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1 | /* | |
2 | * fontconfig/src/fcxml.c | |
3 | * | |
4 | * Copyright © 2002 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 <fcntl.h> | |
27 | #include <stdarg.h> | |
28 | #include <dirent.h> | |
29 | ||
30 | #ifdef ENABLE_LIBXML2 | |
31 | ||
32 | #include <libxml/parser.h> | |
33 | ||
34 | #define XML_Char xmlChar | |
35 | #define XML_Parser xmlParserCtxtPtr | |
36 | #define XML_ParserFree xmlFreeParserCtxt | |
37 | #define XML_GetCurrentLineNumber xmlSAX2GetLineNumber | |
38 | #define XML_GetErrorCode xmlCtxtGetLastError | |
39 | #define XML_ErrorString(Error) (Error)->message | |
40 | ||
41 | #else /* ENABLE_LIBXML2 */ | |
42 | ||
43 | #ifndef HAVE_XMLPARSE_H | |
44 | #define HAVE_XMLPARSE_H 0 | |
45 | #endif | |
46 | ||
47 | #if HAVE_XMLPARSE_H | |
48 | #include <xmlparse.h> | |
49 | #else | |
50 | #include <expat.h> | |
51 | #endif | |
52 | ||
53 | #endif /* ENABLE_LIBXML2 */ | |
54 | ||
55 | #ifdef _WIN32 | |
56 | #define STRICT | |
57 | #include <windows.h> | |
58 | #undef STRICT | |
59 | #endif | |
60 | ||
61 | ||
62 | void | |
63 | FcTestDestroy (FcTest *test) | |
64 | { | |
65 | if (test->next) | |
66 | FcTestDestroy (test->next); | |
67 | FcExprDestroy (test->expr); | |
68 | FcMemFree (FC_MEM_TEST, sizeof (FcTest)); | |
69 | free (test); | |
70 | } | |
71 | ||
72 | FcExpr * | |
73 | FcExprCreateInteger (int i) | |
74 | { | |
75 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
76 | ||
77 | if (e) | |
78 | { | |
79 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
80 | e->op = FcOpInteger; | |
81 | e->u.ival = i; | |
82 | } | |
83 | return e; | |
84 | } | |
85 | ||
86 | FcExpr * | |
87 | FcExprCreateDouble (double d) | |
88 | { | |
89 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
90 | ||
91 | if (e) | |
92 | { | |
93 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
94 | e->op = FcOpDouble; | |
95 | e->u.dval = d; | |
96 | } | |
97 | return e; | |
98 | } | |
99 | ||
100 | FcExpr * | |
101 | FcExprCreateString (const FcChar8 *s) | |
102 | { | |
103 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
104 | ||
105 | if (e) | |
106 | { | |
107 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
108 | e->op = FcOpString; | |
109 | e->u.sval = FcStrCopy (s); | |
110 | } | |
111 | return e; | |
112 | } | |
113 | ||
114 | FcExpr * | |
115 | FcExprCreateMatrix (const FcMatrix *m) | |
116 | { | |
117 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
118 | ||
119 | if (e) | |
120 | { | |
121 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
122 | e->op = FcOpMatrix; | |
123 | e->u.mval = FcMatrixCopy (m); | |
124 | } | |
125 | return e; | |
126 | } | |
127 | ||
128 | FcExpr * | |
129 | FcExprCreateBool (FcBool b) | |
130 | { | |
131 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
132 | ||
133 | if (e) | |
134 | { | |
135 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
136 | e->op = FcOpBool; | |
137 | e->u.bval = b; | |
138 | } | |
139 | return e; | |
140 | } | |
141 | ||
142 | FcExpr * | |
143 | FcExprCreateNil (void) | |
144 | { | |
145 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
146 | ||
147 | if (e) | |
148 | { | |
149 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
150 | e->op = FcOpNil; | |
151 | } | |
152 | return e; | |
153 | } | |
154 | ||
155 | FcExpr * | |
156 | FcExprCreateField (const char *field) | |
157 | { | |
158 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
159 | ||
160 | if (e) | |
161 | { | |
162 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
163 | e->op = FcOpField; | |
164 | e->u.object = FcObjectFromName (field); | |
165 | } | |
166 | return e; | |
167 | } | |
168 | ||
169 | FcExpr * | |
170 | FcExprCreateConst (const FcChar8 *constant) | |
171 | { | |
172 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
173 | ||
174 | if (e) | |
175 | { | |
176 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
177 | e->op = FcOpConst; | |
178 | e->u.constant = FcStrCopy (constant); | |
179 | } | |
180 | return e; | |
181 | } | |
182 | ||
183 | FcExpr * | |
184 | FcExprCreateOp (FcExpr *left, FcOp op, FcExpr *right) | |
185 | { | |
186 | FcExpr *e = (FcExpr *) malloc (sizeof (FcExpr)); | |
187 | ||
188 | if (e) | |
189 | { | |
190 | FcMemAlloc (FC_MEM_EXPR, sizeof (FcExpr)); | |
191 | e->op = op; | |
192 | e->u.tree.left = left; | |
193 | e->u.tree.right = right; | |
194 | } | |
195 | return e; | |
196 | } | |
197 | ||
198 | void | |
199 | FcExprDestroy (FcExpr *e) | |
200 | { | |
201 | if (!e) | |
202 | return; | |
203 | switch (e->op) { | |
204 | case FcOpInteger: | |
205 | break; | |
206 | case FcOpDouble: | |
207 | break; | |
208 | case FcOpString: | |
209 | FcStrFree (e->u.sval); | |
210 | break; | |
211 | case FcOpMatrix: | |
212 | FcMatrixFree (e->u.mval); | |
213 | break; | |
214 | case FcOpCharSet: | |
215 | FcCharSetDestroy (e->u.cval); | |
216 | break; | |
217 | case FcOpBool: | |
218 | break; | |
219 | case FcOpField: | |
220 | break; | |
221 | case FcOpConst: | |
222 | FcStrFree (e->u.constant); | |
223 | break; | |
224 | case FcOpAssign: | |
225 | case FcOpAssignReplace: | |
226 | case FcOpPrepend: | |
227 | case FcOpPrependFirst: | |
228 | case FcOpAppend: | |
229 | case FcOpAppendLast: | |
230 | break; | |
231 | case FcOpOr: | |
232 | case FcOpAnd: | |
233 | case FcOpEqual: | |
234 | case FcOpNotEqual: | |
235 | case FcOpLess: | |
236 | case FcOpLessEqual: | |
237 | case FcOpMore: | |
238 | case FcOpMoreEqual: | |
239 | case FcOpContains: | |
240 | case FcOpListing: | |
241 | case FcOpNotContains: | |
242 | case FcOpPlus: | |
243 | case FcOpMinus: | |
244 | case FcOpTimes: | |
245 | case FcOpDivide: | |
246 | case FcOpQuest: | |
247 | case FcOpComma: | |
248 | FcExprDestroy (e->u.tree.right); | |
249 | /* fall through */ | |
250 | case FcOpNot: | |
251 | case FcOpFloor: | |
252 | case FcOpCeil: | |
253 | case FcOpRound: | |
254 | case FcOpTrunc: | |
255 | FcExprDestroy (e->u.tree.left); | |
256 | break; | |
257 | case FcOpNil: | |
258 | case FcOpInvalid: | |
259 | break; | |
260 | } | |
261 | FcMemFree (FC_MEM_EXPR, sizeof (FcExpr)); | |
262 | free (e); | |
263 | } | |
264 | ||
265 | void | |
266 | FcEditDestroy (FcEdit *e) | |
267 | { | |
268 | if (e->next) | |
269 | FcEditDestroy (e->next); | |
270 | if (e->expr) | |
271 | FcExprDestroy (e->expr); | |
272 | free (e); | |
273 | } | |
274 | ||
275 | char * | |
276 | FcConfigSaveField (const char *field) | |
277 | { | |
278 | return (char *) FcStrCopy ((FcChar8 *) field); | |
279 | } | |
280 | ||
281 | typedef enum _FcElement { | |
282 | FcElementNone, | |
283 | FcElementFontconfig, | |
284 | FcElementDir, | |
285 | FcElementCacheDir, | |
286 | FcElementCache, | |
287 | FcElementInclude, | |
288 | FcElementConfig, | |
289 | FcElementMatch, | |
290 | FcElementAlias, | |
291 | ||
292 | FcElementBlank, | |
293 | FcElementRescan, | |
294 | ||
295 | FcElementPrefer, | |
296 | FcElementAccept, | |
297 | FcElementDefault, | |
298 | FcElementFamily, | |
299 | ||
300 | FcElementSelectfont, | |
301 | FcElementAcceptfont, | |
302 | FcElementRejectfont, | |
303 | FcElementGlob, | |
304 | FcElementPattern, | |
305 | FcElementPatelt, | |
306 | ||
307 | FcElementTest, | |
308 | FcElementEdit, | |
309 | FcElementInt, | |
310 | FcElementDouble, | |
311 | FcElementString, | |
312 | FcElementMatrix, | |
313 | FcElementBool, | |
314 | FcElementCharset, | |
315 | FcElementName, | |
316 | FcElementConst, | |
317 | FcElementOr, | |
318 | FcElementAnd, | |
319 | FcElementEq, | |
320 | FcElementNotEq, | |
321 | FcElementLess, | |
322 | FcElementLessEq, | |
323 | FcElementMore, | |
324 | FcElementMoreEq, | |
325 | FcElementContains, | |
326 | FcElementNotContains, | |
327 | FcElementPlus, | |
328 | FcElementMinus, | |
329 | FcElementTimes, | |
330 | FcElementDivide, | |
331 | FcElementNot, | |
332 | FcElementIf, | |
333 | FcElementFloor, | |
334 | FcElementCeil, | |
335 | FcElementRound, | |
336 | FcElementTrunc, | |
337 | FcElementUnknown | |
338 | } FcElement; | |
339 | ||
340 | static const struct { | |
341 | const char name[16]; | |
342 | FcElement element; | |
343 | } fcElementMap[] = { | |
344 | { "fontconfig", FcElementFontconfig }, | |
345 | { "dir", FcElementDir }, | |
346 | { "cachedir", FcElementCacheDir }, | |
347 | { "cache", FcElementCache }, | |
348 | { "include", FcElementInclude }, | |
349 | { "config", FcElementConfig }, | |
350 | { "match", FcElementMatch }, | |
351 | { "alias", FcElementAlias }, | |
352 | ||
353 | { "blank", FcElementBlank }, | |
354 | { "rescan", FcElementRescan }, | |
355 | ||
356 | { "prefer", FcElementPrefer }, | |
357 | { "accept", FcElementAccept }, | |
358 | { "default", FcElementDefault }, | |
359 | { "family", FcElementFamily }, | |
360 | ||
361 | { "selectfont", FcElementSelectfont }, | |
362 | { "acceptfont", FcElementAcceptfont }, | |
363 | { "rejectfont", FcElementRejectfont }, | |
364 | { "glob", FcElementGlob }, | |
365 | { "pattern", FcElementPattern }, | |
366 | { "patelt", FcElementPatelt }, | |
367 | ||
368 | { "test", FcElementTest }, | |
369 | { "edit", FcElementEdit }, | |
370 | { "int", FcElementInt }, | |
371 | { "double", FcElementDouble }, | |
372 | { "string", FcElementString }, | |
373 | { "matrix", FcElementMatrix }, | |
374 | { "bool", FcElementBool }, | |
375 | { "charset", FcElementCharset }, | |
376 | { "name", FcElementName }, | |
377 | { "const", FcElementConst }, | |
378 | { "or", FcElementOr }, | |
379 | { "and", FcElementAnd }, | |
380 | { "eq", FcElementEq }, | |
381 | { "not_eq", FcElementNotEq }, | |
382 | { "less", FcElementLess }, | |
383 | { "less_eq", FcElementLessEq }, | |
384 | { "more", FcElementMore }, | |
385 | { "more_eq", FcElementMoreEq }, | |
386 | { "contains", FcElementContains }, | |
387 | { "not_contains", FcElementNotContains }, | |
388 | { "plus", FcElementPlus }, | |
389 | { "minus", FcElementMinus }, | |
390 | { "times", FcElementTimes }, | |
391 | { "divide", FcElementDivide }, | |
392 | { "not", FcElementNot }, | |
393 | { "if", FcElementIf }, | |
394 | { "floor", FcElementFloor }, | |
395 | { "ceil", FcElementCeil }, | |
396 | { "round", FcElementRound }, | |
397 | { "trunc", FcElementTrunc }, | |
398 | }; | |
399 | #define NUM_ELEMENT_MAPS (int) (sizeof fcElementMap / sizeof fcElementMap[0]) | |
400 | ||
401 | static FcElement | |
402 | FcElementMap (const XML_Char *name) | |
403 | { | |
404 | ||
405 | int i; | |
406 | for (i = 0; i < NUM_ELEMENT_MAPS; i++) | |
407 | if (!strcmp ((char *) name, fcElementMap[i].name)) | |
408 | return fcElementMap[i].element; | |
409 | return FcElementUnknown; | |
410 | } | |
411 | ||
412 | typedef struct _FcPStack { | |
413 | struct _FcPStack *prev; | |
414 | FcElement element; | |
415 | FcChar8 **attr; | |
416 | FcStrBuf str; | |
417 | } FcPStack; | |
418 | ||
419 | typedef enum _FcVStackTag { | |
420 | FcVStackNone, | |
421 | ||
422 | FcVStackString, | |
423 | FcVStackFamily, | |
424 | FcVStackField, | |
425 | FcVStackConstant, | |
426 | FcVStackGlob, | |
427 | FcVStackPattern, | |
428 | ||
429 | FcVStackPrefer, | |
430 | FcVStackAccept, | |
431 | FcVStackDefault, | |
432 | ||
433 | FcVStackInteger, | |
434 | FcVStackDouble, | |
435 | FcVStackMatrix, | |
436 | FcVStackBool, | |
437 | ||
438 | FcVStackTest, | |
439 | FcVStackExpr, | |
440 | FcVStackEdit | |
441 | } FcVStackTag; | |
442 | ||
443 | typedef struct _FcVStack { | |
444 | struct _FcVStack *prev; | |
445 | FcPStack *pstack; /* related parse element */ | |
446 | FcVStackTag tag; | |
447 | union { | |
448 | FcChar8 *string; | |
449 | ||
450 | int integer; | |
451 | double _double; | |
452 | FcMatrix *matrix; | |
453 | FcBool bool_; | |
454 | ||
455 | FcTest *test; | |
456 | FcQual qual; | |
457 | FcOp op; | |
458 | FcExpr *expr; | |
459 | FcEdit *edit; | |
460 | ||
461 | FcPattern *pattern; | |
462 | } u; | |
463 | } FcVStack; | |
464 | ||
465 | typedef struct _FcConfigParse { | |
466 | FcPStack *pstack; | |
467 | FcVStack *vstack; | |
468 | FcBool error; | |
469 | const FcChar8 *name; | |
470 | FcConfig *config; | |
471 | XML_Parser parser; | |
472 | } FcConfigParse; | |
473 | ||
474 | typedef enum _FcConfigSeverity { | |
475 | FcSevereInfo, FcSevereWarning, FcSevereError | |
476 | } FcConfigSeverity; | |
477 | ||
478 | static void | |
479 | FcConfigMessage (FcConfigParse *parse, FcConfigSeverity severe, const char *fmt, ...) | |
480 | { | |
481 | const char *s = "unknown"; | |
482 | va_list args; | |
483 | ||
484 | va_start (args, fmt); | |
485 | ||
486 | switch (severe) { | |
487 | case FcSevereInfo: s = "info"; break; | |
488 | case FcSevereWarning: s = "warning"; break; | |
489 | case FcSevereError: s = "error"; break; | |
490 | } | |
491 | if (parse) | |
492 | { | |
493 | if (parse->name) | |
494 | fprintf (stderr, "Fontconfig %s: \"%s\", line %d: ", s, | |
495 | parse->name, (int)XML_GetCurrentLineNumber (parse->parser)); | |
496 | else | |
497 | fprintf (stderr, "Fontconfig %s: line %d: ", s, | |
498 | (int)XML_GetCurrentLineNumber (parse->parser)); | |
499 | if (severe >= FcSevereError) | |
500 | parse->error = FcTrue; | |
501 | } | |
502 | else | |
503 | fprintf (stderr, "Fontconfig %s: ", s); | |
504 | vfprintf (stderr, fmt, args); | |
505 | fprintf (stderr, "\n"); | |
506 | va_end (args); | |
507 | } | |
508 | ||
509 | ||
510 | static const char * | |
511 | FcTypeName (FcType type) | |
512 | { | |
513 | switch (type) { | |
514 | case FcTypeVoid: | |
515 | return "void"; | |
516 | case FcTypeInteger: | |
517 | case FcTypeDouble: | |
518 | return "number"; | |
519 | case FcTypeString: | |
520 | return "string"; | |
521 | case FcTypeBool: | |
522 | return "bool"; | |
523 | case FcTypeMatrix: | |
524 | return "matrix"; | |
525 | case FcTypeCharSet: | |
526 | return "charset"; | |
527 | case FcTypeFTFace: | |
528 | return "FT_Face"; | |
529 | case FcTypeLangSet: | |
530 | return "langset"; | |
531 | default: | |
532 | return "unknown"; | |
533 | } | |
534 | } | |
535 | ||
536 | static void | |
537 | FcTypecheckValue (FcConfigParse *parse, FcType value, FcType type) | |
538 | { | |
539 | if (value == FcTypeInteger) | |
540 | value = FcTypeDouble; | |
541 | if (type == FcTypeInteger) | |
542 | type = FcTypeDouble; | |
543 | if (value != type) | |
544 | { | |
545 | if ((value == FcTypeLangSet && type == FcTypeString) || | |
546 | (value == FcTypeString && type == FcTypeLangSet)) | |
547 | return; | |
548 | if (type == (FcType) -1) | |
549 | return; | |
550 | FcConfigMessage (parse, FcSevereWarning, "saw %s, expected %s", | |
551 | FcTypeName (value), FcTypeName (type)); | |
552 | } | |
553 | } | |
554 | ||
555 | static void | |
556 | FcTypecheckExpr (FcConfigParse *parse, FcExpr *expr, FcType type) | |
557 | { | |
558 | const FcObjectType *o; | |
559 | const FcConstant *c; | |
560 | ||
561 | /* If parsing the expression failed, some nodes may be NULL */ | |
562 | if (!expr) | |
563 | return; | |
564 | ||
565 | switch (expr->op) { | |
566 | case FcOpInteger: | |
567 | case FcOpDouble: | |
568 | FcTypecheckValue (parse, FcTypeDouble, type); | |
569 | break; | |
570 | case FcOpString: | |
571 | FcTypecheckValue (parse, FcTypeString, type); | |
572 | break; | |
573 | case FcOpMatrix: | |
574 | FcTypecheckValue (parse, FcTypeMatrix, type); | |
575 | break; | |
576 | case FcOpBool: | |
577 | FcTypecheckValue (parse, FcTypeBool, type); | |
578 | break; | |
579 | case FcOpCharSet: | |
580 | FcTypecheckValue (parse, FcTypeCharSet, type); | |
581 | break; | |
582 | case FcOpNil: | |
583 | break; | |
584 | case FcOpField: | |
585 | o = FcNameGetObjectType (FcObjectName (expr->u.object)); | |
586 | if (o) | |
587 | FcTypecheckValue (parse, o->type, type); | |
588 | break; | |
589 | case FcOpConst: | |
590 | c = FcNameGetConstant (expr->u.constant); | |
591 | if (c) | |
592 | { | |
593 | o = FcNameGetObjectType (c->object); | |
594 | if (o) | |
595 | FcTypecheckValue (parse, o->type, type); | |
596 | } | |
597 | else | |
598 | FcConfigMessage (parse, FcSevereWarning, | |
599 | "invalid constant used : %s", | |
600 | expr->u.constant); | |
601 | break; | |
602 | case FcOpQuest: | |
603 | FcTypecheckExpr (parse, expr->u.tree.left, FcTypeBool); | |
604 | FcTypecheckExpr (parse, expr->u.tree.right->u.tree.left, type); | |
605 | FcTypecheckExpr (parse, expr->u.tree.right->u.tree.right, type); | |
606 | break; | |
607 | case FcOpAssign: | |
608 | case FcOpAssignReplace: | |
609 | break; | |
610 | case FcOpEqual: | |
611 | case FcOpNotEqual: | |
612 | case FcOpLess: | |
613 | case FcOpLessEqual: | |
614 | case FcOpMore: | |
615 | case FcOpMoreEqual: | |
616 | case FcOpContains: | |
617 | case FcOpNotContains: | |
618 | case FcOpListing: | |
619 | FcTypecheckValue (parse, FcTypeBool, type); | |
620 | break; | |
621 | case FcOpComma: | |
622 | case FcOpOr: | |
623 | case FcOpAnd: | |
624 | case FcOpPlus: | |
625 | case FcOpMinus: | |
626 | case FcOpTimes: | |
627 | case FcOpDivide: | |
628 | FcTypecheckExpr (parse, expr->u.tree.left, type); | |
629 | FcTypecheckExpr (parse, expr->u.tree.right, type); | |
630 | break; | |
631 | case FcOpNot: | |
632 | FcTypecheckValue (parse, FcTypeBool, type); | |
633 | FcTypecheckExpr (parse, expr->u.tree.left, FcTypeBool); | |
634 | break; | |
635 | case FcOpFloor: | |
636 | case FcOpCeil: | |
637 | case FcOpRound: | |
638 | case FcOpTrunc: | |
639 | FcTypecheckValue (parse, FcTypeDouble, type); | |
640 | FcTypecheckExpr (parse, expr->u.tree.left, FcTypeDouble); | |
641 | break; | |
642 | default: | |
643 | break; | |
644 | } | |
645 | } | |
646 | ||
647 | static FcTest * | |
648 | FcTestCreate (FcConfigParse *parse, | |
649 | FcMatchKind kind, | |
650 | FcQual qual, | |
651 | const FcChar8 *field, | |
652 | FcOp compare, | |
653 | FcExpr *expr) | |
654 | { | |
655 | FcTest *test = (FcTest *) malloc (sizeof (FcTest)); | |
656 | ||
657 | if (test) | |
658 | { | |
659 | const FcObjectType *o; | |
660 | ||
661 | FcMemAlloc (FC_MEM_TEST, sizeof (FcTest)); | |
662 | test->next = 0; | |
663 | test->kind = kind; | |
664 | test->qual = qual; | |
665 | test->object = FcObjectFromName ((const char *) field); | |
666 | test->op = compare; | |
667 | test->expr = expr; | |
668 | o = FcNameGetObjectType (FcObjectName (test->object)); | |
669 | if (o) | |
670 | FcTypecheckExpr (parse, expr, o->type); | |
671 | } | |
672 | return test; | |
673 | } | |
674 | ||
675 | static FcEdit * | |
676 | FcEditCreate (FcConfigParse *parse, | |
677 | FcObject object, | |
678 | FcOp op, | |
679 | FcExpr *expr, | |
680 | FcValueBinding binding) | |
681 | { | |
682 | FcEdit *e = (FcEdit *) malloc (sizeof (FcEdit)); | |
683 | ||
684 | if (e) | |
685 | { | |
686 | const FcObjectType *o; | |
687 | ||
688 | e->next = 0; | |
689 | e->object = object; | |
690 | e->op = op; | |
691 | e->expr = expr; | |
692 | e->binding = binding; | |
693 | o = FcNameGetObjectType (FcObjectName (e->object)); | |
694 | if (o) | |
695 | FcTypecheckExpr (parse, expr, o->type); | |
696 | } | |
697 | return e; | |
698 | } | |
699 | ||
700 | static void | |
701 | FcVStackPush (FcConfigParse *parse, FcVStack *vstack) | |
702 | { | |
703 | vstack->prev = parse->vstack; | |
704 | vstack->pstack = parse->pstack ? parse->pstack->prev : 0; | |
705 | parse->vstack = vstack; | |
706 | } | |
707 | ||
708 | static FcVStack * | |
709 | FcVStackCreate (void) | |
710 | { | |
711 | FcVStack *new; | |
712 | ||
713 | new = malloc (sizeof (FcVStack)); | |
714 | if (!new) | |
715 | return 0; | |
716 | FcMemAlloc (FC_MEM_VSTACK, sizeof (FcVStack)); | |
717 | new->tag = FcVStackNone; | |
718 | new->prev = 0; | |
719 | return new; | |
720 | } | |
721 | ||
722 | static void | |
723 | FcVStackDestroy (FcVStack *vstack) | |
724 | { | |
725 | FcVStack *prev; | |
726 | ||
727 | for (; vstack; vstack = prev) | |
728 | { | |
729 | prev = vstack->prev; | |
730 | switch (vstack->tag) { | |
731 | case FcVStackNone: | |
732 | break; | |
733 | case FcVStackString: | |
734 | case FcVStackFamily: | |
735 | case FcVStackField: | |
736 | case FcVStackConstant: | |
737 | case FcVStackGlob: | |
738 | FcStrFree (vstack->u.string); | |
739 | break; | |
740 | case FcVStackPattern: | |
741 | FcPatternDestroy (vstack->u.pattern); | |
742 | break; | |
743 | case FcVStackInteger: | |
744 | case FcVStackDouble: | |
745 | break; | |
746 | case FcVStackMatrix: | |
747 | FcMatrixFree (vstack->u.matrix); | |
748 | break; | |
749 | case FcVStackBool: | |
750 | break; | |
751 | case FcVStackTest: | |
752 | FcTestDestroy (vstack->u.test); | |
753 | break; | |
754 | case FcVStackExpr: | |
755 | case FcVStackPrefer: | |
756 | case FcVStackAccept: | |
757 | case FcVStackDefault: | |
758 | FcExprDestroy (vstack->u.expr); | |
759 | break; | |
760 | case FcVStackEdit: | |
761 | FcEditDestroy (vstack->u.edit); | |
762 | break; | |
763 | } | |
764 | FcMemFree (FC_MEM_VSTACK, sizeof (FcVStack)); | |
765 | free (vstack); | |
766 | } | |
767 | } | |
768 | ||
769 | static FcBool | |
770 | FcVStackPushString (FcConfigParse *parse, FcVStackTag tag, FcChar8 *string) | |
771 | { | |
772 | FcVStack *vstack = FcVStackCreate (); | |
773 | if (!vstack) | |
774 | return FcFalse; | |
775 | vstack->u.string = string; | |
776 | vstack->tag = tag; | |
777 | FcVStackPush (parse, vstack); | |
778 | return FcTrue; | |
779 | } | |
780 | ||
781 | static FcBool | |
782 | FcVStackPushInteger (FcConfigParse *parse, int integer) | |
783 | { | |
784 | FcVStack *vstack = FcVStackCreate (); | |
785 | if (!vstack) | |
786 | return FcFalse; | |
787 | vstack->u.integer = integer; | |
788 | vstack->tag = FcVStackInteger; | |
789 | FcVStackPush (parse, vstack); | |
790 | return FcTrue; | |
791 | } | |
792 | ||
793 | static FcBool | |
794 | FcVStackPushDouble (FcConfigParse *parse, double _double) | |
795 | { | |
796 | FcVStack *vstack = FcVStackCreate (); | |
797 | if (!vstack) | |
798 | return FcFalse; | |
799 | vstack->u._double = _double; | |
800 | vstack->tag = FcVStackDouble; | |
801 | FcVStackPush (parse, vstack); | |
802 | return FcTrue; | |
803 | } | |
804 | ||
805 | static FcBool | |
806 | FcVStackPushMatrix (FcConfigParse *parse, FcMatrix *matrix) | |
807 | { | |
808 | FcVStack *vstack = FcVStackCreate (); | |
809 | if (!vstack) | |
810 | return FcFalse; | |
811 | matrix = FcMatrixCopy (matrix); | |
812 | if (!matrix) | |
813 | { | |
814 | FcVStackDestroy (vstack); | |
815 | return FcFalse; | |
816 | } | |
817 | vstack->u.matrix = matrix; | |
818 | vstack->tag = FcVStackMatrix; | |
819 | FcVStackPush (parse, vstack); | |
820 | return FcTrue; | |
821 | } | |
822 | ||
823 | static FcBool | |
824 | FcVStackPushBool (FcConfigParse *parse, FcBool bool_) | |
825 | { | |
826 | FcVStack *vstack = FcVStackCreate (); | |
827 | if (!vstack) | |
828 | return FcFalse; | |
829 | vstack->u.bool_ = bool_; | |
830 | vstack->tag = FcVStackBool; | |
831 | FcVStackPush (parse, vstack); | |
832 | return FcTrue; | |
833 | } | |
834 | ||
835 | static FcBool | |
836 | FcVStackPushTest (FcConfigParse *parse, FcTest *test) | |
837 | { | |
838 | FcVStack *vstack = FcVStackCreate (); | |
839 | if (!vstack) | |
840 | return FcFalse; | |
841 | vstack->u.test = test; | |
842 | vstack->tag = FcVStackTest; | |
843 | FcVStackPush (parse, vstack); | |
844 | return FcTrue; | |
845 | } | |
846 | ||
847 | static FcBool | |
848 | FcVStackPushExpr (FcConfigParse *parse, FcVStackTag tag, FcExpr *expr) | |
849 | { | |
850 | FcVStack *vstack = FcVStackCreate (); | |
851 | if (!vstack) | |
852 | return FcFalse; | |
853 | vstack->u.expr = expr; | |
854 | vstack->tag = tag; | |
855 | FcVStackPush (parse, vstack); | |
856 | return FcTrue; | |
857 | } | |
858 | ||
859 | static FcBool | |
860 | FcVStackPushEdit (FcConfigParse *parse, FcEdit *edit) | |
861 | { | |
862 | FcVStack *vstack = FcVStackCreate (); | |
863 | if (!vstack) | |
864 | return FcFalse; | |
865 | vstack->u.edit = edit; | |
866 | vstack->tag = FcVStackEdit; | |
867 | FcVStackPush (parse, vstack); | |
868 | return FcTrue; | |
869 | } | |
870 | ||
871 | static FcBool | |
872 | FcVStackPushPattern (FcConfigParse *parse, FcPattern *pattern) | |
873 | { | |
874 | FcVStack *vstack = FcVStackCreate (); | |
875 | if (!vstack) | |
876 | return FcFalse; | |
877 | vstack->u.pattern = pattern; | |
878 | vstack->tag = FcVStackPattern; | |
879 | FcVStackPush (parse, vstack); | |
880 | return FcTrue; | |
881 | } | |
882 | ||
883 | static FcVStack * | |
884 | FcVStackFetch (FcConfigParse *parse, int off) | |
885 | { | |
886 | FcVStack *vstack; | |
887 | ||
888 | for (vstack = parse->vstack; vstack && off-- > 0; vstack = vstack->prev); | |
889 | return vstack; | |
890 | } | |
891 | ||
892 | static void | |
893 | FcVStackClear (FcConfigParse *parse) | |
894 | { | |
895 | while (parse->vstack && parse->vstack->pstack == parse->pstack) | |
896 | { | |
897 | FcVStack *vstack = parse->vstack; | |
898 | parse->vstack = vstack->prev; | |
899 | vstack->prev = 0; | |
900 | FcVStackDestroy (vstack); | |
901 | } | |
902 | } | |
903 | ||
904 | static FcVStack * | |
905 | FcVStackPop (FcConfigParse *parse) | |
906 | { | |
907 | FcVStack *vstack = parse->vstack; | |
908 | ||
909 | if (!vstack || vstack->pstack != parse->pstack) | |
910 | return 0; | |
911 | parse->vstack = vstack->prev; | |
912 | vstack->prev = 0; | |
913 | return vstack; | |
914 | } | |
915 | ||
916 | static int | |
917 | FcVStackElements (FcConfigParse *parse) | |
918 | { | |
919 | int h = 0; | |
920 | FcVStack *vstack = parse->vstack; | |
921 | while (vstack && vstack->pstack == parse->pstack) | |
922 | { | |
923 | h++; | |
924 | vstack = vstack->prev; | |
925 | } | |
926 | return h; | |
927 | } | |
928 | ||
929 | static FcChar8 ** | |
930 | FcConfigSaveAttr (const XML_Char **attr) | |
931 | { | |
932 | int slen; | |
933 | int i; | |
934 | FcChar8 **new; | |
935 | FcChar8 *s; | |
936 | ||
937 | if (!attr) | |
938 | return 0; | |
939 | slen = 0; | |
940 | for (i = 0; attr[i]; i++) | |
941 | slen += strlen ((char *) attr[i]) + 1; | |
942 | new = malloc ((i + 1) * sizeof (FcChar8 *) + slen); | |
943 | if (!new) | |
944 | return 0; | |
945 | FcMemAlloc (FC_MEM_ATTR, 1); /* size is too expensive */ | |
946 | s = (FcChar8 *) (new + (i + 1)); | |
947 | for (i = 0; attr[i]; i++) | |
948 | { | |
949 | new[i] = s; | |
950 | strcpy ((char *) s, (char *) attr[i]); | |
951 | s += strlen ((char *) s) + 1; | |
952 | } | |
953 | new[i] = 0; | |
954 | return new; | |
955 | } | |
956 | ||
957 | static FcBool | |
958 | FcPStackPush (FcConfigParse *parse, FcElement element, const XML_Char **attr) | |
959 | { | |
960 | FcPStack *new = malloc (sizeof (FcPStack)); | |
961 | ||
962 | if (!new) | |
963 | return FcFalse; | |
964 | FcMemAlloc (FC_MEM_PSTACK, sizeof (FcPStack)); | |
965 | new->prev = parse->pstack; | |
966 | new->element = element; | |
967 | if (attr) | |
968 | { | |
969 | new->attr = FcConfigSaveAttr (attr); | |
970 | if (!new->attr) | |
971 | { | |
972 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
973 | FcMemFree (FC_MEM_PSTACK, sizeof (FcPStack)); | |
974 | free (new); | |
975 | return FcFalse; | |
976 | } | |
977 | } | |
978 | else | |
979 | new->attr = 0; | |
980 | FcStrBufInit (&new->str, 0, 0); | |
981 | parse->pstack = new; | |
982 | return FcTrue; | |
983 | } | |
984 | ||
985 | static FcBool | |
986 | FcPStackPop (FcConfigParse *parse) | |
987 | { | |
988 | FcPStack *old; | |
989 | ||
990 | if (!parse->pstack) | |
991 | { | |
992 | FcConfigMessage (parse, FcSevereError, "mismatching element"); | |
993 | return FcFalse; | |
994 | } | |
995 | FcVStackClear (parse); | |
996 | old = parse->pstack; | |
997 | parse->pstack = old->prev; | |
998 | FcStrBufDestroy (&old->str); | |
999 | if (old->attr) | |
1000 | { | |
1001 | FcMemFree (FC_MEM_ATTR, 1); /* size is to expensive */ | |
1002 | free (old->attr); | |
1003 | } | |
1004 | FcMemFree (FC_MEM_PSTACK, sizeof (FcPStack)); | |
1005 | free (old); | |
1006 | return FcTrue; | |
1007 | } | |
1008 | ||
1009 | static FcBool | |
1010 | FcConfigInit (FcConfigParse *parse, const FcChar8 *name, FcConfig *config, XML_Parser parser) | |
1011 | { | |
1012 | parse->pstack = 0; | |
1013 | parse->vstack = 0; | |
1014 | parse->error = FcFalse; | |
1015 | parse->name = name; | |
1016 | parse->config = config; | |
1017 | parse->parser = parser; | |
1018 | return FcTrue; | |
1019 | } | |
1020 | ||
1021 | static void | |
1022 | FcConfigCleanup (FcConfigParse *parse) | |
1023 | { | |
1024 | while (parse->pstack) | |
1025 | FcPStackPop (parse); | |
1026 | } | |
1027 | ||
1028 | static const FcChar8 * | |
1029 | FcConfigGetAttribute (FcConfigParse *parse, const char *attr) | |
1030 | { | |
1031 | FcChar8 **attrs; | |
1032 | if (!parse->pstack) | |
1033 | return 0; | |
1034 | ||
1035 | attrs = parse->pstack->attr; | |
1036 | if (!attrs) | |
1037 | return 0; | |
1038 | ||
1039 | while (*attrs) | |
1040 | { | |
1041 | if (!strcmp ((char *) *attrs, attr)) | |
1042 | return attrs[1]; | |
1043 | attrs += 2; | |
1044 | } | |
1045 | return 0; | |
1046 | } | |
1047 | ||
1048 | static void | |
1049 | FcStartElement(void *userData, const XML_Char *name, const XML_Char **attr) | |
1050 | { | |
1051 | FcConfigParse *parse = userData; | |
1052 | FcElement element; | |
1053 | ||
1054 | element = FcElementMap (name); | |
1055 | if (element == FcElementUnknown) | |
1056 | FcConfigMessage (parse, FcSevereWarning, "unknown element \"%s\"", name); | |
1057 | ||
1058 | if (!FcPStackPush (parse, element, attr)) | |
1059 | { | |
1060 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1061 | return; | |
1062 | } | |
1063 | return; | |
1064 | } | |
1065 | ||
1066 | static void | |
1067 | FcParseBlank (FcConfigParse *parse) | |
1068 | { | |
1069 | int n = FcVStackElements (parse); | |
1070 | while (n-- > 0) | |
1071 | { | |
1072 | FcVStack *v = FcVStackFetch (parse, n); | |
1073 | if (v->tag != FcVStackInteger) | |
1074 | FcConfigMessage (parse, FcSevereError, "non-integer blank"); | |
1075 | else | |
1076 | { | |
1077 | if (!parse->config->blanks) | |
1078 | { | |
1079 | parse->config->blanks = FcBlanksCreate (); | |
1080 | if (!parse->config->blanks) | |
1081 | { | |
1082 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1083 | break; | |
1084 | } | |
1085 | } | |
1086 | if (!FcBlanksAdd (parse->config->blanks, v->u.integer)) | |
1087 | { | |
1088 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1089 | break; | |
1090 | } | |
1091 | } | |
1092 | } | |
1093 | } | |
1094 | ||
1095 | static void | |
1096 | FcParseRescan (FcConfigParse *parse) | |
1097 | { | |
1098 | int n = FcVStackElements (parse); | |
1099 | while (n-- > 0) | |
1100 | { | |
1101 | FcVStack *v = FcVStackFetch (parse, n); | |
1102 | if (v->tag != FcVStackInteger) | |
1103 | FcConfigMessage (parse, FcSevereWarning, "non-integer rescan"); | |
1104 | else | |
1105 | parse->config->rescanInterval = v->u.integer; | |
1106 | } | |
1107 | } | |
1108 | ||
1109 | static void | |
1110 | FcParseInt (FcConfigParse *parse) | |
1111 | { | |
1112 | FcChar8 *s, *end; | |
1113 | int l; | |
1114 | ||
1115 | if (!parse->pstack) | |
1116 | return; | |
1117 | s = FcStrBufDone (&parse->pstack->str); | |
1118 | if (!s) | |
1119 | { | |
1120 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1121 | return; | |
1122 | } | |
1123 | end = 0; | |
1124 | l = (int) strtol ((char *) s, (char **)&end, 0); | |
1125 | if (end != s + strlen ((char *) s)) | |
1126 | FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid integer", s); | |
1127 | else | |
1128 | FcVStackPushInteger (parse, l); | |
1129 | FcStrFree (s); | |
1130 | } | |
1131 | ||
1132 | /* | |
1133 | * idea copied from glib g_ascii_strtod with | |
1134 | * permission of the author (Alexander Larsson) | |
1135 | */ | |
1136 | ||
1137 | #include <locale.h> | |
1138 | ||
1139 | static double | |
1140 | FcStrtod (char *s, char **end) | |
1141 | { | |
1142 | struct lconv *locale_data; | |
1143 | char *dot; | |
1144 | double v; | |
1145 | ||
1146 | /* | |
1147 | * Have to swap the decimal point to match the current locale | |
1148 | * if that locale doesn't use 0x2e | |
1149 | */ | |
1150 | if ((dot = strchr (s, 0x2e)) && | |
1151 | (locale_data = localeconv ()) && | |
1152 | (locale_data->decimal_point[0] != 0x2e || | |
1153 | locale_data->decimal_point[1] != 0)) | |
1154 | { | |
1155 | char buf[128]; | |
1156 | int slen = strlen (s); | |
1157 | int dlen = strlen (locale_data->decimal_point); | |
1158 | ||
1159 | if (slen + dlen > (int) sizeof (buf)) | |
1160 | { | |
1161 | if (end) | |
1162 | *end = s; | |
1163 | v = 0; | |
1164 | } | |
1165 | else | |
1166 | { | |
1167 | char *buf_end; | |
1168 | /* mantissa */ | |
1169 | strncpy (buf, s, dot - s); | |
1170 | /* decimal point */ | |
1171 | strcpy (buf + (dot - s), locale_data->decimal_point); | |
1172 | /* rest of number */ | |
1173 | strcpy (buf + (dot - s) + dlen, dot + 1); | |
1174 | buf_end = 0; | |
1175 | v = strtod (buf, &buf_end); | |
1176 | if (buf_end) { | |
1177 | buf_end = s + (buf_end - buf); | |
1178 | if (buf_end > dot) | |
1179 | buf_end -= dlen - 1; | |
1180 | } | |
1181 | if (end) | |
1182 | *end = buf_end; | |
1183 | } | |
1184 | } | |
1185 | else | |
1186 | v = strtod (s, end); | |
1187 | return v; | |
1188 | } | |
1189 | ||
1190 | static void | |
1191 | FcParseDouble (FcConfigParse *parse) | |
1192 | { | |
1193 | FcChar8 *s, *end; | |
1194 | double d; | |
1195 | ||
1196 | if (!parse->pstack) | |
1197 | return; | |
1198 | s = FcStrBufDone (&parse->pstack->str); | |
1199 | if (!s) | |
1200 | { | |
1201 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1202 | return; | |
1203 | } | |
1204 | end = 0; | |
1205 | d = FcStrtod ((char *) s, (char **)&end); | |
1206 | if (end != s + strlen ((char *) s)) | |
1207 | FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid double", s); | |
1208 | else | |
1209 | FcVStackPushDouble (parse, d); | |
1210 | FcStrFree (s); | |
1211 | } | |
1212 | ||
1213 | static void | |
1214 | FcParseString (FcConfigParse *parse, FcVStackTag tag) | |
1215 | { | |
1216 | FcChar8 *s; | |
1217 | ||
1218 | if (!parse->pstack) | |
1219 | return; | |
1220 | s = FcStrBufDone (&parse->pstack->str); | |
1221 | if (!s) | |
1222 | { | |
1223 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1224 | return; | |
1225 | } | |
1226 | if (!FcVStackPushString (parse, tag, s)) | |
1227 | FcStrFree (s); | |
1228 | } | |
1229 | ||
1230 | static void | |
1231 | FcParseMatrix (FcConfigParse *parse) | |
1232 | { | |
1233 | FcVStack *vstack; | |
1234 | enum { m_done, m_xx, m_xy, m_yx, m_yy } matrix_state = m_yy; | |
1235 | FcMatrix m; | |
1236 | ||
1237 | while ((vstack = FcVStackPop (parse))) | |
1238 | { | |
1239 | double v; | |
1240 | switch (vstack->tag) { | |
1241 | case FcVStackInteger: | |
1242 | v = vstack->u.integer; | |
1243 | break; | |
1244 | case FcVStackDouble: | |
1245 | v = vstack->u._double; | |
1246 | break; | |
1247 | default: | |
1248 | FcConfigMessage (parse, FcSevereError, "non-double matrix element"); | |
1249 | v = 1.0; | |
1250 | break; | |
1251 | } | |
1252 | switch (matrix_state) { | |
1253 | case m_xx: m.xx = v; break; | |
1254 | case m_xy: m.xy = v; break; | |
1255 | case m_yx: m.yx = v; break; | |
1256 | case m_yy: m.yy = v; break; | |
1257 | default: break; | |
1258 | } | |
1259 | FcVStackDestroy (vstack); | |
1260 | matrix_state--; | |
1261 | } | |
1262 | if (matrix_state != m_done) | |
1263 | FcConfigMessage (parse, FcSevereError, "wrong number of matrix elements"); | |
1264 | else | |
1265 | FcVStackPushMatrix (parse, &m); | |
1266 | } | |
1267 | ||
1268 | static FcBool | |
1269 | FcConfigLexBool (FcConfigParse *parse, const FcChar8 *bool_) | |
1270 | { | |
1271 | FcBool result = FcFalse; | |
1272 | ||
1273 | if (!FcNameBool (bool_, &result)) | |
1274 | FcConfigMessage (parse, FcSevereWarning, "\"%s\" is not known boolean", | |
1275 | bool_); | |
1276 | return result; | |
1277 | } | |
1278 | ||
1279 | static void | |
1280 | FcParseBool (FcConfigParse *parse) | |
1281 | { | |
1282 | FcChar8 *s; | |
1283 | ||
1284 | if (!parse->pstack) | |
1285 | return; | |
1286 | s = FcStrBufDone (&parse->pstack->str); | |
1287 | if (!s) | |
1288 | { | |
1289 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1290 | return; | |
1291 | } | |
1292 | FcVStackPushBool (parse, FcConfigLexBool (parse, s)); | |
1293 | FcStrFree (s); | |
1294 | } | |
1295 | ||
1296 | static FcBool | |
1297 | FcConfigLexBinding (FcConfigParse *parse, | |
1298 | const FcChar8 *binding_string, | |
1299 | FcValueBinding *binding_ret) | |
1300 | { | |
1301 | FcValueBinding binding; | |
1302 | ||
1303 | if (!binding_string) | |
1304 | binding = FcValueBindingWeak; | |
1305 | else | |
1306 | { | |
1307 | if (!strcmp ((char *) binding_string, "weak")) | |
1308 | binding = FcValueBindingWeak; | |
1309 | else if (!strcmp ((char *) binding_string, "strong")) | |
1310 | binding = FcValueBindingStrong; | |
1311 | else if (!strcmp ((char *) binding_string, "same")) | |
1312 | binding = FcValueBindingSame; | |
1313 | else | |
1314 | { | |
1315 | FcConfigMessage (parse, FcSevereWarning, "invalid binding \"%s\"", binding_string); | |
1316 | return FcFalse; | |
1317 | } | |
1318 | } | |
1319 | *binding_ret = binding; | |
1320 | return FcTrue; | |
1321 | } | |
1322 | ||
1323 | static void | |
1324 | FcParseFamilies (FcConfigParse *parse, FcVStackTag tag) | |
1325 | { | |
1326 | FcVStack *vstack; | |
1327 | FcExpr *left, *expr = 0, *new; | |
1328 | ||
1329 | while ((vstack = FcVStackPop (parse))) | |
1330 | { | |
1331 | if (vstack->tag != FcVStackFamily) | |
1332 | { | |
1333 | FcConfigMessage (parse, FcSevereWarning, "non-family"); | |
1334 | FcVStackDestroy (vstack); | |
1335 | continue; | |
1336 | } | |
1337 | left = vstack->u.expr; | |
1338 | vstack->tag = FcVStackNone; | |
1339 | FcVStackDestroy (vstack); | |
1340 | if (expr) | |
1341 | { | |
1342 | new = FcExprCreateOp (left, FcOpComma, expr); | |
1343 | if (!new) | |
1344 | { | |
1345 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1346 | FcExprDestroy (left); | |
1347 | FcExprDestroy (expr); | |
1348 | break; | |
1349 | } | |
1350 | expr = new; | |
1351 | } | |
1352 | else | |
1353 | expr = left; | |
1354 | } | |
1355 | if (expr) | |
1356 | { | |
1357 | if (!FcVStackPushExpr (parse, tag, expr)) | |
1358 | { | |
1359 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1360 | FcExprDestroy (expr); | |
1361 | } | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | static void | |
1366 | FcParseFamily (FcConfigParse *parse) | |
1367 | { | |
1368 | FcChar8 *s; | |
1369 | FcExpr *expr; | |
1370 | ||
1371 | if (!parse->pstack) | |
1372 | return; | |
1373 | s = FcStrBufDone (&parse->pstack->str); | |
1374 | if (!s) | |
1375 | { | |
1376 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1377 | return; | |
1378 | } | |
1379 | expr = FcExprCreateString (s); | |
1380 | FcStrFree (s); | |
1381 | if (expr) | |
1382 | FcVStackPushExpr (parse, FcVStackFamily, expr); | |
1383 | } | |
1384 | ||
1385 | static void | |
1386 | FcParseAlias (FcConfigParse *parse) | |
1387 | { | |
1388 | FcExpr *family = 0, *accept = 0, *prefer = 0, *def = 0, *new = 0; | |
1389 | FcEdit *edit = 0, *next; | |
1390 | FcVStack *vstack; | |
1391 | FcTest *test; | |
1392 | FcValueBinding binding; | |
1393 | ||
1394 | if (!FcConfigLexBinding (parse, FcConfigGetAttribute (parse, "binding"), &binding)) | |
1395 | return; | |
1396 | while ((vstack = FcVStackPop (parse))) | |
1397 | { | |
1398 | switch (vstack->tag) { | |
1399 | case FcVStackFamily: | |
1400 | if (family) | |
1401 | { | |
1402 | new = FcExprCreateOp (vstack->u.expr, FcOpComma, family); | |
1403 | if (!new) | |
1404 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1405 | else | |
1406 | family = new; | |
1407 | } | |
1408 | else | |
1409 | new = vstack->u.expr; | |
1410 | if (new) | |
1411 | { | |
1412 | family = new; | |
1413 | vstack->tag = FcVStackNone; | |
1414 | } | |
1415 | break; | |
1416 | case FcVStackPrefer: | |
1417 | if (prefer) | |
1418 | FcExprDestroy (prefer); | |
1419 | prefer = vstack->u.expr; | |
1420 | vstack->tag = FcVStackNone; | |
1421 | break; | |
1422 | case FcVStackAccept: | |
1423 | if (accept) | |
1424 | FcExprDestroy (accept); | |
1425 | accept = vstack->u.expr; | |
1426 | vstack->tag = FcVStackNone; | |
1427 | break; | |
1428 | case FcVStackDefault: | |
1429 | if (def) | |
1430 | FcExprDestroy (def); | |
1431 | def = vstack->u.expr; | |
1432 | vstack->tag = FcVStackNone; | |
1433 | break; | |
1434 | default: | |
1435 | FcConfigMessage (parse, FcSevereWarning, "bad alias"); | |
1436 | break; | |
1437 | } | |
1438 | FcVStackDestroy (vstack); | |
1439 | } | |
1440 | if (!family) | |
1441 | { | |
1442 | FcConfigMessage (parse, FcSevereError, "missing family in alias"); | |
1443 | if (prefer) | |
1444 | FcExprDestroy (prefer); | |
1445 | if (accept) | |
1446 | FcExprDestroy (accept); | |
1447 | if (def) | |
1448 | FcExprDestroy (def); | |
1449 | return; | |
1450 | } | |
1451 | if (prefer) | |
1452 | { | |
1453 | edit = FcEditCreate (parse, | |
1454 | FC_FAMILY_OBJECT, | |
1455 | FcOpPrepend, | |
1456 | prefer, | |
1457 | binding); | |
1458 | if (edit) | |
1459 | edit->next = 0; | |
1460 | else | |
1461 | FcExprDestroy (prefer); | |
1462 | } | |
1463 | if (accept) | |
1464 | { | |
1465 | next = edit; | |
1466 | edit = FcEditCreate (parse, | |
1467 | FC_FAMILY_OBJECT, | |
1468 | FcOpAppend, | |
1469 | accept, | |
1470 | binding); | |
1471 | if (edit) | |
1472 | edit->next = next; | |
1473 | else | |
1474 | FcExprDestroy (accept); | |
1475 | } | |
1476 | if (def) | |
1477 | { | |
1478 | next = edit; | |
1479 | edit = FcEditCreate (parse, | |
1480 | FC_FAMILY_OBJECT, | |
1481 | FcOpAppendLast, | |
1482 | def, | |
1483 | binding); | |
1484 | if (edit) | |
1485 | edit->next = next; | |
1486 | else | |
1487 | FcExprDestroy (def); | |
1488 | } | |
1489 | if (edit) | |
1490 | { | |
1491 | test = FcTestCreate (parse, FcMatchPattern, | |
1492 | FcQualAny, | |
1493 | (FcChar8 *) FC_FAMILY, | |
1494 | FcOpEqual, | |
1495 | family); | |
1496 | if (test) | |
1497 | if (!FcConfigAddEdit (parse->config, test, edit, FcMatchPattern)) | |
1498 | FcTestDestroy (test); | |
1499 | } | |
1500 | else | |
1501 | FcExprDestroy (family); | |
1502 | } | |
1503 | ||
1504 | static FcExpr * | |
1505 | FcPopExpr (FcConfigParse *parse) | |
1506 | { | |
1507 | FcVStack *vstack = FcVStackPop (parse); | |
1508 | FcExpr *expr = 0; | |
1509 | if (!vstack) | |
1510 | return 0; | |
1511 | switch (vstack->tag) { | |
1512 | case FcVStackNone: | |
1513 | break; | |
1514 | case FcVStackString: | |
1515 | case FcVStackFamily: | |
1516 | expr = FcExprCreateString (vstack->u.string); | |
1517 | break; | |
1518 | case FcVStackField: | |
1519 | expr = FcExprCreateField ((char *) vstack->u.string); | |
1520 | break; | |
1521 | case FcVStackConstant: | |
1522 | expr = FcExprCreateConst (vstack->u.string); | |
1523 | break; | |
1524 | case FcVStackGlob: | |
1525 | /* XXX: What's the correct action here? (CDW) */ | |
1526 | break; | |
1527 | case FcVStackPrefer: | |
1528 | case FcVStackAccept: | |
1529 | case FcVStackDefault: | |
1530 | expr = vstack->u.expr; | |
1531 | vstack->tag = FcVStackNone; | |
1532 | break; | |
1533 | case FcVStackInteger: | |
1534 | expr = FcExprCreateInteger (vstack->u.integer); | |
1535 | break; | |
1536 | case FcVStackDouble: | |
1537 | expr = FcExprCreateDouble (vstack->u._double); | |
1538 | break; | |
1539 | case FcVStackMatrix: | |
1540 | expr = FcExprCreateMatrix (vstack->u.matrix); | |
1541 | break; | |
1542 | case FcVStackBool: | |
1543 | expr = FcExprCreateBool (vstack->u.bool_); | |
1544 | break; | |
1545 | case FcVStackTest: | |
1546 | break; | |
1547 | case FcVStackExpr: | |
1548 | expr = vstack->u.expr; | |
1549 | vstack->tag = FcVStackNone; | |
1550 | break; | |
1551 | case FcVStackEdit: | |
1552 | break; | |
1553 | default: | |
1554 | break; | |
1555 | } | |
1556 | FcVStackDestroy (vstack); | |
1557 | return expr; | |
1558 | } | |
1559 | ||
1560 | /* | |
1561 | * This builds a tree of binary operations. Note | |
1562 | * that every operator is defined so that if only | |
1563 | * a single operand is contained, the value of the | |
1564 | * whole expression is the value of the operand. | |
1565 | * | |
1566 | * This code reduces in that case to returning that | |
1567 | * operand. | |
1568 | */ | |
1569 | static FcExpr * | |
1570 | FcPopBinary (FcConfigParse *parse, FcOp op) | |
1571 | { | |
1572 | FcExpr *left, *expr = 0, *new; | |
1573 | ||
1574 | while ((left = FcPopExpr (parse))) | |
1575 | { | |
1576 | if (expr) | |
1577 | { | |
1578 | new = FcExprCreateOp (left, op, expr); | |
1579 | if (!new) | |
1580 | { | |
1581 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1582 | FcExprDestroy (left); | |
1583 | FcExprDestroy (expr); | |
1584 | return 0; | |
1585 | } | |
1586 | expr = new; | |
1587 | } | |
1588 | else | |
1589 | expr = left; | |
1590 | } | |
1591 | return expr; | |
1592 | } | |
1593 | ||
1594 | static void | |
1595 | FcParseBinary (FcConfigParse *parse, FcOp op) | |
1596 | { | |
1597 | FcExpr *expr = FcPopBinary (parse, op); | |
1598 | if (expr) | |
1599 | FcVStackPushExpr (parse, FcVStackExpr, expr); | |
1600 | } | |
1601 | ||
1602 | /* | |
1603 | * This builds a a unary operator, it consumes only | |
1604 | * a single operand | |
1605 | */ | |
1606 | ||
1607 | static FcExpr * | |
1608 | FcPopUnary (FcConfigParse *parse, FcOp op) | |
1609 | { | |
1610 | FcExpr *operand, *new = 0; | |
1611 | ||
1612 | if ((operand = FcPopExpr (parse))) | |
1613 | { | |
1614 | new = FcExprCreateOp (operand, op, 0); | |
1615 | if (!new) | |
1616 | { | |
1617 | FcExprDestroy (operand); | |
1618 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1619 | } | |
1620 | } | |
1621 | return new; | |
1622 | } | |
1623 | ||
1624 | static void | |
1625 | FcParseUnary (FcConfigParse *parse, FcOp op) | |
1626 | { | |
1627 | FcExpr *expr = FcPopUnary (parse, op); | |
1628 | if (expr) | |
1629 | FcVStackPushExpr (parse, FcVStackExpr, expr); | |
1630 | } | |
1631 | ||
1632 | static void | |
1633 | FcParseInclude (FcConfigParse *parse) | |
1634 | { | |
1635 | FcChar8 *s; | |
1636 | const FcChar8 *i; | |
1637 | FcBool ignore_missing = FcFalse; | |
1638 | ||
1639 | s = FcStrBufDone (&parse->pstack->str); | |
1640 | if (!s) | |
1641 | { | |
1642 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1643 | return; | |
1644 | } | |
1645 | i = FcConfigGetAttribute (parse, "ignore_missing"); | |
1646 | if (i && FcConfigLexBool (parse, (FcChar8 *) i) == FcTrue) | |
1647 | ignore_missing = FcTrue; | |
1648 | if (!FcConfigParseAndLoad (parse->config, s, !ignore_missing)) | |
1649 | parse->error = FcTrue; | |
1650 | FcStrFree (s); | |
1651 | } | |
1652 | ||
1653 | typedef struct _FcOpMap { | |
1654 | char name[16]; | |
1655 | FcOp op; | |
1656 | } FcOpMap; | |
1657 | ||
1658 | static FcOp | |
1659 | FcConfigLexOp (const FcChar8 *op, const FcOpMap *map, int nmap) | |
1660 | { | |
1661 | int i; | |
1662 | ||
1663 | for (i = 0; i < nmap; i++) | |
1664 | if (!strcmp ((char *) op, map[i].name)) | |
1665 | return map[i].op; | |
1666 | return FcOpInvalid; | |
1667 | } | |
1668 | ||
1669 | static const FcOpMap fcCompareOps[] = { | |
1670 | { "eq", FcOpEqual }, | |
1671 | { "not_eq", FcOpNotEqual }, | |
1672 | { "less", FcOpLess }, | |
1673 | { "less_eq", FcOpLessEqual }, | |
1674 | { "more", FcOpMore }, | |
1675 | { "more_eq", FcOpMoreEqual }, | |
1676 | { "contains", FcOpContains }, | |
1677 | { "not_contains", FcOpNotContains } | |
1678 | }; | |
1679 | ||
1680 | #define NUM_COMPARE_OPS (int) (sizeof fcCompareOps / sizeof fcCompareOps[0]) | |
1681 | ||
1682 | static FcOp | |
1683 | FcConfigLexCompare (const FcChar8 *compare) | |
1684 | { | |
1685 | return FcConfigLexOp (compare, fcCompareOps, NUM_COMPARE_OPS); | |
1686 | } | |
1687 | ||
1688 | static void | |
1689 | FcParseTest (FcConfigParse *parse) | |
1690 | { | |
1691 | const FcChar8 *kind_string; | |
1692 | FcMatchKind kind; | |
1693 | const FcChar8 *qual_string; | |
1694 | FcQual qual; | |
1695 | const FcChar8 *name; | |
1696 | const FcChar8 *compare_string; | |
1697 | FcOp compare; | |
1698 | FcExpr *expr; | |
1699 | FcTest *test; | |
1700 | ||
1701 | kind_string = FcConfigGetAttribute (parse, "target"); | |
1702 | if (!kind_string) | |
1703 | kind = FcMatchDefault; | |
1704 | else | |
1705 | { | |
1706 | if (!strcmp ((char *) kind_string, "pattern")) | |
1707 | kind = FcMatchPattern; | |
1708 | else if (!strcmp ((char *) kind_string, "font")) | |
1709 | kind = FcMatchFont; | |
1710 | else if (!strcmp ((char *) kind_string, "scan")) | |
1711 | kind = FcMatchScan; | |
1712 | else if (!strcmp ((char *) kind_string, "default")) | |
1713 | kind = FcMatchDefault; | |
1714 | else | |
1715 | { | |
1716 | FcConfigMessage (parse, FcSevereWarning, "invalid test target \"%s\"", kind_string); | |
1717 | return; | |
1718 | } | |
1719 | } | |
1720 | qual_string = FcConfigGetAttribute (parse, "qual"); | |
1721 | if (!qual_string) | |
1722 | qual = FcQualAny; | |
1723 | else | |
1724 | { | |
1725 | if (!strcmp ((char *) qual_string, "any")) | |
1726 | qual = FcQualAny; | |
1727 | else if (!strcmp ((char *) qual_string, "all")) | |
1728 | qual = FcQualAll; | |
1729 | else if (!strcmp ((char *) qual_string, "first")) | |
1730 | qual = FcQualFirst; | |
1731 | else if (!strcmp ((char *) qual_string, "not_first")) | |
1732 | qual = FcQualNotFirst; | |
1733 | else | |
1734 | { | |
1735 | FcConfigMessage (parse, FcSevereWarning, "invalid test qual \"%s\"", qual_string); | |
1736 | return; | |
1737 | } | |
1738 | } | |
1739 | name = FcConfigGetAttribute (parse, "name"); | |
1740 | if (!name) | |
1741 | { | |
1742 | FcConfigMessage (parse, FcSevereWarning, "missing test name"); | |
1743 | return; | |
1744 | } | |
1745 | compare_string = FcConfigGetAttribute (parse, "compare"); | |
1746 | if (!compare_string) | |
1747 | compare = FcOpEqual; | |
1748 | else | |
1749 | { | |
1750 | compare = FcConfigLexCompare (compare_string); | |
1751 | if (compare == FcOpInvalid) | |
1752 | { | |
1753 | FcConfigMessage (parse, FcSevereWarning, "invalid test compare \"%s\"", compare_string); | |
1754 | return; | |
1755 | } | |
1756 | } | |
1757 | expr = FcPopBinary (parse, FcOpComma); | |
1758 | if (!expr) | |
1759 | { | |
1760 | FcConfigMessage (parse, FcSevereWarning, "missing test expression"); | |
1761 | return; | |
1762 | } | |
1763 | test = FcTestCreate (parse, kind, qual, name, compare, expr); | |
1764 | if (!test) | |
1765 | { | |
1766 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1767 | return; | |
1768 | } | |
1769 | FcVStackPushTest (parse, test); | |
1770 | } | |
1771 | ||
1772 | static const FcOpMap fcModeOps[] = { | |
1773 | { "assign", FcOpAssign }, | |
1774 | { "assign_replace", FcOpAssignReplace }, | |
1775 | { "prepend", FcOpPrepend }, | |
1776 | { "prepend_first", FcOpPrependFirst }, | |
1777 | { "append", FcOpAppend }, | |
1778 | { "append_last", FcOpAppendLast }, | |
1779 | }; | |
1780 | ||
1781 | #define NUM_MODE_OPS (int) (sizeof fcModeOps / sizeof fcModeOps[0]) | |
1782 | ||
1783 | static FcOp | |
1784 | FcConfigLexMode (const FcChar8 *mode) | |
1785 | { | |
1786 | return FcConfigLexOp (mode, fcModeOps, NUM_MODE_OPS); | |
1787 | } | |
1788 | ||
1789 | static void | |
1790 | FcParseEdit (FcConfigParse *parse) | |
1791 | { | |
1792 | const FcChar8 *name; | |
1793 | const FcChar8 *mode_string; | |
1794 | FcOp mode; | |
1795 | FcValueBinding binding; | |
1796 | FcExpr *expr; | |
1797 | FcEdit *edit; | |
1798 | ||
1799 | name = FcConfigGetAttribute (parse, "name"); | |
1800 | if (!name) | |
1801 | { | |
1802 | FcConfigMessage (parse, FcSevereWarning, "missing edit name"); | |
1803 | return; | |
1804 | } | |
1805 | mode_string = FcConfigGetAttribute (parse, "mode"); | |
1806 | if (!mode_string) | |
1807 | mode = FcOpAssign; | |
1808 | else | |
1809 | { | |
1810 | mode = FcConfigLexMode (mode_string); | |
1811 | if (mode == FcOpInvalid) | |
1812 | { | |
1813 | FcConfigMessage (parse, FcSevereWarning, "invalid edit mode \"%s\"", mode_string); | |
1814 | return; | |
1815 | } | |
1816 | } | |
1817 | if (!FcConfigLexBinding (parse, FcConfigGetAttribute (parse, "binding"), &binding)) | |
1818 | return; | |
1819 | ||
1820 | expr = FcPopBinary (parse, FcOpComma); | |
1821 | edit = FcEditCreate (parse, FcObjectFromName ((char *) name), | |
1822 | mode, expr, binding); | |
1823 | if (!edit) | |
1824 | { | |
1825 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1826 | FcExprDestroy (expr); | |
1827 | return; | |
1828 | } | |
1829 | if (!FcVStackPushEdit (parse, edit)) | |
1830 | FcEditDestroy (edit); | |
1831 | } | |
1832 | ||
1833 | static void | |
1834 | FcParseMatch (FcConfigParse *parse) | |
1835 | { | |
1836 | const FcChar8 *kind_name; | |
1837 | FcMatchKind kind; | |
1838 | FcTest *test = 0; | |
1839 | FcEdit *edit = 0; | |
1840 | FcVStack *vstack; | |
1841 | ||
1842 | kind_name = FcConfigGetAttribute (parse, "target"); | |
1843 | if (!kind_name) | |
1844 | kind = FcMatchPattern; | |
1845 | else | |
1846 | { | |
1847 | if (!strcmp ((char *) kind_name, "pattern")) | |
1848 | kind = FcMatchPattern; | |
1849 | else if (!strcmp ((char *) kind_name, "font")) | |
1850 | kind = FcMatchFont; | |
1851 | else if (!strcmp ((char *) kind_name, "scan")) | |
1852 | kind = FcMatchScan; | |
1853 | else | |
1854 | { | |
1855 | FcConfigMessage (parse, FcSevereWarning, "invalid match target \"%s\"", kind_name); | |
1856 | return; | |
1857 | } | |
1858 | } | |
1859 | while ((vstack = FcVStackPop (parse))) | |
1860 | { | |
1861 | switch (vstack->tag) { | |
1862 | case FcVStackTest: | |
1863 | vstack->u.test->next = test; | |
1864 | test = vstack->u.test; | |
1865 | vstack->tag = FcVStackNone; | |
1866 | break; | |
1867 | case FcVStackEdit: | |
1868 | vstack->u.edit->next = edit; | |
1869 | edit = vstack->u.edit; | |
1870 | vstack->tag = FcVStackNone; | |
1871 | if (kind == FcMatchScan && edit->object > FC_MAX_BASE_OBJECT) | |
1872 | { | |
1873 | FcConfigMessage (parse, FcSevereError, | |
1874 | "<match target=\"scan\"> cannot edit user-defined object \"%s\"", | |
1875 | FcObjectName(edit->object)); | |
1876 | } | |
1877 | break; | |
1878 | default: | |
1879 | FcConfigMessage (parse, FcSevereWarning, "invalid match element"); | |
1880 | break; | |
1881 | } | |
1882 | FcVStackDestroy (vstack); | |
1883 | } | |
1884 | if (!FcConfigAddEdit (parse->config, test, edit, kind)) | |
1885 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1886 | } | |
1887 | ||
1888 | static void | |
1889 | FcParseAcceptRejectFont (FcConfigParse *parse, FcElement element) | |
1890 | { | |
1891 | FcVStack *vstack; | |
1892 | ||
1893 | while ((vstack = FcVStackPop (parse))) | |
1894 | { | |
1895 | switch (vstack->tag) { | |
1896 | case FcVStackGlob: | |
1897 | if (!FcConfigGlobAdd (parse->config, | |
1898 | vstack->u.string, | |
1899 | element == FcElementAcceptfont)) | |
1900 | { | |
1901 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1902 | } | |
1903 | break; | |
1904 | case FcVStackPattern: | |
1905 | if (!FcConfigPatternsAdd (parse->config, | |
1906 | vstack->u.pattern, | |
1907 | element == FcElementAcceptfont)) | |
1908 | { | |
1909 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1910 | } | |
1911 | else | |
1912 | vstack->tag = FcVStackNone; | |
1913 | break; | |
1914 | default: | |
1915 | FcConfigMessage (parse, FcSevereWarning, "bad font selector"); | |
1916 | break; | |
1917 | } | |
1918 | FcVStackDestroy (vstack); | |
1919 | } | |
1920 | } | |
1921 | ||
1922 | ||
1923 | static FcValue | |
1924 | FcPopValue (FcConfigParse *parse) | |
1925 | { | |
1926 | FcVStack *vstack = FcVStackPop (parse); | |
1927 | FcValue value; | |
1928 | ||
1929 | value.type = FcTypeVoid; | |
1930 | ||
1931 | if (!vstack) | |
1932 | return value; | |
1933 | ||
1934 | switch (vstack->tag) { | |
1935 | case FcVStackString: | |
1936 | value.u.s = FcStrCopy (vstack->u.string); | |
1937 | if (value.u.s) | |
1938 | value.type = FcTypeString; | |
1939 | break; | |
1940 | case FcVStackConstant: | |
1941 | if (FcNameConstant (vstack->u.string, &value.u.i)) | |
1942 | value.type = FcTypeInteger; | |
1943 | break; | |
1944 | case FcVStackInteger: | |
1945 | value.u.i = vstack->u.integer; | |
1946 | value.type = FcTypeInteger; | |
1947 | break; | |
1948 | case FcVStackDouble: | |
1949 | value.u.d = vstack->u._double; | |
1950 | value.type = FcTypeInteger; | |
1951 | break; | |
1952 | case FcVStackMatrix: | |
1953 | value.u.m = FcMatrixCopy (vstack->u.matrix); | |
1954 | if (value.u.m) | |
1955 | value.type = FcTypeMatrix; | |
1956 | break; | |
1957 | case FcVStackBool: | |
1958 | value.u.b = vstack->u.bool_; | |
1959 | value.type = FcTypeBool; | |
1960 | break; | |
1961 | default: | |
1962 | FcConfigMessage (parse, FcSevereWarning, "unknown pattern element %d", | |
1963 | vstack->tag); | |
1964 | break; | |
1965 | } | |
1966 | FcVStackDestroy (vstack); | |
1967 | ||
1968 | return value; | |
1969 | } | |
1970 | ||
1971 | static void | |
1972 | FcParsePatelt (FcConfigParse *parse) | |
1973 | { | |
1974 | FcValue value; | |
1975 | FcPattern *pattern = FcPatternCreate (); | |
1976 | const char *name; | |
1977 | ||
1978 | if (!pattern) | |
1979 | { | |
1980 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1981 | return; | |
1982 | } | |
1983 | ||
1984 | name = (char *) FcConfigGetAttribute (parse, "name"); | |
1985 | if (!name) | |
1986 | { | |
1987 | FcConfigMessage (parse, FcSevereWarning, "missing pattern element name"); | |
1988 | FcPatternDestroy (pattern); | |
1989 | return; | |
1990 | } | |
1991 | ||
1992 | for (;;) | |
1993 | { | |
1994 | value = FcPopValue (parse); | |
1995 | if (value.type == FcTypeVoid) | |
1996 | break; | |
1997 | if (!FcPatternAdd (pattern, name, value, FcTrue)) | |
1998 | { | |
1999 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2000 | FcValueDestroy(value); | |
2001 | break; | |
2002 | } | |
2003 | FcValueDestroy(value); | |
2004 | } | |
2005 | ||
2006 | FcVStackPushPattern (parse, pattern); | |
2007 | } | |
2008 | ||
2009 | static void | |
2010 | FcParsePattern (FcConfigParse *parse) | |
2011 | { | |
2012 | FcVStack *vstack; | |
2013 | FcPattern *pattern = FcPatternCreate (); | |
2014 | ||
2015 | if (!pattern) | |
2016 | { | |
2017 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2018 | return; | |
2019 | } | |
2020 | ||
2021 | while ((vstack = FcVStackPop (parse))) | |
2022 | { | |
2023 | switch (vstack->tag) { | |
2024 | case FcVStackPattern: | |
2025 | if (!FcPatternAppend (pattern, vstack->u.pattern)) | |
2026 | { | |
2027 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2028 | FcPatternDestroy (pattern); | |
2029 | return; | |
2030 | } | |
2031 | break; | |
2032 | default: | |
2033 | FcConfigMessage (parse, FcSevereWarning, "unknown pattern element"); | |
2034 | break; | |
2035 | } | |
2036 | FcVStackDestroy (vstack); | |
2037 | } | |
2038 | ||
2039 | FcVStackPushPattern (parse, pattern); | |
2040 | } | |
2041 | ||
2042 | static void | |
2043 | FcEndElement(void *userData, const XML_Char *name) | |
2044 | { | |
2045 | FcConfigParse *parse = userData; | |
2046 | FcChar8 *data; | |
2047 | ||
2048 | if (!parse->pstack) | |
2049 | return; | |
2050 | switch (parse->pstack->element) { | |
2051 | case FcElementNone: | |
2052 | break; | |
2053 | case FcElementFontconfig: | |
2054 | break; | |
2055 | case FcElementDir: | |
2056 | data = FcStrBufDone (&parse->pstack->str); | |
2057 | if (!data) | |
2058 | { | |
2059 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2060 | break; | |
2061 | } | |
2062 | #ifdef _WIN32 | |
2063 | if (strcmp (data, "CUSTOMFONTDIR") == 0) | |
2064 | { | |
2065 | char *p; | |
2066 | FcStrFree (data); | |
2067 | data = malloc (1000); | |
2068 | if (!data) | |
2069 | { | |
2070 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2071 | break; | |
2072 | } | |
2073 | FcMemAlloc (FC_MEM_STRING, 1000); | |
2074 | if(!GetModuleFileName(NULL, data, 1000)) | |
2075 | { | |
2076 | FcConfigMessage (parse, FcSevereError, "GetModuleFileName failed"); | |
2077 | FcStrFree (data); | |
2078 | break; | |
2079 | } | |
2080 | p = strrchr (data, '\\'); | |
2081 | if (p) *p = '\0'; | |
2082 | strcat (data, "\\fonts"); | |
2083 | } | |
2084 | else if (strcmp (data, "APPSHAREFONTDIR") == 0) | |
2085 | { | |
2086 | char *p; | |
2087 | FcStrFree (data); | |
2088 | data = malloc (1000); | |
2089 | if (!data) | |
2090 | { | |
2091 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2092 | break; | |
2093 | } | |
2094 | FcMemAlloc (FC_MEM_STRING, 1000); | |
2095 | if(!GetModuleFileName(NULL, data, 1000)) | |
2096 | { | |
2097 | FcConfigMessage (parse, FcSevereError, "GetModuleFileName failed"); | |
2098 | FcStrFree (data); | |
2099 | break; | |
2100 | } | |
2101 | p = strrchr (data, '\\'); | |
2102 | if (p) *p = '\0'; | |
2103 | strcat (data, "\\..\\share\\fonts"); | |
2104 | } | |
2105 | else if (strcmp (data, "WINDOWSFONTDIR") == 0) | |
2106 | { | |
2107 | int rc; | |
2108 | FcStrFree (data); | |
2109 | data = malloc (1000); | |
2110 | if (!data) | |
2111 | { | |
2112 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2113 | break; | |
2114 | } | |
2115 | FcMemAlloc (FC_MEM_STRING, 1000); | |
2116 | rc = GetWindowsDirectory (data, 800); | |
2117 | if (rc == 0 || rc > 800) | |
2118 | { | |
2119 | FcConfigMessage (parse, FcSevereError, "GetWindowsDirectory failed"); | |
2120 | FcStrFree (data); | |
2121 | break; | |
2122 | } | |
2123 | if (data [strlen (data) - 1] != '\\') | |
2124 | strcat (data, "\\"); | |
2125 | strcat (data, "fonts"); | |
2126 | } | |
2127 | #endif | |
2128 | if (strlen ((char *) data) == 0) | |
2129 | FcConfigMessage (parse, FcSevereWarning, "empty font directory name ignored"); | |
2130 | else if (!FcStrUsesHome (data) || FcConfigHome ()) | |
2131 | { | |
2132 | if (!FcConfigAddDir (parse->config, data)) | |
2133 | FcConfigMessage (parse, FcSevereError, "out of memory; cannot add directory %s", data); | |
2134 | } | |
2135 | FcStrFree (data); | |
2136 | break; | |
2137 | case FcElementCacheDir: | |
2138 | data = FcStrBufDone (&parse->pstack->str); | |
2139 | if (!data) | |
2140 | { | |
2141 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2142 | break; | |
2143 | } | |
2144 | #ifdef _WIN32 | |
2145 | if (strcmp (data, "WINDOWSTEMPDIR_FONTCONFIG_CACHE") == 0) | |
2146 | { | |
2147 | int rc; | |
2148 | FcStrFree (data); | |
2149 | data = malloc (1000); | |
2150 | if (!data) | |
2151 | { | |
2152 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2153 | break; | |
2154 | } | |
2155 | FcMemAlloc (FC_MEM_STRING, 1000); | |
2156 | rc = GetTempPath (800, data); | |
2157 | if (rc == 0 || rc > 800) | |
2158 | { | |
2159 | FcConfigMessage (parse, FcSevereError, "GetWindowsDirectory failed"); | |
2160 | FcStrFree (data); | |
2161 | break; | |
2162 | } | |
2163 | if (data [strlen (data) - 1] != '\\') | |
2164 | strcat (data, "\\"); | |
2165 | strcat (data, "fontconfig\\cache"); | |
2166 | } | |
2167 | #endif | |
2168 | if (!FcStrUsesHome (data) || FcConfigHome ()) | |
2169 | { | |
2170 | if (!FcConfigAddCacheDir (parse->config, data)) | |
2171 | FcConfigMessage (parse, FcSevereError, "out of memory; cannot add cache directory %s", data); | |
2172 | } | |
2173 | FcStrFree (data); | |
2174 | break; | |
2175 | ||
2176 | case FcElementCache: | |
2177 | data = FcStrBufDone (&parse->pstack->str); | |
2178 | if (!data) | |
2179 | { | |
2180 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2181 | break; | |
2182 | } | |
2183 | /* discard this data; no longer used */ | |
2184 | FcStrFree (data); | |
2185 | break; | |
2186 | case FcElementInclude: | |
2187 | FcParseInclude (parse); | |
2188 | break; | |
2189 | case FcElementConfig: | |
2190 | break; | |
2191 | case FcElementMatch: | |
2192 | FcParseMatch (parse); | |
2193 | break; | |
2194 | case FcElementAlias: | |
2195 | FcParseAlias (parse); | |
2196 | break; | |
2197 | ||
2198 | case FcElementBlank: | |
2199 | FcParseBlank (parse); | |
2200 | break; | |
2201 | case FcElementRescan: | |
2202 | FcParseRescan (parse); | |
2203 | break; | |
2204 | ||
2205 | case FcElementPrefer: | |
2206 | FcParseFamilies (parse, FcVStackPrefer); | |
2207 | break; | |
2208 | case FcElementAccept: | |
2209 | FcParseFamilies (parse, FcVStackAccept); | |
2210 | break; | |
2211 | case FcElementDefault: | |
2212 | FcParseFamilies (parse, FcVStackDefault); | |
2213 | break; | |
2214 | case FcElementFamily: | |
2215 | FcParseFamily (parse); | |
2216 | break; | |
2217 | ||
2218 | case FcElementTest: | |
2219 | FcParseTest (parse); | |
2220 | break; | |
2221 | case FcElementEdit: | |
2222 | FcParseEdit (parse); | |
2223 | break; | |
2224 | ||
2225 | case FcElementInt: | |
2226 | FcParseInt (parse); | |
2227 | break; | |
2228 | case FcElementDouble: | |
2229 | FcParseDouble (parse); | |
2230 | break; | |
2231 | case FcElementString: | |
2232 | FcParseString (parse, FcVStackString); | |
2233 | break; | |
2234 | case FcElementMatrix: | |
2235 | FcParseMatrix (parse); | |
2236 | break; | |
2237 | case FcElementBool: | |
2238 | FcParseBool (parse); | |
2239 | break; | |
2240 | case FcElementCharset: | |
2241 | /* FcParseCharset (parse); */ | |
2242 | break; | |
2243 | case FcElementSelectfont: | |
2244 | break; | |
2245 | case FcElementAcceptfont: | |
2246 | case FcElementRejectfont: | |
2247 | FcParseAcceptRejectFont (parse, parse->pstack->element); | |
2248 | break; | |
2249 | case FcElementGlob: | |
2250 | FcParseString (parse, FcVStackGlob); | |
2251 | break; | |
2252 | case FcElementPattern: | |
2253 | FcParsePattern (parse); | |
2254 | break; | |
2255 | case FcElementPatelt: | |
2256 | FcParsePatelt (parse); | |
2257 | break; | |
2258 | case FcElementName: | |
2259 | FcParseString (parse, FcVStackField); | |
2260 | break; | |
2261 | case FcElementConst: | |
2262 | FcParseString (parse, FcVStackConstant); | |
2263 | break; | |
2264 | case FcElementOr: | |
2265 | FcParseBinary (parse, FcOpOr); | |
2266 | break; | |
2267 | case FcElementAnd: | |
2268 | FcParseBinary (parse, FcOpAnd); | |
2269 | break; | |
2270 | case FcElementEq: | |
2271 | FcParseBinary (parse, FcOpEqual); | |
2272 | break; | |
2273 | case FcElementNotEq: | |
2274 | FcParseBinary (parse, FcOpNotEqual); | |
2275 | break; | |
2276 | case FcElementLess: | |
2277 | FcParseBinary (parse, FcOpLess); | |
2278 | break; | |
2279 | case FcElementLessEq: | |
2280 | FcParseBinary (parse, FcOpLessEqual); | |
2281 | break; | |
2282 | case FcElementMore: | |
2283 | FcParseBinary (parse, FcOpMore); | |
2284 | break; | |
2285 | case FcElementMoreEq: | |
2286 | FcParseBinary (parse, FcOpMoreEqual); | |
2287 | break; | |
2288 | case FcElementContains: | |
2289 | FcParseBinary (parse, FcOpContains); | |
2290 | break; | |
2291 | case FcElementNotContains: | |
2292 | FcParseBinary (parse, FcOpNotContains); | |
2293 | break; | |
2294 | case FcElementPlus: | |
2295 | FcParseBinary (parse, FcOpPlus); | |
2296 | break; | |
2297 | case FcElementMinus: | |
2298 | FcParseBinary (parse, FcOpMinus); | |
2299 | break; | |
2300 | case FcElementTimes: | |
2301 | FcParseBinary (parse, FcOpTimes); | |
2302 | break; | |
2303 | case FcElementDivide: | |
2304 | FcParseBinary (parse, FcOpDivide); | |
2305 | break; | |
2306 | case FcElementNot: | |
2307 | FcParseUnary (parse, FcOpNot); | |
2308 | break; | |
2309 | case FcElementIf: | |
2310 | FcParseBinary (parse, FcOpQuest); | |
2311 | break; | |
2312 | case FcElementFloor: | |
2313 | FcParseUnary (parse, FcOpFloor); | |
2314 | break; | |
2315 | case FcElementCeil: | |
2316 | FcParseUnary (parse, FcOpCeil); | |
2317 | break; | |
2318 | case FcElementRound: | |
2319 | FcParseUnary (parse, FcOpRound); | |
2320 | break; | |
2321 | case FcElementTrunc: | |
2322 | FcParseUnary (parse, FcOpTrunc); | |
2323 | break; | |
2324 | case FcElementUnknown: | |
2325 | break; | |
2326 | } | |
2327 | (void) FcPStackPop (parse); | |
2328 | } | |
2329 | ||
2330 | static void | |
2331 | FcCharacterData (void *userData, const XML_Char *s, int len) | |
2332 | { | |
2333 | FcConfigParse *parse = userData; | |
2334 | ||
2335 | if (!parse->pstack) | |
2336 | return; | |
2337 | if (!FcStrBufData (&parse->pstack->str, (FcChar8 *) s, len)) | |
2338 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2339 | } | |
2340 | ||
2341 | static void | |
2342 | FcStartDoctypeDecl (void *userData, | |
2343 | const XML_Char *doctypeName, | |
2344 | const XML_Char *sysid, | |
2345 | const XML_Char *pubid, | |
2346 | int has_internal_subset) | |
2347 | { | |
2348 | FcConfigParse *parse = userData; | |
2349 | ||
2350 | if (strcmp ((char *) doctypeName, "fontconfig") != 0) | |
2351 | FcConfigMessage (parse, FcSevereError, "invalid doctype \"%s\"", doctypeName); | |
2352 | } | |
2353 | ||
2354 | #ifdef ENABLE_LIBXML2 | |
2355 | ||
2356 | static void | |
2357 | FcInternalSubsetDecl (void *userData, | |
2358 | const XML_Char *doctypeName, | |
2359 | const XML_Char *sysid, | |
2360 | const XML_Char *pubid) | |
2361 | { | |
2362 | FcStartDoctypeDecl (userData, doctypeName, sysid, pubid, 1); | |
2363 | } | |
2364 | ||
2365 | static void | |
2366 | FcExternalSubsetDecl (void *userData, | |
2367 | const XML_Char *doctypeName, | |
2368 | const XML_Char *sysid, | |
2369 | const XML_Char *pubid) | |
2370 | { | |
2371 | FcStartDoctypeDecl (userData, doctypeName, sysid, pubid, 0); | |
2372 | } | |
2373 | ||
2374 | #else /* ENABLE_LIBXML2 */ | |
2375 | ||
2376 | static void | |
2377 | FcEndDoctypeDecl (void *userData) | |
2378 | { | |
2379 | } | |
2380 | ||
2381 | #endif /* ENABLE_LIBXML2 */ | |
2382 | ||
2383 | static int | |
2384 | FcSortCmpStr (const void *a, const void *b) | |
2385 | { | |
2386 | const FcChar8 *as = *((FcChar8 **) a); | |
2387 | const FcChar8 *bs = *((FcChar8 **) b); | |
2388 | return FcStrCmp (as, bs); | |
2389 | } | |
2390 | ||
2391 | static FcBool | |
2392 | FcConfigParseAndLoadDir (FcConfig *config, | |
2393 | const FcChar8 *name, | |
2394 | const FcChar8 *dir, | |
2395 | FcBool complain) | |
2396 | { | |
2397 | DIR *d; | |
2398 | struct dirent *e; | |
2399 | FcBool ret = FcTrue; | |
2400 | FcChar8 *file; | |
2401 | FcChar8 *base; | |
2402 | FcStrSet *files; | |
2403 | ||
2404 | d = opendir ((char *) dir); | |
2405 | if (!d) | |
2406 | { | |
2407 | if (complain) | |
2408 | FcConfigMessage (0, FcSevereError, "Cannot open config dir \"%s\"", | |
2409 | name); | |
2410 | ret = FcFalse; | |
2411 | goto bail0; | |
2412 | } | |
2413 | /* freed below */ | |
2414 | file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1); | |
2415 | if (!file) | |
2416 | { | |
2417 | ret = FcFalse; | |
2418 | goto bail1; | |
2419 | } | |
2420 | ||
2421 | strcpy ((char *) file, (char *) dir); | |
2422 | strcat ((char *) file, "/"); | |
2423 | base = file + strlen ((char *) file); | |
2424 | ||
2425 | files = FcStrSetCreate (); | |
2426 | if (!files) | |
2427 | { | |
2428 | ret = FcFalse; | |
2429 | goto bail2; | |
2430 | } | |
2431 | ||
2432 | if (FcDebug () & FC_DBG_CONFIG) | |
2433 | printf ("\tScanning config dir %s\n", dir); | |
2434 | ||
2435 | while (ret && (e = readdir (d))) | |
2436 | { | |
2437 | int d_len; | |
2438 | #define TAIL ".conf" | |
2439 | #define TAIL_LEN 5 | |
2440 | /* | |
2441 | * Add all files of the form [0-9]*.conf | |
2442 | */ | |
2443 | if ('0' <= e->d_name[0] && e->d_name[0] <= '9' && | |
2444 | (d_len = strlen (e->d_name)) < FC_MAX_FILE_LEN && | |
2445 | d_len > TAIL_LEN && | |
2446 | strcmp (e->d_name + d_len - TAIL_LEN, TAIL) == 0) | |
2447 | { | |
2448 | strcpy ((char *) base, (char *) e->d_name); | |
2449 | if (!FcStrSetAdd (files, file)) | |
2450 | { | |
2451 | ret = FcFalse; | |
2452 | goto bail3; | |
2453 | } | |
2454 | } | |
2455 | } | |
2456 | if (ret) | |
2457 | { | |
2458 | int i; | |
2459 | qsort (files->strs, files->num, sizeof (FcChar8 *), | |
2460 | (int (*)(const void *, const void *)) FcSortCmpStr); | |
2461 | for (i = 0; ret && i < files->num; i++) | |
2462 | ret = FcConfigParseAndLoad (config, files->strs[i], complain); | |
2463 | } | |
2464 | bail3: | |
2465 | FcStrSetDestroy (files); | |
2466 | bail2: | |
2467 | free (file); | |
2468 | bail1: | |
2469 | closedir (d); | |
2470 | bail0: | |
2471 | return ret || !complain; | |
2472 | } | |
2473 | ||
2474 | FcBool | |
2475 | FcConfigParseAndLoad (FcConfig *config, | |
2476 | const FcChar8 *name, | |
2477 | FcBool complain) | |
2478 | { | |
2479 | ||
2480 | XML_Parser p; | |
2481 | FcChar8 *filename; | |
2482 | int fd; | |
2483 | int len; | |
2484 | FcConfigParse parse; | |
2485 | FcBool error = FcTrue; | |
2486 | ||
2487 | #ifdef ENABLE_LIBXML2 | |
2488 | xmlSAXHandler sax; | |
2489 | char buf[BUFSIZ]; | |
2490 | #else | |
2491 | void *buf; | |
2492 | #endif | |
2493 | ||
2494 | filename = FcConfigFilename (name); | |
2495 | if (!filename) | |
2496 | goto bail0; | |
2497 | ||
2498 | if (FcStrSetMember (config->configFiles, filename)) | |
2499 | { | |
2500 | FcStrFree (filename); | |
2501 | return FcTrue; | |
2502 | } | |
2503 | ||
2504 | if (!FcStrSetAdd (config->configFiles, filename)) | |
2505 | { | |
2506 | FcStrFree (filename); | |
2507 | goto bail0; | |
2508 | } | |
2509 | ||
2510 | if (FcFileIsDir (filename)) | |
2511 | { | |
2512 | FcBool ret = FcConfigParseAndLoadDir (config, name, filename, complain); | |
2513 | FcStrFree (filename); | |
2514 | return ret; | |
2515 | } | |
2516 | ||
2517 | if (FcDebug () & FC_DBG_CONFIG) | |
2518 | printf ("\tLoading config file %s\n", filename); | |
2519 | ||
2520 | fd = open ((char *) filename, O_RDONLY); | |
2521 | if (fd == -1) { | |
2522 | FcStrFree (filename); | |
2523 | goto bail0; | |
2524 | } | |
2525 | ||
2526 | #ifdef ENABLE_LIBXML2 | |
2527 | memset(&sax, 0, sizeof(sax)); | |
2528 | ||
2529 | sax.internalSubset = FcInternalSubsetDecl; | |
2530 | sax.externalSubset = FcExternalSubsetDecl; | |
2531 | sax.startElement = FcStartElement; | |
2532 | sax.endElement = FcEndElement; | |
2533 | sax.characters = FcCharacterData; | |
2534 | ||
2535 | p = xmlCreatePushParserCtxt (&sax, &parse, NULL, 0, (const char *) filename); | |
2536 | #else | |
2537 | p = XML_ParserCreate ("UTF-8"); | |
2538 | #endif | |
2539 | FcStrFree (filename); | |
2540 | ||
2541 | if (!p) | |
2542 | goto bail1; | |
2543 | ||
2544 | if (!FcConfigInit (&parse, name, config, p)) | |
2545 | goto bail2; | |
2546 | ||
2547 | #ifndef ENABLE_LIBXML2 | |
2548 | ||
2549 | XML_SetUserData (p, &parse); | |
2550 | ||
2551 | XML_SetDoctypeDeclHandler (p, FcStartDoctypeDecl, FcEndDoctypeDecl); | |
2552 | XML_SetElementHandler (p, FcStartElement, FcEndElement); | |
2553 | XML_SetCharacterDataHandler (p, FcCharacterData); | |
2554 | ||
2555 | #endif /* ENABLE_LIBXML2 */ | |
2556 | ||
2557 | do { | |
2558 | #ifndef ENABLE_LIBXML2 | |
2559 | buf = XML_GetBuffer (p, BUFSIZ); | |
2560 | if (!buf) | |
2561 | { | |
2562 | FcConfigMessage (&parse, FcSevereError, "cannot get parse buffer"); | |
2563 | goto bail3; | |
2564 | } | |
2565 | #endif | |
2566 | len = read (fd, buf, BUFSIZ); | |
2567 | if (len < 0) | |
2568 | { | |
2569 | FcConfigMessage (&parse, FcSevereError, "failed reading config file"); | |
2570 | goto bail3; | |
2571 | } | |
2572 | ||
2573 | #ifdef ENABLE_LIBXML2 | |
2574 | if (xmlParseChunk (p, buf, len, len == 0)) | |
2575 | #else | |
2576 | if (!XML_ParseBuffer (p, len, len == 0)) | |
2577 | #endif | |
2578 | { | |
2579 | FcConfigMessage (&parse, FcSevereError, "%s", | |
2580 | XML_ErrorString (XML_GetErrorCode (p))); | |
2581 | goto bail3; | |
2582 | } | |
2583 | } while (len != 0); | |
2584 | error = parse.error; | |
2585 | bail3: | |
2586 | FcConfigCleanup (&parse); | |
2587 | bail2: | |
2588 | XML_ParserFree (p); | |
2589 | bail1: | |
2590 | close (fd); | |
2591 | fd = -1; | |
2592 | bail0: | |
2593 | if (error && complain) | |
2594 | { | |
2595 | if (name) | |
2596 | FcConfigMessage (0, FcSevereError, "Cannot load config file \"%s\"", name); | |
2597 | else | |
2598 | FcConfigMessage (0, FcSevereError, "Cannot load default config file"); | |
2599 | return FcFalse; | |
2600 | } | |
2601 | return FcTrue; | |
2602 | } | |
2603 | #define __fcxml__ | |
2604 | #include "fcaliastail.h" | |
2605 | #undef __fcxml__ |