 | case FcTypeInteger: | |
320 | if (!FcNameConstant (string, &v.u.i)) | |
321 | v.u.i = atoi ((char *) string); | |
322 | break; | |
323 | case FcTypeString: | |
324 | v.u.si = FcObjectStaticName(string); | |
325 | break; | |
326 | case FcTypeBool: | |
327 | if (!FcNameBool (string, &v.u.b)) | |
328 | v.u.b = FcFalse; | |
329 | break; | |
330 | case FcTypeDouble: | |
331 | v.u.d = strtod ((char *) string, 0); | |
332 | break; | |
333 | case FcTypeMatrix: | |
334 | v.u.mi = FcMatrixPtrCreateDynamic(m); | |
335 | sscanf ((char *) string, "%lg %lg %lg %lg", &m->xx, &m->xy, &m->yx, &m->yy); | |
336 | break; | |
337 | case FcTypeCharSet: | |
338 | v.u.ci = FcCharSetPtrCreateDynamic(FcNameParseCharSet (string)); | |
339 | break; | |
340 | case FcTypeLangSet: | |
341 | v.u.li = FcLangSetPtrCreateDynamic(FcNameParseLangSet (string)); | |
342 | break; | |
343 | default: | |
344 | break; | |
345 | } | |
346 | return v; | |
347 | } | |
348 | ||
349 | static const FcChar8 * | |
350 | FcNameFindNext (const FcChar8 *cur, const char *delim, FcChar8 *save, FcChar8 *last) | |
351 | { | |
352 | FcChar8 c; | |
353 | ||
354 | while ((c = *cur)) | |
355 | { | |
356 | if (c == '\\') | |
357 | { | |
358 | ++cur; | |
359 | if (!(c = *cur)) | |
360 | break; | |
361 | } | |
362 | else if (strchr (delim, c)) | |
363 | break; | |
364 | ++cur; | |
365 | *save++ = c; | |
366 | } | |
367 | *save = 0; | |
368 | *last = *cur; | |
369 | if (*cur) | |
370 | cur++; | |
371 | return cur; | |
372 | } | |
373 | ||
374 | FcPattern * | |
375 | FcNameParse (const FcChar8 *name) | |
376 | { | |
377 | FcChar8 *save; | |
378 | FcPattern *pat; | |
379 | double d; | |
380 | FcChar8 *e; | |
381 | FcChar8 delim; | |
382 | FcValue v; | |
383 | FcMatrix m; | |
384 | const FcObjectType *t; | |
385 | const FcConstant *c; | |
386 | ||
387 | /* freed below */ | |
388 | save = malloc (strlen ((char *) name) + 1); | |
389 | if (!save) | |
390 | goto bail0; | |
391 | pat = FcPatternCreate (); | |
392 | if (!pat) | |
393 | goto bail1; | |
394 | ||
395 | for (;;) | |
396 | { | |
397 | name = FcNameFindNext (name, "-,:", save, &delim); | |
398 | if (save[0]) | |
399 | { | |
400 | if (!FcPatternAddString (pat, FC_FAMILY, save)) | |
401 | goto bail2; | |
402 | } | |
403 | if (delim != ',') | |
404 | break; | |
405 | } | |
406 | if (delim == '-') | |
407 | { | |
408 | for (;;) | |
409 | { | |
410 | name = FcNameFindNext (name, "-,:", save, &delim); | |
411 | d = strtod ((char *) save, (char **) &e); | |
412 | if (e != save) | |
413 | { | |
414 | if (!FcPatternAddDouble (pat, FC_SIZE, d)) | |
415 | goto bail2; | |
416 | } | |
417 | if (delim != ',') | |
418 | break; | |
419 | } | |
420 | } | |
421 | while (delim == ':') | |
422 | { | |
423 | name = FcNameFindNext (name, "=_:", save, &delim); | |
424 | if (save[0]) | |
425 | { | |
426 | if (delim == '=' || delim == '_') | |
427 | { | |
428 | t = FcNameGetObjectType ((char *) save); | |
429 | for (;;) | |
430 | { | |
431 | name = FcNameFindNext (name, ":,", save, &delim); | |
432 | if (t) | |
433 | { | |
434 | v = FcNameConvert (t->type, save, &m); | |
435 | if (!FcPatternAdd (pat, t->object, v, FcTrue)) | |
436 | { | |
437 | switch (v.type) { | |
438 | case FcTypeCharSet: | |
439 | FcCharSetDestroy ((FcCharSet *) FcCharSetPtrU(v.u.ci)); | |
440 | break; | |
441 | case FcTypeLangSet: | |
442 | FcLangSetDestroy ((FcLangSet *) FcLangSetPtrU(v.u.li)); | |
443 | break; | |
444 | default: | |
445 | break; | |
446 | } | |
447 | goto bail2; | |
448 | } | |
449 | switch (v.type) { | |
450 | case FcTypeCharSet: | |
451 | FcCharSetDestroy ((FcCharSet *) FcCharSetPtrU(v.u.ci)); | |
452 | break; | |
453 | case FcTypeLangSet: | |
454 | FcLangSetDestroy ((FcLangSet *) FcLangSetPtrU(v.u.li)); | |
455 | break; | |
456 | default: | |
457 | break; | |
458 | } | |
459 | } | |
460 | if (delim != ',') | |
461 | break; | |
462 | } | |
463 | } | |
464 | else | |
465 | { | |
466 | if ((c = FcNameGetConstant (save))) | |
467 | { | |
468 | if (!FcPatternAddInteger (pat, c->object, c->value)) | |
469 | goto bail2; | |
470 | } | |
471 | } | |
472 | } | |
473 | } | |
474 | ||
475 | free (save); | |
476 | return pat; | |
477 | ||
478 | bail2: | |
479 | FcPatternDestroy (pat); | |
480 | bail1: | |
481 | free (save); | |
482 | bail0: | |
483 | return 0; | |
484 | } | |
485 | static FcBool | |
486 | FcNameUnparseString (FcStrBuf *buf, | |
487 | const FcChar8 *string, | |
488 | const FcChar8 *escape) | |
489 | { | |
490 | FcChar8 c; | |
491 | while ((c = *string++)) | |
492 | { | |
493 | if (escape && strchr ((char *) escape, (char) c)) | |
494 | { | |
495 | if (!FcStrBufChar (buf, escape[0])) | |
496 | return FcFalse; | |
497 | } | |
498 | if (!FcStrBufChar (buf, c)) | |
499 | return FcFalse; | |
500 | } | |
501 | return FcTrue; | |
502 | } | |
503 | ||
504 | static FcBool | |
505 | FcNameUnparseValue (FcStrBuf *buf, | |
506 | FcValue v, | |
507 | FcChar8 *escape) | |
508 | { | |
509 | FcChar8 temp[1024]; | |
510 | ||
511 | switch (v.type) { | |
512 | case FcTypeVoid: | |
513 | return FcTrue; | |
514 | case FcTypeInteger: | |
515 | sprintf ((char *) temp, "%d", v.u.i); | |
516 | return FcNameUnparseString (buf, temp, 0); | |
517 | case FcTypeDouble: | |
518 | sprintf ((char *) temp, "%g", v.u.d); | |
519 | return FcNameUnparseString (buf, temp, 0); | |
520 | case FcTypeString: | |
521 | return FcNameUnparseString (buf, FcObjectPtrU(v.u.si), escape); | |
522 | case FcTypeBool: | |
523 | return FcNameUnparseString (buf, v.u.b ? (FcChar8 *) "True" : (FcChar8 *) "False", 0); | |
524 | case FcTypeMatrix: | |
525 | { | |
526 | FcMatrix * m = FcMatrixPtrU(v.u.mi); | |
527 | sprintf ((char *) temp, "%g %g %g %g", | |
528 | m->xx, m->xy, m->yx, m->yy); | |
529 | return FcNameUnparseString (buf, temp, 0); | |
530 | } | |
531 | case FcTypeCharSet: | |
532 | return FcNameUnparseCharSet (buf, FcCharSetPtrU(v.u.ci)); | |
533 | case FcTypeLangSet: | |
534 | return FcNameUnparseLangSet (buf, FcLangSetPtrU(v.u.li)); | |
535 | case FcTypeFTFace: | |
536 | return FcTrue; | |
537 | } | |
538 | return FcFalse; | |
539 | } | |
540 | ||
541 | static FcBool | |
542 | FcNameUnparseValueList (FcStrBuf *buf, | |
543 | FcValueListPtr v, | |
544 | FcChar8 *escape) | |
545 | { | |
546 | while (FcValueListPtrU(v)) | |
547 | { | |
548 | if (!FcNameUnparseValue (buf, FcValueListPtrU(v)->value, escape)) | |
549 | return FcFalse; | |
550 | if (FcValueListPtrU(v = FcValueListPtrU(v)->next)) | |
551 | if (!FcNameUnparseString (buf, (FcChar8 *) ",", 0)) | |
552 | return FcFalse; | |
553 | } | |
554 | return FcTrue; | |
555 | } | |
556 | ||
557 | #define FC_ESCAPE_FIXED "\\-:," | |
558 | #define FC_ESCAPE_VARIABLE "\\=_:," | |
559 | ||
560 | FcChar8 * | |
561 | FcNameUnparse (FcPattern *pat) | |
562 | { | |
563 | FcStrBuf buf; | |
564 | FcChar8 buf_static[8192]; | |
565 | int i; | |
566 | FcPatternElt *e; | |
567 | const FcObjectTypeList *l; | |
568 | const FcObjectType *o; | |
569 | ||
570 | FcStrBufInit (&buf, buf_static, sizeof (buf_static)); | |
571 | e = FcPatternFindElt (pat, FC_FAMILY); | |
572 | if (e) | |
573 | { | |
574 | if (!FcNameUnparseValueList (&buf, e->values, (FcChar8 *) FC_ESCAPE_FIXED)) | |
575 | goto bail0; | |
576 | } | |
577 | e = FcPatternFindElt (pat, FC_SIZE); | |
578 | if (e) | |
579 | { | |
580 | if (!FcNameUnparseString (&buf, (FcChar8 *) "-", 0)) | |
581 | goto bail0; | |
582 | if (!FcNameUnparseValueList (&buf, e->values, (FcChar8 *) FC_ESCAPE_FIXED)) | |
583 | goto bail0; | |
584 | } | |
585 | for (l = _FcObjectTypes; l; l = l->next) | |
586 | { | |
587 | for (i = 0; i < l->ntypes; i++) | |
588 | { | |
589 | o = &l->types[i]; | |
590 | if (!strcmp (o->object, FC_FAMILY) || | |
591 | !strcmp (o->object, FC_SIZE) || | |
592 | !strcmp (o->object, FC_FILE)) | |
593 | continue; | |
594 | ||
595 | e = FcPatternFindElt (pat, o->object); | |
596 | if (e) | |
597 | { | |
598 | if (!FcNameUnparseString (&buf, (FcChar8 *) ":", 0)) | |
599 | goto bail0; | |
600 | if (!FcNameUnparseString (&buf, (FcChar8 *) o->object, (FcChar8 *) FC_ESCAPE_VARIABLE)) | |
601 | goto bail0; | |
602 | if (!FcNameUnparseString (&buf, (FcChar8 *) "=", 0)) | |
603 | goto bail0; | |
604 | if (!FcNameUnparseValueList (&buf, e->values, | |
605 | (FcChar8 *) FC_ESCAPE_VARIABLE)) | |
606 | goto bail0; | |
607 | } | |
608 | } | |
609 | } | |
610 | return FcStrBufDone (&buf); | |
611 | bail0: | |
612 | FcStrBufDestroy (&buf); | |
613 | return 0; | |
614 | } |