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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 the author(s) not be used in | |
11 | * advertising or publicity pertaining to distribution of the software without | |
12 | * specific, written prior permission. The authors make 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 | * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
18 | * EVENT SHALL THE AUTHOR(S) 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 _WIN32_WINNT 0x0500 | |
57 | #define STRICT | |
58 | #include <windows.h> | |
59 | #undef STRICT | |
60 | #include <mbstring.h> | |
61 | #endif | |
62 | ||
63 | static void | |
64 | FcExprDestroy (FcExpr *e); | |
65 | ||
66 | void | |
67 | FcTestDestroy (FcTest *test) | |
68 | { | |
69 | if (test->next) | |
70 | FcTestDestroy (test->next); | |
71 | FcExprDestroy (test->expr); | |
72 | FcMemFree (FC_MEM_TEST, sizeof (FcTest)); | |
73 | free (test); | |
74 | } | |
75 | ||
76 | static FcExpr * | |
77 | FcExprCreateInteger (FcConfig *config, int i) | |
78 | { | |
79 | FcExpr *e = FcConfigAllocExpr (config); | |
80 | if (e) | |
81 | { | |
82 | e->op = FcOpInteger; | |
83 | e->u.ival = i; | |
84 | } | |
85 | return e; | |
86 | } | |
87 | ||
88 | static FcExpr * | |
89 | FcExprCreateDouble (FcConfig *config, double d) | |
90 | { | |
91 | FcExpr *e = FcConfigAllocExpr (config); | |
92 | if (e) | |
93 | { | |
94 | e->op = FcOpDouble; | |
95 | e->u.dval = d; | |
96 | } | |
97 | return e; | |
98 | } | |
99 | ||
100 | static FcExpr * | |
101 | FcExprCreateString (FcConfig *config, const FcChar8 *s) | |
102 | { | |
103 | FcExpr *e = FcConfigAllocExpr (config); | |
104 | if (e) | |
105 | { | |
106 | e->op = FcOpString; | |
107 | e->u.sval = FcStrStaticName (s); | |
108 | } | |
109 | return e; | |
110 | } | |
111 | ||
112 | static FcExpr * | |
113 | FcExprCreateMatrix (FcConfig *config, const FcMatrix *m) | |
114 | { | |
115 | FcExpr *e = FcConfigAllocExpr (config); | |
116 | if (e) | |
117 | { | |
118 | e->op = FcOpMatrix; | |
119 | e->u.mval = FcMatrixCopy (m); | |
120 | } | |
121 | return e; | |
122 | } | |
123 | ||
124 | static FcExpr * | |
125 | FcExprCreateBool (FcConfig *config, FcBool b) | |
126 | { | |
127 | FcExpr *e = FcConfigAllocExpr (config); | |
128 | if (e) | |
129 | { | |
130 | e->op = FcOpBool; | |
131 | e->u.bval = b; | |
132 | } | |
133 | return e; | |
134 | } | |
135 | ||
136 | static FcExpr * | |
137 | FcExprCreateCharSet (FcConfig *config, FcCharSet *charset) | |
138 | { | |
139 | FcExpr *e = FcConfigAllocExpr (config); | |
140 | if (e) | |
141 | { | |
142 | e->op = FcOpCharSet; | |
143 | e->u.cval = FcCharSetCopy (charset); | |
144 | } | |
145 | return e; | |
146 | } | |
147 | ||
148 | static FcExpr * | |
149 | FcExprCreateLangSet (FcConfig *config, FcLangSet *langset) | |
150 | { | |
151 | FcExpr *e = FcConfigAllocExpr (config); | |
152 | if (e) | |
153 | { | |
154 | e->op = FcOpLangSet; | |
155 | e->u.lval = FcLangSetCopy (langset); | |
156 | } | |
157 | return e; | |
158 | } | |
159 | ||
160 | static FcExpr * | |
161 | FcExprCreateField (FcConfig *config, const char *field) | |
162 | { | |
163 | FcExpr *e = FcConfigAllocExpr (config); | |
164 | if (e) | |
165 | { | |
166 | e->op = FcOpField; | |
167 | e->u.object = FcObjectFromName (field); | |
168 | } | |
169 | return e; | |
170 | } | |
171 | ||
172 | static FcExpr * | |
173 | FcExprCreateConst (FcConfig *config, const FcChar8 *constant) | |
174 | { | |
175 | FcExpr *e = FcConfigAllocExpr (config); | |
176 | if (e) | |
177 | { | |
178 | e->op = FcOpConst; | |
179 | e->u.constant = FcStrStaticName (constant); | |
180 | } | |
181 | return e; | |
182 | } | |
183 | ||
184 | static FcExpr * | |
185 | FcExprCreateOp (FcConfig *config, FcExpr *left, FcOp op, FcExpr *right) | |
186 | { | |
187 | FcExpr *e = FcConfigAllocExpr (config); | |
188 | if (e) | |
189 | { | |
190 | e->op = op; | |
191 | e->u.tree.left = left; | |
192 | e->u.tree.right = right; | |
193 | } | |
194 | return e; | |
195 | } | |
196 | ||
197 | static void | |
198 | FcExprDestroy (FcExpr *e) | |
199 | { | |
200 | if (!e) | |
201 | return; | |
202 | switch (e->op) { | |
203 | case FcOpInteger: | |
204 | break; | |
205 | case FcOpDouble: | |
206 | break; | |
207 | case FcOpString: | |
208 | break; | |
209 | case FcOpMatrix: | |
210 | FcMatrixFree (e->u.mval); | |
211 | break; | |
212 | case FcOpRange: | |
213 | break; | |
214 | case FcOpCharSet: | |
215 | FcCharSetDestroy (e->u.cval); | |
216 | break; | |
217 | case FcOpLangSet: | |
218 | FcLangSetDestroy (e->u.lval); | |
219 | break; | |
220 | case FcOpBool: | |
221 | break; | |
222 | case FcOpField: | |
223 | break; | |
224 | case FcOpConst: | |
225 | break; | |
226 | case FcOpAssign: | |
227 | case FcOpAssignReplace: | |
228 | case FcOpPrepend: | |
229 | case FcOpPrependFirst: | |
230 | case FcOpAppend: | |
231 | case FcOpAppendLast: | |
232 | break; | |
233 | case FcOpOr: | |
234 | case FcOpAnd: | |
235 | case FcOpEqual: | |
236 | case FcOpNotEqual: | |
237 | case FcOpLess: | |
238 | case FcOpLessEqual: | |
239 | case FcOpMore: | |
240 | case FcOpMoreEqual: | |
241 | case FcOpContains: | |
242 | case FcOpListing: | |
243 | case FcOpNotContains: | |
244 | case FcOpPlus: | |
245 | case FcOpMinus: | |
246 | case FcOpTimes: | |
247 | case FcOpDivide: | |
248 | case FcOpQuest: | |
249 | case FcOpComma: | |
250 | FcExprDestroy (e->u.tree.right); | |
251 | /* fall through */ | |
252 | case FcOpNot: | |
253 | case FcOpFloor: | |
254 | case FcOpCeil: | |
255 | case FcOpRound: | |
256 | case FcOpTrunc: | |
257 | FcExprDestroy (e->u.tree.left); | |
258 | break; | |
259 | case FcOpNil: | |
260 | case FcOpInvalid: | |
261 | break; | |
262 | } | |
263 | ||
264 | e->op = FcOpNil; | |
265 | } | |
266 | ||
267 | void | |
268 | FcEditDestroy (FcEdit *e) | |
269 | { | |
270 | if (e->next) | |
271 | FcEditDestroy (e->next); | |
272 | if (e->expr) | |
273 | FcExprDestroy (e->expr); | |
274 | free (e); | |
275 | } | |
276 | ||
277 | typedef enum _FcElement { | |
278 | FcElementNone, | |
279 | FcElementFontconfig, | |
280 | FcElementDir, | |
281 | FcElementCacheDir, | |
282 | FcElementCache, | |
283 | FcElementInclude, | |
284 | FcElementConfig, | |
285 | FcElementMatch, | |
286 | FcElementAlias, | |
287 | ||
288 | FcElementBlank, | |
289 | FcElementRescan, | |
290 | ||
291 | FcElementPrefer, | |
292 | FcElementAccept, | |
293 | FcElementDefault, | |
294 | FcElementFamily, | |
295 | ||
296 | FcElementSelectfont, | |
297 | FcElementAcceptfont, | |
298 | FcElementRejectfont, | |
299 | FcElementGlob, | |
300 | FcElementPattern, | |
301 | FcElementPatelt, | |
302 | ||
303 | FcElementTest, | |
304 | FcElementEdit, | |
305 | FcElementInt, | |
306 | FcElementDouble, | |
307 | FcElementString, | |
308 | FcElementMatrix, | |
309 | FcElementRange, | |
310 | FcElementBool, | |
311 | FcElementCharSet, | |
312 | FcElementLangSet, | |
313 | FcElementName, | |
314 | FcElementConst, | |
315 | FcElementOr, | |
316 | FcElementAnd, | |
317 | FcElementEq, | |
318 | FcElementNotEq, | |
319 | FcElementLess, | |
320 | FcElementLessEq, | |
321 | FcElementMore, | |
322 | FcElementMoreEq, | |
323 | FcElementContains, | |
324 | FcElementNotContains, | |
325 | FcElementPlus, | |
326 | FcElementMinus, | |
327 | FcElementTimes, | |
328 | FcElementDivide, | |
329 | FcElementNot, | |
330 | FcElementIf, | |
331 | FcElementFloor, | |
332 | FcElementCeil, | |
333 | FcElementRound, | |
334 | FcElementTrunc, | |
335 | FcElementUnknown | |
336 | } FcElement; | |
337 | ||
338 | static const struct { | |
339 | const char name[16]; | |
340 | FcElement element; | |
341 | } fcElementMap[] = { | |
342 | { "fontconfig", FcElementFontconfig }, | |
343 | { "dir", FcElementDir }, | |
344 | { "cachedir", FcElementCacheDir }, | |
345 | { "cache", FcElementCache }, | |
346 | { "include", FcElementInclude }, | |
347 | { "config", FcElementConfig }, | |
348 | { "match", FcElementMatch }, | |
349 | { "alias", FcElementAlias }, | |
350 | ||
351 | { "blank", FcElementBlank }, | |
352 | { "rescan", FcElementRescan }, | |
353 | ||
354 | { "prefer", FcElementPrefer }, | |
355 | { "accept", FcElementAccept }, | |
356 | { "default", FcElementDefault }, | |
357 | { "family", FcElementFamily }, | |
358 | ||
359 | { "selectfont", FcElementSelectfont }, | |
360 | { "acceptfont", FcElementAcceptfont }, | |
361 | { "rejectfont", FcElementRejectfont }, | |
362 | { "glob", FcElementGlob }, | |
363 | { "pattern", FcElementPattern }, | |
364 | { "patelt", FcElementPatelt }, | |
365 | ||
366 | { "test", FcElementTest }, | |
367 | { "edit", FcElementEdit }, | |
368 | { "int", FcElementInt }, | |
369 | { "double", FcElementDouble }, | |
370 | { "string", FcElementString }, | |
371 | { "matrix", FcElementMatrix }, | |
372 | { "range", FcElementRange }, | |
373 | { "bool", FcElementBool }, | |
374 | { "charset", FcElementCharSet }, | |
375 | { "langset", FcElementLangSet }, | |
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 | FcChar8 *attr_buf_static[16]; | |
418 | } FcPStack; | |
419 | ||
420 | typedef enum _FcVStackTag { | |
421 | FcVStackNone, | |
422 | ||
423 | FcVStackString, | |
424 | FcVStackFamily, | |
425 | FcVStackField, | |
426 | FcVStackConstant, | |
427 | FcVStackGlob, | |
428 | FcVStackPattern, | |
429 | ||
430 | FcVStackPrefer, | |
431 | FcVStackAccept, | |
432 | FcVStackDefault, | |
433 | ||
434 | FcVStackInteger, | |
435 | FcVStackDouble, | |
436 | FcVStackMatrix, | |
437 | FcVStackRange, | |
438 | FcVStackBool, | |
439 | FcVStackCharSet, | |
440 | FcVStackLangSet, | |
441 | ||
442 | FcVStackTest, | |
443 | FcVStackExpr, | |
444 | FcVStackEdit | |
445 | } FcVStackTag; | |
446 | ||
447 | typedef struct _FcVStack { | |
448 | struct _FcVStack *prev; | |
449 | FcPStack *pstack; /* related parse element */ | |
450 | FcVStackTag tag; | |
451 | union { | |
452 | FcChar8 *string; | |
453 | ||
454 | int integer; | |
455 | double _double; | |
456 | FcMatrix *matrix; | |
457 | FcRange range; | |
458 | FcBool bool_; | |
459 | FcCharSet *charset; | |
460 | FcLangSet *langset; | |
461 | ||
462 | FcTest *test; | |
463 | FcQual qual; | |
464 | FcOp op; | |
465 | FcExpr *expr; | |
466 | FcEdit *edit; | |
467 | ||
468 | FcPattern *pattern; | |
469 | } u; | |
470 | } FcVStack; | |
471 | ||
472 | typedef struct _FcConfigParse { | |
473 | FcPStack *pstack; | |
474 | FcVStack *vstack; | |
475 | FcBool error; | |
476 | const FcChar8 *name; | |
477 | FcConfig *config; | |
478 | XML_Parser parser; | |
479 | int pstack_static_used; | |
480 | FcPStack pstack_static[8]; | |
481 | int vstack_static_used; | |
482 | FcVStack vstack_static[64]; | |
483 | } FcConfigParse; | |
484 | ||
485 | typedef enum _FcConfigSeverity { | |
486 | FcSevereInfo, FcSevereWarning, FcSevereError | |
487 | } FcConfigSeverity; | |
488 | ||
489 | static void | |
490 | FcConfigMessage (FcConfigParse *parse, FcConfigSeverity severe, const char *fmt, ...) | |
491 | { | |
492 | const char *s = "unknown"; | |
493 | va_list args; | |
494 | ||
495 | va_start (args, fmt); | |
496 | ||
497 | switch (severe) { | |
498 | case FcSevereInfo: s = "info"; break; | |
499 | case FcSevereWarning: s = "warning"; break; | |
500 | case FcSevereError: s = "error"; break; | |
501 | } | |
502 | if (parse) | |
503 | { | |
504 | if (parse->name) | |
505 | fprintf (stderr, "Fontconfig %s: \"%s\", line %d: ", s, | |
506 | parse->name, (int)XML_GetCurrentLineNumber (parse->parser)); | |
507 | else | |
508 | fprintf (stderr, "Fontconfig %s: line %d: ", s, | |
509 | (int)XML_GetCurrentLineNumber (parse->parser)); | |
510 | if (severe >= FcSevereError) | |
511 | parse->error = FcTrue; | |
512 | } | |
513 | else | |
514 | fprintf (stderr, "Fontconfig %s: ", s); | |
515 | vfprintf (stderr, fmt, args); | |
516 | fprintf (stderr, "\n"); | |
517 | va_end (args); | |
518 | } | |
519 | ||
520 | ||
521 | static const char * | |
522 | FcTypeName (FcType type) | |
523 | { | |
524 | switch (type) { | |
525 | case FcTypeVoid: | |
526 | return "void"; | |
527 | case FcTypeInteger: | |
528 | case FcTypeDouble: | |
529 | return "number"; | |
530 | case FcTypeString: | |
531 | return "string"; | |
532 | case FcTypeBool: | |
533 | return "bool"; | |
534 | case FcTypeMatrix: | |
535 | return "matrix"; | |
536 | case FcTypeCharSet: | |
537 | return "charset"; | |
538 | case FcTypeFTFace: | |
539 | return "FT_Face"; | |
540 | case FcTypeLangSet: | |
541 | return "langset"; | |
542 | default: | |
543 | return "unknown"; | |
544 | } | |
545 | } | |
546 | ||
547 | static void | |
548 | FcTypecheckValue (FcConfigParse *parse, FcType value, FcType type) | |
549 | { | |
550 | if (value == FcTypeInteger) | |
551 | value = FcTypeDouble; | |
552 | if (type == FcTypeInteger) | |
553 | type = FcTypeDouble; | |
554 | if (value != type) | |
555 | { | |
556 | if ((value == FcTypeLangSet && type == FcTypeString) || | |
557 | (value == FcTypeString && type == FcTypeLangSet)) | |
558 | return; | |
559 | if (type == (FcType) -1) | |
560 | return; | |
561 | FcConfigMessage (parse, FcSevereWarning, "saw %s, expected %s", | |
562 | FcTypeName (value), FcTypeName (type)); | |
563 | } | |
564 | } | |
565 | ||
566 | static void | |
567 | FcTypecheckExpr (FcConfigParse *parse, FcExpr *expr, FcType type) | |
568 | { | |
569 | const FcObjectType *o; | |
570 | const FcConstant *c; | |
571 | ||
572 | /* If parsing the expression failed, some nodes may be NULL */ | |
573 | if (!expr) | |
574 | return; | |
575 | ||
576 | switch (expr->op) { | |
577 | case FcOpInteger: | |
578 | case FcOpDouble: | |
579 | FcTypecheckValue (parse, FcTypeDouble, type); | |
580 | break; | |
581 | case FcOpString: | |
582 | FcTypecheckValue (parse, FcTypeString, type); | |
583 | break; | |
584 | case FcOpMatrix: | |
585 | FcTypecheckValue (parse, FcTypeMatrix, type); | |
586 | break; | |
587 | case FcOpBool: | |
588 | FcTypecheckValue (parse, FcTypeBool, type); | |
589 | break; | |
590 | case FcOpCharSet: | |
591 | FcTypecheckValue (parse, FcTypeCharSet, type); | |
592 | break; | |
593 | case FcOpLangSet: | |
594 | FcTypecheckValue (parse, FcTypeLangSet, type); | |
595 | break; | |
596 | case FcOpNil: | |
597 | break; | |
598 | case FcOpField: | |
599 | o = FcNameGetObjectType (FcObjectName (expr->u.object)); | |
600 | if (o) | |
601 | FcTypecheckValue (parse, o->type, type); | |
602 | break; | |
603 | case FcOpConst: | |
604 | c = FcNameGetConstant (expr->u.constant); | |
605 | if (c) | |
606 | { | |
607 | o = FcNameGetObjectType (c->object); | |
608 | if (o) | |
609 | FcTypecheckValue (parse, o->type, type); | |
610 | } | |
611 | else | |
612 | FcConfigMessage (parse, FcSevereWarning, | |
613 | "invalid constant used : %s", | |
614 | expr->u.constant); | |
615 | break; | |
616 | case FcOpQuest: | |
617 | FcTypecheckExpr (parse, expr->u.tree.left, FcTypeBool); | |
618 | FcTypecheckExpr (parse, expr->u.tree.right->u.tree.left, type); | |
619 | FcTypecheckExpr (parse, expr->u.tree.right->u.tree.right, type); | |
620 | break; | |
621 | case FcOpAssign: | |
622 | case FcOpAssignReplace: | |
623 | break; | |
624 | case FcOpEqual: | |
625 | case FcOpNotEqual: | |
626 | case FcOpLess: | |
627 | case FcOpLessEqual: | |
628 | case FcOpMore: | |
629 | case FcOpMoreEqual: | |
630 | case FcOpContains: | |
631 | case FcOpNotContains: | |
632 | case FcOpListing: | |
633 | FcTypecheckValue (parse, FcTypeBool, type); | |
634 | break; | |
635 | case FcOpComma: | |
636 | case FcOpOr: | |
637 | case FcOpAnd: | |
638 | case FcOpPlus: | |
639 | case FcOpMinus: | |
640 | case FcOpTimes: | |
641 | case FcOpDivide: | |
642 | FcTypecheckExpr (parse, expr->u.tree.left, type); | |
643 | FcTypecheckExpr (parse, expr->u.tree.right, type); | |
644 | break; | |
645 | case FcOpNot: | |
646 | FcTypecheckValue (parse, FcTypeBool, type); | |
647 | FcTypecheckExpr (parse, expr->u.tree.left, FcTypeBool); | |
648 | break; | |
649 | case FcOpFloor: | |
650 | case FcOpCeil: | |
651 | case FcOpRound: | |
652 | case FcOpTrunc: | |
653 | FcTypecheckValue (parse, FcTypeDouble, type); | |
654 | FcTypecheckExpr (parse, expr->u.tree.left, FcTypeDouble); | |
655 | break; | |
656 | default: | |
657 | break; | |
658 | } | |
659 | } | |
660 | ||
661 | static FcTest * | |
662 | FcTestCreate (FcConfigParse *parse, | |
663 | FcMatchKind kind, | |
664 | FcQual qual, | |
665 | const FcChar8 *field, | |
666 | FcOp compare, | |
667 | FcExpr *expr) | |
668 | { | |
669 | FcTest *test = (FcTest *) malloc (sizeof (FcTest)); | |
670 | ||
671 | if (test) | |
672 | { | |
673 | const FcObjectType *o; | |
674 | ||
675 | FcMemAlloc (FC_MEM_TEST, sizeof (FcTest)); | |
676 | test->next = 0; | |
677 | test->kind = kind; | |
678 | test->qual = qual; | |
679 | test->object = FcObjectFromName ((const char *) field); | |
680 | test->op = compare; | |
681 | test->expr = expr; | |
682 | o = FcNameGetObjectType (FcObjectName (test->object)); | |
683 | if (o) | |
684 | FcTypecheckExpr (parse, expr, o->type); | |
685 | } | |
686 | return test; | |
687 | } | |
688 | ||
689 | static FcEdit * | |
690 | FcEditCreate (FcConfigParse *parse, | |
691 | FcObject object, | |
692 | FcOp op, | |
693 | FcExpr *expr, | |
694 | FcValueBinding binding) | |
695 | { | |
696 | FcEdit *e = (FcEdit *) malloc (sizeof (FcEdit)); | |
697 | ||
698 | if (e) | |
699 | { | |
700 | const FcObjectType *o; | |
701 | ||
702 | e->next = 0; | |
703 | e->object = object; | |
704 | e->op = op; | |
705 | e->expr = expr; | |
706 | e->binding = binding; | |
707 | o = FcNameGetObjectType (FcObjectName (e->object)); | |
708 | if (o) | |
709 | FcTypecheckExpr (parse, expr, o->type); | |
710 | } | |
711 | return e; | |
712 | } | |
713 | ||
714 | static FcVStack * | |
715 | FcVStackCreateAndPush (FcConfigParse *parse) | |
716 | { | |
717 | FcVStack *new; | |
718 | ||
719 | if (parse->vstack_static_used < sizeof (parse->vstack_static) / sizeof (parse->vstack_static[0])) | |
720 | new = &parse->vstack_static[parse->vstack_static_used++]; | |
721 | else | |
722 | { | |
723 | new = malloc (sizeof (FcVStack)); | |
724 | if (!new) | |
725 | return 0; | |
726 | FcMemAlloc (FC_MEM_VSTACK, sizeof (FcVStack)); | |
727 | } | |
728 | new->tag = FcVStackNone; | |
729 | new->prev = 0; | |
730 | ||
731 | new->prev = parse->vstack; | |
732 | new->pstack = parse->pstack ? parse->pstack->prev : 0; | |
733 | parse->vstack = new; | |
734 | ||
735 | return new; | |
736 | } | |
737 | ||
738 | static FcBool | |
739 | FcVStackPushString (FcConfigParse *parse, FcVStackTag tag, FcChar8 *string) | |
740 | { | |
741 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
742 | if (!vstack) | |
743 | return FcFalse; | |
744 | vstack->u.string = string; | |
745 | vstack->tag = tag; | |
746 | return FcTrue; | |
747 | } | |
748 | ||
749 | static FcBool | |
750 | FcVStackPushInteger (FcConfigParse *parse, int integer) | |
751 | { | |
752 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
753 | if (!vstack) | |
754 | return FcFalse; | |
755 | vstack->u.integer = integer; | |
756 | vstack->tag = FcVStackInteger; | |
757 | return FcTrue; | |
758 | } | |
759 | ||
760 | static FcBool | |
761 | FcVStackPushDouble (FcConfigParse *parse, double _double) | |
762 | { | |
763 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
764 | if (!vstack) | |
765 | return FcFalse; | |
766 | vstack->u._double = _double; | |
767 | vstack->tag = FcVStackDouble; | |
768 | return FcTrue; | |
769 | } | |
770 | ||
771 | static FcBool | |
772 | FcVStackPushMatrix (FcConfigParse *parse, FcMatrix *matrix) | |
773 | { | |
774 | FcVStack *vstack; | |
775 | matrix = FcMatrixCopy (matrix); | |
776 | if (!matrix) | |
777 | return FcFalse; | |
778 | vstack = FcVStackCreateAndPush (parse); | |
779 | if (!vstack) | |
780 | return FcFalse; | |
781 | vstack->u.matrix = matrix; | |
782 | vstack->tag = FcVStackMatrix; | |
783 | return FcTrue; | |
784 | } | |
785 | ||
786 | static FcBool | |
787 | FcVStackPushRange (FcConfigParse *parse, FcRange *range) | |
788 | { | |
789 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
790 | if (!vstack) | |
791 | return FcFalse; | |
792 | vstack->u.range.begin = range->begin; | |
793 | vstack->u.range.end = range->end; | |
794 | vstack->tag = FcVStackRange; | |
795 | return FcTrue; | |
796 | } | |
797 | ||
798 | static FcBool | |
799 | FcVStackPushBool (FcConfigParse *parse, FcBool bool_) | |
800 | { | |
801 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
802 | if (!vstack) | |
803 | return FcFalse; | |
804 | vstack->u.bool_ = bool_; | |
805 | vstack->tag = FcVStackBool; | |
806 | return FcTrue; | |
807 | } | |
808 | ||
809 | static FcBool | |
810 | FcVStackPushCharSet (FcConfigParse *parse, FcCharSet *charset) | |
811 | { | |
812 | FcVStack *vstack; | |
813 | if (!charset) | |
814 | return FcFalse; | |
815 | vstack = FcVStackCreateAndPush (parse); | |
816 | if (!vstack) | |
817 | return FcFalse; | |
818 | vstack->u.charset = charset; | |
819 | vstack->tag = FcVStackCharSet; | |
820 | return FcTrue; | |
821 | } | |
822 | ||
823 | static FcBool | |
824 | FcVStackPushLangSet (FcConfigParse *parse, FcLangSet *langset) | |
825 | { | |
826 | FcVStack *vstack; | |
827 | if (!langset) | |
828 | return FcFalse; | |
829 | vstack = FcVStackCreateAndPush (parse); | |
830 | if (!vstack) | |
831 | return FcFalse; | |
832 | vstack->u.langset = langset; | |
833 | vstack->tag = FcVStackLangSet; | |
834 | return FcTrue; | |
835 | } | |
836 | ||
837 | static FcBool | |
838 | FcVStackPushTest (FcConfigParse *parse, FcTest *test) | |
839 | { | |
840 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
841 | if (!vstack) | |
842 | return FcFalse; | |
843 | vstack->u.test = test; | |
844 | vstack->tag = FcVStackTest; | |
845 | return FcTrue; | |
846 | } | |
847 | ||
848 | static FcBool | |
849 | FcVStackPushExpr (FcConfigParse *parse, FcVStackTag tag, FcExpr *expr) | |
850 | { | |
851 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
852 | if (!vstack) | |
853 | return FcFalse; | |
854 | vstack->u.expr = expr; | |
855 | vstack->tag = tag; | |
856 | return FcTrue; | |
857 | } | |
858 | ||
859 | static FcBool | |
860 | FcVStackPushEdit (FcConfigParse *parse, FcEdit *edit) | |
861 | { | |
862 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
863 | if (!vstack) | |
864 | return FcFalse; | |
865 | vstack->u.edit = edit; | |
866 | vstack->tag = FcVStackEdit; | |
867 | return FcTrue; | |
868 | } | |
869 | ||
870 | static FcBool | |
871 | FcVStackPushPattern (FcConfigParse *parse, FcPattern *pattern) | |
872 | { | |
873 | FcVStack *vstack = FcVStackCreateAndPush (parse); | |
874 | if (!vstack) | |
875 | return FcFalse; | |
876 | vstack->u.pattern = pattern; | |
877 | vstack->tag = FcVStackPattern; | |
878 | return FcTrue; | |
879 | } | |
880 | ||
881 | static FcVStack * | |
882 | FcVStackFetch (FcConfigParse *parse, int off) | |
883 | { | |
884 | FcVStack *vstack; | |
885 | ||
886 | for (vstack = parse->vstack; vstack && off-- > 0; vstack = vstack->prev); | |
887 | return vstack; | |
888 | } | |
889 | ||
890 | static FcVStack * | |
891 | FcVStackPeek (FcConfigParse *parse) | |
892 | { | |
893 | FcVStack *vstack = parse->vstack; | |
894 | ||
895 | return vstack && vstack->pstack == parse->pstack ? vstack : 0; | |
896 | } | |
897 | ||
898 | static void | |
899 | FcVStackPopAndDestroy (FcConfigParse *parse) | |
900 | { | |
901 | FcVStack *vstack = parse->vstack; | |
902 | ||
903 | if (!vstack || vstack->pstack != parse->pstack) | |
904 | return; | |
905 | ||
906 | parse->vstack = vstack->prev; | |
907 | ||
908 | switch (vstack->tag) { | |
909 | case FcVStackNone: | |
910 | break; | |
911 | case FcVStackFamily: | |
912 | break; | |
913 | case FcVStackString: | |
914 | case FcVStackField: | |
915 | case FcVStackConstant: | |
916 | case FcVStackGlob: | |
917 | FcStrFree (vstack->u.string); | |
918 | break; | |
919 | case FcVStackPattern: | |
920 | FcPatternDestroy (vstack->u.pattern); | |
921 | break; | |
922 | case FcVStackInteger: | |
923 | case FcVStackDouble: | |
924 | break; | |
925 | case FcVStackMatrix: | |
926 | FcMatrixFree (vstack->u.matrix); | |
927 | break; | |
928 | case FcVStackRange: | |
929 | case FcVStackBool: | |
930 | break; | |
931 | case FcVStackCharSet: | |
932 | FcCharSetDestroy (vstack->u.charset); | |
933 | break; | |
934 | case FcVStackLangSet: | |
935 | FcLangSetDestroy (vstack->u.langset); | |
936 | break; | |
937 | case FcVStackTest: | |
938 | FcTestDestroy (vstack->u.test); | |
939 | break; | |
940 | case FcVStackExpr: | |
941 | case FcVStackPrefer: | |
942 | case FcVStackAccept: | |
943 | case FcVStackDefault: | |
944 | FcExprDestroy (vstack->u.expr); | |
945 | break; | |
946 | case FcVStackEdit: | |
947 | FcEditDestroy (vstack->u.edit); | |
948 | break; | |
949 | } | |
950 | ||
951 | if (vstack == &parse->vstack_static[parse->vstack_static_used - 1]) | |
952 | parse->vstack_static_used--; | |
953 | else | |
954 | { | |
955 | FcMemFree (FC_MEM_VSTACK, sizeof (FcVStack)); | |
956 | free (vstack); | |
957 | } | |
958 | } | |
959 | ||
960 | static void | |
961 | FcVStackClear (FcConfigParse *parse) | |
962 | { | |
963 | while (FcVStackPeek (parse)) | |
964 | FcVStackPopAndDestroy (parse); | |
965 | } | |
966 | ||
967 | static int | |
968 | FcVStackElements (FcConfigParse *parse) | |
969 | { | |
970 | int h = 0; | |
971 | FcVStack *vstack = parse->vstack; | |
972 | while (vstack && vstack->pstack == parse->pstack) | |
973 | { | |
974 | h++; | |
975 | vstack = vstack->prev; | |
976 | } | |
977 | return h; | |
978 | } | |
979 | ||
980 | static FcChar8 ** | |
981 | FcConfigSaveAttr (const XML_Char **attr, FcChar8 **buf, int size_bytes) | |
982 | { | |
983 | int slen; | |
984 | int i; | |
985 | FcChar8 **new; | |
986 | FcChar8 *s; | |
987 | ||
988 | if (!attr) | |
989 | return 0; | |
990 | slen = 0; | |
991 | for (i = 0; attr[i]; i++) | |
992 | slen += strlen ((char *) attr[i]) + 1; | |
993 | if (i == 0) | |
994 | return 0; | |
995 | slen += (i + 1) * sizeof (FcChar8 *); | |
996 | if (slen <= size_bytes) | |
997 | new = buf; | |
998 | else | |
999 | { | |
1000 | new = malloc (slen); | |
1001 | if (!new) | |
1002 | { | |
1003 | FcConfigMessage (0, FcSevereError, "out of memory"); | |
1004 | return 0; | |
1005 | } | |
1006 | FcMemAlloc (FC_MEM_ATTR, 1); /* size is too expensive */ | |
1007 | } | |
1008 | s = (FcChar8 *) (new + (i + 1)); | |
1009 | for (i = 0; attr[i]; i++) | |
1010 | { | |
1011 | new[i] = s; | |
1012 | strcpy ((char *) s, (char *) attr[i]); | |
1013 | s += strlen ((char *) s) + 1; | |
1014 | } | |
1015 | new[i] = 0; | |
1016 | return new; | |
1017 | } | |
1018 | ||
1019 | static FcBool | |
1020 | FcPStackPush (FcConfigParse *parse, FcElement element, const XML_Char **attr) | |
1021 | { | |
1022 | FcPStack *new; | |
1023 | ||
1024 | if (parse->pstack_static_used < sizeof (parse->pstack_static) / sizeof (parse->pstack_static[0])) | |
1025 | new = &parse->pstack_static[parse->pstack_static_used++]; | |
1026 | else | |
1027 | { | |
1028 | new = malloc (sizeof (FcPStack)); | |
1029 | if (!new) | |
1030 | return FcFalse; | |
1031 | FcMemAlloc (FC_MEM_PSTACK, sizeof (FcPStack)); | |
1032 | } | |
1033 | ||
1034 | new->prev = parse->pstack; | |
1035 | new->element = element; | |
1036 | new->attr = FcConfigSaveAttr (attr, new->attr_buf_static, sizeof (new->attr_buf_static)); | |
1037 | FcStrBufInit (&new->str, 0, 0); | |
1038 | parse->pstack = new; | |
1039 | return FcTrue; | |
1040 | } | |
1041 | ||
1042 | static FcBool | |
1043 | FcPStackPop (FcConfigParse *parse) | |
1044 | { | |
1045 | FcPStack *old; | |
1046 | ||
1047 | if (!parse->pstack) | |
1048 | { | |
1049 | FcConfigMessage (parse, FcSevereError, "mismatching element"); | |
1050 | return FcFalse; | |
1051 | } | |
1052 | FcVStackClear (parse); | |
1053 | old = parse->pstack; | |
1054 | parse->pstack = old->prev; | |
1055 | FcStrBufDestroy (&old->str); | |
1056 | if (old->attr && old->attr != old->attr_buf_static) | |
1057 | { | |
1058 | FcMemFree (FC_MEM_ATTR, 1); /* size is to expensive */ | |
1059 | free (old->attr); | |
1060 | } | |
1061 | ||
1062 | if (old == &parse->pstack_static[parse->pstack_static_used - 1]) | |
1063 | parse->pstack_static_used--; | |
1064 | else | |
1065 | { | |
1066 | FcMemFree (FC_MEM_PSTACK, sizeof (FcPStack)); | |
1067 | free (old); | |
1068 | } | |
1069 | return FcTrue; | |
1070 | } | |
1071 | ||
1072 | static FcBool | |
1073 | FcConfigInit (FcConfigParse *parse, const FcChar8 *name, FcConfig *config, XML_Parser parser) | |
1074 | { | |
1075 | parse->pstack = 0; | |
1076 | parse->pstack_static_used = 0; | |
1077 | parse->vstack = 0; | |
1078 | parse->vstack_static_used = 0; | |
1079 | parse->error = FcFalse; | |
1080 | parse->name = name; | |
1081 | parse->config = config; | |
1082 | parse->parser = parser; | |
1083 | return FcTrue; | |
1084 | } | |
1085 | ||
1086 | static void | |
1087 | FcConfigCleanup (FcConfigParse *parse) | |
1088 | { | |
1089 | while (parse->pstack) | |
1090 | FcPStackPop (parse); | |
1091 | } | |
1092 | ||
1093 | static const FcChar8 * | |
1094 | FcConfigGetAttribute (FcConfigParse *parse, const char *attr) | |
1095 | { | |
1096 | FcChar8 **attrs; | |
1097 | if (!parse->pstack) | |
1098 | return 0; | |
1099 | ||
1100 | attrs = parse->pstack->attr; | |
1101 | if (!attrs) | |
1102 | return 0; | |
1103 | ||
1104 | while (*attrs) | |
1105 | { | |
1106 | if (!strcmp ((char *) *attrs, attr)) | |
1107 | return attrs[1]; | |
1108 | attrs += 2; | |
1109 | } | |
1110 | return 0; | |
1111 | } | |
1112 | ||
1113 | static void | |
1114 | FcStartElement(void *userData, const XML_Char *name, const XML_Char **attr) | |
1115 | { | |
1116 | FcConfigParse *parse = userData; | |
1117 | FcElement element; | |
1118 | ||
1119 | element = FcElementMap (name); | |
1120 | if (element == FcElementUnknown) | |
1121 | FcConfigMessage (parse, FcSevereWarning, "unknown element \"%s\"", name); | |
1122 | ||
1123 | if (!FcPStackPush (parse, element, attr)) | |
1124 | { | |
1125 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1126 | return; | |
1127 | } | |
1128 | return; | |
1129 | } | |
1130 | ||
1131 | static void | |
1132 | FcParseBlank (FcConfigParse *parse) | |
1133 | { | |
1134 | int n = FcVStackElements (parse); | |
1135 | FcChar32 i; | |
1136 | while (n-- > 0) | |
1137 | { | |
1138 | FcVStack *v = FcVStackFetch (parse, n); | |
1139 | if (!parse->config->blanks) | |
1140 | { | |
1141 | parse->config->blanks = FcBlanksCreate (); | |
1142 | if (!parse->config->blanks) | |
1143 | goto bail; | |
1144 | } | |
1145 | switch (v->tag) { | |
1146 | case FcVStackInteger: | |
1147 | if (!FcBlanksAdd (parse->config->blanks, v->u.integer)) | |
1148 | goto bail; | |
1149 | break; | |
1150 | case FcVStackRange: | |
1151 | for (i = v->u.range.begin; i <= v->u.range.end; i++) | |
1152 | { | |
1153 | if (!FcBlanksAdd (parse->config->blanks, i)) | |
1154 | goto bail; | |
1155 | } | |
1156 | break; | |
1157 | default: | |
1158 | FcConfigMessage (parse, FcSevereError, "invalid element in blank"); | |
1159 | break; | |
1160 | } | |
1161 | } | |
1162 | return; | |
1163 | bail: | |
1164 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1165 | } | |
1166 | ||
1167 | static void | |
1168 | FcParseRescan (FcConfigParse *parse) | |
1169 | { | |
1170 | int n = FcVStackElements (parse); | |
1171 | while (n-- > 0) | |
1172 | { | |
1173 | FcVStack *v = FcVStackFetch (parse, n); | |
1174 | if (v->tag != FcVStackInteger) | |
1175 | FcConfigMessage (parse, FcSevereWarning, "non-integer rescan"); | |
1176 | else | |
1177 | parse->config->rescanInterval = v->u.integer; | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | static void | |
1182 | FcParseInt (FcConfigParse *parse) | |
1183 | { | |
1184 | FcChar8 *s, *end; | |
1185 | int l; | |
1186 | ||
1187 | if (!parse->pstack) | |
1188 | return; | |
1189 | s = FcStrBufDoneStatic (&parse->pstack->str); | |
1190 | if (!s) | |
1191 | { | |
1192 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1193 | return; | |
1194 | } | |
1195 | end = 0; | |
1196 | l = (int) strtol ((char *) s, (char **)&end, 0); | |
1197 | if (end != s + strlen ((char *) s)) | |
1198 | FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid integer", s); | |
1199 | else | |
1200 | FcVStackPushInteger (parse, l); | |
1201 | FcStrBufDestroy (&parse->pstack->str); | |
1202 | } | |
1203 | ||
1204 | /* | |
1205 | * idea copied from glib g_ascii_strtod with | |
1206 | * permission of the author (Alexander Larsson) | |
1207 | */ | |
1208 | ||
1209 | #include <locale.h> | |
1210 | ||
1211 | static double | |
1212 | FcStrtod (char *s, char **end) | |
1213 | { | |
1214 | struct lconv *locale_data; | |
1215 | char *dot; | |
1216 | double v; | |
1217 | ||
1218 | /* | |
1219 | * Have to swap the decimal point to match the current locale | |
1220 | * if that locale doesn't use 0x2e | |
1221 | */ | |
1222 | if ((dot = strchr (s, 0x2e)) && | |
1223 | (locale_data = localeconv ()) && | |
1224 | (locale_data->decimal_point[0] != 0x2e || | |
1225 | locale_data->decimal_point[1] != 0)) | |
1226 | { | |
1227 | char buf[128]; | |
1228 | int slen = strlen (s); | |
1229 | int dlen = strlen (locale_data->decimal_point); | |
1230 | ||
1231 | if (slen + dlen > (int) sizeof (buf)) | |
1232 | { | |
1233 | if (end) | |
1234 | *end = s; | |
1235 | v = 0; | |
1236 | } | |
1237 | else | |
1238 | { | |
1239 | char *buf_end; | |
1240 | /* mantissa */ | |
1241 | strncpy (buf, s, dot - s); | |
1242 | /* decimal point */ | |
1243 | strcpy (buf + (dot - s), locale_data->decimal_point); | |
1244 | /* rest of number */ | |
1245 | strcpy (buf + (dot - s) + dlen, dot + 1); | |
1246 | buf_end = 0; | |
1247 | v = strtod (buf, &buf_end); | |
1248 | if (buf_end) { | |
1249 | buf_end = s + (buf_end - buf); | |
1250 | if (buf_end > dot) | |
1251 | buf_end -= dlen - 1; | |
1252 | } | |
1253 | if (end) | |
1254 | *end = buf_end; | |
1255 | } | |
1256 | } | |
1257 | else | |
1258 | v = strtod (s, end); | |
1259 | return v; | |
1260 | } | |
1261 | ||
1262 | static void | |
1263 | FcParseDouble (FcConfigParse *parse) | |
1264 | { | |
1265 | FcChar8 *s, *end; | |
1266 | double d; | |
1267 | ||
1268 | if (!parse->pstack) | |
1269 | return; | |
1270 | s = FcStrBufDoneStatic (&parse->pstack->str); | |
1271 | if (!s) | |
1272 | { | |
1273 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1274 | return; | |
1275 | } | |
1276 | end = 0; | |
1277 | d = FcStrtod ((char *) s, (char **)&end); | |
1278 | if (end != s + strlen ((char *) s)) | |
1279 | FcConfigMessage (parse, FcSevereError, "\"%s\": not a valid double", s); | |
1280 | else | |
1281 | FcVStackPushDouble (parse, d); | |
1282 | FcStrBufDestroy (&parse->pstack->str); | |
1283 | } | |
1284 | ||
1285 | static void | |
1286 | FcParseString (FcConfigParse *parse, FcVStackTag tag) | |
1287 | { | |
1288 | FcChar8 *s; | |
1289 | ||
1290 | if (!parse->pstack) | |
1291 | return; | |
1292 | s = FcStrBufDone (&parse->pstack->str); | |
1293 | if (!s) | |
1294 | { | |
1295 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1296 | return; | |
1297 | } | |
1298 | if (!FcVStackPushString (parse, tag, s)) | |
1299 | FcStrFree (s); | |
1300 | } | |
1301 | ||
1302 | static void | |
1303 | FcParseMatrix (FcConfigParse *parse) | |
1304 | { | |
1305 | FcVStack *vstack; | |
1306 | enum { m_done, m_xx, m_xy, m_yx, m_yy } matrix_state = m_yy; | |
1307 | FcMatrix m; | |
1308 | ||
1309 | while ((vstack = FcVStackPeek (parse))) | |
1310 | { | |
1311 | double v; | |
1312 | switch (vstack->tag) { | |
1313 | case FcVStackInteger: | |
1314 | v = vstack->u.integer; | |
1315 | break; | |
1316 | case FcVStackDouble: | |
1317 | v = vstack->u._double; | |
1318 | break; | |
1319 | default: | |
1320 | FcConfigMessage (parse, FcSevereError, "non-double matrix element"); | |
1321 | v = 1.0; | |
1322 | break; | |
1323 | } | |
1324 | switch (matrix_state) { | |
1325 | case m_xx: m.xx = v; break; | |
1326 | case m_xy: m.xy = v; break; | |
1327 | case m_yx: m.yx = v; break; | |
1328 | case m_yy: m.yy = v; break; | |
1329 | default: break; | |
1330 | } | |
1331 | FcVStackPopAndDestroy (parse); | |
1332 | matrix_state--; | |
1333 | } | |
1334 | if (matrix_state != m_done) | |
1335 | FcConfigMessage (parse, FcSevereError, "wrong number of matrix elements"); | |
1336 | else | |
1337 | FcVStackPushMatrix (parse, &m); | |
1338 | } | |
1339 | ||
1340 | static void | |
1341 | FcParseRange (FcConfigParse *parse) | |
1342 | { | |
1343 | FcVStack *vstack; | |
1344 | FcRange r; | |
1345 | FcChar32 n; | |
1346 | int count = 1; | |
1347 | ||
1348 | while ((vstack = FcVStackPeek (parse))) | |
1349 | { | |
1350 | if (count < 0) | |
1351 | { | |
1352 | FcConfigMessage (parse, FcSevereError, "too many elements in range"); | |
1353 | return; | |
1354 | } | |
1355 | switch (vstack->tag) { | |
1356 | case FcVStackInteger: | |
1357 | n = vstack->u.integer; | |
1358 | break; | |
1359 | default: | |
1360 | FcConfigMessage (parse, FcSevereError, "invalid element in range"); | |
1361 | break; | |
1362 | } | |
1363 | if (count == 1) | |
1364 | r.end = n; | |
1365 | else | |
1366 | r.begin = n; | |
1367 | count--; | |
1368 | FcVStackPopAndDestroy (parse); | |
1369 | } | |
1370 | if (count < 0) | |
1371 | { | |
1372 | if (r.begin > r.end) | |
1373 | { | |
1374 | FcConfigMessage (parse, FcSevereError, "invalid range"); | |
1375 | return; | |
1376 | } | |
1377 | FcVStackPushRange (parse, &r); | |
1378 | } | |
1379 | else | |
1380 | FcConfigMessage (parse, FcSevereError, "invalid range"); | |
1381 | } | |
1382 | ||
1383 | static FcBool | |
1384 | FcConfigLexBool (FcConfigParse *parse, const FcChar8 *bool_) | |
1385 | { | |
1386 | FcBool result = FcFalse; | |
1387 | ||
1388 | if (!FcNameBool (bool_, &result)) | |
1389 | FcConfigMessage (parse, FcSevereWarning, "\"%s\" is not known boolean", | |
1390 | bool_); | |
1391 | return result; | |
1392 | } | |
1393 | ||
1394 | static void | |
1395 | FcParseBool (FcConfigParse *parse) | |
1396 | { | |
1397 | FcChar8 *s; | |
1398 | ||
1399 | if (!parse->pstack) | |
1400 | return; | |
1401 | s = FcStrBufDoneStatic (&parse->pstack->str); | |
1402 | if (!s) | |
1403 | { | |
1404 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1405 | return; | |
1406 | } | |
1407 | FcVStackPushBool (parse, FcConfigLexBool (parse, s)); | |
1408 | FcStrBufDestroy (&parse->pstack->str); | |
1409 | } | |
1410 | ||
1411 | static void | |
1412 | FcParseCharSet (FcConfigParse *parse) | |
1413 | { | |
1414 | FcVStack *vstack; | |
1415 | FcCharSet *charset = FcCharSetCreate (); | |
1416 | FcChar32 i; | |
1417 | int n = 0; | |
1418 | ||
1419 | while ((vstack = FcVStackPeek (parse))) | |
1420 | { | |
1421 | switch (vstack->tag) { | |
1422 | case FcVStackInteger: | |
1423 | if (!FcCharSetAddChar (charset, vstack->u.integer)) | |
1424 | { | |
1425 | FcConfigMessage (parse, FcSevereWarning, "invalid character: 0x%04x", vstack->u.integer); | |
1426 | } | |
1427 | else | |
1428 | n++; | |
1429 | break; | |
1430 | case FcVStackRange: | |
1431 | for (i = vstack->u.range.begin; i <= vstack->u.range.end; i++) | |
1432 | { | |
1433 | if (!FcCharSetAddChar (charset, i)) | |
1434 | { | |
1435 | FcConfigMessage (parse, FcSevereWarning, "invalid character: 0x%04x", i); | |
1436 | } | |
1437 | else | |
1438 | n++; | |
1439 | } | |
1440 | break; | |
1441 | default: | |
1442 | FcConfigMessage (parse, FcSevereError, "invalid element in charset"); | |
1443 | break; | |
1444 | } | |
1445 | FcVStackPopAndDestroy (parse); | |
1446 | } | |
1447 | if (n > 0) | |
1448 | FcVStackPushCharSet (parse, charset); | |
1449 | else | |
1450 | FcCharSetDestroy (charset); | |
1451 | } | |
1452 | ||
1453 | static void | |
1454 | FcParseLangSet (FcConfigParse *parse) | |
1455 | { | |
1456 | FcVStack *vstack; | |
1457 | FcLangSet *langset = FcLangSetCreate (); | |
1458 | int n = 0; | |
1459 | ||
1460 | while ((vstack = FcVStackPeek (parse))) | |
1461 | { | |
1462 | switch (vstack->tag) { | |
1463 | case FcVStackString: | |
1464 | if (!FcLangSetAdd (langset, vstack->u.string)) | |
1465 | { | |
1466 | FcConfigMessage (parse, FcSevereWarning, "invalid langset: %s", vstack->u.string); | |
1467 | } | |
1468 | else | |
1469 | n++; | |
1470 | break; | |
1471 | default: | |
1472 | FcConfigMessage (parse, FcSevereError, "invalid element in langset"); | |
1473 | break; | |
1474 | } | |
1475 | FcVStackPopAndDestroy (parse); | |
1476 | } | |
1477 | if (n > 0) | |
1478 | FcVStackPushLangSet (parse, langset); | |
1479 | else | |
1480 | FcLangSetDestroy (langset); | |
1481 | } | |
1482 | ||
1483 | static FcBool | |
1484 | FcConfigLexBinding (FcConfigParse *parse, | |
1485 | const FcChar8 *binding_string, | |
1486 | FcValueBinding *binding_ret) | |
1487 | { | |
1488 | FcValueBinding binding; | |
1489 | ||
1490 | if (!binding_string) | |
1491 | binding = FcValueBindingWeak; | |
1492 | else | |
1493 | { | |
1494 | if (!strcmp ((char *) binding_string, "weak")) | |
1495 | binding = FcValueBindingWeak; | |
1496 | else if (!strcmp ((char *) binding_string, "strong")) | |
1497 | binding = FcValueBindingStrong; | |
1498 | else if (!strcmp ((char *) binding_string, "same")) | |
1499 | binding = FcValueBindingSame; | |
1500 | else | |
1501 | { | |
1502 | FcConfigMessage (parse, FcSevereWarning, "invalid binding \"%s\"", binding_string); | |
1503 | return FcFalse; | |
1504 | } | |
1505 | } | |
1506 | *binding_ret = binding; | |
1507 | return FcTrue; | |
1508 | } | |
1509 | ||
1510 | static void | |
1511 | FcParseFamilies (FcConfigParse *parse, FcVStackTag tag) | |
1512 | { | |
1513 | FcVStack *vstack; | |
1514 | FcExpr *left, *expr = 0, *new; | |
1515 | ||
1516 | while ((vstack = FcVStackPeek (parse))) | |
1517 | { | |
1518 | if (vstack->tag != FcVStackFamily) | |
1519 | { | |
1520 | FcConfigMessage (parse, FcSevereWarning, "non-family"); | |
1521 | FcVStackPopAndDestroy (parse); | |
1522 | continue; | |
1523 | } | |
1524 | left = vstack->u.expr; | |
1525 | vstack->tag = FcVStackNone; | |
1526 | FcVStackPopAndDestroy (parse); | |
1527 | if (expr) | |
1528 | { | |
1529 | new = FcExprCreateOp (parse->config, left, FcOpComma, expr); | |
1530 | if (!new) | |
1531 | { | |
1532 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1533 | FcExprDestroy (left); | |
1534 | FcExprDestroy (expr); | |
1535 | break; | |
1536 | } | |
1537 | expr = new; | |
1538 | } | |
1539 | else | |
1540 | expr = left; | |
1541 | } | |
1542 | if (expr) | |
1543 | { | |
1544 | if (!FcVStackPushExpr (parse, tag, expr)) | |
1545 | { | |
1546 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1547 | FcExprDestroy (expr); | |
1548 | } | |
1549 | } | |
1550 | } | |
1551 | ||
1552 | static void | |
1553 | FcParseFamily (FcConfigParse *parse) | |
1554 | { | |
1555 | FcChar8 *s; | |
1556 | FcExpr *expr; | |
1557 | ||
1558 | if (!parse->pstack) | |
1559 | return; | |
1560 | s = FcStrBufDoneStatic (&parse->pstack->str); | |
1561 | if (!s) | |
1562 | { | |
1563 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1564 | return; | |
1565 | } | |
1566 | expr = FcExprCreateString (parse->config, s); | |
1567 | FcStrBufDestroy (&parse->pstack->str); | |
1568 | if (expr) | |
1569 | FcVStackPushExpr (parse, FcVStackFamily, expr); | |
1570 | } | |
1571 | ||
1572 | static void | |
1573 | FcParseAlias (FcConfigParse *parse) | |
1574 | { | |
1575 | FcExpr *family = 0, *accept = 0, *prefer = 0, *def = 0, *new = 0; | |
1576 | FcEdit *edit = 0, *next; | |
1577 | FcVStack *vstack; | |
1578 | FcTest *test; | |
1579 | FcValueBinding binding; | |
1580 | ||
1581 | if (!FcConfigLexBinding (parse, FcConfigGetAttribute (parse, "binding"), &binding)) | |
1582 | return; | |
1583 | while ((vstack = FcVStackPeek (parse))) | |
1584 | { | |
1585 | switch (vstack->tag) { | |
1586 | case FcVStackFamily: | |
1587 | if (family) | |
1588 | { | |
1589 | new = FcExprCreateOp (parse->config, vstack->u.expr, FcOpComma, family); | |
1590 | if (!new) | |
1591 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1592 | else | |
1593 | family = new; | |
1594 | } | |
1595 | else | |
1596 | new = vstack->u.expr; | |
1597 | if (new) | |
1598 | { | |
1599 | family = new; | |
1600 | vstack->tag = FcVStackNone; | |
1601 | } | |
1602 | break; | |
1603 | case FcVStackPrefer: | |
1604 | if (prefer) | |
1605 | FcExprDestroy (prefer); | |
1606 | prefer = vstack->u.expr; | |
1607 | vstack->tag = FcVStackNone; | |
1608 | break; | |
1609 | case FcVStackAccept: | |
1610 | if (accept) | |
1611 | FcExprDestroy (accept); | |
1612 | accept = vstack->u.expr; | |
1613 | vstack->tag = FcVStackNone; | |
1614 | break; | |
1615 | case FcVStackDefault: | |
1616 | if (def) | |
1617 | FcExprDestroy (def); | |
1618 | def = vstack->u.expr; | |
1619 | vstack->tag = FcVStackNone; | |
1620 | break; | |
1621 | default: | |
1622 | FcConfigMessage (parse, FcSevereWarning, "bad alias"); | |
1623 | break; | |
1624 | } | |
1625 | FcVStackPopAndDestroy (parse); | |
1626 | } | |
1627 | if (!family) | |
1628 | { | |
1629 | FcConfigMessage (parse, FcSevereError, "missing family in alias"); | |
1630 | if (prefer) | |
1631 | FcExprDestroy (prefer); | |
1632 | if (accept) | |
1633 | FcExprDestroy (accept); | |
1634 | if (def) | |
1635 | FcExprDestroy (def); | |
1636 | return; | |
1637 | } | |
1638 | if (prefer) | |
1639 | { | |
1640 | edit = FcEditCreate (parse, | |
1641 | FC_FAMILY_OBJECT, | |
1642 | FcOpPrepend, | |
1643 | prefer, | |
1644 | binding); | |
1645 | if (edit) | |
1646 | edit->next = 0; | |
1647 | else | |
1648 | FcExprDestroy (prefer); | |
1649 | } | |
1650 | if (accept) | |
1651 | { | |
1652 | next = edit; | |
1653 | edit = FcEditCreate (parse, | |
1654 | FC_FAMILY_OBJECT, | |
1655 | FcOpAppend, | |
1656 | accept, | |
1657 | binding); | |
1658 | if (edit) | |
1659 | edit->next = next; | |
1660 | else | |
1661 | FcExprDestroy (accept); | |
1662 | } | |
1663 | if (def) | |
1664 | { | |
1665 | next = edit; | |
1666 | edit = FcEditCreate (parse, | |
1667 | FC_FAMILY_OBJECT, | |
1668 | FcOpAppendLast, | |
1669 | def, | |
1670 | binding); | |
1671 | if (edit) | |
1672 | edit->next = next; | |
1673 | else | |
1674 | FcExprDestroy (def); | |
1675 | } | |
1676 | if (edit) | |
1677 | { | |
1678 | test = FcTestCreate (parse, FcMatchPattern, | |
1679 | FcQualAny, | |
1680 | (FcChar8 *) FC_FAMILY, | |
1681 | FcOpEqual, | |
1682 | family); | |
1683 | if (test) | |
1684 | if (!FcConfigAddEdit (parse->config, test, edit, FcMatchPattern)) | |
1685 | FcTestDestroy (test); | |
1686 | } | |
1687 | else | |
1688 | FcExprDestroy (family); | |
1689 | } | |
1690 | ||
1691 | static FcExpr * | |
1692 | FcPopExpr (FcConfigParse *parse) | |
1693 | { | |
1694 | FcVStack *vstack = FcVStackPeek (parse); | |
1695 | FcExpr *expr = 0; | |
1696 | if (!vstack) | |
1697 | return 0; | |
1698 | switch (vstack->tag) { | |
1699 | case FcVStackNone: | |
1700 | break; | |
1701 | case FcVStackString: | |
1702 | case FcVStackFamily: | |
1703 | expr = FcExprCreateString (parse->config, vstack->u.string); | |
1704 | break; | |
1705 | case FcVStackField: | |
1706 | expr = FcExprCreateField (parse->config, (char *) vstack->u.string); | |
1707 | break; | |
1708 | case FcVStackConstant: | |
1709 | expr = FcExprCreateConst (parse->config, vstack->u.string); | |
1710 | break; | |
1711 | case FcVStackGlob: | |
1712 | /* XXX: What's the correct action here? (CDW) */ | |
1713 | break; | |
1714 | case FcVStackPrefer: | |
1715 | case FcVStackAccept: | |
1716 | case FcVStackDefault: | |
1717 | expr = vstack->u.expr; | |
1718 | vstack->tag = FcVStackNone; | |
1719 | break; | |
1720 | case FcVStackInteger: | |
1721 | expr = FcExprCreateInteger (parse->config, vstack->u.integer); | |
1722 | break; | |
1723 | case FcVStackDouble: | |
1724 | expr = FcExprCreateDouble (parse->config, vstack->u._double); | |
1725 | break; | |
1726 | case FcVStackMatrix: | |
1727 | expr = FcExprCreateMatrix (parse->config, vstack->u.matrix); | |
1728 | break; | |
1729 | case FcVStackRange: | |
1730 | break; | |
1731 | case FcVStackBool: | |
1732 | expr = FcExprCreateBool (parse->config, vstack->u.bool_); | |
1733 | break; | |
1734 | case FcVStackCharSet: | |
1735 | expr = FcExprCreateCharSet (parse->config, vstack->u.charset); | |
1736 | break; | |
1737 | case FcVStackLangSet: | |
1738 | expr = FcExprCreateLangSet (parse->config, vstack->u.langset); | |
1739 | break; | |
1740 | case FcVStackTest: | |
1741 | break; | |
1742 | case FcVStackExpr: | |
1743 | expr = vstack->u.expr; | |
1744 | vstack->tag = FcVStackNone; | |
1745 | break; | |
1746 | case FcVStackEdit: | |
1747 | break; | |
1748 | default: | |
1749 | break; | |
1750 | } | |
1751 | FcVStackPopAndDestroy (parse); | |
1752 | return expr; | |
1753 | } | |
1754 | ||
1755 | /* | |
1756 | * This builds a tree of binary operations. Note | |
1757 | * that every operator is defined so that if only | |
1758 | * a single operand is contained, the value of the | |
1759 | * whole expression is the value of the operand. | |
1760 | * | |
1761 | * This code reduces in that case to returning that | |
1762 | * operand. | |
1763 | */ | |
1764 | static FcExpr * | |
1765 | FcPopBinary (FcConfigParse *parse, FcOp op) | |
1766 | { | |
1767 | FcExpr *left, *expr = 0, *new; | |
1768 | ||
1769 | while ((left = FcPopExpr (parse))) | |
1770 | { | |
1771 | if (expr) | |
1772 | { | |
1773 | new = FcExprCreateOp (parse->config, left, op, expr); | |
1774 | if (!new) | |
1775 | { | |
1776 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1777 | FcExprDestroy (left); | |
1778 | FcExprDestroy (expr); | |
1779 | return 0; | |
1780 | } | |
1781 | expr = new; | |
1782 | } | |
1783 | else | |
1784 | expr = left; | |
1785 | } | |
1786 | return expr; | |
1787 | } | |
1788 | ||
1789 | static void | |
1790 | FcParseBinary (FcConfigParse *parse, FcOp op) | |
1791 | { | |
1792 | FcExpr *expr = FcPopBinary (parse, op); | |
1793 | if (expr) | |
1794 | FcVStackPushExpr (parse, FcVStackExpr, expr); | |
1795 | } | |
1796 | ||
1797 | /* | |
1798 | * This builds a a unary operator, it consumes only | |
1799 | * a single operand | |
1800 | */ | |
1801 | ||
1802 | static FcExpr * | |
1803 | FcPopUnary (FcConfigParse *parse, FcOp op) | |
1804 | { | |
1805 | FcExpr *operand, *new = 0; | |
1806 | ||
1807 | if ((operand = FcPopExpr (parse))) | |
1808 | { | |
1809 | new = FcExprCreateOp (parse->config, operand, op, 0); | |
1810 | if (!new) | |
1811 | { | |
1812 | FcExprDestroy (operand); | |
1813 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1814 | } | |
1815 | } | |
1816 | return new; | |
1817 | } | |
1818 | ||
1819 | static void | |
1820 | FcParseUnary (FcConfigParse *parse, FcOp op) | |
1821 | { | |
1822 | FcExpr *expr = FcPopUnary (parse, op); | |
1823 | if (expr) | |
1824 | FcVStackPushExpr (parse, FcVStackExpr, expr); | |
1825 | } | |
1826 | ||
1827 | static void | |
1828 | FcParseInclude (FcConfigParse *parse) | |
1829 | { | |
1830 | FcChar8 *s; | |
1831 | const FcChar8 *i; | |
1832 | FcBool ignore_missing = FcFalse; | |
1833 | ||
1834 | s = FcStrBufDoneStatic (&parse->pstack->str); | |
1835 | if (!s) | |
1836 | { | |
1837 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1838 | return; | |
1839 | } | |
1840 | i = FcConfigGetAttribute (parse, "ignore_missing"); | |
1841 | if (i && FcConfigLexBool (parse, (FcChar8 *) i) == FcTrue) | |
1842 | ignore_missing = FcTrue; | |
1843 | if (!FcConfigParseAndLoad (parse->config, s, !ignore_missing)) | |
1844 | parse->error = FcTrue; | |
1845 | FcStrBufDestroy (&parse->pstack->str); | |
1846 | } | |
1847 | ||
1848 | typedef struct _FcOpMap { | |
1849 | char name[16]; | |
1850 | FcOp op; | |
1851 | } FcOpMap; | |
1852 | ||
1853 | static FcOp | |
1854 | FcConfigLexOp (const FcChar8 *op, const FcOpMap *map, int nmap) | |
1855 | { | |
1856 | int i; | |
1857 | ||
1858 | for (i = 0; i < nmap; i++) | |
1859 | if (!strcmp ((char *) op, map[i].name)) | |
1860 | return map[i].op; | |
1861 | return FcOpInvalid; | |
1862 | } | |
1863 | ||
1864 | static const FcOpMap fcCompareOps[] = { | |
1865 | { "eq", FcOpEqual }, | |
1866 | { "not_eq", FcOpNotEqual }, | |
1867 | { "less", FcOpLess }, | |
1868 | { "less_eq", FcOpLessEqual }, | |
1869 | { "more", FcOpMore }, | |
1870 | { "more_eq", FcOpMoreEqual }, | |
1871 | { "contains", FcOpContains }, | |
1872 | { "not_contains", FcOpNotContains } | |
1873 | }; | |
1874 | ||
1875 | #define NUM_COMPARE_OPS (int) (sizeof fcCompareOps / sizeof fcCompareOps[0]) | |
1876 | ||
1877 | static FcOp | |
1878 | FcConfigLexCompare (const FcChar8 *compare) | |
1879 | { | |
1880 | return FcConfigLexOp (compare, fcCompareOps, NUM_COMPARE_OPS); | |
1881 | } | |
1882 | ||
1883 | static void | |
1884 | FcParseTest (FcConfigParse *parse) | |
1885 | { | |
1886 | const FcChar8 *kind_string; | |
1887 | FcMatchKind kind; | |
1888 | const FcChar8 *qual_string; | |
1889 | FcQual qual; | |
1890 | const FcChar8 *name; | |
1891 | const FcChar8 *compare_string; | |
1892 | FcOp compare; | |
1893 | FcExpr *expr; | |
1894 | FcTest *test; | |
1895 | ||
1896 | kind_string = FcConfigGetAttribute (parse, "target"); | |
1897 | if (!kind_string) | |
1898 | kind = FcMatchDefault; | |
1899 | else | |
1900 | { | |
1901 | if (!strcmp ((char *) kind_string, "pattern")) | |
1902 | kind = FcMatchPattern; | |
1903 | else if (!strcmp ((char *) kind_string, "font")) | |
1904 | kind = FcMatchFont; | |
1905 | else if (!strcmp ((char *) kind_string, "scan")) | |
1906 | kind = FcMatchScan; | |
1907 | else if (!strcmp ((char *) kind_string, "default")) | |
1908 | kind = FcMatchDefault; | |
1909 | else | |
1910 | { | |
1911 | FcConfigMessage (parse, FcSevereWarning, "invalid test target \"%s\"", kind_string); | |
1912 | return; | |
1913 | } | |
1914 | } | |
1915 | qual_string = FcConfigGetAttribute (parse, "qual"); | |
1916 | if (!qual_string) | |
1917 | qual = FcQualAny; | |
1918 | else | |
1919 | { | |
1920 | if (!strcmp ((char *) qual_string, "any")) | |
1921 | qual = FcQualAny; | |
1922 | else if (!strcmp ((char *) qual_string, "all")) | |
1923 | qual = FcQualAll; | |
1924 | else if (!strcmp ((char *) qual_string, "first")) | |
1925 | qual = FcQualFirst; | |
1926 | else if (!strcmp ((char *) qual_string, "not_first")) | |
1927 | qual = FcQualNotFirst; | |
1928 | else | |
1929 | { | |
1930 | FcConfigMessage (parse, FcSevereWarning, "invalid test qual \"%s\"", qual_string); | |
1931 | return; | |
1932 | } | |
1933 | } | |
1934 | name = FcConfigGetAttribute (parse, "name"); | |
1935 | if (!name) | |
1936 | { | |
1937 | FcConfigMessage (parse, FcSevereWarning, "missing test name"); | |
1938 | return; | |
1939 | } | |
1940 | compare_string = FcConfigGetAttribute (parse, "compare"); | |
1941 | if (!compare_string) | |
1942 | compare = FcOpEqual; | |
1943 | else | |
1944 | { | |
1945 | compare = FcConfigLexCompare (compare_string); | |
1946 | if (compare == FcOpInvalid) | |
1947 | { | |
1948 | FcConfigMessage (parse, FcSevereWarning, "invalid test compare \"%s\"", compare_string); | |
1949 | return; | |
1950 | } | |
1951 | } | |
1952 | expr = FcPopBinary (parse, FcOpComma); | |
1953 | if (!expr) | |
1954 | { | |
1955 | FcConfigMessage (parse, FcSevereWarning, "missing test expression"); | |
1956 | return; | |
1957 | } | |
1958 | test = FcTestCreate (parse, kind, qual, name, compare, expr); | |
1959 | if (!test) | |
1960 | { | |
1961 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
1962 | return; | |
1963 | } | |
1964 | FcVStackPushTest (parse, test); | |
1965 | } | |
1966 | ||
1967 | static const FcOpMap fcModeOps[] = { | |
1968 | { "assign", FcOpAssign }, | |
1969 | { "assign_replace", FcOpAssignReplace }, | |
1970 | { "prepend", FcOpPrepend }, | |
1971 | { "prepend_first", FcOpPrependFirst }, | |
1972 | { "append", FcOpAppend }, | |
1973 | { "append_last", FcOpAppendLast }, | |
1974 | }; | |
1975 | ||
1976 | #define NUM_MODE_OPS (int) (sizeof fcModeOps / sizeof fcModeOps[0]) | |
1977 | ||
1978 | static FcOp | |
1979 | FcConfigLexMode (const FcChar8 *mode) | |
1980 | { | |
1981 | return FcConfigLexOp (mode, fcModeOps, NUM_MODE_OPS); | |
1982 | } | |
1983 | ||
1984 | static void | |
1985 | FcParseEdit (FcConfigParse *parse) | |
1986 | { | |
1987 | const FcChar8 *name; | |
1988 | const FcChar8 *mode_string; | |
1989 | FcOp mode; | |
1990 | FcValueBinding binding; | |
1991 | FcExpr *expr; | |
1992 | FcEdit *edit; | |
1993 | ||
1994 | name = FcConfigGetAttribute (parse, "name"); | |
1995 | if (!name) | |
1996 | { | |
1997 | FcConfigMessage (parse, FcSevereWarning, "missing edit name"); | |
1998 | return; | |
1999 | } | |
2000 | mode_string = FcConfigGetAttribute (parse, "mode"); | |
2001 | if (!mode_string) | |
2002 | mode = FcOpAssign; | |
2003 | else | |
2004 | { | |
2005 | mode = FcConfigLexMode (mode_string); | |
2006 | if (mode == FcOpInvalid) | |
2007 | { | |
2008 | FcConfigMessage (parse, FcSevereWarning, "invalid edit mode \"%s\"", mode_string); | |
2009 | return; | |
2010 | } | |
2011 | } | |
2012 | if (!FcConfigLexBinding (parse, FcConfigGetAttribute (parse, "binding"), &binding)) | |
2013 | return; | |
2014 | ||
2015 | expr = FcPopBinary (parse, FcOpComma); | |
2016 | edit = FcEditCreate (parse, FcObjectFromName ((char *) name), | |
2017 | mode, expr, binding); | |
2018 | if (!edit) | |
2019 | { | |
2020 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2021 | FcExprDestroy (expr); | |
2022 | return; | |
2023 | } | |
2024 | if (!FcVStackPushEdit (parse, edit)) | |
2025 | FcEditDestroy (edit); | |
2026 | } | |
2027 | ||
2028 | static void | |
2029 | FcParseMatch (FcConfigParse *parse) | |
2030 | { | |
2031 | const FcChar8 *kind_name; | |
2032 | FcMatchKind kind; | |
2033 | FcTest *test = 0; | |
2034 | FcEdit *edit = 0; | |
2035 | FcVStack *vstack; | |
2036 | ||
2037 | kind_name = FcConfigGetAttribute (parse, "target"); | |
2038 | if (!kind_name) | |
2039 | kind = FcMatchPattern; | |
2040 | else | |
2041 | { | |
2042 | if (!strcmp ((char *) kind_name, "pattern")) | |
2043 | kind = FcMatchPattern; | |
2044 | else if (!strcmp ((char *) kind_name, "font")) | |
2045 | kind = FcMatchFont; | |
2046 | else if (!strcmp ((char *) kind_name, "scan")) | |
2047 | kind = FcMatchScan; | |
2048 | else | |
2049 | { | |
2050 | FcConfigMessage (parse, FcSevereWarning, "invalid match target \"%s\"", kind_name); | |
2051 | return; | |
2052 | } | |
2053 | } | |
2054 | while ((vstack = FcVStackPeek (parse))) | |
2055 | { | |
2056 | switch (vstack->tag) { | |
2057 | case FcVStackTest: | |
2058 | vstack->u.test->next = test; | |
2059 | test = vstack->u.test; | |
2060 | vstack->tag = FcVStackNone; | |
2061 | break; | |
2062 | case FcVStackEdit: | |
2063 | vstack->u.edit->next = edit; | |
2064 | edit = vstack->u.edit; | |
2065 | vstack->tag = FcVStackNone; | |
2066 | if (kind == FcMatchScan && edit->object > FC_MAX_BASE_OBJECT) | |
2067 | { | |
2068 | FcConfigMessage (parse, FcSevereError, | |
2069 | "<match target=\"scan\"> cannot edit user-defined object \"%s\"", | |
2070 | FcObjectName(edit->object)); | |
2071 | } | |
2072 | break; | |
2073 | default: | |
2074 | FcConfigMessage (parse, FcSevereWarning, "invalid match element"); | |
2075 | break; | |
2076 | } | |
2077 | FcVStackPopAndDestroy (parse); | |
2078 | } | |
2079 | if (!FcConfigAddEdit (parse->config, test, edit, kind)) | |
2080 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2081 | } | |
2082 | ||
2083 | static void | |
2084 | FcParseAcceptRejectFont (FcConfigParse *parse, FcElement element) | |
2085 | { | |
2086 | FcVStack *vstack; | |
2087 | ||
2088 | while ((vstack = FcVStackPeek (parse))) | |
2089 | { | |
2090 | switch (vstack->tag) { | |
2091 | case FcVStackGlob: | |
2092 | if (!FcConfigGlobAdd (parse->config, | |
2093 | vstack->u.string, | |
2094 | element == FcElementAcceptfont)) | |
2095 | { | |
2096 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2097 | } | |
2098 | break; | |
2099 | case FcVStackPattern: | |
2100 | if (!FcConfigPatternsAdd (parse->config, | |
2101 | vstack->u.pattern, | |
2102 | element == FcElementAcceptfont)) | |
2103 | { | |
2104 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2105 | } | |
2106 | else | |
2107 | vstack->tag = FcVStackNone; | |
2108 | break; | |
2109 | default: | |
2110 | FcConfigMessage (parse, FcSevereWarning, "bad font selector"); | |
2111 | break; | |
2112 | } | |
2113 | FcVStackPopAndDestroy (parse); | |
2114 | } | |
2115 | } | |
2116 | ||
2117 | ||
2118 | static FcValue | |
2119 | FcPopValue (FcConfigParse *parse) | |
2120 | { | |
2121 | FcVStack *vstack = FcVStackPeek (parse); | |
2122 | FcValue value; | |
2123 | ||
2124 | value.type = FcTypeVoid; | |
2125 | ||
2126 | if (!vstack) | |
2127 | return value; | |
2128 | ||
2129 | switch (vstack->tag) { | |
2130 | case FcVStackString: | |
2131 | value.u.s = FcStrStaticName (vstack->u.string); | |
2132 | if (value.u.s) | |
2133 | value.type = FcTypeString; | |
2134 | break; | |
2135 | case FcVStackConstant: | |
2136 | if (FcNameConstant (vstack->u.string, &value.u.i)) | |
2137 | value.type = FcTypeInteger; | |
2138 | break; | |
2139 | case FcVStackInteger: | |
2140 | value.u.i = vstack->u.integer; | |
2141 | value.type = FcTypeInteger; | |
2142 | break; | |
2143 | case FcVStackDouble: | |
2144 | value.u.d = vstack->u._double; | |
2145 | value.type = FcTypeInteger; | |
2146 | break; | |
2147 | case FcVStackMatrix: | |
2148 | value.u.m = FcMatrixCopy (vstack->u.matrix); | |
2149 | if (value.u.m) | |
2150 | value.type = FcTypeMatrix; | |
2151 | break; | |
2152 | case FcVStackBool: | |
2153 | value.u.b = vstack->u.bool_; | |
2154 | value.type = FcTypeBool; | |
2155 | break; | |
2156 | case FcVStackCharSet: | |
2157 | value.u.c = FcCharSetCopy (vstack->u.charset); | |
2158 | if (value.u.c) | |
2159 | value.type = FcTypeCharSet; | |
2160 | break; | |
2161 | case FcVStackLangSet: | |
2162 | value.u.l = FcLangSetCopy (vstack->u.langset); | |
2163 | if (value.u.l) | |
2164 | value.type = FcTypeLangSet; | |
2165 | break; | |
2166 | default: | |
2167 | FcConfigMessage (parse, FcSevereWarning, "unknown pattern element %d", | |
2168 | vstack->tag); | |
2169 | break; | |
2170 | } | |
2171 | FcVStackPopAndDestroy (parse); | |
2172 | ||
2173 | return value; | |
2174 | } | |
2175 | ||
2176 | static void | |
2177 | FcParsePatelt (FcConfigParse *parse) | |
2178 | { | |
2179 | FcValue value; | |
2180 | FcPattern *pattern = FcPatternCreate (); | |
2181 | const char *name; | |
2182 | ||
2183 | if (!pattern) | |
2184 | { | |
2185 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2186 | return; | |
2187 | } | |
2188 | ||
2189 | name = (char *) FcConfigGetAttribute (parse, "name"); | |
2190 | if (!name) | |
2191 | { | |
2192 | FcConfigMessage (parse, FcSevereWarning, "missing pattern element name"); | |
2193 | FcPatternDestroy (pattern); | |
2194 | return; | |
2195 | } | |
2196 | ||
2197 | for (;;) | |
2198 | { | |
2199 | value = FcPopValue (parse); | |
2200 | if (value.type == FcTypeVoid) | |
2201 | break; | |
2202 | if (!FcPatternAdd (pattern, name, value, FcTrue)) | |
2203 | { | |
2204 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2205 | FcValueDestroy(value); | |
2206 | break; | |
2207 | } | |
2208 | FcValueDestroy(value); | |
2209 | } | |
2210 | ||
2211 | FcVStackPushPattern (parse, pattern); | |
2212 | } | |
2213 | ||
2214 | static void | |
2215 | FcParsePattern (FcConfigParse *parse) | |
2216 | { | |
2217 | FcVStack *vstack; | |
2218 | FcPattern *pattern = FcPatternCreate (); | |
2219 | ||
2220 | if (!pattern) | |
2221 | { | |
2222 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2223 | return; | |
2224 | } | |
2225 | ||
2226 | while ((vstack = FcVStackPeek (parse))) | |
2227 | { | |
2228 | switch (vstack->tag) { | |
2229 | case FcVStackPattern: | |
2230 | if (!FcPatternAppend (pattern, vstack->u.pattern)) | |
2231 | { | |
2232 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2233 | FcPatternDestroy (pattern); | |
2234 | return; | |
2235 | } | |
2236 | break; | |
2237 | default: | |
2238 | FcConfigMessage (parse, FcSevereWarning, "unknown pattern element"); | |
2239 | break; | |
2240 | } | |
2241 | FcVStackPopAndDestroy (parse); | |
2242 | } | |
2243 | ||
2244 | FcVStackPushPattern (parse, pattern); | |
2245 | } | |
2246 | ||
2247 | static void | |
2248 | FcEndElement(void *userData, const XML_Char *name) | |
2249 | { | |
2250 | FcConfigParse *parse = userData; | |
2251 | FcChar8 *data; | |
2252 | #ifdef _WIN32 | |
2253 | FcChar8 buffer[1000]; | |
2254 | #endif | |
2255 | ||
2256 | if (!parse->pstack) | |
2257 | return; | |
2258 | switch (parse->pstack->element) { | |
2259 | case FcElementNone: | |
2260 | break; | |
2261 | case FcElementFontconfig: | |
2262 | break; | |
2263 | case FcElementDir: | |
2264 | data = FcStrBufDoneStatic (&parse->pstack->str); | |
2265 | if (!data) | |
2266 | { | |
2267 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2268 | break; | |
2269 | } | |
2270 | #ifdef _WIN32 | |
2271 | if (strcmp (data, "CUSTOMFONTDIR") == 0) | |
2272 | { | |
2273 | char *p; | |
2274 | data = buffer; | |
2275 | if (!GetModuleFileName (NULL, buffer, sizeof (buffer) - 20)) | |
2276 | { | |
2277 | FcConfigMessage (parse, FcSevereError, "GetModuleFileName failed"); | |
2278 | break; | |
2279 | } | |
2280 | /* | |
2281 | * Must use the multi-byte aware function to search | |
2282 | * for backslash because East Asian double-byte code | |
2283 | * pages have characters with backslash as the second | |
2284 | * byte. | |
2285 | */ | |
2286 | p = _mbsrchr (data, '\\'); | |
2287 | if (p) *p = '\0'; | |
2288 | strcat (data, "\\fonts"); | |
2289 | } | |
2290 | else if (strcmp (data, "APPSHAREFONTDIR") == 0) | |
2291 | { | |
2292 | char *p; | |
2293 | data = buffer; | |
2294 | if (!GetModuleFileName (NULL, buffer, sizeof (buffer) - 20)) | |
2295 | { | |
2296 | FcConfigMessage (parse, FcSevereError, "GetModuleFileName failed"); | |
2297 | break; | |
2298 | } | |
2299 | p = _mbsrchr (data, '\\'); | |
2300 | if (p) *p = '\0'; | |
2301 | strcat (data, "\\..\\share\\fonts"); | |
2302 | } | |
2303 | else if (strcmp (data, "WINDOWSFONTDIR") == 0) | |
2304 | { | |
2305 | int rc; | |
2306 | data = buffer; | |
2307 | #if _WIN32_WINNT >= 0x0500 | |
2308 | rc = GetSystemWindowsDirectory (buffer, sizeof (buffer) - 20); | |
2309 | #else | |
2310 | rc = GetWindowsDirectory (buffer, sizeof (buffer) - 20); | |
2311 | #endif | |
2312 | if (rc == 0 || rc > sizeof (buffer) - 20) | |
2313 | { | |
2314 | FcConfigMessage (parse, FcSevereError, "GetSystemWindowsDirectory failed"); | |
2315 | break; | |
2316 | } | |
2317 | if (data [strlen (data) - 1] != '\\') | |
2318 | strcat (data, "\\"); | |
2319 | strcat (data, "fonts"); | |
2320 | } | |
2321 | #endif | |
2322 | if (strlen ((char *) data) == 0) | |
2323 | FcConfigMessage (parse, FcSevereWarning, "empty font directory name ignored"); | |
2324 | else if (!FcStrUsesHome (data) || FcConfigHome ()) | |
2325 | { | |
2326 | if (!FcConfigAddDir (parse->config, data)) | |
2327 | FcConfigMessage (parse, FcSevereError, "out of memory; cannot add directory %s", data); | |
2328 | } | |
2329 | FcStrBufDestroy (&parse->pstack->str); | |
2330 | break; | |
2331 | case FcElementCacheDir: | |
2332 | data = FcStrBufDone (&parse->pstack->str); | |
2333 | if (!data) | |
2334 | { | |
2335 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2336 | break; | |
2337 | } | |
2338 | #ifdef _WIN32 | |
2339 | if (strcmp (data, "WINDOWSTEMPDIR_FONTCONFIG_CACHE") == 0) | |
2340 | { | |
2341 | int rc; | |
2342 | FcStrFree (data); | |
2343 | data = malloc (1000); | |
2344 | if (!data) | |
2345 | { | |
2346 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2347 | break; | |
2348 | } | |
2349 | FcMemAlloc (FC_MEM_STRING, 1000); | |
2350 | rc = GetTempPath (800, data); | |
2351 | if (rc == 0 || rc > 800) | |
2352 | { | |
2353 | FcConfigMessage (parse, FcSevereError, "GetTempPath failed"); | |
2354 | FcStrFree (data); | |
2355 | break; | |
2356 | } | |
2357 | if (data [strlen (data) - 1] != '\\') | |
2358 | strcat (data, "\\"); | |
2359 | strcat (data, "fontconfig\\cache"); | |
2360 | } | |
2361 | #endif | |
2362 | if (!FcStrUsesHome (data) || FcConfigHome ()) | |
2363 | { | |
2364 | if (!FcConfigAddCacheDir (parse->config, data)) | |
2365 | FcConfigMessage (parse, FcSevereError, "out of memory; cannot add cache directory %s", data); | |
2366 | } | |
2367 | FcStrFree (data); | |
2368 | break; | |
2369 | ||
2370 | case FcElementCache: | |
2371 | data = FcStrBufDoneStatic (&parse->pstack->str); | |
2372 | if (!data) | |
2373 | { | |
2374 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2375 | break; | |
2376 | } | |
2377 | /* discard this data; no longer used */ | |
2378 | FcStrBufDestroy (&parse->pstack->str); | |
2379 | break; | |
2380 | case FcElementInclude: | |
2381 | FcParseInclude (parse); | |
2382 | break; | |
2383 | case FcElementConfig: | |
2384 | break; | |
2385 | case FcElementMatch: | |
2386 | FcParseMatch (parse); | |
2387 | break; | |
2388 | case FcElementAlias: | |
2389 | FcParseAlias (parse); | |
2390 | break; | |
2391 | ||
2392 | case FcElementBlank: | |
2393 | FcParseBlank (parse); | |
2394 | break; | |
2395 | case FcElementRescan: | |
2396 | FcParseRescan (parse); | |
2397 | break; | |
2398 | ||
2399 | case FcElementPrefer: | |
2400 | FcParseFamilies (parse, FcVStackPrefer); | |
2401 | break; | |
2402 | case FcElementAccept: | |
2403 | FcParseFamilies (parse, FcVStackAccept); | |
2404 | break; | |
2405 | case FcElementDefault: | |
2406 | FcParseFamilies (parse, FcVStackDefault); | |
2407 | break; | |
2408 | case FcElementFamily: | |
2409 | FcParseFamily (parse); | |
2410 | break; | |
2411 | ||
2412 | case FcElementTest: | |
2413 | FcParseTest (parse); | |
2414 | break; | |
2415 | case FcElementEdit: | |
2416 | FcParseEdit (parse); | |
2417 | break; | |
2418 | ||
2419 | case FcElementInt: | |
2420 | FcParseInt (parse); | |
2421 | break; | |
2422 | case FcElementDouble: | |
2423 | FcParseDouble (parse); | |
2424 | break; | |
2425 | case FcElementString: | |
2426 | FcParseString (parse, FcVStackString); | |
2427 | break; | |
2428 | case FcElementMatrix: | |
2429 | FcParseMatrix (parse); | |
2430 | break; | |
2431 | case FcElementRange: | |
2432 | FcParseRange (parse); | |
2433 | break; | |
2434 | case FcElementBool: | |
2435 | FcParseBool (parse); | |
2436 | break; | |
2437 | case FcElementCharSet: | |
2438 | FcParseCharSet (parse); | |
2439 | break; | |
2440 | case FcElementLangSet: | |
2441 | FcParseLangSet (parse); | |
2442 | break; | |
2443 | case FcElementSelectfont: | |
2444 | break; | |
2445 | case FcElementAcceptfont: | |
2446 | case FcElementRejectfont: | |
2447 | FcParseAcceptRejectFont (parse, parse->pstack->element); | |
2448 | break; | |
2449 | case FcElementGlob: | |
2450 | FcParseString (parse, FcVStackGlob); | |
2451 | break; | |
2452 | case FcElementPattern: | |
2453 | FcParsePattern (parse); | |
2454 | break; | |
2455 | case FcElementPatelt: | |
2456 | FcParsePatelt (parse); | |
2457 | break; | |
2458 | case FcElementName: | |
2459 | FcParseString (parse, FcVStackField); | |
2460 | break; | |
2461 | case FcElementConst: | |
2462 | FcParseString (parse, FcVStackConstant); | |
2463 | break; | |
2464 | case FcElementOr: | |
2465 | FcParseBinary (parse, FcOpOr); | |
2466 | break; | |
2467 | case FcElementAnd: | |
2468 | FcParseBinary (parse, FcOpAnd); | |
2469 | break; | |
2470 | case FcElementEq: | |
2471 | FcParseBinary (parse, FcOpEqual); | |
2472 | break; | |
2473 | case FcElementNotEq: | |
2474 | FcParseBinary (parse, FcOpNotEqual); | |
2475 | break; | |
2476 | case FcElementLess: | |
2477 | FcParseBinary (parse, FcOpLess); | |
2478 | break; | |
2479 | case FcElementLessEq: | |
2480 | FcParseBinary (parse, FcOpLessEqual); | |
2481 | break; | |
2482 | case FcElementMore: | |
2483 | FcParseBinary (parse, FcOpMore); | |
2484 | break; | |
2485 | case FcElementMoreEq: | |
2486 | FcParseBinary (parse, FcOpMoreEqual); | |
2487 | break; | |
2488 | case FcElementContains: | |
2489 | FcParseBinary (parse, FcOpContains); | |
2490 | break; | |
2491 | case FcElementNotContains: | |
2492 | FcParseBinary (parse, FcOpNotContains); | |
2493 | break; | |
2494 | case FcElementPlus: | |
2495 | FcParseBinary (parse, FcOpPlus); | |
2496 | break; | |
2497 | case FcElementMinus: | |
2498 | FcParseBinary (parse, FcOpMinus); | |
2499 | break; | |
2500 | case FcElementTimes: | |
2501 | FcParseBinary (parse, FcOpTimes); | |
2502 | break; | |
2503 | case FcElementDivide: | |
2504 | FcParseBinary (parse, FcOpDivide); | |
2505 | break; | |
2506 | case FcElementNot: | |
2507 | FcParseUnary (parse, FcOpNot); | |
2508 | break; | |
2509 | case FcElementIf: | |
2510 | FcParseBinary (parse, FcOpQuest); | |
2511 | break; | |
2512 | case FcElementFloor: | |
2513 | FcParseUnary (parse, FcOpFloor); | |
2514 | break; | |
2515 | case FcElementCeil: | |
2516 | FcParseUnary (parse, FcOpCeil); | |
2517 | break; | |
2518 | case FcElementRound: | |
2519 | FcParseUnary (parse, FcOpRound); | |
2520 | break; | |
2521 | case FcElementTrunc: | |
2522 | FcParseUnary (parse, FcOpTrunc); | |
2523 | break; | |
2524 | case FcElementUnknown: | |
2525 | break; | |
2526 | } | |
2527 | (void) FcPStackPop (parse); | |
2528 | } | |
2529 | ||
2530 | static void | |
2531 | FcCharacterData (void *userData, const XML_Char *s, int len) | |
2532 | { | |
2533 | FcConfigParse *parse = userData; | |
2534 | ||
2535 | if (!parse->pstack) | |
2536 | return; | |
2537 | if (!FcStrBufData (&parse->pstack->str, (FcChar8 *) s, len)) | |
2538 | FcConfigMessage (parse, FcSevereError, "out of memory"); | |
2539 | } | |
2540 | ||
2541 | static void | |
2542 | FcStartDoctypeDecl (void *userData, | |
2543 | const XML_Char *doctypeName, | |
2544 | const XML_Char *sysid, | |
2545 | const XML_Char *pubid, | |
2546 | int has_internal_subset) | |
2547 | { | |
2548 | FcConfigParse *parse = userData; | |
2549 | ||
2550 | if (strcmp ((char *) doctypeName, "fontconfig") != 0) | |
2551 | FcConfigMessage (parse, FcSevereError, "invalid doctype \"%s\"", doctypeName); | |
2552 | } | |
2553 | ||
2554 | #ifdef ENABLE_LIBXML2 | |
2555 | ||
2556 | static void | |
2557 | FcInternalSubsetDecl (void *userData, | |
2558 | const XML_Char *doctypeName, | |
2559 | const XML_Char *sysid, | |
2560 | const XML_Char *pubid) | |
2561 | { | |
2562 | FcStartDoctypeDecl (userData, doctypeName, sysid, pubid, 1); | |
2563 | } | |
2564 | ||
2565 | static void | |
2566 | FcExternalSubsetDecl (void *userData, | |
2567 | const XML_Char *doctypeName, | |
2568 | const XML_Char *sysid, | |
2569 | const XML_Char *pubid) | |
2570 | { | |
2571 | FcStartDoctypeDecl (userData, doctypeName, sysid, pubid, 0); | |
2572 | } | |
2573 | ||
2574 | #else /* ENABLE_LIBXML2 */ | |
2575 | ||
2576 | static void | |
2577 | FcEndDoctypeDecl (void *userData) | |
2578 | { | |
2579 | } | |
2580 | ||
2581 | #endif /* ENABLE_LIBXML2 */ | |
2582 | ||
2583 | static int | |
2584 | FcSortCmpStr (const void *a, const void *b) | |
2585 | { | |
2586 | const FcChar8 *as = *((FcChar8 **) a); | |
2587 | const FcChar8 *bs = *((FcChar8 **) b); | |
2588 | return FcStrCmp (as, bs); | |
2589 | } | |
2590 | ||
2591 | static FcBool | |
2592 | FcConfigParseAndLoadDir (FcConfig *config, | |
2593 | const FcChar8 *name, | |
2594 | const FcChar8 *dir, | |
2595 | FcBool complain) | |
2596 | { | |
2597 | DIR *d; | |
2598 | struct dirent *e; | |
2599 | FcBool ret = FcTrue; | |
2600 | FcChar8 *file; | |
2601 | FcChar8 *base; | |
2602 | FcStrSet *files; | |
2603 | ||
2604 | d = opendir ((char *) dir); | |
2605 | if (!d) | |
2606 | { | |
2607 | if (complain) | |
2608 | FcConfigMessage (0, FcSevereError, "Cannot open config dir \"%s\"", | |
2609 | name); | |
2610 | ret = FcFalse; | |
2611 | goto bail0; | |
2612 | } | |
2613 | /* freed below */ | |
2614 | file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1); | |
2615 | if (!file) | |
2616 | { | |
2617 | ret = FcFalse; | |
2618 | goto bail1; | |
2619 | } | |
2620 | ||
2621 | strcpy ((char *) file, (char *) dir); | |
2622 | strcat ((char *) file, "/"); | |
2623 | base = file + strlen ((char *) file); | |
2624 | ||
2625 | files = FcStrSetCreate (); | |
2626 | if (!files) | |
2627 | { | |
2628 | ret = FcFalse; | |
2629 | goto bail2; | |
2630 | } | |
2631 | ||
2632 | if (FcDebug () & FC_DBG_CONFIG) | |
2633 | printf ("\tScanning config dir %s\n", dir); | |
2634 | ||
2635 | while (ret && (e = readdir (d))) | |
2636 | { | |
2637 | int d_len; | |
2638 | #define TAIL ".conf" | |
2639 | #define TAIL_LEN 5 | |
2640 | /* | |
2641 | * Add all files of the form [0-9]*.conf | |
2642 | */ | |
2643 | if ('0' <= e->d_name[0] && e->d_name[0] <= '9' && | |
2644 | (d_len = strlen (e->d_name)) < FC_MAX_FILE_LEN && | |
2645 | d_len > TAIL_LEN && | |
2646 | strcmp (e->d_name + d_len - TAIL_LEN, TAIL) == 0) | |
2647 | { | |
2648 | strcpy ((char *) base, (char *) e->d_name); | |
2649 | if (!FcStrSetAdd (files, file)) | |
2650 | { | |
2651 | ret = FcFalse; | |
2652 | goto bail3; | |
2653 | } | |
2654 | } | |
2655 | } | |
2656 | if (ret) | |
2657 | { | |
2658 | int i; | |
2659 | qsort (files->strs, files->num, sizeof (FcChar8 *), | |
2660 | (int (*)(const void *, const void *)) FcSortCmpStr); | |
2661 | for (i = 0; ret && i < files->num; i++) | |
2662 | ret = FcConfigParseAndLoad (config, files->strs[i], complain); | |
2663 | } | |
2664 | bail3: | |
2665 | FcStrSetDestroy (files); | |
2666 | bail2: | |
2667 | free (file); | |
2668 | bail1: | |
2669 | closedir (d); | |
2670 | bail0: | |
2671 | return ret || !complain; | |
2672 | } | |
2673 | ||
2674 | FcBool | |
2675 | FcConfigParseAndLoad (FcConfig *config, | |
2676 | const FcChar8 *name, | |
2677 | FcBool complain) | |
2678 | { | |
2679 | ||
2680 | XML_Parser p; | |
2681 | FcChar8 *filename; | |
2682 | int fd; | |
2683 | int len; | |
2684 | FcConfigParse parse; | |
2685 | FcBool error = FcTrue; | |
2686 | ||
2687 | #ifdef ENABLE_LIBXML2 | |
2688 | xmlSAXHandler sax; | |
2689 | char buf[BUFSIZ]; | |
2690 | #else | |
2691 | void *buf; | |
2692 | #endif | |
2693 | ||
2694 | filename = FcConfigFilename (name); | |
2695 | if (!filename) | |
2696 | goto bail0; | |
2697 | ||
2698 | if (FcStrSetMember (config->configFiles, filename)) | |
2699 | { | |
2700 | FcStrFree (filename); | |
2701 | return FcTrue; | |
2702 | } | |
2703 | ||
2704 | if (!FcStrSetAdd (config->configFiles, filename)) | |
2705 | { | |
2706 | FcStrFree (filename); | |
2707 | goto bail0; | |
2708 | } | |
2709 | ||
2710 | if (FcFileIsDir (filename)) | |
2711 | { | |
2712 | FcBool ret = FcConfigParseAndLoadDir (config, name, filename, complain); | |
2713 | FcStrFree (filename); | |
2714 | return ret; | |
2715 | } | |
2716 | ||
2717 | if (FcDebug () & FC_DBG_CONFIG) | |
2718 | printf ("\tLoading config file %s\n", filename); | |
2719 | ||
2720 | fd = open ((char *) filename, O_RDONLY); | |
2721 | if (fd == -1) { | |
2722 | FcStrFree (filename); | |
2723 | goto bail0; | |
2724 | } | |
2725 | ||
2726 | #ifdef ENABLE_LIBXML2 | |
2727 | memset(&sax, 0, sizeof(sax)); | |
2728 | ||
2729 | sax.internalSubset = FcInternalSubsetDecl; | |
2730 | sax.externalSubset = FcExternalSubsetDecl; | |
2731 | sax.startElement = FcStartElement; | |
2732 | sax.endElement = FcEndElement; | |
2733 | sax.characters = FcCharacterData; | |
2734 | ||
2735 | p = xmlCreatePushParserCtxt (&sax, &parse, NULL, 0, (const char *) filename); | |
2736 | #else | |
2737 | p = XML_ParserCreate ("UTF-8"); | |
2738 | #endif | |
2739 | FcStrFree (filename); | |
2740 | ||
2741 | if (!p) | |
2742 | goto bail1; | |
2743 | ||
2744 | if (!FcConfigInit (&parse, name, config, p)) | |
2745 | goto bail2; | |
2746 | ||
2747 | #ifndef ENABLE_LIBXML2 | |
2748 | ||
2749 | XML_SetUserData (p, &parse); | |
2750 | ||
2751 | XML_SetDoctypeDeclHandler (p, FcStartDoctypeDecl, FcEndDoctypeDecl); | |
2752 | XML_SetElementHandler (p, FcStartElement, FcEndElement); | |
2753 | XML_SetCharacterDataHandler (p, FcCharacterData); | |
2754 | ||
2755 | #endif /* ENABLE_LIBXML2 */ | |
2756 | ||
2757 | do { | |
2758 | #ifndef ENABLE_LIBXML2 | |
2759 | buf = XML_GetBuffer (p, BUFSIZ); | |
2760 | if (!buf) | |
2761 | { | |
2762 | FcConfigMessage (&parse, FcSevereError, "cannot get parse buffer"); | |
2763 | goto bail3; | |
2764 | } | |
2765 | #endif | |
2766 | len = read (fd, buf, BUFSIZ); | |
2767 | if (len < 0) | |
2768 | { | |
2769 | FcConfigMessage (&parse, FcSevereError, "failed reading config file"); | |
2770 | goto bail3; | |
2771 | } | |
2772 | ||
2773 | #ifdef ENABLE_LIBXML2 | |
2774 | if (xmlParseChunk (p, buf, len, len == 0)) | |
2775 | #else | |
2776 | if (!XML_ParseBuffer (p, len, len == 0)) | |
2777 | #endif | |
2778 | { | |
2779 | FcConfigMessage (&parse, FcSevereError, "%s", | |
2780 | XML_ErrorString (XML_GetErrorCode (p))); | |
2781 | goto bail3; | |
2782 | } | |
2783 | } while (len != 0); | |
2784 | error = parse.error; | |
2785 | bail3: | |
2786 | FcConfigCleanup (&parse); | |
2787 | bail2: | |
2788 | XML_ParserFree (p); | |
2789 | bail1: | |
2790 | close (fd); | |
2791 | fd = -1; | |
2792 | bail0: | |
2793 | if (error && complain) | |
2794 | { | |
2795 | if (name) | |
2796 | FcConfigMessage (0, FcSevereError, "Cannot load config file \"%s\"", name); | |
2797 | else | |
2798 | FcConfigMessage (0, FcSevereError, "Cannot load default config file"); | |
2799 | return FcFalse; | |
2800 | } | |
2801 | return FcTrue; | |
2802 | } | |
2803 | #define __fcxml__ | |
2804 | #include "fcaliastail.h" | |
2805 | #undef __fcxml__ |